Code examples to follow along with http://brett.is/writing/about/third-party-tracking-pixels/
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47 lines
1.5 KiB
47 lines
1.5 KiB
from wsgiref.simple_server import make_server
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def tracking_server(environ, respond):
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"""Function used to handle all requests made to
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this tracking server
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"""
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if environ['PATH_INFO'] == '/track.js':
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return track_user(environ, respond)
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elif environ['PATH_INFO'] == '/favicon.ico':
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respond('204 NO CONTENT', [])
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return ['']
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else:
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return html_content(environ, respond)
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def track_user(environ, respond):
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"""Function used to handle the route: /track.js
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This will print environ information about the user
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to stdout and return back an empty string
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"""
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headers = [('Content-Type', 'application/javascript')]
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respond('200 OK', headers)
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prefixes = ['PATH_', 'HTTP', 'REQUEST', 'QUERY']
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for key, value in environ.iteritems():
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if any(key.startswith(prefix) for prefix in prefixes):
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print '%s: %s' % (key, value)
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return ['']
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def html_content(environ, respond):
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"""Function used to handle any route that is not /track.js
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This will return to the user a very basic html page that has
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a script that to call /track.js
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"""
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headers = [('Content-Type', 'text/html')]
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respond('200 OK', headers)
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return ['<html><head></head><body><h2>Welcome</h2><script src="/track.js"></script></body></html>\n']
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if __name__ == '__main__':
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try:
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httpd = make_server('', 8000, tracking_server)
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print 'Tracking Server Listening on Port 8000...'
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httpd.serve_forever()
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except KeyboardInterrupt:
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print 'Exiting...'
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