diff options
Diffstat (limited to 'actionpack/lib/action_controller/vendor/rack-0.4.0/rack/utils.rb')
| -rw-r--r-- | actionpack/lib/action_controller/vendor/rack-0.4.0/rack/utils.rb | 318 |
1 files changed, 0 insertions, 318 deletions
diff --git a/actionpack/lib/action_controller/vendor/rack-0.4.0/rack/utils.rb b/actionpack/lib/action_controller/vendor/rack-0.4.0/rack/utils.rb deleted file mode 100644 index 25254bbdf2..0000000000 --- a/actionpack/lib/action_controller/vendor/rack-0.4.0/rack/utils.rb +++ /dev/null @@ -1,318 +0,0 @@ -require 'tempfile' - -module Rack - # Rack::Utils contains a grab-bag of useful methods for writing web - # applications adopted from all kinds of Ruby libraries. - - module Utils - # Performs URI escaping so that you can construct proper - # query strings faster. Use this rather than the cgi.rb - # version since it's faster. (Stolen from Camping). - def escape(s) - s.to_s.gsub(/([^ a-zA-Z0-9_.-]+)/n) { - '%'+$1.unpack('H2'*$1.size).join('%').upcase - }.tr(' ', '+') - end - module_function :escape - - # Unescapes a URI escaped string. (Stolen from Camping). - def unescape(s) - s.tr('+', ' ').gsub(/((?:%[0-9a-fA-F]{2})+)/n){ - [$1.delete('%')].pack('H*') - } - end - module_function :unescape - - # Stolen from Mongrel, with some small modifications: - # Parses a query string by breaking it up at the '&' - # and ';' characters. You can also use this to parse - # cookies by changing the characters used in the second - # parameter (which defaults to '&;'). - - def parse_query(qs, d = '&;') - params = {} - - (qs || '').split(/[#{d}] */n).each do |p| - k, v = unescape(p).split('=', 2) - - if cur = params[k] - if cur.class == Array - params[k] << v - else - params[k] = [cur, v] - end - else - params[k] = v - end - end - - return params - end - module_function :parse_query - - def build_query(params) - params.map { |k, v| - if v.class == Array - build_query(v.map { |x| [k, x] }) - else - escape(k) + "=" + escape(v) - end - }.join("&") - end - module_function :build_query - - # Escape ampersands, brackets and quotes to their HTML/XML entities. - def escape_html(string) - string.to_s.gsub("&", "&"). - gsub("<", "<"). - gsub(">", ">"). - gsub("'", "'"). - gsub('"', """) - end - module_function :escape_html - - def select_best_encoding(available_encodings, accept_encoding) - # http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html - - expanded_accept_encoding = - accept_encoding.map { |m, q| - if m == "*" - (available_encodings - accept_encoding.map { |m2, _| m2 }).map { |m2| [m2, q] } - else - [[m, q]] - end - }.inject([]) { |mem, list| - mem + list - } - - encoding_candidates = expanded_accept_encoding.sort_by { |_, q| -q }.map { |m, _| m } - - unless encoding_candidates.include?("identity") - encoding_candidates.push("identity") - end - - expanded_accept_encoding.find_all { |m, q| - q == 0.0 - }.each { |m, _| - encoding_candidates.delete(m) - } - - return (encoding_candidates & available_encodings)[0] - end - module_function :select_best_encoding - - # The recommended manner in which to implement a contexting application - # is to define a method #context in which a new Context is instantiated. - # - # As a Context is a glorified block, it is highly recommended that you - # define the contextual block within the application's operational scope. - # This would typically the application as you're place into Rack's stack. - # - # class MyObject - # ... - # def context app - # Rack::Utils::Context.new app do |env| - # do_stuff - # response = app.call(env) - # do_more_stuff - # end - # end - # ... - # end - # - # mobj = MyObject.new - # app = mobj.context other_app - # Rack::Handler::Mongrel.new app - class Context < Proc - alias_method :old_inspect, :inspect - attr_reader :for, :app - def initialize app_f, app_r - raise 'running context not provided' unless app_f - raise 'running context does not respond to #context' unless app_f.respond_to? :context - raise 'application context not provided' unless app_r - raise 'application context does not respond to #call' unless