redirection / database / schema / 240.php

240.php in Redirection 4.3, 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	$wpdb->hide_errors();
20	$existing = $wpdb->get_row( "SHOW CREATE TABLE `{$wpdb->prefix}redirection_404`", ARRAY_N );
21	$wpdb->show_errors();
22
23	if ( isset( $existing[1] ) && strpos( strtolower( $existing[1] ), 'key `ip` (' ) !== false ) {
24	return true;
25	}
26
27	return false;
28	}
29
30	protected function has_varchar_ip( $wpdb ) {
31	$wpdb->hide_errors();
32	$existing = $wpdb->get_row( "SHOW CREATE TABLE `{$wpdb->prefix}redirection_404`", ARRAY_N );
33	$wpdb->show_errors();
34
35	if ( isset( $existing[1] ) && strpos( strtolower( $existing[1] ), '`ip` varchar(45)' ) !== false ) {
36	return true;
37	}
38
39	return false;
40	}
41
42	protected function has_int_ip( $wpdb ) {
43	$wpdb->hide_errors();
44	$existing = $wpdb->get_row( "SHOW CREATE TABLE `{$wpdb->prefix}redirection_404`", ARRAY_N );
45	$wpdb->show_errors();
46
47	if ( isset( $existing[1] ) && strpos( strtolower( $existing[1] ), '`ip` int' ) !== false ) {
48	return true;
49	}
50
51	return false;
52	}
53
54	protected function convert_int_ip_to_varchar_240( $wpdb ) {
55	if ( $this->has_int_ip( $wpdb ) ) {
56	$this->do_query( $wpdb, "ALTER TABLE `{$wpdb->prefix}redirection_404` ADD `ipaddress` VARCHAR(45) DEFAULT NULL AFTER `ip`" );
57	$this->do_query( $wpdb, "UPDATE {$wpdb->prefix}redirection_404 SET ipaddress=INET_NTOA(ip)" );
58	$this->do_query( $wpdb, "ALTER TABLE `{$wpdb->prefix}redirection_404` DROP `ip`" );
59	return $this->do_query( $wpdb, "ALTER TABLE `{$wpdb->prefix}redirection_404` CHANGE `ipaddress` `ip` VARCHAR(45) DEFAULT NULL" );
60	}
61
62	return true;
63	}
64
65	protected function expand_log_ip_column_240( $wpdb ) {
66	return $this->do_query( $wpdb, "ALTER TABLE `{$wpdb->prefix}redirection_logs` CHANGE `ip` `ip` VARCHAR(45) DEFAULT NULL" );
67	}
68
69	protected function add_missing_index_240( $wpdb ) {
70	if ( $this->has_ip_index( $wpdb ) ) {
71	// Remove index
72	$this->do_query( $wpdb, "ALTER TABLE `{$wpdb->prefix}redirection_404` DROP INDEX ip" );
73	}
74
75	// Ensure we have an IP column
76	$this->convert_int_ip_to_varchar_240( $wpdb );
77	if ( ! $this->has_varchar_ip( $wpdb ) ) {
78	$this->do_query( $wpdb, "ALTER TABLE `{$wpdb->prefix}redirection_404` ADD `ip` VARCHAR(45) DEFAULT NULL" );
79	}
80
81	// Finally add the index
82	return $this->do_query( $wpdb, "ALTER TABLE `{$wpdb->prefix}redirection_404` ADD INDEX `ip` (`ip`)" );
83	}
84
85	protected function convert_title_to_text_240( $wpdb ) {
86	return $this->do_query( $wpdb, "ALTER TABLE `{$wpdb->prefix}redirection_items` CHANGE `title` `title` text" );
87	}
88	}
89