mirror of
https://github.com/smarty-php/smarty.git
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125 lines
3.7 KiB
PHP
125 lines
3.7 KiB
PHP
<?php
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/*
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* Smarty plugin
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* -------------------------------------------------------------
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* Type: function
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* Name: mailto
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* Version: 1.2
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* Date: May 21, 2002
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* Author: Monte Ohrt <monte@ispi.net>
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* Credits: Jason Sweat (added cc, bcc and subject functionality)
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* Purpose: automate mailto address link creation, and optionally
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* encode them.
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* Input: 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: {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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* -------------------------------------------------------------
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*/
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function smarty_function_mailto($params, &$smarty)
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{
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extract($params);
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if (empty($address)) {
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$smarty->trigger_error("mailto: missing 'address' parameter");
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return;
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}
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if (empty($text)) {
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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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if (!empty($cc)) {
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$mail_parms[] = 'cc='.str_replace('%40','@',rawurlencode($cc));
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}
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if (!empty($bcc)) {
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$mail_parms[] = 'bcc='.str_replace('%40','@',rawurlencode($bcc));
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}
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if (!empty($subject)) {
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$mail_parms[] = 'subject='.rawurlencode($subject);
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}
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if (!empty($newsgroups)) {
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$mail_parms[] = 'newsgroups='.rawurlencode($newsgroups);
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}
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if (!empty($followupto)) {
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$mail_parms[] = 'followupto='.str_replace('%40','@',rawurlencode($followupto));
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}
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for ($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 .= $mail_parm_vals;
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if (empty($encode)) {
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$encode = 'none';
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} elseif (!in_array($encode,array('javascript','hex','none')) ) {
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$smarty->trigger_error("mailto: 'encode' parameter must be none, javascript or hex");
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return;
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}
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if ($encode == 'javascript' ) {
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$string = 'document.write(\'<a href="mailto:'.$address.'" '.$extra.'>'.$text.'</a>\');';
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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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return '<SCRIPT language="javascript">eval(unescape(\''.$js_encode.'\'))</SCRIPT>';
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} elseif ($encode == 'hex') {
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preg_match('!^(.*)(\?.*)$!',$address,$match);
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if(!empty($match[2])) {
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$smarty->trigger_error("mailto: hex encoding does not work with extra attributes. Try javascript.");
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return;
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}
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for ($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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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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return '<a href="mailto:'.$address_encode.'" '.$extra.'>'.$text_encode.'</a>';
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} else {
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// no encoding
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return '<a href="mailto:'.$address.'" '.$extra.'>'.$text.'</a>';
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}
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}
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/* vim: set expandtab: */
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?>
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