mirror of
https://github.com/discourse/discourse.git
synced 2024-11-27 08:33:39 +08:00
760 lines
23 KiB
Ruby
760 lines
23 KiB
Ruby
require "db_helper"
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require "digest/sha1"
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require "base62"
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################################################################################
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# gather #
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################################################################################
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task "uploads:gather" => :environment do
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ENV["RAILS_DB"] ? gather_uploads : gather_uploads_for_all_sites
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end
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def gather_uploads_for_all_sites
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RailsMultisite::ConnectionManagement.each_connection { gather_uploads }
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end
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def file_exists?(path)
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File.exists?(path) && File.size(path) > 0
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rescue
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false
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end
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def gather_uploads
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public_directory = "#{Rails.root}/public"
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current_db = RailsMultisite::ConnectionManagement.current_db
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puts "", "Gathering uploads for '#{current_db}'...", ""
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Upload.where("url ~ '^\/uploads\/'")
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.where("url !~ '^\/uploads\/#{current_db}'")
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.find_each do |upload|
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begin
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old_db = upload.url[/^\/uploads\/([^\/]+)\//, 1]
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from = upload.url.dup
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to = upload.url.sub("/uploads/#{old_db}/", "/uploads/#{current_db}/")
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source = "#{public_directory}#{from}"
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destination = "#{public_directory}#{to}"
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# create destination directory & copy file unless it already exists
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unless file_exists?(destination)
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`mkdir -p '#{File.dirname(destination)}'`
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`cp --link '#{source}' '#{destination}'`
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end
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# ensure file has been succesfuly copied over
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raise unless file_exists?(destination)
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# remap links in db
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DbHelper.remap(from, to)
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rescue
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putc "!"
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else
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putc "."
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end
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end
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puts "", "Done!"
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end
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################################################################################
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# backfill_shas #
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################################################################################
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task "uploads:backfill_shas" => :environment do
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RailsMultisite::ConnectionManagement.each_connection do |db|
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puts "Backfilling #{db}..."
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Upload.where(sha1: nil).find_each do |u|
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begin
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path = Discourse.store.path_for(u)
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u.sha1 = Upload.generate_digest(path)
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u.save!
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putc "."
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rescue => e
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puts "Skipping #{u.original_filename} (#{u.url}) #{e.message}"
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end
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end
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end
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puts "", "Done"
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end
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################################################################################
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# migrate_from_s3 #
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################################################################################
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task "uploads:migrate_from_s3" => :environment do
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ENV["RAILS_DB"] ? migrate_from_s3 : migrate_all_from_s3
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end
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def guess_filename(url, raw)
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begin
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uri = URI.parse("http:#{url}")
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f = uri.open("rb", read_timeout: 5, redirect: true, allow_redirections: :all)
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filename = if f.meta && f.meta["content-disposition"]
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f.meta["content-disposition"][/filename="([^"]+)"/, 1].presence
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end
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filename ||= raw[/<a class="attachment" href="(?:https?:)?#{Regexp.escape(url)}">([^<]+)<\/a>/, 1].presence
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filename ||= File.basename(url)
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filename
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rescue
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nil
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ensure
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f.try(:close!) rescue nil
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end
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end
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def migrate_all_from_s3
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RailsMultisite::ConnectionManagement.each_connection { migrate_from_s3 }
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end
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def migrate_from_s3
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require "file_store/s3_store"
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# make sure S3 is disabled
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if SiteSetting.Upload.enable_s3_uploads
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puts "You must disable S3 uploads before running that task."
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return
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end
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db = RailsMultisite::ConnectionManagement.current_db
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puts "Migrating uploads from S3 to local storage for '#{db}'..."