app_r.respond_to? :call - @for = app_f - @app = app_r - end - def inspect - "#{old_inspect} ==> #{@for.inspect} ==> #{@app.inspect}" - end - def context app_r - raise 'new application context not provided' unless app_r - raise 'new application context does not respond to #call' unless app_r.respond_to? :call - @for.context app_r - end - def pretty_print pp - pp.text old_inspect - pp.nest 1 do - pp.breakable - pp.text '=for> ' - pp.pp @for - pp.breakable - pp.text '=app> ' - pp.pp @app - end - end - end - - # A case-normalizing Hash, adjusting on [] and []=. - class HeaderHash < Hash - def initialize(hash={}) - hash.each { |k, v| self[k] = v } - end - - def to_hash - {}.replace(self) - end - - def [](k) - super capitalize(k) - end - - def []=(k, v) - super capitalize(k), v - end - - def capitalize(k) - k.to_s.downcase.gsub(/^.|[-_\s]./) { |x| x.upcase } - end - end - - # Every standard HTTP code mapped to the appropriate message. - # Stolen from Mongrel. - HTTP_STATUS_CODES = { - 100 => 'Continue', - 101 => 'Switching Protocols', - 200 => 'OK', - 201 => 'Created', - 202 => 'Accepted', - 203 => 'Non-Authoritative Information', - 204 => 'No Content', - 205 => 'Reset Content', - 206 => 'Partial Content', - 300 => 'Multiple Choices', - 301 => 'Moved Permanently', - 302 => 'Moved Temporarily', - 303 => 'See Other', - 304 => 'Not Modified', - 305 => 'Use Proxy', - 400 => 'Bad Request', - 401 => 'Unauthorized', - 402 => 'Payment Required', - 403 => 'Forbidden', - 404 => 'Not Found', - 405 => 'Method Not Allowed', - 406 => 'Not Acceptable', - 407 => 'Proxy Authentication Required', - 408 => 'Request Time-out', - 409 => 'Conflict', - 410 => 'Gone', - 411 => 'Length Required', - 412 => 'Precondition Failed', - 413 => 'Request Entity Too Large', - 414 => 'Request-URI Too Large', - 415 => 'Unsupported Media Type', - 500 => 'Internal Server Error', - 501 => 'Not Implemented', - 502 => 'Bad Gateway', - 503 => 'Service Unavailable', - 504 => 'Gateway Time-out', - 505 => 'HTTP Version not supported' - } - - # A multipart form data parser, adapted from IOWA. - # - # Usually, Rack::Request#POST takes care of calling this. - - module Multipart - EOL = "\r\n" - - def self.parse_multipart(env) - unless env['CONTENT_TYPE'] =~ - %r|\Amultipart/form-data.*boundary=\"?([^\";,]+)\"?|n - nil - else - boundary = "--#{$1}" - - params = {} - buf = "" - content_length = env['CONTENT_LENGTH'].to_i - input = env['rack.input'] - - boundary_size = boundary.size + EOL.size - bufsize = 16384 - - content_length -= boundary_size - - status = input.read(boundary_size) - raise EOFError, "bad content body" unless status == boundary + EOL - - rx = /(?:#{EOL})?#{Regexp.quote boundary}(#{EOL}|--)/ - - loop { - head = nil - body = '' - filename = content_type = name = nil - - until head && buf =~ rx - if !head && i = buf.index("\r\n\r\n") - head = buf.slice!(0, i+2) # First \r\n - buf.slice!(0, 2) # Second \r\n - - filename = head[/Content-Disposition:.* filename="?([^\";]*)"?/ni, 1] - content_type = head[/Content-Type: (.*)\r\n/ni, 1] - name = head[/Content-Disposition:.* name="?([^\";]*)"?/ni, 1] - - if filename - body = Tempfile.new("RackMultipart") - body.binmode if body.respond_to?(:binmode) - end - - next - end - - # Save the read body part. - if head && (boundary_size+4 < buf.size) - body << buf.slice!(0, buf.size - (boundary_size+4)) - end - - c = input.read(bufsize < content_length ? bufsize : content_length) - raise EOFError, "bad content body" if c.nil? || c.empty? - buf << c - content_length -= c.size - end - - # Save the rest. - if i = buf.index(rx) - body << buf.slice!(0, i) - buf.slice!(0, boundary_size+2) - - content_length = -1 if $1 == "--" - end - - if filename - body.rewind - data = {:filename => filename, :type => content_type, - :name => name, :tempfile => body, :head => head} - else - data = body - end - - if name - if name =~ /\[\]\z/ - params[name] ||= [] - params[name] << data - else - params[name] = data - end - end - - break if buf.empty? || content_length == -1 - } - - params - end - end - end - end -end |