mirror of https://github.com/zulip/zulip.git
108 lines
4.8 KiB
Python
108 lines
4.8 KiB
Python
import hashlib
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import shutil
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import subprocess
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from argparse import ArgumentParser
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from typing import Any, Dict, List
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from zerver.lib.management import CommandError, ZulipBaseCommand
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from zerver.lib.send_email import FromAddress, send_email
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from zerver.models import UserProfile
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from zerver.templatetags.app_filters import render_markdown_path
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def send_custom_email(users: List[UserProfile], options: Dict[str, Any]) -> None:
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"""
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Can be used directly with from a management shell with
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send_custom_email(user_profile_list, dict(
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markdown_template_path="/path/to/markdown/file.md",
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subject="Email Subject",
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from_name="Sender Name")
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)
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"""
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with open(options["markdown_template_path"], "r") as f:
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email_template_hash = hashlib.sha256(f.read().encode('utf-8')).hexdigest()[0:32]
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email_id = "zerver/emails/custom_email_%s" % (email_template_hash,)
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markdown_email_base_template_path = "templates/zerver/emails/custom_email_base.pre.html"
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html_source_template_path = "templates/%s.source.html" % (email_id,)
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plain_text_template_path = "templates/%s.txt" % (email_id,)
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subject_path = "templates/%s.subject.txt" % (email_id,)
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# First, we render the markdown input file just like our
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# user-facing docs with render_markdown_path.
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shutil.copyfile(options['markdown_template_path'], plain_text_template_path)
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rendered_input = render_markdown_path(plain_text_template_path.replace("templates/", ""))
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# And then extend it with our standard email headers.
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with open(html_source_template_path, "w") as f:
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with open(markdown_email_base_template_path, "r") as base_template:
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# Note that we're doing a hacky non-Jinja2 substitution here;
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# we do this because the normal render_markdown_path ordering
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# doesn't commute properly with inline-email-css.
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f.write(base_template.read().replace('{{ rendered_input }}',
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rendered_input))
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with open(subject_path, "w") as f:
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f.write(options["subject"])
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# Then, we compile the email template using inline-email-css to
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# add our standard styling to the paragraph tags (etc.).
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#
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# TODO: Ideally, we'd just refactor inline-email-css to
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# compile this one template, not all of them.
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subprocess.check_call(["./scripts/setup/inline-email-css"])
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# Finally, we send the actual emails.
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for user_profile in users:
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context = {
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'realm_uri': user_profile.realm.uri,
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'realm_name': user_profile.realm.name,
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}
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send_email(email_id, to_user_ids=[user_profile.id],
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from_address=FromAddress.SUPPORT,
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reply_to_email=options.get("reply_to"),
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from_name=options["from_name"], context=context)
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class Command(ZulipBaseCommand):
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help = """Send email to specified email address."""
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def add_arguments(self, parser: ArgumentParser) -> None:
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parser.add_argument('--entire-server', action="store_true", default=False,
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help="Send to every user on the server. ")
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parser.add_argument('--markdown-template-path', '--path',
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dest='markdown_template_path',
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required=True,
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type=str,
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help='Path to a markdown-format body for the email')
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parser.add_argument('--subject',
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required=True,
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type=str,
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help='Subject line for the email')
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parser.add_argument('--from-name',
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required=True,
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type=str,
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help='From line for the email')
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parser.add_argument('--reply-to',
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type=str,
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help='Optional reply-to line for the email')
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self.add_user_list_args(parser,
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help="Email addresses of user(s) to send emails to.",
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all_users_help="Send to every user on the realm.")
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self.add_realm_args(parser)
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def handle(self, *args: Any, **options: str) -> None:
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if options["entire_server"]:
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users = UserProfile.objects.filter(is_active=True, is_bot=False,
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is_mirror_dummy=False)
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else:
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realm = self.get_realm(options)
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try:
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users = self.get_users(options, realm, is_bot=False)
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except CommandError as error:
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if str(error) == "You have to pass either -u/--users or -a/--all-users.":
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raise CommandError("You have to pass -u/--users or -a/--all-users or --entire-server.")
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raise error
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send_custom_email(users, options)
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