Produits Entr'ouvert » EOPayment

    __all__.extend(['KEYWARE', 'MOLLIE'])

MOLLIE = 'mollie'

              TIPI, PAYFIP_WS, KEYWARE, MOLLIE]

    def clean_amount(amount, min_amount=0, max_amount=None, cents=True):

        if cents:

            amount *= Decimal('100')  # convert to cents

            amount = amount.to_integral_value(ROUND_DOWN)

# eopayment - online payment library

# Copyright (C) 2011-2020 Entr'ouvert

#

# This program is free software: you can redistribute it and/or modify it

# under the terms of the GNU Affero General Public License as published

# by the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU Affero General Public License for more details.

#

# You should have received a copy of the GNU Affero General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

from gettext import gettext as _

import requests

from six.moves.urllib.parse import parse_qs, urljoin

from .common import (CANCELLED, ERROR, PAID, URL, PaymentCommon,

                     PaymentException, PaymentResponse, ResponseError)

__all__ = ['Payment']

class Payment(PaymentCommon):

    '''Implements Mollie API, see https://docs.mollie.com/reference/v2/.'''

    service_url = 'https://api.mollie.com/v2/payments'

    description = {

        'caption': 'Mollie payment backend',

        'parameters': [

            {

                'name': 'normal_return_url',

                'caption': _('Normal return URL'),

                'required': True,

            },

            {

                'name': 'automatic_return_url',

                'caption': _('Asychronous return URL'),

                'required': True,

            },

            {

                'name': 'service_url',

                'caption': _('URL of the payment service'),

                'default': service_url,

                'type': str,

                'validation': lambda x: x.startswith('https'),

            },

            {

                'name': 'api_key',

                'caption': _('API key'),

                'required': True,

                'validation': lambda x: x.startswith('test_') or x.startswith('live_'),

            },

            {

                'name': 'description',

                'caption': _('General description that will be displayed for all payments'),

                'default': 'Publik',

            },

            {

                'name': 'payment_methods',

                'caption': _('Allowed payment methods'),

                'type': list,

            },

        ],

    }

    def request(self, amount, email=None, first_name=None, last_name=None, **kwargs):

        amount = self.clean_amount(amount, cents=False)

        body = {

            'amount': {

                'value': amount,

                'currency': 'EUR',

            },

            'redirectUrl': self.normal_return_url,

            'webhookUrl': self.automatic_return_url,

            'metadata': {

                'email_address': email,

                'first_name': first_name,

                'last_name': last_name,

            },

            'description': self.description,

        }

        if self.payment_methods:

            if len(self.payment_methods) == 1:

                body['method'] = self.payment_methods[0]

            else:

                body['method'] = self.payment_methods

        resp = self.call_endpoint('POST', 'payments', data=body)

        return resp['id'], URL, resp['_links']['checkout']['href']

    def response(self, query_string, **kwargs):

        fields = parse_qs(query_string)

        payment_id = fields['id'][0]

        resp = self.call_endpoint('GET', 'payments/' + payment_id)

        status = resp['status']

        if status == 'paid':

            result = PAID

        elif status in ('canceled', 'expired'):

            result = CANCELLED

        else:

            result = ERROR

        response = PaymentResponse(

            result=result,

            signed=True,

            bank_data=resp,

            order_id=payment_id,

            transaction_id=payment_id,

            bank_status=status,

            test=resp['mode'] == 'test'

        )

        return response

    def cancel(self, amount, bank_data, **kwargs):

        payment_id = bank_data['id']

        if not bank_data.get('isCancelable'):

            raise ResponseError('payment %s cannot be canceled' % payment_id)

        resp = self.call_endpoint('DELETE', 'payments/' + payment_id)

        status = resp['status']

        if not status == 'canceled':

            raise ResponseError('expected "canceled" status, got "%s" instead' % status)

        return resp

    def call_endpoint(self, method, endpoint, data=None):

        url = urljoin(self.service_url, endpoint)

        headers = {'Authorization': 'Bearer %s' % self.api_key}

        try:

            response = requests.request(method, url, headers=headers, json=data)

        except requests.exceptions.RequestException as e:

            raise PaymentException('%s error on endpoint "%s": %s' % (method, endpoint, e))

        try:

            result = response.json()

        except ValueError:

            self.logger.debug('received invalid json %r', response.text)

            raise PaymentException('%s on endpoint "%s" returned invalid JSON: %s' %

                                   (method, endpoint, response.text))

        self.logger.debug('received "%s" with status %s', result, response.status_code)

        try:

            response.raise_for_status()

        except requests.exceptions.HTTPError as e:

            raise PaymentException(

                '%s error on endpoint "%s": %s "%s"' % (method, endpoint, e,

                                                        result.get('detail', result)))

        return result

# eopayment - online payment library

# Copyright (C) 2011-2020 Entr'ouvert

#

# This program is free software: you can redistribute it and/or modify it

# under the terms of the GNU Affero General Public License as published

# by the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU Affero General Public License for more details.

#

# You should have received a copy of the GNU Affero General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

import json

import requests

import six

import eopayment

import pytest

from eopayment.mollie import Payment

from httmock import remember_called, response, urlmatch, with_httmock

pytestmark = pytest.mark.skipif(six.PY2, reason='this payment module only supports python3')

