From e34178f4c9f3c96350195a8e3263615314de5c1c Mon Sep 17 00:00:00 2001
From: crschmidt <crschmidt@crschmidt.net>
Date: Tue, 18 Sep 2007 15:47:08 +0000
Subject: [PATCH] In discussion with Jachym, Tim pointed out that he has
 already written a proxy that supports post -- and his was more complete. Pull
 in Tim's. (This is from the wfsv sandbox.) Thanks, Tim. (See #991)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@4371 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
---
 examples/proxy.cgi | 59 +++++++++++++++++++++++++++-------------------
 1 file changed, 35 insertions(+), 24 deletions(-)

diff --git a/examples/proxy.cgi b/examples/proxy.cgi
index 6d1d9c70d1..8743894a97 100755
--- a/examples/proxy.cgi
+++ b/examples/proxy.cgi
@@ -9,24 +9,28 @@ people can use this proxy to browse the web and possibly do bad stuff
 with it.  It only loads pages via http and https, but it can load any
 content type. It supports GET and POST requests."""
 
-import urllib
+import urllib2
 import cgi
-import os
-import sys
+import sys, os
 
 # Designed to prevent Open Proxy type stuff.
 
 allowedHosts = ['www.openlayers.org', 'openlayers.org', 
                 'labs.metacarta.com', 'world.freemap.in', 
-                'prototype.openmnnd.org']
+                'prototype.openmnnd.org', 'geo.openplans.org']
 
-# HTTP GET
-if os.getenv("REQUEST_METHOD") != "POST":
-    fs = cgi.FieldStorage()
-    url = fs.getvalue('url', "http://openlayers.org")
-# HTTP POST
+method = os.environ["REQUEST_METHOD"]
+
+if method == "POST":
+    qs = os.environ["QUERY_STRING"]
+    d = cgi.parse_qs(qs)
+    if d.has_key("url"):
+        url = d["url"][0]
+    else:
+        url = "http://www.openlayers.org"
 else:
-    url = urllib.unquote(os.getenv("QUERY_STRING").split("=")[1])
+    fs = cgi.FieldStorage()
+    url = fs.getvalue('url', "http://www.openlayers.org")
 
 try:
     host = url.split("/")[2]
@@ -35,29 +39,36 @@ try:
         print "Content-Type: text/plain"
         print
         print "This proxy does not allow you to access that location."
-    
+        print 
+        print os.environ
+  
     elif url.startswith("http://") or url.startswith("https://"):
     
-        # HTTP GET
-        if os.getenv("REQUEST_METHOD") != "POST":
-            y = urllib.urlopen(url)
-        # HTTP POST
+        if method == "POST":
+            length = int(os.environ["CONTENT_LENGTH"])
+            headers = {"Content-Type": os.environ["CONTENT_TYPE"]}
+            body = sys.stdin.read(length)
+            r = urllib2.Request(url, body, headers)
+            y = urllib2.urlopen(r)
         else:
-            y = urllib.urlopen(url,sys.stdin.read())
-
-        headers = str(y.info()).split('\n')
-        for h in headers:
-            if h.startswith("Content-Type:"):
-                print h
+            y = urllib2.urlopen(url)
+        
+        # print content type header
+        i = y.info()
+        if i.has_key("Content-Type"):
+            print "Content-Type: %s" % (i["Content-Type"])
+        else:
+            print "Content-Type: text/plain"
         print
         
         print y.read()
         
         y.close()
     else:
-        print """Content-Type: text/plain
- 
-Illegal request."""
+        print "Content-Type: text/plain"
+        print
+        print "Illegal request."
+
 except Exception, E:
     print "Status: 500 Unexpected Error"
     print "Content-Type: text/plain"