git-svn-id: http://piwigo.org/svn/trunk@2357 68402e56-0260-453c-a942-63ccdbb3a9ee

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diff --git a/BSF/include/smarty/libs/plugins/function.mailto.php b/BSF/include/smarty/libs/plugins/function.mailto.php
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+++ b/BSF/include/smarty/libs/plugins/function.mailto.php
@@ -0,0 +1,165 @@
+<?php
+/**
+ * Smarty plugin
+ * @package Smarty
+ * @subpackage plugins
+ */
+
+
+/**
+ * Smarty {mailto} function plugin
+ *
+ * Type:     function<br>
+ * Name:     mailto<br>
+ * Date:     May 21, 2002
+ * Purpose:  automate mailto address link creation, and optionally
+ *           encode them.<br>
+ * Input:<br>
+ *         - address = 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 hexidecimal (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:
+ * <pre>
+ * {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"'}
+ * </pre>
+ * @link http://smarty.php.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
+ * @param    Smarty
+ * @return   string
+ */
+function smarty_function_mailto($params, &$smarty)
+{
+    $extra = '';
+
+    if (empty($params['address'])) {
+        $smarty->trigger_error("mailto: missing 'address' parameter");
+        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;
+
+            default:
+        }
+    }
+
+    $mail_parm_vals = '';
+    for ($i=0; $i<count($mail_parms); $i++) {
+        $mail_parm_vals .= (0==$i) ? '?' : '&';
+        $mail_parm_vals .= $mail_parms[$i];
+    }
+    $address .= $mail_parm_vals;
+
+    $encode = (empty($params['encode'])) ? 'none' : $params['encode'];
+    if (!in_array($encode,array('javascript','javascript_charcode','hex','none')) ) {
+        $smarty->trigger_error("mailto: 'encode' parameter must be none, javascript or hex");
+        return;
+    }
+
+    if ($encode == 'javascript' ) {
+        $string = 'document.write(\'<a href="mailto:'.$address.'" '.$extra.'>'.$text.'</a>\');';
+
+        $js_encode = '';
+        for ($x=0; $x < strlen($string); $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";
+        $_ret .= "<!--\n";
+        $_ret .= "{document.write(String.fromCharCode(";
+        $_ret .= implode(',',$ord);
+        $_ret .= "))";
+        $_ret .= "}\n";
+        $_ret .= "//-->\n";
+        $_ret .= "</script>\n";
+        
+        return $_ret;
+        
+        
+    } elseif ($encode == 'hex') {
+
+        preg_match('!^(.*)(\?.*)$!',$address,$match);
+        if(!empty($match[2])) {
+            $smarty->trigger_error("mailto: hex encoding does not work with extra attributes. Try javascript.");
+            return;
+        }
+        $address_encode = '';
+        for ($x=0; $x < strlen($address); $x++) {
+            if(preg_match('!\w!',$address[$x])) {
+                $address_encode .= '%' . bin2hex($address[$x]);
+            } else {
+                $address_encode .= $address[$x];
+            }
+        }
+        $text_encode = '';
+        for ($x=0; $x < strlen($text); $x++) {
+            $text_encode .= '&#x' . bin2hex($text[$x]).';';
+        }
+
+        $mailto = "&#109;&#97;&#105;&#108;&#116;&#111;&#58;";
+        return '<a href="'.$mailto.$address_encode.'" '.$extra.'>'.$text_encode.'</a>';
+
+    } else {
+        // no encoding
+        return '<a href="mailto:'.$address.'" '.$extra.'>'.$text.'</a>';
+
+    }
+
+}
+
+/* vim: set expandtab: */
+
+?>