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1 | <?php |
2 | /* | |
3 | +--------------------------------------------------------------------+ | |
39de6fd5 | 4 | | CiviCRM version 4.6 | |
6a488035 TO |
5 | +--------------------------------------------------------------------+ |
6 | | This file is a part of CiviCRM. | | |
7 | | | | |
8 | | CiviCRM is free software; you can copy, modify, and distribute it | | |
9 | | under the terms of the GNU Affero General Public License | | |
10 | | Version 3, 19 November 2007 and the CiviCRM Licensing Exception. | | |
11 | | | | |
12 | | CiviCRM is distributed in the hope that it will be useful, but | | |
13 | | WITHOUT ANY WARRANTY; without even the implied warranty of | | |
14 | | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | | |
15 | | See the GNU Affero General Public License for more details. | | |
16 | | | | |
17 | | You should have received a copy of the GNU Affero General Public | | |
18 | | License and the CiviCRM Licensing Exception along | | |
19 | | with this program; if not, contact CiviCRM LLC | | |
20 | | at info[AT]civicrm[DOT]org. If you have questions about the | | |
21 | | GNU Affero General Public License or the licensing of CiviCRM, | | |
22 | | see the CiviCRM license FAQ at http://civicrm.org/licensing | | |
23 | +--------------------------------------------------------------------+ | |
24 | */ | |
25 | ||
26 | ||
27 | /* | |
d424ffde CW |
28 | * PxPay Functionality Copyright (C) 2008 Lucas Baker, Logistic Information Systems Limited (Logis) |
29 | * PxAccess Functionality Copyright (C) 2008 Eileen McNaughton | |
30 | * Licensed to CiviCRM under the Academic Free License version 3.0. | |
31 | * | |
32 | * Grateful acknowledgements go to Donald Lobo for invaluable assistance | |
33 | * in creating this payment processor module | |
34 | */ | |
4c6ce474 EM |
35 | |
36 | /** | |
37 | * Class CRM_Core_Payment_PaymentExpressIPN | |
38 | */ | |
6a488035 TO |
39 | class CRM_Core_Payment_PaymentExpressIPN extends CRM_Core_Payment_BaseIPN { |
40 | ||
41 | /** | |
42 | * We only need one instance of this object. So we use the singleton | |
43 | * pattern and cache the instance in this variable | |
44 | * | |
45 | * @var object | |
6a488035 TO |
46 | */ |
47 | static private $_singleton = NULL; | |
48 | ||
49 | /** | |
100fef9d | 50 | * Mode of operation: live or test |
6a488035 TO |
51 | * |
52 | * @var object | |
53 | */ | |
54 | protected $_mode = NULL; | |
55 | ||
6c786a9b | 56 | /** |
100fef9d | 57 | * @param string $name |
6c786a9b EM |
58 | * @param $type |
59 | * @param $object | |
60 | * @param bool $abort | |
61 | * | |
62 | * @return mixed | |
63 | */ | |
00be9182 | 64 | public static function retrieve($name, $type, $object, $abort = TRUE) { |
6a488035 TO |
65 | $value = CRM_Utils_Array::value($name, $object); |
66 | if ($abort && $value === NULL) { | |
67 | CRM_Core_Error::debug_log_message("Could not find an entry for $name"); | |
68 | echo "Failure: Missing Parameter - " . $name . "<p>"; | |
69 | exit(); | |
70 | } | |
71 | ||
72 | if ($value) { | |
73 | if (!CRM_Utils_Type::validate($value, $type)) { | |
74 | CRM_Core_Error::debug_log_message("Could not find a valid entry for $name"); | |
75 | echo "Failure: Invalid Parameter<p>"; | |
76 | exit(); | |
77 | } | |
78 | } | |
79 | ||
80 | return $value; | |
81 | } | |
82 | ||
83 | /** | |
84 | * Constructor | |
85 | * | |
6a0b768e TO |
86 | * @param string $mode |
87 | * The mode of operation: live or test. | |
6a488035 | 88 | * |
77b97be7 EM |
89 | * @param $paymentProcessor |
90 | * | |
91 | * @return \CRM_Core_Payment_PaymentExpressIPN | |
6a488035 | 92 | */ |
00be9182 | 93 | public function __construct($mode, &$paymentProcessor) { |
6a488035 TO |
