class ActionDispatch::Http::UploadedFile
Monkey patches to Ruby on Rails
Use unix file util to prove the content type sent by the browser
Public Instance Methods
initialize_with_magic(*args, &block)
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# File lib/rails/social_stream.rb, line 5 def initialize_with_magic(*args, &block) initialize_without_magic(*args, &block) if (unix_file = `which file`.try(:chomp)).present? && File.exists?(unix_file) `#{ unix_file } -v 2>&1` =~ /^file-(.*)$/ version = $1 @content_type = if version >= "4.24" `#{ unix_file } -b --mime-type #{ @tempfile.path }`.chomp else `#{ unix_file } -bi #{ @tempfile.path }`.chomp =~ /(\w*\/[\w+-\.]*)/ $1 end end end