diff --git a/docs/tutorials/new-feature-tutorial.md b/docs/tutorials/new-feature-tutorial.md
index 20f2aea0ea..3665f51eb9 100644
--- a/docs/tutorials/new-feature-tutorial.md
+++ b/docs/tutorials/new-feature-tutorial.md
@@ -546,7 +546,7 @@ Then add the new form control in `web/src/admin.js`.
  export function build_page() {
      const options = {
          custom_profile_field_types: page_params.custom_profile_field_types,
-         full_name: page_params.full_name,
+         full_name: current_user.full_name,
          realm_name: page_params.realm_name,
          // ...
 +        realm_mandatory_topics: page_params.realm_mandatory_topics,
diff --git a/tools/test-js-with-node b/tools/test-js-with-node
index e702a6a1be..f7348bc37f 100755
--- a/tools/test-js-with-node
+++ b/tools/test-js-with-node
@@ -224,6 +224,7 @@ EXEMPT_FILES = make_set(
         "web/src/spectators.ts",
         "web/src/spoilers.ts",
         "web/src/starred_messages_ui.js",
+        "web/src/state_data.ts",
         "web/src/stream_color.ts",
         "web/src/stream_color_events.js",
         "web/src/stream_create.js",
diff --git a/web/src/admin.js b/web/src/admin.js
index 9689f18073..b42cc55c60 100644
--- a/web/src/admin.js
+++ b/web/src/admin.js
@@ -20,6 +20,7 @@ import * as settings_panel_menu from "./settings_panel_menu";
 import * as settings_sections from "./settings_sections";
 import * as settings_toggle from "./settings_toggle";
 import * as settings_users from "./settings_users";
+import {current_user} from "./state_data";
 
 const admin_settings_label = {
     // Organization profile
@@ -70,10 +71,10 @@ const admin_settings_label = {
 };
 
 function insert_tip_box() {
-    if (page_params.is_admin) {
+    if (current_user.is_admin) {
         return;
     }
-    const tip_box = render_settings_organization_settings_tip({is_admin: page_params.is_admin});
+    const tip_box = render_settings_organization_settings_tip({is_admin: current_user.is_admin});
     $(".organization-box")
         .find(".settings-section")
         .not("#emoji-settings")
@@ -102,7 +103,7 @@ function get_realm_level_notification_settings(options) {
 export function build_page() {
     const options = {
         custom_profile_field_types: page_params.custom_profile_field_types,
-        full_name: page_params.full_name,
+        full_name: current_user.full_name,
         realm_name: page_params.realm_name,
         realm_org_type: page_params.realm_org_type,
         realm_available_video_chat_providers: page_params.realm_available_video_chat_providers,
@@ -138,9 +139,9 @@ export function build_page() {
         realm_waiting_period_threshold: page_params.realm_waiting_period_threshold,
         realm_notifications_stream_id: page_params.realm_notifications_stream_id,
         realm_signup_notifications_stream_id: page_params.realm_signup_notifications_stream_id,
-        is_admin: page_params.is_admin,
-        is_guest: page_params.is_guest,
-        is_owner: page_params.is_owner,
+        is_admin: current_user.is_admin,
+        is_guest: current_user.is_guest,
+        is_owner: current_user.is_owner,
         user_can_change_logo: settings_data.user_can_change_logo(),
         realm_icon_source: page_params.realm_icon_source,
         realm_icon_url: page_params.realm_icon_url,
@@ -244,7 +245,7 @@ export function build_page() {
     settings_invites.update_invite_user_panel();
     insert_tip_box();
 
-    if (page_params.demo_organization_scheduled_deletion_date && page_params.is_admin) {
+    if (page_params.demo_organization_scheduled_deletion_date && current_user.is_admin) {
         demo_organizations_ui.insert_demo_organization_warning();
         demo_organizations_ui.handle_demo_organization_conversion();
     }
@@ -255,7 +256,7 @@ export function build_page() {
 
     const is_plan_plus = page_params.realm_plan_type === 10;
     const is_plan_self_hosted = page_params.realm_plan_type === 1;
-    if (page_params.is_admin && !(is_plan_plus || is_plan_self_hosted)) {
+    if (current_user.is_admin && !(is_plan_plus || is_plan_self_hosted)) {
         $("#realm_can_access_all_users_group_widget").prop("disabled", true);
         const opts = {
             content: $t({
diff --git a/web/src/avatar.ts b/web/src/avatar.ts
index 57d94c4dee..32252a0070 100644
--- a/web/src/avatar.ts
+++ b/web/src/avatar.ts
@@ -7,6 +7,7 @@ import * as confirm_dialog from "./confirm_dialog";
 import {$t_html} from "./i18n";
 import {page_params} from "./page_params";
 import * as settings_data from "./settings_data";
+import {current_user} from "./state_data";
 import * as upload_widget from "./upload_widget";
 import type {UploadFunction, UploadWidget} from "./upload_widget";
 
@@ -75,7 +76,7 @@ export function build_user_avatar_widget(upload_function: UploadFunction): void
         return $<HTMLInputElement>("#user-avatar-upload-widget input.image_file_input").expectOne();
     };
 
-    if (page_params.avatar_source === "G") {
+    if (current_user.avatar_source === "G") {
         $("#user-avatar-upload-widget .image-delete-button").hide();
         $("#user-avatar-source").show();
     } else {
diff --git a/web/src/compose.js b/web/src/compose.js
index 17295cc63a..fbbe9c872a 100644
--- a/web/src/compose.js
+++ b/web/src/compose.js
@@ -20,12 +20,12 @@ import * as loading from "./loading";
 import * as markdown from "./markdown";
 import * as message_events from "./message_events";
 import * as onboarding_steps from "./onboarding_steps";
-import {page_params} from "./page_params";
 import * as people from "./people";
 import * as rendered_markdown from "./rendered_markdown";
 import * as scheduled_messages from "./scheduled_messages";
 import * as sent_messages from "./sent_messages";
 import * as server_events from "./server_events";
+import {current_user} from "./state_data";
 import * as transmit from "./transmit";
 import {user_settings} from "./user_settings";
 import * as util from "./util";
@@ -89,7 +89,7 @@ export function create_message_object() {
     const message = {
         type: compose_state.get_message_type(),
         content: compose_state.message_content(),
-        sender_id: page_params.user_id,
+        sender_id: current_user.user_id,
         queue_id: server_events.queue_id,
         stream_id: undefined,
     };
@@ -332,7 +332,7 @@ export function render_and_show_preview($preview_spinner, $preview_content_box,
             // Handle previews of /me messages
             rendered_preview_html =
                 "<p><strong>" +
-                _.escape(page_params.full_name) +
+                _.escape(current_user.full_name) +
                 "</strong>" +
                 rendered_content.slice("<p>/me".length);
         } else {
diff --git a/web/src/compose_call_ui.js b/web/src/compose_call_ui.js
index 6474d10d35..30598bb3cf 100644
--- a/web/src/compose_call_ui.js
+++ b/web/src/compose_call_ui.js
@@ -7,6 +7,7 @@ import * as compose_ui from "./compose_ui";
 import {$t, $t_html} from "./i18n";
 import {page_params} from "./page_params";
 import * as rows from "./rows";
+import {current_user} from "./state_data";
 import * as ui_report from "./ui_report";
 import * as util from "./util";
 
@@ -79,7 +80,7 @@ export function generate_and_insert_audio_or_video_call_link($target_element, is
                             xhr.responseJSON &&
                             xhr.responseJSON.code === "INVALID_ZOOM_TOKEN"
                         ) {
-                            page_params.has_zoom_token = false;
+                            current_user.has_zoom_token = false;
                         }
                         if (status !== "abort") {
                             ui_report.generic_embed_error(
@@ -91,7 +92,7 @@ export function generate_and_insert_audio_or_video_call_link($target_element, is
             );
         };
 
-        if (page_params.has_zoom_token) {
+        if (current_user.has_zoom_token) {
             make_zoom_call();
         } else {
             compose_call.zoom_token_callbacks.set(key, make_zoom_call);
diff --git a/web/src/compose_validate.js b/web/src/compose_validate.js
index 6a107228e0..d6c77dcefe 100644
--- a/web/src/compose_validate.js
+++ b/web/src/compose_validate.js
@@ -23,6 +23,7 @@ import * as reactions from "./reactions";
 import * as recent_senders from "./recent_senders";
 import * as settings_config from "./settings_config";
 import * as settings_data from "./settings_data";
+import {current_user} from "./state_data";
 import * as stream_data from "./stream_data";
 import * as sub_store from "./sub_store";
 import * as util from "./util";
@@ -481,31 +482,31 @@ function wildcard_mention_policy_authorizes_user() {
         page_params.realm_wildcard_mention_policy ===
         settings_config.wildcard_mention_policy_values.by_admins_only.code
     ) {
-        return page_params.is_admin;
+        return current_user.is_admin;
     }
 
     if (
         page_params.realm_wildcard_mention_policy ===
         settings_config.wildcard_mention_policy_values.by_moderators_only.code
     ) {
-        return page_params.is_admin || page_params.is_moderator;
+        return current_user.is_admin || current_user.is_moderator;
     }
 
     if (
         page_params.realm_wildcard_mention_policy ===
         settings_config.wildcard_mention_policy_values.by_full_members.code
     ) {
-        if (page_params.is_admin) {
+        if (current_user.is_admin) {
             return true;
         }
-        const person = people.get_by_user_id(page_params.user_id);
+        const person = people.get_by_user_id(current_user.user_id);
         const current_datetime = new Date(Date.now());
         const person_date_joined = new Date(person.date_joined);
         const days = (current_datetime - person_date_joined) / 1000 / 86400;
 
-        return days >= page_params.realm_waiting_period_threshold && !page_params.is_guest;
+        return days >= page_params.realm_waiting_period_threshold && !current_user.is_guest;
     }
-    return !page_params.is_guest;
+    return !current_user.is_guest;
 }
 
 export function stream_wildcard_mention_allowed() {
diff --git a/web/src/demo_organizations_ui.js b/web/src/demo_organizations_ui.js
index aa7537fcb5..9809f493c4 100644
--- a/web/src/demo_organizations_ui.js
+++ b/web/src/demo_organizations_ui.js
@@ -12,12 +12,13 @@ import {page_params} from "./page_params";
 import * as settings_config from "./settings_config";
 import * as settings_data from "./settings_data";
 import * as settings_org from "./settings_org";
+import {current_user} from "./state_data";
 
 export function insert_demo_organization_warning() {
     const days_remaining = get_demo_organization_deadline_days_remaining();
     const rendered_demo_organization_warning = render_demo_organization_warning({
         is_demo_organization: page_params.demo_organization_scheduled_deletion_date,
-        is_owner: page_params.is_owner,
+        is_owner: current_user.is_owner,
         days_remaining,
     });
     $(".organization-box").find(".settings-section").prepend(rendered_demo_organization_warning);
@@ -25,7 +26,7 @@ export function insert_demo_organization_warning() {
 
 export function handle_demo_organization_conversion() {
     $(".convert-demo-organization-button").on("click", () => {
-        if (!page_params.is_owner) {
+        if (!current_user.is_owner) {
             return;
         }
 
diff --git a/web/src/echo.js b/web/src/echo.js
index 74f746a761..b2adf848f1 100644
--- a/web/src/echo.js
+++ b/web/src/echo.js
@@ -12,12 +12,12 @@ import * as message_lists from "./message_lists";
 import * as message_live_update from "./message_live_update";
 import * as message_store from "./message_store";
 import * as narrow_state from "./narrow_state";
-import {page_params} from "./page_params";
 import * as people from "./people";
 import * as pm_list from "./pm_list";
 import * as recent_view_data from "./recent_view_data";
 import * as rows from "./rows";
 import * as sent_messages from "./sent_messages";
+import {current_user} from "./state_data";
 import * as stream_data from "./stream_data";
 import * as stream_list from "./stream_list";
 import * as stream_topic_history from "./stream_topic_history";
@@ -185,7 +185,7 @@ export function insert_local_message(message_request, local_id_float, insert_new
     message.content_type = "text/html";
     message.sender_email = people.my_current_email();
     message.sender_full_name = people.my_full_name();
-    message.avatar_url = page_params.avatar_url;
+    message.avatar_url = current_user.avatar_url;
     message.timestamp = Date.now() / 1000;
     message.local_id = local_id_float.toString();
     message.locally_echoed = true;
diff --git a/web/src/hashchange.js b/web/src/hashchange.js
index fb314f8a90..eba34a67a4 100644
--- a/web/src/hashchange.js
+++ b/web/src/hashchange.js
@@ -27,6 +27,7 @@ import * as settings_panel_menu from "./settings_panel_menu";
 import * as settings_toggle from "./settings_toggle";
 import * as sidebar_ui from "./sidebar_ui";
 import * as spectators from "./spectators";
+import {current_user} from "./state_data";
 import * as stream_settings_ui from "./stream_settings_ui";
 import * as ui_report from "./ui_report";
 import * as user_group_edit from "./user_group_edit";
@@ -213,7 +214,7 @@ function do_hashchange_overlay(old_hash) {
     const old_base = hash_parser.get_hash_category(old_hash);
     let section = hash_parser.get_current_hash_section();
 
-    if (base === "groups" && page_params.is_guest) {
+    if (base === "groups" && current_user.is_guest) {
         // The #groups settings page is unfinished, and disabled in production.
         show_home_view();
         return;
diff --git a/web/src/hotspots.js b/web/src/hotspots.js
index 537cb9427b..4bff781079 100644
--- a/web/src/hotspots.js
+++ b/web/src/hotspots.js
@@ -9,7 +9,7 @@ import * as blueslip from "./blueslip";
 import * as message_viewport from "./message_viewport";
 import * as onboarding_steps from "./onboarding_steps";
 import * as overlays from "./overlays";
-import {page_params} from "./page_params";
+import {current_user} from "./state_data";
 
 // popover orientations
 const TOP = "top";
@@ -336,7 +336,7 @@ export function load_new(new_hotspots) {
 }
 
 export function initialize() {
-    load_new(onboarding_steps.filter_new_hotspots(page_params.onboarding_steps));
+    load_new(onboarding_steps.filter_new_hotspots(current_user.onboarding_steps));
 
     // open
     $("body").on("click", ".hotspot-icon", function (e) {
diff --git a/web/src/invite.ts b/web/src/invite.ts
index 7d37200630..a348919191 100644
--- a/web/src/invite.ts
+++ b/web/src/invite.ts
@@ -21,6 +21,7 @@ import {page_params} from "./page_params";
 import * as scroll_util from "./scroll_util";
 import * as settings_config from "./settings_config";
 import * as settings_data from "./settings_data";
+import {current_user} from "./state_data";
 import * as stream_data from "./stream_data";
 import * as timerender from "./timerender";
 import * as ui_report from "./ui_report";
@@ -161,10 +162,10 @@ function submit_invitation_form(): void {
                 const error_response = render_invitation_failed_error({
                     error_message: response_body.msg,
                     error_list,
-                    is_admin: page_params.is_admin,
+                    is_admin: current_user.is_admin,
                     is_invitee_deactivated,
                     license_limit_reached: response_body.license_limit_reached,
-                    has_billing_access: page_params.is_owner || page_params.is_billing_admin,
+                    has_billing_access: current_user.is_owner || current_user.is_billing_admin,
                     daily_limit_reached: response_body.daily_limit_reached,
                 });
                 ui_report.message(error_response, $invite_status, "alert-warning");
@@ -310,8 +311,8 @@ function open_invite_user_modal(e: JQuery.ClickEvent<Document, undefined>): void
 
     const time_unit_choices = ["minutes", "hours", "days", "weeks"];
     const html_body = render_invite_user_modal({
-        is_admin: page_params.is_admin,
-        is_owner: page_params.is_owner,
+        is_admin: current_user.is_admin,
+        is_owner: current_user.is_owner,
         development_environment: page_params.development_environment,
         invite_as_options: settings_config.user_role_values,
         expires_in_options: settings_config.expires_in_values,
diff --git a/web/src/message_edit.js b/web/src/message_edit.js
index d2de43e260..55559312a4 100644
--- a/web/src/message_edit.js
+++ b/web/src/message_edit.js
@@ -37,6 +37,7 @@ import * as people from "./people";
 import * as resize from "./resize";
 import * as rows from "./rows";
 import * as settings_data from "./settings_data";
+import {current_user} from "./state_data";
 import * as stream_data from "./stream_data";
 import * as timerender from "./timerender";
 import * as ui_report from "./ui_report";
@@ -70,7 +71,7 @@ export function is_topic_editable(message, edit_limit_seconds_buffer = 0) {
     // Organization admins and moderators can edit message topics indefinitely,
     // irrespective of the topic editing deadline, if edit_topic_policy allows
     // them to do so.
-    if (page_params.is_admin || page_params.is_moderator) {
+    if (current_user.is_admin || current_user.is_moderator) {
         return true;
     }
 
@@ -167,7 +168,7 @@ export function is_message_sent_by_my_bot(message) {
 }
 
 export function get_deletability(message) {
-    if (page_params.is_admin) {
+    if (current_user.is_admin) {
         return true;
     }
 
@@ -212,7 +213,7 @@ export function is_stream_editable(message, edit_limit_seconds_buffer = 0) {
     // Organization admins and moderators can edit stream indefinitely,
     // irrespective of the stream editing deadline, if
     // move_messages_between_streams_policy allows them to do so.
-    if (page_params.is_admin || page_params.is_moderator) {
+    if (current_user.is_admin || current_user.is_moderator) {
         return true;
     }
 
diff --git a/web/src/message_list_data.ts b/web/src/message_list_data.ts
index 3239b25bda..025497647c 100644
--- a/web/src/message_list_data.ts
+++ b/web/src/message_list_data.ts
@@ -3,7 +3,7 @@ import {FetchStatus} from "./fetch_status";
 import type {Filter} from "./filter";
 import type {Message} from "./message_store";
 import * as muted_users from "./muted_users";
-import {page_params} from "./page_params";
+import {current_user} from "./state_data";
 import * as unread from "./unread";
 import * as user_topics from "./user_topics";
 import * as util from "./util";
@@ -605,7 +605,9 @@ export class MessageListData {
     }
 
     get_last_message_sent_by_me(): Message | undefined {
-        const msg_index = this._items.findLastIndex((msg) => msg.sender_id === page_params.user_id);
+        const msg_index = this._items.findLastIndex(
+            (msg) => msg.sender_id === current_user.user_id,
+        );
         if (msg_index === -1) {
             return undefined;
         }
diff --git a/web/src/navbar_alerts.js b/web/src/navbar_alerts.js
index e541d29c16..1d8019f283 100644
--- a/web/src/navbar_alerts.js
+++ b/web/src/navbar_alerts.js
@@ -14,6 +14,7 @@ import * as desktop_notifications from "./desktop_notifications";
 import * as keydown_util from "./keydown_util";
 import {localstorage} from "./localstorage";
 import {page_params} from "./page_params";
+import {current_user} from "./state_data";
 import {should_display_profile_incomplete_alert} from "./timerender";
 import * as unread from "./unread";
 import * as unread_ops from "./unread_ops";
@@ -77,7 +78,7 @@ export function dismiss_upgrade_nag(ls) {
 }
 
 export function check_profile_incomplete() {
-    if (!page_params.is_admin) {
+    if (!current_user.is_admin) {
         return false;
     }
     if (!should_display_profile_incomplete_alert(page_params.realm_date_created)) {
@@ -141,7 +142,7 @@ export function initialize() {
                 rendered_alert_content_html: render_server_needs_upgrade_alert_content(),
             });
         }
-    } else if (page_params.warn_no_email === true && page_params.is_admin) {
+    } else if (page_params.warn_no_email === true && current_user.is_admin) {
         // if email has not been set up and the user is the admin,
         // display a warning to tell them to set up an email server.
         open({
diff --git a/web/src/onboarding_steps.js b/web/src/onboarding_steps.js
index 3d2f1b9095..2ffd3e53ca 100644
--- a/web/src/onboarding_steps.js
+++ b/web/src/onboarding_steps.js
@@ -1,6 +1,6 @@
 import * as blueslip from "./blueslip";
 import * as channel from "./channel";
-import {page_params} from "./page_params";
+import {current_user} from "./state_data";
 
 export const ONE_TIME_NOTICES_TO_DISPLAY = new Set();
 
