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118 lines
3.7 KiB
Ruby
118 lines
3.7 KiB
Ruby
#mixin for all guardian methods dealing with post permisions
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module PostGuardain
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# Can the user act on the post in a particular way.
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# taken_actions = the list of actions the user has already taken
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def post_can_act?(post, action_key, opts={})
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taken = opts[:taken_actions].try(:keys).to_a
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is_flag = PostActionType.is_flag?(action_key)
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already_taken_this_action = taken.any? && taken.include?(PostActionType.types[action_key])
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already_did_flagging = taken.any? && (taken & PostActionType.flag_types.values).any?
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if authenticated? && post
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# we always allow flagging - NOTE: this does not seem true, see specs. (MVH)
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(is_flag && @user.has_trust_level?(:basic) && not(already_did_flagging)) ||
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# not a flagging action, and haven't done it already
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not(is_flag || already_taken_this_action) &&
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# nothing except flagging on archived posts
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not(post.topic.archived?) &&
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# don't like your own stuff
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not(action_key == :like && is_my_own?(post)) &&
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# no voting more than once on single vote topics
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not(action_key == :vote && opts[:voted_in_topic] && post.topic.has_meta_data_boolean?(:single_vote))
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end
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end
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def can_clear_flags?(post)
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is_staff? && post
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end
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# Can we see who acted on a post in a particular way?
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def can_see_post_actors?(topic, post_action_type_id)
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return false unless topic
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type_symbol = PostActionType.types[post_action_type_id]
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return false if type_symbol == :bookmark
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return can_see_flags?(topic) if PostActionType.is_flag?(type_symbol)
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if type_symbol == :vote
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# We can see votes if the topic allows for public voting
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return false if topic.has_meta_data_boolean?(:private_poll)
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end
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true
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end
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def can_see_deleted_posts?
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is_staff?
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end
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def can_delete_all_posts?(user)
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is_staff? && user && !user.admin? && user.created_at >= SiteSetting.delete_user_max_age.days.ago && user.post_count <= SiteSetting.delete_all_posts_max.to_i
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end
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# Creating Method
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def can_create_post?(parent)
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!SpamRule::AutoBlock.block?(@user) && (
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!parent ||
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!parent.category ||
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Category.post_create_allowed(self).where(:id => parent.category.id).count == 1
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)
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end
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# Editing Method
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def can_edit_post?(post)
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is_staff? || (!post.topic.archived? && is_my_own?(post) && !post.user_deleted && !post.deleted_at && !post.edit_time_limit_expired?)
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end
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# Deleting Methods
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def can_delete_post?(post)
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# Can't delete the first post
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return false if post.post_number == 1
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# Can't delete after post_edit_time_limit minutes have passed
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return false if !is_staff? && post.edit_time_limit_expired?
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# Can't delete posts in archived topics unless you are staff
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return false if !is_staff? && post.topic.archived?
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# You can delete your own posts
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return !post.user_deleted? if is_my_own?(post)
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is_staff?
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end
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# Recovery Method
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def can_recover_post?(post)
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is_staff? || (is_my_own?(post) && post.user_deleted && !post.deleted_at)
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end
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def can_delete_post_action?(post_action)
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# You can only undo your own actions
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is_my_own?(post_action) && not(post_action.is_private_message?) &&
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# Make sure they want to delete it within the window
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post_action.created_at > SiteSetting.post_undo_action_window_mins.minutes.ago
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end
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def can_see_post?(post)
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post.present? &&
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(is_admin? ||
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((is_moderator? || !post.deleted_at.present?) &&
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can_see_topic?(post.topic)))
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end
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def can_see_post_revision?(post_revision)
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return false if post_revision.nil?
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return true if SiteSetting.edit_history_visible_to_public
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authenticated? && (is_staff? || can_see_post?(post_revision.post))
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end
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def can_vote?(post, opts={})
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post_can_act?(post,:vote, opts)
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end
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end
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