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max_file_size = [SiteSetting.max_image_size_kb, SiteSetting.max_attachment_size_kb].max.kilobytes
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Post
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.where("user_id > 0")
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.where("raw LIKE '%.s3%.amazonaws.com/%' OR raw LIKE '%(upload://%'")
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.find_each do |post|
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begin
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updated = false
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post.raw.gsub!(/(\/\/[\w.-]+amazonaws\.com\/(original|optimized)\/([a-z0-9]+\/)+\h{40}([\w.-]+)?)/i) do |url|
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begin
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if filename = guess_filename(url, post.raw)
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file = FileHelper.download("http:#{url}", max_file_size: max_file_size, tmp_file_name: "from_s3", follow_redirect: true)
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sha1 = Upload.generate_digest(file)
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origin = nil
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existing_upload = Upload.find_by(sha1: sha1)
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if existing_upload&.url&.start_with?("//")
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filename = existing_upload.original_filename
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origin = existing_upload.origin
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existing_upload.destroy
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end
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new_upload = UploadCreator.new(file, filename, origin: origin).create_for(post.user_id || -1)
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if new_upload&.save
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updated = true
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url = new_upload.url
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end
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end
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url
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rescue
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url
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end
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end
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post.raw.gsub!(/(upload:\/\/[0-9a-zA-Z]+\.\w+)/) do |url|
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begin
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if sha1 = Upload.sha1_from_short_url(url)
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if upload = Upload.find_by(sha1: sha1)
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if upload.url.start_with?("//")
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file = FileHelper.download("http:#{upload.url}", max_file_size: max_file_size, tmp_file_name: "from_s3", follow_redirect: true)
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filename = upload.original_filename
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origin = upload.origin
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upload.destroy
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new_upload = UploadCreator.new(file, filename, origin: origin).create_for(post.user_id || -1)
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if new_upload&.save
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updated = true
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url = new_upload.url
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end
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end
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end
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end
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url
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rescue
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url
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end
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end
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if updated
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post.save!
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post.rebake!
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putc "#"
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else
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putc "."
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end
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rescue
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putc "X"
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end
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end
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puts "Done!"
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end
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################################################################################
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# migrate_to_s3 #
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################################################################################
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task "uploads:migrate_to_s3" => :environment do
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require "file_store/s3_store"
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require "file_store/local_store"
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ENV["RAILS_DB"] ? migrate_to_s3 : migrate_to_s3_all_sites
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end
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def migrate_to_s3_all_sites
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RailsMultisite::ConnectionManagement.each_connection { migrate_to_s3 }
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end
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def migrate_to_s3
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# make sure s3 is enabled
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if !SiteSetting.Upload.enable_s3_uploads
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puts "You must enable s3 uploads before running that task"
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return
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end
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db = RailsMultisite::ConnectionManagement.current_db
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puts "Migrating uploads to S3 (#{SiteSetting.Upload.s3_upload_bucket}) for '#{db}'..."
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# will throw an exception if the bucket is missing
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s3 = FileStore::S3Store.new
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local = FileStore::LocalStore.new
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exclude_tables = %i{
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incoming_emails
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stylesheet_cache
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search_logs
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post_search_data
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notifications
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email_logs
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}
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# Migrate all uploads
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file_uploads = Upload.where.not(sha1: nil).where("url NOT LIKE '#{s3.absolute_base_url}%'")
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image_uploads = file_uploads.where("lower(extension) NOT IN (?)", FileHelper.supported_images.to_a)
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[image_uploads, file_uploads].each do |uploads|
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uploads.find_in_batches(batch_size: 100) do |batch|
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batch.each do |upload|
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now = Process.clock_gettime(Process::CLOCK_MONOTONIC)
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# remove invalid uploads
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if upload.url.blank?
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upload.destroy!
