/framework/vendor/smarty2/lib/plugins/function.mailto.php

  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 */
 50function 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        $mailto = "&#109;&#97;&#105;&#108;&#116;&#111;&#58;";
151        return '<a href="'.$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?>