Code Coverage |
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Lines |
Functions and Methods |
Classes and Traits |
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| Total | |
85.74% |
457 / 533 |
|
43.75% |
21 / 48 |
CRAP | |
0.00% |
0 / 1 |
| Scan | |
86.06% |
457 / 531 |
|
43.75% |
21 / 48 |
314.53 | |
0.00% |
0 / 1 |
| get_key | |
0.00% |
0 / 1 |
|
0.00% |
0 / 1 |
2 | |||
| get_state | |
81.48% |
22 / 27 |
|
0.00% |
0 / 1 |
3.06 | |||
| needs_credentials | |
100.00% |
1 / 1 |
|
100.00% |
1 / 1 |
1 | |||
| has_credentials | |
100.00% |
4 / 4 |
|
100.00% |
1 / 1 |
5 | |||
| get_upsell_variant | |
100.00% |
4 / 4 |
|
100.00% |
1 / 1 |
4 | |||
| register_routes | |
100.00% |
121 / 121 |
|
100.00% |
1 / 1 |
2 | |||
| allows_ignoring | |
100.00% |
1 / 1 |
|
100.00% |
1 / 1 |
1 | |||
| can_ignore_threats | |
75.00% |
3 / 4 |
|
0.00% |
0 / 1 |
3.14 | |||
| can_act_on_threats | |
80.00% |
4 / 5 |
|
0.00% |
0 / 1 |
3.07 | |||
| can_view_threat_files | |
100.00% |
1 / 1 |
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100.00% |
1 / 1 |
1 | |||
| can_act_on_threat_files | |
100.00% |
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1 / 1 |
2 | |||
| ignore_threat | |
0.00% |
0 / 1 |
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0 / 1 |
2 | |||
| unignore_threat | |
100.00% |
1 / 1 |
|
100.00% |
1 / 1 |
1 | |||
| set_ignored | |
77.78% |
7 / 9 |
|
0.00% |
0 / 1 |
6.40 | |||
| get_ignored_threats | |
90.91% |
10 / 11 |
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0.00% |
0 / 1 |
2.00 | |||
| get_threat_file | |
95.65% |
22 / 23 |
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0.00% |
0 / 1 |
6 | |||
| delete_threat_file | |
92.31% |
12 / 13 |
|
0.00% |
0 / 1 |
5.01 | |||
| restore_threat_file | |
53.85% |
7 / 13 |
|
0.00% |
0 / 1 |
7.46 | |||
| resolve_file_threat | |
100.00% |
7 / 7 |
|
100.00% |
1 / 1 |
3 | |||
| get_other_threats_in_file | |
93.75% |
15 / 16 |
|
0.00% |
0 / 1 |
9.02 | |||
| history_unavailable | |
100.00% |
1 / 1 |
|
100.00% |
1 / 1 |
1 | |||
| is_other_threat_in_file | |
100.00% |
1 / 1 |
|
100.00% |
1 / 1 |
5 | |||
| resolve_file_to_change | |
87.50% |
7 / 8 |
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0.00% |
0 / 1 |
5.05 | |||
| resolve_threat_file | |
100.00% |
5 / 5 |
|
100.00% |
1 / 1 |
5 | |||
| get_stored_report | |
75.00% |
3 / 4 |
|
0.00% |
0 / 1 |
3.14 | |||
| find_threat | |
92.86% |
13 / 14 |
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0.00% |
0 / 1 |
8.02 | |||
| locate_threat_file | |
100.00% |
15 / 15 |
|
100.00% |
1 / 1 |
11 | |||
| get_site_roots | |
100.00% |
1 / 1 |
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100.00% |
1 / 1 |
1 | |||
| get_site_root | |
75.00% |
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0.00% |
0 / 1 |
3.14 | |||
| get_site_relative_path | |
100.00% |
2 / 2 |
|
100.00% |
1 / 1 |
2 | |||
| get_history_threats | |
100.00% |
12 / 12 |
|
100.00% |
1 / 1 |
3 | |||
| get_scan_history | |
85.00% |
17 / 20 |
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0.00% |
0 / 1 |
7.17 | |||
| delete_software | |
100.00% |
19 / 19 |
|
100.00% |
1 / 1 |
9 | |||
| get_threat_row | |
90.00% |
9 / 10 |
|
0.00% |
0 / 1 |
5.03 | |||
| delete_threat_row | |
66.67% |
6 / 9 |
|
0.00% |
0 / 1 |
4.59 | |||
| find_threat_row | |
95.45% |
21 / 22 |
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0.00% |
0 / 1 |
9 | |||
| get_deletable_option | |
100.00% |
9 / 9 |
|
100.00% |
1 / 1 |
8 | |||
| can_write_files | |
100.00% |
6 / 6 |
|
100.00% |
1 / 1 |
2 | |||
| fix_threat | |
0.00% |
0 / 9 |
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0 / 1 |
12 | |||
| get_fix_status | |
0.00% |
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0.00% |
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20 | |||
| get_threat_fix_status | |
100.00% |
5 / 5 |
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100.00% |
1 / 1 |
2 | |||
| alerts_request | |
89.47% |
17 / 19 |
|
0.00% |
0 / 1 |
8.07 | |||
| get_scan | |
0.00% |
0 / 1 |
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2 | |||
| start_scan | |
0.00% |
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0.00% |
0 / 1 |
30 | |||
| get_enqueue_error | |
100.00% |
11 / 11 |
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100.00% |
1 / 1 |
8 | |||
| claim_request_lock | |
83.33% |
5 / 6 |
|
0.00% |
0 / 1 |
3.04 | |||
| release_request_lock | |
66.67% |
2 / 3 |
|
0.00% |
0 / 1 |
2.15 | |||
| get_scan_report | |
88.00% |
22 / 25 |
|
0.00% |
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12.25 | |||
| 1 | <?php |
| 2 | /** |
| 3 | * Protect dashboard: the Scan section. |
| 4 | * |
| 5 | * @package automattic/jetpack-protect |
| 6 | */ |
| 7 | |
| 8 | namespace Automattic\Jetpack\Protect\Sections; |
| 9 | |
| 10 | use Automattic\Jetpack\Connection\Client; |
| 11 | use Automattic\Jetpack\Protect\Dashboard; |
| 12 | use Automattic\Jetpack\Protect\Dashboard_Section; |
| 13 | use Automattic\Jetpack\Protect\Dashboard_Threats; |
| 14 | use Automattic\Jetpack\Protect\Protected_Options; |
| 15 | use Automattic\Jetpack\Protect\Threat_File; |
| 16 | use Automattic\Jetpack\Protect_Status\Protect_Status; |
| 17 | use Automattic\Jetpack\Protect_Status\Scan_Status; |
| 18 | use Automattic\Jetpack\Protect_Status\Status; |
| 19 | use Automattic\Jetpack\Redirect; |
| 20 | use Automattic\Jetpack\Status\Host; |
| 21 | use Jetpack_Options; |
| 22 | use WP_Error; |
| 23 | use WP_REST_Request; |
| 24 | use WP_REST_Server; |
| 25 | |
| 26 | if ( ! defined( 'ABSPATH' ) ) { |
| 27 | exit( 0 ); |
| 28 | } |
| 29 | |
| 30 | /** |
| 31 | * Vulnerability results, from Scan on a paid plan or Protect's free daily check, and on-demand scans. |
| 32 | * |
| 33 | * @since 0.1.0 |
| 34 | */ |
| 35 | class Scan implements Dashboard_Section { |
| 36 | |
| 37 | /** |
| 38 | * Scan statuses that mean a scan is still running, as the Protect plugin reads them. |
| 39 | * |
| 40 | * @var string[] |
| 41 | */ |
| 42 | const SCANNING_STATUSES = array( 'provisioning', 'scheduled', 'scanning' ); |
| 43 | |
| 44 | /** |
| 45 | * How many copy variants the free-plan upsell tests. |
| 46 | * |
| 47 | * @var int |
| 48 | */ |
| 49 | const UPSELL_VARIANTS = 8; |
| 50 | |
| 51 | /** |
| 52 | * Statuses that mean the first scan has not run yet when there is no report date. |
| 53 | * |
| 54 | * @var string[] |
| 55 | */ |
| 56 | const INITIALIZING_STATUSES = array( 'idle', 'unavailable' ); |
| 57 | |
| 58 | /** |
| 59 | * Lock held for a minute after a scan request, so repeated requests don't stack. |
| 60 | * |
| 61 | * @var string |
| 62 | */ |
| 63 | const REQUEST_LOCK = 'jetpack_protect_dashboard_scan_requested'; |
| 64 | |
| 65 | /** |
| 66 | * Fixer statuses that mean a fix has finished, one way or the other. |
| 67 | * |
| 68 | * @var string[] |
| 69 | */ |
| 70 | const FIX_DONE_STATUSES = array( 'fixed', 'not_fixed' ); |
| 71 | |
| 72 | /** |
| 73 | * Transient caching Scan history, which is slow to fetch; the ignored list and the History tab share it. |
| 74 | * |
| 75 | * @var string |
| 76 | */ |
| 77 | const HISTORY_CACHE = 'jetpack_protect_dashboard_scan_history'; |
| 78 | |
| 79 | /** |
| 80 | * How many characters of each column a threat's database row shows. |
