43 lines
1.2 KiB
Python
43 lines
1.2 KiB
Python
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# -*- coding: utf-8 -*-
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from flask import current_app, Markup
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from flask import json
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from werkzeug import url_encode
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JSONEncoder = json.JSONEncoder
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RECAPTCHA_SCRIPT = u'https://www.google.com/recaptcha/api.js'
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RECAPTCHA_TEMPLATE = u'''
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<script src='%s' async defer></script>
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<div class="g-recaptcha" %s></div>
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'''
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__all__ = ["RecaptchaWidget"]
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class RecaptchaWidget(object):
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def recaptcha_html(self, public_key):
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html = current_app.config.get('RECAPTCHA_HTML')
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if html:
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return Markup(html)
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params = current_app.config.get('RECAPTCHA_PARAMETERS')
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script = RECAPTCHA_SCRIPT
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if params:
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script += u'?' + url_encode(params)
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attrs = current_app.config.get('RECAPTCHA_DATA_ATTRS', {})
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attrs['sitekey'] = public_key
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snippet = u' '.join([u'data-%s="%s"' % (k, attrs[k]) for k in attrs])
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return Markup(RECAPTCHA_TEMPLATE % (script, snippet))
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def __call__(self, field, error=None, **kwargs):
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"""Returns the recaptcha input HTML."""
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try:
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public_key = current_app.config['RECAPTCHA_PUBLIC_KEY']
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except KeyError:
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raise RuntimeError("RECAPTCHA_PUBLIC_KEY config not set")
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return self.recaptcha_html(public_key)
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