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e586807d H |
1 | <?php |
2 | /** | |
3 | * Smarty plugin | |
4 | * @package Smarty | |
5 | * @subpackage plugins | |
6 | */ | |
7 | ||
8 | ||
9 | /** | |
10 | * Smarty {mailto} function plugin | |
11 | * | |
12 | * Type: function<br> | |
13 | * Name: mailto<br> | |
14 | * Date: May 21, 2002 | |
15 | * Purpose: automate mailto address link creation, and optionally | |
16 | * encode them.<br> | |
17 | * Input:<br> | |
18 | * - address = e-mail address | |
19 | * - text = (optional) text to display, default is address | |
20 | * - encode = (optional) can be one of: | |
21 | * * none : no encoding (default) | |
22 | * * javascript : encode with javascript | |
23 | * * hex : encode with hexidecimal (no javascript) | |
24 | * - cc = (optional) address(es) to carbon copy | |
25 | * - bcc = (optional) address(es) to blind carbon copy | |
26 | * - subject = (optional) e-mail subject | |
27 | * - newsgroups = (optional) newsgroup(s) to post to | |
28 | * - followupto = (optional) address(es) to follow up to | |
29 | * - extra = (optional) extra tags for the href link | |
30 | * | |
31 | * Examples: | |
32 | * <pre> | |
33 | * {mailto address="me@domain.com"} | |
34 | * {mailto address="me@domain.com" encode="javascript"} | |
35 | * {mailto address="me@domain.com" encode="hex"} | |
36 | * {mailto address="me@domain.com" subject="Hello to you!"} | |
37 | * {mailto address="me@domain.com" cc="you@domain.com,they@domain.com"} | |
38 | * {mailto address="me@domain.com" extra='class="mailto"'} | |
39 | * </pre> | |
40 | * @link http://smarty.php.net/manual/en/language.function.mailto.php {mailto} | |
41 | * (Smarty online manual) | |
42 | * @version 1.2 | |
43 | * @author Monte Ohrt <monte@ispi.net> | |
44 | * @author credits to Jason Sweat (added cc, bcc and subject functionality) | |
45 | * @param array | |
46 | * @param Smarty | |
47 | * @return string | |
48 | */ | |
49 | function smarty_function_mailto($params, &$smarty) | |
50 | { | |
51 | $extra = ''; | |
52 | extract($params); | |
53 | ||
54 | if (empty($address)) { | |
55 | $smarty->trigger_error("mailto: missing 'address' parameter"); | |
56 | return; | |
57 | } | |
58 | ||
59 | if (empty($text)) { | |
60 | $text = $address; | |
61 | } | |
62 | ||
63 | // netscape and mozilla do not decode %40 (@) in BCC field (bug?) | |
64 | // so, don't encode it. | |
65 | ||
66 | $mail_parms = array(); | |
67 | if (!empty($cc)) { | |
68 | $mail_parms[] = 'cc='.str_replace('%40','@',rawurlencode($cc)); | |
69 | } | |
70 | ||
71 | if (!empty($bcc)) { | |
72 | $mail_parms[] = 'bcc='.str_replace('%40','@',rawurlencode($bcc)); | |
73 | } | |
74 | ||
75 | if (!empty($subject)) { | |
76 | $mail_parms[] = 'subject='.rawurlencode($subject); | |
77 | } | |
78 | ||
79 | if (!empty($newsgroups)) { | |
80 | $mail_parms[] = 'newsgroups='.rawurlencode($newsgroups); | |
81 | } | |
82 | ||
83 | if (!empty($followupto)) { | |
84 | $mail_parms[] = 'followupto='.str_replace('%40','@',rawurlencode($followupto)); | |
85 | } | |
86 | ||
87 | $mail_parm_vals = ''; | |
88 | for ($i=0; $i<count($mail_parms); $i++) { | |
89 | $mail_parm_vals .= (0==$i) ? '?' : '&'; | |
90 | $mail_parm_vals .= $mail_parms[$i]; | |
91 | } | |
92 | $address .= $mail_parm_vals; | |
93 | ||
94 | if (empty($encode)) { | |
95 | $encode = 'none'; | |
96 | } elseif (!in_array($encode,array('javascript','hex','none')) ) { | |
97 | $smarty->trigger_error("mailto: 'encode' parameter must be none, javascript or hex"); | |
98 | return; | |
99 | } | |
100 | ||
101 | if ($encode == 'javascript' ) { | |
102 | $string = 'document.write(\'<a href="mailto:'.$address.'" '.$extra.'>'.$text.'</a>\');'; | |
103 | ||
104 | for ($x=0; $x < strlen($string); $x++) { | |
105 | $js_encode .= '%' . bin2hex($string[$x]); | |
106 | } | |
107 | ||
108 | return '<script type="text/javascript" language="javascript">eval(unescape(\''.$js_encode.'\'))</script>'; | |
109 | ||
110 | } elseif ($encode == 'hex') { | |
111 | ||
112 | preg_match('!^(.*)(\?.*)$!',$address,$match); | |
113 | if(!empty($match[2])) { | |
114 | $smarty->trigger_error("mailto: hex encoding does not work with extra attributes. Try javascript."); | |
115 | return; | |
116 | } | |
117 | for ($x=0; $x < strlen($address); $x++) { | |
118 | if(preg_match('!\w!',$address[$x])) { | |
119 | $address_encode .= '%' . bin2hex($address[$x]); | |
120 | } else { | |
121 | $address_encode .= $address[$x]; | |
122 | } | |
123 | } | |
124 | for ($x=0; $x < strlen($text); $x++) { | |
125 | $text_encode .= '&#x' . bin2hex($text[$x]).';'; | |
126 | } | |
127 | ||
128 | return '<a href="mailto:'.$address_encode.'" '.$extra.'>'.$text_encode.'</a>'; | |
129 | ||
130 | } else { | |
131 | // no encoding | |
132 | return '<a href="mailto:'.$address.'" '.$extra.'>'.$text.'</a>'; | |
133 | ||
134 | } | |
135 | ||
136 | } | |
137 | ||
138 | /* vim: set expandtab: */ | |
139 | ||
140 | ?> |