| 81 | * |
| 82 | * @var int |
| 83 | */ |
| 84 | const ROW_VALUE_LIMIT = 2000; |
| 85 | |
| 86 | /** |
| 87 | * The largest file the dashboard shows in full, in bytes. |
| 88 | * |
| 89 | * @var int |
| 90 | */ |
| 91 | const MAX_FILE_BYTES = 512 * KB_IN_BYTES; |
| 92 | |
| 93 | /** |
| 94 | * The section key. |
| 95 | * |
| 96 | * @return string |
| 97 | */ |
| 98 | public function get_key() { |
| 99 | return 'scan'; |
| 100 | } |
| 101 | |
| 102 | /** |
| 103 | * The plan, where to set Scan's server credentials or buy Scan, and the latest report. |
| 104 | * |
| 105 | * @return array |
| 106 | */ |
| 107 | public function get_state() { |
| 108 | $has_plan = Dashboard::has_scan_plan(); |
| 109 | // Fetched first: has_credentials() reads the report this caches. |
| 110 | $report = self::get_scan_report( $has_plan ); |
| 111 | |
| 112 | if ( ! $has_plan ) { |
| 113 | $plan_state = array( |
| 114 | 'url' => Dashboard::get_scan_upgrade_url(), |
| 115 | 'upsellVariant' => self::get_upsell_variant(), |
| 116 | 'upsellVariantForced' => (bool) has_filter( 'jetpack_protect_dashboard_scan_upsell_variant' ), |
| 117 | ); |
| 118 | } elseif ( self::needs_credentials() ) { |
| 119 | $plan_state = array( |
| 120 | 'url' => Redirect::get_url( 'jetpack-settings-security-credentials' ), |
| 121 | 'needsCredentials' => true, |
| 122 | 'hasCredentials' => self::has_credentials(), |
| 123 | ); |
| 124 | } else { |
| 125 | $plan_state = array( |
| 126 | 'url' => '', |
| 127 | 'needsCredentials' => false, |
| 128 | ); |
| 129 | } |
| 130 | |
| 131 | return array_merge( |
| 132 | array( |
| 133 | 'hasPlan' => $has_plan, |
| 134 | 'canIgnore' => self::allows_ignoring(), |
| 135 | 'canViewFiles' => self::can_view_threat_files(), |
| 136 | ), |
| 137 | $plan_state, |
| 138 | $report |
| 139 | ); |
| 140 | } |
| 141 | |
| 142 | /** |
| 143 | * Whether Scan needs server credentials to auto-fix threats; not on WoA, where WordPress.com auto-fixes without them. |
| 144 | * |
| 145 | * @return bool |
| 146 | */ |
| 147 | private static function needs_credentials() { |
| 148 | return ! ( new Host() )->is_woa_site(); |
| 149 | } |
| 150 | |
| 151 | /** |
| 152 | * Whether Scan has the server credentials it needs to auto-fix threats, from the cached Scan report. |
| 153 | * |
| 154 | * @return bool|null Null when there's no report to say. |
| 155 | */ |
| 156 | private static function has_credentials() { |
| 157 | $report = class_exists( Scan_Status::class ) ? Scan_Status::get_from_options() : null; |
| 158 | if ( ! is_object( $report ) || ! isset( $report->credentials ) || ! is_array( $report->credentials ) ) { |
| 159 | return null; |
| 160 | } |
| 161 | return ! empty( $report->credentials ); |
| 162 | } |
| 163 | |
| 164 | /** |
| 165 | * Where this site's upsell copy rotation starts, spread across sites by blog ID. |
| 166 | * |
| 167 | * @return int From 1 to UPSELL_VARIANTS. |
| 168 | */ |
| 169 | public static function get_upsell_variant() { |
| 170 | $blog_id = (int) Jetpack_Options::get_option( 'id' ); |
| 171 | $variant = $blog_id > 0 ? ( $blog_id % self::UPSELL_VARIANTS ) + 1 : 1; |
| 172 | |
| 173 | /** |
| 174 | * Filters which free-plan Scan upsell copy the Protect dashboard shows; a filtered one isn't rotated. |
| 175 | * |
| 176 | * @since 0.3.0 |
| 177 | * |
| 178 | * @param int $variant From 1 to 8. |
| 179 | */ |
| 180 | $variant = (int) apply_filters( 'jetpack_protect_dashboard_scan_upsell_variant', $variant ); |
| 181 | |
| 182 | return $variant >= 1 && $variant <= self::UPSELL_VARIANTS ? $variant : 1; |
| 183 | } |
| 184 | |
| 185 | /** |
| 186 | * Register `jetpack/v4/protect-dashboard/scan`. |
| 187 | * |
| 188 | * @return void |
| 189 | */ |
| 190 | public function register_routes() { |
| 191 | register_rest_route( |
| 192 | 'jetpack/v4', |
| 193 | '/protect-dashboard/scan', |
| 194 | array( |
| 195 | array( |
| 196 | 'methods' => WP_REST_Server::READABLE, |
| 197 | 'callback' => array( __CLASS__, 'get_scan' ), |
| 198 | 'permission_callback' => array( Dashboard::class, 'can_manage' ), |
| 199 | ), |
| 200 | array( |
| 201 | 'methods' => WP_REST_Server::CREATABLE, |
| 202 | 'callback' => array( __CLASS__, 'start_scan' ), |
| 203 | 'permission_callback' => array( Dashboard::class, 'can_manage' ), |
| 204 | ), |
| 205 | ) |
| 206 | ); |
| 207 | |
| 208 | register_rest_route( |
| 209 | 'jetpack/v4', |
| 210 | '/protect-dashboard/scan/threats/(?P<id>\d+)/ignore', |
| 211 | array( |
| 212 | 'methods' => WP_REST_Server::CREATABLE, |
| 213 | 'callback' => array( __CLASS__, 'ignore_threat' ), |
| 214 | 'permission_callback' => array( __CLASS__, 'can_ignore_threats' ), |
| 215 | ) |
| 216 | ); |
| 217 | |
| 218 | register_rest_route( |
| 219 | 'jetpack/v4', |
| 220 | '/protect-dashboard/scan/threats/(?P<id>\d+)/unignore', |
| 221 | array( |
| 222 | 'methods' => WP_REST_Server::CREATABLE, |
| 223 | 'callback' => array( __CLASS__, 'unignore_threat' ), |
| 224 | 'permission_callback' => array( __CLASS__, 'can_act_on_threats' ), |
| 225 | ) |
| 226 | ); |
| 227 | |
| 228 | register_rest_route( |
| 229 | 'jetpack/v4', |
| 230 | '/protect-dashboard/scan/threats/(?P<id>\d+)/file', |
| 231 | array( |
| 232 | 'methods' => WP_REST_Server::READABLE, |
| 233 | 'callback' => array( __CLASS__, 'get_threat_file' ), |
| 234 | 'permission_callback' => array( __CLASS__, 'can_act_on_threat_files' ), |
| 235 | ) |
| 236 | ); |
| 237 | |
| 238 | foreach ( array( 'delete', 'restore' ) as $action ) { |
| 239 | register_rest_route( |
| 240 | 'jetpack/v4', |
| 241 | "/protect-dashboard/scan/threats/(?P<id>\\d+)/file/$action", |
| 242 | array( |
| 243 | 'methods' => WP_REST_Server::CREATABLE, |
| 244 | 'callback' => array( __CLASS__, "{$action}_threat_file" ), |
| 245 | 'permission_callback' => array( __CLASS__, 'can_act_on_threat_files' ), |
| 246 | 'args' => array( |
| 247 | 'hash' => array( |
| 248 | 'description' => __( 'The SHA-256 hash of the file as the viewer showed it.', 'jetpack-protect-pkg' ), |
| 249 | 'type' => 'string', |
| 250 | 'required' => true, |
| 251 | ), |
| 252 | ), |
| 253 | ) |
| 254 | ); |
| 255 | } |
| 256 | |
| 257 | register_rest_route( |
| 258 | 'jetpack/v4', |
| 259 | '/protect-dashboard/scan/ignored', |
| 260 | array( |
| 261 | 'methods' => WP_REST_Server::READABLE, |
| 262 | 'callback' => array( __CLASS__, 'get_ignored_threats' ), |
| 263 | 'permission_callback' => array( __CLASS__, 'can_act_on_threats' ), |
| 264 | ) |
| 265 | ); |
| 266 | |
| 267 | register_rest_route( |
| 268 | 'jetpack/v4', |
| 269 | '/protect-dashboard/scan/software/delete', |
| 270 | array( |
| 271 | 'methods' => WP_REST_Server::CREATABLE, |
| 272 | 'callback' => array( __CLASS__, 'delete_software' ), |
| 273 | 'permission_callback' => array( Dashboard::class, 'can_manage' ), |
| 274 | 'args' => array( |
| 275 | 'type' => array( |
| 276 | 'type' => 'string', |
| 277 | 'enum' => array( 'plugins', 'themes' ), |
| 278 | 'required' => true, |
| 279 | ), |
| 280 | 'slug' => array( |
| 281 | 'type' => 'string', |
| 282 | 'required' => true, |
| 283 | ), |
| 284 | ), |
| 285 | ) |
| 286 | ); |
| 287 | |
| 288 | register_rest_route( |
| 289 | 'jetpack/v4', |
| 290 | '/protect-dashboard/scan/threats/(?P<id>\d+)/row', |
| 291 | array( |
