78 lines
3.1 KiB
Python
78 lines
3.1 KiB
Python
# -*- coding: utf-8 -*-
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try:
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import simplejson as json
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except ImportError:
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import json
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import logging
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import pprint
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import urllib2
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import werkzeug
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from openerp.addons.web import http
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from openerp.addons.web.http import request
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_logger = logging.getLogger(__name__)
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class PaypalController(http.Controller):
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_notify_url = '/payment/paypal/ipn/'
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_return_url = '/payment/paypal/dpn/'
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_cancel_url = '/payment/paypal/cancel/'
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def _get_return_url(self, **post):
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""" Extract the return URL from the data coming from paypal. """
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return_url = post.pop('return_url', '')
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if not return_url:
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custom = json.loads(post.pop('custom', '{}'))
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return_url = custom.get('return_url', '/')
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return return_url
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def paypal_validate_data(self, **post):
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""" Paypal IPN: three steps validation to ensure data correctness
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- step 1: return an empty HTTP 200 response -> will be done at the end
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by returning ''
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- step 2: POST the complete, unaltered message back to Paypal (preceded
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by cmd=_notify-validate), with same encoding
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- step 3: paypal send either VERIFIED or INVALID (single word)
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Once data is validated, process it. """
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res = False
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new_post = dict(post, cmd='_notify-validate')
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urequest = urllib2.Request("https://www.sandbox.paypal.com/cgi-bin/webscr", werkzeug.url_encode(new_post))
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uopen = urllib2.urlopen(urequest)
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resp = uopen.read()
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if resp == 'VERIFIED':
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_logger.info('Paypal: validated data')
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cr, uid, context = request.cr, request.uid, request.context
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res = request.registry['payment.transaction'].form_feedback(cr, uid, post, 'paypal', context=context)
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elif resp == 'INVALID':
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_logger.warning('Paypal: answered INVALID on data verification')
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else:
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_logger.warning('Paypal: unrecognized paypal answer, received %s instead of VERIFIED or INVALID' % resp.text)
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return res
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@http.route('/payment/paypal/ipn/', type='http', auth='admin', methods=['POST'])
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def paypal_ipn(self, **post):
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""" Paypal IPN. """
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_logger.info('Beginning Paypal IPN form_feedback with post data %s', pprint.pformat(post)) # debug
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self.paypal_validate_data(**post)
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return ''
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@http.route('/payment/paypal/dpn', type='http', auth="admin", methods=['POST'])
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def paypal_dpn(self, **post):
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""" Paypal DPN """
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_logger.info('Beginning Paypal DPN form_feedback with post data %s', pprint.pformat(post)) # debug
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return_url = self._get_return_url(**post)
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self.paypal_validate_data(**post)
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return werkzeug.utils.redirect(return_url)
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@http.route('/payment/paypal/cancel', type='http', auth="admin")
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def paypal_cancel(self, **post):
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""" When the user cancels its Paypal payment: GET on this route """
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cr, uid, context = request.cr, request.uid, request.context
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_logger.info('Beginning Paypal cancel with post data %s', pprint.pformat(post)) # debug
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return_url = self._get_return_url(**post)
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return werkzeug.utils.redirect(return_url)
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