51ff3226 |
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 | ?> |