"""This server implementation encodes the CAPTCHA ID poorly."""
import web
from Captcha.Visual import Text, Backgrounds, Distortions, ImageCaptcha
from Captcha import Words
urls = ('/', 'index', '/(.*).jpg', 'image')
ids = []
class WeakCaptcha(ImageCaptcha):
def __init__(self, word):
self.word = word
ImageCaptcha.__init__(self)
def getLayers(self):
self.addSolution(self.word)
return [ Backgrounds.CroppedImage(),
Text.TextLayer(self.solutions[0]),
Distortions.SineWarp() ]
class index:
def GET(self):
id = Words.defaultWordList.pick().encode('rot13')
ids.append(id)
print """<html><body>
<p><img src="%s.jpg"/></p>
<p><form action="/" method="post">
Enter the word shown:
<input type="hidden" name="id" value="%s" />
<input type="text" name="word" />
</form></p>
</body></html>
""" % (id, id)
def POST(self):
i = web.input('id', 'word')
if (i.id in ids) and (i.id.decode('rot13') == i.word):
print "Passed"
ids.remove(i.id)
else:
print "Fail!"
class image:
def GET(self, id):
print WeakCaptcha(id.decode('rot13')).render().tostring('jpeg', 'RGB')
if __name__ == '__main__': web.run(urls, globals(), web.reloader)