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Patchstack – WordPress & Plugins Security / 2.1.15
Patchstack – WordPress & Plugins Security v2.1.15
2.3.7 trunk 2.1.0 2.1.1 2.1.10 2.1.11 2.1.12 2.1.13 2.1.14 2.1.15 2.1.16 2.1.17 2.1.18 2.1.19 2.1.2 2.1.20 2.1.21 2.1.22 2.1.23 2.1.24 2.1.25 2.1.3 2.1.4 2.1.5 2.1.6 All 49 releases
← All changes | includes/rules.php +36 -76 trunk2.1.15 View file →
@@ -17,10 +17,11 @@
17 17 * @return void
18 18 */
19 19 public function __construct( $core ) {
20 20 parent::__construct( $core );
21 - add_action( 'patchstack_post_firewall_rules', [ $this, 'post_firewall_rules' ] );
22 - add_action( 'patchstack_post_dynamic_firewall_rules', [ $this, 'dynamic_firewall_rules' ] );
21 + add_action( 'patchstack_post_firewall_rules', array( $this, 'post_firewall_rules' ) );
22 + add_action( 'patchstack_post_firewall_htaccess_rules', array( $this, 'post_firewall_htaccess_rules' ) );
23 + add_action( 'patchstack_post_dynamic_firewall_rules', array( $this, 'dynamic_firewall_rules' ) );
23 24 }
24 25
25 26 /**
26 27 * Pull the hardening .htaccess rules from the API.
@@ -32,22 +33,15 @@
32 33 if ( $this->get_option( 'patchstack_license_free', 0 ) == 1 ) {
33 34 return;
34 35 }
35 36
36 - // Check if server is supported and if htaccess modifications are disabled.
37 - if ( get_site_option( 'patchstack_disable_htaccess', 0 ) || ( defined( 'PS_DISABLE_HTACCESS' ) && PS_DISABLE_HTACCESS ) ) {
38 - return;
39 - }
40 -
41 37 $rules = $this->plugin->htaccess->get_firewall_rule_settings();
42 38 $settings = json_encode( $rules );
43 - $results = $this->plugin->api->post_firewall_rule( [ 'settings' => $settings ] );
39 + $results = $this->plugin->api->post_firewall_rule( array( 'settings' => $settings ) );
44 40
45 - // If no rules returned (empty, or a status code/null from a failed request),
46 - // we assume all settings are turned off. Guard against assigning to a string
47 - // offset, which is a fatal error on PHP 7.1+.
48 - if ( ! is_array( $results ) ) {
49 - $results = [ 'rules' => '' ];
41 + // If no rules returned, we assume all settings are turned off.
42 + if ( empty( $results ) ) {
43 + $results['rules'] = '';
50 44 }
51 45
52 46 // We have rules so apply it to the .htaccess file.
53 47 if ( isset( $results['rules'] ) ) {
@@ -56,8 +50,32 @@
56 50 }
57 51 }
58 52
59 53 /**
54 + * Pull the firewall .htaccess rules from the API.
55 + * Then apply it to the .htaccess file after we create a backup.
56 + *
57 + * @return void
58 + */
59 + public function post_firewall_htaccess_rules() {
60 + if ( $this->get_option( 'patchstack_license_free', 0 ) == 1 ) {
61 + return;
62 + }
63 +
64 + $results = $this->plugin->api->post_firewall_htaccess_rule();
65 + $rules = ! isset( $results['rules'] ) || empty( $results ) ? '' : $results['rules'];
66 +
67 + // Check if we have to update anything at all.
68 + $hash = sha1( $rules );
69 + if ( get_option( 'patchstack_firewall_htaccess_hash', '' ) == $hash || ( get_option( 'patchstack_firewall_htaccess_hash', '' ) == '' && $rules == '' ) ) {
70 + return;
71 + }
72 +
73 + // We have rules so apply it to the .htaccess file.
74 + update_option( 'patchstack_firewall_htaccess_hash', $hash );
75 + }
76 +
77 + /**
60 78 * Pull the firewall/whitelist rules from the API.
61 79 *
62 80 * @return void
63 81 */
@@ -71,74 +89,16 @@
71 89 if ( ! isset( $results['firewall'] ) ) {
72 90 return;
73 91 }
74 92
75 - // Separate the new firewall engine rules from the old ones.
76 - $newRules = [];
77 - $newRulesAP = [];
78 - $oldRules = [];
79 -
80 - // Counters for displaying purposes on the API key page.
81 - $vPatchCount = 0;
82 - $ruleCount = 0;
83 -
84 - // Parse the rules.
85 - foreach ( $results['firewall'] as $rule ) {
86 - if ( isset( $rule['rule_v2'] ) ) {
87 - $rule['rules'] = $rule['rule_v2'];
88 - unset( $rule['rule_v2'] );
89 -
90 - // Mark vPatches based on substring.
91 - if ( stripos( $rule['title'], ' vulnerabilit' ) !== false && stripos( $rule['title'], 'block ' ) !== false ) {
92 - $vPatchCount++;
93 - } else {
94 - $ruleCount++;
95 - }
96 -
97 - // Differentiate between auto prepend rules and regular ones.
98 - if ( isset( $rule['ap'] ) && !empty( $rule['ap'] ) ) {
99 - $newRulesAP[] = $rule;
100 - } else {
101 - $newRules[] = $rule;
102 - }
103 - } else {
104 - $ruleCount++;
105 - $oldRules[] = $rule;
106 - }
107 - }
108 -
109 93 // Update firewall rules.
110 - update_option( 'patchstack_firewall_rules', json_encode( $oldRules ), true );
111 - update_option( 'patchstack_firewall_rules_v3', json_encode( $newRules ), true );
112 - update_option( 'patchstack_firewall_rules_v3_ap', json_encode( $newRulesAP ), true );
94 + update_option( 'patchstack_firewall_rules', json_encode( $results['firewall'] ) );
113 95
114 - // Update the counters.
115 - update_option( 'patchstack_vpatches_present', $vPatchCount );
116 - update_option( 'patchstack_non_vpatches_present', $ruleCount );
96 + // Update whitelist rules.
97 + update_option( 'patchstack_whitelist_rules', json_encode( $results['whitelists'] ) );
117 98
118 - // Separate the new firewall engine rules from the old ones. Only touch the
119 - // stored whitelists when the API actually returned them, otherwise a partial
120 - // response would wipe the existing whitelist rules.
121 - if ( isset( $results['whitelists'] ) && is_array( $results['whitelists'] ) ) {
122 - $newRules = [];
123 - $oldRules = [];
124 - foreach ( $results['whitelists'] as $rule ) {
125 - if ( isset( $rule['rule_v2'] ) ) {
126 - $rule['rules'] = $rule['rule_v2'];
127 - unset( $rule['rule_v2'] );
128 - $newRules[] = $rule;
129 - } else {
130 - $oldRules[] = $rule;
131 - }
132 - }
133 -
134 - // Update whitelist rules.
135 - update_option( 'patchstack_whitelist_rules', json_encode( $oldRules ), true );
136 - update_option( 'patchstack_whitelist_rules_v3', json_encode( $newRules ), true );
137 - }
138 -
139 - // Update the whitelisted keys.
99 + // Update secondary whitelist rules.
140 100 if ( isset( $results['whitelist_keys'] ) ) {
141 - update_option( 'patchstack_whitelist_keys_rules', json_encode( $results['whitelist_keys'] ), true );
101 + update_option( 'patchstack_whitelist_keys_rules', json_encode( $results['whitelist_keys'] ) );
142 102 }
143 103 }
144 104 }