@@ -35,5 +35,5 @@ export function update_notice_to_display(onboarding_steps) {
 }
 
 export function initialize() {
-    update_notice_to_display(page_params.onboarding_steps);
+    update_notice_to_display(current_user.onboarding_steps);
 }
diff --git a/web/src/page_params.ts b/web/src/page_params.ts
index 5d4d6e9c04..9004d48eb6 100644
--- a/web/src/page_params.ts
+++ b/web/src/page_params.ts
@@ -6,7 +6,6 @@ import type {GroupPermissionSetting} from "./types";
 const t1 = performance.now();
 export const page_params: {
     apps_page_url: string;
-    avatar_source: string;
     bot_types: {
         type_id: number;
         name: string;
@@ -56,14 +55,8 @@ export const page_params: {
             name: string;
         };
     };
-    delivery_email: string;
     development_environment: boolean;
     furthest_read_time: number | null;
-    is_admin: boolean;
-    is_billing_admin: boolean;
-    is_guest: boolean;
-    is_moderator: boolean;
-    is_owner: boolean;
     is_spectator: boolean;
     language_list: {
         code: string;
@@ -150,7 +143,6 @@ export const page_params: {
     sponsorship_pending: boolean;
     stop_words: string[];
     translation_data: Record<string, string>;
-    user_id: number;
     zulip_merge_base: string;
     zulip_plan_is_not_limited: boolean;
     zulip_version: string;
diff --git a/web/src/people.ts b/web/src/people.ts
index b63999de37..fbe53079fb 100644
--- a/web/src/people.ts
+++ b/web/src/people.ts
@@ -13,6 +13,7 @@ import {page_params} from "./page_params";
 import * as reload_state from "./reload_state";
 import * as settings_config from "./settings_config";
 import * as settings_data from "./settings_data";
+import {current_user} from "./state_data";
 import * as timerender from "./timerender";
 import {user_settings} from "./user_settings";
 import * as util from "./util";
@@ -190,7 +191,7 @@ export function get_bot_owner_user(user: User & {is_bot: true}): User | undefine
 
 export function can_admin_user(user: User): boolean {
     return (
-        (user.is_bot && user.bot_owner_id !== null && user.bot_owner_id === page_params.user_id) ||
+        (user.is_bot && user.bot_owner_id !== null && user.bot_owner_id === current_user.user_id) ||
         is_my_user_id(user.user_id)
     );
 }
@@ -978,7 +979,7 @@ export function is_active_user_for_popover(user_id: number): boolean {
 }
 
 export function is_current_user_only_owner(): boolean {
-    if (!page_params.is_owner) {
+    if (!current_user.is_owner) {
         return false;
     }
 
diff --git a/web/src/personal_menu_popover.js b/web/src/personal_menu_popover.js
index b38d41b34a..f31b81eb23 100644
--- a/web/src/personal_menu_popover.js
+++ b/web/src/personal_menu_popover.js
@@ -4,11 +4,11 @@ import tippy from "tippy.js";
 import render_personal_menu from "../templates/personal_menu.hbs";
 
 import * as narrow from "./narrow";
-import {page_params} from "./page_params";
 import * as people from "./people";
 import * as popover_menus from "./popover_menus";
 import * as popover_menus_data from "./popover_menus_data";
 import * as popovers from "./popovers";
+import {current_user} from "./state_data";
 import {parse_html} from "./ui_util";
 import * as user_profile from "./user_profile";
 import * as user_status from "./user_status";
@@ -47,7 +47,7 @@ export function initialize() {
 
             $popper.one("click", ".personal-menu-clear-status", (e) => {
                 e.preventDefault();
-                const me = page_params.user_id;
+                const me = current_user.user_id;
                 user_status.server_update_status({
                     user_id: me,
                     status_text: "",
@@ -68,7 +68,7 @@ export function initialize() {
             });
 
             $popper.one("click", ".narrow-self-direct-message", (e) => {
-                const user_id = page_params.user_id;
+                const user_id = current_user.user_id;
                 const email = people.get_by_user_id(user_id).email;
                 narrow.by("dm", email, {trigger: "personal menu"});
                 popovers.hide_all();
@@ -76,7 +76,7 @@ export function initialize() {
             });
 
             $popper.one("click", ".narrow-messages-sent", (e) => {
-                const user_id = page_params.user_id;
+                const user_id = current_user.user_id;
                 const email = people.get_by_user_id(user_id).email;
                 narrow.by("sender", email, {trigger: "personal menu"});
                 popovers.hide_all();
diff --git a/web/src/popover_menus_data.js b/web/src/popover_menus_data.js
index 3d6286ce49..e6fd15b102 100644
--- a/web/src/popover_menus_data.js
+++ b/web/src/popover_menus_data.js
@@ -14,6 +14,7 @@ import {page_params} from "./page_params";
 import * as people from "./people";
 import * as settings_data from "./settings_data";
 import * as starred_messages from "./starred_messages";
+import {current_user} from "./state_data";
 import * as stream_data from "./stream_data";
 import * as sub_store from "./sub_store";
 import {num_unread_for_topic} from "./unread";
@@ -132,7 +133,7 @@ export function get_topic_popover_content_context({stream_id, topic_name, url})
         topic_unmuted,
         can_move_topic,
         can_rename_topic,
-        is_realm_admin: page_params.is_admin,
+        is_realm_admin: current_user.is_admin,
         topic_is_resolved: resolved_topic.is_resolved(topic_name),
         has_starred_messages,
         has_unread_messages,
@@ -158,22 +159,22 @@ export function get_change_visibility_policy_popover_content_context(stream_id,
 }
 
 export function get_personal_menu_content_context() {
-    const my_user_id = page_params.user_id;
+    const my_user_id = current_user.user_id;
     const invisible_mode = !user_settings.presence_enabled;
     const status_text = user_status.get_status_text(my_user_id);
     const status_emoji_info = user_status.get_status_emoji(my_user_id);
     return {
         user_id: my_user_id,
         invisible_mode,
-        user_is_guest: page_params.is_guest,
+        user_is_guest: current_user.is_guest,
         spectator_view: page_params.is_spectator,
 
         // user information
-        user_avatar: page_params.avatar_url_medium,
+        user_avatar: current_user.avatar_url_medium,
         is_active: people.is_active_user_for_popover(my_user_id),
         user_circle_class: buddy_data.get_user_circle_class(my_user_id),
         user_last_seen_time_status: buddy_data.user_last_seen_time_status(my_user_id),
-        user_full_name: page_params.full_name,
+        user_full_name: current_user.full_name,
         user_type: people.get_user_type(my_user_id),
 
         // user status
@@ -186,15 +187,15 @@ export function get_personal_menu_content_context() {
 }
 
 export function get_gear_menu_content_context() {
-    const user_has_billing_access = page_params.is_billing_admin || page_params.is_owner;
+    const user_has_billing_access = current_user.is_billing_admin || current_user.is_owner;
     const is_plan_standard = page_params.realm_plan_type === 3;
     const is_plan_plus = page_params.realm_plan_type === 10;
     const is_org_on_paid_plan = is_plan_standard || is_plan_plus;
     return {
         realm_name: page_params.realm_name,
         realm_url: new URL(page_params.realm_uri).hostname,
-        is_owner: page_params.is_owner,
-        is_admin: page_params.is_admin,
+        is_owner: current_user.is_owner,
+        is_admin: current_user.is_admin,
         is_spectator: page_params.is_spectator,
         is_self_hosted: page_params.realm_plan_type === 1,
         is_development_environment: page_params.development_environment,
@@ -211,7 +212,7 @@ export function get_gear_menu_content_context() {
         apps_page_url: page_params.apps_page_url,
         can_create_multiuse_invite: settings_data.user_can_create_multiuse_invite(),
         can_invite_users_by_email: settings_data.user_can_invite_users_by_email(),
-        is_guest: page_params.is_guest,
+        is_guest: current_user.is_guest,
         login_link: page_params.development_environment ? "/devlogin/" : "/login/",
         promote_sponsoring_zulip: page_params.promote_sponsoring_zulip,
         show_billing: page_params.show_billing,
diff --git a/web/src/reactions.js b/web/src/reactions.js
index 5baa60adb8..5042198e08 100644
--- a/web/src/reactions.js
+++ b/web/src/reactions.js
@@ -11,6 +11,7 @@ import * as message_store from "./message_store";
 import {page_params} from "./page_params";
 import * as people from "./people";
 import * as spectators from "./spectators";
+import {current_user} from "./state_data";
 import {user_settings} from "./user_settings";
 
 const waiting_for_server_request_ids = new Set();
@@ -23,7 +24,7 @@ export function current_user_has_reacted_to_emoji(message, local_id) {
     set_clean_reactions(message);
 
     const clean_reaction_object = message.clean_reactions.get(local_id);
-    return clean_reaction_object && clean_reaction_object.user_ids.includes(page_params.user_id);
+    return clean_reaction_object && clean_reaction_object.user_ids.includes(current_user.user_id);
 }
 
 function get_message(message_id) {
@@ -40,7 +41,7 @@ function get_message(message_id) {
 function create_reaction(message_id, rendering_details) {
     return {
         message_id,
-        user_id: page_params.user_id,
+        user_id: current_user.user_id,
         local_id: get_local_reaction_id(rendering_details),
         reaction_type: rendering_details.reaction_type,
         emoji_name: rendering_details.emoji_name,
@@ -143,7 +144,7 @@ export function process_reaction_click(message_id, local_id) {
 
 function generate_title(emoji_name, user_ids) {
     const usernames = people.get_display_full_names(
-        user_ids.filter((user_id) => user_id !== page_params.user_id),
+        user_ids.filter((user_id) => user_id !== current_user.user_id),
     );
     const current_user_reacted = user_ids.length !== usernames.length;
 
@@ -278,7 +279,7 @@ export function update_existing_reaction(clean_reaction_object, message, acting_
     );
     $reaction.attr("aria-label", new_label);
 
-    if (acting_user_id === page_params.user_id) {
+    if (acting_user_id === current_user.user_id) {
         $reaction.addClass("reacted");
     }
 
@@ -308,7 +309,7 @@ export function insert_new_reaction(clean_reaction_object, message, user_id) {
         context.reaction_type === "realm_emoji" || context.reaction_type === "zulip_extra_emoji";
     context.vote_text = ""; // Updated below
 
-    if (user_id === page_params.user_id) {
+    if (user_id === current_user.user_id) {
         context.class = "message_reaction reacted";
     } else {
         context.class = "message_reaction";
@@ -380,7 +381,7 @@ export function remove_reaction_from_view(clean_reaction_object, message, user_i
         clean_reaction_object.user_ids,
     );
     $reaction.attr("aria-label", new_label);
-    if (user_id === page_params.user_id) {
+    if (user_id === current_user.user_id) {
         $reaction.removeClass("reacted");
     }
 
@@ -388,7 +389,7 @@ export function remove_reaction_from_view(clean_reaction_object, message, user_i
 }
 
 export function get_emojis_used_by_user_for_message_id(message_id) {
-    const user_id = page_params.user_id;
+    const user_id = current_user.user_id;
     const message = message_store.get(message_id);
     set_clean_reactions(message);
 
@@ -509,7 +510,7 @@ export function update_user_fields(clean_reaction_object, should_display_reactor
         clean_reaction_object.emoji_name,
         clean_reaction_object.user_ids,
     );
-    if (clean_reaction_object.user_ids.includes(page_params.user_id)) {
+    if (clean_reaction_object.user_ids.includes(current_user.user_id)) {
         clean_reaction_object.class = "message_reaction reacted";
     } else {
         clean_reaction_object.class = "message_reaction";
@@ -549,10 +550,10 @@ function check_should_display_reactors(cleaned_reactions) {
 
 function comma_separated_usernames(user_list) {
     const usernames = people.get_display_full_names(user_list);
-    const current_user_has_reacted = user_list.includes(page_params.user_id);
+    const current_user_has_reacted = user_list.includes(current_user.user_id);
 
     if (current_user_has_reacted) {
-        const current_user_index = user_list.indexOf(page_params.user_id);
+        const current_user_index = user_list.indexOf(current_user.user_id);
         usernames[current_user_index] = $t({
             defaultMessage: "You",
         });
diff --git a/web/src/realm_icon.ts b/web/src/realm_icon.ts
index c7b5fd25f3..3c5e0e2bd6 100644
--- a/web/src/realm_icon.ts
+++ b/web/src/realm_icon.ts
@@ -2,6 +2,7 @@ import $ from "jquery";
 
 import * as channel from "./channel";
 import {page_params} from "./page_params";
+import {current_user} from "./state_data";
 import * as upload_widget from "./upload_widget";
 import type {UploadFunction} from "./upload_widget";
 
@@ -10,7 +11,7 @@ export function build_realm_icon_widget(upload_function: UploadFunction): void {
         return $<HTMLInputElement>("#realm-icon-upload-widget .image_file_input").expectOne();
     };
 
-    if (!page_params.is_admin) {
+    if (!current_user.is_admin) {
         return;
     }
     if (page_params.realm_icon_source === "G") {
diff --git a/web/src/realm_logo.ts b/web/src/realm_logo.ts
index d957ddb56d..556d694ae5 100644
--- a/web/src/realm_logo.ts
+++ b/web/src/realm_logo.ts
@@ -3,6 +3,7 @@ import $ from "jquery";
 import * as channel from "./channel";
 import {page_params} from "./page_params";
 import * as settings_data from "./settings_data";
+import {current_user} from "./state_data";
 import * as ui_util from "./ui_util";
 import * as upload_widget from "./upload_widget";
 import type {UploadFunction} from "./upload_widget";
@@ -25,7 +26,7 @@ export function build_realm_logo_widget(upload_function: UploadFunction, is_nigh
         return $file_input_elem.expectOne();
     };
 
-    if (!page_params.is_admin) {
+    if (!current_user.is_admin) {
         return;
     }
 
diff --git a/web/src/sentry.ts b/web/src/sentry.ts
index 79d91b80c9..fd4a87ed2c 100644
--- a/web/src/sentry.ts
+++ b/web/src/sentry.ts
@@ -2,6 +2,7 @@ import * as Sentry from "@sentry/browser";
 import _ from "lodash";
 
 import {page_params} from "./page_params";
+import {current_user} from "./state_data";
 
 type UserInfo = {
     id?: string;
@@ -51,21 +52,21 @@ if (page_params.server_sentry_dsn) {
         realm: sentry_key,
     };
     if (sentry_key !== "www") {
-        user_info.role = page_params.is_owner
+        user_info.role = current_user.is_owner
             ? "Organization owner"
-            : page_params.is_admin
+            : current_user.is_admin
               ? "Organization administrator"
-              : page_params.is_moderator
+              : current_user.is_moderator
                 ? "Moderator"
-                : page_params.is_guest
+                : current_user.is_guest
                   ? "Guest"
                   : page_params.is_spectator
                     ? "Spectator"
-                    : page_params.user_id
+                    : current_user.user_id
                       ? "Member"
                       : "Logged out";
-        if (page_params.user_id) {
-            user_info.id = page_params.user_id.toString();
+        if (current_user.user_id) {
+            user_info.id = current_user.user_id.toString();
         }
     }
 
diff --git a/web/src/server_events_dispatch.js b/web/src/server_events_dispatch.js
index 4ab03a8a95..b8c9651a3b 100644
--- a/web/src/server_events_dispatch.js
+++ b/web/src/server_events_dispatch.js
@@ -67,6 +67,7 @@ import * as settings_users from "./settings_users";
 import * as sidebar_ui from "./sidebar_ui";
 import * as starred_messages from "./starred_messages";
 import * as starred_messages_ui from "./starred_messages_ui";
+import {current_user} from "./state_data";
 import * as stream_data from "./stream_data";
 import * as stream_events from "./stream_events";
 import * as stream_list from "./stream_list";
@@ -134,7 +135,7 @@ export function dispatch_normal_event(event) {
         }
 
         case "has_zoom_token":
-            page_params.has_zoom_token = event.value;
+            current_user.has_zoom_token = event.value;
             if (event.value) {
                 for (const callback of compose_call.zoom_token_callbacks.values()) {
                     callback();
@@ -146,8 +147,8 @@ export function dispatch_normal_event(event) {
         case "onboarding_steps":
             hotspots.load_new(onboarding_steps.filter_new_hotspots(event.onboarding_steps));
             onboarding_steps.update_notice_to_display(event.onboarding_steps);
-            page_params.onboarding_steps = page_params.onboarding_steps
-                ? [...page_params.onboarding_steps, ...event.onboarding_steps]
+            current_user.onboarding_steps = current_user.onboarding_steps
+                ? [...current_user.onboarding_steps, ...event.onboarding_steps]
                 : event.onboarding_steps;
             break;
 
@@ -346,7 +347,7 @@ export function dispatch_normal_event(event) {
                     window.location.href = "/accounts/deactivated/";
                     break;
             }
-            if (page_params.is_admin) {
+            if (current_user.is_admin) {
                 // Update the UI notice about the user's profile being
                 // incomplete, as we might have filled in the missing field(s).
                 navbar_alerts.show_profile_incomplete(navbar_alerts.check_profile_incomplete());
@@ -639,7 +640,7 @@ export function dispatch_normal_event(event) {
             }
             break;
         case "typing":
-            if (event.sender.user_id === page_params.user_id) {
+            if (event.sender.user_id === current_user.user_id) {
                 // typing notifications are sent to the user who is typing
                 // as well as recipients; we ignore such self-generated events.
                 return;
@@ -817,7 +818,7 @@ export function dispatch_normal_event(event) {
             if (event.property === "presence_enabled") {
                 user_settings.presence_enabled = event.value;
                 $("#user_presence_enabled").prop("checked", user_settings.presence_enabled);
-                activity_ui.redraw_user(page_params.user_id);
+                activity_ui.redraw_user(current_user.user_id);
                 break;
             }
             if (event.property === "email_address_visibility") {
diff --git a/web/src/settings.js b/web/src/settings.js
index 6bcec7fbea..ecbcb7f10c 100644
--- a/web/src/settings.js
+++ b/web/src/settings.js
@@ -19,6 +19,7 @@ import * as settings_panel_menu from "./settings_panel_menu";
 import * as settings_preferences from "./settings_preferences";
 import * as settings_sections from "./settings_sections";
 import * as settings_toggle from "./settings_toggle";
+import {current_user} from "./state_data";
 import * as timerender from "./timerender";
 import {user_settings} from "./user_settings";
 
@@ -66,7 +67,7 @@ function setup_settings_label() {
 }
 
 function get_parsed_date_of_joining() {
-    const user_date_joined = people.get_by_user_id(page_params.user_id, false).date_joined;
+    const user_date_joined = people.get_by_user_id(current_user.user_id, false).date_joined;
     return timerender.get_localized_date_or_time_for_format(
         parseISO(user_date_joined),
         "dayofyear_year",
@@ -81,11 +82,11 @@ function user_can_change_password() {
 }
 
 export function update_lock_icon_in_sidebar() {
-    if (page_params.is_owner) {
+    if (current_user.is_owner) {
         $(".org-settings-list .locked").hide();
         return;
     }
-    if (page_params.is_admin) {
+    if (current_user.is_admin) {
         $(".org-settings-list .locked").hide();
         $(".org-settings-list li[data-section='auth-methods'] .locked").show();
         return;
@@ -108,6 +109,7 @@ export function build_page() {
     const rendered_settings_tab = render_settings_tab({
         full_name: people.my_full_name(),
         date_joined_text: get_parsed_date_of_joining(),
+        current_user,
         page_params,
         enable_sound_select:
             user_settings.enable_sounds || user_settings.enable_stream_audible_notifications,
@@ -138,7 +140,7 @@ export function build_page() {
         user_can_change_name: settings_data.user_can_change_name(),
         user_can_change_avatar: settings_data.user_can_change_avatar(),
         user_can_change_email: settings_data.user_can_change_email(),
-        user_role_text: people.get_user_type(page_params.user_id),
+        user_role_text: people.get_user_type(current_user.user_id),
         default_language_name: settings_preferences.user_default_language_name,
         default_language: user_settings.default_language,
         realm_push_notifications_enabled: page_params.realm_push_notifications_enabled,
@@ -182,9 +184,9 @@ export function launch(section) {
 
 export function initialize() {
     const rendered_settings_overlay = render_settings_overlay({
-        is_owner: page_params.is_owner,
-        is_admin: page_params.is_admin,
-        is_guest: page_params.is_guest,
+        is_owner: current_user.is_owner,
+        is_admin: current_user.is_admin,
+        is_guest: current_user.is_guest,
         show_uploaded_files_section: page_params.max_file_upload_size_mib > 0,
         show_emoji_settings_lock: !settings_data.user_can_add_custom_emoji(),
         can_create_new_bots: settings_bots.can_create_new_bots(),
diff --git a/web/src/settings_account.js b/web/src/settings_account.js
index 480272f6b6..08d3d0f48c 100644
--- a/web/src/settings_account.js
+++ b/web/src/settings_account.js
@@ -25,6 +25,7 @@ import * as settings_bots from "./settings_bots";
 import * as settings_data from "./settings_data";
 import * as settings_org from "./settings_org";
 import * as settings_ui from "./settings_ui";
+import {current_user} from "./state_data";
 import * as ui_report from "./ui_report";
 import * as ui_util from "./ui_util";
 import * as user_pill from "./user_pill";
@@ -115,7 +116,7 @@ function upload_avatar($file_input) {
         },
         error(xhr) {
             display_avatar_upload_complete();
-            if (page_params.avatar_source === "G") {
+            if (current_user.avatar_source === "G") {
                 $("#user-avatar-source").show();
             }
             if (xhr.responseJSON?.msg) {
@@ -156,7 +157,7 @@ export function update_account_settings_display() {
 }
 
 export function maybe_update_deactivate_account_button() {
-    if (!page_params.is_owner) {
+    if (!current_user.is_owner) {
         return;
     }
 
@@ -318,7 +319,7 @@ export function set_up() {
         }
 
         $("#regenerate_api_key").on("click", (e) => {
-            const email = page_params.delivery_email;
+            const email = current_user.delivery_email;
             const api_key = $("#api_key_value").text();
             const authorization_header = "Basic " + btoa(`${email}:${api_key}`);
 