| 292 | array( |
| 293 | 'methods' => WP_REST_Server::READABLE, |
| 294 | 'callback' => array( __CLASS__, 'get_threat_row' ), |
| 295 | 'permission_callback' => array( __CLASS__, 'can_act_on_threats' ), |
| 296 | ), |
| 297 | array( |
| 298 | 'methods' => WP_REST_Server::DELETABLE, |
| 299 | 'callback' => array( __CLASS__, 'delete_threat_row' ), |
| 300 | 'permission_callback' => array( __CLASS__, 'can_act_on_threats' ), |
| 301 | ), |
| 302 | ) |
| 303 | ); |
| 304 | |
| 305 | register_rest_route( |
| 306 | 'jetpack/v4', |
| 307 | '/protect-dashboard/scan/threats/(?P<id>\d+)/fix', |
| 308 | array( |
| 309 | array( |
| 310 | 'methods' => WP_REST_Server::READABLE, |
| 311 | 'callback' => array( __CLASS__, 'get_fix_status' ), |
| 312 | 'permission_callback' => array( __CLASS__, 'can_act_on_threats' ), |
| 313 | ), |
| 314 | array( |
| 315 | 'methods' => WP_REST_Server::CREATABLE, |
| 316 | 'callback' => array( __CLASS__, 'fix_threat' ), |
| 317 | 'permission_callback' => array( __CLASS__, 'can_act_on_threats' ), |
| 318 | ), |
| 319 | ) |
| 320 | ); |
| 321 | } |
| 322 | |
| 323 | /** |
| 324 | * Whether the host lets site owners ignore threats. |
| 325 | * |
| 326 | * @since 0.4.0 |
| 327 | * |
| 328 | * @return bool |
| 329 | */ |
| 330 | public static function allows_ignoring() { |
| 331 | /** |
| 332 | * Filters whether site owners can ignore threats; they can still unignore them. Hosts that fix threats themselves can turn this off. |
| 333 | * |
| 334 | * @since 0.4.0 |
| 335 | * |
| 336 | * @param bool $allowed Whether threats can be ignored. Default true. |
| 337 | */ |
| 338 | return (bool) apply_filters( 'jetpack_protect_threat_ignoring_enabled', true ); |
| 339 | } |
| 340 | |
| 341 | /** |
| 342 | * Ignoring needs everything acting on a threat does, and a host that allows it. |
| 343 | * |
| 344 | * @return bool|WP_Error |
| 345 | */ |
| 346 | public static function can_ignore_threats() { |
| 347 | $allowed = self::can_act_on_threats(); |
| 348 | if ( true !== $allowed || self::allows_ignoring() ) { |
| 349 | return $allowed; |
| 350 | } |
| 351 | return new WP_Error( 'threat_ignoring_disabled', __( 'Threats can’t be ignored on this site.', 'jetpack-protect-pkg' ), array( 'status' => 403 ) ); |
| 352 | } |
| 353 | |
| 354 | /** |
| 355 | * Only Scan can fix or ignore threats; the free vulnerability check can't. |
| 356 | * |
| 357 | * @return bool|WP_Error |
| 358 | */ |
| 359 | public static function can_act_on_threats() { |
| 360 | if ( ! Dashboard::can_manage() ) { |
| 361 | return false; |
| 362 | } |
| 363 | if ( ! Dashboard::has_scan_plan() ) { |
| 364 | return new WP_Error( 'scan_plan_required', __( 'Fixing and ignoring threats needs Jetpack Scan.', 'jetpack-protect-pkg' ), array( 'status' => 403 ) ); |
| 365 | } |
| 366 | return true; |
| 367 | } |
| 368 | |
| 369 | /** |
| 370 | * Whether the user may see and edit the site's code, as WordPress's plugin file editor requires. |
| 371 | * |
| 372 | * Core refuses `edit_plugins` under DISALLOW_FILE_EDIT or DISALLOW_FILE_MODS, and on multisite to all but network admins. |
| 373 | * |
| 374 | * @return bool |
| 375 | */ |
| 376 | public static function can_view_threat_files() { |
| 377 | return current_user_can( 'edit_plugins' ); |
| 378 | } |
| 379 | |
| 380 | /** |
| 381 | * Whether the user may view, delete or restore a threat's file. |
| 382 | * |
| 383 | * @return bool|WP_Error |
| 384 | */ |
| 385 | public static function can_act_on_threat_files() { |
| 386 | if ( ! self::can_view_threat_files() ) { |
| 387 | return false; |
| 388 | } |
| 389 | return self::can_act_on_threats(); |
| 390 | } |
| 391 | |
| 392 | /** |
| 393 | * Ignore a threat; the client moves it to its ignored list. |
| 394 | * |
| 395 | * @param WP_REST_Request $request The request, with the threat `id`. |
| 396 | * @return array|WP_Error |
| 397 | */ |
| 398 | public static function ignore_threat( WP_REST_Request $request ) { |
| 399 | return self::set_ignored( (int) $request['id'], true ); |
| 400 | } |
| 401 | |
| 402 | /** |
| 403 | * Report an ignored threat again; the client moves it back to its active list. |
| 404 | * |
| 405 | * @param WP_REST_Request $request The request, with the threat `id`. |
| 406 | * @return array|WP_Error |
| 407 | */ |
| 408 | public static function unignore_threat( WP_REST_Request $request ) { |
| 409 | return self::set_ignored( (int) $request['id'], false ); |
| 410 | } |
| 411 | |
| 412 | /** |
| 413 | * Ignore or unignore a threat, and drop the caches that list it. |
| 414 | * |
| 415 | * @param int $id The threat id. |
| 416 | * @param bool $ignore True to ignore, false to unignore. |
| 417 | * @return array|WP_Error |
| 418 | */ |
| 419 | private static function set_ignored( $id, $ignore ) { |
| 420 | $response = self::alerts_request( '/' . $id, 'POST', array( $ignore ? 'ignore' : 'unignore' => true ) ); |
| 421 | |
| 422 | // A request left unanswered, such as one that timed out, may still have gone through on WordPress.com. |
| 423 | if ( ! is_wp_error( $response ) || 'alerts_request_unanswered' === $response->get_error_code() ) { |
| 424 | Scan_Status::delete_option(); |
| 425 | delete_transient( self::HISTORY_CACHE ); |
| 426 | } |
| 427 | if ( is_wp_error( $response ) ) { |
| 428 | return $ignore |
| 429 | ? new WP_Error( 'threat_not_ignored', __( 'The threat couldn’t be ignored. Try again in a few minutes.', 'jetpack-protect-pkg' ), array( 'status' => 502 ) ) |
| 430 | : new WP_Error( 'threat_not_unignored', __( 'The threat couldn’t be unignored. Try again in a few minutes.', 'jetpack-protect-pkg' ), array( 'status' => 502 ) ); |
| 431 | } |
| 432 | |
| 433 | return array( 'ok' => true ); |
| 434 | } |
| 435 | |
| 436 | /** |
| 437 | * Threats the site has ignored, from Scan history. |
| 438 | * |
| 439 | * @return array|WP_Error |
| 440 | */ |
| 441 | public static function get_ignored_threats() { |
| 442 | $history = self::get_history_threats(); |
| 443 | if ( is_wp_error( $history ) ) { |
| 444 | return new WP_Error( 'ignored_unavailable', __( 'Ignored threats are unavailable right now.', 'jetpack-protect-pkg' ), array( 'status' => 502 ) ); |
| 445 | } |
| 446 | return array_values( |
| 447 | array_filter( |
| 448 | $history, |
| 449 | function ( $threat ) { |
| 450 | return 'ignored' === $threat['status']; |
| 451 | } |
| 452 | ) |
| 453 | ); |
| 454 | } |
| 455 | |
| 456 | /** |
| 457 | * The whole file a threat was found in, looked up by threat so the client can't name a path. |
| 458 | * |
| 459 | * @param WP_REST_Request $request The request, with the threat `id`. |
| 460 | * @return array|WP_Error The file's site-relative `path`, `modified` time, `owner`, what can be done with it, whether the site `loaded` it, and its `contents` and their `hash`. |
| 461 | */ |
| 462 | public static function get_threat_file( WP_REST_Request $request ) { |
| 463 | $path = self::resolve_threat_file( self::find_threat( (int) $request['id'] ) ); |
| 464 | if ( is_wp_error( $path ) ) { |
| 465 | return $path; |
| 466 | } |
| 467 | if ( filesize( $path ) > self::MAX_FILE_BYTES ) { |
| 468 | return new WP_Error( 'threat_file_too_large', __( 'This file is too large to show here.', 'jetpack-protect-pkg' ), array( 'status' => 413 ) ); |
