discourse/lib/guardian/topic_guardian.rb

89 lines
2.5 KiB
Ruby

#mixin for all guardian methods dealing with topic permisions
module TopicGuardian
def can_remove_allowed_users?(topic)
is_staff?
end
# Creating Methods
def can_create_topic?(parent)
is_staff? ||
(user &&
user.trust_level >= SiteSetting.min_trust_to_create_topic.to_i &&
can_create_post?(parent))
end
def can_create_topic_on_category?(category)
can_create_topic?(nil) &&
(!category || Category.topic_create_allowed(self).where(:id => category.id).count == 1)
end
def can_create_post_on_topic?(topic)
# No users can create posts on deleted topics
return false if topic.trashed?
is_staff? || (authenticated? && user.has_trust_level?(TrustLevel[4])) || (not(topic.closed? || topic.archived? || topic.trashed?) && can_create_post?(topic))
end
# Editing Method
def can_edit_topic?(topic)
return false if Discourse.static_doc_topic_ids.include?(topic.id) && !is_admin?
return false unless can_see?(topic)
return true if is_staff?
return true if (!topic.private_message? && user.has_trust_level?(TrustLevel[3]) && can_create_post?(topic))
return false if topic.archived
is_my_own?(topic) && !topic.edit_time_limit_expired?
end
# Recovery Method
def can_recover_topic?(topic)
is_staff?
end
def can_delete_topic?(topic)
!topic.trashed? &&
is_staff? &&
!(Category.exists?(topic_id: topic.id)) &&
!Discourse.static_doc_topic_ids.include?(topic.id)
end
def can_reply_as_new_topic?(topic)
authenticated? && topic && not(topic.private_message?) && @user.has_trust_level?(TrustLevel[1])
end
def can_see_deleted_topics?
is_staff?
end
def can_see_topic?(topic)
return false unless topic
# Admins can see everything
return true if is_admin?
# Deleted topics
return false if topic.deleted_at && !can_see_deleted_topics?
if topic.private_message?
return authenticated? &&
topic.all_allowed_users.where(id: @user.id).exists?
end
# not secure, or I can see it
!topic.read_restricted_category? || can_see_category?(topic.category)
end
def filter_allowed_categories(records)
unless is_admin?
allowed_ids = allowed_category_ids
if allowed_ids.length > 0
records = records.where('topics.category_id IS NULL or topics.category_id IN (?)', allowed_ids)
else
records = records.where('topics.category_id IS NULL')
end
records = records.references(:categories)
end
records
end
end