X-Git-Url: https://code.delx.au/cgiproxy/blobdiff_plain/a5186af9c8968fe91479770e9cb06d312952958c..0faded7b34470dde962855b9584453be238e656a:/ruby/proxy.rb

diff --git a/ruby/proxy.rb b/ruby/proxy.rb
old mode 100755
new mode 100644
index 4eb744b..7e3cf66
--- a/ruby/proxy.rb
+++ b/ruby/proxy.rb
@@ -1,94 +1,111 @@
 #!/usr/bin/env ruby
 
 require 'net/http'
+require 'net/https'
 require 'uri'
 
 class NilClass
-	# Make it easier to check for empty string or nil
-	def empty?; true; end
-	def to_s; ""; end
+    # Make it easier to check for empty string or nil
+    def empty?; true; end
+    def to_s; ""; end
 end
 
 
-def getParams(url)
-	if !ENV["PATH_INFO"].empty?
-		url += ENV["PATH_INFO"]
-	end
+def get_params(url)
+    if !ENV["PATH_INFO"].empty?
+        url += ENV["PATH_INFO"]
+    end
 
-	url = URI.parse(url);
-	if url.scheme != "http"
-		raise RuntimeError, "Unsupported scheme: #{url.scheme}"
-	end
+    url = URI.parse(url);
+    if !["http", "https"].include? url.scheme
+        raise RuntimeError, "Unsupported scheme: #{url.scheme}"
+    end
 
-	path = url.path
-	if !ENV["QUERY_STRING"].empty?
-		path += "?" + ENV["QUERY_STRING"]
-	end
+    use_ssl = url.scheme == 'https'
 
-	return url.host, url.port, path
-end
+    filename = url.path.split("/")[-1]
+    path = url.path
+    if !ENV["QUERY_STRING"].empty?
+        path += "?" + ENV["QUERY_STRING"]
+    end
 
-def createRequest(method, path)
-	if method == "GET"
-		req = Net::HTTP::Get.new(path)
-	elsif method == "POST"
-		req = Net::HTTP::Post.new(path)
-		req.body = $stdin.read()
-	else
-		raise RuntimeError, "No support for method: #{method}"
-	end
-	return req
+    return url.host, url.port, use_ssl, filename, path
 end
 
-def insertHeaders(req)
-	req["X-Forwarded-For"] = ENV["REMOTE_ADDR"]
-	req["Host"] = ENV["HTTP_HOST"]
-	req["Cookie"] = ENV["HTTP_COOKIE"]
-	req["Referer"] = ENV["HTTP_REFERER"]
-	req["Content-Length"] = ENV["CONTENT_LENGTH"]
-	req["Content-Type"] = ENV["CONTENT_TYPE"]
-	req["User-Agent"] = ENV["HTTP_USER_AGENT"]
-	req["Cache-Control"] = ENV["HTTP_CACHE_CONTROL"]
-	req["Authorization"] = ENV["HTTP_AUTHORIZATION"]
-	req["Accept"] = ENV["HTTP_ACCEPT"]
-	req["Accept-Charset"] = ENV["HTTP_ACCEPT_CHARSET"]
-	req["Accept-Encoding"] = ENV["HTTP_ACCEPT_ENCODING"]
-	req["Accept-Language"] = ENV["HTTP_ACCEPT_LANGUAGE"]
+def add_header(req, env_key, header_key)
+    value = ENV[env_key]
+    if !value.empty?
+        req[header_key] = value
+    end
 end
 
-def doRequest(req, host, port)
-	# Make the request
-	res = Net::HTTP.start(host, port) do |http|
-		http.request(req)
-	end
-
-	# Tweak the headers a little
-	res.delete("transfer-encoding")
-	res.delete("transfer-length")
-	res["connection"] = "close"
-
-	return res
+def create_request(method, path, ff_header)
+    if method == "GET"
+        req = Net::HTTP::Get.new(path)
+    elsif method == "POST"
+        req = Net::HTTP::Post.new(path)
+        req.body = $stdin.read()
+    else
+        raise RuntimeError, "No support for method: #{method}"
+    end
+
+    if ff_header
+        add_header(req, "REMOTE_ADDR", "X-Forwarded-For")
+    end
+    add_header(req, "HTTP_HOST", "Host")
+    add_header(req, "HTTP_COOKIE", "Cookie")
+    add_header(req, "HTTP_REFERER", "Referer")
+    add_header(req, "CONTENT_LENGTH", "Content-Length")
+    add_header(req, "CONTENT_TYPE", "Content-Type")
+    add_header(req, "HTTP_USER_AGENT", "User-Agent")
+    add_header(req, "HTTP_CACHE_CONTROL", "Cache-Control")
+    add_header(req, "HTTP_AUTHORIZATION", "Authorization")
+    add_header(req, "HTTP_ACCEPT", "Accept")
+    add_header(req, "HTTP_ACCEPT_CHARSET", "Accept-Charset")
+    add_header(req, "HTTP_ACCEPT_ENCODING", "Accept-Encoding")
+    add_header(req, "HTTP_ACCEPT_LANGUAGE", "Accept-Language")
+
+    return req
 end
 
-def printResult(res)
-	res.each_capitalized do |key, value|
-		print "#{key}: #{value}\r\n"
-	end
-	print "\r\n"
-	print res.body
+def do_proxy(req, host, port, use_ssl, filename, output_dir)
+    # Make the request
+    http = Net::HTTP.new(host, port)
+    http.use_ssl = use_ssl
+    res = http.request req do |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|
+                $stdout.write "#{key}: #{value}\r\n"
+            end
+        end
+        $stdout.write "\r\n"
+
+        out = nil
+        if output_dir
+            out = File.open("#{output_dir}/#{filename}", 'w')
+        end
+        res.read_body do |chunk|
+            $stdout.write chunk
+            if out
+                out.write chunk
+            end
+        end
+    end
 end
 
 def debug(msg)
-	File.open("/tmp/debuglog.txt", "a") { |f|
-		f << Time.new.to_s + " " + msg + "\n"
-	}
+    File.open("/tmp/debuglog.txt", "a") { |f|
+        f << Time.new.to_s + " " + msg + "\n"
+    }
 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 proxy_to(base_path, ff_header=True, output_dir=nil)
+    host, port, use_ssl, filename, path = get_params(base_path)
+    req = create_request(ENV["REQUEST_METHOD"], path, ff_header)
+    do_proxy(req, host, port, use_ssl, filename, output_dir)
 end