@@ -343,7 +344,7 @@ export function set_up() {
         $("#download_zuliprc").on("click", function () {
             const bot_object = {
                 user_id: people.my_current_user_id(),
-                email: page_params.delivery_email,
+                email: current_user.delivery_email,
                 api_key: $("#api_key_value").text(),
             };
             const data = settings_bots.generate_zuliprc_content(bot_object);
@@ -567,7 +568,7 @@ export function set_up() {
         if (settings_data.user_can_change_email()) {
             dialog_widget.launch({
                 html_heading: $t_html({defaultMessage: "Change email"}),
-                html_body: render_change_email_modal({delivery_email: page_params.delivery_email}),
+                html_body: render_change_email_modal({delivery_email: current_user.delivery_email}),
                 html_submit_button: $t_html({defaultMessage: "Change"}),
                 loading_spinner: true,
                 id: "change_email_modal",
@@ -644,14 +645,14 @@ export function set_up() {
 
         if (
             page_params.demo_organization_scheduled_deletion_date &&
-            page_params.is_owner &&
-            page_params.delivery_email === ""
+            current_user.is_owner &&
+            current_user.delivery_email === ""
         ) {
             dialog_widget.launch({
                 html_heading: $t_html({defaultMessage: "Add email"}),
                 html_body: render_demo_organization_add_email_modal({
-                    delivery_email: page_params.delivery_email,
-                    full_name: page_params.full_name,
+                    delivery_email: current_user.delivery_email,
+                    full_name: current_user.full_name,
                 }),
                 html_submit_button: $t_html({defaultMessage: "Add"}),
                 loading_spinner: true,
diff --git a/web/src/settings_bots.js b/web/src/settings_bots.js
index 7e2a86b362..95707d9b91 100644
--- a/web/src/settings_bots.js
+++ b/web/src/settings_bots.js
@@ -18,6 +18,7 @@ import * as list_widget from "./list_widget";
 import {page_params} from "./page_params";
 import * as people from "./people";
 import * as settings_data from "./settings_data";
+import {current_user} from "./state_data";
 import * as ui_report from "./ui_report";
 import * as user_deactivation_ui from "./user_deactivation_ui";
 import * as user_profile from "./user_profile";
@@ -139,11 +140,11 @@ export const bot_creation_policy_values = {
 };
 
 export function can_create_new_bots() {
-    if (page_params.is_admin) {
+    if (current_user.is_admin) {
         return true;
     }
 
-    if (page_params.is_guest) {
+    if (current_user.is_guest) {
         return false;
     }
 
@@ -152,14 +153,14 @@ export function can_create_new_bots() {
 
 export function update_bot_settings_tip($tip_container, for_org_settings) {
     if (
-        !page_params.is_admin &&
+        !current_user.is_admin &&
         page_params.realm_bot_creation_policy === bot_creation_policy_values.everyone.code
     ) {
         $tip_container.hide();
         return;
     }
 
-    if (page_params.is_admin && !for_org_settings) {
+    if (current_user.is_admin && !for_org_settings) {
         $tip_container.hide();
         return;
     }
diff --git a/web/src/settings_data.ts b/web/src/settings_data.ts
index 45baa6bd53..b6e3d8085c 100644
--- a/web/src/settings_data.ts
+++ b/web/src/settings_data.ts
@@ -1,5 +1,6 @@
 import {page_params} from "./page_params";
 import * as settings_config from "./settings_config";
+import {current_user} from "./state_data";
 import * as user_groups from "./user_groups";
 import {user_settings} from "./user_settings";
 
@@ -20,7 +21,7 @@ export function initialize(current_user_join_date: Date): void {
 */
 
 export function user_can_change_name(): boolean {
-    if (page_params.is_admin) {
+    if (current_user.is_admin) {
         return true;
     }
     if (page_params.realm_name_changes_disabled || page_params.server_name_changes_disabled) {
@@ -30,7 +31,7 @@ export function user_can_change_name(): boolean {
 }
 
 export function user_can_change_avatar(): boolean {
-    if (page_params.is_admin) {
+    if (current_user.is_admin) {
         return true;
     }
     if (page_params.realm_avatar_changes_disabled || page_params.server_avatar_changes_disabled) {
@@ -40,7 +41,7 @@ export function user_can_change_avatar(): boolean {
 }
 
 export function user_can_change_email(): boolean {
-    if (page_params.is_admin) {
+    if (current_user.is_admin) {
         return true;
     }
     if (page_params.realm_email_changes_disabled) {
@@ -50,7 +51,7 @@ export function user_can_change_email(): boolean {
 }
 
 export function user_can_change_logo(): boolean {
-    return page_params.is_admin && page_params.zulip_plan_is_not_limited;
+    return current_user.is_admin && page_params.zulip_plan_is_not_limited;
 }
 
 function user_has_permission(policy_value: number): boolean {
@@ -62,7 +63,7 @@ function user_has_permission(policy_value: number): boolean {
         return false;
     }
 
-    if (page_params.is_owner) {
+    if (current_user.is_owner) {
         return true;
     }
 
@@ -72,7 +73,7 @@ function user_has_permission(policy_value: number): boolean {
         return false;
     }
 
-    if (page_params.is_admin) {
+    if (current_user.is_admin) {
         return true;
     }
 
@@ -87,7 +88,7 @@ function user_has_permission(policy_value: number): boolean {
         return true;
     }
 
-    if (page_params.is_guest) {
+    if (current_user.is_guest) {
         return false;
     }
 
@@ -95,7 +96,7 @@ function user_has_permission(policy_value: number): boolean {
         return false;
     }
 
-    if (page_params.is_moderator) {
+    if (current_user.is_moderator) {
         return true;
     }
 
@@ -125,12 +126,12 @@ export function user_can_invite_users_by_email(): boolean {
 }
 
 export function user_can_create_multiuse_invite(): boolean {
-    if (!page_params.user_id) {
+    if (!current_user.user_id) {
         return false;
     }
     return user_groups.is_user_in_group(
         page_params.realm_create_multiuse_invite_group,
-        page_params.user_id,
+        current_user.user_id,
     );
 }
 
@@ -166,7 +167,7 @@ export function user_can_edit_user_groups(): boolean {
 }
 
 export function can_edit_user_group(group_id: number): boolean {
-    if (!page_params.user_id) {
+    if (!current_user.user_id) {
         return false;
     }
 
@@ -177,11 +178,11 @@ export function can_edit_user_group(group_id: number): boolean {
     // Admins and moderators are allowed to edit user groups even if they
     // are not a member of that user group. Members can edit user groups
     // only if they belong to that group.
-    if (page_params.is_admin || page_params.is_moderator) {
+    if (current_user.is_admin || current_user.is_moderator) {
         return true;
     }
 
-    return user_groups.is_direct_member_of(page_params.user_id, group_id);
+    return user_groups.is_direct_member_of(current_user.user_id, group_id);
 }
 
 export function user_can_add_custom_emoji(): boolean {
@@ -233,7 +234,7 @@ export function user_email_not_configured(): boolean {
     // The following should also be true in the only circumstance
     // under which we expect this condition to be possible:
     // page_params.demo_organization_scheduled_deletion_date
-    return page_params.is_owner && page_params.delivery_email === "";
+    return current_user.is_owner && current_user.delivery_email === "";
 }
 
 export function bot_type_id_to_string(type_id: number): string | undefined {
@@ -247,13 +248,13 @@ export function bot_type_id_to_string(type_id: number): string | undefined {
 }
 
 export function user_can_access_all_other_users(): boolean {
-    if (!page_params.user_id) {
+    if (!current_user.user_id) {
         return true;
     }
 
     return user_groups.is_user_in_group(
         page_params.realm_can_access_all_users_group,
-        page_params.user_id,
+        current_user.user_id,
     );
 }
 
diff --git a/web/src/settings_emoji.ts b/web/src/settings_emoji.ts
index e61aaada26..c29574af48 100644
--- a/web/src/settings_emoji.ts
+++ b/web/src/settings_emoji.ts
@@ -20,6 +20,7 @@ import * as people from "./people";
 import * as scroll_util from "./scroll_util";
 import * as settings_config from "./settings_config";
 import * as settings_data from "./settings_data";
+import {current_user} from "./state_data";
 import * as ui_report from "./ui_report";
 import * as upload_widget from "./upload_widget";
 import * as util from "./util";
@@ -29,7 +30,7 @@ const meta = {
 };
 
 function can_delete_emoji(emoji: ServerEmoji): boolean {
-    if (page_params.is_admin) {
+    if (current_user.is_admin) {
         return true;
     }
     if (emoji.author_id === null) {
@@ -56,7 +57,7 @@ export function update_custom_emoji_ui(): void {
     } else {
         $(".add-emoji-text").show();
         $("#add-custom-emoji-button").show();
-        if (page_params.is_admin) {
+        if (current_user.is_admin) {
             $("#emoji-settings .emoji-settings-tip-container").show();
         } else {
             $("#emoji-settings .emoji-settings-tip-container").hide();
@@ -269,7 +270,7 @@ function show_modal(): void {
         }
 
         if (is_default_emoji(emoji.name)) {
-            if (!page_params.is_admin) {
+            if (!current_user.is_admin) {
                 ui_report.client_error(
                     $t_html({
                         defaultMessage:
diff --git a/web/src/settings_invites.ts b/web/src/settings_invites.ts
index cff3971c80..0df41af643 100644
--- a/web/src/settings_invites.ts
+++ b/web/src/settings_invites.ts
@@ -15,6 +15,7 @@ import {page_params} from "./page_params";
 import * as people from "./people";
 import * as settings_config from "./settings_config";
 import * as settings_data from "./settings_data";
+import {current_user} from "./state_data";
 import * as timerender from "./timerender";
 import * as ui_report from "./ui_report";
 import * as util from "./util";
@@ -96,10 +97,10 @@ function populate_invites(invites_data: {invites: Invite[]}): void {
             if (item.expiry_date !== null) {
                 item.expiry_date_absolute_time = timerender.absolute_time(item.expiry_date * 1000);
             }
-            item.is_admin = page_params.is_admin;
+            item.is_admin = current_user.is_admin;
             item.disable_buttons =
                 item.invited_as === settings_config.user_role_values.owner.code &&
-                !page_params.is_owner;
+                !current_user.is_owner;
             item.referrer_name = people.get_by_user_id(item.invited_by_user_id).full_name;
             return render_admin_invites_list({invite: item});
         },
@@ -289,7 +290,7 @@ export function on_load_success(
 }
 
 export function update_invite_users_setting_tip(): void {
-    if (settings_data.user_can_invite_users_by_email() && !page_params.is_admin) {
+    if (settings_data.user_can_invite_users_by_email() && !current_user.is_admin) {
         $(".invite-user-settings-tip").hide();
         return;
     }
diff --git a/web/src/settings_linkifiers.js b/web/src/settings_linkifiers.js
index 54df971df6..6a548b9bc4 100644
--- a/web/src/settings_linkifiers.js
+++ b/web/src/settings_linkifiers.js
@@ -13,6 +13,7 @@ import * as ListWidget from "./list_widget";
 import {page_params} from "./page_params";
 import * as scroll_util from "./scroll_util";
 import * as settings_ui from "./settings_ui";
+import {current_user} from "./state_data";
 import * as ui_report from "./ui_report";
 
 const meta = {
@@ -24,7 +25,7 @@ export function reset() {
 }
 
 export function maybe_disable_widgets() {
-    if (page_params.is_admin) {
+    if (current_user.is_admin) {
         return;
     }
 }
@@ -140,7 +141,7 @@ export function populate_linkifiers(linkifiers_data) {
                     url_template: linkifier.url_template,
                     id: linkifier.id,
                 },
-                can_modify: page_params.is_admin,
+                can_modify: current_user.is_admin,
                 can_drag: filter_value.length === 0,
             });
         },
@@ -160,7 +161,7 @@ export function populate_linkifiers(linkifiers_data) {
         $simplebar_container: $("#linkifier-settings .progressive-table-wrapper"),
     });
 
-    if (page_params.is_admin) {
+    if (current_user.is_admin) {
         Sortable.create($linkifiers_table[0], {
             onUpdate: update_linkifiers_order,
             handle: ".move-handle",
diff --git a/web/src/settings_org.js b/web/src/settings_org.js
index 0ed9b829a7..9f533d1df2 100644
--- a/web/src/settings_org.js
+++ b/web/src/settings_org.js
@@ -23,6 +23,7 @@ import * as settings_data from "./settings_data";
 import * as settings_notifications from "./settings_notifications";
 import * as settings_realm_domains from "./settings_realm_domains";
 import * as settings_ui from "./settings_ui";
+import {current_user} from "./state_data";
 import * as stream_settings_data from "./stream_settings_data";
 import * as ui_report from "./ui_report";
 import * as user_groups from "./user_groups";
@@ -39,7 +40,7 @@ export function reset() {
 const DISABLED_STATE_ID = -1;
 
 export function maybe_disable_widgets() {
-    if (page_params.is_owner) {
+    if (current_user.is_owner) {
         return;
     }
 
@@ -47,7 +48,7 @@ export function maybe_disable_widgets() {
         .find("input, button, select, checked")
         .prop("disabled", true);
 
-    if (page_params.is_admin) {
+    if (current_user.is_admin) {
         $(".deactivate_realm_button").prop("disabled", true);
         $("#deactivate_realm_button_container").addClass("disabled_setting_tooltip");
         $("#org-message-retention").find("input, select").prop("disabled", true);
@@ -382,7 +383,7 @@ function can_configure_auth_methods() {
     if (settings_data.user_email_not_configured()) {
         return false;
     }
-    if (page_params.is_owner) {
+    if (current_user.is_owner) {
         return true;
     }
     return false;
diff --git a/web/src/settings_playgrounds.js b/web/src/settings_playgrounds.js
index cd37668181..4ab697932e 100644
--- a/web/src/settings_playgrounds.js
+++ b/web/src/settings_playgrounds.js
@@ -11,6 +11,7 @@ import * as ListWidget from "./list_widget";
 import {page_params} from "./page_params";
 import * as realm_playground from "./realm_playground";
 import * as scroll_util from "./scroll_util";
+import {current_user} from "./state_data";
 import {render_typeahead_item} from "./typeahead_helper";
 import * as ui_report from "./ui_report";
 
@@ -23,7 +24,7 @@ export function reset() {
 }
 
 export function maybe_disable_widgets() {
-    if (page_params.is_admin) {
+    if (current_user.is_admin) {
         return;
     }
 }
@@ -45,7 +46,7 @@ export function populate_playgrounds(playgrounds_data) {
                     url_template: playground.url_template,
                     id: playground.id,
                 },
-                can_modify: page_params.is_admin,
+                can_modify: current_user.is_admin,
             });
         },
         filter: {
diff --git a/web/src/settings_profile_fields.js b/web/src/settings_profile_fields.js
index 2fb16e7698..d56172a283 100644
--- a/web/src/settings_profile_fields.js
+++ b/web/src/settings_profile_fields.js
@@ -16,6 +16,7 @@ import * as loading from "./loading";
 import {page_params} from "./page_params";
 import * as people from "./people";
 import * as settings_ui from "./settings_ui";
+import {current_user} from "./state_data";
 import * as ui_report from "./ui_report";
 
 const meta = {
@@ -30,7 +31,7 @@ function display_success_status() {
 }
 
 export function maybe_disable_widgets() {
-    if (page_params.is_admin) {
+    if (current_user.is_admin) {
         return;
     }
 
@@ -663,7 +664,7 @@ export function do_populate_profile_fields(profile_fields_data) {
                     display_in_profile_summary,
                     valid_to_display_in_summary: is_valid_to_display_in_summary(profile_field.type),
                 },
-                can_modify: page_params.is_admin,
+                can_modify: current_user.is_admin,
                 realm_default_external_accounts: page_params.realm_default_external_accounts,
             }),
         );
@@ -677,7 +678,7 @@ export function do_populate_profile_fields(profile_fields_data) {
     // Update whether we're at the limit for display_in_profile_summary.
     display_in_profile_summary_fields_limit_reached = display_in_profile_summary_fields_count >= 2;
 
-    if (page_params.is_admin) {
+    if (current_user.is_admin) {
         const field_list = $("#admin_profile_fields_table")[0];
         Sortable.create(field_list, {
             onUpdate: update_field_order,
@@ -695,7 +696,7 @@ function set_up_select_field() {
 
     create_choice_row("#profile_field_choices");
 
-    if (page_params.is_admin) {
+    if (current_user.is_admin) {
         const choice_list = $("#profile_field_choices")[0];
         Sortable.create(choice_list, {
             onUpdate() {},
diff --git a/web/src/settings_realm_user_settings_defaults.js b/web/src/settings_realm_user_settings_defaults.js
index b02bab2ed2..4d54298956 100644
--- a/web/src/settings_realm_user_settings_defaults.js
+++ b/web/src/settings_realm_user_settings_defaults.js
@@ -2,17 +2,17 @@ import $ from "jquery";
 
 import * as audible_notifications from "./audible_notifications";
 import * as overlays from "./overlays";
-import {page_params} from "./page_params";
 import {realm_user_settings_defaults} from "./realm_user_settings_defaults";
 import * as settings_components from "./settings_components";
 import * as settings_notifications from "./settings_notifications";
 import * as settings_org from "./settings_org";
 import * as settings_preferences from "./settings_preferences";
+import {current_user} from "./state_data";
 
 export const realm_default_settings_panel = {};
 
 export function maybe_disable_widgets() {
-    if (!page_params.is_admin) {
+    if (!current_user.is_admin) {
         $(".organization-box [data-name='organization-level-user-defaults']")
             .find("input, select")
             .prop("disabled", true);
diff --git a/web/src/settings_streams.js b/web/src/settings_streams.js
index 3c3f436a03..02150ee023 100644
--- a/web/src/settings_streams.js
+++ b/web/src/settings_streams.js
@@ -11,9 +11,9 @@ import * as hash_parser from "./hash_parser";
 import {$t_html} from "./i18n";
 import * as ListWidget from "./list_widget";
 import * as loading from "./loading";
-import {page_params} from "./page_params";
 import * as scroll_util from "./scroll_util";
 import * as settings_profile_fields from "./settings_profile_fields";
+import {current_user} from "./state_data";
 import * as stream_data from "./stream_data";
 import * as sub_store from "./sub_store";
 import * as ui_report from "./ui_report";
@@ -87,7 +87,7 @@ export function reset() {
 }
 
 export function maybe_disable_widgets() {
-    if (page_params.is_admin) {
+    if (current_user.is_admin) {
         return;
     }
 
@@ -108,7 +108,7 @@ export function build_default_stream_table() {
         modifier_html(item) {
             return render_admin_default_streams_list({
                 stream: item,
-                can_modify: page_params.is_admin,
+                can_modify: current_user.is_admin,
             });
         },
         filter: {
diff --git a/web/src/settings_users.js b/web/src/settings_users.js
index 083939f79a..9f8b5bf1d6 100644
--- a/web/src/settings_users.js
+++ b/web/src/settings_users.js
@@ -9,12 +9,12 @@ import * as dialog_widget from "./dialog_widget";
 import {$t} from "./i18n";
 import * as ListWidget from "./list_widget";
 import * as loading from "./loading";
-import {page_params} from "./page_params";
 import * as people from "./people";
 import * as presence from "./presence";
 import * as scroll_util from "./scroll_util";
 import * as settings_bots from "./settings_bots";
 import * as settings_data from "./settings_data";
+import {current_user} from "./state_data";
 import * as timerender from "./timerender";
 import * as user_deactivation_ui from "./user_deactivation_ui";
 import * as user_profile from "./user_profile";
@@ -157,7 +157,7 @@ function bot_info(bot_user_id) {
     }
 
     info.is_current_user = false;
-    info.can_modify = page_params.is_admin;
+    info.can_modify = current_user.is_admin;
     info.cannot_deactivate = bot_user.is_system_bot;
     info.cannot_edit = bot_user.is_system_bot;
 
@@ -186,9 +186,9 @@ function human_info(person) {
     info.full_name = person.full_name;
     info.bot_owner_id = person.bot_owner_id;
 
-    info.can_modify = page_params.is_admin;
+    info.can_modify = current_user.is_admin;
     info.is_current_user = people.is_my_user_id(person.user_id);
-    info.cannot_deactivate = info.is_current_user || (person.is_owner && !page_params.is_owner);
+    info.cannot_deactivate = info.is_current_user || (person.is_owner && !current_user.is_owner);
     info.display_email = person.delivery_email;
 
     if (info.is_active) {
diff --git a/web/src/sidebar_ui.js b/web/src/sidebar_ui.js
index 4456c70a33..6df885740b 100644
--- a/web/src/sidebar_ui.js
+++ b/web/src/sidebar_ui.js
@@ -9,6 +9,7 @@ import * as resize from "./resize";
 import * as settings_config from "./settings_config";
 import * as settings_data from "./settings_data";
 import * as spectators from "./spectators";
+import {current_user} from "./state_data";
 import {user_settings} from "./user_settings";
 
 export let left_sidebar_expanded_as_overlay = false;
@@ -136,7 +137,7 @@ export function initialize() {
 
 export function initialize_left_sidebar() {
     const rendered_sidebar = render_left_sidebar({
-        is_guest: page_params.is_guest,
+        is_guest: current_user.is_guest,
         development_environment: page_params.development_environment,
         is_inbox_home_view:
             user_settings.web_home_view === settings_config.web_home_view_values.inbox.code,
diff --git a/web/src/state_data.ts b/web/src/state_data.ts
new file mode 100644
index 0000000000..25ffc2b7dd
--- /dev/null
+++ b/web/src/state_data.ts
@@ -0,0 +1,14 @@
+export let current_user: {
+    avatar_source: string;
+    delivery_email: string;
+    is_admin: boolean;
+    is_billing_admin: boolean;
+    is_guest: boolean;
+    is_moderator: boolean;
+    is_owner: boolean;
+    user_id: number;
+};
+
+export function set_current_user(initial_current_user: typeof current_user): void {
+    current_user = initial_current_user;
+}
diff --git a/web/src/stream_create.js b/web/src/stream_create.js
index 3c36afbb5d..24dd28081f 100644
--- a/web/src/stream_create.js
+++ b/web/src/stream_create.js
@@ -12,6 +12,7 @@ import * as loading from "./loading";
 import {page_params} from "./page_params";
 import * as people from "./people";
 import * as settings_data from "./settings_data";
+import {current_user} from "./state_data";
 import * as stream_create_subscribers from "./stream_create_subscribers";
 import * as stream_data from "./stream_data";
 import * as stream_settings_components from "./stream_settings_components";
@@ -338,7 +339,7 @@ export function show_new_stream_modal() {
 
