250 lines
8.2 KiB
Ruby
250 lines
8.2 KiB
Ruby
# frozen_string_literal: true
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#mixin for all guardian methods dealing with topic permissions
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module TopicGuardian
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def can_remove_allowed_users?(topic, target_user = nil)
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is_staff? ||
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(topic.user == @user && @user.has_trust_level?(TrustLevel[2])) ||
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(
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topic.allowed_users.count > 1 &&
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topic.user != target_user &&
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!!(target_user && user == target_user)
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)
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end
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def can_review_topic?(topic)
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return false if anonymous? || topic.nil?
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return true if is_staff?
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can_perform_action_available_to_group_moderators?(topic)
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end
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alias :can_moderate_topic? :can_review_topic?
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def can_create_shared_draft?
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SiteSetting.shared_drafts_enabled? && can_see_shared_draft?
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end
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def can_see_shared_draft?
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return is_admin? if SiteSetting.shared_drafts_min_trust_level.to_s == 'admin'
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return is_staff? if SiteSetting.shared_drafts_min_trust_level.to_s == 'staff'
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@user.has_trust_level?(SiteSetting.shared_drafts_min_trust_level.to_i)
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end
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def can_create_whisper?
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is_staff? && SiteSetting.enable_whispers?
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end
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def can_see_whispers?(_topic)
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is_staff?
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end
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def can_publish_topic?(topic, category)
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can_see_shared_draft? && can_see?(topic) && can_create_topic_on_category?(category)
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end
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# Creating Methods
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def can_create_topic?(parent)
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is_staff? ||
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(user &&
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user.trust_level >= SiteSetting.min_trust_to_create_topic.to_i &&
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can_create_post?(parent) &&
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Category.topic_create_allowed(self).limit(1).count == 1)
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end
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def can_create_topic_on_category?(category)
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# allow for category to be a number as well
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category_id = Category === category ? category.id : category
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can_create_topic?(nil) &&
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(!category || Category.topic_create_allowed(self).where(id: category_id).count == 1)
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end
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def can_move_topic_to_category?(category)
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category = Category === category ? category : Category.find(category || SiteSetting.uncategorized_category_id)
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is_staff? || (can_create_topic_on_category?(category) && !category.require_topic_approval?)
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end
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def can_create_post_on_topic?(topic)
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# No users can create posts on deleted topics
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return false if topic.blank?
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return false if topic.trashed?
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return true if is_admin?
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trusted = (authenticated? && user.has_trust_level?(TrustLevel[4])) || is_moderator? || can_perform_action_available_to_group_moderators?(topic)
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(!(topic.closed? || topic.archived?) || trusted) && can_create_post?(topic)
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end
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# Editing Method
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def can_edit_topic?(topic)
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return false if Discourse.static_doc_topic_ids.include?(topic.id) && !is_admin?
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return false unless can_see?(topic)
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return false if topic.first_post&.locked? && !is_staff?
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return true if is_admin?
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return true if is_moderator? && can_create_post?(topic)
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return true if is_category_group_moderator?(topic.category)
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# can't edit topics in secured categories where you don't have permission to create topics
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# except for a tiny edge case where the topic is uncategorized and you are trying
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# to fix it but uncategorized is disabled
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if (
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SiteSetting.allow_uncategorized_topics ||
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topic.category_id != SiteSetting.uncategorized_category_id
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)
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return false if !can_create_topic_on_category?(topic.category)
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end
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# Editing a shared draft.
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return true if (
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!topic.archived &&
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!topic.private_message? &&
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topic.category_id == SiteSetting.shared_drafts_category.to_i &&
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can_see_category?(topic.category) &&
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can_see_shared_draft? &&
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can_create_post?(topic)
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)
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# TL4 users can edit archived topics, but can not edit private messages
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return true if (
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SiteSetting.trusted_users_can_edit_others? &&
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topic.archived &&
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!topic.private_message? &&
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user.has_trust_level?(TrustLevel[4]) &&
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can_create_post?(topic)
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)
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# TL3 users can not edit archived topics and private messages
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return true if (
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SiteSetting.trusted_users_can_edit_others? &&
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!topic.archived &&
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!topic.private_message? &&
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user.has_trust_level?(TrustLevel[3]) &&
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can_create_post?(topic)
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)
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return false if topic.archived
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is_my_own?(topic) &&
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!topic.edit_time_limit_expired?(user) &&
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!Post.where(topic_id: topic.id, post_number: 1).where.not(locked_by_id: nil).exists?