WEBHOOK_URL = 'https://callback.example.com'

RETURN_URL = 'https://return.example.com'

API_KEY = 'test'

PAYMENT_ID = "tr_7UhSN1zuXS"

QUERY_STRING = 'id=' + PAYMENT_ID

POST_PAYMENTS_RESPONSE = {

    "resource": "payment",

    "id": PAYMENT_ID,

    "mode": "test",

    "createdAt": "2018-03-20T09:13:37+00:00",

    "amount": {

        "value": "3.50",

        "currency": "EUR"

    },

    "description": "Payment #12345",

    "method": "null",

    "status": "open",

    "isCancelable": True,

    "expiresAt": "2018-03-20T09:28:37+00:00",

    "sequenceType": "oneoff",

    "redirectUrl": "https://webshop.example.org/payment/12345/",

    "webhookUrl": "https://webshop.example.org/payments/webhook/",

    "_links": {

        "checkout": {

            "href": "https://www.mollie.com/payscreen/select-method/7UhSN1zuXS",

            "type": "text/html"

        },

    }

}

GET_PAYMENTS_RESPONSE = {

    "amount": {

        "currency": "EUR",

        "value": "3.50"

    },

    "amountRefunded": {

        "currency": "EUR",

        "value": "0.00"

    },

    "amountRemaining": {

        "currency": "EUR",

        "value": "3.50"

    },

    "countryCode": "FR",

    "createdAt": "2020-05-06T13:04:26+00:00",

    "description": "Publik",

    "details": {

        "cardAudience": "consumer",

        "cardCountryCode": "NL",

        "cardHolder": "T. TEST",

        "cardLabel": "Mastercard",

        "cardNumber": "6787",

        "cardSecurity": "normal",

        "feeRegion": "other"

    },

    "id": PAYMENT_ID,

    "metadata": {

        "email_address": "test@entrouvert.com",

        "first_name": "test",

        "last_name": "test"

    },

    "isCancelable": True,

    "method": "creditcard",

    "mode": "test",

    "paidAt": "2020-05-06T14:01:04+00:00",

    "profileId": "pfl_WNPCPTGepu",

    "redirectUrl": "https://localhost/lingo/return-payment-backend/3/MTAw.1jWJis.6TbbjwSEurag6v4Z2VCheISBFjw/",

    "resource": "payment",

    "sequenceType": "oneoff",

    "settlementAmount": {

        "currency": "EUR",

        "value": "3.50"

    },

    "status": "paid",

    "webhookUrl": "https://localhost/lingo/callback-payment-backend/3/"

}

@remember_called

@urlmatch(scheme='https', netloc='api.mollie.com', path='/v2/payments', method='POST')

def add_payment(url, request):

    return response(200, POST_PAYMENTS_RESPONSE, request=request)

@remember_called

@urlmatch(scheme='https', netloc='api.mollie.com', path='/v2/payments', method='GET')

def successful_payment(url, request):

    return response(200, GET_PAYMENTS_RESPONSE, request=request)

@remember_called

@urlmatch(scheme='https', netloc='api.mollie.com', path=r'/v2/payments', method='DELETE')

def canceled_payment(url, request):

    resp = GET_PAYMENTS_RESPONSE.copy()

    resp['status'] = 'canceled'

    return response(200, resp, request=request)

@remember_called

@urlmatch(scheme='https', netloc='api.mollie.com', path='/v2/payments')

def failed_payment(url, request):

    resp = GET_PAYMENTS_RESPONSE.copy()

    resp['status'] = 'failed'

    return response(200, resp, request=request)

@remember_called

@urlmatch(scheme='https', netloc='api.mollie.com', path='/v2/payments')

def expired_payment(url, request):

    resp = GET_PAYMENTS_RESPONSE.copy()

    resp['status'] = 'expired'

    return response(200, resp, request=request)

