redirection / fileio / nginx.php

nginx.php in Redirection 4.9, at fileio/nginx.php

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1	<?php
2
3	class Red_Nginx_File extends Red_FileIO {
4	public function force_download() {
5	parent::force_download();
6
7	header( 'Content-Type: application/octet-stream' );
8	header( 'Content-Disposition: attachment; filename="' . $this->export_filename( 'nginx' ) . '"' );
9	}
10
11	public function get_data( array $items, array $groups ) {
12	$lines = array();
13	$version = red_get_plugin_data( dirname( dirname( __FILE__ ) ) . '/redirection.php' );
14
15	$lines[] = '# Created by Redirection';
16	$lines[] = '# ' . date( 'r' );
17	$lines[] = '# Redirection ' . trim( $version['Version'] ) . ' - https://redirection.me';
18	$lines[] = '';
19	$lines[] = 'server {';
20
21	$parts = array();
22	foreach ( $items as $item ) {
23	if ( $item->is_enabled() ) {
24	$parts[] = $this->get_nginx_item( $item );
25	}
26	}
27
28	$lines = array_merge( $lines, array_filter( $parts ) );
29
30	$lines[] = '}';
31	$lines[] = '';
32	$lines[] = '# End of Redirection';
33
34	return implode( PHP_EOL, $lines ) . PHP_EOL;
35	}
36
37	private function get_redirect_code( Red_Item $item ) {
38	if ( $item->get_action_code() === 301 ) {
39	return 'permanent';
40	}
41	return 'redirect';
42	}
43
44	function load( $group, $data, $filename = '' ) {
45	return 0;
46	}
47
48	private function get_nginx_item( Red_Item $item ) {
49	$target = 'add_' . $item->get_match_type();
50
51	if ( method_exists( $this, $target ) ) {
52	return ' ' . $this->$target( $item, $item->get_match_data() );
53	}
54
55	return false;
56	}
57
58	private function add_url( Red_Item $item, array $match_data ) {
59	return $this->get_redirect( $item->get_url(), $item->get_action_data(), $this->get_redirect_code( $item ), $match_data['source'] );
60	}
61
62	private function add_agent( Red_Item $item, array $match_data ) {
63	if ( $item->match->url_from ) {
64	$lines[] = 'if ( $http_user_agent ~* ^' . $item->match->user_agent . '$ ) {';
65	$lines[] = ' ' . $this->get_redirect( $item->get_url(), $item->match->url_from, $this->get_redirect_code( $item ), $match_data['source'] );
66	$lines[] = ' }';
67	}
68
69	if ( $item->match->url_notfrom ) {
70	$lines[] = 'if ( $http_user_agent !~* ^' . $item->match->user_agent . '$ ) {';
71	$lines[] = ' ' . $this->get_redirect( $item->get_url(), $item->match->url_notfrom, $this->get_redirect_code( $item ), $match_data['source'] );
72	$lines[] = ' }';
73	}
74
75	return implode( "\n", $lines );
76	}
77
78	private function add_referrer( Red_Item $item, array $match_data ) {
79	if ( $item->match->url_from ) {
80	$lines[] = 'if ( $http_referer ~* ^' . $item->match->referrer . '$ ) {';
81	$lines[] = ' ' . $this->get_redirect( $item->get_url(), $item->match->url_from, $this->get_redirect_code( $item ), $match_data['source'] );
82	$lines[] = ' }';
83	}
84
85	if ( $item->match->url_notfrom ) {
86	$lines[] = 'if ( $http_referer !~* ^' . $item->match->referrer . '$ ) {';
87	$lines[] = ' ' . $this->get_redirect( $item->get_url(), $item->match->url_notfrom, $this->get_redirect_code( $item ), $match_data['source'] );
88	$lines[] = ' }';
89	}
90
91	return implode( "\n", $lines );
92	}
93
94	private function get_redirect( $line, $target, $code, $source ) {
95	// Remove any existing start/end from a regex
96	$line = ltrim( $line, '^' );
97	$line = rtrim( $line, '$' );
98
99	if ( isset( $source['flag_case'] ) && $source['flag_case'] ) {
100	$line = '(?i)^' . $line;
101	} else {
102	$line = '^' . $line;
103	}
104
105	$line = preg_replace( "/[\r\n\t].*?$/s", '', $line );
106	$line = preg_replace( '/[^\PC\s]/u', '', $line );
107	$target = preg_replace( "/[\r\n\t].*?$/s", '', $target );
108	$target = preg_replace( '/[^\PC\s]/u', '', $target );
109
110	return 'rewrite ' . $line . '$ ' . $target . ' ' . $code . ';';
111	}
112	}
113