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1 | <?php |
2 | /* | |
3 | +--------------------------------------------------------------------+ | |
232624b1 | 4 | | CiviCRM version 4.4 | |
6a488035 TO |
5 | +--------------------------------------------------------------------+ |
6 | | Copyright CiviCRM LLC (c) 2004-2013 | | |
7 | +--------------------------------------------------------------------+ | |
8 | | This file is a part of CiviCRM. | | |
9 | | | | |
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 | | | | |
14 | | CiviCRM is distributed in the hope that it will be useful, but | | |
15 | | WITHOUT ANY WARRANTY; without even the implied warranty of | | |
16 | | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | | |
17 | | See the GNU Affero General Public License for more details. | | |
18 | | | | |
19 | | You should have received a copy of the GNU Affero General Public | | |
20 | | License and the CiviCRM Licensing Exception along | | |
21 | | with this program; if not, contact CiviCRM LLC | | |
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 | | |
25 | +--------------------------------------------------------------------+ | |
26 | */ | |
27 | ||
28 | /** | |
29 | * | |
30 | * @package CRM | |
31 | * @copyright CiviCRM LLC (c) 2004-2013 | |
32 | * $Id$ | |
33 | * | |
34 | */ | |
35 | class CRM_Mailing_BAO_TrackableURL extends CRM_Mailing_DAO_TrackableURL { | |
36 | ||
37 | /** | |
38 | * class constructor | |
39 | */ | |
40 | function __construct() { | |
41 | parent::__construct(); | |
42 | } | |
43 | ||
44 | /** | |
45 | * Given a url, mailing id and queue event id, find or construct a | |
46 | * trackable url and redirect url. | |
47 | * | |
48 | * @param string $url The target url to track | |
49 | * @param int $mailing_id The id of the mailing | |
50 | * @param int $queue_id The queue event id (contact clicking through) | |
51 | * | |
52 | * @return string $redirect The redirect/tracking url | |
53 | * @static | |
54 | */ | |
55 | public static function getTrackerURL($url, $mailing_id, $queue_id) { | |
56 | ||
57 | static $urlCache = array(); | |
58 | ||
59 | if (array_key_exists($url, $urlCache)) { | |
60 | return $urlCache[$url] . "&qid=$queue_id"; | |
61 | } | |
62 | ||
63 | // hack for basic CRM-1014 and CRM-1151 and CRM-3492 compliance: | |
64 | // let's not replace possible image URLs and CiviMail ones | |
65 | if (preg_match('/\.(png|jpg|jpeg|gif|css)[\'"]?$/i', $url) | |
66 | or substr_count($url, 'civicrm/extern/') | |
67 | or substr_count($url, 'civicrm/mailing/') | |
68 | ) { | |
69 | // let's not cache these, so they don't get &qid= appended to them | |
70 | return $url; | |
71 | } | |
72 | else { | |
73 | ||
74 | $hrefExists = FALSE; | |
75 | $config = CRM_Core_Config::singleton(); | |
76 | ||
77 | $tracker = new CRM_Mailing_BAO_TrackableURL(); | |
78 | if (preg_match('/^href/i', $url)) { | |
79 | $url = preg_replace('/^href[ ]*=[ ]*[\'"](.*?)[\'"]$/i', '$1', $url); | |
80 | $hrefExists = TRUE; | |
81 | } | |
82 | ||
83 | $tracker->url = $url; | |
84 | $tracker->mailing_id = $mailing_id; | |
85 | ||
86 | if (!$tracker->find(TRUE)) { | |
87 | $tracker->save(); | |
88 | } | |
89 | $id = $tracker->id; | |
90 | $tracker->free(); | |
91 | ||
92 | $redirect = $config->userFrameworkResourceURL . "extern/url.php?u=$id"; | |
93 | $urlCache[$url] = $redirect; | |
94 | } | |
95 | ||
96 | $returnUrl = "{$urlCache[$url]}&qid={$queue_id}"; | |
97 | ||
98 | if ($hrefExists) { | |
99 | $returnUrl = "href='{$returnUrl}'"; | |
100 | } | |
101 | ||
102 | return $returnUrl; | |
103 | } | |
104 | ||
105 | public static function scan_and_replace(&$msg, $mailing_id, $queue_id, $onlyHrefs = FALSE) { | |
106 | if (!$mailing_id) { | |
107 | return; | |
108 | } | |
109 | ||
110 | $protos = '(https?|ftp)'; | |
111 | $letters = '\w'; | |
112 | $gunk = '/#~:.?+=&%@!\-'; | |
113 | $punc = '.:?\-'; | |
114 | $any = "{$letters}{$gunk}{$punc}"; | |
115 | if ($onlyHrefs) { | |
116 | $pattern = "{\\b(href=([\"'])?($protos:[$any]+?(?=[$punc]*[^$any]|$))([\"'])?)}im"; | |
117 | } | |
118 | else { | |
119 | $pattern = "{\\b($protos:[$any]+?(?=[$punc]*[^$any]|$))}eim"; | |
120 | } | |
121 | ||
122 | $trackURL = CRM_Mailing_BAO_TrackableURL::getTrackerURL('\\1', $mailing_id, $queue_id); | |
123 | $replacement = $onlyHrefs ? ("href=\"{$trackURL}\"") : ("\"{$trackURL}\""); | |
124 | ||
125 | $msg = preg_replace($pattern, $replacement, $msg); | |
126 | } | |
127 | } | |
128 |