mirror of
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102 lines
3.8 KiB
Python
102 lines
3.8 KiB
Python
from typing import Dict, Optional, Sequence
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from django.core.exceptions import ValidationError
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from django.utils.translation import gettext as _
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from zerver.models import Recipient, UserProfile, get_or_create_huddle
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from zerver.models.users import is_cross_realm_bot_email
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def get_recipient_from_user_profiles(
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recipient_profiles: Sequence[UserProfile],
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forwarded_mirror_message: bool,
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forwarder_user_profile: Optional[UserProfile],
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sender: UserProfile,
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) -> Recipient:
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# Avoid mutating the passed in list of recipient_profiles.
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recipient_profiles_map = {user_profile.id: user_profile for user_profile in recipient_profiles}
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if forwarded_mirror_message:
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# In our mirroring integrations with some third-party
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# protocols, bots subscribed to the third-party protocol
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# forward to Zulip messages that they received in the
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# third-party service. The permissions model for that
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# forwarding is that users can only submit to Zulip private
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# messages they personally received, and here we do the check
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# for whether forwarder_user_profile is among the private
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# message recipients of the message.
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assert forwarder_user_profile is not None
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if forwarder_user_profile.id not in recipient_profiles_map:
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raise ValidationError(_("User not authorized for this query"))
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# If the direct message is just between the sender and
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# another person, force it to be a personal internally
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if len(recipient_profiles_map) == 2 and sender.id in recipient_profiles_map:
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del recipient_profiles_map[sender.id]
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assert recipient_profiles_map
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if len(recipient_profiles_map) == 1:
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[user_profile] = recipient_profiles_map.values()
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return Recipient(
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id=user_profile.recipient_id,
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type=Recipient.PERSONAL,
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type_id=user_profile.id,
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)
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# Otherwise, we need a huddle. Make sure the sender is included in huddle messages
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recipient_profiles_map[sender.id] = sender
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user_ids = list(recipient_profiles_map)
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huddle = get_or_create_huddle(user_ids)
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return Recipient(
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id=huddle.recipient_id,
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type=Recipient.HUDDLE,
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type_id=huddle.id,
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)
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def validate_recipient_user_profiles(
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user_profiles: Sequence[UserProfile], sender: UserProfile, allow_deactivated: bool = False
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) -> Sequence[UserProfile]:
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recipient_profiles_map: Dict[int, UserProfile] = {}
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# We exempt cross-realm bots from the check that all the recipients
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# are in the same realm.
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realms = set()
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if not is_cross_realm_bot_email(sender.email):
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realms.add(sender.realm_id)
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for user_profile in user_profiles:
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if (
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not user_profile.is_active
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and not user_profile.is_mirror_dummy
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and not allow_deactivated
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) or user_profile.realm.deactivated:
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raise ValidationError(
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_("'{email}' is no longer using Zulip.").format(email=user_profile.email)
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)
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recipient_profiles_map[user_profile.id] = user_profile
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if not is_cross_realm_bot_email(user_profile.email):
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realms.add(user_profile.realm_id)
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if len(realms) > 1:
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raise ValidationError(_("You can't send direct messages outside of your organization."))
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return list(recipient_profiles_map.values())
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def recipient_for_user_profiles(
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user_profiles: Sequence[UserProfile],
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forwarded_mirror_message: bool,
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forwarder_user_profile: Optional[UserProfile],
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sender: UserProfile,
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allow_deactivated: bool = False,
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) -> Recipient:
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recipient_profiles = validate_recipient_user_profiles(
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user_profiles, sender, allow_deactivated=allow_deactivated
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)
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return get_recipient_from_user_profiles(
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recipient_profiles, forwarded_mirror_message, forwarder_user_profile, sender
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)
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