CRM/Core/Payment/PayPalProIPN.php

   1 <?php
   2 /*
   3  +--------------------------------------------------------------------+
   4  | CiviCRM version 4.5                                                |
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   6  | Copyright CiviCRM LLC (c) 2004-2014                                |
   7  +--------------------------------------------------------------------+
   8  | This file is a part of CiviCRM.                                    |
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  10  | CiviCRM is free software; you can copy, modify, and distribute it  |
  11  | under the terms of the GNU Affero General Public License           |
  12  | Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
  13  |                                                                    |
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  17  | See the GNU Affero General Public License for more details.        |
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  22  | at info[AT]civicrm[DOT]org. If you have questions about the        |
  23  | GNU Affero General Public License or the licensing of CiviCRM,     |
  24  | see the CiviCRM license FAQ at http://civicrm.org/licensing        |
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  26 */
  27
  28 /**
  29  *
  30  * @package CRM
  31  * @copyright CiviCRM LLC (c) 2004-2014
  32  * $Id$
  33  *
  34  */
  35 class CRM_Core_Payment_PayPalProIPN extends CRM_Core_Payment_BaseIPN {
  36
  37   static $_paymentProcessor = NULL;
  38
  39   /**
  40    * Input parameters from payment processor. Store these so that
  41    * the code does not need to keep retrieving from the http request
  42    * @var array
  43    */
  44   protected $_inputParameters = array();
  45
  46   /**
  47    * store for the variables from the invoice string
  48    * @var array
  49    */
  50   protected $_invoiceData = array();
  51
  52   /**
  53    * Is this a payment express transaction
  54    */
  55   protected $_isPaymentExpress = FALSE;
  56
  57   /**
  58    * Are we dealing with an event an 'anything else' (contribute)
  59    * @var string component
  60    */
  61   protected $_component = 'contribute';
  62   /**
  63    * constructor function
  64    */
  65   function __construct($inputData) {
  66     $this->setInputParameters($inputData);
  67     $this->setInvoiceData();
  68     parent::__construct();
  69   }
  70
  71   /**
  72    * function exists to get the values from the rp_invoice_id string
  73    *
  74    * @param string $name e.g. i, values are stored in the string with letter codes
  75    * @param boolean $abort fatal if not found?
  76    *
  77    * @throws CRM_Core_Exception
  78    * @return unknown
  79    */
  80   function getValue($name, $abort = TRUE) {
  81     if ($abort && empty($this->_invoiceData[$name])) {
  82       throw new CRM_Core_Exception("Failure: Missing Parameter $name");
  83     }
  84     else {
  85       return CRM_Utils_Array::value($name, $this->_invoiceData);
  86     }
  87   }
  88
  89   /**
  90    * Set $this->_invoiceData from the input array
  91    */
  92   function setInvoiceData() {
  93     if(empty($this->_inputParameters['rp_invoice_id'])) {
  94       $this->_isPaymentExpress = TRUE;
  95       return;
  96     }
  97     $rpInvoiceArray = explode('&', $this->_inputParameters['rp_invoice_id']);
  98     // for clarify let's also store without the single letter unreadable
  99     //@todo after more refactoring we might ditch storing the one letter stuff
 100     $mapping = array(
 101       'i' => 'invoice_id',
 102       'm' => 'component',
 103       'c' => 'contact_id',
 104       'b' => 'contribution_id',
 105       'r' => 'contribution_recur_id',
 106       'p' => 'participant_id',
 107       'e' => 'event_id',
 108     );
 109     foreach ($rpInvoiceArray as $rpInvoiceValue) {
 110       $rpValueArray = explode('=', $rpInvoiceValue);
 111       $this->_invoiceData[$rpValueArray[0]] = $rpValueArray[1];
 112       $this->_inputParameters[$mapping[$rpValueArray[0]]] = $rpValueArray[1];
 113       // p has been overloaded & could mean contribution page or participant id. Clearly we need an
 114       // alphabet with more letters.