| 469 | } |
| 470 | |
| 471 | $contents = file_get_contents( $path ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents -- A local file. |
| 472 | if ( false === $contents ) { |
| 473 | return new WP_Error( 'threat_file_unreadable', __( 'This file couldn’t be read.', 'jetpack-protect-pkg' ), array( 'status' => 500 ) ); |
| 474 | } |
| 475 | if ( false !== strpos( $contents, "\0" ) ) { |
| 476 | return new WP_Error( 'threat_file_binary', __( 'This is a binary file, so it can’t be shown here.', 'jetpack-protect-pkg' ), array( 'status' => 415 ) ); |
| 477 | } |
| 478 | |
| 479 | $modified = filemtime( $path ); |
| 480 | $owner = Threat_File::get_owner( $path ); |
| 481 | return array( |
| 482 | 'path' => self::get_site_relative_path( $path ), |
| 483 | 'modified' => $modified ? gmdate( 'c', $modified ) : null, |
| 484 | 'owner' => $owner, |
| 485 | 'inUploads' => Threat_File::is_code_in_uploads( $path ), |
| 486 | 'canDelete' => Threat_File::can_delete( $path, $owner ), |
| 487 | 'canRestore' => Threat_File::can_restore( $path, $owner ), |
| 488 | 'loaded' => Threat_File::is_loaded_stray( $path, $owner ), |
| 489 | 'hash' => hash( 'sha256', $contents ), |
| 490 | // JSON can't carry invalid UTF-8, which obfuscated code often has. |
| 491 | 'contents' => wp_scrub_utf8( $contents ), |
| 492 | ); |
| 493 | } |
| 494 | |
| 495 | /** |
| 496 | * Delete a stray file a threat was found in, and mark the threat fixed. |
| 497 | * |
| 498 | * @param WP_REST_Request $request The request, with the threat `id`. |
| 499 | * @return array|WP_Error The fixed `threat`. |
| 500 | */ |
| 501 | public static function delete_threat_file( WP_REST_Request $request ) { |
| 502 | $threat = self::find_threat( (int) $request['id'] ); |
| 503 | // Before the hash check, since it can wait on WordPress.com. |
| 504 | $siblings = self::get_other_threats_in_file( $threat ); |
| 505 | $path = self::resolve_file_to_change( $threat, (string) $request['hash'] ); |
| 506 | if ( is_wp_error( $path ) ) { |
| 507 | return $path; |
| 508 | } |
| 509 | if ( is_wp_error( $siblings ) ) { |
| 510 | return $siblings; |
| 511 | } |
| 512 | if ( ! Threat_File::can_delete( $path, Threat_File::get_owner( $path ) ) ) { |
| 513 | return new WP_Error( 'threat_file_not_deletable', __( 'This file belongs to WordPress, a plugin or a theme, or WordPress is using it, so it can’t be deleted here.', 'jetpack-protect-pkg' ), array( 'status' => 403 ) ); |
| 514 | } |
| 515 | |
| 516 | $deleted = Threat_File::delete( $path ); |
| 517 | if ( is_wp_error( $deleted ) ) { |
| 518 | return $deleted; |
| 519 | } |
| 520 | return self::resolve_file_threat( $threat, $siblings ); |
| 521 | } |
| 522 | |
| 523 | /** |
| 524 | * Put a modified WordPress core file back as WordPress.org ships it, and mark the threat fixed. |
| 525 | * |
| 526 | * @param WP_REST_Request $request The request, with the threat `id`. |
| 527 | * @return array|WP_Error The fixed `threat`. |
| 528 | */ |
| 529 | public static function restore_threat_file( WP_REST_Request $request ) { |
| 530 | $threat = self::find_threat( (int) $request['id'] ); |
| 531 | $siblings = self::get_other_threats_in_file( $threat ); |
| 532 | $path = self::resolve_file_to_change( $threat, (string) $request['hash'] ); |
| 533 | if ( is_wp_error( $path ) ) { |
| 534 | return $path; |
| 535 | } |
| 536 | if ( is_wp_error( $siblings ) ) { |
| 537 | return $siblings; |
| 538 | } |
| 539 | if ( ! Threat_File::can_restore( $path, Threat_File::get_owner( $path ) ) ) { |
| 540 | return new WP_Error( 'threat_file_not_restorable', __( 'Only a changed WordPress core file can be restored.', 'jetpack-protect-pkg' ), array( 'status' => 403 ) ); |
| 541 | } |
| 542 | $restored = Threat_File::restore( $path ); |
| 543 | if ( is_wp_error( $restored ) ) { |
| 544 | return $restored; |
| 545 | } |
| 546 | return self::resolve_file_threat( $threat, $siblings ); |
| 547 | } |
| 548 | |
| 549 | /** |
| 550 | * Mark a threat, and the others in its file, fixed now the file was deleted or restored, since Scan only notices on its next scan. |
| 551 | * |
| 552 | * @param object|array $threat The threat, from find_threat(). |
| 553 | * @param array $siblings The file's other open threats, from get_other_threats_in_file(). |
| 554 | * @return array The fixed `threat`, and the ids of the `others` fixed with it. |
| 555 | */ |
| 556 | private static function resolve_file_threat( $threat, $siblings = array() ) { |
| 557 | $others = array(); |
| 558 | foreach ( $siblings as $sibling ) { |
| 559 | $others[] = Dashboard_Threats::resolve( $sibling )['id']; |
| 560 | } |
| 561 | return array( |
| 562 | 'threat' => Dashboard_Threats::resolve( is_array( $threat ) ? $threat : Dashboard_Threats::format( $threat ) ), |
| 563 | 'others' => $others, |
| 564 | ); |
| 565 | } |
| 566 | |
| 567 | /** |
| 568 | * The other open or ignored threats Scan found in the same file as a threat. |
| 569 | * |
| 570 | * @param object|array|WP_Error|null $threat The threat acted on, from find_threat(). |
| 571 | * @return array[]|WP_Error The threats, formatted; an error when history is unavailable, so ignored ones aren't left behind. |
| 572 | */ |
| 573 | private static function get_other_threats_in_file( $threat ) { |
| 574 | $path = self::resolve_threat_file( $threat ); |
| 575 | if ( is_wp_error( $path ) ) { |
| 576 | return array(); |
| 577 | } |
| 578 | $id = (string) ( is_array( $threat ) ? $threat['id'] : $threat->id ); |
| 579 | $status = self::get_stored_report(); |
| 580 | $others = array(); |
| 581 | foreach ( Dashboard_Threats::without_resolved( $status->threats ?? array(), Dashboard_Threats::get_scanned_at( $status ) ) as $current ) { |
| 582 | if ( self::is_other_threat_in_file( $current->id ?? null, $current->filename ?? null, $id, $path, $others ) ) { |
| 583 | $others[ (string) $current->id ] = Dashboard_Threats::format( $current ); |
| 584 | } |
| 585 | } |
| 586 | $history = self::get_history_threats(); |
| 587 | if ( ! is_array( $history ) ) { |
| 588 | return self::history_unavailable(); |
| 589 | } |
| 590 | foreach ( $history as $past ) { |
| 591 | if ( 'ignored' === ( $past['status'] ?? null ) && self::is_other_threat_in_file( $past['id'] ?? null, $past['filename'] ?? null, $id, $path, $others ) ) { |
| 592 | $others[ (string) $past['id'] ] = $past; |
| 593 | } |
| 594 | } |
| 595 | return array_values( $others ); |
| 596 | } |
| 597 | |
| 598 | /** |
| 599 | * The error for a request that needs Scan history when WordPress.com can't be reached. |
| 600 | * |
| 601 | * @return WP_Error |
| 602 | */ |
| 603 | private static function history_unavailable() { |
| 604 | return new WP_Error( 'threat_history_unavailable', __( 'Jetpack couldn’t look this threat up on WordPress.com. Try again in a few minutes.', 'jetpack-protect-pkg' ), array( 'status' => 502 ) ); |
| 605 | } |
| 606 | |
| 607 | /** |
| 608 | * Whether a threat is another one, not yet collected, found in the file at a path. |
| 609 | * |
| 610 | * @param mixed $id The threat's id. |
| 611 | * @param string|null $filename The path as Scan names it. |
| 612 | * @param string $acted_on The id of the threat acted on. |
| 613 | * @param string $path The file's real path. |
