96 lines
3.1 KiB
Ruby
96 lines
3.1 KiB
Ruby
class CGI #:nodoc:
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module QueryExtension
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# Initialize the data from the query.
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#
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# Handles multipart forms (in particular, forms that involve file uploads).
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# Reads query parameters in the @params field, and cookies into @cookies.
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def initialize_query
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@cookies = CGI::Cookie::parse(env_table['HTTP_COOKIE'] || env_table['COOKIE'])
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# Fix some strange request environments.
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if method = env_table['REQUEST_METHOD']
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method = method.to_s.downcase.intern
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else
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method = :get
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end
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# POST assumes missing Content-Type is application/x-www-form-urlencoded.
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content_type = env_table['CONTENT_TYPE']
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if content_type.blank? && method == :post
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content_type = 'application/x-www-form-urlencoded'
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end
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# Force content length to zero if missing.
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content_length = env_table['CONTENT_LENGTH'].to_i
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# Set multipart to false by default.
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@multipart = false
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# POST and PUT may have params in entity body. If content type is
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# missing for POST, assume urlencoded. If content type is missing
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# for PUT, don't assume anything and don't parse the parameters:
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# it's likely binary data.
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#
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# The other HTTP methods have their params in the query string.
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if method == :post || method == :put
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if boundary = extract_multipart_form_boundary(content_type)
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@multipart = true
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@params = read_multipart(boundary, content_length)
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elsif content_type.blank? || content_type !~ %r{application/x-www-form-urlencoded}i
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read_params(method, content_length)
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@params = {}
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end
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end
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@params ||= CGI.parse(read_params(method, content_length))
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end
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private
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unless defined?(MULTIPART_FORM_BOUNDARY_RE)
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MULTIPART_FORM_BOUNDARY_RE = %r|\Amultipart/form-data.*boundary=\"?([^\";,]+)\"?|n #"
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end
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def extract_multipart_form_boundary(content_type)
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MULTIPART_FORM_BOUNDARY_RE.match(content_type).to_a.pop
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end
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if defined? MOD_RUBY
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def read_query
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Apache::request.args || ''
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end
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else
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def read_query
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# fixes CGI querystring parsing for lighttpd
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env_qs = env_table['QUERY_STRING']
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if env_qs.blank? && !(uri = env_table['REQUEST_URI']).blank?
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uri.split('?', 2)[1] || ''
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else
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env_qs || ''
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end
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end
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end
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def read_body(content_length)
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stdinput.binmode if stdinput.respond_to?(:binmode)
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content = stdinput.read(content_length) || ''
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# Fix for Safari Ajax postings that always append \000
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content.chop! if content[-1] == 0
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content.gsub!(/&_=$/, '')
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env_table['RAW_POST_DATA'] = content.freeze
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end
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def read_params(method, content_length)
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case method
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when :get
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read_query
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when :post, :put
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read_body(content_length)
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when :cmd
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read_from_cmdline
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else # :head, :delete, :options, :trace, :connect
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read_query
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end
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end
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end # module QueryExtension
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end
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