 115       // the mode will always be resolved before the mystery p is reached
 116       if($rpValueArray[1] == 'contribute') {
 117         $mapping['p'] = 'contribution_page_id';
 118       }
 119     }
 120   }
 121
 122   /**
 123    * @param string $name of variable to return
 124    * @param string $type data type
 125    *   - String
 126    *   - Integer
 127    * @param string $location - deprecated
 128    * @param boolean $abort abort if empty
 129    *
 130    * @throws CRM_Core_Exception
 131    * @return Ambigous <mixed, NULL, value, unknown, array, number>
 132    */
 133   function retrieve($name, $type, $location = 'POST', $abort = TRUE) {
 134     $value = CRM_Utils_Type::validate(
 135       CRM_Utils_Array::value($name, $this->_inputParameters),
 136       $type,
 137       FALSE
 138     );
 139     if ($abort && $value === NULL) {
 140       throw new CRM_Core_Exception("Could not find an entry for $name in $location");
 141     }
 142     return $value;
 143   }
 144
 145   /**
 146    * Process recurring contributions
 147    * @param array $input
 148    * @param array $ids
 149    * @param array $objects
 150    * @param boolean $first
 151    * @return void|boolean
 152    */
 153   function recur(&$input, &$ids, &$objects, $first) {
 154     if (!isset($input['txnType'])) {
 155       CRM_Core_Error::debug_log_message("Could not find txn_type in input request");
 156       echo "Failure: Invalid parameters<p>";
 157       return FALSE;
 158     }
 159
 160     if ($input['txnType'] == 'recurring_payment' &&
 161       $input['paymentStatus'] != 'Completed'
 162     ) {
 163       CRM_Core_Error::debug_log_message("Ignore all IPN payments that are not completed");
 164       echo "Failure: Invalid parameters<p>";
 165       return FALSE;
 166     }
 167
 168     $recur = &$objects['contributionRecur'];
 169
 170     // make sure the invoice ids match
 171     // make sure the invoice is valid and matches what we have in
 172     // the contribution record
 173     if ($recur->invoice_id != $input['invoice']) {
 174       CRM_Core_Error::debug_log_message("Invoice values dont match between database and IPN request recur is " . $recur->invoice_id . " input is " . $input['invoice']);
 175       echo "Failure: Invoice values dont match between database and IPN request recur is " . $recur->invoice_id . " input is " . $input['invoice'];
 176       return FALSE;
 177     }
 178
 179     $now = date('YmdHis');
 180
 181     // fix dates that already exist
 182     $dates = array('create', 'start', 'end', 'cancel', 'modified');
 183     foreach ($dates as $date) {
 184       $name = "{$date}_date";
 185       if ($recur->$name) {
 186         $recur->$name = CRM_Utils_Date::isoToMysql($recur->$name);
 187       }
 188     }
 189
 190     $sendNotification = FALSE;
 191     $subscriptionPaymentStatus = NULL;
 192     //List of Transaction Type
 193     /*
 194          recurring_payment_profile_created          RP Profile Created
 195          recurring_payment           RP Sucessful Payment
 196          recurring_payment_failed                               RP Failed Payment
 197          recurring_payment_profile_cancel           RP Profile Cancelled
 198          recurring_payment_expired         RP Profile Expired
 199          recurring_payment_skipped        RP Profile Skipped
 200          recurring_payment_outstanding_payment      RP Sucessful Outstanding Payment
 201          recurring_payment_outstanding_payment_failed          RP Failed Outstanding Payment
 202          recurring_payment_suspended        RP Profile Suspended
 203          recurring_payment_suspended_due_to_max_failed_payment  RP Profile Suspended due to Max Failed Payment
 204         */
 205
 206
 207     //set transaction type