| 614 | * @param array $found The threats collected so far, keyed by id. |
| 615 | * @return bool |
| 616 | */ |
| 617 | private static function is_other_threat_in_file( $id, $filename, $acted_on, $path, $found ) { |
| 618 | return null !== $id && (string) $id !== $acted_on && ! isset( $found[ (string) $id ] ) && $filename && self::locate_threat_file( $filename ) === $path; |
| 619 | } |
| 620 | |
| 621 | /** |
| 622 | * The file to delete or restore, refused once the threat is fixed or the file changed since the viewer showed it. |
| 623 | * |
| 624 | * @param object|array|WP_Error|null $threat The threat, from find_threat(). |
| 625 | * @param string $hash The SHA-256 hash of the contents shown. |
| 626 | * @return string|WP_Error The file's real path. |
| 627 | */ |
| 628 | private static function resolve_file_to_change( $threat, $hash ) { |
| 629 | // History lists fixed threats too, whose file may be a clean one by now. |
| 630 | if ( is_array( $threat ) && 'ignored' !== ( $threat['status'] ?? null ) ) { |
| 631 | return new WP_Error( 'threat_not_open', __( 'This threat is already fixed.', 'jetpack-protect-pkg' ), array( 'status' => 409 ) ); |
| 632 | } |
| 633 | $path = self::resolve_threat_file( $threat ); |
| 634 | if ( is_wp_error( $path ) ) { |
| 635 | return $path; |
| 636 | } |
| 637 | if ( ! hash_equals( (string) hash_file( 'sha256', $path ), $hash ) ) { |
| 638 | return new WP_Error( 'threat_file_changed', __( 'This file changed since you opened it, so nothing was done. Open it again to see what’s in it now.', 'jetpack-protect-pkg' ), array( 'status' => 409 ) ); |
| 639 | } |
| 640 | return $path; |
| 641 | } |
| 642 | |
| 643 | /** |
| 644 | * The real path of the file a threat was found in. |
| 645 | * |
| 646 | * @param object|array|WP_Error|null $threat The threat, from find_threat(). |
| 647 | * @return string|WP_Error |
| 648 | */ |
| 649 | private static function resolve_threat_file( $threat ) { |
| 650 | if ( is_wp_error( $threat ) ) { |
| 651 | return $threat; |
| 652 | } |
| 653 | $filename = is_array( $threat ) ? $threat['filename'] ?? null : $threat->filename ?? null; |
| 654 | $path = $filename ? self::locate_threat_file( $filename ) : null; |
| 655 | return $path ? $path : new WP_Error( 'threat_file_not_found', __( 'This file couldn’t be found on your site. It may have been moved or deleted since the scan.', 'jetpack-protect-pkg' ), array( 'status' => 404 ) ); |
| 656 | } |
| 657 | |
| 658 | /** |
| 659 | * Scan's report as stored on the site, which is enough to map a threat to its file and skips a WordPress.com request. |
| 660 | * |
| 661 | * @return object|null |
| 662 | */ |
| 663 | private static function get_stored_report() { |
| 664 | if ( ! class_exists( Status::class ) ) { |
| 665 | return null; |
| 666 | } |
| 667 | $status = method_exists( Scan_Status::class, 'get_cached_status' ) ? Scan_Status::get_cached_status() : null; |
| 668 | return $status ?? Scan_Status::get_status(); |
| 669 | } |
| 670 | |
| 671 | /** |
| 672 | * A threat from the current report or, for an ignored threat, history. |
| 673 | * |
| 674 | * @param int $id The threat id. |
| 675 | * @return object|array|WP_Error|null Scan's threat from the report, a formatted one from history, or null; an error when history is unavailable. |
| 676 | */ |
| 677 | private static function find_threat( $id ) { |
| 678 | $status = self::get_stored_report(); |
| 679 | // One the site resolved is still in the report until Scan's next scan, but history has it as fixed. |
| 680 | $resolved = Dashboard_Threats::get_resolved( Dashboard_Threats::get_scanned_at( $status ) ); |
| 681 | foreach ( (array) ( $status->threats ?? array() ) as $threat ) { |
| 682 | if ( (int) ( $threat->id ?? 0 ) === $id && ! isset( $resolved[ (string) $id ] ) ) { |
| 683 | return $threat; |
| 684 | } |
| 685 | } |
| 686 | |
| 687 | // The site's own record of one it fixed, which history only adds once WordPress.com answers. |
| 688 | if ( isset( $resolved[ (string) $id ] ) ) { |
| 689 | return $resolved[ (string) $id ]; |
| 690 | } |
| 691 | $history = self::get_history_threats(); |
| 692 | if ( ! is_array( $history ) ) { |
| 693 | return self::history_unavailable(); |
| 694 | } |
| 695 | foreach ( $history as $threat ) { |
| 696 | if ( (int) $threat['id'] === $id ) { |
| 697 | return $threat; |
| 698 | } |
| 699 | } |
| 700 | return null; |
| 701 | } |
| 702 | |
| 703 | /** |
| 704 | * Where a file Scan reported is on this server, since Scan names it from its own root, such as `/htdocs/wp-content/…`. |
| 705 | * |
| 706 | * @param string $filename The path as Scan names it. |
| 707 | * @return string|null The file's real path, only ever inside the site's directories. |
| 708 | */ |
| 709 | private static function locate_threat_file( $filename ) { |
| 710 | $parts = array_values( array_filter( explode( '/', wp_normalize_path( $filename ) ), 'strlen' ) ); |
| 711 | if ( ! $parts || array_intersect( $parts, array( '.', '..' ) ) ) { |
| 712 | return null; |
| 713 | } |
| 714 | $roots = array_merge( self::get_site_roots(), array( untrailingslashit( wp_normalize_path( ABSPATH ) ), wp_normalize_path( dirname( WP_CONTENT_DIR ) ) ) ); |
| 715 | |
| 716 | // Strip only a prefix the site's root ends with, such as `/htdocs` for `/srv/htdocs`, so a missing or nested file can't map to a same-named one elsewhere. |
| 717 | foreach ( array_unique( $roots ) as $root ) { |
| 718 | $root_parts = array_values( array_filter( explode( '/', $root ), 'strlen' ) ); |
| 719 | $real_root = realpath( $root ); |
| 720 | for ( $i = min( count( $parts ) - 1, count( $root_parts ) ); $real_root && $i >= 0; $i-- ) { |
| 721 | if ( array_slice( $parts, 0, $i ) !== array_slice( $root_parts, count( $root_parts ) - $i ) ) { |
| 722 | continue; |
| 723 | } |
| 724 | $rest = implode( '/', array_slice( $parts, $i ) ); |
| 725 | $path = realpath( "$root/$rest" ); |
| 726 | // A symlink below the root, such as a linked plugin folder, would hide what the file belongs to. |
| 727 | if ( $path && wp_normalize_path( $path ) === wp_normalize_path( "$real_root/$rest" ) && is_file( $path ) && self::get_site_root( $path ) ) { |
| 728 | return $path; |
| 729 | } |
| 730 | } |
| 731 | } |
| 732 | return null; |
| 733 | } |
| 734 | |
| 735 | /** |
| 736 | * The site's root and the WordPress directory, resolved, which may be the same directory. |
| 737 | * |
| 738 | * @return string[] |
| 739 | */ |
| 740 | private static function get_site_roots() { |
| 741 | return array_values( array_unique( array_filter( array( realpath( dirname( WP_CONTENT_DIR ) ), realpath( ABSPATH ) ) ) ) ); |
| 742 | } |
| 743 | |
| 744 | /** |
| 745 | * Which of the site's directories a file is in, also allowing a content directory kept outside them. |
| 746 | * |
| 747 | * @param string $path A real path. |
| 748 | * @return string|null The directory, or null when the file is outside the site. |
| 749 | */ |
| 750 | private static function get_site_root( $path ) { |
| 751 | foreach ( array_merge( self::get_site_roots(), array( WP_CONTENT_DIR ) ) as $root ) { |
| 752 | if ( null !== Threat_File::get_relative( $path, $root ) ) { |
| 753 | return $root; |
| 754 | } |
| 755 | } |
| 756 | return null; |
| 757 | } |
| 758 | |
| 759 | /** |