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end
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def can_recover_topic?(topic)
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if is_staff? || (topic&.category && is_category_group_moderator?(topic.category))
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!!(topic && topic.deleted_at)
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else
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topic && can_recover_post?(topic.ordered_posts.first)
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end
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end
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def can_delete_topic?(topic)
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!topic.trashed? &&
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(is_staff? || (is_my_own?(topic) && topic.posts_count <= 1 && topic.created_at && topic.created_at > 24.hours.ago) || is_category_group_moderator?(topic.category)) &&
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!topic.is_category_topic? &&
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!Discourse.static_doc_topic_ids.include?(topic.id)
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end
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def can_toggle_topic_visibility?(topic)
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can_moderate?(topic) || can_perform_action_available_to_group_moderators?(topic)
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end
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def can_convert_topic?(topic)
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return false unless SiteSetting.enable_personal_messages?
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return false if topic.blank?
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return false if topic.trashed?
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return false if topic.is_category_topic?
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return true if is_admin?
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is_moderator? && can_create_post?(topic)
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end
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def can_reply_as_new_topic?(topic)
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authenticated? && topic && @user.has_trust_level?(TrustLevel[1])
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end
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def can_see_deleted_topics?(category)
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is_staff? || is_category_group_moderator?(category)
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end
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def can_see_topic?(topic, hide_deleted = true)
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return false unless topic
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return true if is_admin?
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return false if hide_deleted && topic.deleted_at && !can_see_deleted_topics?(topic.category)
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if topic.private_message?
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return authenticated? && topic.all_allowed_users.where(id: @user.id).exists?
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end
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return false if topic.shared_draft && !can_see_shared_draft?
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category = topic.category
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can_see_category?(category) &&
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(!category.read_restricted || !is_staged? || secure_category_ids.include?(category.id) || topic.user == user)
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end
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def can_get_access_to_topic?(topic)
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topic&.access_topic_via_group.present? && authenticated?
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end
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def filter_allowed_categories(records)
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unless is_admin?
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records = allowed_category_ids.size == 0 ?
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records.where('topics.category_id IS NULL') :
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records.where('topics.category_id IS NULL or topics.category_id IN (?)', allowed_category_ids)
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records = records.references(:categories)
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end
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records
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end
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def can_edit_featured_link?(category_id)
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return false unless SiteSetting.topic_featured_link_enabled
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Category.where(id: category_id || SiteSetting.uncategorized_category_id, topic_featured_link_allowed: true).exists?
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end
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def can_update_bumped_at?
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is_staff? || @user.has_trust_level?(TrustLevel[4])
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end
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def can_banner_topic?(topic)
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topic && authenticated? && !topic.private_message? && is_staff?
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end
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def can_edit_tags?(topic)
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return false unless can_tag_topics?
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return false if topic.private_message? && !can_tag_pms?
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return true if can_edit_topic?(topic)
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if topic&.first_post&.wiki && (@user.trust_level >= SiteSetting.min_trust_to_edit_wiki_post.to_i)
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return can_create_post?(topic)
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end
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false
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end
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def can_perform_action_available_to_group_moderators?(topic)
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return false if anonymous? || topic.nil?
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return true if is_staff?
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return true if @user.has_trust_level?(TrustLevel[4])
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is_category_group_moderator?(topic.category)
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end
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alias :can_archive_topic? :can_perform_action_available_to_group_moderators?
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alias :can_close_topic? :can_perform_action_available_to_group_moderators?
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alias :can_open_topic? :can_perform_action_available_to_group_moderators?
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alias :can_split_merge_topic? :can_perform_action_available_to_group_moderators?
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alias :can_edit_staff_notes? :can_perform_action_available_to_group_moderators?
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alias :can_pin_unpin_topic? :can_perform_action_available_to_group_moderators?
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def can_move_posts?(topic)
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return false if is_silenced?
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can_perform_action_available_to_group_moderators?(topic)
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end
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def affected_by_slow_mode?(topic)
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topic&.slow_mode_seconds.to_i > 0 && @user.human? && !is_staff?
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end
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end
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