     // The message retention setting is visible to owners only. The below block
     // sets the default state of setting if it is visible.
-    if (page_params.is_owner) {
+    if (current_user.is_owner) {
         $("#stream_creation_form .stream-message-retention-days-input").hide();
         $("#stream_creation_form select[name=stream_message_retention_setting]").val(
             "realm_default",
@@ -415,7 +416,7 @@ export function set_up_handlers() {
             stream_subscription_error.report_no_subs_to_stream();
             return;
         }
-        if (!principals.includes(people.my_current_user_id()) && !page_params.is_admin) {
+        if (!principals.includes(people.my_current_user_id()) && !current_user.is_admin) {
             stream_subscription_error.cant_create_stream_without_subscribing();
             return;
         }
diff --git a/web/src/stream_create_subscribers.js b/web/src/stream_create_subscribers.js
index 7e6bf47ead..ff9b20035c 100644
--- a/web/src/stream_create_subscribers.js
+++ b/web/src/stream_create_subscribers.js
@@ -5,8 +5,8 @@ import render_new_stream_users from "../templates/stream_settings/new_stream_use
 
 import * as add_subscribers_pill from "./add_subscribers_pill";
 import * as ListWidget from "./list_widget";
-import {page_params} from "./page_params";
 import * as people from "./people";
+import {current_user} from "./state_data";
 import * as stream_create_subscribers_data from "./stream_create_subscribers_data";
 import * as user_sort from "./user_sort";
 
@@ -84,7 +84,7 @@ export function build_widgets() {
     build_pill_widget({$parent_container: $add_people_container});
 
     stream_create_subscribers_data.initialize_with_current_user();
-    const current_user_id = page_params.user_id;
+    const current_user_id = current_user.user_id;
 
     all_users_list_widget = ListWidget.create($("#create_stream_subscribers"), [current_user_id], {
         name: "new_stream_add_users",
diff --git a/web/src/stream_create_subscribers_data.ts b/web/src/stream_create_subscribers_data.ts
index 7a31b1205f..a0371bc95c 100644
--- a/web/src/stream_create_subscribers_data.ts
+++ b/web/src/stream_create_subscribers_data.ts
@@ -1,11 +1,11 @@
-import {page_params} from "./page_params";
 import * as people from "./people";
 import type {User} from "./people";
+import {current_user} from "./state_data";
 
 let user_id_set: Set<number>;
 
 export function initialize_with_current_user(): void {
-    user_id_set = new Set([page_params.user_id]);
+    user_id_set = new Set([current_user.user_id]);
 }
 
 export function sorted_user_ids(): number[] {
@@ -33,7 +33,7 @@ export function get_potential_subscribers(): User[] {
 }
 
 export function must_be_subscribed(user_id: number): boolean {
-    return !page_params.is_admin && user_id === page_params.user_id;
+    return !current_user.is_admin && user_id === current_user.user_id;
 }
 
 export function add_user_ids(user_ids: number[]): void {
diff --git a/web/src/stream_data.ts b/web/src/stream_data.ts
index b2e11f711b..c5a278c8c2 100644
--- a/web/src/stream_data.ts
+++ b/web/src/stream_data.ts
@@ -6,6 +6,7 @@ import * as peer_data from "./peer_data";
 import * as people from "./people";
 import * as settings_config from "./settings_config";
 import * as settings_data from "./settings_data";
+import {current_user} from "./state_data";
 import * as sub_store from "./sub_store";
 import type {
     ApiStreamSubscription,
@@ -498,13 +499,14 @@ export function can_toggle_subscription(sub: StreamSubscription): boolean {
     // deactivated streams are automatically made private during the
     // archive stream process.
     return (
-        (sub.subscribed || (!page_params.is_guest && !sub.invite_only)) && !page_params.is_spectator
+        (sub.subscribed || (!current_user.is_guest && !sub.invite_only)) &&
+        !page_params.is_spectator
     );
 }
 
 export function can_access_stream_email(sub: StreamSubscription): boolean {
     return (
-        (sub.subscribed || sub.is_web_public || (!page_params.is_guest && !sub.invite_only)) &&
+        (sub.subscribed || sub.is_web_public || (!current_user.is_guest && !sub.invite_only)) &&
         !page_params.is_spectator
     );
 }
@@ -521,19 +523,19 @@ export function can_preview(sub: StreamSubscription): boolean {
 }
 
 export function can_change_permissions(sub: StreamSubscription): boolean {
-    return page_params.is_admin && (!sub.invite_only || sub.subscribed);
+    return current_user.is_admin && (!sub.invite_only || sub.subscribed);
 }
 
 export function can_view_subscribers(sub: StreamSubscription): boolean {
     // Guest users can't access subscribers of any(public or private) non-subscribed streams.
-    return page_params.is_admin || sub.subscribed || (!page_params.is_guest && !sub.invite_only);
+    return current_user.is_admin || sub.subscribed || (!current_user.is_guest && !sub.invite_only);
 }
 
 export function can_subscribe_others(sub: StreamSubscription): boolean {
     // User can add other users to stream if stream is public or user is subscribed to stream
     // and realm level setting allows user to add subscribers.
     return (
-        !page_params.is_guest &&
+        !current_user.is_guest &&
         (!sub.invite_only || sub.subscribed) &&
         settings_data.user_can_subscribe_other_users()
     );
@@ -567,7 +569,7 @@ export function can_unsubscribe_others(sub: StreamSubscription): boolean {
         return false;
     }
 
-    if (page_params.is_admin) {
+    if (current_user.is_admin) {
         return true;
     }
 
@@ -582,7 +584,7 @@ export function can_post_messages_in_stream(stream: StreamSubscription): boolean
         return false;
     }
 
-    if (page_params.is_admin) {
+    if (current_user.is_admin) {
         return true;
     }
 
@@ -590,7 +592,7 @@ export function can_post_messages_in_stream(stream: StreamSubscription): boolean
         return false;
     }
 
-    if (page_params.is_moderator) {
+    if (current_user.is_moderator) {
         return true;
     }
 
@@ -599,7 +601,7 @@ export function can_post_messages_in_stream(stream: StreamSubscription): boolean
     }
 
     if (
-        page_params.is_guest &&
+        current_user.is_guest &&
         stream.stream_post_policy !== settings_config.stream_post_policy_values.everyone.code
     ) {
         return false;
diff --git a/web/src/stream_edit.js b/web/src/stream_edit.js
index 47738efefd..eaf8fbd848 100644
--- a/web/src/stream_edit.js
+++ b/web/src/stream_edit.js
@@ -24,6 +24,7 @@ import * as scroll_util from "./scroll_util";
 import * as settings_components from "./settings_components";
 import * as settings_config from "./settings_config";
 import * as settings_org from "./settings_org";
+import {current_user} from "./state_data";
 import * as stream_color from "./stream_color";
 import * as stream_data from "./stream_data";
 import * as stream_edit_subscribers from "./stream_edit_subscribers";
@@ -255,7 +256,7 @@ export function show_settings_for(node) {
             page_params.upgrade_text_for_wide_organization_logo,
         is_business_type_org:
             page_params.realm_org_type === settings_config.all_org_type_values.business.code,
-        is_admin: page_params.is_admin,
+        is_admin: current_user.is_admin,
         org_level_message_retention_setting: get_display_text_for_realm_message_retention_setting(),
         can_access_stream_email: stream_data.can_access_stream_email(sub),
     });
diff --git a/web/src/stream_edit_subscribers.js b/web/src/stream_edit_subscribers.js
index 60ffe47a9f..2ef3cce614 100644
--- a/web/src/stream_edit_subscribers.js
+++ b/web/src/stream_edit_subscribers.js
@@ -12,10 +12,10 @@ import * as confirm_dialog from "./confirm_dialog";
 import * as hash_parser from "./hash_parser";
 import {$t, $t_html} from "./i18n";
 import * as ListWidget from "./list_widget";
-import {page_params} from "./page_params";
 import * as peer_data from "./peer_data";
 import * as people from "./people";
 import * as scroll_util from "./scroll_util";
+import {current_user} from "./state_data";
 import * as stream_data from "./stream_data";
 import * as stream_settings_containers from "./stream_settings_containers";
 import * as sub_store from "./sub_store";
@@ -30,7 +30,7 @@ function format_member_list_elem(person, user_can_remove_subscribers) {
     return render_stream_member_list_entry({
         name: person.full_name,
         user_id: person.user_id,
-        is_current_user: person.user_id === page_params.user_id,
+        is_current_user: person.user_id === current_user.user_id,
         email: person.delivery_email,
         can_remove_subscribers: user_can_remove_subscribers,
         for_user_group_members: false,
@@ -157,11 +157,11 @@ function subscribe_new_users({pill_user_ids}) {
 
     const user_id_set = new Set(active_user_ids);
 
-    if (user_id_set.has(page_params.user_id) && sub.subscribed) {
+    if (user_id_set.has(current_user.user_id) && sub.subscribed) {
         // We don't want to send a request to subscribe ourselves
         // if we are already subscribed to this stream. This
         // case occurs when creating user pills from a stream.
-        user_id_set.delete(page_params.user_id);
+        user_id_set.delete(current_user.user_id);
     }
     let ignored_deactivated_users;
     if (deactivated_users.size > 0) {
diff --git a/web/src/stream_settings_components.js b/web/src/stream_settings_components.js
index c628fa92cf..17eb32aa03 100644
--- a/web/src/stream_settings_components.js
+++ b/web/src/stream_settings_components.js
@@ -11,11 +11,11 @@ import * as hash_util from "./hash_util";
 import {$t, $t_html} from "./i18n";
 import * as loading from "./loading";
 import * as overlays from "./overlays";
-import {page_params} from "./page_params";
 import * as peer_data from "./peer_data";
 import * as people from "./people";
 import * as settings_config from "./settings_config";
 import * as settings_data from "./settings_data";
+import {current_user} from "./state_data";
 import * as stream_ui_updates from "./stream_ui_updates";
 import * as ui_report from "./ui_report";
 import * as user_groups from "./user_groups";
@@ -228,7 +228,7 @@ export function unsubscribe_from_private_stream(sub) {
 export function sub_or_unsub(sub, $stream_row) {
     if (sub.subscribed) {
         // TODO: This next line should allow guests to access web-public streams.
-        if (sub.invite_only || page_params.is_guest) {
+        if (sub.invite_only || current_user.is_guest) {
             unsubscribe_from_private_stream(sub);
             return;
         }
diff --git a/web/src/stream_settings_data.ts b/web/src/stream_settings_data.ts
index 4a9c84449d..fe6d2a7104 100644
--- a/web/src/stream_settings_data.ts
+++ b/web/src/stream_settings_data.ts
@@ -1,7 +1,7 @@
 import * as hash_util from "./hash_util";
-import {page_params} from "./page_params";
 import * as peer_data from "./peer_data";
 import * as settings_config from "./settings_config";
+import {current_user} from "./state_data";
 import * as stream_data from "./stream_data";
 import type {StreamSpecificNotificationSettings, StreamSubscription} from "./sub_store";
 import * as sub_store from "./sub_store";
@@ -26,10 +26,10 @@ export function get_sub_for_settings(sub: StreamSubscription): SettingsSubscript
     return {
         ...sub,
 
-        is_realm_admin: page_params.is_admin,
+        is_realm_admin: current_user.is_admin,
         // Admin can change any stream's name & description either stream is public or
         // private, subscribed or unsubscribed.
-        can_change_name_description: page_params.is_admin,
+        can_change_name_description: current_user.is_admin,
 
         should_display_subscription_button: stream_data.can_toggle_subscription(sub),
         should_display_preview_button: stream_data.can_preview(sub),
@@ -57,7 +57,7 @@ export function get_updated_unsorted_subs(): SettingsSubscription[] {
     let all_subs = stream_data.get_unsorted_subs();
 
     // We don't display unsubscribed streams to guest users.
-    if (page_params.is_guest) {
+    if (current_user.is_guest) {
         all_subs = all_subs.filter((sub) => sub.subscribed);
     }
 
diff --git a/web/src/stream_settings_ui.js b/web/src/stream_settings_ui.js
index 703bcfebc9..0a37d8c3a1 100644
--- a/web/src/stream_settings_ui.js
+++ b/web/src/stream_settings_ui.js
@@ -25,6 +25,7 @@ import * as scroll_util from "./scroll_util";
 import * as search_util from "./search_util";
 import * as settings_config from "./settings_config";
 import * as settings_data from "./settings_data";
+import {current_user} from "./state_data";
 import * as stream_create from "./stream_create";
 import * as stream_data from "./stream_data";
 import * as stream_edit from "./stream_edit";
@@ -299,7 +300,7 @@ export function update_settings_for_unsubscribed(slim_sub) {
     if (!stream_data.can_toggle_subscription(sub)) {
         stream_ui_updates.update_add_subscriptions_elements(sub);
     }
-    if (page_params.is_guest) {
+    if (current_user.is_guest) {
         stream_edit.open_edit_panel_empty();
     }
 
@@ -582,7 +583,7 @@ export function setup_page(callback) {
             const toggler_elem = toggler.get();
             $("#streams_overlay_container .list-toggler-container").prepend(toggler_elem);
         }
-        if (page_params.is_guest) {
+        if (current_user.is_guest) {
             toggler.disable_tab("all-streams");
         }
 
@@ -606,10 +607,10 @@ export function setup_page(callback) {
                 settings_data.user_can_create_private_streams() ||
                 settings_data.user_can_create_public_streams() ||
                 settings_data.user_can_create_web_public_streams(),
-            can_view_all_streams: !page_params.is_guest && should_list_all_streams(),
+            can_view_all_streams: !current_user.is_guest && should_list_all_streams(),
             max_stream_name_length: page_params.max_stream_name_length,
             max_stream_description_length: page_params.max_stream_description_length,
-            is_owner: page_params.is_owner,
+            is_owner: current_user.is_owner,
             stream_privacy_policy_values: settings_config.stream_privacy_policy_values,
             stream_privacy_policy,
             stream_post_policy_values: settings_config.stream_post_policy_values,
@@ -622,7 +623,7 @@ export function setup_page(callback) {
             is_business_type_org:
                 page_params.realm_org_type === settings_config.all_org_type_values.business.code,
             disable_message_retention_setting:
-                !page_params.zulip_plan_is_not_limited || !page_params.is_owner,
+                !page_params.zulip_plan_is_not_limited || !current_user.is_owner,
         };
 
         const rendered = render_stream_settings_overlay(template_data);
@@ -701,7 +702,7 @@ function show_right_section() {
 export function change_state(section, right_side_tab) {
     // if in #streams/new form.
     if (section === "new") {
-        if (!page_params.is_guest) {
+        if (!current_user.is_guest) {
             do_open_create_stream();
             show_right_section();
         } else {
@@ -735,7 +736,7 @@ export function change_state(section, right_side_tab) {
         //    not be in sub_store).
         //
         // In all these cases we redirect the user to 'subscribed' tab.
-        if (!sub || (page_params.is_guest && !stream_data.is_subscribed(stream_id))) {
+        if (!sub || (current_user.is_guest && !stream_data.is_subscribed(stream_id))) {
             toggler.goto("subscribed");
             stream_edit.empty_right_panel();
         } else {
diff --git a/web/src/stream_ui_updates.js b/web/src/stream_ui_updates.js
index 2246f8815c..61aeb2995c 100644
--- a/web/src/stream_ui_updates.js
+++ b/web/src/stream_ui_updates.js
@@ -11,6 +11,7 @@ import {page_params} from "./page_params";
 import * as settings_config from "./settings_config";
 import * as settings_data from "./settings_data";
 import * as settings_org from "./settings_org";
+import {current_user} from "./state_data";
 import * as stream_data from "./stream_data";
 import * as stream_edit_toggler from "./stream_edit_toggler";
 import * as stream_settings_containers from "./stream_settings_containers";
@@ -231,7 +232,7 @@ export function update_default_stream_and_stream_privacy_state($container) {
 
     // In the stream creation UI, if the user is a non-admin hide the
     // "Default stream for new users" widget
-    if (is_stream_creation && !page_params.is_admin) {
+    if (is_stream_creation && !current_user.is_admin) {
         $default_stream.hide();
         return;
     }
@@ -271,7 +272,7 @@ export function enable_or_disable_permission_settings_in_edit_panel(sub) {
     update_default_stream_and_stream_privacy_state($stream_settings);
 
     const disable_message_retention_setting =
-        !page_params.zulip_plan_is_not_limited || !page_params.is_owner;
+        !page_params.zulip_plan_is_not_limited || !current_user.is_owner;
     $stream_settings
         .find(".stream_message_retention_setting")
         .prop("disabled", disable_message_retention_setting);
@@ -347,7 +348,7 @@ export function update_stream_row_in_settings_tab(sub) {
         const $sub_row = row_for_stream_id(sub.stream_id);
         if (sub.subscribed) {
             $sub_row.removeClass("notdisplayed");
-        } else if (sub.invite_only || page_params.is_guest) {
+        } else if (sub.invite_only || current_user.is_guest) {
             $sub_row.addClass("notdisplayed");
         }
     }
@@ -361,7 +362,7 @@ export function update_add_subscriptions_elements(sub) {
     // We are only concerned with the Subscribers tab for editing streams.
     const $add_subscribers_container = $(".edit_subscribers_for_stream .subscriber_list_settings");
 
-    if (page_params.is_guest || page_params.realm_is_zephyr_mirror_realm) {
+    if (current_user.is_guest || page_params.realm_is_zephyr_mirror_realm) {
         // For guest users, we just hide the add_subscribers feature.
         $add_subscribers_container.hide();
         return;
diff --git a/web/src/transmit.js b/web/src/transmit.js
index 3c529fb984..05f23edd4a 100644
--- a/web/src/transmit.js
+++ b/web/src/transmit.js
@@ -2,12 +2,12 @@ import * as Sentry from "@sentry/browser";
 
 import * as blueslip from "./blueslip";
 import * as channel from "./channel";
-import {page_params} from "./page_params";
 import * as people from "./people";
 import * as reload from "./reload";
 import * as reload_state from "./reload_state";
 import * as sent_messages from "./sent_messages";
 import * as server_events from "./server_events";
+import {current_user} from "./state_data";
 import * as stream_data from "./stream_data";
 
 export function send_message(request, on_success, error) {
@@ -108,7 +108,7 @@ export function reply_message(opts) {
     const local_id = sent_messages.get_new_local_id();
 
     const reply = {
-        sender_id: page_params.user_id,
+        sender_id: current_user.user_id,
         queue_id: server_events.queue_id,
         local_id,
     };
diff --git a/web/src/typing_events.ts b/web/src/typing_events.ts
index 7a9fc3d9d4..3dd9814f08 100644
--- a/web/src/typing_events.ts
+++ b/web/src/typing_events.ts
@@ -6,6 +6,7 @@ import render_typing_notifications from "../templates/typing_notifications.hbs";
 import * as narrow_state from "./narrow_state";
 import {page_params} from "./page_params";
 import * as people from "./people";
+import {current_user} from "./state_data";
 import * as typing_data from "./typing_data";
 
 // See docs/subsystems/typing-indicators.md for details on typing indicators.
@@ -77,7 +78,7 @@ function get_users_typing_for_narrow(): number[] {
         const narrow_user_ids = narrow_user_ids_string
             .split(",")
             .map((user_id_string) => Number.parseInt(user_id_string, 10));
-        const group = [...narrow_user_ids, page_params.user_id];
+        const group = [...narrow_user_ids, current_user.user_id];
         return typing_data.get_group_typists(group);
     }
     // Get all users typing (in all direct message conversations with current user)
diff --git a/web/src/ui_init.js b/web/src/ui_init.js
index ee68c9d262..b6d7bd18d2 100644
--- a/web/src/ui_init.js
+++ b/web/src/ui_init.js
@@ -114,6 +114,7 @@ import * as sidebar_ui from "./sidebar_ui";
 import * as spoilers from "./spoilers";
 import * as starred_messages from "./starred_messages";
 import * as starred_messages_ui from "./starred_messages_ui";
+import {current_user, set_current_user} from "./state_data";
 import * as stream_data from "./stream_data";
 import * as stream_edit from "./stream_edit";
 import * as stream_edit_subscribers from "./stream_edit_subscribers";
@@ -162,7 +163,7 @@ function initialize_bottom_whitespace() {
 function initialize_navbar() {
     const rendered_navbar = render_navbar({
         embedded: page_params.narrow_stream !== undefined,
-        user_avatar: page_params.avatar_url_medium,
+        user_avatar: current_user.avatar_url_medium,
     });
 