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next
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end
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# store the old url
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from = upload.url
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# retrieve the path to the local file
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path = local.path_for(upload)
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# make sure the file exists locally
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if !path || !File.exists?(path)
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puts "#{from} does not exist locally"
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next
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end
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begin
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file = File.open(path)
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content_type = `file --mime-type -b #{path}`.strip
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to = s3.store_upload(file, upload, content_type)
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rescue => e
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puts "Encountered an error while migrating #{upload.url}: #{e.class}: #{e.message}"
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next
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ensure
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file&.close
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end
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# remap the URL
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DbHelper.remap(from, to, exclude_tables: exclude_tables)
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upload.optimized_images.destroy_all
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puts "Migrating #{from} --> #{to} took #{Process.clock_gettime(Process::CLOCK_MONOTONIC) - now} seconds"
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end
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[
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Discourse.asset_host,
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Discourse.base_url_no_prefix
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].each do |from|
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now = Process.clock_gettime(Process::CLOCK_MONOTONIC)
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from = "#{from}#{SiteSetting.Upload.s3_base_url}"
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to = SiteSetting.s3_cdn_url
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DbHelper.remap(from, to, exclude_tables: exclude_tables)
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puts "Remapping #{from} --> #{to} took #{Process.clock_gettime(Process::CLOCK_MONOTONIC) - now} seconds"
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end
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end
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end
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end
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################################################################################
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# clean_up #
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################################################################################
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task "uploads:clean_up" => :environment do
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if ENV["RAILS_DB"]
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clean_up_uploads
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else
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RailsMultisite::ConnectionManagement.each_connection { clean_up_uploads }
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end
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end
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def clean_up_uploads
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db = RailsMultisite::ConnectionManagement.current_db
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puts "Cleaning up uploads and thumbnails for '#{db}'..."
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if Discourse.store.external?
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puts "This task only works for internal storages."
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exit 1
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end
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puts <<~OUTPUT
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This task will remove upload records and files permanently.
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Would you like to take a full backup before the clean up? (Y/N)
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OUTPUT
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if STDIN.gets.chomp.downcase == 'y'
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puts "Starting backup..."
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backuper = BackupRestore::Backuper.new(Discourse.system_user.id)
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backuper.run
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exit 1 unless backuper.success
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end
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public_directory = Rails.root.join("public").to_s
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##
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## DATABASE vs FILE SYSTEM
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##
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# uploads & avatars
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Upload.find_each do |upload|
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path = File.join(public_directory, upload.url)
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if !File.exists?(path)
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upload.destroy!
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putc "#"
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else
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putc "."
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end
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end
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# optimized images
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OptimizedImage.find_each do |optimized_image|
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path = File.join(public_directory, optimized_image.url)
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if !File.exists?(path)
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optimized_image.destroy!
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putc "#"
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else
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putc "."
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end
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end
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##
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## FILE SYSTEM vs DATABASE
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##
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uploads_directory = File.join(public_directory, 'uploads', db).to_s
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# avatars (no avatar should be stored in that old directory)
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FileUtils.rm_rf("#{uploads_directory}/avatars")
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# uploads and optimized images
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Dir.glob("#{uploads_directory}/**/*.*").each do |file_path|
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sha1 = Upload.generate_digest(file_path)
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url = file_path.split(public_directory, 2)[1]
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if (Upload.where(sha1: sha1).empty? &&
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Upload.where(url: url).empty?) &&
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(OptimizedImage.where(sha1: sha1).empty? &&
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OptimizedImage.where(url: url).empty?)
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FileUtils.rm(file_path)
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putc "#"
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else
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putc "."
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end
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end
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puts "Removing empty directories..."
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puts `find #{uploads_directory} -type d -empty -exec rmdir {} \\;`
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puts "Done!"
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end
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################################################################################
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# missing #
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################################################################################
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# list all missing uploads and optimized images
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task "uploads:missing" => :environment do
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if ENV["RAILS_DB"]
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list_missing_uploads(skip_optimized: ENV['SKIP_OPTIMIZED'])
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else
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RailsMultisite::ConnectionManagement.each_connection do |db|
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list_missing_uploads(skip_optimized: ENV['SKIP_OPTIMIZED'])
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end
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end
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end
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def list_missing_uploads(skip_optimized: false)
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if Discourse.store.external?
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puts "This task only works for internal storages."
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return
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end
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public_directory = "#{Rails.root}/public"
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Upload.find_each do |upload|
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# could be a remote image
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next unless upload.url =~ /^\/[^\/]/
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path = "#{public_directory}#{upload.url}"
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bad = true
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begin
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bad = false if File.size(path) != 0
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rescue
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# something is messed up
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end
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puts path if bad
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end
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unless skip_optimized
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OptimizedImage.find_each do |optimized_image|
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# remote?