| 760 | * A file's path from the site's root, such as `wp-content/uploads/evil.php`. |
| 761 | * |
| 762 | * @param string $path The file's real path, inside the site. |
| 763 | * @return string |
| 764 | */ |
| 765 | private static function get_site_relative_path( $path ) { |
| 766 | $root = self::get_site_root( $path ); |
| 767 | return $root ? Threat_File::get_relative( $path, $root ) : basename( $path ); |
| 768 | } |
| 769 | |
| 770 | /** |
| 771 | * Every threat Scan has fixed or ignored, and those the site resolved itself. |
| 772 | * |
| 773 | * @return array|WP_Error |
| 774 | */ |
| 775 | public static function get_history_threats() { |
| 776 | $threats = self::get_scan_history(); |
| 777 | if ( is_wp_error( $threats ) ) { |
| 778 | return $threats; |
| 779 | } |
| 780 | |
| 781 | // Threats the site resolved itself win over Scan's entry for them until its next scan. |
| 782 | // Fetched when the cache is empty, as it is right after an ignore, so snapshots older than the last scan don't count. |
| 783 | $status = class_exists( Status::class ) ? ( Status::get_cached_status() ?? Status::get_status() ) : null; |
| 784 | $resolved = Dashboard_Threats::get_resolved( Dashboard_Threats::get_scanned_at( $status ) ); |
| 785 | $threats = array_filter( |
| 786 | $threats, |
| 787 | function ( $threat ) use ( $resolved ) { |
| 788 | return ! isset( $resolved[ (string) $threat['id'] ] ); |
| 789 | } |
| 790 | ); |
| 791 | return array_merge( array_values( $resolved ), array_values( $threats ) ); |
| 792 | } |
| 793 | |
| 794 | /** |
| 795 | * Scan's own history, cached for five minutes. |
| 796 | * |
| 797 | * @return array|WP_Error |
| 798 | */ |
| 799 | private static function get_scan_history() { |
| 800 | $cached = get_transient( self::HISTORY_CACHE ); |
| 801 | if ( is_array( $cached ) ) { |
| 802 | return $cached; |
| 803 | } |
| 804 | |
| 805 | $api_url = Scan_Status::get_api_url(); |
| 806 | $response = is_wp_error( $api_url ) ? $api_url : Client::wpcom_json_api_request_as_blog( |
| 807 | $api_url . '/history', |
| 808 | '2', |
| 809 | array( |
| 810 | 'method' => 'GET', |
| 811 | 'timeout' => 30, |
| 812 | ), |
| 813 | null, |
| 814 | 'wpcom' |
| 815 | ); |
| 816 | $body = is_wp_error( $response ) ? null : json_decode( wp_remote_retrieve_body( $response ) ); |
| 817 | if ( is_wp_error( $response ) || 200 !== wp_remote_retrieve_response_code( $response ) || ! is_object( $body ) ) { |
| 818 | return new WP_Error( 'history_unavailable', __( 'Scan history is unavailable right now.', 'jetpack-protect-pkg' ), array( 'status' => 502 ) ); |
| 819 | } |
| 820 | |
| 821 | $threats = Dashboard_Threats::format_all( (array) ( $body->threats ?? array() ) ); |
| 822 | set_transient( self::HISTORY_CACHE, $threats, 5 * MINUTE_IN_SECONDS ); |
| 823 | return $threats; |
| 824 | } |
| 825 | |
| 826 | /** |
| 827 | * Delete an inactive plugin or a theme the site doesn't use, so its threats go with it. |
| 828 | * |
| 829 | * @param WP_REST_Request $request The request, with the extension `type` and `slug`. |
| 830 | * @return array|WP_Error |
| 831 | */ |
| 832 | public static function delete_software( WP_REST_Request $request ) { |
| 833 | $type = $request['type']; |
| 834 | $slug = $request['slug']; |
| 835 | |
| 836 | require_once ABSPATH . 'wp-admin/includes/file.php'; |
| 837 | require_once ABSPATH . 'wp-admin/includes/plugin.php'; |
| 838 | require_once ABSPATH . 'wp-admin/includes/theme.php'; |
| 839 | |
| 840 | // Looked up by key, so only the slug of installed software matches and anything else is refused. |
| 841 | $file = 'plugins' === $type ? ( Dashboard_Threats::get_plugin_files( get_plugins() )[ $slug ] ?? null ) : null; |
| 842 | $theme = 'themes' === $type ? ( wp_get_themes( array( 'errors' => null ) )[ $slug ] ?? null ) : null; |
| 843 | if ( ! Dashboard_Threats::can_delete( $type, $file, $theme ) ) { |
| 844 | return new WP_Error( 'software_not_deletable', __( 'This can’t be deleted here. It may be in use, or already gone.', 'jetpack-protect-pkg' ), array( 'status' => 403 ) ); |
| 845 | } |
| 846 | |
| 847 | $deleted = null; |
| 848 | if ( self::can_write_files() ) { |
| 849 | $deleted = 'plugins' === $type ? delete_plugins( array( $file ) ) : delete_theme( $theme->get_stylesheet() ); |
| 850 | } |
| 851 | if ( true !== $deleted ) { |
| 852 | return new WP_Error( 'software_not_deleted', is_wp_error( $deleted ) ? $deleted->get_error_message() : __( 'WordPress couldn’t delete the files. Try deleting it from the Plugins or Themes screen.', 'jetpack-protect-pkg' ), array( 'status' => 500 ) ); |
| 853 | } |
| 854 | |
| 855 | delete_transient( self::HISTORY_CACHE ); |
| 856 | if ( class_exists( Status::class ) ) { |
| 857 | Scan_Status::delete_option(); |
| 858 | Protect_Status::delete_option(); |
| 859 | } |
| 860 | return array( 'ok' => true ); |
| 861 | } |
| 862 | |
| 863 | /** |
| 864 | * The database row a current threat was found in, with long values cut short. |
| 865 | * |
| 866 | * @param WP_REST_Request $request The request, with the threat `id`. |
| 867 | * @return array|WP_Error The row's `columns`, and whether `canDelete` it here. |
| 868 | */ |
| 869 | public static function get_threat_row( WP_REST_Request $request ) { |
| 870 | $found = self::find_threat_row( $request['id'] ); |
| 871 | if ( is_wp_error( $found ) ) { |
| 872 | return $found; |
| 873 | } |
| 874 | |
| 875 | $columns = array(); |
| 876 | foreach ( $found['row'] as $column => $value ) { |
| 877 | $columns[ $column ] = is_string( $value ) && mb_strlen( $value ) > self::ROW_VALUE_LIMIT ? mb_substr( $value, 0, self::ROW_VALUE_LIMIT ) . '…' : $value; |
| 878 | } |
| 879 | return array( |
| 880 | 'columns' => (object) $columns, |
| 881 | 'canDelete' => null !== self::get_deletable_option( $found ), |
| 882 | ); |
| 883 | } |
| 884 | |
| 885 | /** |
| 886 | * Delete the option a current threat was found in, and mark the threat fixed. Nothing keeps a copy of the option. |
| 887 | * |
| 888 | * @param WP_REST_Request $request The request, with the threat `id`. |
| 889 | * @return array|WP_Error The fixed `threat`. |
| 890 | */ |
| 891 | public static function delete_threat_row( WP_REST_Request $request ) { |
| 892 | $found = self::find_threat_row( $request['id'] ); |
| 893 | if ( is_wp_error( $found ) ) { |
| 894 | return $found; |
| 895 | } |
| 896 | |
| 897 | $name = self::get_deletable_option( $found ); |
| 898 | if ( null === $name ) { |
| 899 | return new WP_Error( 'threat_row_not_deletable', __( 'This row can’t be deleted here. Remove it with a database tool, or contact Jetpack support for help.', 'jetpack-protect-pkg' ), array( 'status' => 403 ) ); |
| 900 | } |
| 901 | if ( ! delete_option( $name ) ) { |
| 902 | return new WP_Error( 'threat_row_not_deleted', __( 'WordPress couldn’t delete the option. Try again, or contact Jetpack support for help.', 'jetpack-protect-pkg' ), array( 'status' => 500 ) ); |
| 903 | } |
| 904 | |
| 905 | return array( 'threat' => Dashboard_Threats::resolve( Dashboard_Threats::format( $found['threat'] ) ) ); |
| 906 | } |
| 907 | |
| 908 | /** |
| 909 | * Read a current threat's database row, found through the threat so only rows Scan flagged can be reached. |
| 910 | * |
