invites: Make it possible for non-admins to revoke multiuse invites.

This commit makes changes to allow non-admins to revoke multiuse
invitations created by them.

api_docs/changelog.md

@@ -33,6 +33,15 @@ format used by the Zulip server that they are interacting with.
   to create reusable invitation links. Previously, this endpoint was
   restricted to admin users only.
 
+* `GET /invites`: Endpoint response for non-admin users now includes both
+  email invitations and reusable invitation links that they have created.
+  Previously, non-admin users could only create email invitations, and
+  therefore the response did not include reusable invitation links for these users.
+
+* `DELETE /invites/multiuse/{invite_id}`: Non-admin users can now revoke
+  reusable invitation links they have created. Previously, only admin users could
+  create and revoke reusable invitation links.
+
 **Feature level 208**
 
 * [`POST /users/me/subscriptions`](/api/subscribe),

web/templates/confirm_dialog/confirm_revoke_invite.hbs

@@ -1,5 +1,9 @@
 {{#if is_multiuse}}
+{{#if referred_by}}
 <p>{{#tr}}Are you sure you want to revoke this invitation link created by <strong>{referred_by}</strong>?{{/tr}}</p>
 {{else}}
+<p>{{#tr}}Are you sure you want to revoke this invitation link?{{/tr}}</p>
+{{/if}}
+{{else}}
 <p>{{#tr}}Are you sure you want to revoke the invitation to <strong>{email}</strong>?{{/tr}}</p>
 {{/if}}

zerver/actions/invites.py

@@ -362,13 +362,19 @@ def do_get_invites_controlled_by_user(user_profile: UserProfile) -> List[Dict[st
             )
         )
 
-    if not user_profile.is_realm_admin:
-        # We do not return multiuse invites to non-admin users.
-        return invites
+    if user_profile.is_realm_admin:
+        multiuse_confirmation_objs = Confirmation.objects.filter(
+            realm=user_profile.realm, type=Confirmation.MULTIUSE_INVITE
+        ).filter(Q(expiry_date__gte=timezone_now()) | Q(expiry_date=None))
+    else:
+        multiuse_invite_ids = MultiuseInvite.objects.filter(referred_by=user_profile).values_list(
+            "id", flat=True
+        )
+        multiuse_confirmation_objs = Confirmation.objects.filter(
+            type=Confirmation.MULTIUSE_INVITE,
+            object_id__in=multiuse_invite_ids,
+        ).filter(Q(expiry_date__gte=timezone_now()) | Q(expiry_date=None))
 
-    multiuse_confirmation_objs = Confirmation.objects.filter(
-        realm=user_profile.realm, type=Confirmation.MULTIUSE_INVITE
-    ).filter(Q(expiry_date__gte=timezone_now()) | Q(expiry_date=None))
     for confirmation_obj in multiuse_confirmation_objs:
         invite = confirmation_obj.content_object
         assert invite is not None

zerver/tests/test_invite.py

@@ -1747,8 +1747,11 @@ class InvitationsTestCase(InviteUserBase):
         do_create_multiuse_invite_link(
             user_profile, PreregistrationUser.INVITE_AS["MEMBER"], invite_expires_in_minutes
         )
-        self.assert_length(do_get_invites_controlled_by_user(user_profile), 5)
-        self.assert_length(do_get_invites_controlled_by_user(hamlet), 1)
+        do_create_multiuse_invite_link(
+            hamlet, PreregistrationUser.INVITE_AS["MEMBER"], invite_expires_in_minutes
+        )
+        self.assert_length(do_get_invites_controlled_by_user(user_profile), 6)
+        self.assert_length(do_get_invites_controlled_by_user(hamlet), 2)
         self.assert_length(do_get_invites_controlled_by_user(othello), 1)
 
     def test_successful_get_open_invitations(self) -> None:
@@ -1999,6 +2002,26 @@ class InvitationsTestCase(InviteUserBase):
             confirmation_settings.STATUS_REVOKED,
         )
 
+        # Test non-admins can only delete invitations created by them.
+        multiuse_invite = MultiuseInvite.objects.create(
+            referred_by=self.example_user("hamlet"), realm=zulip_realm
+        )
+        create_confirmation_link(
+            multiuse_invite, Confirmation.MULTIUSE_INVITE, validity_in_minutes=validity_in_minutes
+        )
+
+        self.login("cordelia")
+        error_result = self.client_delete("/json/invites/multiuse/" + str(multiuse_invite.id))
+        self.assert_json_error(error_result, "Must be an organization administrator")
+
+        self.login("hamlet")
+        result = self.client_delete("/json/invites/multiuse/" + str(multiuse_invite.id))
+        self.assertEqual(result.status_code, 200)
+        self.assertEqual(
+            MultiuseInvite.objects.get(id=multiuse_invite.id).status,
+            confirmation_settings.STATUS_REVOKED,
+        )
+
         # Test deleting multiuse invite from another realm
         mit_realm = get_realm("zephyr")
         multiuse_invite_in_mit = MultiuseInvite.objects.create(

zerver/views/invite.py

@@ -14,7 +14,7 @@ from zerver.actions.invites import (
     do_revoke_multi_use_invite,
     do_revoke_user_invite,
 )
-from zerver.decorator import require_member_or_admin, require_realm_admin
+from zerver.decorator import require_member_or_admin
 from zerver.lib.exceptions import JsonableError, OrganizationOwnerRequiredError
 from zerver.lib.request import REQ, has_request_variables
 from zerver.lib.response import json_success
@@ -140,7 +140,7 @@ def revoke_user_invite(
     return json_success(request)
 
 
-@require_realm_admin
+@require_member_or_admin
 @has_request_variables
 def revoke_multiuse_invite(
     request: HttpRequest, user_profile: UserProfile, invite_id: int
@@ -153,7 +153,8 @@ def revoke_multiuse_invite(
     if invite.realm != user_profile.realm:
         raise JsonableError(_("No such invitation"))
 
-    check_role_based_permissions(invite.invited_as, user_profile, require_admin=True)
+    if invite.referred_by_id != user_profile.id:
+        check_role_based_permissions(invite.invited_as, user_profile, require_admin=True)
 
     if invite.status == confirmation_settings.STATUS_REVOKED:
         raise JsonableError(_("Invitation has already been revoked"))