94 | parent::__construct(); |
95 | ||
96 | $this->_mode = $mode; | |
97 | $this->_paymentProcessor = $paymentProcessor; | |
98 | } | |
99 | ||
6a488035 TO |
100 | /** |
101 | * The function gets called when a new order takes place. | |
102 | * | |
dd244018 | 103 | * @param $success |
6a0b768e TO |
104 | * @param array $privateData |
105 | * Contains the name value pair of <merchant-private-data>. | |
6a488035 | 106 | * |
dd244018 EM |
107 | * @param $component |
108 | * @param $amount | |
109 | * @param $transactionReference | |
6a488035 | 110 | * |
dd244018 EM |
111 | * @internal param \xml $dataRoot response send by google in xml format |
112 | * @return void | |
6a488035 | 113 | */ |
00be9182 | 114 | public function newOrderNotify($success, $privateData, $component, $amount, $transactionReference) { |
6a488035 TO |
115 | $ids = $input = $params = array(); |
116 | ||
117 | $input['component'] = strtolower($component); | |
118 | ||
119 | $ids['contact'] = self::retrieve('contactID', 'Integer', $privateData, TRUE); | |
120 | $ids['contribution'] = self::retrieve('contributionID', 'Integer', $privateData, TRUE); | |
121 | ||
122 | if ($input['component'] == "event") { | |
353ffa53 | 123 | $ids['event'] = self::retrieve('eventID', 'Integer', $privateData, TRUE); |
6a488035 | 124 | $ids['participant'] = self::retrieve('participantID', 'Integer', $privateData, TRUE); |
353ffa53 | 125 | $ids['membership'] = NULL; |
6a488035 TO |
126 | } |
127 | else { | |
128 | $ids['membership'] = self::retrieve('membershipID', 'Integer', $privateData, FALSE); | |
129 | } | |
130 | $ids['contributionRecur'] = $ids['contributionPage'] = NULL; | |
131 | ||
132 | $paymentProcessorID = CRM_Core_DAO::getFieldValue('CRM_Financial_DAO_PaymentProcessorType', | |
133 | 'PayPal_Express', 'id', 'name' | |
134 | ); | |
135 | ||
136 | if (!$this->validateData($input, $ids, $objects, TRUE, $paymentProcessorID)) { | |
137 | return FALSE; | |
138 | } | |
139 | ||
140 | // make sure the invoice is valid and matches what we have in the contribution record | |
353ffa53 | 141 | $input['invoice'] = $privateData['invoiceID']; |
6a488035 | 142 | $input['newInvoice'] = $transactionReference; |
353ffa53 TO |
143 | $contribution = &$objects['contribution']; |
144 | $input['trxn_id'] = $transactionReference; | |
6a488035 TO |
145 | |
146 | if ($contribution->invoice_id != $input['invoice']) { | |
147 | CRM_Core_Error::debug_log_message("Invoice values dont match between database and IPN request"); | |
148 | echo "Failure: Invoice values dont match between database and IPN request<p>"; | |
149 | return; | |
150 | } | |
151 | ||
152 | // lets replace invoice-id with Payment Processor -number because thats what is common and unique | |
153 | // in subsequent calls or notifications sent by google. | |
154 | $contribution->invoice_id = $input['newInvoice']; | |
155 | ||
156 | $input['amount'] = $amount; | |
157 | ||
158 | if ($contribution->total_amount != $input['amount']) { | |
159 | CRM_Core_Error::debug_log_message("Amount values dont match between database and IPN request"); | |
160 | echo "Failure: Amount values dont match between database and IPN request. " . $contribution->total_amount . "/" . $input['amount'] . "<p>"; | |
161 | return; | |
162 | } | |
163 | ||
164 | $transaction = new CRM_Core_Transaction(); | |
165 | ||
6a488035 TO |
166 | // check if contribution is already completed, if so we ignore this ipn |
167 | ||
168 | if ($contribution->contribution_status_id == 1) { | |
169 | CRM_Core_Error::debug_log_message("returning since contribution has already been handled"); | |
170 | echo "Success: Contribution has already been handled<p>"; | |
171 | return TRUE; | |
172 | } | |
173 | else { | |
