diff --git a/rhodecode/lib/recaptcha.py b/rhodecode/lib/recaptcha.py
new file mode 100644
--- /dev/null
+++ b/rhodecode/lib/recaptcha.py
@@ -0,0 +1,98 @@
+# -*- coding: utf-8 -*-
+import urllib
+import urllib2
+
+API_SSL_SERVER = "https://www.google.com/recaptcha/api"
+API_SERVER = "http://www.google.com/recaptcha/api"
+VERIFY_SERVER = "www.google.com"
+
+
+class RecaptchaResponse(object):
+    def __init__(self, is_valid, error_code=None):
+        self.is_valid = is_valid
+        self.error_code = error_code
+
+    def __repr__(self):
+        return '<RecaptchaResponse:%s>' % (self.is_valid)
+
+
+def displayhtml(public_key, use_ssl=False, error=None):
+    """Gets the HTML to display for reCAPTCHA
+
+    public_key -- The public api key
+    use_ssl -- Should the request be sent over ssl?
+    error -- An error message to display (from RecaptchaResponse.error_code)"""
+
+    error_param = ''
+    if error:
+        error_param = '&error=%s' % error
+
+    if use_ssl:
+        server = API_SSL_SERVER
+    else:
+        server = API_SERVER
+
+    return """<script type="text/javascript" src="%(ApiServer)s/challenge?k=%(PublicKey)s%(ErrorParam)s"></script>
+
+<noscript>
+  <iframe src="%(ApiServer)s/noscript?k=%(PublicKey)s%(ErrorParam)s" height="300" width="500" frameborder="0"></iframe><br />
+  <textarea name="recaptcha_challenge_field" rows="3" cols="40"></textarea>
+  <input type='hidden' name='recaptcha_response_field' value='manual_challenge' />
+</noscript>
+""" % {
+        'ApiServer': server,
+        'PublicKey': public_key,
+        'ErrorParam': error_param,
+    }
+
+
+def submit(recaptcha_challenge_field, recaptcha_response_field, private_key,
+           remoteip):
+    """
+    Submits a reCAPTCHA request for verification. Returns RecaptchaResponse
+    for the request
+
+    recaptcha_challenge_field -- The value of recaptcha_challenge_field from the form
+    recaptcha_response_field -- The value of recaptcha_response_field from the form
+    private_key -- your reCAPTCHA private key
+    remoteip -- the user's ip address
+    """
+
+    if not (recaptcha_response_field and recaptcha_challenge_field and
+                len(recaptcha_response_field) and len(
+            recaptcha_challenge_field)):
+        return RecaptchaResponse(is_valid=False,
+                                 error_code='incorrect-captcha-sol')
+
+    def encode_if_necessary(s):
+        if isinstance(s, unicode):
+            return s.encode('utf-8')
+        return s
+
+    params = urllib.urlencode({
+        'privatekey': encode_if_necessary(private_key),
+        'remoteip': encode_if_necessary(remoteip),
+        'challenge': encode_if_necessary(recaptcha_challenge_field),
+        'response': encode_if_necessary(recaptcha_response_field),
+    })
+
+    request = urllib2.Request(
+        url="http://%s/recaptcha/api/verify" % VERIFY_SERVER,
+        data=params,
+        headers={
+            "Content-type": "application/x-www-form-urlencoded",
+            "User-agent": "reCAPTCHA Python"
+        }
+    )
+
+    httpresp = urllib2.urlopen(request)
+
+    return_values = httpresp.read().splitlines()
+    httpresp.close()
+
+    return_code = return_values[0]
+
+    if return_code == "true":
+        return RecaptchaResponse(is_valid=True)
+    else:
+        return RecaptchaResponse(is_valid=False, error_code=return_values[1])