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next unless optimized_image.url =~ /^\/[^\/]/
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path = "#{public_directory}#{optimized_image.url}"
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bad = true
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begin
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bad = false if File.size(path) != 0
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rescue
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# something is messed up
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end
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puts path if bad
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end
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end
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end
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################################################################################
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# Recover from tombstone #
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################################################################################
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task "uploads:recover_from_tombstone" => :environment do
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if ENV["RAILS_DB"]
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recover_from_tombstone
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else
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RailsMultisite::ConnectionManagement.each_connection { recover_from_tombstone }
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end
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end
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def recover_from_tombstone
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if Discourse.store.external?
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puts "This task only works for internal storages."
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return
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end
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begin
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previous_image_size = SiteSetting.max_image_size_kb
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previous_attachment_size = SiteSetting.max_attachment_size_kb
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previous_extensions = SiteSetting.authorized_extensions
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SiteSetting.max_image_size_kb = 10 * 1024
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SiteSetting.max_attachment_size_kb = 10 * 1024
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SiteSetting.authorized_extensions = "*"
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current_db = RailsMultisite::ConnectionManagement.current_db
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public_path = Rails.root.join("public")
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paths = Dir.glob(File.join(public_path, 'uploads', 'tombstone', current_db, '**', '*.*'))
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max = paths.size
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paths.each_with_index do |path, index|
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filename = File.basename(path)
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printf("%9d / %d (%5.1f%%)\n", (index + 1), max, (((index + 1).to_f / max.to_f) * 100).round(1))
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Post.where("raw LIKE ?", "%#{filename}%").find_each do |post|
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doc = Nokogiri::HTML::fragment(post.raw)
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updated = false
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image_urls = doc.css("img[src]").map { |img| img["src"] }
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attachment_urls = doc.css("a.attachment[href]").map { |a| a["href"] }
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(image_urls + attachment_urls).each do |url|
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next if !url.start_with?("/uploads/")
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next if Upload.exists?(url: url)
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puts "Restoring #{path}..."
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tombstone_path = File.join(public_path, 'uploads', 'tombstone', url.gsub(/^\/uploads\//, ""))
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if File.exists?(tombstone_path)
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File.open(tombstone_path) do |file|
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new_upload = UploadCreator.new(file, File.basename(url)).create_for(Discourse::SYSTEM_USER_ID)
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if new_upload.persisted?
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puts "Restored into #{new_upload.url}"
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DbHelper.remap(url, new_upload.url)
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updated = true
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else
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puts "Failed to create upload for #{url}: #{new_upload.errors.full_messages}."
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end
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end
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else
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puts "Failed to find file (#{tombstone_path}) in tombstone."
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end
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end
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post.rebake! if updated
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end
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sha1 = File.basename(filename, File.extname(filename))
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short_url = "upload://#{Base62.encode(sha1.hex)}"
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Post.where("raw LIKE ?", "%#{short_url}%").find_each do |post|
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puts "Restoring #{path}..."
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File.open(path) do |file|
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new_upload = UploadCreator.new(file, filename).create_for(Discourse::SYSTEM_USER_ID)
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if new_upload.persisted?
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puts "Restored into #{new_upload.short_url}"
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DbHelper.remap(short_url, new_upload.short_url) if short_url != new_upload.short_url
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post.rebake!
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else
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puts "Failed to create upload for #{filename}: #{new_upload.errors.full_messages}."
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end
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end
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end
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end
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ensure
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SiteSetting.max_image_size_kb = previous_image_size
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SiteSetting.max_attachment_size_kb = previous_attachment_size
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SiteSetting.authorized_extensions = previous_extensions
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end
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end
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################################################################################
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# regenerate_missing_optimized #
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################################################################################
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# regenerate missing optimized images
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task "uploads:regenerate_missing_optimized" => :environment do
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if ENV["RAILS_DB"]
|
|
regenerate_missing_optimized
|
|
else
|
|
RailsMultisite::ConnectionManagement.each_connection { regenerate_missing_optimized }
|
|
end
|
|
end
|
|
|
|
def regenerate_missing_optimized
|
|
db = RailsMultisite::ConnectionManagement.current_db
|
|
|
|
puts "Regenerating missing optimized images for '#{db}'..."
