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8a82ceb3bc
With this change the script: * Actually removes original large-sized images * Doesn't save processed files if their size has increased * Prevents inconsistent state
175 lines
5.1 KiB
Ruby
175 lines
5.1 KiB
Ruby
# frozen_string_literal: true
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require File.expand_path("../../config/environment", __FILE__)
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# no less than 1 megapixel
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max_image_pixels = [ARGV[0].to_i, 1_000_000].max
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puts "", "Downsizing images to no more than #{max_image_pixels} pixels"
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dimensions_count = 0
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downsized_count = 0
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def downsize_upload(upload, path, max_image_pixels)
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# Make sure the filesize is up to date
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upload.filesize = File.size(path)
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OptimizedImage.downsize(path, path, "#{max_image_pixels}@", filename: upload.original_filename)
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sha1 = Upload.generate_digest(path)
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if sha1 == upload.sha1
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puts "no sha1 change" if ENV["VERBOSE"]
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return
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end
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w, h = FastImage.size(path, timeout: 10, raise_on_failure: true)
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if !w || !h
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puts "invalid image dimensions after resizing" if ENV["VERBOSE"]
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return
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end
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# Neither #dup or #clone provide a complete copy
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original_upload = Upload.find(upload.id)
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ww, hh = ImageSizer.resize(w, h)
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new_file = true
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if existing_upload = Upload.find_by(sha1: sha1)
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upload = existing_upload
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new_file = false
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end
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before = upload.filesize
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upload.filesize = File.size(path)
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if upload.filesize > before
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puts "no filesize reduction" if ENV["VERBOSE"]
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return
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end
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upload.sha1 = sha1
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upload.width = w
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upload.height = h
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upload.thumbnail_width = ww
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upload.thumbnail_height = hh
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if new_file
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url = Discourse.store.store_upload(File.new(path), upload)
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unless url
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puts "couldn't store the upload" if ENV["VERBOSE"]
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return
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end
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upload.url = url
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end
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if ENV["VERBOSE"]
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puts "base62: #{original_upload.base62_sha1} -> #{Upload.base62_sha1(sha1)}"
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puts "sha1: #{original_upload.sha1} -> #{sha1}"
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puts "is a new file: #{new_file}"
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end
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upload.save!
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if new_file
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upload.optimized_images.each(&:destroy!)
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Discourse.store.remove_upload(original_upload)
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else
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begin
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PostUpload.where(upload_id: original_upload.id).update_all(upload_id: upload.id)
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rescue ActiveRecord::RecordNotUnique, PG::UniqueViolation
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end
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User.where(uploaded_avatar_id: original_upload.id).update_all(uploaded_avatar_id: upload.id)
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UserAvatar.where(gravatar_upload_id: original_upload.id).update_all(gravatar_upload_id: upload.id)
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UserAvatar.where(custom_upload_id: original_upload.id).update_all(custom_upload_id: upload.id)
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UserProfile.where(profile_background_upload_id: original_upload.id).update_all(profile_background_upload_id: upload.id)
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UserProfile.where(card_background_upload_id: original_upload.id).update_all(card_background_upload_id: upload.id)
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Category.where(uploaded_logo_id: original_upload.id).update_all(uploaded_logo_id: upload.id)
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Category.where(uploaded_background_id: original_upload.id).update_all(uploaded_background_id: upload.id)
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CustomEmoji.where(upload_id: original_upload.id).update_all(upload_id: upload.id)
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ThemeField.where(upload_id: original_upload.id).update_all(upload_id: upload.id)
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end
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original_upload.posts.each do |post|
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post.raw.gsub!(/upload:\/\/#{original_upload.base62_sha1}(\.#{original_upload.extension})?/, upload.short_url)
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post.raw.gsub!(Discourse.store.cdn_url(original_upload.url), Discourse.store.cdn_url(upload.url))
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if post.raw_changed?
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puts "updating post #{post.id}" if ENV["VERBOSE"]
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post.save!
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else
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puts "Could find the upload path in post.raw (post_id: #{post.id})" if ENV["VERBOSE"]
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end
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post.rebake!
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end
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original_upload.reload.destroy! unless new_file
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puts "" if ENV["VERBOSE"]
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true
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end
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scope = Upload
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.where("LOWER(extension) IN ('jpg', 'jpeg', 'gif', 'png')")
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.where("COALESCE(width, 0) = 0 OR COALESCE(height, 0) = 0 OR COALESCE(thumbnail_width, 0) = 0 OR COALESCE(thumbnail_height, 0) = 0 OR width * height > ?", max_image_pixels)
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puts "Uploads to process: #{scope.count}"
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scope.find_each do |upload|
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print "\rFixed dimensions: %8d Downsized: %8d (upload id: #{upload.id})".freeze % [dimensions_count, downsized_count]
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puts "\n" if ENV["VERBOSE"]
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source = upload.local? ? Discourse.store.path_for(upload) : "https:#{upload.url}"
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unless source
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puts "no path or URL" if ENV["VERBOSE"]
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next
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end
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w, h = FastImage.size(source, timeout: 10)
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if !w || !h
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puts "invalid image dimensions" if ENV["VERBOSE"]
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next
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end
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ww, hh = ImageSizer.resize(w, h)
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if w == 0 || h == 0 || ww == 0 || hh == 0
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puts "invalid image dimensions" if ENV["VERBOSE"]
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next
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end
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if upload.read_attribute(:width) != w || upload.read_attribute(:height) != h || upload.read_attribute(:thumbnail_width) != ww || upload.read_attribute(:thumbnail_height) != hh
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puts "Correcting the upload dimensions" if ENV["VERBOSE"]
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dimensions_count += 1
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upload.update!(
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width: w,
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height: h,
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thumbnail_width: ww,
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thumbnail_height: hh,
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)
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end
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if w * h < max_image_pixels
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puts "image size within allowed range" if ENV["VERBOSE"]
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next
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end
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path = upload.local? ? source : (Discourse.store.download(upload) rescue nil)&.path
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unless path
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puts "no image path" if ENV["VERBOSE"]
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next
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end
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downsized_count += 1 if downsize_upload(upload, path, max_image_pixels)
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end
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puts "", "Done"
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