discourse/lib/upload_fixer.rb

81 lines
2.4 KiB
Ruby

# frozen_string_literal: true
class UploadFixer
def self.fix_all_extensions
Upload
.where("uploads.extension IS NOT NULL")
.find_each { |upload| fix_extension_on_upload(upload) }
end
def self.fix_extension_on_upload(upload)
is_external = Discourse.store.external?
previous_url = upload.url.dup
source =
if is_external
"https:#{previous_url}"
else
Discourse.store.path_for(upload)
end
correct_extension = FastImage.type(source).to_s.downcase
current_extension = upload.extension.to_s.downcase
if correct_extension.present?
correct_extension = "jpg" if correct_extension == "jpeg"
current_extension = "jpg" if current_extension == "jpeg"
if correct_extension != current_extension
new_filename = change_extension(upload.original_filename, correct_extension)
new_url = change_extension(previous_url, correct_extension)
if is_external
new_url = "/#{new_url}"
source = Discourse.store.get_path_for_upload(upload)
destination = change_extension(source, correct_extension)
Discourse.store.copy_file(previous_url, source, destination)
upload.update!(
original_filename: new_filename,
url: new_url,
extension: correct_extension,
)
DbHelper.remap(previous_url, upload.url)
Discourse.store.remove_file(previous_url, source)
else
destination = change_extension(source, correct_extension)
FileUtils.copy(source, destination)
upload.update!(
original_filename: new_filename,
url: new_url,
extension: correct_extension,
)
DbHelper.remap(previous_url, upload.url)
tombstone_path = source.sub("/uploads/", "/uploads/tombstone/")
FileUtils.mkdir_p(File.dirname(tombstone_path))
FileUtils.move(source, tombstone_path)
end
end
end
rescue => e
STDERR.puts "Skipping upload: failed to correct extension on upload id: #{upload.id} #{current_extension} => #{correct_extension}"
STDERR.puts e
end
private
def self.change_extension(path, extension)
pathname = Pathname.new(path)
dirname = pathname.dirname.to_s != "." ? "#{pathname.dirname}/" : ""
basename = File.basename(path, File.extname(path))
"#{dirname}#{basename}.#{extension}"
end
end