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| 1 | <?php |
| 2 | /** |
| 3 | * Model class for threat data. |
| 4 | * |
| 5 | * @package automattic/jetpack-protect-models |
| 6 | */ |
| 7 | |
| 8 | namespace Automattic\Jetpack\Protect_Models; |
| 9 | |
| 10 | /** |
| 11 | * Model class for threat data. |
| 12 | */ |
| 13 | class Threat_Model { |
| 14 | |
| 15 | /** |
| 16 | * Threat ID. |
| 17 | * |
| 18 | * @var null|string |
| 19 | */ |
| 20 | public $id; |
| 21 | |
| 22 | /** |
| 23 | * Threat Signature. |
| 24 | * |
| 25 | * @var null|string |
| 26 | */ |
| 27 | public $signature; |
| 28 | |
| 29 | /** |
| 30 | * Threat Title. |
| 31 | * |
| 32 | * @var null|string |
| 33 | */ |
| 34 | public $title; |
| 35 | |
| 36 | /** |
| 37 | * Threat Description. |
| 38 | * |
| 39 | * @var null|string |
| 40 | */ |
| 41 | public $description; |
| 42 | |
| 43 | /** |
| 44 | * The data the threat was first detected. |
| 45 | * |
| 46 | * @var null|string |
| 47 | */ |
| 48 | public $first_detected; |
| 49 | |
| 50 | /** |
| 51 | * The version the threat is fixed in. |
| 52 | * |
| 53 | * @var null|string |
| 54 | */ |
| 55 | public $fixed_in; |
| 56 | |
| 57 | /** |
| 58 | * The date the threat is fixed on. |
| 59 | * |
| 60 | * @var null|string |
| 61 | */ |
| 62 | public $fixed_on; |
| 63 | |
| 64 | /** |
| 65 | * The severity of the threat between 1-5. |
| 66 | * |
| 67 | * @var null|int |
| 68 | */ |
| 69 | public $severity; |
| 70 | |
| 71 | /** |
| 72 | * Information about the auto-fix available for this threat. False when not auto-fixable. |
| 73 | * |
| 74 | * @var null|bool|object |
| 75 | */ |
| 76 | public $fixable; |
| 77 | |
| 78 | /** |
| 79 | * The current status of the threat. |
| 80 | * |
| 81 | * @var null|string |
| 82 | */ |
| 83 | public $status; |
| 84 | |
| 85 | /** |
| 86 | * The filename of the threat. |
| 87 | * |
| 88 | * @var null|string |
| 89 | */ |
| 90 | public $filename; |
| 91 | |
| 92 | /** |
| 93 | * The context of the threat. |
| 94 | * |
| 95 | * @var null|object |
| 96 | */ |
| 97 | public $context; |
| 98 | |
| 99 | /** |
| 100 | * The database table of the threat. |
| 101 | * |
| 102 | * @var null|string |
| 103 | */ |
| 104 | public $table; |
| 105 | |
| 106 | /** |
| 107 | * Additional details about the database threat. |
| 108 | * |
| 109 | * @var null|object |
| 110 | */ |
| 111 | public $details; |
| 112 | |
| 113 | /** |
| 114 | * The source URL of the threat. |
| 115 | * |
| 116 | * @var null|string |
| 117 | */ |
| 118 | public $source; |
| 119 | |
| 120 | /** |
| 121 | * The threat's extension information. |
| 122 | * |
| 123 | * @since 0.4.0 |
| 124 | * |
| 125 | * @var null|Extension_Model |
| 126 | */ |
| 127 | public $extension; |
| 128 | |
| 129 | /** |
| 130 | * The threat's related vulnerabilities. |
| 131 | * |
| 132 | * @since 0.5.0 |
| 133 | * |
| 134 | * @var null|Vulnerability_Model[] |
| 135 | */ |
| 136 | public $vulnerabilities; |
| 137 | |
| 138 | /** |
| 139 | * Threat Constructor |
| 140 | * |
| 141 | * @param array|object $threat Threat data to load into the class instance. |
| 142 | */ |
| 143 | public function __construct( $threat ) { |
| 144 | if ( is_object( $threat ) ) { |
| 145 | $threat = (array) $threat; |
| 146 | } |
| 147 | |
| 148 | foreach ( $threat as $property => $value ) { |
| 149 | if ( 'extension' === $property && ! empty( $value ) ) { |
| 150 | $this->extension = new Extension_Model( $value ); |
| 151 | continue; |
| 152 | } |
| 153 | if ( property_exists( $this, $property ) ) { |
| 154 | $this->$property = $value; |
| 155 | } |
| 156 | } |
| 157 | } |
| 158 | |
| 159 | /** |
| 160 | * Get the ID value of the threat based on its related extension and vulnerabilities. |
| 161 | * |
| 162 | * @since 0.5.0 |
| 163 | * |
| 164 | * @param Extension_Model $extension The extension to get the ID from. |
| 165 | * |
| 166 | * @return string |
| 167 | */ |
| 168 | private static function get_id_from_vulnerable_extension( Extension_Model $extension ) { |
| 169 | return "$extension->type-$extension->slug-$extension->version"; |
| 170 | } |
| 171 | |
| 172 | /** |
| 173 | * Get the title from a vulnerable extension. |
| 174 | * |
| 175 | * @since 0.5.0 |
| 176 | * |
| 177 | * @param Extension_Model $extension The extension to get the title from. |
