Commit | Line | Data |
---|---|---|
6a488035 TO |
1 | <?php |
2 | /* | |
3 | +--------------------------------------------------------------------+ | |
7e9e8871 | 4 | | CiviCRM version 4.7 | |
6a488035 | 5 | +--------------------------------------------------------------------+ |
fa938177 | 6 | | Copyright CiviCRM LLC (c) 2004-2016 | |
6a488035 TO |
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 | +--------------------------------------------------------------------+ | |
d25dd0ee | 26 | */ |
6a488035 TO |
27 | |
28 | /** | |
29 | * | |
30 | * @package CRM | |
fa938177 | 31 | * @copyright CiviCRM LLC (c) 2004-2016 |
6a488035 TO |
32 | */ |
33 | ||
34 | /** | |
35 | * @file | |
36 | * API for event export in iCalendar format | |
37 | * as outlined in Internet Calendaring and | |
38 | * Scheduling Core Object Specification | |
6a488035 TO |
39 | */ |
40 | class CRM_Utils_ICalendar { | |
41 | ||
42 | /** | |
fe482240 | 43 | * Escape text elements for safe ICalendar use. |
6a488035 | 44 | * |
77855840 TO |
45 | * @param $text |
46 | * Text to escape. | |
6a488035 | 47 | * |
72b3a70c CW |
48 | * @return string |
49 | * Escaped text | |
6a488035 | 50 | */ |
00be9182 | 51 | public static function formatText($text) { |
6a488035 TO |
52 | $text = strip_tags($text); |
53 | $text = str_replace("\"", "DQUOTE", $text); | |
54 | $text = str_replace("\\", "\\\\", $text); | |
55 | $text = str_replace(",", "\,", $text); | |
56 | $text = str_replace(";", "\;", $text); | |
57 | $text = str_replace(array("\r\n", "\n", "\r"), "\\n ", $text); | |
58 | $text = implode("\n ", str_split($text, 50)); | |
59 | return $text; | |
60 | } | |
61 | ||
62 | /** | |
fe482240 | 63 | * Escape date elements for safe ICalendar use. |
6a488035 | 64 | * |
77855840 TO |
65 | * @param $date |
66 | * Date to escape. | |
6a488035 | 67 | * |
f4aaa82a | 68 | * @param bool $gdata |
6a488035 | 69 | * |
72b3a70c CW |
70 | * @return string |
71 | * Escaped date | |
6a488035 | 72 | */ |
00be9182 | 73 | public static function formatDate($date, $gdata = FALSE) { |
6a488035 TO |
74 | |
75 | if ($gdata) { | |
76 | return date("Y-m-d\TH:i:s.000", | |
77 | strtotime($date) | |
78 | ); | |
79 | } | |
80 | else { | |
81 | return date("Ymd\THis", | |
82 | strtotime($date) | |
83 | ); | |
84 | } | |
85 | } | |
86 | ||
87 | /** | |
6a488035 TO |
88 | * Send the ICalendar to the browser with the specified content type |
89 | * - 'text/calendar' : used for downloaded ics file | |
90 | * - 'text/plain' : used for iCal formatted feed | |
91 | * - 'text/xml' : used for gData or rss formatted feeds | |
92 | * | |
6a488035 | 93 | * |
77855840 TO |
94 | * @param string $calendar |
95 | * The calendar data to be published. | |
f4aaa82a | 96 | * @param string $content_type |
77855840 TO |
97 | * @param string $charset |
98 | * The character set to use, defaults to 'us-ascii'. | |
99 | * @param string $fileName | |
100 | * The file name (for downloads). | |
101 | * @param string $disposition | |
102 | * How the file should be sent ('attachment' for downloads). | |
6a488035 | 103 | */ |
00be9182 | 104 | public static function send($calendar, $content_type = 'text/calendar', $charset = 'us-ascii', $fileName = NULL, $disposition = NULL) { |
6a488035 TO |
105 | $config = CRM_Core_Config::singleton(); |
106 | $lang = $config->lcMessages; | |
d42a224c CW |
107 | CRM_Utils_System::setHttpHeader("Content-Language", $lang); |
108 | CRM_Utils_System::setHttpHeader("Content-Type", "$content_type; charset=$charset"); | |
6a488035 TO |
109 | |
110 | if ($content_type == 'text/calendar') { | |
d42a224c CW |
111 | CRM_Utils_System::setHttpHeader('Content-Length', strlen($calendar)); |
112 | CRM_Utils_System::setHttpHeader("Content-Disposition", "$disposition; filename=\"$fileName\""); | |
113 | CRM_Utils_System::setHttpHeader("Pragma", "no-cache"); | |
114 | CRM_Utils_System::setHttpHeader("Expires", "0"); | |
115 | CRM_Utils_System::setHttpHeader("Cache-Control", "no-cache, must-revalidate"); | |
6a488035 TO |
116 | } |
117 | ||
118 | echo $calendar; | |
119 | } | |
96025800 | 120 | |
6a488035 | 121 | } |