|
|
|
|
if Discourse.store.external?
|
|
puts "This task only works for internal storages."
|
|
return
|
|
end
|
|
|
|
public_directory = "#{Rails.root}/public"
|
|
missing_uploads = Set.new
|
|
|
|
avatar_upload_ids = UserAvatar.all.pluck(:custom_upload_id, :gravatar_upload_id).flatten.compact
|
|
|
|
default_scope = OptimizedImage.includes(:upload)
|
|
|
|
[
|
|
default_scope
|
|
.where("optimized_images.upload_id IN (?)", avatar_upload_ids),
|
|
|
|
default_scope
|
|
.where("optimized_images.upload_id NOT IN (?)", avatar_upload_ids)
|
|
.where("LENGTH(COALESCE(url, '')) > 0")
|
|
.where("width > 0 AND height > 0")
|
|
].each do |scope|
|
|
scope.find_each do |optimized_image|
|
|
upload = optimized_image.upload
|
|
|
|
next unless optimized_image.url =~ /^\/[^\/]/
|
|
next unless upload.url =~ /^\/[^\/]/
|
|
|
|
thumbnail = "#{public_directory}#{optimized_image.url}"
|
|
original = "#{public_directory}#{upload.url}"
|
|
|
|
if !File.exists?(thumbnail) || File.size(thumbnail) <= 0
|
|
# make sure the original image exists locally
|
|
if (!File.exists?(original) || File.size(original) <= 0) && upload.origin.present?
|
|
# try to fix it by redownloading it
|
|
begin
|
|
downloaded = FileHelper.download(
|
|
upload.origin,
|
|
max_file_size: SiteSetting.max_image_size_kb.kilobytes,
|
|
tmp_file_name: "discourse-missing",
|
|
follow_redirect: true
|
|
) rescue nil
|
|
if downloaded && downloaded.size > 0
|
|
FileUtils.mkdir_p(File.dirname(original))
|
|
File.open(original, "wb") { |f| f.write(downloaded.read) }
|
|
end
|
|
ensure
|
|
downloaded.try(:close!) if downloaded.respond_to?(:close!)
|
|
end
|
|
end
|
|
|
|
if File.exists?(original) && File.size(original) > 0
|
|
FileUtils.mkdir_p(File.dirname(thumbnail))
|
|
OptimizedImage.resize(original, thumbnail, optimized_image.width, optimized_image.height)
|
|
putc "#"
|
|
else
|
|
missing_uploads << original
|
|
putc "X"
|
|
end
|
|
else
|
|
putc "."
|
|
end
|
|
end
|
|
end
|
|
|
|
puts "", "Done"
|
|
|
|
if missing_uploads.size > 0
|
|
puts "Missing uploads:"
|
|
missing_uploads.sort.each { |u| puts u }
|
|
end
|
|
end
|
|
|
|
################################################################################
|
|
# migrate_to_new_scheme #
|
|
################################################################################
|
|
|
|
task "uploads:start_migration" => :environment do
|
|
SiteSetting.migrate_to_new_scheme = true
|
|
puts "Migration started!"
|
|
end
|
|
|
|
task "uploads:stop_migration" => :environment do
|
|
SiteSetting.migrate_to_new_scheme = false
|
|
puts "Migration stoped!"