 208     $txnType = $this->retrieve('txn_type', 'String');
 209     //Changes for paypal pro recurring payment
 210
 211     switch ($txnType) {
 212       case 'recurring_payment_profile_created':
 213         $recur->create_date = $now;
 214         $recur->contribution_status_id = 2;
 215         $recur->processor_id = $this->retrieve('recurring_payment_id', 'String');
 216         $recur->trxn_id = $recur->processor_id;
 217         $subscriptionPaymentStatus = CRM_Core_Payment::RECURRING_PAYMENT_START;
 218         $sendNotification = TRUE;
 219         break;
 220
 221       case 'recurring_payment':
 222         if ($first) {
 223           $recur->start_date = $now;
 224         }
 225         else {
 226           $recur->modified_date = $now;
 227         }
 228
 229         //contribution installment is completed
 230         if ($this->retrieve('profile_status', 'String') == 'Expired') {
 231           $recur->contribution_status_id = 1;
 232           $recur->end_date = $now;
 233           $sendNotification = TRUE;
 234           $subscriptionPaymentStatus = CRM_Core_Payment::RECURRING_PAYMENT_END;
 235         }
 236
 237         // make sure the contribution status is not done
 238         // since order of ipn's is unknown
 239         if ($recur->contribution_status_id != 1) {
 240           $recur->contribution_status_id = 5;
 241         }
 242         break;
 243     }
 244
 245     $recur->save();
 246
 247     if ($sendNotification) {
 248       $autoRenewMembership = FALSE;
 249       if ($recur->id &&
 250         isset($ids['membership']) && $ids['membership']
 251       ) {
 252         $autoRenewMembership = TRUE;
 253       }
 254       //send recurring Notification email for user
 255       CRM_Contribute_BAO_ContributionPage::recurringNotify($subscriptionPaymentStatus,
 256         $ids['contact'],
 257         $ids['contributionPage'],
 258         $recur,
 259         $autoRenewMembership
 260       );
 261     }
 262
 263     if ($txnType != 'recurring_payment') {
 264       return;
 265     }
 266
 267     if (!$first) {
 268       //check if this contribution transaction is already processed
 269       //if not create a contribution and then get it processed
 270       $contribution = new CRM_Contribute_BAO_Contribution();
 271       $contribution->trxn_id = $input['trxn_id'];
 272       if ($contribution->trxn_id && $contribution->find()) {
 273         CRM_Core_Error::debug_log_message("returning since contribution has already been handled");
 274         echo "Success: Contribution has already been handled<p>";
 275         return TRUE;
 276       }
 277
 278       $contribution->contact_id = $recur->contact_id;
 279       $contribution->financial_type_id  = $objects['contributionType']->id;
 280       $contribution->contribution_page_id = $ids['contributionPage'];
 281       $contribution->contribution_recur_id = $ids['contributionRecur'];
 282       $contribution->currency = $objects['contribution']->currency;
 283       $contribution->payment_instrument_id = $objects['contribution']->payment_instrument_id;
 284       $contribution->amount_level = $objects['contribution']->amount_level;
 285       $contribution->campaign_id = $objects['contribution']->campaign_id;
 286       $objects['contribution'] = &$contribution;
 287     }
 288     // CRM-13737 - am not aware of any reason why payment_date would not be set - this if is a belt & braces
 289     $objects['contribution']->receive_date = !empty($input['payment_date']) ? date('YmdHis', strtotime($input['payment_date'])): $now;
 290
 291     $this->single($input, $ids, $objects,
 292       TRUE, $first
 293     );
 294   }
 295
 296   /**
 297    * @param $input
 298    * @param $ids
 299    * @param $objects
 300    * @param bool $recur
