94 lines
3.5 KiB
Ruby
94 lines
3.5 KiB
Ruby
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# frozen_string_literal: true
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##
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# There are certain conditions with secure media when the security of
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# uploads will need to change depending on the context they reside in.
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#
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# For example on these conditions:
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# * Topic category change
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# * Topic switching between PM and public topic
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# * Post moving between topics
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#
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# We need to go through all of the posts in that topic that
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# own uploads via access_control_post_id, then for those uploads determine
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# if they still need to be secure or not. For example an upload could be
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# secure if it is in a PM, and then when the topic gets converted to a public
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# topic the upload no longer needs to remain secure as it is no longer in
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# a secure context.
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class TopicUploadSecurityManager
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def initialize(topic)
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@topic = topic
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end
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def run
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Rails.logger.debug("Updating upload security in topic #{@topic.id}")
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posts_owning_uploads.each do |post|
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Post.transaction do
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Rails.logger.debug("Updating upload security in topic #{@topic.id} - post #{post.id}")
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post.topic = @topic
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secure_status_did_change = post.owned_uploads_via_access_control.any? do |upload|
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# we have already got the post preloaded so we may as well
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# attach it here to avoid another load in UploadSecurity
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upload.access_control_post = post
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upload.update_secure_status
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end
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post.rebake! if secure_status_did_change
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Rails.logger.debug("Security updated & rebake complete in topic #{@topic.id} - post #{post.id}")
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end
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end
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return if !SiteSetting.secure_media
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# we only want to do this if secure media is enabled. if
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# the setting is turned on after a site has been running
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# already, we want to make sure that any post moves after
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# this are handled and upload secure statuses and ACLs
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# are updated appropriately, as well as setting the access control
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# post for secure uploads missing it.
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#
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# examples (all after secure media is enabled):
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#
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# -> a public topic is moved to a private category after
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# -> a PM is converted to a public topic
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# -> a public topic is converted to a PM
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# -> a topic is moved from a private to a public category
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posts_with_unowned_uploads.each do |post|
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Post.transaction do
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Rails.logger.debug("Setting upload access control posts in topic #{@topic.id} - post #{post.id}")
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post.topic = @topic
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secure_status_did_change = post.uploads.any? do |upload|
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first_post_upload_appeared_in = upload.post_uploads.first.post
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if first_post_upload_appeared_in == post
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upload.update(access_control_post: post)
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upload.update_secure_status
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else
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false
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end
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end
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post.rebake! if secure_status_did_change
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Rails.logger.debug("Completed changing access control posts #{secure_status_did_change ? 'and rebaking' : ''} in topic #{@topic.id} - post #{post.id}")
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end
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end
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Rails.logger.debug("Completed updating upload security in topic #{@topic.id}!")
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end
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private
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def posts_owning_uploads
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Post.where(topic_id: @topic.id).joins('INNER JOIN uploads ON access_control_post_id = posts.id')
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end
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def posts_with_unowned_uploads
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Post
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.where(topic_id: @topic.id)
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.joins('INNER JOIN post_uploads ON post_uploads.post_id = posts.id')
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.joins('INNER JOIN uploads ON post_uploads.upload_id = uploads.id')
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.where('uploads.access_control_post_id IS NULL')
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.includes(:uploads)
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end
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end
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