|
|
end
|
|
|
|
task "uploads:analyze", [:cache_path, :limit] => :environment do |_, args|
|
|
now = Time.zone.now
|
|
current_db = RailsMultisite::ConnectionManagement.current_db
|
|
|
|
puts "Analyzing uploads for '#{current_db}'... This may take awhile...\n"
|
|
cache_path = args[:cache_path]
|
|
|
|
current_db = RailsMultisite::ConnectionManagement.current_db
|
|
uploads_path = Rails.root.join('public', 'uploads', current_db)
|
|
|
|
path =
|
|
if cache_path
|
|
cache_path
|
|
else
|
|
path = "/tmp/#{current_db}-#{now.to_i}-paths.txt"
|
|
FileUtils.touch("/tmp/#{now.to_i}-paths.txt")
|
|
`find #{uploads_path} -type f -printf '%s %h/%f\n' > #{path}`
|
|
path
|
|
end
|
|
|
|
extensions = {}
|
|
paths_count = 0
|
|
|
|
File.readlines(path).each do |line|
|
|
size, file_path = line.split(" ", 2)
|
|
|
|
paths_count += 1
|
|
extension = File.extname(file_path).chomp.downcase
|
|
extensions[extension] ||= {}
|
|
extensions[extension]["count"] ||= 0
|
|
extensions[extension]["count"] += 1
|
|
extensions[extension]["size"] ||= 0
|
|
extensions[extension]["size"] += size.to_i
|
|
end
|
|
|
|
uploads_count = Upload.count
|
|
optimized_images_count = OptimizedImage.count
|
|
|
|
puts <<~REPORT
|
|
Report for '#{current_db}'
|
|
-----------#{'-' * current_db.length}
|
|
Number of `Upload` records in DB: #{uploads_count}
|
|
Number of `OptimizedImage` records in DB: #{optimized_images_count}
|
|
**Total DB records: #{uploads_count + optimized_images_count}**
|
|
|
|
Number of images in uploads folder: #{paths_count}
|
|
------------------------------------#{'-' * paths_count.to_s.length}
|
|
|
|
REPORT
|
|
|
|
helper = Class.new do
|
|
include ActionView::Helpers::NumberHelper
|
|
end
|
|
|
|
helper = helper.new
|
|
|
|
printf "%-15s | %-15s | %-15s\n", 'extname', 'total size', 'count'
|
|
puts "-" * 45
|
|
|
|
extensions.sort_by { |_, value| value['size'] }.reverse.each do |extname, value|
|
|
printf "%-15s | %-15s | %-15s\n", extname, helper.number_to_human_size(value['size']), value['count']
|
|
end
|
|
|
|
puts "\n"
|
|
|
|
limit = args[:limit] || 10
|
|
|
|
sql = <<~SQL
|
|
SELECT
|
|
users.username,
|
|
COUNT(uploads.user_id) AS num_of_uploads,
|
|
SUM(uploads.filesize) AS total_size_of_uploads,
|
|
COUNT(optimized_images.id) AS num_of_optimized_images
|
|
FROM users
|
|
INNER JOIN uploads ON users.id = uploads.user_id
|
|
INNER JOIN optimized_images ON uploads.id = optimized_images.upload_id
|
|
GROUP BY users.id
|
|
ORDER BY total_size_of_uploads DESC
|
|
LIMIT #{limit}
|
|
SQL
|
|
|
|
puts "Users using the most disk space"
|
|
puts "-------------------------------\n"
|
|
printf "%-25s | %-25s | %-25s | %-25s\n", 'username', 'total size of uploads', 'number of uploads', 'number of optimized images'
|
|
puts "-" * 110
|
|
|
|
DB.query_single(sql).each do |username, num_of_uploads, total_size_of_uploads, num_of_optimized_images|
|
|
printf "%-25s | %-25s | %-25s | %-25s\n", username, helper.number_to_human_size(total_size_of_uploads), num_of_uploads, num_of_optimized_images
|
|
end
|
|
|
|
puts "\n"
|
|
puts "List of file paths @ #{path}"
|
|
puts "Duration: #{Time.zone.now - now} seconds"
|
|
end
|
|
|
|
task "uploads:fix_incorrect_extensions" => :environment do
|
|
require_dependency "upload_fixer"
|
|
UploadFixer.fix_all_extensions
|
|
end
|
|
|
|
task "uploads:recover" => :environment do
|
|
require_dependency "upload_recovery"
|
|
|
|
dry_run = ENV["DRY_RUN"].present?
|
|
|
|
if ENV["RAILS_DB"]
|
|
UploadRecovery.new(dry_run: dry_run).recover
|
|
else
|
|
RailsMultisite::ConnectionManagement.each_connection do |db|
|
|
UploadRecovery.new(dry_run: dry_run).recover
|
|
end
|
|
end
|
|
end
|