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<?php |
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/** |
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* Smarty plugin |
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* @package Smarty |
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* @subpackage plugins |
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*/ |
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|
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|
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/** |
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* Smarty {mailto} function plugin |
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* |
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* Type: function<br> |
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* Name: mailto<br> |
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* Date: May 21, 2002 |
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* Purpose: automate mailto address link creation, and optionally |
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* encode them.<br> |
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* Input:<br> |
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* - address = e-mail address |
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* - text = (optional) text to display, default is address |
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* - encode = (optional) can be one of: |
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* * none : no encoding (default) |
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* * javascript : encode with javascript |
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* * hex : encode with hexidecimal (no javascript) |
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* - cc = (optional) address(es) to carbon copy |
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* - bcc = (optional) address(es) to blind carbon copy |
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* - subject = (optional) e-mail subject |
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* - newsgroups = (optional) newsgroup(s) to post to |
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* - followupto = (optional) address(es) to follow up to |
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* - extra = (optional) extra tags for the href link |
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* |
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* Examples: |
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* <pre> |
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* {mailto address="me@domain.com"} |
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* {mailto address="me@domain.com" encode="javascript"} |
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* {mailto address="me@domain.com" encode="hex"} |
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* {mailto address="me@domain.com" subject="Hello to you!"} |
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* {mailto address="me@domain.com" cc="you@domain.com,they@domain.com"} |
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* {mailto address="me@domain.com" extra='class="mailto"'} |
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* </pre> |
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* @link http://smarty.php.net/manual/en/language.function.mailto.php {mailto} |
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* (Smarty online manual) |
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* @version 1.2 |
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* @author Monte Ohrt <monte@ispi.net> |
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* @author credits to Jason Sweat (added cc, bcc and subject functionality) |
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* @param array |
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* @param Smarty |
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* @return string |
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*/ |
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function smarty_function_mailto($params, &$smarty) |
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{ |
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$extra = ''; |
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|
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if (empty($params['address'])) { |
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$smarty->trigger_error("mailto: missing 'address' parameter"); |
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return; |
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} else { |
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$address = $params['address']; |
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} |
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|
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$text = $address; |
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|
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// netscape and mozilla do not decode %40 (@) in BCC field (bug?) |
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// so, don't encode it. |
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$mail_parms = array(); |
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foreach ($params as $var=>$value) { |
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switch ($var) { |
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case 'cc': |
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case 'bcc': |
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case 'followupto': |
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if (!empty($value)) |
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$mail_parms[] = $var.'='.str_replace('%40','@',rawurlencode($value)); |
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break; |
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|
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case 'subject': |
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case 'newsgroups': |
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$mail_parms[] = $var.'='.rawurlencode($value); |
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break; |
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|
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case 'extra': |
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case 'text': |
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$$var = $value; |
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|
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default: |
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} |
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} |
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|
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$mail_parm_vals = ''; |
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for ($i=0; $i<count($mail_parms); $i++) { |
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$mail_parm_vals .= (0==$i) ? '?' : '&'; |
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$mail_parm_vals .= $mail_parms[$i]; |
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} |
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$address .= $mail_parm_vals; |
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|
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$encode = (empty($params['encode'])) ? 'none' : $params['encode']; |
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if (!in_array($encode,array('javascript','hex','none')) ) { |
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$smarty->trigger_error("mailto: 'encode' parameter must be none, javascript or hex"); |
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return; |
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} |
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|
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if ($encode == 'javascript' ) { |
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$string = 'document.write(\'<a href="mailto:'.$address.'" '.$extra.'>'.$text.'</a>\');'; |
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|
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$js_encode = ''; |
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for ($x=0; $x < strlen($string); $x++) { |
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$js_encode .= '%' . bin2hex($string[$x]); |
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} |
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|
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return '<script type="text/javascript" language="javascript">eval(unescape(\''.$js_encode.'\'))</script>'; |
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|
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} elseif ($encode == 'hex') { |
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|
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preg_match('!^(.*)(\?.*)$!',$address,$match); |
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if(!empty($match[2])) { |
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$smarty->trigger_error("mailto: hex encoding does not work with extra attributes. Try javascript."); |
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return; |
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} |
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$address_encode = ''; |
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for ($x=0; $x < strlen($address); $x++) { |
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if(preg_match('!\w!',$address[$x])) { |
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$address_encode .= '%' . bin2hex($address[$x]); |
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} else { |
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$address_encode .= $address[$x]; |
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} |
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} |
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$text_encode = ''; |
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for ($x=0; $x < strlen($text); $x++) { |
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$text_encode .= '&#x' . bin2hex($text[$x]).';'; |
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} |
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|
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$mailto = "mailto:"; |
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return '<a href="'.$mailto.$address_encode.'" '.$extra.'>'.$text_encode.'</a>'; |
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|
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} else { |
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// no encoding |
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return '<a href="mailto:'.$address.'" '.$extra.'>'.$text.'</a>'; |
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|
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} |
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|
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} |
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|
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/* vim: set expandtab: */ |
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|
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?> |
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