1 files changed, 27 insertions, 0 deletions
diff --git a/recaptcha/fields.py b/recaptcha/fields.py
new file mode 100644
index 0000000..ce79a6d
--- /dev/null
+++ b/recaptcha/fields.py
@@ -0,0 +1,27 @@
+from django.conf import settings
+from django import forms
+from django.utils.encoding import smart_unicode
+from django.utils.translation import ugettext_lazy as _
+
+from recaptcha.widgets import ReCaptcha
+from recaptcha.client import captcha
+
+class ReCaptchaField(forms.CharField):
+    default_error_messages = {
+        'captcha_invalid': _(u'Invalid captcha')
+    }
+
+    def __init__(self, *args, **kwargs):
+        self.widget = ReCaptcha
+        self.required = True
+        super(ReCaptchaField, self).__init__(*args, **kwargs)
+
+    def clean(self, values):
+        super(ReCaptchaField, self).clean(values[1])
+        recaptcha_challenge_value = smart_unicode(values[0])
+        recaptcha_response_value = smart_unicode(values[1])
+        check_captcha = captcha.submit(recaptcha_challenge_value, 
+            recaptcha_response_value, settings.RECAPTCHA_PRIVATE_KEY, {})
+        if not check_captcha.is_valid:
+            raise forms.util.ValidationError(self.error_messages['captcha_invalid'])
+        return values[0]