174 | /* Since trxn_id hasn't got any use here, | |
175 | * lets make use of it by passing the eventID/membershipTypeID to next level. | |
176 | * And change trxn_id to the payment processor reference before finishing db update */ | |
177 | ||
178 | if ($ids['event']) { | |
179 | $contribution->trxn_id = $ids['event'] . CRM_Core_DAO::VALUE_SEPARATOR . $ids['participant']; | |
180 | } | |
181 | else { | |
182 | $contribution->trxn_id = $ids['membership']; | |
183 | } | |
184 | } | |
185 | $this->completeTransaction($input, $ids, $objects, $transaction); | |
186 | return TRUE; | |
187 | } | |
188 | ||
189 | /** | |
353ffa53 TO |
190 | * |
191 | * /** | |
6a488035 TO |
192 | * The function returns the component(Event/Contribute..)and whether it is Test or not |
193 | * | |
6a0b768e TO |
194 | * @param array $privateData |
195 | * Contains the name-value pairs of transaction related data. | |
196 | * @param int $orderNo | |
197 | * <order-total> send by google. | |
6a488035 | 198 | * |
a6c01b45 CW |
199 | * @return array |
200 | * context of this call (test, component, payment processor id) | |
6a488035 | 201 | */ |
00be9182 | 202 | public static function getContext($privateData, $orderNo) { |
6a488035 TO |
203 | |
204 | $component = NULL; | |
205 | $isTest = NULL; | |
206 | ||
353ffa53 TO |
207 | $contributionID = $privateData['contributionID']; |
208 | $contribution = new CRM_Contribute_DAO_Contribution(); | |
6a488035 TO |
209 | $contribution->id = $contributionID; |
210 | ||
211 | if (!$contribution->find(TRUE)) { | |
212 | CRM_Core_Error::debug_log_message("Could not find contribution record: $contributionID"); | |
213 | echo "Failure: Could not find contribution record for $contributionID<p>"; | |
214 | exit(); | |
215 | } | |
216 | ||
217 | if (stristr($contribution->source, 'Online Contribution')) { | |
218 | $component = 'contribute'; | |
219 | } | |
220 | elseif (stristr($contribution->source, 'Online Event Registration')) { | |
221 | $component = 'event'; | |
222 | } | |
223 | $isTest = $contribution->is_test; | |
224 | ||
225 | $duplicateTransaction = 0; | |
226 | if ($contribution->contribution_status_id == 1) { | |
227 | //contribution already handled. (some processors do two notifications so this could be valid) | |
228 | $duplicateTransaction = 1; | |
229 | } | |
230 | ||
231 | if ($component == 'contribute') { | |
232 | if (!$contribution->contribution_page_id) { | |
233 | CRM_Core_Error::debug_log_message("Could not find contribution page for contribution record: $contributionID"); | |
234 | echo "Failure: Could not find contribution page for contribution record: $contributionID<p>"; | |
235 | exit(); | |
236 | } | |
237 | } | |
238 | else { | |
239 | ||
240 | $eventID = $privateData['eventID']; | |
241 | ||
242 | if (!$eventID) { | |
243 | CRM_Core_Error::debug_log_message("Could not find event ID"); | |
244 | echo "Failure: Could not find eventID<p>"; | |
245 | exit(); | |
246 | } | |
247 | ||
248 | // we are in event mode | |
249 | // make sure event exists and is valid | |
250 | $event = new CRM_Event_DAO_Event(); | |
251 | $event->id = $eventID; | |
252 | if (!$event->find(TRUE)) { | |
253 | CRM_Core_Error::debug_log_message("Could not find event: $eventID"); | |
254 | echo "Failure: Could not find event: $eventID<p>"; | |
255 | exit(); | |
256 | } | |
257 | } | |
258 | ||
259 | return array($isTest, $component, $duplicateTransaction); | |
2aa397bc | 260 | } |
6a488035 TO |
261 | |
262 | /** | |
263 | * This method is handles the response that will be invoked by the | |
264 | * notification or request sent by the payment processor. | |
2aa397bc | 265 | * hex string from paymentexpress is passed to this function as hex string. Code based on googleIPN |
6a488035 TO |
