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| <?php |
| /** |
| * Smarty plugin |
| * |
| * @package Smarty |
| * @subpackage PluginsFunction |
| */ |
| /** |
| * Smarty {mailto} function plugin |
| * Type: function |
| * Name: mailto |
| * Date: May 21, 2002 |
| * Purpose: automate mailto address link creation, and optionally encode them. |
| * Params: |
| * |
| * - address - (required) - e-mail address |
| * - text - (optional) - text to display, default is address |
| * - encode - (optional) - can be one of: |
| * * none : no encoding (default) |
| * * javascript : encode with javascript |
| * * javascript_charcode : encode with javascript charcode |
| * * hex : encode with hexadecimal (no javascript) |
| * - cc - (optional) - address(es) to carbon copy |
| * - bcc - (optional) - address(es) to blind carbon copy |
| * - subject - (optional) - e-mail subject |
| * - newsgroups - (optional) - newsgroup(s) to post to |
| * - followupto - (optional) - address(es) to follow up to |
| * - extra - (optional) - extra tags for the href link |
| * |
| * Examples: |
| * |
| * {mailto address="me@domain.com"} |
| * {mailto address="me@domain.com" encode="javascript"} |
| * {mailto address="me@domain.com" encode="hex"} |
| * {mailto address="me@domain.com" subject="Hello to you!"} |
| * {mailto address="me@domain.com" cc="you@domain.com,they@domain.com"} |
| * {mailto address="me@domain.com" extra='class="mailto"'} |
| * |
| * @link http://www.smarty.net/manual/en/language.function.mailto.php {mailto} |
| * (Smarty online manual) |
| * @version 1.2 |
| * @author Monte Ohrt <monte at ohrt dot com> |
| * @author credits to Jason Sweat (added cc, bcc and subject functionality) |
| * |
| * @param array $params parameters |
| * |
| * @return string |
| */ |
| function smarty_function_mailto($params) |
| { |
| static $_allowed_encoding = |
| array('javascript' => true, 'javascript_charcode' => true, 'hex' => true, 'none' => true); |
| $extra = ''; |
| if (empty($params[ 'address' ])) { |
| trigger_error("mailto: missing 'address' parameter", E_USER_WARNING); |
| return; |
| } else { |
| $address = $params[ 'address' ]; |
| } |
| $text = $address; |
| // netscape and mozilla do not decode %40 (@) in BCC field (bug?) |
| // so, don't encode it. |
| $search = array('%40', '%2C'); |
| $replace = array('@', ','); |
| $mail_parms = array(); |
| foreach ($params as $var => $value) { |
| switch ($var) { |
| case 'cc': |
| case 'bcc': |
| case 'followupto': |
| if (!empty($value)) { |
| $mail_parms[] = $var . '=' . str_replace($search, $replace, rawurlencode($value)); |
| } |
| break; |
| case 'subject': |
| case 'newsgroups': |
| $mail_parms[] = $var . '=' . rawurlencode($value); |
| break; |
| case 'extra': |
| case 'text': |
| $$var = $value; |
| // no break |
| default: |
| } |
| } |
| if ($mail_parms) { |
| $address .= '?' . join('&', $mail_parms); |
| } |
| $encode = (empty($params[ 'encode' ])) ? 'none' : $params[ 'encode' ]; |
| if (!isset($_allowed_encoding[ $encode ])) { |
| trigger_error( |
| "mailto: 'encode' parameter must be none, javascript, javascript_charcode or hex", |
| E_USER_WARNING |
| ); |
| return; |
| } |
| // FIXME: (rodneyrehm) document.write() excues me what? 1998 has passed! |
| if ($encode === 'javascript') { |
| $string = 'document.write(\'<a href="mailto:' . $address . '" ' . $extra . '>' . $text . '</a>\');'; |
| $js_encode = ''; |
| for ($x = 0, $_length = strlen($string); $x < $_length; $x++) { |
| $js_encode .= '%' . bin2hex($string[ $x ]); |
| } |
| return '<script type="text/javascript">eval(unescape(\'' . $js_encode . '\'))</script>'; |
| } elseif ($encode === 'javascript_charcode') { |
| $string = '<a href="mailto:' . $address . '" ' . $extra . '>' . $text . '</a>'; |
| for ($x = 0, $y = strlen($string); $x < $y; $x++) { |
| $ord[] = ord($string[ $x ]); |
| } |
| $_ret = "<script type=\"text/javascript\" language=\"javascript\">\n" . "{document.write(String.fromCharCode(" . |
| implode(',', $ord) . "))" . "}\n" . "</script>\n"; |
| return $_ret; |
| } elseif ($encode === 'hex') { |
| preg_match('!^(.*)(\?.*)$!', $address, $match); |
| if (!empty($match[ 2 ])) { |
| trigger_error("mailto: hex encoding does not work with extra attributes. Try javascript.", E_USER_WARNING); |
| return; |
| } |
| $address_encode = ''; |
| for ($x = 0, $_length = strlen($address); $x < $_length; $x++) { |
| if (preg_match('!\w!' . Smarty::$_UTF8_MODIFIER, $address[ $x ])) { |
| $address_encode .= '%' . bin2hex($address[ $x ]); |
| } else { |
| $address_encode .= $address[ $x ]; |
| } |
| } |
| $text_encode = ''; |
| for ($x = 0, $_length = strlen($text); $x < $_length; $x++) { |
| $text_encode .= '&#x' . bin2hex($text[ $x ]) . ';'; |
| } |
| $mailto = "mailto:"; |
| return '<a href="' . $mailto . $address_encode . '" ' . $extra . '>' . $text_encode . '</a>'; |
| } else { |
| // no encoding |
| return '<a href="mailto:' . $address . '" ' . $extra . '>' . $text . '</a>'; |
| } |
| } |