 301    * @param bool $first
 302    */
 303   function single(&$input, &$ids, &$objects, $recur = FALSE, $first = FALSE) {
 304     $contribution = &$objects['contribution'];
 305
 306     // make sure the invoice is valid and matches what we have in the contribution record
 307     if ((!$recur) || ($recur && $first)) {
 308       if ($contribution->invoice_id != $input['invoice']) {
 309         CRM_Core_Error::debug_log_message("Invoice values dont match between database and IPN request");
 310         echo "Failure: Invoice values dont match between database and IPN request<p>contribution is" . $contribution->invoice_id . " and input is " . $input['invoice'];
 311         return FALSE;
 312       }
 313     }
 314     else {
 315       $contribution->invoice_id = md5(uniqid(rand(), TRUE));
 316     }
 317
 318     if (!$recur) {
 319       if ($contribution->total_amount != $input['amount']) {
 320         CRM_Core_Error::debug_log_message("Amount values dont match between database and IPN request");
 321         echo "Failure: Amount values dont match between database and IPN request<p>";
 322         return FALSE;
 323       }
 324     }
 325     else {
 326       $contribution->total_amount = $input['amount'];
 327     }
 328
 329     $transaction = new CRM_Core_Transaction();
 330
 331     $participant = &$objects['participant'];
 332     $membership = &$objects['membership'];
 333
 334     $status = $input['paymentStatus'];
 335     if ($status == 'Denied' || $status == 'Failed' || $status == 'Voided') {
 336       return $this->failed($objects, $transaction);
 337     }
 338     elseif ($status == 'Pending') {
 339       return $this->pending($objects, $transaction);
 340     }
 341     elseif ($status == 'Refunded' || $status == 'Reversed') {
 342       return $this->cancelled($objects, $transaction);
 343     }
 344     elseif ($status != 'Completed') {
 345       return $this->unhandled($objects, $transaction);
 346     }
 347
 348     // check if contribution is already completed, if so we ignore this ipn
 349     if ($contribution->contribution_status_id == 1) {
 350       $transaction->commit();
 351       CRM_Core_Error::debug_log_message("returning since contribution has already been handled");
 352       echo "Success: Contribution has already been handled<p>";
 353       return TRUE;
 354     }
 355
 356     $this->completeTransaction($input, $ids, $objects, $transaction, $recur);
 357   }
 358
 359   /**
 360    * This is the main function to call. It should be sufficient to instantiate the class
 361    * (with the input parameters) & call this & all will be done
 362    *
 363    * @todo the references to POST throughout this class need to be removed
 364    * @return void|boolean|Ambigous <void, boolean>
 365    */
 366   function main() {
 367     CRM_Core_Error::debug_var('GET', $_GET, TRUE, TRUE);
 368     CRM_Core_Error::debug_var('POST', $_POST, TRUE, TRUE);
 369     if($this->_isPaymentExpress) {
 370       $this->handlePaymentExpress();
 371       return;
 372     }
 373     $objects = $ids = $input = array();
 374     $this->_component  = $input['component'] = self::getValue('m');
 375
 376     // get the contribution and contact ids from the GET params
 377     $ids['contact'] = self::getValue('c', TRUE);
 378     $ids['contribution'] = self::getValue('b', TRUE);
 379
 380     $this->getInput($input, $ids);
 381
 382     if ($this->_component == 'event') {
 383       $ids['event'] = self::getValue('e', TRUE);
 384       $ids['participant'] = self::getValue('p', TRUE);
 385       $ids['contributionRecur'] = self::getValue('r', FALSE);
 386     }
 387     else {
 388       // get the optional ids
 389       //@ how can this not be broken retrieving from GET as we are dealing with a POST request?