266 | * mac_key is only passed if the processor is pxaccess as it is used for decryption |
267 | * $dps_method is either pxaccess or pxpay | |
268 | */ | |
00be9182 | 269 | public static function main($dps_method, $rawPostData, $dps_url, $dps_user, $dps_key, $mac_key) { |
6a488035 TO |
270 | |
271 | $config = CRM_Core_Config::singleton(); | |
272 | define('RESPONSE_HANDLER_LOG_FILE', $config->uploadDir . 'CiviCRM.PaymentExpress.log'); | |
273 | ||
274 | //Setup the log file | |
275 | if (!$message_log = fopen(RESPONSE_HANDLER_LOG_FILE, "a")) { | |
276 | error_func("Cannot open " . RESPONSE_HANDLER_LOG_FILE . " file.\n", 0); | |
277 | exit(1); | |
278 | } | |
279 | ||
280 | if ($dps_method == "pxpay") { | |
281 | $processResponse = CRM_Core_Payment_PaymentExpressUtils::_valueXml(array( | |
353ffa53 TO |
282 | 'PxPayUserId' => $dps_user, |
283 | 'PxPayKey' => $dps_key, | |
284 | 'Response' => $_GET['result'], | |
285 | )); | |
6a488035 TO |
286 | $processResponse = CRM_Core_Payment_PaymentExpressUtils::_valueXml('ProcessResponse', $processResponse); |
287 | ||
288 | fwrite($message_log, sprintf("\n\r%s:- %s\n", date("D M j G:i:s T Y"), | |
353ffa53 TO |
289 | $processResponse |
290 | )); | |
6a488035 TO |
291 | |
292 | // Send the XML-formatted validation request to DPS so that we can receive a decrypted XML response which contains the transaction results | |
293 | $curl = CRM_Core_Payment_PaymentExpressUtils::_initCURL($processResponse, $dps_url); | |
294 | ||
295 | fwrite($message_log, sprintf("\n\r%s:- %s\n", date("D M j G:i:s T Y"), | |
353ffa53 TO |
296 | $curl |
297 | )); | |
6a488035 TO |
298 | $success = FALSE; |
299 | if ($response = curl_exec($curl)) { | |
300 | fwrite($message_log, sprintf("\n\r%s:- %s\n", date("D M j G:i:s T Y"), | |
353ffa53 TO |
301 | $response |
302 | )); | |
6a488035 TO |
303 | curl_close($curl); |
304 | ||
305 | // Assign the returned XML values to variables | |
353ffa53 TO |
306 | $valid = CRM_Core_Payment_PaymentExpressUtils::_xmlAttribute($response, 'valid'); |
307 | $success = CRM_Core_Payment_PaymentExpressUtils::_xmlElement($response, 'Success'); | |
308 | $txnId = CRM_Core_Payment_PaymentExpressUtils::_xmlElement($response, 'TxnId'); | |
309 | $responseText = CRM_Core_Payment_PaymentExpressUtils::_xmlElement($response, 'ResponseText'); | |
310 | $authCode = CRM_Core_Payment_PaymentExpressUtils::_xmlElement($response, 'AuthCode'); | |
311 | $DPStxnRef = CRM_Core_Payment_PaymentExpressUtils::_xmlElement($response, 'DpsTxnRef'); | |
312 | $qfKey = CRM_Core_Payment_PaymentExpressUtils::_xmlElement($response, "TxnData1"); | |
313 | $privateData = CRM_Core_Payment_PaymentExpressUtils::_xmlElement($response, "TxnData2"); | |
314 | list($component, $paymentProcessorID,) = explode(',', CRM_Core_Payment_PaymentExpressUtils::_xmlElement($response, "TxnData3")); | |
315 | $amount = CRM_Core_Payment_PaymentExpressUtils::_xmlElement($response, "AmountSettlement"); | |
6a488035 TO |
316 | $merchantReference = CRM_Core_Payment_PaymentExpressUtils::_xmlElement($response, "MerchantReference"); |
317 | } | |
318 | else { | |
319 | // calling DPS failed | |
320 | CRM_Core_Error::fatal(ts('Unable to establish connection to the payment gateway to verify transaction response.')); | |
321 | exit; | |
322 | } | |
323 | } | |
324 | elseif ($dps_method == "pxaccess") { | |
325 | ||
2aa397bc | 326 | require_once 'PaymentExpress/pxaccess.inc.php'; |
6a488035 TO |
327 | global $pxaccess; |
328 | $pxaccess = new PxAccess($dps_url, $dps_user, $dps_key, $mac_key); | |
329 | #getResponse method in PxAccess object returns PxPayResponse object | |
330 | #which encapsulates all the response data | |
331 | $rsp = $pxaccess->getResponse($rawPostData); | |
332 | ||
