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POCreating facebook webproxy with python
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  1. POCreating facebook webproxy with python
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    copied!<p>I'm trying to create webproxy for personal use to access facebook (it is often blocked from a few locations where I happen to spend some time). </p> <p>Started from this code: <a href="http://code.google.com/p/gevent/source/browse/examples/webproxy.py?name=1.0b2" rel="nofollow">http://code.google.com/p/gevent/source/browse/examples/webproxy.py?name=1.0b2</a></p> <p>I've modified it to work with the cookies replacing urllib with requests in the following way:</p> <pre><code>def proxy_post(path, env, proxy_url, start_response): if '://' not in path: path = 'http://' + path try: #response = br.submit(path, env) response = requests.post(path, params = env) print '%s: %s' % (path, response) headers = [(k, v) for (k, v) in response.headers.items() if k not in drop_headers] scheme, netloc, path, params, query, fragment = urlparse(path) host = (scheme or 'http') + '://' + netloc except Exception, ex: sys.stderr.write('error while reading %s:\n' % path) traceback.print_exc() tb = traceback.format_exc() error_str = escape(str(ex) or ex.__class__.__name__ or 'Error') return ['&lt;h1&gt;%s&lt;/h1&gt;&lt;h2&gt;%s&lt;/h2&gt;&lt;pre&gt;%s&lt;/pre&gt;' % (error_str, escape(path), escape(tb))] else: start_response('%s OK' % response.status_code, headers) data = response.content data = fix_links(data, proxy_url, host) return [data] </code></pre> <p>But when I try to login I've got the following error:</p> <pre><code>Traceback (most recent call last): File "/usr/local/lib/python2.7/dist-packages/gevent/wsgi.py", line 116, in handle self.data.extend(result) TypeError: 'NoneType' object is not iterable &lt;WSGIServer fileno=3 address=0.0.0.0:8088&gt;: Failed to handle request: request = &lt;http_request "POST /https://www.facebook.com/login.php?login_attempt=1 HTTP/1.1" 127.0.0.1:56381&gt; application = &lt;function application at 0x2be2578&gt; 127.0.0.1 - - [2013-04-13 20:08:03] "POST /https://www.facebook.com/login.php?login_attempt=1 HTTP/1.1" 500 21 "http://127.0.0.1:8088/http://www.facebook.com" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:20.0) Gecko/20100101 Firefox/20.0" </code></pre> <p>My guess with happens because of some problem while creating WSGI response but I could figure out exactly why. </p>
 

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