htdocs/paiement/cyberpaiement_retour.php

   1 <?php
   2 /***************************************************************************
   3  *  Copyright (C) 2003-2006 Polytechnique.org                              *
   4  *  http://opensource.polytechnique.org/                                   *
   5  *                                                                         *
   6  *  This program is free software; you can redistribute it and/or modify   *
   7  *  it under the terms of the GNU General Public License as published by   *
   8  *  the Free Software Foundation; either version 2 of the License, or      *
   9  *  (at your option) any later version.                                    *
  10  *                                                                         *
  11  *  This program is distributed in the hope that it will be useful,        *
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
  14  *  GNU General Public License for more details.                           *
  15  *                                                                         *
  16  *  You should have received a copy of the GNU General Public License      *
  17  *  along with this program; if not, write to the Free Software            *
  18  *  Foundation, Inc.,                                                      *
  19  *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA                *
  20  ***************************************************************************/
  21
  22 require_once("xorg.inc.php");
  23 require_once("diogenes/diogenes.hermes.inc.php");
  24
  25 /* sort en affichant une erreur */
  26 function erreur($text) {
  27     $mymail = new HermesMailer();
  28     $mymail->addTo("telepaiement@polytechnique.org");
  29     $mymail->setFrom("webmaster@polytechnique.org");
  30     $mymail->setSubject("erreur lors d'un télépaiement (CyberPaiement)");
  31     $mymail->setTxtBody("\n\n".var_export($_REQUEST,true));
  32     $mymail->send();
  33     exit;
  34 }
  35
  36 /* http://fr.wikipedia.org/wiki/Formule_de_Luhn */
  37 function luhn($nombre) {
  38     $s = strrev($nombre);
  39     $sum = 0;
  40     for ($i = 0; $i < strlen($s); $i++) {
  41         $dgt = $s{$i};
  42         $sum += ($i % 2) ? (2*$dgt) % 9 : $dgt;
  43     }
  44     return $sum % 10;
  45 }
  46
  47 /* calcule la clé d'acceptation a partir de 5 champs */
  48 function cle_accept($d1,$d2,$d3,$d4,$d5)
  49 {
  50     $m1 = luhn($d1.$d5);
  51     $m2 = luhn($d2.$d5);
  52     $m3 = luhn($d3.$d5);
  53     $m4 = luhn($d4.$d5);
  54     $n = $m1 + $m2 + $m3 + $m4;
  55     $alpha = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
  56     return $alpha{$n-1}.$m1.$m2.$m3.$m4;
  57 }
  58
  59 /* user id */
  60 $uid = clean_request('uid');
  61 /* reference banque (numero de transaction) */
  62 $champ901 = clean_request('CHAMP901');
  63 /* cle d'acceptation */
  64 $champ905 = clean_request('CHAMP905');
  65 /* code retour */
  66 $champ906 = clean_request('CHAMP906');
  67 /* email renvoye par la banque */
  68 $champ104 = clean_request('CHAMP104');
  69 /* reference complete de la commande */
  70 $champ200 = clean_request('CHAMP200');
  71 /* montant de la transaction */
  72 $champ201 = clean_request('CHAMP201');
  73 /* devise */
  74 $champ202 = clean_request('CHAMP202');
  75 $montant = "$champ201 $champ202";
  76
  77 /* on extrait les informations sur l'utilisateur */
  78 $res = $globals->xdb->query("
  79     SELECT  a.prenom,a.nom,a.promo,l.alias,FIND_IN_SET(a.flags,'femme')
  80       FROM  auth_user_md5 AS a
  81 INNER JOIN  aliases       AS l ON (a.user_id=l.id AND type!='homonyme')
  82      WHERE  a.user_id={?}", $uid);
  83 if (!list($prenom,$nom,$promo,$forlife,$femme) = $res->fetchOneRow()) {
  84     erreur("uid invalide");
  85 }
  86
  87
  88 /* on extrait la reference de la commande */
  89 if (!ereg('-xorg-([0-9]+)$',$champ200,$matches)) {
  90     erreur("référence de commande invalide");
  91 }
  92
  93 echo ($ref = $matches[1]);
  94 $res = $globals->xdb->query("SELECT mail,text,confirmation FROM paiement.paiements WHERE id={?}", $ref);
  95 if (!list($conf_mail,$conf_title,$conf_text) = $res->fetchOneRow()) {
  96     erreur("référence de commande inconnue");
  97 }
  98
  99 /* on extrait le code de retour */
 100 if ($champ906 != "0000") {
 101     $res = $globals->xdb->query("SELECT  rcb.text,c.id,c.text
 102                                    FROM  paiement.codeRCB AS rcb
 103                               LEFT JOIN  paiement.codeC   AS c ON rcb.codeC=c.id
 104                                   WHERE  rcb.id='$champ906'");
 105     if (list($rcb_text, $c_id, $c_text) = $res->fetchOneRow()) {
 106         erreur("erreur lors du paiement : $c_text ($c_id)");
 107     } else{
 108         erreur("erreur inconnue lors du paiement");
 109     }
 110 }
 111
 112 /* on fait l'insertion en base de donnees */
 113 $globals->xdb->execute("INSERT INTO  paiement.transactions (id,uid,ref,fullref,montant,cle)
 114                              VALUES  ({?},{?},{?},{?},{?},{?})",
 115                         $champ901, $uid, $ref, $champ200, $montant, $champ905);
 116
 117 /* on genere le mail de confirmation */
 118 $conf_text = str_replace("<prenom>",$prenom,$conf_text);
 119 $conf_text = str_replace("<nom>",$nom,$conf_text);
 120 $conf_text = str_replace("<promo>",$promo,$conf_text);
 121 $conf_text = str_replace("<montant>",$montant,$conf_text);
 122 $conf_text = str_replace("<salutation>",$femme ? "Chère" : "Cher",$conf_text);
 123 $conf_text = str_replace("<cher>",$femme ? "Chère" : "Cher",$conf_text);
 124
 125 $mymail = new HermesMailer();
 126 $mymail->setFrom($conf_mail);
 127 $mymail->addTo("\"$prenom $nom\" <$forlife@polytechnique.org>");
 128 $mymail->addCc($conf_mail);
 129 $mymail->setSubject($conf_title);
 130 $mymail->setTxtBody($conf_text);
 131 $mymail->send();
 132
 133 /* on envoie les details de la transaction à telepaiement@ */
 134 $mymail = new HermesMailer();
 135 $mymail->setFrom("webmaster@polytechnique.org");
 136 $mymail->addTo("telepaiement@polytechnique.org");
 137 $mymail->setSubject($conf_title);
 138 $msg = "utilisateur : $prenom $nom ($uid)\n".
 139        "mail : $forlife@polytechnique.org\n\n".
 140        "paiement : $conf_title ($conf_mail)\n".
 141        "reference : $champ200\n".
 142        "montant : $montant\n\n".
 143        "dump de REQUEST:\n".
 144        var_export($_REQUEST,true);
 145 $mymail->setTxtBody($msg);
 146 $mymail->send();
 147
 148 ?>