<?php
class Red_Apache_File extends Red_FileIO {
public function force_download() {
parent::force_download();
header( 'Content-Type: application/octet-stream' );
header( 'Content-Disposition: attachment; filename="' . $this->export_filename( 'htaccess' ) . '"' );
}
public function get_data( array $items, array $groups ) {
include_once dirname( dirname( __FILE__ ) ) . '/models/htaccess.php';
$htaccess = new Red_Htaccess();
foreach ( $items as $item ) {
$htaccess->add( $item );
}
return $htaccess->get() . PHP_EOL;
}
public function load( $group, $filename, $data ) {
// Remove any comments
$data = str_replace( "\n", "\r", $data );
// Split it into lines
$lines = array_filter( explode( "\r", $data ) );
$count = 0;
foreach ( (array) $lines as $line ) {
$item = $this->get_as_item( $line );
if ( $item ) {
$item['group_id'] = $group;
$redirect = Red_Item::create( $item );
if ( ! is_wp_error( $redirect ) ) {
$count++;
}
}
}
return $count;
}
public function get_as_item( $line ) {
$item = false;
if ( preg_match( '@rewriterule\s+(.*?)\s+(.*?)\s+(\[.*\])*@i', $line, $matches ) > 0 ) {
$item = array(
'url' => $this->regex_url( $matches[1] ),
'match_type' => 'url',
'action_type' => 'url',
'action_data' => array( 'url' => $this->decode_url( $matches[2] ) ),
'action_code' => $this->get_code( $matches[3] ),
'regex' => $this->is_regex( $matches[1] ),
);
} elseif ( preg_match( '@Redirect\s+(.*?)\s+"(.*?)"\s+(.*)@i', $line, $matches ) > 0 || preg_match( '@Redirect\s+(.*?)\s+(.*?)\s+(.*)@i', $line, $matches ) > 0 ) {
$item = array(
'url' => $this->decode_url( $matches[2] ),
'match_type' => 'url',
'action_type' => 'url',
'action_data' => array( 'url' => $this->decode_url( $matches[3] ) ),
'action_code' => $this->get_code( $matches[1] ),
);
} elseif ( preg_match( '@Redirect\s+"(.*?)"\s+(.*)@i', $line, $matches ) > 0 || preg_match( '@Redirect\s+(.*?)\s+(.*)@i', $line, $matches ) > 0 ) {
$item = array(
'url' => $this->decode_url( $matches[1] ),
'match_type' => 'url',
'action_type' => 'url',
'action_data' => array( 'url' => $this->decode_url( $matches[2] ) ),
'action_code' => 302,
);
} elseif ( preg_match( '@Redirectmatch\s+(.*?)\s+(.*?)\s+(.*)@i', $line, $matches ) > 0 ) {
$item = array(
'url' => $this->decode_url( $matches[2] ),
'match_type' => 'url',
'action_type' => 'url',
'action_data' => array( 'url' => $this->decode_url( $matches[3] ) ),
'action_code' => $this->get_code( $matches[1] ),
'regex' => true,
);
} elseif ( preg_match( '@Redirectmatch\s+(.*?)\s+(.*)@i', $line, $matches ) > 0 ) {
$item = array(
'url' => $this->decode_url( $matches[1] ),
'match_type' => 'url',
'action_type' => 'url',
'action_data' => array( 'url' => $this->decode_url( $matches[2] ) ),
'action_code' => 302,
'regex' => true,
);
}
if ( $item ) {
$item['action_type'] = 'url';
$item['match_type'] = 'url';
if ( $item['action_code'] === 0 ) {
$item['action_type'] = 'pass';
}
return $item;
}
return false;
}
private function decode_url( $url ) {
$url = rawurldecode( $url );
// Replace quoted slashes
$url = preg_replace( '@\\\/@', '/', $url );
// Ensure escaped '.' is still escaped
$url = preg_replace( '@\\\\.@', '\\\\.', $url );
return $url;
}
private function is_str_regex( $url ) {
$regex = '()[]$^?+.';
$escape = false;
$len = strlen( $url );
for ( $x = 0; $x < $len; $x++ ) {
$escape = false;
$char = substr( $url, $x, 1 );
if ( $char === '\\' ) {
$escape = true;
} elseif ( strpos( $regex, $char ) !== false && ! $escape ) {
return true;
}
}
return false;
}
private function is_regex( $url ) {
if ( $this->is_str_regex( $url ) ) {
$tmp = ltrim( $url, '^' );
$tmp = rtrim( $tmp, '$' );
if ( $this->is_str_regex( $tmp ) ) {
return true;
}
}
return false;
}
private function regex_url( $url ) {
$url = $this->decode_url( $url );
if ( $this->is_str_regex( $url ) ) {
$tmp = ltrim( $url, '^' );
$tmp = rtrim( $tmp, '$' );
if ( $this->is_str_regex( $tmp ) ) {
return '^/' . ltrim( $tmp, '/' );
}
return '/' . ltrim( $tmp, '/' );
}
return $this->decode_url( $url );
}
private function get_code( $code ) {
if ( strpos( $code, '301' ) !== false || stripos( $code, 'permanent' ) !== false ) {
return 301;
}
if ( strpos( $code, '302' ) !== false ) {
return 302;
}
if ( strpos( $code, '307' ) !== false || stripos( $code, 'seeother' ) !== false ) {
return 307;
}
if ( strpos( $code, '404' ) !== false || stripos( $code, 'forbidden' ) !== false || strpos( $code, 'F' ) !== false ) {
return 404;
}
if ( strpos( $code, '410' ) !== false || stripos( $code, 'gone' ) !== false || strpos( $code, 'G' ) !== false ) {
return 410;
}
return 302;
}
}