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<?php
/**
* Redirection
*
* @package Redirection
* @author John Godley
* @copyright Copyright( C ) John Godley
**/
/*
============================================================================================================
This software is provided "as is" and any express or implied warranties, including, but not limited to, the
implied warranties of merchantibility and fitness for a particular purpose are disclaimed. In no event shall
the copyright owner or contributors be liable for any direct, indirect, incidental, special, exemplary, or
consequential damages( including, but not limited to, procurement of substitute goods or services; loss of
use, data, or profits; or business interruption ) however caused and on any theory of liability, whether in
contract, strict liability, or tort( including negligence or otherwise ) arising in any way out of the use of
this software, even if advised of the possibility of such damage.
For full license details see license.txt
============================================================================================================ */
class Referrer_Match extends Red_Match {
var $referrer;
var $regex;
function name() {
return __( 'URL and referrer', 'redirection' );
}
function show() {
$codes = array(
301 => get_status_header_desc( 301 ),
302 => get_status_header_desc( 302 ),
307 => get_status_header_desc( 307 )
);
?>
<tr>
<th width="100"><?php _e( 'Referrer', 'redirection' ); ?>:</th>
<td valign="top">
<input style="width: 85%" type="text" name="referrer" value="<?php echo esc_attr( $this->referrer ); ?>"/>
<label><?php _e( 'Regex', 'redirection' ); ?>: <input type="checkbox" name="regex" <?php if ( $this->regex == true ) echo ' checked="checked"' ?>/></label>
</td>
</tr>
<tr>
<th><?php _e( 'HTTP Code', 'redirection' ); ?>:</th>
<td>
<select name="action_code">
<?php foreach ( $codes AS $key => $code ) : ?>
<option value="<?php echo $key ?>"<?php if ( $key == $this->action_code ) echo ' selected="selected"' ?>><?php printf( '%s - %s', $key, $code ) ?></option>
<?php endforeach?>
</select>
</td>
</tr>
</table>
<p style="padding: 0.5em"><?php _e( 'The visitor will be redirected from the source URL if the referrer matches. You can specify a <em>matched</em> target URL as the address to send visitors if they do match, and <em>not matched</em> if they don\'t match. Leaving a URL blank means that the visitor is not redirected.', 'redirection' ); ?></p>
<table class="edit">
<tr>
<th width="100" valign="top">
<?php if ( strlen( $this->url_from ) > 0 ) : ?>
<a target="_blank" href="<?php echo esc_url( $this->url_from ) ?>"><?php _e( 'Matched', 'redirection' ); ?>:</a>
<?php else : ?>
<?php _e( 'Matched', 'redirection' ); ?>:
<?php endif; ?>
</th>
<td valign="top"><input style="width: 95%" type="text" name="url_from" value="<?php echo esc_attr( $this->url_from ); ?>" id="new"/></td>
</tr>
<tr>
<th width="100" valign="top">
<?php if ( strlen( $this->url_notfrom ) > 0 ) : ?>
<a target="_blank" href="<?php echo $this->url_notfrom ?>"><?php _e( 'Not matched', 'redirection' ); ?>:</a>
<?php else : ?>
<?php _e( 'Not matched', 'redirection' ); ?>:
<?php endif; ?>
</th>
<td valign="top">
<input style="width: 95%" type="text" name="url_notfrom" value="<?php echo esc_attr( $this->url_notfrom ); ?>" id="new"/><br/>
</td>
</tr>
<?php
}
function save( $details ) {
if ( isset( $details['target'] ) )
$details['url_from'] = $details['target'];
return array(
'url_from' => $details['url_from'],
'url_notfrom' => $details['url_notfrom'],
'regex' => isset( $details['regex'] ) ? true : false,
'referrer' => $details['referrer']
);
}
function initialize( $url ) {
$this->url = array( $url, '' );
}
function wants_it() {
// Match referrer
return true;
}
function get_target( $url, $matched_url, $regex ) {
$target = false;
// Check if referrer matches
if ( ( $this->regex == false && $_SERVER['HTTP_REFERER'] == $this->referrer ) ||( $this->regex == true && preg_match( '@'.str_replace( '@', '\\@', $this->referrer ).'@', $_SERVER['HTTP_REFERER'], $matches ) ) ) {
$target = $this->url_from;
if ( $regex )
$target = preg_replace( '@'.str_replace( '@', '\\@', $matched_url ).'@', $target, $url );
}
elseif ( $this->url_notfrom != '' )
$target = $this->url_notfrom;
return $target;
}
function match_name() {
return sprintf( 'referrer - <code>%s</code>', $this->referrer );
}
}
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