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b42b2bf9 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 | * * javascript_charcode : encode with javascript charcode | |
24 | * * hex : encode with hexidecimal (no javascript) | |
25 | * - cc = (optional) address(es) to carbon copy | |
26 | * - bcc = (optional) address(es) to blind carbon copy | |
27 | * - subject = (optional) e-mail subject | |
28 | * - newsgroups = (optional) newsgroup(s) to post to | |
29 | * - followupto = (optional) address(es) to follow up to | |
30 | * - extra = (optional) extra tags for the href link | |
31 | * | |
32 | * Examples: | |
33 | * <pre> | |
34 | * {mailto address="me@domain.com"} | |
35 | * {mailto address="me@domain.com" encode="javascript"} | |
36 | * {mailto address="me@domain.com" encode="hex"} | |
37 | * {mailto address="me@domain.com" subject="Hello to you!"} | |
38 | * {mailto address="me@domain.com" cc="you@domain.com,they@domain.com"} | |
39 | * {mailto address="me@domain.com" extra='class="mailto"'} | |
40 | * </pre> | |
41 | * @link http://smarty.php.net/manual/en/language.function.mailto.php {mailto} | |
42 | * (Smarty online manual) | |
43 | * @version 1.2 | |
44 | * @author Monte Ohrt <monte at ohrt dot com> | |
45 | * @author credits to Jason Sweat (added cc, bcc and subject functionality) | |
46 | * @param array | |
47 | * @param Smarty | |
48 | * @return string | |
49 | */ | |
50 | function smarty_function_mailto($params, &$smarty) | |
51 | { | |
52 | $extra = ''; | |
53 | ||
54 | if (empty($params['address'])) { | |
55 | $smarty->trigger_error("mailto: missing 'address' parameter"); | |
56 | return; | |
57 | } else { | |
58 | $address = $params['address']; | |
59 | } | |
60 | ||
61 | $text = $address; | |
62 | ||
63 | // netscape and mozilla do not decode %40 (@) in BCC field (bug?) | |
64 | // so, don't encode it. | |
65 | $mail_parms = array(); | |
66 | foreach ($params as $var=>$value) { | |
67 | switch ($var) { | |
68 | case 'cc': | |
69 | case 'bcc': | |
70 | case 'followupto': | |
71 | if (!empty($value)) | |
72 | $mail_parms[] = $var.'='.str_replace('%40','@',rawurlencode($value)); | |
73 | break; | |
74 | ||
75 | case 'subject': | |
76 | case 'newsgroups': | |
77 | $mail_parms[] = $var.'='.rawurlencode($value); | |
78 | break; | |
79 | ||
80 | case 'extra': | |
81 | case 'text': | |
82 | $$var = $value; | |
83 | ||
84 | default: | |
85 | } | |
86 | } | |
87 | ||
88 | $mail_parm_vals = ''; | |
89 | for ($i=0; $i<count($mail_parms); $i++) { | |
90 | $mail_parm_vals .= (0==$i) ? '?' : '&'; | |
91 | $mail_parm_vals .= $mail_parms[$i]; | |
92 | } | |
93 | $address .= $mail_parm_vals; | |
94 | ||
95 | $encode = (empty($params['encode'])) ? 'none' : $params['encode']; | |
96 | if (!in_array($encode,array('javascript','javascript_charcode','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 | $js_encode = ''; | |
105 | for ($x=0; $x < strlen($string); $x++) { | |
106 | $js_encode .= '%' . bin2hex($string[$x]); | |
107 | } | |
108 | ||
109 | return '<script type="text/javascript">eval(unescape(\''.$js_encode.'\'))</script>'; | |
110 | ||
111 | } elseif ($encode == 'javascript_charcode' ) { | |
112 | $string = '<a href="mailto:'.$address.'" '.$extra.'>'.$text.'</a>'; | |
113 | ||
114 | for($x = 0, $y = strlen($string); $x < $y; $x++ ) { | |
115 | $ord[] = ord($string[$x]); | |
116 | } | |
117 | ||
118 | $_ret = "<script type=\"text/javascript\" language=\"javascript\">\n"; | |
119 | $_ret .= "<!--\n"; | |
120 | $_ret .= "{document.write(String.fromCharCode("; | |
121 | $_ret .= implode(',',$ord); | |
122 | $_ret .= "))"; | |
123 | $_ret .= "}\n"; | |
124 | $_ret .= "//-->\n"; | |
125 | $_ret .= "</script>\n"; | |
126 | ||
127 | return $_ret; | |
128 | ||
129 | ||
130 | } elseif ($encode == 'hex') { | |
131 | ||
132 | preg_match('!^(.*)(\?.*)$!',$address,$match); | |
133 | if(!empty($match[2])) { | |
134 | $smarty->trigger_error("mailto: hex encoding does not work with extra attributes. Try javascript."); | |
135 | return; | |
136 | } | |
137 | $address_encode = ''; | |
138 | for ($x=0; $x < strlen($address); $x++) { | |
139 | if(preg_match('!\w!',$address[$x])) { | |
140 | $address_encode .= '%' . bin2hex($address[$x]); | |
141 | } else { | |
142 | $address_encode .= $address[$x]; | |
143 | } | |
144 | } | |
145 | $text_encode = ''; | |
146 | for ($x=0; $x < strlen($text); $x++) { | |
147 | $text_encode .= '&#x' . bin2hex($text[$x]).';'; | |
148 | } | |
149 | ||
150 | $mailto = "mailto:"; | |
151 | return '<a href="'.$mailto.$address_encode.'" '.$extra.'>'.$text_encode.'</a>'; | |
152 | ||
153 | } else { | |
154 | // no encoding | |
155 | return '<a href="mailto:'.$address.'" '.$extra.'>'.$text.'</a>'; | |
156 | ||
157 | } | |
158 | ||
159 | } | |
160 | ||
161 | /* vim: set expandtab: */ | |
162 | ||
163 | ?> |