Stream proxied content to clients

[cgiproxy] / ruby / proxy.rb

diff --git a/ruby/proxy.rb b/ruby/proxy.rb
old mode 100755 (executable)
new mode 100644 (file)
index 21a92f4..2c77d48
--- a/ruby/proxy.rb
+++ b/ruby/proxy.rb
@@ -1,6 +1,7 @@
 #!/usr/bin/env ruby
 
 require 'net/http'
+require 'net/https'
 require 'uri'
 
 class NilClass
@@ -16,19 +17,22 @@ def getParams(url)
        end
 
        url = URI.parse(url);
-       if url.scheme != "http"
+       if !["http", "https"].include? url.scheme
                raise RuntimeError, "Unsupported scheme: #{url.scheme}"
        end
 
+       use_ssl = url.scheme == 'https'
+
+       filename = url.path.split("/")[-1]
        path = url.path
        if !ENV["QUERY_STRING"].empty?
                path += "?" + ENV["QUERY_STRING"]
        end
 
-       return url.host, url.port, path
+       return url.host, url.port, use_ssl, filename, path
 end
 
-def createRequest(method, path)
+def createRequest(method, path, ffHeader)
        if method == "GET"
                req = Net::HTTP::Get.new(path)
        elsif method == "POST"
@@ -37,11 +41,10 @@ def createRequest(method, path)
        else
                raise RuntimeError, "No support for method: #{method}"
        end
-       return req
-end
 
-def insertHeaders(req)
-       req["X-Forwarded-For"] = ENV["REMOTE_ADDR"]
+       if ffHeader
+               req["X-Forwarded-For"] = ENV["REMOTE_ADDR"]
+       end
        req["Host"] = ENV["HTTP_HOST"]
        req["Cookie"] = ENV["HTTP_COOKIE"]
        req["Referer"] = ENV["HTTP_REFERER"]
@@ -54,33 +57,37 @@ def insertHeaders(req)
        req["Accept-Charset"] = ENV["HTTP_ACCEPT_CHARSET"]
        req["Accept-Encoding"] = ENV["HTTP_ACCEPT_ENCODING"]
        req["Accept-Language"] = ENV["HTTP_ACCEPT_LANGUAGE"]
+
+       return req
 end
 
-def doRequest(req, host, port)
+def doProxy(req, host, port, use_ssl, filename, outputDir)
        # Make the request
-       res = Net::HTTP.start(host, port) do |http|
-               http.request(req)
-       end
+       http = Net::HTTP.new(host, port)
+       http.use_ssl = use_ssl
+       res = http.request req do |res|
 
-       # Tweak the headers a little
-       res.delete("transfer-encoding")
-       res.delete("transfer-length")
-       res["connection"] = "close"
+               # Tweak the headers a little
+               res.delete("transfer-encoding")
+               res.delete("transfer-length")
+               res["connection"] = "close"
 
-       return res
-end
+               if res.code != "200"
+                       res["Status"] = "#{res.code} #{res.message}"
+               end
+               res.each_capitalized_name do |key|
+                       res.get_fields(key).each do |value|
+                               print "#{key}: #{value}\r\n"
+                       end
+               end
+               print "\r\n"
 
-def printResult(res)
-       if res.code != "200"
-               res["Status"] = "#{res.code} #{res.message}"
-       end
-       res.each_capitalized_name do |key|
-               res.get_fields(key).each do |value|
-                       print "#{key}: #{value}\r\n"
+               out = File.open("#{outputDir}/#{filename}", 'w')
+               res.read_body do |chunk|
+                       print chunk
+                       out.write chunk
                end
        end
-       print "\r\n"
-       print res.body
 end
 
 def debug(msg)
@@ -89,11 +96,9 @@ def debug(msg)
        }
 end
 
-def proxyTo(basePath)
-       host, port, path = getParams(basePath)
-       req = createRequest(ENV["REQUEST_METHOD"], path)
-       insertHeaders(req)
-       res = doRequest(req, host, port)
-       printResult(res)
+def proxyTo(basePath, ffHeader=True, outputDir=None)
+       host, port, use_ssl, filename, path = getParams(basePath)
+       req = createRequest(ENV["REQUEST_METHOD"], path, ffHeader)
+       doProxy(req, host, port, use_ssl, filename, outputDir)
 end