 390       // copy & paste? Note the retrieve function now uses data from _REQUEST so this will be included
 391       $ids['membership'] = self::retrieve('membershipID', 'Integer', 'GET', FALSE);
 392       $ids['contributionRecur'] = self::getValue('r', FALSE);
 393       $ids['contributionPage'] = self::getValue('p', FALSE);
 394       $ids['related_contact'] = self::retrieve('relatedContactID', 'Integer', 'GET', FALSE);
 395       $ids['onbehalf_dupe_alert'] = self::retrieve('onBehalfDupeAlert', 'Integer', 'GET', FALSE);
 396     }
 397
 398     if (!$ids['membership'] && $ids['contributionRecur']) {
 399       $sql = "
 400     SELECT m.id
 401       FROM civicrm_membership m
 402 INNER JOIN civicrm_membership_payment mp ON m.id = mp.membership_id AND mp.contribution_id = %1
 403      WHERE m.contribution_recur_id = %2
 404      LIMIT 1";
 405       $sqlParams = array(1 => array($ids['contribution'], 'Integer'),
 406         2 => array($ids['contributionRecur'], 'Integer'),
 407       );
 408       if ($membershipId = CRM_Core_DAO::singleValueQuery($sql, $sqlParams)) {
 409         $ids['membership'] = $membershipId;
 410       }
 411     }
 412
 413     $paymentProcessorID = CRM_Core_DAO::getFieldValue('CRM_Financial_DAO_PaymentProcessorType',
 414       'PayPal', 'id', 'name'
 415     );
 416
 417     if (!$this->validateData($input, $ids, $objects, TRUE, $paymentProcessorID)) {
 418       return FALSE;
 419     }
 420
 421     self::$_paymentProcessor = &$objects['paymentProcessor'];
 422     //?? how on earth would we not have component be one of these?
 423     // they are the only valid settings & this IPN file can't even be called without one of them
 424     // grepping for this class doesn't find other paths to call this class
 425     if ($this->_component == 'contribute' || $this->_component == 'event') {
 426       if ($ids['contributionRecur']) {
 427         // check if first contribution is completed, else complete first contribution
 428         $first = TRUE;
 429         if ($objects['contribution']->contribution_status_id == 1) {
 430           $first = FALSE;
 431         }
 432         return $this->recur($input, $ids, $objects, $first);
 433       }
 434       else {
 435         return $this->single($input, $ids, $objects, FALSE, FALSE);
 436       }
 437     }
 438     else {
 439       return $this->single($input, $ids, $objects, FALSE, FALSE);
 440     }
 441   }
 442
 443   /**
 444    * @param $input
 445    * @param $ids
 446    *
 447    * @throws CRM_Core_Exception
 448    */
 449   function getInput(&$input, &$ids) {
 450
 451     if (!$this->getBillingID($ids)) {
 452       return FALSE;
 453     }
 454
 455     $input['txnType'] = self::retrieve('txn_type', 'String', 'POST', FALSE);
 456     $input['paymentStatus'] = self::retrieve('payment_status', 'String', 'POST', FALSE);
 457     $input['invoice'] = self::getValue('i', TRUE);
 458
 459     $input['amount'] = self::retrieve('mc_gross', 'Money', 'POST', FALSE);
 460     $input['reasonCode'] = self::retrieve('ReasonCode', 'String', 'POST', FALSE);
 461
 462     $billingID = $ids['billing'];
 463     $lookup = array(
 464       "first_name" => 'first_name',
 465       "last_name" => 'last_name',
 466       "street_address-{$billingID}" => 'address_street',
 467       "city-{$billingID}" => 'address_city',
 468       "state-{$billingID}" => 'address_state',
 469       "postal_code-{$billingID}" => 'address_zip',
 470       "country-{$billingID}" => 'address_country_code',
 471     );
 472     foreach ($lookup as $name => $paypalName) {
 473       $value = self::retrieve($paypalName, 'String', 'POST', FALSE);
 474       $input[$name] = $value ? $value : NULL;
 475     }
 476
 477     $input['is_test']    = self::retrieve('test_ipn', 'Integer', 'POST', FALSE);
 478     $input['fee_amount'] = self::retrieve('mc_fee', 'Money', 'POST', FALSE);
 479     $input['net_amount'] = self::retrieve('settle_amount', 'Money', 'POST', FALSE);
 480     $input['trxn_id']    = self::retrieve('txn_id', 'String', 'POST', FALSE);
 481     $input['payment_date'] = self::retrieve('payment_date', 'String', 'POST', FALSE);
 482   }
 483
 484   /**
 485    * Handle payment express IPNs
 486    * For one off IPNS no actual response is required
 487    * Recurring is more difficult as we have limited confirmation material
 488    */
 489   function handlePaymentExpress() {
 490     throw new CRM_Core_Exception('Payment Express IPNS not currently handled');
 491   }
 492 }
 493