| 911 | * @param int|string $id The threat id. |
| 912 | * @return array|WP_Error The `threat`, and its row's `table`, `pk_column` and `row`. |
| 913 | */ |
| 914 | private static function find_threat_row( $id ) { |
| 915 | global $wpdb; |
| 916 | |
| 917 | $threat = null; |
| 918 | if ( class_exists( Status::class ) ) { |
| 919 | foreach ( (array) ( Scan_Status::get_status()->threats ?? array() ) as $item ) { |
| 920 | if ( (string) ( $item->id ?? '' ) === (string) $id ) { |
| 921 | $threat = $item; |
| 922 | break; |
| 923 | } |
| 924 | } |
| 925 | } |
| 926 | |
| 927 | $details = $threat->details ?? null; |
| 928 | $table = $details->table ?? null; |
| 929 | $column = $details->pk_column ?? null; |
| 930 | // This site's own tables only: on multisite, the shared users tables hold other sites' password hashes. |
| 931 | if ( ! is_string( $table ) || ! is_string( $column ) || ! isset( $details->pk_value ) || ! in_array( $table, $wpdb->tables( 'blog' ), true ) ) { |
| 932 | return new WP_Error( 'threat_row_not_found', __( 'This threat isn’t in a database row Jetpack can read.', 'jetpack-protect-pkg' ), array( 'status' => 404 ) ); |
| 933 | } |
| 934 | |
| 935 | // A key column the table lacks is a query error, which must not print into the REST response. |
| 936 | $suppressed = $wpdb->suppress_errors(); |
| 937 | $row = $wpdb->get_row( $wpdb->prepare( 'SELECT * FROM %i WHERE %i = %s', $table, $column, $details->pk_value ), ARRAY_A ); // phpcs:ignore WordPress.DB.DirectDatabaseQuery |
| 938 | $wpdb->suppress_errors( $suppressed ); |
| 939 | if ( ! $row ) { |
| 940 | return new WP_Error( 'threat_row_gone', __( 'This row is no longer in the database. Run a scan to update the list.', 'jetpack-protect-pkg' ), array( 'status' => 404 ) ); |
| 941 | } |
| 942 | return array( |
| 943 | 'threat' => $threat, |
| 944 | 'table' => $table, |
| 945 | 'pk_column' => $column, |
| 946 | 'row' => $row, |
| 947 | ); |
| 948 | } |
| 949 | |
| 950 | /** |
| 951 | * The option a threat's row holds, when the dashboard may delete it. |
| 952 | * |
| 953 | * @param array $found From find_threat_row(). |
| 954 | * @return string|null The option name, or null for other tables, for WordPress core's and Jetpack's options, and for a row that isn't the one Scan flagged. |
| 955 | */ |
| 956 | private static function get_deletable_option( $found ) { |
| 957 | global $wpdb; |
| 958 | |
| 959 | $name = $found['row']['option_name'] ?? null; |
| 960 | if ( $wpdb->options !== $found['table'] || 'option_id' !== $found['pk_column'] || ! is_string( $name ) ) { |
| 961 | return null; |
| 962 | } |
| 963 | // delete_option() trims the name, so " siteurl" would delete siteurl instead of the flagged row. |
| 964 | if ( trim( $name ) !== $name || Protected_Options::is_protected( $name ) ) { |
| 965 | return null; |
| 966 | } |
| 967 | // The key may now hold another option, as after a database import. |
| 968 | $flagged = $found['threat']->details->details->option_name ?? null; |
| 969 | if ( null !== $flagged && $flagged !== $name ) { |
| 970 | return null; |
| 971 | } |
| 972 | return $name; |
| 973 | } |
| 974 | |
| 975 | /** |
| 976 | * Whether WordPress can delete files without asking for filesystem credentials. |
| 977 | * |
| 978 | * Core's delete functions print the credentials form and exit when it can't, which a REST request can't show. |
| 979 | * |
| 980 | * @return bool |
| 981 | */ |
| 982 | private static function can_write_files() { |
| 983 | if ( 'direct' === get_filesystem_method() ) { |
| 984 | return true; |
| 985 | } |
| 986 | ob_start(); |
| 987 | $has_credentials = request_filesystem_credentials( self_admin_url() ); |
| 988 | ob_end_clean(); |
| 989 | return (bool) $has_credentials; |
| 990 | } |
| 991 | |
| 992 | /** |
| 993 | * Ask Scan to fix a threat. |
| 994 | * |
| 995 | * @param WP_REST_Request $request The request, with the threat `id`. |
| 996 | * @return array|WP_Error The threat's fixer status. |
| 997 | */ |
| 998 | public static function fix_threat( WP_REST_Request $request ) { |
| 999 | $id = (int) $request['id']; |
| 1000 | $response = self::alerts_request( '/fix', 'POST', array( 'threat_ids' => array( $id ) ) ); |
| 1001 | if ( is_wp_error( $response ) ) { |
| 1002 | return new WP_Error( 'threat_not_fixed', __( 'The fix couldn’t be started. Try again in a few minutes.', 'jetpack-protect-pkg' ), array( 'status' => 502 ) ); |
| 1003 | } |
| 1004 | |
| 1005 | Scan_Status::delete_option(); |
| 1006 | $status = self::get_threat_fix_status( $response, $id ); |
| 1007 | if ( 'fixed' === $status['status'] ) { |
| 1008 | delete_transient( self::HISTORY_CACHE ); |
| 1009 | } |
| 1010 | return $status; |
| 1011 | } |
| 1012 | |
| 1013 | /** |
| 1014 | * How a fix is going, with the refreshed report once it has finished. |
| 1015 | * |
| 1016 | * @param WP_REST_Request $request The request, with the threat `id`. |
| 1017 | * @return array|WP_Error |
| 1018 | */ |
| 1019 | public static function get_fix_status( WP_REST_Request $request ) { |
| 1020 | $id = (int) $request['id']; |
| 1021 | $response = self::alerts_request( add_query_arg( 'threat_ids', array( $id ), '/fix' ), 'GET' ); |
| 1022 | if ( is_wp_error( $response ) ) { |
| 1023 | return new WP_Error( 'fix_status_unavailable', __( 'We couldn’t check on the fix.', 'jetpack-protect-pkg' ), array( 'status' => 502 ) ); |
| 1024 | } |
| 1025 | |
| 1026 | $status = self::get_threat_fix_status( $response, $id ); |
| 1027 | if ( in_array( $status['status'], self::FIX_DONE_STATUSES, true ) ) { |
| 1028 | // A fixed threat moves into Scan history. |
| 1029 | if ( 'fixed' === $status['status'] ) { |
| 1030 | delete_transient( self::HISTORY_CACHE ); |
| 1031 | } |
| 1032 | $status['scan'] = self::get_scan_report( true, true ); |
| 1033 | } |
| 1034 | return $status; |
| 1035 | } |
| 1036 | |
| 1037 | /** |
| 1038 | * One threat's status from a WordPress.com fixer response. |
| 1039 | * |
| 1040 | * @param object $response The decoded response, with fixer statuses under `threats`, keyed by threat id. |
| 1041 | * @param int $id The threat id. |
| 1042 | * @return array The `status`, such as `in_progress` or `fixed`, and any `error`. |
| 1043 | */ |
| 1044 | private static function get_threat_fix_status( $response, $id ) { |
| 1045 | $threat = $response->threats->{ (string) $id } ?? null; |
| 1046 | return array( |
| 1047 | 'status' => $threat->status ?? ( empty( $threat->error ) ? 'in_progress' : 'not_fixed' ), |
| 1048 | 'error' => $threat->error ?? null, |
| 1049 | ); |
| 1050 | } |
| 1051 | |
| 1052 | /** |
| 1053 | * Call the site's WordPress.com alerts API as the current user, as the Protect plugin does. |
| 1054 | * |
| 1055 | * @param string $path Path after `/sites/{id}/alerts`. |
| 1056 | * @param string $method HTTP method. |
| 1057 | * @param array|null $body Body to send as JSON. |
| 1058 | * @return object|WP_Error The decoded response. |
| 1059 | */ |
| 1060 | private static function alerts_request( $path, $method, $body = null ) { |
| 1061 | $blog_id = (int) Jetpack_Options::get_option( 'id' ); |
| 1062 | if ( ! $blog_id ) { |
| 1063 | return new WP_Error( 'site_not_connected' ); |
| 1064 | } |
| 1065 | |
| 1066 | $response = Client::wpcom_json_api_request_as_user( |