| 178 | * |
| 179 | * @return string|null |
| 180 | */ |
| 181 | private static function get_title_from_vulnerable_extension( Extension_Model $extension ) { |
| 182 | $titles = array( |
| 183 | 'plugins' => sprintf( |
| 184 | /* translators: placeholders are the theme name and version number. Example: "Vulnerable theme: Jetpack (version 1.2.3)" */ |
| 185 | __( 'Vulnerable plugin: %1$s (version %2$s)', 'jetpack-protect-models' ), |
| 186 | $extension->name, |
| 187 | $extension->version |
| 188 | ), |
| 189 | 'themes' => sprintf( |
| 190 | /* translators: placeholders are the theme name and version number. Example: "Vulnerable theme: Jetpack (version 1.2.3)" */ |
| 191 | __( 'Vulnerable theme: %1$s (version %2$s)', 'jetpack-protect-models' ), |
| 192 | $extension->name, |
| 193 | $extension->version |
| 194 | ), |
| 195 | 'core' => sprintf( |
| 196 | /* translators: placeholder is the version number. Example: "Vulnerable WordPress (version 1.2.3)" */ |
| 197 | __( 'Vulnerable WordPress (version %s)', 'jetpack-protect-models' ), |
| 198 | $extension->version |
| 199 | ), |
| 200 | ); |
| 201 | |
| 202 | return $titles[ $extension->type ] ?? null; |
| 203 | } |
| 204 | |
| 205 | /** |
| 206 | * Get the description from a vulnerable extension. |
| 207 | * |
| 208 | * @since 0.5.0 |
| 209 | * |
| 210 | * @param Extension_Model $extension The extension to get the description from. |
| 211 | * @param array $vulnerabilities The vulnerabilities to get the description from. |
| 212 | * |
| 213 | * @return string |
| 214 | */ |
| 215 | private static function get_description_from_vulnerable_extension( Extension_Model $extension, array $vulnerabilities ) { |
| 216 | return sprintf( |
| 217 | /* translators: placeholders are the theme name and version number. Example: "The installed version of Jetpack (1.2.3) has a known security vulnerability." */ |
| 218 | _n( 'The installed version of %1$s (%2$s) has a known security vulnerability.', 'The installed version of %1$s (%2$s) has known security vulnerabilities.', count( $vulnerabilities ), 'jetpack-protect-models' ), |
| 219 | $extension->name, |
| 220 | $extension->version |
| 221 | ); |
| 222 | } |
| 223 | |
| 224 | /** |
| 225 | * Get the latest fixed_in version from a list of vulnerabilities. |
| 226 | * |
| 227 | * @since 0.5.0 |
| 228 | * |
| 229 | * @param array $vulnerabilities The vulnerabilities to get the fixed_in version from. |
| 230 | * |
| 231 | * @return string|bool|null The latest fixed_in version, or false if any of the vulnerabilities are not fixed. |
| 232 | */ |
| 233 | private static function get_fixed_in_from_vulnerabilities( array $vulnerabilities ) { |
| 234 | $fixed_in = null; |
| 235 | |
| 236 | foreach ( $vulnerabilities as $vulnerability ) { |
| 237 | // If any of the vulnerabilities are not fixed, the threat is not fixed. |
| 238 | if ( ! $vulnerability->fixed_in ) { |
| 239 | break; |
| 240 | } |
| 241 | |
| 242 | // Use the latest available fixed_in version. |
| 243 | if ( ! $fixed_in || ( $fixed_in && version_compare( $vulnerability->fixed_in, $fixed_in, '>' ) ) ) { |
| 244 | $fixed_in = $vulnerability->fixed_in; |
| 245 | } |
| 246 | } |
| 247 | |
| 248 | return $fixed_in; |
| 249 | } |
| 250 | |
| 251 | /** |
| 252 | * Generate a threat from extension vulnerabilities. |
| 253 | * |
| 254 | * @since 0.5.0 |
| 255 | * |
| 256 | * @param Extension_Model $extension The extension to generate the threat for. |
| 257 | * @param Vulnerability_Model[] $vulnerabilities The vulnerabilities to generate the threat from. |
| 258 | * |
| 259 | * @return Threat_Model |
| 260 | */ |
| 261 | public static function generate_from_extension_vulnerabilities( Extension_Model $extension, array $vulnerabilities ) { |
| 262 | return new Threat_Model( |
| 263 | array( |
| 264 | 'id' => self::get_id_from_vulnerable_extension( $extension ), |
| 265 | 'title' => self::get_title_from_vulnerable_extension( $extension ), |
| 266 | 'description' => self::get_description_from_vulnerable_extension( $extension, $vulnerabilities ), |
| 267 | 'fixed_in' => self::get_fixed_in_from_vulnerabilities( $vulnerabilities ), |
| 268 | 'vulnerabilities' => $vulnerabilities, |
| 269 | ) |
| 270 | ); |
| 271 | } |
| 272 | } |