@remember_called

@urlmatch(scheme='https', netloc='api.mollie.com', path=r'/v2/payments', method='GET')

def canceled_payment_get(url, request):

    resp = GET_PAYMENTS_RESPONSE.copy()

    resp['status'] = 'canceled'

    return response(200, resp, request=request)

@remember_called

@urlmatch(scheme='https', netloc='api.mollie.com', path='/v2/payments', method='GET')

def connection_error(url, request):

    raise requests.ConnectionError('test msg')

@remember_called

@urlmatch(scheme='https', netloc='api.mollie.com', path='/v2/payments', method='GET')

def http_error(url, request):

    error_payload = {

        'status': 404,

        'title': 'Not Found',

        'detail': 'No payment exists with token hop.',

    }

    return response(400, error_payload, request=request)

@remember_called

@urlmatch(scheme='https', netloc='api.mollie.com', path='/v2/payments', method='GET')

def invalid_json(url, request):

    return response(200, '{', request=request)

@pytest.fixture

def mollie():

    return Payment({

        'normal_return_url': RETURN_URL,

        'automatic_return_url': WEBHOOK_URL,

        'api_key': API_KEY,

    })

@pytest.fixture

def mollie_credit_card(mollie):

    mollie.payment_methods = ['creditcard']

    return mollie

@with_httmock(add_payment)

def test_mollie_request(mollie):

    email = 'test@test.com'

    payment_id, kind, url = mollie.request(2.5, email=email)

    assert payment_id == PAYMENT_ID

    assert kind == eopayment.URL

    assert 'mollie.com/payscreen/' in url

    body = json.loads(add_payment.call['requests'][0].body.decode())

    assert body['amount']['value'] == '2.5'

    assert body['amount']['currency'] == 'EUR'

    assert body['metadata']['email_address'] == email

    assert body['webhookUrl'] == WEBHOOK_URL

    assert body['redirectUrl'] == RETURN_URL

@with_httmock(add_payment)

def test_mollie_request_payment_method(mollie_credit_card):

    payment_id, kind, url = mollie_credit_card.request(2.5)

    body = json.loads(add_payment.call['requests'][0].body.decode())

    assert body['method'] == 'creditcard'

@with_httmock(successful_payment)

def test_mollie_response(mollie):

    payment_response = mollie.response(QUERY_STRING)

    assert payment_response.result == eopayment.PAID

    assert payment_response.signed is True

    assert payment_response.bank_data == GET_PAYMENTS_RESPONSE

    assert payment_response.order_id == PAYMENT_ID

    assert payment_response.transaction_id == PAYMENT_ID

    assert payment_response.bank_status == 'paid'

    assert payment_response.test is True

    request = successful_payment.call['requests'][0]

    assert PAYMENT_ID in request.url

@with_httmock(failed_payment)

def test_mollie_response_failed(mollie):

    payment_response = mollie.response(QUERY_STRING)

    assert payment_response.result == eopayment.ERROR

@with_httmock(canceled_payment_get)

def test_mollie_response_canceled(mollie):

    payment_response = mollie.response(QUERY_STRING)

    assert payment_response.result == eopayment.CANCELED

@with_httmock(expired_payment)

def test_mollie_response_expired(mollie):

    payment_response = mollie.response(QUERY_STRING)

    assert payment_response.result == eopayment.CANCELED

@with_httmock(canceled_payment)

def test_mollie_cancel(mollie):

    resp = mollie.cancel(amount=42, bank_data=POST_PAYMENTS_RESPONSE)

    request = canceled_payment.call['requests'][0]

    assert PAYMENT_ID in request.url

@with_httmock(failed_payment)

def test_mollie_cancel_error(mollie):

    with pytest.raises(eopayment.ResponseError) as excinfo:

        mollie.cancel(amount=995, bank_data=POST_PAYMENTS_RESPONSE)

        assert 'expected "canceled" status, got "error" instead' in str(excinfo.value)

@with_httmock(connection_error)

def test_mollie_endpoint_connection_error(mollie):

    with pytest.raises(eopayment.PaymentException) as excinfo:

        mollie.call_endpoint('GET', 'payments')

        assert 'test msg' in str(excinfo.value)

@with_httmock(http_error)

def test_mollie_endpoint_http_error(mollie):

    with pytest.raises(eopayment.PaymentException) as excinfo:

        mollie.call_endpoint('GET', 'payments')

        assert 'Not Found' in str(excinfo.value)

        assert 'token' in str(excinfo.value)

@with_httmock(invalid_json)

def test_mollie_endpoint_json_error(mollie):

    with pytest.raises(eopayment.PaymentException) as excinfo:

        mollie.call_endpoint('GET', 'payments')

        assert 'JSON' in str(excinfo.value)