     $("#header-container").html(rendered_navbar);
@@ -490,6 +491,31 @@ export function initialize_everything() {
     );
     const local_message_params = pop_fields("max_message_id");
 
+    const current_user_params = pop_fields(
+        "avatar_source",
+        "avatar_url",
+        "avatar_url_medium",
+        "can_create_private_streams",
+        "can_create_public_streams",
+        "can_create_streams",
+        "can_create_web_public_streams",
+        "can_invite_others_to_realm",
+        "can_subscribe_other_users",
+        "delivery_email",
+        "email",
+        "full_name",
+        "has_zoom_token",
+        "is_admin",
+        "is_billing_admin",
+        "is_guest",
+        "is_moderator",
+        "is_owner",
+        "onboarding_steps",
+        "user_id",
+    );
+
+    set_current_user(current_user_params);
+
     /* To store theme data for spectators, we need to initialize
        user_settings before setting the theme. */
     initialize_user_settings(user_settings_params);
@@ -521,12 +547,12 @@ export function initialize_everything() {
     scheduled_messages_popover.initialize();
 
     realm_user_settings_defaults.initialize(realm_settings_defaults_params);
-    people.initialize(page_params.user_id, people_params);
+    people.initialize(current_user.user_id, people_params);
     starred_messages.initialize(starred_messages_params);
 
     let date_joined;
     if (!page_params.is_spectator) {
-        const user = people.get_by_user_id(page_params.user_id);
+        const user = people.get_by_user_id(current_user.user_id);
         date_joined = user.date_joined;
     } else {
         // Spectators don't have an account, so we just prevent their
diff --git a/web/src/user_card_popover.js b/web/src/user_card_popover.js
index af89dc9b3f..3a05be5005 100644
--- a/web/src/user_card_popover.js
+++ b/web/src/user_card_popover.js
@@ -32,6 +32,7 @@ import {hide_all} from "./popovers";
 import * as rows from "./rows";
 import * as settings_config from "./settings_config";
 import * as sidebar_ui from "./sidebar_ui";
+import {current_user} from "./state_data";
 import * as timerender from "./timerender";
 import * as ui_report from "./ui_report";
 import * as ui_util from "./ui_util";
@@ -479,7 +480,7 @@ function toggle_user_card_popover_manage_menu(element, user) {
 
     const args = {
         can_mute: muting_allowed && !is_muted,
-        can_manage_user: page_params.is_admin && !is_me && !is_system_bot,
+        can_manage_user: current_user.is_admin && !is_me && !is_system_bot,
         can_unmute: muting_allowed && is_muted,
         is_active: people.is_active_user_for_popover(user.user_id),
         is_bot: user.is_bot,
diff --git a/web/src/user_events.js b/web/src/user_events.js
index c59faf6f0f..babf93954e 100644
--- a/web/src/user_events.js
+++ b/web/src/user_events.js
@@ -10,7 +10,6 @@ import {buddy_list} from "./buddy_list";
 import * as compose_state from "./compose_state";
 import * as message_live_update from "./message_live_update";
 import * as narrow_state from "./narrow_state";
-import {page_params} from "./page_params";
 import * as people from "./people";
 import * as pm_list from "./pm_list";
 import * as settings from "./settings";
@@ -22,6 +21,7 @@ import * as settings_profile_fields from "./settings_profile_fields";
 import * as settings_realm_user_settings_defaults from "./settings_realm_user_settings_defaults";
 import * as settings_streams from "./settings_streams";
 import * as settings_users from "./settings_users";
+import {current_user} from "./state_data";
 import * as stream_events from "./stream_events";
 
 export const update_person = function update(person) {
@@ -40,7 +40,7 @@ export const update_person = function update(person) {
         compose_state.update_email(user_id, new_email);
 
         if (people.is_my_user_id(person.user_id)) {
-            page_params.email = new_email;
+            current_user.email = new_email;
         }
 
         people.update_email(user_id, new_email);
@@ -51,7 +51,7 @@ export const update_person = function update(person) {
         person_obj.delivery_email = delivery_email;
         if (people.is_my_user_id(person.user_id)) {
             settings_account.update_email(delivery_email);
-            page_params.delivery_email = delivery_email;
+            current_user.delivery_email = delivery_email;
             settings_account.hide_confirm_email_banner();
         }
     }
@@ -64,7 +64,7 @@ export const update_person = function update(person) {
         message_live_update.update_user_full_name(person.user_id, person.full_name);
         pm_list.update_private_messages();
         if (people.is_my_user_id(person.user_id)) {
-            page_params.full_name = person.full_name;
+            current_user.full_name = person.full_name;
             settings_account.update_full_name(person.full_name);
         }
     }
@@ -78,14 +78,14 @@ export const update_person = function update(person) {
         person_obj.is_moderator = person.role === settings_config.user_role_values.moderator.code;
         settings_users.update_user_data(person.user_id, person);
 
-        if (people.is_my_user_id(person.user_id) && page_params.is_owner !== person_obj.is_owner) {
-            page_params.is_owner = person_obj.is_owner;
+        if (people.is_my_user_id(person.user_id) && current_user.is_owner !== person_obj.is_owner) {
+            current_user.is_owner = person_obj.is_owner;
             settings_org.maybe_disable_widgets();
             settings.update_lock_icon_in_sidebar();
         }
 
-        if (people.is_my_user_id(person.user_id) && page_params.is_admin !== person_obj.is_admin) {
-            page_params.is_admin = person_obj.is_admin;
+        if (people.is_my_user_id(person.user_id) && current_user.is_admin !== person_obj.is_admin) {
+            current_user.is_admin = person_obj.is_admin;
             settings_linkifiers.maybe_disable_widgets();
             settings_org.maybe_disable_widgets();
             settings_profile_fields.maybe_disable_widgets();
@@ -97,16 +97,16 @@ export const update_person = function update(person) {
 
         if (
             people.is_my_user_id(person.user_id) &&
-            page_params.is_moderator !== person_obj.is_moderator
+            current_user.is_moderator !== person_obj.is_moderator
         ) {
-            page_params.is_moderator = person_obj.is_moderator;
+            current_user.is_moderator = person_obj.is_moderator;
         }
     }
 
     if (Object.hasOwn(person, "is_billing_admin")) {
         person_obj.is_billing_admin = person.is_billing_admin;
         if (people.is_my_user_id(person.user_id)) {
-            page_params.is_billing_admin = person_obj.is_billing_admin;
+            current_user.is_billing_admin = person_obj.is_billing_admin;
         }
     }
 
@@ -116,9 +116,9 @@ export const update_person = function update(person) {
         person_obj.avatar_version = person.avatar_version;
 
         if (people.is_my_user_id(person.user_id)) {
-            page_params.avatar_source = person.avatar_source;
-            page_params.avatar_url = url;
-            page_params.avatar_url_medium = person.avatar_url_medium;
+            current_user.avatar_source = person.avatar_source;
+            current_user.avatar_url = url;
+            current_user.avatar_url_medium = person.avatar_url_medium;
             $("#user-avatar-upload-widget .image-block").attr("src", person.avatar_url_medium);
             $("#personal-menu .header-button-avatar").attr("src", `${person.avatar_url_medium}`);
         }
diff --git a/web/src/user_group_create_members.js b/web/src/user_group_create_members.js
index 14bdbe3a06..8307177442 100644
--- a/web/src/user_group_create_members.js
+++ b/web/src/user_group_create_members.js
@@ -5,8 +5,8 @@ import render_new_user_group_users from "../templates/user_group_settings/new_us
 
 import * as add_subscribers_pill from "./add_subscribers_pill";
 import * as ListWidget from "./list_widget";
-import {page_params} from "./page_params";
 import * as people from "./people";
+import {current_user} from "./state_data";
 import * as user_group_create_members_data from "./user_group_create_members_data";
 import * as user_sort from "./user_sort";
 
@@ -88,7 +88,7 @@ export function build_widgets() {
     build_pill_widget({$parent_container: $add_people_container});
 
     user_group_create_members_data.initialize_with_current_user();
-    const current_user_id = page_params.user_id;
+    const current_user_id = current_user.user_id;
 
     all_users_list_widget = ListWidget.create($("#create_user_group_members"), [current_user_id], {
         name: "new_user_group_add_users",
diff --git a/web/src/user_group_create_members_data.ts b/web/src/user_group_create_members_data.ts
index cf8f45adc9..1864b031d8 100644
--- a/web/src/user_group_create_members_data.ts
+++ b/web/src/user_group_create_members_data.ts
@@ -1,11 +1,11 @@
-import {page_params} from "./page_params";
 import * as people from "./people";
 import type {User} from "./people";
+import {current_user} from "./state_data";
 
 let user_id_set: Set<number>;
 
 export function initialize_with_current_user(): void {
-    user_id_set = new Set([page_params.user_id]);
+    user_id_set = new Set([current_user.user_id]);
 }
 
 export function sorted_user_ids(): number[] {
diff --git a/web/src/user_group_edit.js b/web/src/user_group_edit.js
index 4b8ccd88f9..b539cd0240 100644
--- a/web/src/user_group_edit.js
+++ b/web/src/user_group_edit.js
@@ -23,6 +23,7 @@ import * as scroll_util from "./scroll_util";
 import * as settings_components from "./settings_components";
 import * as settings_data from "./settings_data";
 import * as settings_org from "./settings_org";
+import {current_user} from "./state_data";
 import * as stream_ui_updates from "./stream_ui_updates";
 import * as ui_report from "./ui_report";
 import * as user_group_components from "./user_group_components";
@@ -79,7 +80,7 @@ function update_add_members_elements(group) {
     // We are only concerned with the Members tab for editing groups.
     const $add_members_container = $(".edit_members_for_user_group .add_members_container");
 
-    if (page_params.is_guest || page_params.realm_is_zephyr_mirror_realm) {
+    if (current_user.is_guest || page_params.realm_is_zephyr_mirror_realm) {
         // For guest users, we just hide the add_members feature.
         $add_members_container.hide();
         return;
diff --git a/web/src/user_group_edit_members.js b/web/src/user_group_edit_members.js
index a3753e44c2..1c18c1fa98 100644
--- a/web/src/user_group_edit_members.js
+++ b/web/src/user_group_edit_members.js
@@ -11,10 +11,10 @@ import * as channel from "./channel";
 import * as confirm_dialog from "./confirm_dialog";
 import {$t, $t_html} from "./i18n";
 import * as ListWidget from "./list_widget";
-import {page_params} from "./page_params";
 import * as people from "./people";
 import * as scroll_util from "./scroll_util";
 import * as settings_data from "./settings_data";
+import {current_user} from "./state_data";
 import * as user_groups from "./user_groups";
 import * as user_sort from "./user_sort";
 
@@ -53,7 +53,7 @@ function format_member_list_elem(person) {
     return render_user_group_member_list_entry({
         name: person.full_name,
         user_id: person.user_id,
-        is_current_user: person.user_id === page_params.user_id,
+        is_current_user: person.user_id === current_user.user_id,
         email: person.delivery_email,
         can_remove_subscribers: settings_data.can_edit_user_group(current_group_id),
         for_user_group_members: true,
@@ -181,13 +181,13 @@ function add_new_members({pill_user_ids}) {
     const user_id_set = new Set(active_user_ids);
 
     if (
-        user_id_set.has(page_params.user_id) &&
-        user_groups.is_user_in_group(group.id, page_params.user_id)
+        user_id_set.has(current_user.user_id) &&
+        user_groups.is_user_in_group(group.id, current_user.user_id)
     ) {
         // We don't want to send a request to add ourselves if we
         // are already added to this group. This case occurs
         // when creating user pills from a stream or user group.
-        user_id_set.delete(page_params.user_id);
+        user_id_set.delete(current_user.user_id);
     }
 
     let ignored_deactivated_users;
@@ -286,7 +286,7 @@ function remove_member({group_id, target_user_id, $list_entry}) {
         });
     }
 
-    if (people.is_my_user_id(target_user_id) && !page_params.is_admin) {
+    if (people.is_my_user_id(target_user_id) && !current_user.is_admin) {
         const html_body = render_leave_user_group_modal({
             message: $t({
                 defaultMessage: "Once you leave this group, you will not be able to rejoin.",
diff --git a/web/src/user_group_popover.ts b/web/src/user_group_popover.ts
index 1dc8668b3b..d3ae1d85dc 100644
--- a/web/src/user_group_popover.ts
+++ b/web/src/user_group_popover.ts
@@ -8,11 +8,11 @@ import * as blueslip from "./blueslip";
 import * as buddy_data from "./buddy_data";
 import * as hash_util from "./hash_util";
 import * as message_lists from "./message_lists";
-import {page_params} from "./page_params";
 import * as people from "./people";
 import type {User} from "./people";
 import * as popover_menus from "./popover_menus";
 import * as rows from "./rows";
+import {current_user} from "./state_data";
 import * as ui_util from "./ui_util";
 import * as user_groups from "./user_groups";
 import * as util from "./util";
@@ -97,7 +97,7 @@ export function toggle_user_group_info_popover(
                     group_description: group.description,
                     members: sort_group_members(fetch_group_members([...group.members])),
                     group_edit_url: hash_util.group_edit_url(group),
-                    is_guest: page_params.is_guest,
+                    is_guest: current_user.is_guest,
                 };
                 instance.setContent(ui_util.parse_html(render_user_group_info_popover(args)));
             },
diff --git a/web/src/user_groups.ts b/web/src/user_groups.ts
index 832acd1b6b..5b78e24598 100644
--- a/web/src/user_groups.ts
+++ b/web/src/user_groups.ts
@@ -1,8 +1,8 @@
 import * as blueslip from "./blueslip";
 import {FoldDict} from "./fold_dict";
 import * as group_permission_settings from "./group_permission_settings";
-import {page_params} from "./page_params";
 import * as settings_config from "./settings_config";
+import {current_user} from "./state_data";
 import type {UserOrMention} from "./typeahead_helper";
 import type {UserGroupUpdateEvent} from "./types";
 
@@ -100,7 +100,7 @@ export function get_user_groups_allowed_to_mention(): UserGroup[] {
     const user_groups = get_realm_user_groups();
     return user_groups.filter((group) => {
         const can_mention_group_id = group.can_mention_group;
-        return is_user_in_group(can_mention_group_id, page_params.user_id);
+        return is_user_in_group(can_mention_group_id, current_user.user_id);
     });
 }
 
diff --git a/web/src/user_profile.js b/web/src/user_profile.js
index 0493271ccb..d6625349ae 100644
--- a/web/src/user_profile.js
+++ b/web/src/user_profile.js
@@ -31,6 +31,7 @@ import * as people from "./people";
 import * as settings_config from "./settings_config";
 import * as settings_data from "./settings_data";
 import * as settings_profile_fields from "./settings_profile_fields";
+import {current_user} from "./state_data";
 import * as stream_data from "./stream_data";
 import * as stream_ui_updates from "./stream_ui_updates";
 import * as sub_store from "./sub_store";
@@ -361,7 +362,7 @@ export function show_user_profile(user, default_tab_key = "profile-tab") {
     // We currently have the main UI for editing your own profile in
     // settings, so can_manage_profile is artificially false for those.
     const can_manage_profile =
-        (people.can_admin_user(user) || page_params.is_admin) &&
+        (people.can_admin_user(user) || current_user.is_admin) &&
         !user.is_system_bot &&
         !people.is_my_user_id(user.user_id);
     const args = {
@@ -498,7 +499,7 @@ export function show_edit_bot_info_modal(user_id, $container) {
         email: bot.email,
         full_name: bot.full_name,
         user_role_values: settings_config.user_role_values,
-        disable_role_dropdown: !page_params.is_admin || (bot.is_owner && !page_params.is_owner),
+        disable_role_dropdown: !current_user.is_admin || (bot.is_owner && !current_user.is_owner),
         bot_avatar_url: bot.avatar_url,
         owner_full_name,
         current_bot_owner: bot.bot_owner_id,
@@ -606,7 +607,7 @@ export function show_edit_bot_info_modal(user_id, $container) {
         bot_owner_dropdown_widget.setup();
 
         $("#bot-role-select").val(bot.role);
-        if (!page_params.is_owner) {
+        if (!current_user.is_owner) {
             $("#bot-role-select")
                 .find(`option[value="${CSS.escape(settings_config.user_role_values.owner.code)}"]`)
                 .hide();
@@ -722,7 +723,7 @@ export function show_edit_user_info_modal(user_id, $container) {
         email: person.delivery_email,
         full_name: person.full_name,
         user_role_values: settings_config.user_role_values,
-        disable_role_dropdown: person.is_owner && !page_params.is_owner,
+        disable_role_dropdown: person.is_owner && !current_user.is_owner,
         owner_is_only_user_in_organization: people.get_active_human_count() === 1,
         is_active,
     });
@@ -730,7 +731,7 @@ export function show_edit_user_info_modal(user_id, $container) {
     $container.append(html_body);
     // Set role dropdown and fields user pills
     $("#user-role-select").val(person.role);
-    if (!page_params.is_owner) {
+    if (!current_user.is_owner) {
         $("#user-role-select")
             .find(`option[value="${CSS.escape(settings_config.user_role_values.owner.code)}"]`)
             .hide();
diff --git a/web/src/zulip_test.js b/web/src/zulip_test.js
index b16823aeba..7fb0c2e2d7 100644
--- a/web/src/zulip_test.js
+++ b/web/src/zulip_test.js
@@ -12,4 +12,5 @@ export {cancel as cancel_compose} from "./compose_actions";
 export {page_params, page_params_parse_time} from "./page_params";
 export {initiate as initiate_reload} from "./reload";
 export {page_load_time} from "./setup";
+export {current_user} from "./state_data";
 export {add_user_id_to_new_stream} from "./stream_create_subscribers";
diff --git a/web/templates/settings/account_settings.hbs b/web/templates/settings/account_settings.hbs
index 4ff490c35e..4e89baa32c 100644
--- a/web/templates/settings/account_settings.hbs
+++ b/web/templates/settings/account_settings.hbs
@@ -11,7 +11,7 @@
                         <label class="inline-block title">{{t "Email" }}</label>
                         <div id="change_email_button_container" class="inline-block {{#unless user_can_change_email}}disabled_setting_tooltip{{/unless}}">
                             <button id="change_email_button" type="button" class="button btn-link small rounded inline-block" {{#unless user_can_change_email}}disabled="disabled"{{/unless}}>
-                                {{page_params.delivery_email}}
+                                {{current_user.delivery_email}}
                                 <i class="fa fa-pencil"></i>
                             </button>
                         </div>
diff --git a/web/templates/settings/bot_settings.hbs b/web/templates/settings/bot_settings.hbs
index fe3eb34e9d..13fc954a63 100644
--- a/web/templates/settings/bot_settings.hbs
+++ b/web/templates/settings/bot_settings.hbs
@@ -1,6 +1,6 @@
 <div id="bot-settings" class="settings-section" data-name="your-bots">
     <div class="bot-settings-form">
-        {{#unless page_params.is_guest}}
+        {{#unless current_user.is_guest}}
         <div class="tip">
             {{#tr}}
                 Looking for our <z-integrations>integrations</z-integrations> or <z-api>API</z-api> documentation?
diff --git a/web/templates/settings/profile_settings.hbs b/web/templates/settings/profile_settings.hbs
index d9a27f72e8..213ac8a97a 100644
--- a/web/templates/settings/profile_settings.hbs
+++ b/web/templates/settings/profile_settings.hbs
@@ -9,7 +9,7 @@
                             <label for="full_name" class="title inline-block">{{t "Full name" }}</label>
                             <div class="alert-notification full-name-status"></div>
                             <div id="full_name_input_container" {{#unless user_can_change_name}}class="disabled_setting_tooltip"{{/unless}}>
-                                <input id="full_name" name="full_name" class="settings_text_input" type="text" value="{{ page_params.full_name }}" {{#unless user_can_change_name}}disabled="disabled"{{/unless}} maxlength="60" />
+                                <input id="full_name" name="full_name" class="settings_text_input" type="text" value="{{ current_user.full_name }}" {{#unless user_can_change_name}}disabled="disabled"{{/unless}} maxlength="60" />
                             </div>
                         </div>
                     </div>
@@ -45,7 +45,7 @@
                   delete_text = (t "Delete profile picture")
                   disabled_text = (t "Avatar changes are disabled in this organization")
                   is_editable_by_current_user = user_can_change_avatar
-                  image = page_params.avatar_url_medium}}
+                  image = current_user.avatar_url_medium}}
                 <div id="user-avatar-source">
                     <a href="https://en.gravatar.com/" target="_blank" rel="noopener noreferrer">{{t "Avatar from Gravatar" }}</a>
                 </div>
diff --git a/web/tests/activity.test.js b/web/tests/activity.test.js
index b14d966ffe..f7581aa308 100644
--- a/web/tests/activity.test.js
+++ b/web/tests/activity.test.js
@@ -6,7 +6,7 @@ const {mock_esm, set_global, with_overrides, zrequire} = require("./lib/namespac
 const {run_test, noop} = require("./lib/test");
 const blueslip = require("./lib/zblueslip");
 const $ = require("./lib/zjquery");
-const {page_params, user_settings} = require("./lib/zpage_params");
+const {current_user, page_params, user_settings} = require("./lib/zpage_params");
 
 const $window_stub = $.create("window-stub");
 set_global("to_$", () => $window_stub);
@@ -138,17 +138,17 @@ run_test("reload_defaults", () => {
 
 test("get_status", () => {
     page_params.realm_users = [];
-    page_params.user_id = 999;
+    current_user.user_id = 999;
 
