redirection / database / schema / 240.php

240.php in Redirection 4.0, at database/schema/240.php

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1	<?php
2
3	/**
4	* There are several problems with 2.3.3 => 2.4 that this attempts to cope with:
5	* - some sites have a misconfigured IP column
6	* - some sites don't have any IP column
7	*/
8	class Red_Database_240 extends Red_Database_Upgrader {
9	public function get_stages() {
10	return [
11	'convert_int_ip_to_varchar_240' => 'Convert integer IP values to support IPv6',
12	'expand_log_ip_column_240' => 'Expand IP size in logs to support IPv6',
13	'convert_title_to_text_240' => 'Expand size of redirect titles',
14	'add_missing_index_240' => 'Add missing IP index to 404 logs',
15	];
16	}
17
18	private function has_ip_index( $wpdb ) {
19	$existing = $wpdb->get_row( "SHOW CREATE TABLE `{$wpdb->prefix}redirection_404`", ARRAY_N );
20
21	if ( isset( $existing[1] ) && strpos( strtolower( $existing[1] ), 'key `ip` (' ) !== false ) {
22	return true;
23	}
24
25	return false;
26	}
27
28	protected function has_varchar_ip( $wpdb ) {
29	$existing = $wpdb->get_row( "SHOW CREATE TABLE `{$wpdb->prefix}redirection_404`", ARRAY_N );
30
31	if ( isset( $existing[1] ) && strpos( strtolower( $existing[1] ), '`ip` varchar(45)' ) !== false ) {
32	return true;
33	}
34
35	return false;
36	}
37
38	protected function has_int_ip( $wpdb ) {
39	$existing = $wpdb->get_row( "SHOW CREATE TABLE `{$wpdb->prefix}redirection_404`", ARRAY_N );
40
41	if ( isset( $existing[1] ) && strpos( strtolower( $existing[1] ), '`ip` int' ) !== false ) {
42	return true;
43	}
44
45	return false;
46	}
47
48	protected function convert_int_ip_to_varchar_240( $wpdb ) {
49	if ( $this->has_int_ip( $wpdb ) ) {
50	$this->do_query( $wpdb, "ALTER TABLE `{$wpdb->prefix}redirection_404` ADD `ipaddress` VARCHAR(45) DEFAULT NULL AFTER `ip`" );
51	$this->do_query( $wpdb, "UPDATE {$wpdb->prefix}redirection_404 SET ipaddress=INET_NTOA(ip)" );
52	$this->do_query( $wpdb, "ALTER TABLE `{$wpdb->prefix}redirection_404` DROP `ip`" );
53	return $this->do_query( $wpdb, "ALTER TABLE `{$wpdb->prefix}redirection_404` CHANGE `ipaddress` `ip` VARCHAR(45) DEFAULT NULL" );
54	}
55
56	return true;
57	}
58
59	protected function expand_log_ip_column_240( $wpdb ) {
60	return $this->do_query( $wpdb, "ALTER TABLE `{$wpdb->prefix}redirection_logs` CHANGE `ip` `ip` VARCHAR(45) DEFAULT NULL" );
61	}
62
63	protected function add_missing_index_240( $wpdb ) {
64	if ( $this->has_ip_index( $wpdb ) ) {
65	// Remove index
66	$this->do_query( $wpdb, "ALTER TABLE `{$wpdb->prefix}redirection_404` DROP INDEX ip" );
67	}
68
69	// Ensure we have an IP column
70	$this->convert_int_ip_to_varchar_240( $wpdb );
71	if ( ! $this->has_varchar_ip( $wpdb ) ) {
72	$this->do_query( $wpdb, "ALTER TABLE `{$wpdb->prefix}redirection_404` ADD `ip` VARCHAR(45) DEFAULT NULL" );
73	}
74
75	// Finally add the index
76	return $this->do_query( $wpdb, "ALTER TABLE `{$wpdb->prefix}redirection_404` ADD INDEX `ip` (`ip`)" );
77	}
78
79	protected function convert_title_to_text_240( $wpdb ) {
80	return $this->do_query( $wpdb, "ALTER TABLE `{$wpdb->prefix}redirection_items` CHANGE `title` `title` text" );
81	}
82	}
83