odoo/addons/payment_paypal/controllers/main.py

86 lines
3.7 KiB
Python

# -*- coding: utf-8 -*-
try:
import simplejson as json
except ImportError:
import json
import logging
import pprint
import urllib2
import werkzeug
from openerp import http, SUPERUSER_ID
from openerp.http import request
_logger = logging.getLogger(__name__)
class PaypalController(http.Controller):
_notify_url = '/payment/paypal/ipn/'
_return_url = '/payment/paypal/dpn/'
_cancel_url = '/payment/paypal/cancel/'
def _get_return_url(self, **post):
""" Extract the return URL from the data coming from paypal. """
return_url = post.pop('return_url', '')
if not return_url:
custom = json.loads(post.pop('custom', False) or '{}')
return_url = custom.get('return_url', '/')
return return_url
def paypal_validate_data(self, **post):
""" Paypal IPN: three steps validation to ensure data correctness
- step 1: return an empty HTTP 200 response -> will be done at the end
by returning ''
- step 2: POST the complete, unaltered message back to Paypal (preceded
by cmd=_notify-validate), with same encoding
- step 3: paypal send either VERIFIED or INVALID (single word)
Once data is validated, process it. """
res = False
new_post = dict(post, cmd='_notify-validate')
cr, uid, context = request.cr, request.uid, request.context
reference = post.get('item_number')
tx = None
if reference:
tx_ids = request.registry['payment.transaction'].search(cr, uid, [('reference', '=', reference)], context=context)
if tx_ids:
tx = request.registry['payment.transaction'].browse(cr, uid, tx_ids[0], context=context)
paypal_urls = request.registry['payment.acquirer']._get_paypal_urls(cr, uid, tx and tx.acquirer_id and tx.acquirer_id.environment or 'prod', context=context)
validate_url = paypal_urls['paypal_form_url']
urequest = urllib2.Request(validate_url, werkzeug.url_encode(new_post))
uopen = urllib2.urlopen(urequest)
resp = uopen.read()
if resp == 'VERIFIED':
_logger.info('Paypal: validated data')
res = request.registry['payment.transaction'].form_feedback(cr, SUPERUSER_ID, post, 'paypal', context=context)
elif resp == 'INVALID':
_logger.warning('Paypal: answered INVALID on data verification')
else:
_logger.warning('Paypal: unrecognized paypal answer, received %s instead of VERIFIED or INVALID' % resp.text)
return res
@http.route('/payment/paypal/ipn/', type='http', auth='none', methods=['POST'])
def paypal_ipn(self, **post):
""" Paypal IPN. """
_logger.info('Beginning Paypal IPN form_feedback with post data %s', pprint.pformat(post)) # debug
self.paypal_validate_data(**post)
return ''
@http.route('/payment/paypal/dpn', type='http', auth="none", methods=['POST'])
def paypal_dpn(self, **post):
""" Paypal DPN """
_logger.info('Beginning Paypal DPN form_feedback with post data %s', pprint.pformat(post)) # debug
return_url = self._get_return_url(**post)
self.paypal_validate_data(**post)
return werkzeug.utils.redirect(return_url)
@http.route('/payment/paypal/cancel', type='http', auth="none")
def paypal_cancel(self, **post):
""" When the user cancels its Paypal payment: GET on this route """
cr, uid, context = request.cr, SUPERUSER_ID, request.context
_logger.info('Beginning Paypal cancel with post data %s', pprint.pformat(post)) # debug
return_url = self._get_return_url(**post)
return werkzeug.utils.redirect(return_url)