-    assert.equal(presence.get_status(page_params.user_id), "active");
+    assert.equal(presence.get_status(current_user.user_id), "active");
     assert.equal(presence.get_status(alice.user_id), "active");
     assert.equal(presence.get_status(mark.user_id), "idle");
     assert.equal(presence.get_status(fred.user_id), "active");
 
     user_settings.presence_enabled = false;
-    assert.equal(presence.get_status(page_params.user_id), "offline");
+    assert.equal(presence.get_status(current_user.user_id), "offline");
     user_settings.presence_enabled = true;
-    assert.equal(presence.get_status(page_params.user_id), "active");
+    assert.equal(presence.get_status(current_user.user_id), "active");
 
     presence.presence_info.delete(zoe.user_id);
     assert.equal(presence.get_status(zoe.user_id), "offline");
diff --git a/web/tests/buddy_data.test.js b/web/tests/buddy_data.test.js
index 455411767c..24a9766814 100644
--- a/web/tests/buddy_data.test.js
+++ b/web/tests/buddy_data.test.js
@@ -7,7 +7,7 @@ const _ = require("lodash");
 const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
 const blueslip = require("./lib/zblueslip");
-const {page_params, user_settings} = require("./lib/zpage_params");
+const {current_user, page_params, user_settings} = require("./lib/zpage_params");
 
 const timerender = mock_esm("../src/timerender");
 
@@ -316,7 +316,7 @@ test("title_data", () => {
         third_line: "translated: Active now",
         show_you: true,
     };
-    page_params.user_id = me.user_id;
+    current_user.user_id = me.user_id;
     assert.deepEqual(buddy_data.get_title_data(me.user_id, is_group), expected_data);
 
     expected_data = {
diff --git a/web/tests/compose.test.js b/web/tests/compose.test.js
index 5bc7d97d91..c0efde5400 100644
--- a/web/tests/compose.test.js
+++ b/web/tests/compose.test.js
@@ -10,7 +10,7 @@ const {$t} = require("./lib/i18n");
 const {mock_esm, set_global, zrequire} = require("./lib/namespace");
 const {run_test, noop} = require("./lib/test");
 const $ = require("./lib/zjquery");
-const {page_params, user_settings} = require("./lib/zpage_params");
+const {current_user, page_params, user_settings} = require("./lib/zpage_params");
 
 const settings_config = zrequire("settings_config");
 
@@ -231,7 +231,7 @@ test_ui("send_message", ({override, override_rewire, mock_template}) => {
         stub_state = initialize_state_stub_dict();
         compose_state.topic("");
         compose_state.set_message_type("private");
-        page_params.user_id = new_user.user_id;
+        current_user.user_id = new_user.user_id;
         override(compose_pm_pill, "get_emails", () => "alice@example.com");
 
         const server_message_id = 127;
@@ -367,7 +367,7 @@ test_ui("enter_with_preview_open", ({override, override_rewire}) => {
         show_button_spinner_called = true;
     });
 
-    page_params.user_id = new_user.user_id;
+    current_user.user_id = new_user.user_id;
 
     // Test sending a message with content.
     compose_state.set_message_type("stream");
diff --git a/web/tests/compose_validate.test.js b/web/tests/compose_validate.test.js
index 45188bb581..bb51100c2e 100644
--- a/web/tests/compose_validate.test.js
+++ b/web/tests/compose_validate.test.js
@@ -8,7 +8,7 @@ const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test, noop} = require("./lib/test");
 const blueslip = require("./lib/zblueslip");
 const $ = require("./lib/zjquery");
-const {page_params} = require("./lib/zpage_params");
+const {current_user, page_params} = require("./lib/zpage_params");
 
 const channel = mock_esm("../src/channel");
 const compose_banner = zrequire("compose_banner");
@@ -318,21 +318,21 @@ test_ui("get_invalid_recipient_emails", ({override_rewire}) => {
         full_name: "Welcome Bot",
     };
 
-    page_params.user_id = me.user_id;
+    current_user.user_id = me.user_id;
 
     const params = {};
     params.realm_users = [];
     params.realm_non_active_users = [];
     params.cross_realm_bots = [welcome_bot];
 
-    people.initialize(page_params.user_id, params);
+    people.initialize(current_user.user_id, params);
 
     override_rewire(compose_state, "private_message_recipient", () => "welcome-bot@example.com");
     assert.deepEqual(compose_validate.get_invalid_recipient_emails(), []);
 });
 
 test_ui("test_stream_wildcard_mention_allowed", ({override_rewire}) => {
-    page_params.user_id = me.user_id;
+    current_user.user_id = me.user_id;
 
     // First, check for large streams (>15 subscribers) where the wildcard mention
     // policy matters.
@@ -340,50 +340,50 @@ test_ui("test_stream_wildcard_mention_allowed", ({override_rewire}) => {
 
     page_params.realm_wildcard_mention_policy =
         settings_config.wildcard_mention_policy_values.by_everyone.code;
-    page_params.is_guest = true;
-    page_params.is_admin = false;
+    current_user.is_guest = true;
+    current_user.is_admin = false;
     assert.ok(compose_validate.stream_wildcard_mention_allowed());
 
     page_params.realm_wildcard_mention_policy =
         settings_config.wildcard_mention_policy_values.nobody.code;
-    page_params.is_admin = true;
+    current_user.is_admin = true;
     assert.ok(!compose_validate.stream_wildcard_mention_allowed());
 
     page_params.realm_wildcard_mention_policy =
         settings_config.wildcard_mention_policy_values.by_members.code;
-    page_params.is_guest = true;
-    page_params.is_admin = false;
+    current_user.is_guest = true;
+    current_user.is_admin = false;
     assert.ok(!compose_validate.stream_wildcard_mention_allowed());
 
-    page_params.is_guest = false;
+    current_user.is_guest = false;
     assert.ok(compose_validate.stream_wildcard_mention_allowed());
 
     page_params.realm_wildcard_mention_policy =
         settings_config.wildcard_mention_policy_values.by_moderators_only.code;
-    page_params.is_moderator = false;
+    current_user.is_moderator = false;
     assert.ok(!compose_validate.stream_wildcard_mention_allowed());
 
-    page_params.is_moderator = true;
+    current_user.is_moderator = true;
     assert.ok(compose_validate.stream_wildcard_mention_allowed());
 
     page_params.realm_wildcard_mention_policy =
         settings_config.wildcard_mention_policy_values.by_admins_only.code;
-    page_params.is_admin = false;
+    current_user.is_admin = false;
     assert.ok(!compose_validate.stream_wildcard_mention_allowed());
 
     // TODO: Add a by_admins_only case when we implement stream-level administrators.
 
-    page_params.is_admin = true;
+    current_user.is_admin = true;
     assert.ok(compose_validate.stream_wildcard_mention_allowed());
 
     page_params.realm_wildcard_mention_policy =
         settings_config.wildcard_mention_policy_values.by_full_members.code;
-    const person = people.get_by_user_id(page_params.user_id);
+    const person = people.get_by_user_id(current_user.user_id);
     person.date_joined = new Date(Date.now());
     page_params.realm_waiting_period_threshold = 10;
 
     assert.ok(compose_validate.stream_wildcard_mention_allowed());
-    page_params.is_admin = false;
+    current_user.is_admin = false;
     assert.ok(!compose_validate.stream_wildcard_mention_allowed());
 
     // Now, check for small streams (<=15 subscribers) where the wildcard mention
@@ -391,8 +391,8 @@ test_ui("test_stream_wildcard_mention_allowed", ({override_rewire}) => {
     override_rewire(peer_data, "get_subscriber_count", () => 14);
     page_params.realm_wildcard_mention_policy =
         settings_config.wildcard_mention_policy_values.by_admins_only.code;
-    page_params.is_admin = false;
-    page_params.is_guest = true;
+    current_user.is_admin = false;
+    current_user.is_guest = true;
     assert.ok(compose_validate.stream_wildcard_mention_allowed());
 });
 
@@ -402,7 +402,7 @@ test_ui("validate_stream_message", ({override_rewire, mock_template}) => {
     // we are separating it up in different test. Though their relative position
     // of execution should not be changed.
     mock_banners();
-    page_params.user_id = me.user_id;
+    current_user.user_id = me.user_id;
     page_params.realm_mandatory_topics = false;
 
     const special_sub = {
@@ -452,7 +452,7 @@ test_ui("test_validate_stream_message_post_policy_admin_only", ({mock_template})
     // Although the position with respect to test_validate_stream_message does not matter
     // as different stream is used for this test.
     mock_banners();
-    page_params.is_admin = false;
+    current_user.is_admin = false;
     const sub_stream_102 = {
         stream_id: 102,
         name: "stream102",
@@ -482,8 +482,8 @@ test_ui("test_validate_stream_message_post_policy_admin_only", ({mock_template})
     // Reset error message.
     compose_state.set_stream_id(social_sub.stream_id);
 
-    page_params.is_admin = false;
-    page_params.is_guest = true;
+    current_user.is_admin = false;
+    current_user.is_guest = true;
 
     compose_state.topic("topic102");
     compose_state.set_stream_id(sub_stream_102.stream_id);
@@ -495,9 +495,9 @@ test_ui("test_validate_stream_message_post_policy_admin_only", ({mock_template})
 test_ui("test_validate_stream_message_post_policy_moderators_only", ({mock_template}) => {
     mock_banners();
 
-    page_params.is_admin = false;
-    page_params.is_moderator = false;
-    page_params.is_guest = false;
+    current_user.is_admin = false;
+    current_user.is_moderator = false;
+    current_user.is_guest = false;
 
     const sub = {
         stream_id: 104,
@@ -526,15 +526,15 @@ test_ui("test_validate_stream_message_post_policy_moderators_only", ({mock_templ
     // Reset error message.
     compose_state.set_stream_id(social_sub.stream_id);
 
-    page_params.is_guest = true;
+    current_user.is_guest = true;
     assert.ok(!compose_validate.validate());
     assert.ok(banner_rendered);
 });
 
 test_ui("test_validate_stream_message_post_policy_full_members_only", ({mock_template}) => {
     mock_banners();
-    page_params.is_admin = false;
-    page_params.is_guest = true;
+    current_user.is_admin = false;
+    current_user.is_guest = true;
     const sub = {
         stream_id: 103,
         name: "stream103",
diff --git a/web/tests/compose_video.test.js b/web/tests/compose_video.test.js
index de7fe4b3a9..e2ef7eb79c 100644
--- a/web/tests/compose_video.test.js
+++ b/web/tests/compose_video.test.js
@@ -6,7 +6,7 @@ const events = require("./lib/events");
 const {mock_esm, set_global, with_overrides, zrequire} = require("./lib/namespace");
 const {run_test, noop} = require("./lib/test");
 const $ = require("./lib/zjquery");
-const {page_params} = require("./lib/zpage_params");
+const {current_user, page_params} = require("./lib/zpage_params");
 
 const channel = mock_esm("../src/channel");
 const compose_closed_ui = mock_esm("../src/compose_closed_ui");
@@ -171,7 +171,7 @@ test("videos", ({override}) => {
         });
 
         page_params.realm_video_chat_provider = realm_available_video_chat_providers.zoom.id;
-        page_params.has_zoom_token = false;
+        current_user.has_zoom_token = false;
 
         window.open = (url) => {
             assert.ok(url.endsWith("/calls/zoom/register"));
diff --git a/web/tests/composebox_typeahead.test.js b/web/tests/composebox_typeahead.test.js
index d4b95d56c2..44fc13fb55 100644
--- a/web/tests/composebox_typeahead.test.js
+++ b/web/tests/composebox_typeahead.test.js
@@ -7,7 +7,7 @@ const {mock_banners} = require("./lib/compose_banner");
 const {mock_esm, set_global, with_overrides, zrequire} = require("./lib/namespace");
 const {run_test, noop} = require("./lib/test");
 const $ = require("./lib/zjquery");
-const {page_params, user_settings} = require("./lib/zpage_params");
+const {current_user, page_params, user_settings} = require("./lib/zpage_params");
 
 let autosize_called;
 
@@ -1609,7 +1609,7 @@ test("content_highlighter", ({override_rewire}) => {
 test("filter_and_sort_mentions (normal)", () => {
     compose_state.set_message_type("stream");
     const is_silent = false;
-    page_params.user_id = 101;
+    current_user.user_id = 101;
     let suggestions = ct.filter_and_sort_mentions(is_silent, "al");
 
     const mention_all = ct.broadcast_mentions()[0];
@@ -1617,14 +1617,14 @@ test("filter_and_sort_mentions (normal)", () => {
 
     // call_center group is shown in typeahead even when user is member of
     // one of the subgroups of can_mention_group.
-    page_params.user_id = 104;
+    current_user.user_id = 104;
     suggestions = ct.filter_and_sort_mentions(is_silent, "al");
     assert.deepEqual(suggestions, [mention_all, ali, alice, hal, call_center]);
 
     // call_center group is not shown in typeahead when user is neither
     // a direct member of can_mention_group nor a member of any of its
     // recursive subgroups.
-    page_params.user_id = 102;
+    current_user.user_id = 102;
     suggestions = ct.filter_and_sort_mentions(is_silent, "al");
     assert.deepEqual(suggestions, [mention_all, ali, alice, hal]);
 });
@@ -1639,7 +1639,7 @@ test("filter_and_sort_mentions (silent)", () => {
     // call_center group is shown in typeahead irrespective of whether
     // user is member of can_mention_group or its subgroups for a
     // silent mention.
-    page_params.user_id = 102;
+    current_user.user_id = 102;
     suggestions = ct.filter_and_sort_mentions(is_silent, "al");
     assert.deepEqual(suggestions, [ali, alice, hal, call_center]);
 });
@@ -1750,7 +1750,7 @@ test("typeahead_results", () => {
     // Earlier user group and stream mentions were autocompleted by their
     // description too. This is now removed as it often led to unexpected
     // behaviour, and did not have any great discoverability advantage.
-    page_params.user_id = 101;
+    current_user.user_id = 101;
     // Autocomplete user group mentions by group name.
     assert_mentions_matches("hamletchar", [hamletcharacters]);
 
diff --git a/web/tests/dispatch.test.js b/web/tests/dispatch.test.js
index dc333d8590..93f755dbce 100644
--- a/web/tests/dispatch.test.js
+++ b/web/tests/dispatch.test.js
@@ -8,7 +8,12 @@ const {make_stub} = require("./lib/stub");
 const {run_test, noop} = require("./lib/test");
 const blueslip = require("./lib/zblueslip");
 const $ = require("./lib/zjquery");
-const {page_params, realm_user_settings_defaults, user_settings} = require("./lib/zpage_params");
+const {
+    current_user,
+    page_params,
+    realm_user_settings_defaults,
+    user_settings,
+} = require("./lib/zpage_params");
 
 const event_fixtures = events.fixtures;
 const test_message = events.test_message;
@@ -108,7 +113,7 @@ message_lists.all_rendered_message_lists = () => [message_lists.home, message_li
 // page_params is highly coupled to dispatching now
 
 page_params.test_suite = false;
-page_params.is_admin = true;
+current_user.is_admin = true;
 page_params.realm_description = "already set description";
 
 // For data-oriented modules, just use them, don't stub them.
@@ -303,11 +308,11 @@ run_test("default_streams", ({override}) => {
 });
 
 run_test("onboarding_steps", ({override}) => {
-    page_params.onboarding_steps = [];
+    current_user.onboarding_steps = [];
     const event = event_fixtures.onboarding_steps;
     override(hotspots, "load_new", noop);
     dispatch(event);
-    assert_same(page_params.onboarding_steps, event.onboarding_steps);
+    assert_same(current_user.onboarding_steps, event.onboarding_steps);
 });
 
 run_test("invites_changed", ({override}) => {
@@ -414,7 +419,7 @@ run_test("scheduled_messages", ({override}) => {
 });
 
 run_test("realm settings", ({override}) => {
-    page_params.is_admin = true;
+    current_user.is_admin = true;
     page_params.realm_date_created = new Date("2023-01-01Z");
 
     override(settings_org, "sync_realm_settings", noop);
@@ -772,7 +777,7 @@ run_test("submessage", ({override}) => {
 
 run_test("typing", ({override}) => {
     // Simulate that we are not typing.
-    page_params.user_id = typing_person1.user_id + 1;
+    current_user.user_id = typing_person1.user_id + 1;
 
     let event = event_fixtures.typing__start;
     {
@@ -795,10 +800,10 @@ run_test("typing", ({override}) => {
     }
 
     // Get line coverage--we ignore our own typing events.
-    page_params.user_id = typing_person1.user_id;
+    current_user.user_id = typing_person1.user_id;
     event = event_fixtures.typing__start;
     dispatch(event);
-    page_params.user_id = undefined; // above change shouldn't effect stream_typing tests below
+    current_user.user_id = undefined; // above change shouldn't effect stream_typing tests below
 });
 
 run_test("stream_typing", ({override}) => {
diff --git a/web/tests/echo.test.js b/web/tests/echo.test.js
index 80b72d7a2a..fa6a65acbc 100644
--- a/web/tests/echo.test.js
+++ b/web/tests/echo.test.js
@@ -7,7 +7,7 @@ const MockDate = require("mockdate");
 const {mock_esm, zrequire} = require("./lib/namespace");
 const {make_stub} = require("./lib/stub");
 const {run_test, noop} = require("./lib/test");
-const {page_params} = require("./lib/zpage_params");
+const {current_user} = require("./lib/zpage_params");
 
 const compose_notifications = mock_esm("../src/compose_notifications");
 const markdown = mock_esm("../src/markdown");
@@ -124,7 +124,7 @@ run_test("process_from_server for differently rendered messages", ({override}) =
 });
 
 run_test("build_display_recipient", () => {
-    page_params.user_id = 123;
+    current_user.user_id = 123;
 
     const params = {};
     params.realm_users = [
@@ -141,7 +141,7 @@ run_test("build_display_recipient", () => {
     ];
     params.realm_non_active_users = [];
     params.cross_realm_bots = [];
-    people.initialize(page_params.user_id, params);
+    people.initialize(current_user.user_id, params);
 
     let message = {
         type: "stream",
@@ -260,7 +260,7 @@ run_test("insert_local_message streams", ({override}) => {
 run_test("insert_local_message direct message", ({override}) => {
     const local_id_float = 102.01;
 
-    page_params.user_id = 123;
+    current_user.user_id = 123;
 
     const params = {};
     params.realm_users = [
@@ -272,7 +272,7 @@ run_test("insert_local_message direct message", ({override}) => {
     ];
     params.realm_non_active_users = [];
     params.cross_realm_bots = [];
-    people.initialize(page_params.user_id, params);
+    people.initialize(current_user.user_id, params);
 
     let render_called = false;
     let insert_message_called = false;
diff --git a/web/tests/example8.test.js b/web/tests/example8.test.js
index 3594c63549..1676e995fa 100644
--- a/web/tests/example8.test.js
+++ b/web/tests/example8.test.js
@@ -5,7 +5,7 @@ const {strict: assert} = require("assert");
 const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
 const $ = require("./lib/zjquery");
-const {page_params} = require("./lib/zpage_params");
+const {current_user} = require("./lib/zpage_params");
 
 mock_esm("../src/settings_data", {
     user_can_access_all_other_users: () => true,
@@ -78,7 +78,7 @@ run_test("typing_events.render_notifications_for_narrow", ({override, mock_templ
     const $typing_notifications = $("#typing_notifications");
 
     // Narrow to a group direct message with four users.
-    override(page_params, "user_id", anna.user_id);
+    override(current_user, "user_id", anna.user_id);
     const group = [anna.user_id, vronsky.user_id, levin.user_id, kitty.user_id];
     const conversation_key = typing_data.get_direct_message_conversation_key(group);
     const group_emails = `${anna.email},${vronsky.email},${levin.email},${kitty.email}`;
diff --git a/web/tests/i18n.test.js b/web/tests/i18n.test.js
index dc395a0b06..ed8dc992b8 100644
--- a/web/tests/i18n.test.js
+++ b/web/tests/i18n.test.js
@@ -93,10 +93,11 @@ run_test("tr_tag", ({mock_template}) => {
             settings: {},
         },
         notification_settings: {},
-        page_params: {
+        current_user: {
             full_name: "John Doe",
             delivery_email: "john@zulip.com",
         },
+        page_params: {},
         settings_object: {},
         settings_label: {
             desktop_icon_count_display:
diff --git a/web/tests/lib/index.js b/web/tests/lib/index.js
index 4b8aee61df..f1c710778a 100644
--- a/web/tests/lib/index.js
+++ b/web/tests/lib/index.js
@@ -122,6 +122,8 @@ test.set_verbose(files.length === 1);
         require("../../src/billing/page_params");
         namespace.mock_esm("../../src/page_params", zpage_params);
         require("../../src/page_params");
+        namespace.mock_esm("../../src/state_data", zpage_params);
+        require("../../src/state_data");
         namespace.mock_esm("../../src/user_settings", zpage_params);
         require("../../src/user_settings");
         namespace.mock_esm("../../src/realm_user_settings_defaults", zpage_params);
diff --git a/web/tests/lib/zpage_params.js b/web/tests/lib/zpage_params.js
index 4589c0a1d2..6f291cbc58 100644
--- a/web/tests/lib/zpage_params.js
+++ b/web/tests/lib/zpage_params.js
@@ -1,10 +1,16 @@
 "use strict";
 
