146 lines
3.6 KiB
Ruby
146 lines
3.6 KiB
Ruby
require 'file_store/base_store'
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module FileStore
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class LocalStore < BaseStore
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def store_upload(file, upload, content_type = nil)
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path = get_path_for_upload(file, upload)
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store_file(file, path)
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end
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def store_optimized_image(file, optimized_image)
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path = get_path_for_optimized_image(file, optimized_image)
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store_file(file, path)
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end
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def store_avatar(file, avatar, size)
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path = get_path_for_avatar(file, avatar, size)
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store_file(file, path)
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end
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def remove_upload(upload)
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remove_file(upload.url)
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end
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def remove_optimized_image(optimized_image)
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remove_file(optimized_image.url)
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end
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def has_been_uploaded?(url)
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is_relative?(url) || is_local?(url)
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end
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def absolute_base_url
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"#{Discourse.base_url_no_prefix}#{relative_base_url}"
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end
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def relative_base_url
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"/uploads/#{RailsMultisite::ConnectionManagement.current_db}"
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end
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def external?
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!internal?
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end
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def internal?
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true
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end
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def path_for(upload)
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"#{public_dir}#{upload.url}"
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end
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def avatar_template(avatar)
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relative_avatar_template(avatar)
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end
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def purge_tombstone(grace_period)
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`find #{tombstone_dir} -mtime +#{grace_period} -type f -delete`
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end
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private
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def get_path_for_upload(file, upload)
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unique_sha1 = Digest::SHA1.hexdigest("#{Time.now.to_s}#{upload.original_filename}")[0..15]
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extension = File.extname(upload.original_filename)
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clean_name = "#{unique_sha1}#{extension}"
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# path
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"#{relative_base_url}/#{upload.id}/#{clean_name}"
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end
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def get_path_for_optimized_image(file, optimized_image)
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# 1234567890ABCDEF_100x200.jpg
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filename = [
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optimized_image.sha1[6..15],
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"_#{optimized_image.width}x#{optimized_image.height}",
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optimized_image.extension,
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].join
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# path
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"#{relative_base_url}/_optimized/#{optimized_image.sha1[0..2]}/#{optimized_image.sha1[3..5]}/#{filename}"
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end
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def get_path_for_avatar(file, avatar, size)
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relative_avatar_template(avatar).gsub("{size}", size.to_s)
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end
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def relative_avatar_template(avatar)
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File.join(
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relative_base_url,
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"avatars",
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avatar.sha1[0..2],
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avatar.sha1[3..5],
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avatar.sha1[6..15],
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"{size}#{avatar.extension}"
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)
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end
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def store_file(file, path)
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# copy the file to the right location
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copy_file(file, "#{public_dir}#{path}")
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# url
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"#{Discourse.base_uri}#{path}"
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end
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def copy_file(file, path)
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FileUtils.mkdir_p(Pathname.new(path).dirname)
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# move the file to the right location
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# not using mv, cause permissions are no good on move
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File.open(path, "wb") { |f| f.write(file.read) }
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end
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def remove_file(url)
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return unless is_relative?(url)
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path = public_dir + url
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tombstone = public_dir + url.gsub("/uploads/", "/tombstone/")
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FileUtils.mkdir_p(Pathname.new(tombstone).dirname)
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FileUtils.move(path, tombstone)
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rescue Errno::ENOENT
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# don't care if the file isn't there
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end
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def is_relative?(url)
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url.start_with?(relative_base_url)
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end
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def is_local?(url)
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absolute_url = url.start_with?("//") ? SiteSetting.scheme + ":" + url : url
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absolute_url.start_with?(absolute_base_url) || absolute_url.start_with?(absolute_base_cdn_url)
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end
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def absolute_base_cdn_url
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"#{Discourse.asset_host}#{relative_base_url}"
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end
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def public_dir
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"#{Rails.root}/public"
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end
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def tombstone_dir
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public_dir + relative_base_url.gsub("/uploads/", "/tombstone/")
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end
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end
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end
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