353ffa53 TO |
333 | $qfKey = $rsp->getTxnData1(); |
334 | $privateData = $rsp->getTxnData2(); | |
335 | list($component, $paymentProcessorID) = explode(',', $rsp->getTxnData3()); | |
336 | $success = $rsp->getSuccess(); | |
337 | $authCode = $rsp->getAuthCode(); | |
338 | $DPStxnRef = $rsp->getDpsTxnRef(); | |
339 | $amount = $rsp->getAmountSettlement(); | |
6a488035 TO |
340 | $MerchantReference = $rsp->getMerchantReference(); |
341 | } | |
342 | ||
343 | $privateData = $privateData ? self::stringToArray($privateData) : ''; | |
344 | ||
345 | // Record the current count in array, before we start adding things (for later checks) | |
346 | $countPrivateData = count($privateData); | |
347 | ||
348 | // Private Data consists of : a=contactID, b=contributionID,c=contributionTypeID,d=invoiceID,e=membershipID,f=participantID,g=eventID | |
349 | $privateData['contactID'] = $privateData['a']; | |
350 | $privateData['contributionID'] = $privateData['b']; | |
351 | $privateData['contributionTypeID'] = $privateData['c']; | |
352 | $privateData['invoiceID'] = $privateData['d']; | |
353 | ||
354 | if ($component == "event") { | |
355 | $privateData['participantID'] = $privateData['f']; | |
356 | $privateData['eventID'] = $privateData['g']; | |
357 | } | |
358 | elseif ($component == "contribute") { | |
359 | ||
360 | if ($countPrivateData == 5) { | |
361 | $privateData["membershipID"] = $privateData['e']; | |
362 | } | |
363 | } | |
364 | ||
365 | $transactionReference = $authCode . "-" . $DPStxnRef; | |
366 | ||
367 | list($mode, $component, $duplicateTransaction) = self::getContext($privateData, $transactionReference); | |
368 | $mode = $mode ? 'test' : 'live'; | |
369 | ||
6a488035 TO |
370 | $paymentProcessor = CRM_Financial_BAO_PaymentProcessor::getPayment($paymentProcessorID, |
371 | $mode | |
372 | ); | |
373 | ||
374 | $ipn = self::singleton($mode, $component, $paymentProcessor); | |
375 | ||
6a488035 TO |
376 | //Check status and take appropriate action |
377 | ||
378 | if ($success == 1) { | |
379 | if ($duplicateTransaction == 0) { | |
380 | $ipn->newOrderNotify($success, $privateData, $component, $amount, $transactionReference); | |
381 | } | |
382 | ||
383 | if ($component == "event") { | |
384 | $finalURL = CRM_Utils_System::url('civicrm/event/register', | |
385 | "_qf_ThankYou_display=1&qfKey=$qfKey", | |
386 | FALSE, NULL, FALSE | |
387 | ); | |
388 | } | |
389 | elseif ($component == "contribute") { | |
390 | $finalURL = CRM_Utils_System::url('civicrm/contribute/transact', | |
391 | "_qf_ThankYou_display=1&qfKey=$qfKey", | |
392 | FALSE, NULL, FALSE | |
393 | ); | |
394 | } | |
395 | ||
396 | CRM_Utils_System::redirect($finalURL); | |
397 | } | |
398 | else { | |
399 | ||
400 | if ($component == "event") { | |
401 | $finalURL = CRM_Utils_System::url('civicrm/event/confirm', | |
402 | "reset=1&cc=fail&participantId=$privateData[participantID]", | |
403 | FALSE, NULL, FALSE | |
404 | ); | |
405 | } | |
406 | elseif ($component == "contribute") { | |
407 | $finalURL = CRM_Utils_System::url('civicrm/contribute/transact', | |
408 | "_qf_Main_display=1&cancel=1&qfKey=$qfKey", | |
409 | FALSE, NULL, FALSE | |
410 | ); | |
411 | } | |
412 | ||
413 | CRM_Utils_System::redirect($finalURL); | |
414 | } | |
415 | } | |
416 | ||
417 | /** | |
418 | * Converts the comma separated name-value pairs in <TxnData2> | |
419 | * to an array of values. | |
420 | */ | |
00be9182 | 421 | public static function stringToArray($str) { |
6a488035 TO |
422 | $vars = $labels = array(); |
423 | $labels = explode(',', $str); | |
424 | foreach ($labels as $label) { | |
425 | $terms = explode('=', $label); | |
426 | $vars[$terms[0]] = $terms[1]; | |
427 | } | |
428 | return $vars; | |
429 | } | |
430 | } |