+exports.current_user = {};
 exports.page_params = {};
 exports.realm_user_settings_defaults = {};
 exports.user_settings = {};
 
 exports.reset = () => {
+    for (const field in exports.current_user) {
+        if (Object.hasOwn(exports.current_user, field)) {
+            delete exports.current_user[field];
+        }
+    }
     for (const field in exports.page_params) {
         if (Object.hasOwn(exports.page_params, field)) {
             delete exports.page_params[field];
diff --git a/web/tests/message_edit.test.js b/web/tests/message_edit.test.js
index 63315d74b5..570e1bef18 100644
--- a/web/tests/message_edit.test.js
+++ b/web/tests/message_edit.test.js
@@ -4,7 +4,7 @@ const {strict: assert} = require("assert");
 
 const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
-const {page_params} = require("./lib/zpage_params");
+const {current_user, page_params} = require("./lib/zpage_params");
 
 page_params.realm_move_messages_within_stream_limit_seconds = 259200;
 
@@ -92,7 +92,7 @@ run_test("is_topic_editable", ({override}) => {
     };
     page_params.realm_allow_message_editing = true;
     override(settings_data, "user_can_move_messages_to_another_topic", () => true);
-    page_params.is_admin = true;
+    current_user.is_admin = true;
 
     assert.equal(message_edit.is_topic_editable(message), false);
 
@@ -109,7 +109,7 @@ run_test("is_topic_editable", ({override}) => {
     override(settings_data, "user_can_move_messages_to_another_topic", () => false);
     assert.equal(message_edit.is_topic_editable(message), false);
 
-    page_params.is_admin = false;
+    current_user.is_admin = false;
     assert.equal(message_edit.is_topic_editable(message), false);
 
     message.topic = "translated: (no topic)";
@@ -128,7 +128,7 @@ run_test("is_topic_editable", ({override}) => {
     message.timestamp = current_timestamp - 600000;
     assert.equal(message_edit.is_topic_editable(message), false);
 
-    page_params.is_moderator = true;
+    current_user.is_moderator = true;
     assert.equal(message_edit.is_topic_editable(message), true);
 
     page_params.realm_allow_message_editing = false;
@@ -146,7 +146,7 @@ run_test("is_stream_editable", ({override}) => {
     };
     page_params.realm_allow_message_editing = true;
     override(settings_data, "user_can_move_messages_between_streams", () => true);
-    page_params.is_admin = true;
+    current_user.is_admin = true;
 
     assert.equal(message_edit.is_stream_editable(message), false);
 
@@ -163,7 +163,7 @@ run_test("is_stream_editable", ({override}) => {
     override(settings_data, "user_can_move_messages_between_streams", () => false);
     assert.equal(message_edit.is_stream_editable(message), false);
 
-    page_params.is_admin = false;
+    current_user.is_admin = false;
     assert.equal(message_edit.is_stream_editable(message), false);
 
     page_params.realm_move_messages_between_streams_limit_seconds = 259200;
@@ -175,12 +175,12 @@ run_test("is_stream_editable", ({override}) => {
     message.timestamp = current_timestamp - 600000;
     assert.equal(message_edit.is_stream_editable(message), false);
 
-    page_params.is_moderator = true;
+    current_user.is_moderator = true;
     assert.equal(message_edit.is_stream_editable(message), true);
 });
 
 run_test("get_deletability", ({override}) => {
-    page_params.is_admin = true;
+    current_user.is_admin = true;
     override(settings_data, "user_can_delete_own_message", () => false);
     page_params.realm_message_content_delete_limit_seconds = null;
     const test_user = {
@@ -208,7 +208,7 @@ run_test("get_deletability", ({override}) => {
     assert.equal(message_edit.get_deletability(message), true);
 
     // Non-admin can't delete message sent by others
-    page_params.is_admin = false;
+    current_user.is_admin = false;
     assert.equal(message_edit.get_deletability(message), false);
 
     // Locally echoed messages are not deletable
diff --git a/web/tests/message_list.test.js b/web/tests/message_list.test.js
index 54649e07dd..df7d26592e 100644
--- a/web/tests/message_list.test.js
+++ b/web/tests/message_list.test.js
@@ -7,7 +7,7 @@ const {make_stub} = require("./lib/stub");
 const {run_test} = require("./lib/test");
 const blueslip = require("./lib/zblueslip");
 const $ = require("./lib/zjquery");
-const {page_params} = require("./lib/zpage_params");
+const {current_user} = require("./lib/zpage_params");
 
 // These unit tests for web/src/message_list.js emphasize the model-ish
 // aspects of the MessageList class.  We have to stub out a few functions
@@ -245,7 +245,7 @@ run_test("last_sent_by_me", () => {
     ];
 
     list.append(items);
-    page_params.user_id = 3;
+    current_user.user_id = 3;
     // Look for the last message where user_id == 3 (our ID)
     assert.equal(list.get_last_message_sent_by_me().id, 2);
 });
diff --git a/web/tests/message_store.test.js b/web/tests/message_store.test.js
index fd2c428798..b34e181b4e 100644
--- a/web/tests/message_store.test.js
+++ b/web/tests/message_store.test.js
@@ -5,7 +5,7 @@ const {strict: assert} = require("assert");
 const {mock_esm, set_global, zrequire} = require("./lib/namespace");
 const {run_test, noop} = require("./lib/test");
 const blueslip = require("./lib/zblueslip");
-const {page_params} = require("./lib/zpage_params");
+const {current_user, page_params} = require("./lib/zpage_params");
 
 mock_esm("../src/stream_topic_history", {
     add_message: noop,
@@ -18,7 +18,7 @@ mock_esm("../src/recent_senders", {
 
 set_global("document", "document-stub");
 page_params.realm_allow_message_editing = true;
-page_params.is_admin = true;
+current_user.is_admin = true;
 
 const util = zrequire("util");
 const people = zrequire("people");
diff --git a/web/tests/navbar_alerts.test.js b/web/tests/navbar_alerts.test.js
index 2ec557d4de..5f07ea5d2a 100644
--- a/web/tests/navbar_alerts.test.js
+++ b/web/tests/navbar_alerts.test.js
@@ -6,7 +6,7 @@ const {addDays} = require("date-fns");
 
 const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
-const {page_params} = require("./lib/zpage_params");
+const {current_user, page_params} = require("./lib/zpage_params");
 
 page_params.is_spectator = false;
 
@@ -68,16 +68,16 @@ test("profile_incomplete_alert", ({override}) => {
     override(timerender, "should_display_profile_incomplete_alert", () => true);
 
     // Show alert.
-    page_params.is_admin = true;
+    current_user.is_admin = true;
     page_params.realm_description = "Organization imported from Slack!";
     assert.equal(navbar_alerts.check_profile_incomplete(), true);
 
     // Avoid showing if the user is not admin.
-    page_params.is_admin = false;
+    current_user.is_admin = false;
     assert.equal(navbar_alerts.check_profile_incomplete(), false);
 
     // Avoid showing if the realm description is already updated.
-    page_params.is_admin = true;
+    current_user.is_admin = true;
     assert.equal(navbar_alerts.check_profile_incomplete(), true);
     page_params.realm_description = "Organization description already set!";
     assert.equal(navbar_alerts.check_profile_incomplete(), false);
diff --git a/web/tests/notifications.test.js b/web/tests/notifications.test.js
index d93ade929f..39311fb4c4 100644
--- a/web/tests/notifications.test.js
+++ b/web/tests/notifications.test.js
@@ -5,7 +5,7 @@ const {strict: assert} = require("assert");
 const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
 const $ = require("./lib/zjquery");
-const {page_params, user_settings} = require("./lib/zpage_params");
+const {current_user, page_params, user_settings} = require("./lib/zpage_params");
 
 mock_esm("../src/spoilers", {hide_spoilers_in_notification() {}});
 
@@ -50,7 +50,7 @@ user_topics.update_user_topics(
 
 function test(label, f) {
     run_test(label, (helpers) => {
-        page_params.is_admin = false;
+        current_user.is_admin = false;
         page_params.realm_users = [];
         user_settings.enable_followed_topic_desktop_notifications = true;
         user_settings.enable_followed_topic_audible_notifications = true;
diff --git a/web/tests/peer_data.test.js b/web/tests/peer_data.test.js
index 211c29556f..7324f4e965 100644
--- a/web/tests/peer_data.test.js
+++ b/web/tests/peer_data.test.js
@@ -11,15 +11,15 @@ const {strict: assert} = require("assert");
 const {zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
 const blueslip = require("./lib/zblueslip");
-const {page_params} = require("./lib/zpage_params");
+const {current_user, page_params} = require("./lib/zpage_params");
 
 const peer_data = zrequire("peer_data");
 const people = zrequire("people");
 const stream_data = zrequire("stream_data");
 
-page_params.is_admin = false;
+current_user.is_admin = false;
 page_params.realm_users = [];
-page_params.is_guest = false;
+current_user.is_guest = false;
 
 const me = {
     email: "me@zulip.com",
diff --git a/web/tests/people.test.js b/web/tests/people.test.js
index c047731212..87f19efad3 100644
--- a/web/tests/people.test.js
+++ b/web/tests/people.test.js
@@ -10,7 +10,7 @@ const {$t} = require("./lib/i18n");
 const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
 const blueslip = require("./lib/zblueslip");
-const {page_params, user_settings} = require("./lib/zpage_params");
+const {current_user, page_params, user_settings} = require("./lib/zpage_params");
 
 const message_user_ids = mock_esm("../src/message_user_ids");
 const settings_data = mock_esm("../src/settings_data", {
@@ -698,11 +698,11 @@ test_people("set_custom_profile_field_data", () => {
 test_people("is_current_user_only_owner", () => {
     const person = people.get_by_email(me.email);
     person.is_owner = false;
-    page_params.is_owner = false;
+    current_user.is_owner = false;
     assert.ok(!people.is_current_user_only_owner());
 
     person.is_owner = true;
-    page_params.is_owner = true;
+    current_user.is_owner = true;
     assert.ok(people.is_current_user_only_owner());
 
     people.add_active_user(realm_owner);
@@ -1237,7 +1237,7 @@ test_people("filter_for_user_settings_search", () => {
         so that is where we do more thorough testing.
         This test is just a sanity check for now.
     */
-    page_params.is_admin = false;
+    current_user.is_admin = false;
 
     const fred_smith = {full_name: "Fred Smith"};
     const alice_lee = {full_name: "Alice Lee"};
@@ -1256,12 +1256,12 @@ test_people("filter_for_user_settings_search", () => {
 test_people("matches_user_settings_search", () => {
     const match = people.matches_user_settings_search;
 
-    page_params.is_admin = false;
+    current_user.is_admin = false;
 
     assert.equal(match({email: "fred@example.com"}, "fred"), false);
     assert.equal(match({full_name: "Fred Smith"}, "fr"), true);
 
-    page_params.is_admin = true;
+    current_user.is_admin = true;
 
     assert.equal(match({delivery_email: "fred@example.com"}, "fr"), true);
     assert.equal(
diff --git a/web/tests/reactions.test.js b/web/tests/reactions.test.js
index 212a64b760..b25d9ee303 100644
--- a/web/tests/reactions.test.js
+++ b/web/tests/reactions.test.js
@@ -7,7 +7,7 @@ const {make_stub} = require("./lib/stub");
 const {run_test, noop} = require("./lib/test");
 const blueslip = require("./lib/zblueslip");
 const $ = require("./lib/zjquery");
-const {page_params, user_settings} = require("./lib/zpage_params");
+const {current_user, page_params, user_settings} = require("./lib/zpage_params");
 
 const alice_user_id = 5;
 
@@ -108,7 +108,7 @@ people.add_active_user(alexus);
 
 function test(label, f) {
     run_test(label, (helpers) => {
-        page_params.user_id = alice_user_id;
+        current_user.user_id = alice_user_id;
         f(helpers);
     });
 }
diff --git a/web/tests/search_suggestion.test.js b/web/tests/search_suggestion.test.js
index 354890d1bc..b58bfaa67f 100644
--- a/web/tests/search_suggestion.test.js
+++ b/web/tests/search_suggestion.test.js
@@ -4,7 +4,7 @@ const {strict: assert} = require("assert");
 
 const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test, noop} = require("./lib/test");
-const {page_params} = require("./lib/zpage_params");
+const {current_user, page_params} = require("./lib/zpage_params");
 
 const narrow_state = mock_esm("../src/narrow_state");
 const stream_topic_history_util = mock_esm("../src/stream_topic_history_util");
@@ -52,7 +52,7 @@ const jeff = {
 const example_avatar_url = "http://example.com/example.png";
 
 function init() {
-    page_params.is_admin = true;
+    current_user.is_admin = true;
 
     people.init();
     people.add_active_user(bob);
diff --git a/web/tests/settings_bots.test.js b/web/tests/settings_bots.test.js
index 3251a68f70..319d5ba216 100644
--- a/web/tests/settings_bots.test.js
+++ b/web/tests/settings_bots.test.js
@@ -4,7 +4,7 @@ const {strict: assert} = require("assert");
 
 const {zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
-const {page_params} = require("./lib/zpage_params");
+const {current_user, page_params} = require("./lib/zpage_params");
 
 const bot_data_params = {
     realm_bots: [
@@ -92,10 +92,10 @@ test("generate_botserverrc_content", () => {
 });
 
 test("can_create_new_bots", () => {
-    page_params.is_admin = true;
+    current_user.is_admin = true;
     assert.ok(settings_bots.can_create_new_bots());
 
-    page_params.is_admin = false;
+    current_user.is_admin = false;
     page_params.realm_bot_creation_policy = 1;
     assert.ok(settings_bots.can_create_new_bots());
 
diff --git a/web/tests/settings_data.test.js b/web/tests/settings_data.test.js
index 0c126d494f..237be32218 100644
--- a/web/tests/settings_data.test.js
+++ b/web/tests/settings_data.test.js
@@ -4,7 +4,7 @@ const {strict: assert} = require("assert");
 
 const {zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
-const {page_params, user_settings} = require("./lib/zpage_params");
+const {current_user, page_params, user_settings} = require("./lib/zpage_params");
 
 const settings_data = zrequire("settings_data");
 const settings_config = zrequire("settings_config");
@@ -27,10 +27,10 @@ const isaac = {
 run_test("user_can_change_email", () => {
     const can_change_email = settings_data.user_can_change_email;
 
-    page_params.is_admin = true;
+    current_user.is_admin = true;
     assert.equal(can_change_email(), true);
 
-    page_params.is_admin = false;
+    current_user.is_admin = false;
     page_params.realm_email_changes_disabled = true;
     assert.equal(can_change_email(), false);
 
@@ -41,10 +41,10 @@ run_test("user_can_change_email", () => {
 run_test("user_can_change_name", () => {
     const can_change_name = settings_data.user_can_change_name;
 
-    page_params.is_admin = true;
+    current_user.is_admin = true;
     assert.equal(can_change_name(), true);
 
-    page_params.is_admin = false;
+    current_user.is_admin = false;
     page_params.realm_name_changes_disabled = true;
     page_params.server_name_changes_disabled = false;
     assert.equal(can_change_name(), false);
@@ -61,10 +61,10 @@ run_test("user_can_change_name", () => {
 run_test("user_can_change_avatar", () => {
     const can_change_avatar = settings_data.user_can_change_avatar;
 
-    page_params.is_admin = true;
+    current_user.is_admin = true;
     assert.equal(can_change_avatar(), true);
 
-    page_params.is_admin = false;
+    current_user.is_admin = false;
     page_params.realm_avatar_changes_disabled = true;
     page_params.server_avatar_changes_disabled = false;
     assert.equal(can_change_avatar(), false);
@@ -81,44 +81,44 @@ run_test("user_can_change_avatar", () => {
 run_test("user_can_change_logo", () => {
     const can_change_logo = settings_data.user_can_change_logo;
 
-    page_params.is_admin = true;
+    current_user.is_admin = true;
     page_params.zulip_plan_is_not_limited = true;
     assert.equal(can_change_logo(), true);
 
-    page_params.is_admin = false;
+    current_user.is_admin = false;
     page_params.zulip_plan_is_not_limited = false;
     assert.equal(can_change_logo(), false);
 
-    page_params.is_admin = true;
+    current_user.is_admin = true;
     page_params.zulip_plan_is_not_limited = false;
     assert.equal(can_change_logo(), false);
 
-    page_params.is_admin = false;
+    current_user.is_admin = false;
     page_params.zulip_plan_is_not_limited = true;
     assert.equal(can_change_logo(), false);
 });
 
 function test_policy(label, policy, validation_func) {
     run_test(label, () => {
-        page_params.is_admin = true;
+        current_user.is_admin = true;
         page_params[policy] = settings_config.common_policy_values.by_admins_only.code;
         assert.equal(validation_func(), true);
 
-        page_params.is_admin = false;
+        current_user.is_admin = false;
         assert.equal(validation_func(), false);
 
-        page_params.is_moderator = true;
+        current_user.is_moderator = true;
         page_params[policy] = settings_config.common_policy_values.by_moderators_only.code;
         assert.equal(validation_func(), true);
 
-        page_params.is_moderator = false;
+        current_user.is_moderator = false;
         assert.equal(validation_func(), false);
 
-        page_params.is_guest = true;
+        current_user.is_guest = true;
         page_params[policy] = settings_config.common_policy_values.by_members.code;
         assert.equal(validation_func(), false);
 
-        page_params.is_guest = false;
+        current_user.is_guest = false;
         assert.equal(validation_func(), true);
 
         page_params.is_spectator = true;
@@ -129,7 +129,7 @@ function test_policy(label, policy, validation_func) {
         assert.equal(validation_func(), true);
 
         page_params[policy] = settings_config.common_policy_values.by_full_members.code;
-        page_params.user_id = 30;
+        current_user.user_id = 30;
         isaac.date_joined = new Date(Date.now());
         settings_data.initialize(isaac.date_joined);
         page_params.realm_waiting_period_threshold = 10;
@@ -179,32 +179,32 @@ test_policy(
 
 function test_message_policy(label, policy, validation_func) {
     run_test(label, () => {
-        page_params.is_admin = true;
+        current_user.is_admin = true;
         page_params[policy] = settings_config.common_message_policy_values.by_admins_only.code;
         assert.equal(validation_func(), true);
 
-        page_params.is_admin = false;
-        page_params.is_moderator = true;
+        current_user.is_admin = false;
+        current_user.is_moderator = true;
         assert.equal(validation_func(), false);
 
         page_params[policy] = settings_config.common_message_policy_values.by_moderators_only.code;
         assert.equal(validation_func(), true);
 
-        page_params.is_moderator = false;
+        current_user.is_moderator = false;
         assert.equal(validation_func(), false);
 
-        page_params.is_guest = true;
+        current_user.is_guest = true;
         page_params[policy] = settings_config.common_message_policy_values.by_everyone.code;
         assert.equal(validation_func(), true);
 
         page_params[policy] = settings_config.common_message_policy_values.by_members.code;
         assert.equal(validation_func(), false);
 
-        page_params.is_guest = false;
+        current_user.is_guest = false;
         assert.equal(validation_func(), true);
 
         page_params[policy] = settings_config.common_message_policy_values.by_full_members.code;
-        page_params.user_id = 30;
+        current_user.user_id = 30;
         isaac.date_joined = new Date(Date.now());
         page_params.realm_waiting_period_threshold = 10;
         settings_data.initialize(isaac.date_joined);
@@ -223,15 +223,15 @@ test_message_policy(
 );
 
 run_test("user_can_move_messages_to_another_topic_nobody_case", () => {
-    page_params.is_admin = true;
-    page_params.is_guest = false;
+    current_user.is_admin = true;
+    current_user.is_guest = false;
     page_params.realm_edit_topic_policy = settings_config.edit_topic_policy_values.nobody.code;
     assert.equal(settings_data.user_can_move_messages_to_another_topic(), false);
 });
 
 run_test("user_can_move_messages_between_streams_nobody_case", () => {
-    page_params.is_admin = true;
-    page_params.is_guest = false;
+    current_user.is_admin = true;
+    current_user.is_guest = false;
     page_params.realm_move_messages_between_streams_policy =
         settings_config.move_messages_between_streams_policy_values.nobody.code;
     assert.equal(settings_data.user_can_move_messages_between_streams(), false);
@@ -266,15 +266,15 @@ run_test("using_dark_theme", () => {
 });
 
 run_test("user_can_invite_others_to_realm_nobody_case", () => {
-    page_params.is_admin = true;
-    page_params.is_guest = false;
+    current_user.is_admin = true;
+    current_user.is_guest = false;
     page_params.realm_invite_to_realm_policy =
         settings_config.email_invite_to_realm_policy_values.nobody.code;
     assert.equal(settings_data.user_can_invite_users_by_email(), false);
 });
 
 run_test("user_can_create_web_public_streams", () => {
-    page_params.is_owner = true;
+    current_user.is_owner = true;
     page_params.server_web_public_streams_enabled = true;
     page_params.realm_enable_spectator_access = true;
     page_params.realm_create_web_public_stream_policy =
@@ -299,37 +299,37 @@ run_test("user_can_create_web_public_streams", () => {
 
     page_params.realm_enable_spectator_access = true;
     page_params.server_web_public_streams_enabled = true;
-    page_params.is_owner = false;
-    page_params.is_admin = true;
+    current_user.is_owner = false;
+    current_user.is_admin = true;
     assert.equal(settings_data.user_can_create_web_public_streams(), false);
 
     page_params.realm_create_web_public_stream_policy =
         settings_config.create_web_public_stream_policy_values.by_admins_only.code;
     assert.equal(settings_data.user_can_create_web_public_streams(), true);
 