| 1067 | sprintf( '/sites/%d/alerts%s', $blog_id, $path ), |
| 1068 | '2', |
| 1069 | // WordPress.com answers only once VaultPress has, which can take longer than the 10 second default. |
| 1070 | array( |
| 1071 | 'method' => $method, |
| 1072 | 'timeout' => 30, |
| 1073 | ), |
| 1074 | null === $body ? null : wp_json_encode( $body, JSON_UNESCAPED_SLASHES ), |
| 1075 | 'wpcom' |
| 1076 | ); |
| 1077 | if ( is_wp_error( $response ) && 'http_request_failed' === $response->get_error_code() ) { |
| 1078 | return new WP_Error( 'alerts_request_unanswered' ); |
| 1079 | } |
| 1080 | if ( is_wp_error( $response ) || 200 !== wp_remote_retrieve_response_code( $response ) ) { |
| 1081 | return new WP_Error( 'alerts_request_failed' ); |
| 1082 | } |
| 1083 | |
| 1084 | // Ignoring answers with no useful body; only the status code matters there. |
| 1085 | $decoded = json_decode( wp_remote_retrieve_body( $response ) ); |
| 1086 | return is_object( $decoded ) ? $decoded : new \stdClass(); |
| 1087 | } |
| 1088 | |
| 1089 | /** |
| 1090 | * The latest report, fresh from WordPress.com, for polling while a scan runs. |
| 1091 | * |
| 1092 | * @return array |
| 1093 | */ |
| 1094 | public static function get_scan() { |
| 1095 | return self::get_scan_report( Dashboard::has_scan_plan(), true ); |
| 1096 | } |
| 1097 | |
| 1098 | /** |
| 1099 | * Start a scan: enqueue one with a Scan plan, otherwise ask for the latest vulnerability report. |
| 1100 | * |
| 1101 | * @return array|WP_Error |
| 1102 | */ |
| 1103 | public static function start_scan() { |
| 1104 | $has_plan = Dashboard::has_scan_plan(); |
| 1105 | |
| 1106 | if ( $has_plan && self::claim_request_lock() ) { |
| 1107 | $api_url = Scan_Status::get_api_url(); |
| 1108 | $response = is_wp_error( $api_url ) |
| 1109 | ? $api_url |
| 1110 | : Client::wpcom_json_api_request_as_blog( $api_url . '/enqueue', '2', array( 'method' => 'POST' ), null, 'wpcom' ); |
| 1111 | $error = self::get_enqueue_error( $response ); |
| 1112 | if ( $error ) { |
| 1113 | self::release_request_lock(); |
| 1114 | return $error; |
| 1115 | } |
| 1116 | Scan_Status::delete_option(); |
| 1117 | delete_transient( self::HISTORY_CACHE ); |
| 1118 | |
| 1119 | /** |
| 1120 | * Fires after the Protect dashboard enqueues a scan on WordPress.com. |
| 1121 | * |
| 1122 | * @since 0.1.0 |
| 1123 | */ |
| 1124 | do_action( 'jetpack_protect_dashboard_scan_started' ); |
| 1125 | } |
| 1126 | |
| 1127 | return self::get_scan_report( $has_plan, true ); |
| 1128 | } |
| 1129 | |
| 1130 | /** |
| 1131 | * Why WordPress.com didn't enqueue a scan, including a `success: false` it answers with a 200. |
| 1132 | * |
| 1133 | * @param array|WP_Error $response The enqueue response. |
| 1134 | * @return WP_Error|null The error, with WordPress.com's reason when it gives one, or null once enqueued. |
| 1135 | */ |
| 1136 | private static function get_enqueue_error( $response ) { |
| 1137 | $body = is_wp_error( $response ) ? null : json_decode( wp_remote_retrieve_body( $response ) ); |
| 1138 | if ( ! is_wp_error( $response ) && 200 === wp_remote_retrieve_response_code( $response ) && false !== ( $body->success ?? null ) ) { |
| 1139 | return null; |
| 1140 | } |
| 1141 | |
| 1142 | $reasons = (array) ( $body->error->errors ?? array() ); |
| 1143 | $reason = $reasons ? (array) reset( $reasons ) : array(); |
| 1144 | $reason = $reason[0] ?? $body->message ?? null; |
| 1145 | $message = is_string( $reason ) && '' !== $reason |
| 1146 | /* translators: %s is the reason WordPress.com gave, such as "Unable to find a valid site." */ |
| 1147 | ? sprintf( __( 'The scan couldn’t be started: %s', 'jetpack-protect-pkg' ), $reason ) |
| 1148 | : __( 'The scan couldn’t be started. Try again in a few minutes.', 'jetpack-protect-pkg' ); |
| 1149 | |
| 1150 | return new WP_Error( 'scan_not_started', $message, array( 'status' => 502 ) ); |
| 1151 | } |
| 1152 | |
| 1153 | /** |
| 1154 | * Claim the once-a-minute scan request slot before calling WordPress.com, so concurrent requests don't both enqueue. |
| 1155 | * |
| 1156 | * @return bool Whether this request got the slot. |
| 1157 | */ |
| 1158 | private static function claim_request_lock() { |
| 1159 | // `wp_cache_add()` is atomic with a persistent object cache; transients can only narrow the race. |
| 1160 | if ( wp_using_ext_object_cache() ) { |
| 1161 | return wp_cache_add( self::REQUEST_LOCK, time(), 'jetpack_protect', MINUTE_IN_SECONDS ); |
| 1162 | } |
| 1163 | if ( get_transient( self::REQUEST_LOCK ) ) { |
| 1164 | return false; |
| 1165 | } |
| 1166 | set_transient( self::REQUEST_LOCK, time(), MINUTE_IN_SECONDS ); |
| 1167 | return true; |
| 1168 | } |
| 1169 | |
| 1170 | /** |
| 1171 | * Give the scan request slot back after a failed request, so the user can retry straight away. |
| 1172 | * |
| 1173 | * @return void |
| 1174 | */ |
| 1175 | private static function release_request_lock() { |
| 1176 | if ( wp_using_ext_object_cache() ) { |
| 1177 | wp_cache_delete( self::REQUEST_LOCK, 'jetpack_protect' ); |
| 1178 | } else { |
| 1179 | delete_transient( self::REQUEST_LOCK ); |
| 1180 | } |
| 1181 | } |
| 1182 | |
| 1183 | /** |
| 1184 | * The latest vulnerability report: from Scan on a paid plan, otherwise Protect's free check. |
| 1185 | * |
| 1186 | * @param bool $has_plan Whether the site has a Scan plan. |
| 1187 | * @param bool $refresh Fetch the report from WordPress.com instead of the cache; the plan is never refreshed. |
| 1188 | * @return array |
| 1189 | */ |
| 1190 | private static function get_scan_report( $has_plan, $refresh = false ) { |
| 1191 | $error = array( |
| 1192 | 'error' => true, |
| 1193 | 'scanning' => false, |
| 1194 | ); |
| 1195 | if ( ! class_exists( Status::class ) ) { |
| 1196 | return $error; |
| 1197 | } |
| 1198 | |
| 1199 | if ( $refresh ) { |
| 1200 | Status::$status = null; |
| 1201 | } |
| 1202 | $status = $has_plan ? Scan_Status::get_status( $refresh ) : Protect_Status::get_status( $refresh ); |
| 1203 | if ( ! empty( $status->error ) ) { |
| 1204 | return $error; |
| 1205 | } |
| 1206 | |
| 1207 | if ( ! function_exists( 'get_plugins' ) ) { |
| 1208 | require_once ABSPATH . 'wp-admin/includes/plugin.php'; |
| 1209 | } |
| 1210 | |
| 1211 | // Scan can stay idle with no scan on record, which isn't a scan running. |
| 1212 | $is_initializing = empty( $status->last_checked ) && empty( $status->last_scan_failed ) && in_array( $status->status, self::INITIALIZING_STATUSES, true ) |
| 1213 | && ! ( $has_plan && 'idle' === $status->status ); |
| 1214 | |
| 1215 | return array( |
| 1216 | 'error' => false, |
| 1217 | 'scanning' => $is_initializing || in_array( $status->status, self::SCANNING_STATUSES, true ), |
| 1218 | 'lastChecked' => $status->last_checked, |
| 1219 | 'lastScanFailed' => ! empty( $status->last_scan_failed ), |
| 1220 | 'progress' => isset( $status->current_progress ) ? (int) $status->current_progress : null, |
| 1221 | 'pluginsChecked' => count( get_plugins() ), |
| 1222 | 'themesChecked' => count( wp_get_themes() ), |
| 1223 | 'threats' => Dashboard_Threats::format_all( Dashboard_Threats::without_resolved( $status->threats, Dashboard_Threats::get_scanned_at( $status ) ) ), |
| 1224 | ); |
| 1225 | } |
| 1226 | } |