Detect extname from Content-Type (#7733)

This commit is contained in:
Yamagishi Kazutoshi 2018-06-05 01:58:36 +09:00 committed by Eugen Rochko
parent 1637d24af4
commit dc73241bd9
1 changed files with 27 additions and 7 deletions

View File

@ -24,15 +24,17 @@ module Remotable
Request.new(:get, url).perform do |response| Request.new(:get, url).perform do |response|
next if response.code != 200 next if response.code != 200
content_type = parse_content_type(response.headers['content-type'])
extname = detect_extname_from_content_type(content_type)
if extname.nil?
matches = response.headers['content-disposition']&.match(/filename="([^"]*)"/) matches = response.headers['content-disposition']&.match(/filename="([^"]*)"/)
filename = matches.nil? ? parsed_url.path.split('/').last : matches[1] filename = matches.nil? ? parsed_url.path.split('/').last : matches[1]
basename = SecureRandom.hex(8) extname = filename.nil? ? '' : File.extname(filename)
extname = if filename.nil?
''
else
File.extname(filename)
end end
basename = SecureRandom.hex(8)
send("#{attachment_name}=", StringIO.new(response.body_with_limit(limit))) send("#{attachment_name}=", StringIO.new(response.body_with_limit(limit)))
send("#{attachment_name}_file_name=", basename + extname) send("#{attachment_name}_file_name=", basename + extname)
@ -57,4 +59,22 @@ module Remotable
end end
end end
end end
private
def detect_extname_from_content_type(content_type)
return if content_type.nil?
type = MIME::Types[content_type].first
return if type.nil?
type.extensions.first
end
def parse_content_type(content_type)
return if content_type.nil?
content_type.split(/\s*;\s*/).first
end
end end