-    page_params.is_admin = false;
-    page_params.is_moderator = true;
+    current_user.is_admin = false;
+    current_user.is_moderator = true;
     assert.equal(settings_data.user_can_create_web_public_streams(), false);
 
     page_params.realm_create_web_public_stream_policy =
         settings_config.create_web_public_stream_policy_values.by_moderators_only.code;
     assert.equal(settings_data.user_can_create_web_public_streams(), true);
 
-    page_params.is_moderator = false;
+    current_user.is_moderator = false;
     assert.equal(settings_data.user_can_create_web_public_streams(), false);
 });
 
 run_test("user_email_not_configured", () => {
     const user_email_not_configured = settings_data.user_email_not_configured;
 
-    page_params.is_owner = false;
+    current_user.is_owner = false;
     assert.equal(user_email_not_configured(), false);
 
-    page_params.is_owner = true;
-    page_params.delivery_email = "";
+    current_user.is_owner = true;
+    current_user.delivery_email = "";
     assert.equal(user_email_not_configured(), true);
 
-    page_params.delivery_email = "name@example.com";
+    current_user.delivery_email = "name@example.com";
     assert.equal(user_email_not_configured(), false);
 });
 
@@ -358,17 +358,17 @@ run_test("user_can_create_multiuse_invite", () => {
     assert.equal(settings_data.user_can_create_multiuse_invite(), false);
 
     page_params.realm_create_multiuse_invite_group = 1;
-    page_params.user_id = admin_user_id;
+    current_user.user_id = admin_user_id;
     assert.equal(settings_data.user_can_create_multiuse_invite(), true);
 
-    page_params.user_id = moderator_user_id;
+    current_user.user_id = moderator_user_id;
     assert.equal(settings_data.user_can_create_multiuse_invite(), false);
 
     page_params.realm_create_multiuse_invite_group = 2;
-    page_params.user_id = moderator_user_id;
+    current_user.user_id = moderator_user_id;
     assert.equal(settings_data.user_can_create_multiuse_invite(), true);
 
-    page_params.user_id = member_user_id;
+    current_user.user_id = member_user_id;
     assert.equal(settings_data.user_can_create_multiuse_invite(), false);
 });
 
@@ -386,21 +386,21 @@ run_test("can_edit_user_group", () => {
         realm_user_groups: [students],
     });
 
-    delete page_params.user_id;
+    delete current_user.user_id;
     assert.ok(!settings_data.can_edit_user_group(students.id));
 
-    page_params.user_id = 3;
-    page_params.is_guest = true;
+    current_user.user_id = 3;
+    current_user.is_guest = true;
     assert.ok(!settings_data.can_edit_user_group(students.id));
 
-    page_params.is_guest = false;
-    page_params.is_moderator = true;
+    current_user.is_guest = false;
+    current_user.is_moderator = true;
     assert.ok(settings_data.can_edit_user_group(students.id));
 
-    page_params.is_moderator = false;
+    current_user.is_moderator = false;
     assert.ok(!settings_data.can_edit_user_group(students.id));
 
-    page_params.user_id = 2;
+    current_user.user_id = 2;
     page_params.realm_waiting_period_threshold = 0;
     assert.ok(settings_data.can_edit_user_group(students.id));
 });
@@ -447,13 +447,13 @@ run_test("user_can_access_all_other_users", () => {
     page_params.realm_can_access_all_users_group = members.id;
 
     // Test spectators case.
-    page_params.user_id = undefined;
+    current_user.user_id = undefined;
     assert.ok(settings_data.user_can_access_all_other_users());
 
-    page_params.user_id = member_user_id;
+    current_user.user_id = member_user_id;
     assert.ok(settings_data.user_can_access_all_other_users());
 
-    page_params.user_id = guest_user_id;
+    current_user.user_id = guest_user_id;
     assert.ok(!settings_data.user_can_access_all_other_users());
 
     page_params.realm_can_access_all_users_group = everyone.id;
diff --git a/web/tests/settings_org.test.js b/web/tests/settings_org.test.js
index 612fe4db58..fd27160f27 100644
--- a/web/tests/settings_org.test.js
+++ b/web/tests/settings_org.test.js
@@ -7,7 +7,7 @@ const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test, noop} = require("./lib/test");
 const blueslip = require("./lib/zblueslip");
 const $ = require("./lib/zjquery");
-const {page_params} = require("./lib/zpage_params");
+const {current_user, page_params} = require("./lib/zpage_params");
 
 const realm_icon = mock_esm("../src/realm_icon");
 
@@ -29,7 +29,7 @@ const dropdown_widget = zrequire("dropdown_widget");
 function test(label, f) {
     run_test(label, (helpers) => {
         $("#realm-icon-upload-widget .upload-spinner-background").css = noop;
-        page_params.is_admin = false;
+        current_user.is_admin = false;
         page_params.realm_domains = [
             {domain: "example.com", allow_subdomains: true},
             {domain: "example.org", allow_subdomains: false},
@@ -634,7 +634,7 @@ test("set_up", ({override, override_rewire}) => {
 
     // TEST set_up() here, but this mostly just allows us to
     // get access to the click handlers.
-    override(page_params, "is_owner", true);
+    override(current_user, "is_owner", true);
     settings_org.set_up();
 
     test_submit_settings_form(
@@ -770,7 +770,7 @@ test("test get_sorted_options_list", () => {
 });
 
 test("misc", () => {
-    page_params.is_admin = false;
+    current_user.is_admin = false;
     $("#user-avatar-upload-widget").length = 1;
     $("#user_details_section").length = 1;
 
@@ -824,7 +824,7 @@ test("misc", () => {
     assert.ok($("#user-avatar-upload-widget .image_upload_button").hasClass("hide"));
 
     // If organization admin, these UI elements are never disabled.
-    page_params.is_admin = true;
+    current_user.is_admin = true;
     settings_account.update_name_change_display();
     assert.ok(!$("#full_name").prop("disabled"));
     assert.ok(!$("#full_name_input_container").hasClass("disabled_setting_tooltip"));
diff --git a/web/tests/settings_profile_fields.test.js b/web/tests/settings_profile_fields.test.js
index 21884c38da..d7a719261b 100644
--- a/web/tests/settings_profile_fields.test.js
+++ b/web/tests/settings_profile_fields.test.js
@@ -5,7 +5,7 @@ const {strict: assert} = require("assert");
 const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test, noop} = require("./lib/test");
 const $ = require("./lib/zjquery");
-const {page_params} = require("./lib/zpage_params");
+const {current_user, page_params} = require("./lib/zpage_params");
 
 const loading = mock_esm("../src/loading");
 
@@ -53,7 +53,7 @@ function test_populate(opts, template_data) {
     const fields_data = opts.fields_data;
 
     page_params.custom_profile_field_types = custom_profile_field_types;
-    page_params.is_admin = opts.is_admin;
+    current_user.is_admin = opts.is_admin;
     const $table = $("#admin_profile_fields_table");
     const $rows = $.create("rows");
     const $form = $.create("forms");
diff --git a/web/tests/stream_create_subscribers_data.test.js b/web/tests/stream_create_subscribers_data.test.js
index 93aa2ba468..98ffc3dfa9 100644
--- a/web/tests/stream_create_subscribers_data.test.js
+++ b/web/tests/stream_create_subscribers_data.test.js
@@ -4,7 +4,7 @@ const {strict: assert} = require("assert");
 
 const {zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
-const {page_params} = require("./lib/zpage_params");
+const {current_user} = require("./lib/zpage_params");
 
 const people = zrequire("people");
 const stream_create_subscribers_data = zrequire("stream_create_subscribers_data");
@@ -35,13 +35,13 @@ const test_user103 = {
 
 function test(label, f) {
     run_test(label, (helpers) => {
-        page_params.is_admin = false;
+        current_user.is_admin = false;
         people.init();
         people.add_active_user(me);
         people.add_active_user(test_user101);
         people.add_active_user(test_user102);
         people.add_active_user(test_user103);
-        page_params.user_id = me.user_id;
+        current_user.user_id = me.user_id;
         people.initialize_current_user(me.user_id);
         f(helpers);
     });
@@ -71,10 +71,10 @@ test("basics", () => {
 });
 
 test("must_be_subscribed", () => {
-    page_params.is_admin = false;
+    current_user.is_admin = false;
     assert.ok(stream_create_subscribers_data.must_be_subscribed(me.user_id));
     assert.ok(!stream_create_subscribers_data.must_be_subscribed(test_user101.user_id));
-    page_params.is_admin = true;
+    current_user.is_admin = true;
     assert.ok(!stream_create_subscribers_data.must_be_subscribed(me.user_id));
     assert.ok(!stream_create_subscribers_data.must_be_subscribed(test_user101.user_id));
 });
diff --git a/web/tests/stream_data.test.js b/web/tests/stream_data.test.js
index f5f0fd6ebe..c3f2124771 100644
--- a/web/tests/stream_data.test.js
+++ b/web/tests/stream_data.test.js
@@ -5,7 +5,7 @@ const {strict: assert} = require("assert");
 const {zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
 const blueslip = require("./lib/zblueslip");
-const {page_params, user_settings} = require("./lib/zpage_params");
+const {current_user, page_params, user_settings} = require("./lib/zpage_params");
 
 // TODO: Remove after we enable support for
 // web_public_streams in production.
@@ -51,9 +51,9 @@ const moderators_group = {
 
 function test(label, f) {
     run_test(label, (helpers) => {
-        page_params.is_admin = false;
+        current_user.is_admin = false;
         page_params.realm_users = [];
-        page_params.is_guest = false;
+        current_user.is_guest = false;
         people.init();
         people.add_active_user(me);
         people.initialize_current_user(me.user_id);
@@ -273,12 +273,12 @@ test("get_streams_for_user", () => {
     ]);
     assert.deepEqual(stream_data.get_streams_for_user(test_user.user_id).can_subscribe, []);
     // Verify can subscribe if we're an administrator.
-    page_params.is_admin = true;
+    current_user.is_admin = true;
     assert.deepEqual(stream_data.get_streams_for_user(test_user.user_id).can_subscribe, [
         world,
         errors,
     ]);
-    page_params.is_admin = false;
+    current_user.is_admin = false;
 
     page_params.realm_invite_to_stream_policy =
         settings_config.common_policy_values.by_members.code;
@@ -341,7 +341,7 @@ test("admin_options", () => {
     }
 
     // non-admins can't do anything
-    page_params.is_admin = false;
+    current_user.is_admin = false;
     let sub = make_sub();
     assert.ok(!is_realm_admin(sub));
     assert.ok(!can_change_stream_permissions(sub));
@@ -350,7 +350,7 @@ test("admin_options", () => {
     assert.equal(sub.color, "blue");
 
     // the remaining cases are for admin users
-    page_params.is_admin = true;
+    current_user.is_admin = true;
 
     // admins can make public streams become private
     sub = make_sub();
@@ -443,7 +443,7 @@ test("stream_settings", () => {
     // For guest user only retrieve subscribed streams
     sub_rows = stream_settings_data.get_updated_unsorted_subs();
     assert.equal(sub_rows.length, 3);
-    page_params.is_guest = true;
+    current_user.is_guest = true;
     sub_rows = stream_settings_data.get_updated_unsorted_subs();
     assert.equal(sub_rows[0].name, "c");
     assert.equal(sub_rows[1].name, "a");
@@ -935,23 +935,23 @@ test("can_post_messages_in_stream", () => {
         history_public_to_subscribers: false,
         stream_post_policy: settings_config.stream_post_policy_values.admins.code,
     };
-    page_params.is_admin = false;
+    current_user.is_admin = false;
     assert.equal(stream_data.can_post_messages_in_stream(social), false);
 
-    page_params.is_admin = true;
+    current_user.is_admin = true;
     assert.equal(stream_data.can_post_messages_in_stream(social), true);
 
     social.stream_post_policy = settings_config.stream_post_policy_values.moderators.code;
-    page_params.is_moderator = false;
-    page_params.is_admin = false;
+    current_user.is_moderator = false;
+    current_user.is_admin = false;
 
     assert.equal(stream_data.can_post_messages_in_stream(social), false);
 
-    page_params.is_moderator = true;
+    current_user.is_moderator = true;
     assert.equal(stream_data.can_post_messages_in_stream(social), true);
 
     social.stream_post_policy = settings_config.stream_post_policy_values.non_new_members.code;
-    page_params.is_moderator = false;
+    current_user.is_moderator = false;
     me.date_joined = new Date(Date.now());
     page_params.realm_waiting_period_threshold = 10;
     assert.equal(stream_data.can_post_messages_in_stream(social), false);
@@ -959,7 +959,7 @@ test("can_post_messages_in_stream", () => {
     me.date_joined = new Date(Date.now() - 20 * 86400000);
     assert.equal(stream_data.can_post_messages_in_stream(social), true);
 
-    page_params.is_guest = true;
+    current_user.is_guest = true;
     assert.equal(stream_data.can_post_messages_in_stream(social), false);
 
     social.stream_post_policy = settings_config.stream_post_policy_values.everyone.code;
@@ -1037,17 +1037,17 @@ test("can_unsubscribe_others", () => {
 
     // Even with the nobody system group, admins can still unsubscribe others.
     sub.can_remove_subscribers_group = nobody.id;
-    page_params.is_admin = true;
+    current_user.is_admin = true;
     assert.equal(stream_data.can_unsubscribe_others(sub), true);
-    page_params.is_admin = false;
+    current_user.is_admin = false;
     assert.equal(stream_data.can_unsubscribe_others(sub), false);
 
     // This isn't a real state, but we want coverage on !can_view_subscribers.
     sub.subscribed = false;
     sub.invite_only = true;
-    page_params.is_admin = true;
+    current_user.is_admin = true;
     assert.equal(stream_data.can_unsubscribe_others(sub), true);
-    page_params.is_admin = false;
+    current_user.is_admin = false;
     assert.equal(stream_data.can_unsubscribe_others(sub), false);
 });
 
@@ -1161,10 +1161,10 @@ test("can_access_stream_email", () => {
         invite_only: true,
         history_public_to_subscribers: false,
     };
-    page_params.is_admin = false;
+    current_user.is_admin = false;
     assert.equal(stream_data.can_access_stream_email(social), true);
 
-    page_params.is_admin = true;
+    current_user.is_admin = true;
     assert.equal(stream_data.can_access_stream_email(social), true);
 
     social.subscribed = false;
@@ -1173,10 +1173,10 @@ test("can_access_stream_email", () => {
     social.invite_only = false;
     assert.equal(stream_data.can_access_stream_email(social), true);
 
-    page_params.is_admin = false;
+    current_user.is_admin = false;
     assert.equal(stream_data.can_access_stream_email(social), true);
 
-    page_params.is_guest = true;
+    current_user.is_guest = true;
     assert.equal(stream_data.can_access_stream_email(social), false);
 
     social.subscribed = true;
diff --git a/web/tests/stream_list.test.js b/web/tests/stream_list.test.js
index 3f9dc04d6d..33b1b6cc9d 100644
--- a/web/tests/stream_list.test.js
+++ b/web/tests/stream_list.test.js
@@ -5,11 +5,11 @@ const {strict: assert} = require("assert");
 const {mock_esm, set_global, zrequire} = require("./lib/namespace");
 const {run_test, noop} = require("./lib/test");
 const $ = require("./lib/zjquery");
-const {page_params, user_settings} = require("./lib/zpage_params");
+const {current_user, page_params, user_settings} = require("./lib/zpage_params");
 
 set_global("document", "document-stub");
 
-page_params.is_admin = false;
+current_user.is_admin = false;
 page_params.realm_users = [];
 
 // We use this with override.
diff --git a/web/tests/transmit.test.js b/web/tests/transmit.test.js
index 6ac12aee27..4e76c59c74 100644
--- a/web/tests/transmit.test.js
+++ b/web/tests/transmit.test.js
@@ -5,7 +5,7 @@ const {strict: assert} = require("assert");
 const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test, noop} = require("./lib/test");
 const blueslip = require("./lib/zblueslip");
-const {page_params} = require("./lib/zpage_params");
+const {current_user} = require("./lib/zpage_params");
 
 const channel = mock_esm("../src/channel");
 const reload = mock_esm("../src/reload");
@@ -150,7 +150,7 @@ run_test("reply_message_stream", ({override}) => {
         send_message_args = data;
     });
 
-    page_params.user_id = 44;
+    current_user.user_id = 44;
     server_events.queue_id = 66;
     sent_messages.get_new_local_id = () => "99";
 
@@ -191,7 +191,7 @@ run_test("reply_message_private", ({override}) => {
         send_message_args = data;
     });
 
-    page_params.user_id = 155;
+    current_user.user_id = 155;
     server_events.queue_id = 177;
     sent_messages.get_new_local_id = () => "199";
 
diff --git a/web/tests/typeahead_helper.test.js b/web/tests/typeahead_helper.test.js
index 938f6d8f8f..014abf451c 100644
--- a/web/tests/typeahead_helper.test.js
+++ b/web/tests/typeahead_helper.test.js
@@ -4,7 +4,7 @@ const {strict: assert} = require("assert");
 
 const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
-const {page_params, user_settings} = require("./lib/zpage_params");
+const {current_user, page_params, user_settings} = require("./lib/zpage_params");
 
 const stream_topic_history = mock_esm("../src/stream_topic_history");
 
@@ -116,7 +116,7 @@ function test(label, f) {
         recent_senders.clear_for_testing();
         peer_data.clear_for_testing();
         people.clear_recipient_counts_for_testing();
-        page_params.is_admin = false;
+        current_user.is_admin = false;
         page_params.realm_is_zephyr_mirror_realm = false;
 
         f(helpers);
diff --git a/web/tests/typing_events.test.js b/web/tests/typing_events.test.js
index ce9c4163e8..cec05e3786 100644
--- a/web/tests/typing_events.test.js
+++ b/web/tests/typing_events.test.js
@@ -5,7 +5,7 @@ const {strict: assert} = require("assert");
 const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
 const $ = require("./lib/zjquery");
-const {page_params} = require("./lib/zpage_params");
+const {current_user} = require("./lib/zpage_params");
 
 const settings_data = mock_esm("../src/settings_data");
 
@@ -45,7 +45,7 @@ people.add_active_user(levin);
 people.add_active_user(kitty);
 
 run_test("render_notifications_for_narrow", ({override, mock_template}) => {
-    override(page_params, "user_id", anna.user_id);
+    override(current_user, "user_id", anna.user_id);
     override(settings_data, "user_can_access_all_other_users", () => true);
     const group = [anna.user_id, vronsky.user_id, levin.user_id, kitty.user_id];
     const conversation_key = typing_data.get_direct_message_conversation_key(group);
diff --git a/web/tests/user_events.test.js b/web/tests/user_events.test.js
index 0efb9760e9..c221abdeac 100644
--- a/web/tests/user_events.test.js
+++ b/web/tests/user_events.test.js
@@ -6,7 +6,7 @@ const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test, noop} = require("./lib/test");
 const blueslip = require("./lib/zblueslip");
 const $ = require("./lib/zjquery");
-const {page_params} = require("./lib/zpage_params");
+const {current_user} = require("./lib/zpage_params");
 
 const message_live_update = mock_esm("../src/message_live_update");
 const settings_account = mock_esm("../src/settings_account", {
@@ -49,7 +49,7 @@ mock_esm("../src/settings_streams", {
     maybe_disable_widgets() {},
 });
 
-page_params.is_admin = true;
+current_user.is_admin = true;
 
 const people = zrequire("people");
 const settings_config = zrequire("settings_config");
@@ -127,21 +127,21 @@ run_test("updates", () => {
     person = people.get_by_email(me.email);
     assert.ok(person.is_billing_admin);
     assert.equal(person.role, settings_config.user_role_values.member.code);
-    assert.ok(page_params.is_billing_admin);
+    assert.ok(current_user.is_billing_admin);
 
     user_events.update_person({user_id: me.user_id, is_billing_admin: false});
     person = people.get_by_email(me.email);
     assert.equal(person.user_id, me.user_id);
     assert.ok(!person.is_billing_admin);
     assert.equal(person.role, settings_config.user_role_values.member.code);
-    assert.ok(!page_params.is_billing_admin);
+    assert.ok(!current_user.is_billing_admin);
 
     user_events.update_person({user_id: isaac.user_id, is_billing_admin: false});
     person = people.get_by_email(isaac.email);
     assert.equal(person.user_id, isaac.user_id);
     assert.ok(!person.is_billing_admin);
     assert.equal(person.role, settings_config.user_role_values.owner.code);
-    assert.ok(!page_params.is_billing_admin);
+    assert.ok(!current_user.is_billing_admin);
 
     let user_id;
     let full_name;
@@ -161,7 +161,7 @@ run_test("updates", () => {
         user_id: me.user_id,
         role: settings_config.user_role_values.member.code,
     });
-    assert.ok(!page_params.is_admin);
+    assert.ok(!current_user.is_admin);
 
     user_events.update_person({user_id: me.user_id, full_name: "Me V2"});
     assert.equal(people.my_full_name(), "Me V2");