| 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 | $extra = ''; | 
| 52 |  | 
| 53 | if (empty($params['address'])) { | 
| 54 | $smarty->trigger_error("mailto: missing 'address' parameter"); | 
| 55 | return; | 
| 56 | } else { | 
| 57 | $address = $params['address']; | 
| 58 | } | 
| 59 |  | 
| 60 | $text = $address; | 
| 61 |  | 
| 62 | // netscape and mozilla do not decode %40 (@) in BCC field (bug?) | 
| 63 | // so, don't encode it. | 
| 64 | $mail_parms = array(); | 
| 65 | foreach ($params as $var=>$value) { | 
| 66 | switch ($var) { | 
| 67 | case 'cc': | 
| 68 | case 'bcc': | 
| 69 | case 'followupto': | 
| 70 | if (!empty($value)) | 
| 71 | $mail_parms[] = $var.'='.str_replace('%40','@',rawurlencode($value)); | 
| 72 | break; | 
| 73 |  | 
| 74 | case 'subject': | 
| 75 | case 'newsgroups': | 
| 76 | $mail_parms[] = $var.'='.rawurlencode($value); | 
| 77 | break; | 
| 78 |  | 
| 79 | case 'extra': | 
| 80 | case 'text': | 
| 81 | $$var = $value; | 
| 82 |  | 
| 83 | default: | 
| 84 | } | 
| 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 | $encode = (empty($params['encode'])) ? 'none' : $params['encode']; | 
| 95 | if (!in_array($encode,array('javascript','hex','none')) ) { | 
| 96 | $smarty->trigger_error("mailto: 'encode' parameter must be none, javascript or hex"); | 
| 97 | return; | 
| 98 | } | 
| 99 |  | 
| 100 | if ($encode == 'javascript' ) { | 
| 101 | $string = 'document.write(\'<a href="mailto:'.$address.'" '.$extra.'>'.$text.'</a>\');'; | 
| 102 |  | 
| 103 | $js_encode = ''; | 
| 104 | for ($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 | $address_encode = ''; | 
| 118 | for ($x=0; $x < strlen($address); $x++) { | 
| 119 | if(preg_match('!\w!',$address[$x])) { | 
| 120 | $address_encode .= '%' . bin2hex($address[$x]); | 
| 121 | } else { | 
| 122 | $address_encode .= $address[$x]; | 
| 123 | } | 
| 124 | } | 
| 125 | $text_encode = ''; | 
| 126 | for ($x=0; $x < strlen($text); $x++) { | 
| 127 | $text_encode .= '&#x' . bin2hex($text[$x]).';'; | 
| 128 | } | 
| 129 |  | 
| 130 | $mailto = "mailto:"; | 
| 131 | return '<a href="'.$mailto.$address_encode.'" '.$extra.'>'.$text_encode.'</a>'; | 
| 132 |  | 
| 133 | } else { | 
| 134 | // no encoding | 
| 135 | return '<a href="mailto:'.$address.'" '.$extra.'>'.$text.'</a>'; | 
| 136 |  | 
| 137 | } | 
| 138 |  | 
| 139 | } | 
| 140 |  | 
| 141 | /* vim: set expandtab: */ | 
| 142 |  | 
| 143 | ?> |