# File lib/em-http/http_encoding.rb, line 27 def bytesize(string) string.bytesize end
Encode basic auth in an HTTP header In: Array ([user, pass]) - for basic auth
String - custom auth string (OAuth, etc)
# File lib/em-http/http_encoding.rb, line 113 def encode_auth(k,v) if v.is_a? Array FIELD_ENCODING % [k, ["Basic", Base64.encode64(v.join(":")).split.join].join(" ")] else encode_field(k,v) end end
Encode a field in an HTTP header
# File lib/em-http/http_encoding.rb, line 106 def encode_field(k, v) FIELD_ENCODING % [k, v] end
# File lib/em-http/http_encoding.rb, line 121 def encode_headers(head) head.inject('') do |result, (key, value)| # Munge keys from foo-bar-baz to Foo-Bar-Baz key = key.split('-').map { |k| k.to_s.capitalize }.join('-') result << case key when 'Authorization', 'Proxy-Authorization' encode_auth(key, value) else encode_field(key, value) end end end
# File lib/em-http/http_encoding.rb, line 41 def encode_host if @req.uri.port == 80 || @req.uri.port == 443 return @req.uri.host else @req.uri.host + ":#{@req.uri.port}" end end
URL encodes query parameters: single k=v, or a URL encoded array, if v is an array of values
# File lib/em-http/http_encoding.rb, line 74 def encode_param(k, v) if v.is_a?(Array) v.map { |e| escape(k) + "[]=" + escape(e) }.join("&") else escape(k) + "=" + escape(v) end end
# File lib/em-http/http_encoding.rb, line 59 def encode_query(uri, query) encoded_query = if query.kind_of?(Hash) query.map { |k, v| encode_param(k, v) }.join('&') else query.to_s end if uri && !uri.query.to_s.empty? encoded_query = [encoded_query, uri.query].reject {|part| part.empty?}.join("&") end encoded_query.to_s.empty? ? uri.path : "#{uri.path}?#{encoded_query}" end
# File lib/em-http/http_encoding.rb, line 49 def encode_request(method, uri, query, proxy) query = encode_query(uri, query) # Non CONNECT proxies require that you provide the full request # uri in request header, as opposed to a relative path. query = uri.join(query) if proxy HTTP_REQUEST_HEADER % [method.to_s.upcase, query] end
# File lib/em-http/http_encoding.rb, line 6 def escape(s) if defined?(EscapeUtils) EscapeUtils.escape_url(s.to_s) else s.to_s.gsub(/([^a-zA-Z0-9_.-]+)/) { '%'+$1.unpack('H2'*bytesize($1)).join('%').upcase } end end
# File lib/em-http/http_encoding.rb, line 82 def form_encode_body(obj) pairs = [] recursive = Proc.new do |h, prefix| h.each do |k,v| key = prefix == '' ? escape(k) : "#{prefix}[#{escape(k)}]" if v.is_a? Array nh = Hash.new v.size.times { |t| nh[t] = v[t] } recursive.call(nh, key) elsif v.is_a? Hash recursive.call(v, key) else pairs << "#{key}=#{escape(v)}" end end end recursive.call(obj, '') return pairs.join('&') end
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