WordPressを読む 96-4 /blog/wp-includes/pluggable.php 4
/blog/wp-includes/pluggable.php 4
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 | if ( !function_exists('wp_password_change_notification') ) : /** * Notify the blog admin of a user changing password, normally via email. * * @since 2.7.0 * * @param object $user User Object */ function wp_password_change_notification(&$user) { // send a copy of password change notification to the admin // but check to see if it's the admin whose password we're changing, and skip this if ( 0 !== strcasecmp( $user->user_email, get_option( 'admin_email' ) ) ) { $message = sprintf(__('Password Lost and Changed for user: %s'), $user->user_login) . "\r\n"; // The blogname option is escaped with esc_html on the way into the database in sanitize_option // we want to reverse this for the plain text arena of emails. $blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES); wp_mail(get_option('admin_email'), sprintf(__('[%s] Password Lost/Changed'), $blogname), $message); } } endif; if ( !function_exists('wp_new_user_notification') ) : /** * Email login credentials to a newly-registered user. * * A new user registration notification is also sent to admin email. * * @since 2.0.0 * * @param int $user_id User ID. * @param string $plaintext_pass Optional. The user's plaintext password. Default empty. */ function wp_new_user_notification($user_id, $plaintext_pass = '') { $user = get_userdata( $user_id ); // The blogname option is escaped with esc_html on the way into the database in sanitize_option // we want to reverse this for the plain text arena of emails. $blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES); $message = sprintf(__('New user registration on your site %s:'), $blogname) . "\r\n\r\n"; $message .= sprintf(__('Username: %s'), $user->user_login) . "\r\n\r\n"; $message .= sprintf(__('E-mail: %s'), $user->user_email) . "\r\n"; @wp_mail(get_option('admin_email'), sprintf(__('[%s] New User Registration'), $blogname), $message); if ( empty($plaintext_pass) ) return; $message = sprintf(__('Username: %s'), $user->user_login) . "\r\n"; $message .= sprintf(__('Password: %s'), $plaintext_pass) . "\r\n"; $message .= wp_login_url() . "\r\n"; wp_mail($user->user_email, sprintf(__('[%s] Your username and password'), $blogname), $message); } endif; if ( !function_exists('wp_nonce_tick') ) : /** * Get the time-dependent variable for nonce creation. * * A nonce has a lifespan of two ticks. Nonces in their second tick may be * updated, e.g. by autosave. * * @since 2.5.0 * * @return int */ function wp_nonce_tick() { /** * Filter the lifespan of nonces in seconds. * * @since 2.5.0 * * @param int $lifespan Lifespan of nonces in seconds. Default 86,400 seconds, or one day. */ $nonce_life = apply_filters( 'nonce_life', DAY_IN_SECONDS ); return ceil(time() / ( $nonce_life / 2 )); } endif; if ( !function_exists('wp_verify_nonce') ) : /** * Verify that correct nonce was used with time limit. * * The user is given an amount of time to use the token, so therefore, since the * UID and $action remain the same, the independent variable is the time. * * @since 2.0.3 * * @param string $nonce Nonce that was used in the form to verify * @param string|int $action Should give context to what is taking place and be the same when nonce was created. * @return bool Whether the nonce check passed or failed. */ function wp_verify_nonce($nonce, $action = -1) { $user = wp_get_current_user(); $uid = (int) $user->ID; if ( ! $uid ) { /** * Filter whether the user who generated the nonce is logged out. * * @since 3.5.0 * * @param int $uid ID of the nonce-owning user. * @param string $action The nonce action. */ $uid = apply_filters( 'nonce_user_logged_out', $uid, $action ); } if ( empty( $nonce ) ) { return false; } $token = wp_get_session_token(); $i = wp_nonce_tick(); // Nonce generated 0-12 hours ago $expected = substr( wp_hash( $i . '|' . $action . '|' . $uid . '|' . $token, 'nonce'), -12, 10 ); if ( hash_equals( $expected, $nonce ) ) { return 1; } // Nonce generated 12-24 hours ago $expected = substr( wp_hash( ( $i - 1 ) . '|' . $action . '|' . $uid . '|' . $token, 'nonce' ), -12, 10 ); if ( hash_equals( $expected, $nonce ) ) { return 2; } // Invalid nonce return false; } endif; if ( !function_exists('wp_create_nonce') ) : /** * Creates a cryptographic token tied to a specific action, user, and window of time. * * @since 2.0.3 * * @param string $action Scalar value to add context to the nonce. * @return string The token. */ function wp_create_nonce($action = -1) { $user = wp_get_current_user(); $uid = (int) $user->ID; if ( ! $uid ) { /** This filter is documented in wp-includes/pluggable.php */ $uid = apply_filters( 'nonce_user_logged_out', $uid, $action ); } $token = wp_get_session_token(); $i = wp_nonce_tick(); return substr( wp_hash( $i . '|' . $action . '|' . $uid . '|' . $token, 'nonce' ), -12, 10 ); } endif; if ( !function_exists('wp_salt') ) : /** * Get salt to add to hashes. * * Salts are created using secret keys. Secret keys are located in two places: * in the database and in the wp-config.php file. The secret key in the database * is randomly generated and will be appended to the secret keys in wp-config.php. * * The secret keys in wp-config.php should be updated to strong, random keys to maximize * security. Below is an example of how the secret key constants are defined. * Do not paste this example directly into wp-config.php. Instead, have a * {@link https://api.wordpress.org/secret-key/1.1/salt/ secret key created} just * for you. * * <code> * define('AUTH_KEY', ' Xakm<o xQy rw4EMsLKM-?!T+,PFF})H4lzcW57AF0U@N@< >M%G4Yt>f`z]MON'); * define('SECURE_AUTH_KEY', 'LzJ}op]mr|6+![P}Ak:uNdJCJZd>(Hx.-Mh#Tz)pCIU#uGEnfFz|f ;;eU%/U^O~'); * define('LOGGED_IN_KEY', '|i|Ux`9<p-h$aFf(qnT:sDO:D1P^wZ$$/Ra@miTJi9G;ddp_<q}6H1)o|a +&JCM'); * define('NONCE_KEY', '%:R{[P|,s.KuMltH5}cI;/k<Gx~j!f0I)m_sIyu+&NJZ)-iO>z7X>QYR0Z_XnZ@|'); * define('AUTH_SALT', 'eZyT)-Naw]F8CwA*VaW#q*|.)g@o}||wf~@C-YSt}(dh_r6EbI#A,y|nU2{B#JBW'); * define('SECURE_AUTH_SALT', '!=oLUTXh,QW=H `}`L|9/^4-3 STz},T(w}W<I`.JjPi)<Bmf1v,HpGe}T1:Xt7n'); * define('LOGGED_IN_SALT', '+XSqHc;@Q*K_b|Z?NC[3H!!EONbh.n<+=uKR:>*c(u`g~EJBf#8u#R{mUEZrozmm'); * define('NONCE_SALT', 'h`GXHhD>SLWVfg1(1(N{;.V!MoE(SfbA_ksP@&`+AycHcAV$+?@3q+rxV{%^VyKT'); * * * Salting passwords helps against tools which has stored hashed values of * common dictionary strings. The added values makes it harder to crack. * * @since 2.5.0 * * @link https://api.wordpress.org/secret-key/1.1/salt/ Create secrets for wp-config.php * * @param string $scheme Authentication scheme (auth, secure_auth, logged_in, nonce) * @return string Salt value */ function wp_salt( $scheme = 'auth' ) { static $cached_salts = array(); if ( isset( $cached_salts[ $scheme ] ) ) { /** * Filter the WordPress salt. * * @since 2.5.0 * * @param string $cached_salt Cached salt for the given scheme. * @param string $scheme Authentication scheme. Values include 'auth', * 'secure_auth', 'logged_in', and 'nonce'. */ return apply_filters( 'salt', $cached_salts[ $scheme ], $scheme ); } static $duplicated_keys; if ( null === $duplicated_keys ) { $duplicated_keys = array( 'put your unique phrase here' => true ); foreach ( array( 'AUTH', 'SECURE_AUTH', 'LOGGED_IN', 'NONCE', 'SECRET' ) as $first ) { foreach ( array( 'KEY', 'SALT' ) as $second ) { if ( ! defined( "{$first}_{$second}" ) ) { continue; } $value = constant( "{$first}_{$second}" ); $duplicated_keys[ $value ] = isset( $duplicated_keys[ $value ] ); } } } $values = array( 'key' => '', 'salt' => '' ); if ( defined( 'SECRET_KEY' ) && SECRET_KEY && empty( $duplicated_keys[ SECRET_KEY ] ) ) { $values['key'] = SECRET_KEY; } if ( 'auth' == $scheme && defined( 'SECRET_SALT' ) && SECRET_SALT && empty( $duplicated_keys[ SECRET_SALT ] ) ) { $values['salt'] = SECRET_SALT; } if ( in_array( $scheme, array( 'auth', 'secure_auth', 'logged_in', 'nonce' ) ) ) { foreach ( array( 'key', 'salt' ) as $type ) { $const = strtoupper( "{$scheme}_{$type}" ); if ( defined( $const ) && constant( $const ) && empty( $duplicated_keys[ constant( $const ) ] ) ) { $values[ $type ] = constant( $const ); } elseif ( ! $values[ $type ] ) { $values[ $type ] = get_site_option( "{$scheme}_{$type}" ); if ( ! $values[ $type ] ) { $values[ $type ] = wp_generate_password( 64, true, true ); update_site_option( "{$scheme}_{$type}", $values[ $type ] ); } } } } else { if ( ! $values['key'] ) { $values['key'] = get_site_option( 'secret_key' ); if ( ! $values['key'] ) { $values['key'] = wp_generate_password( 64, true, true ); update_site_option( 'secret_key', $values['key'] ); } } $values['salt'] = hash_hmac( 'md5', $scheme, $values['key'] ); } $cached_salts[ $scheme ] = $values['key'] . $values['salt']; /** This filter is documented in wp-includes/pluggable.php */ return apply_filters( 'salt', $cached_salts[ $scheme ], $scheme ); } endif; if ( !function_exists('wp_hash') ) : /** * Get hash of given string. * * @since 2.0.3 * @uses wp_salt() Get WordPress salt * * @param string $data Plain text to hash * @return string Hash of $data */ function wp_hash($data, $scheme = 'auth') { $salt = wp_salt($scheme); return hash_hmac('md5', $data, $salt); } endif; if ( !function_exists('wp_hash_password') ) : /** * Create a hash (encrypt) of a plain text password. * * For integration with other applications, this function can be overwritten to * instead use the other package password checking algorithm. * * @since 2.5.0 * * @global object $wp_hasher PHPass object * @uses PasswordHash::HashPassword * * @param string $password Plain text user password to hash * @return string The hash string of the password */ function wp_hash_password($password) { global $wp_hasher; if ( empty($wp_hasher) ) { require_once( ABSPATH . WPINC . '/class-phpass.php'); // By default, use the portable hash from phpass $wp_hasher = new PasswordHash(8, true); } return $wp_hasher->HashPassword( trim( $password ) ); } endif; if ( !function_exists('wp_check_password') ) : /** * Checks the plaintext password against the encrypted Password. * * Maintains compatibility between old version and the new cookie authentication * protocol using PHPass library. The $hash parameter is the encrypted password * and the function compares the plain text password when encrypted similarly * against the already encrypted password to see if they match. * * For integration with other applications, this function can be overwritten to * instead use the other package password checking algorithm. * * @since 2.5.0 * * @global object $wp_hasher PHPass object used for checking the password * against the $hash + $password * @uses PasswordHash::CheckPassword * * @param string $password Plaintext user's password * @param string $hash Hash of the user's password to check against. * @return bool False, if the $password does not match the hashed password */ function wp_check_password($password, $hash, $user_id = '') { global $wp_hasher; // If the hash is still md5... if ( strlen($hash) <= 32 ) { $check = ( $hash == md5($password) ); if ( $check && $user_id ) { // Rehash using new hash. wp_set_password($password, $user_id); $hash = wp_hash_password($password); } /** * Filter whether the plaintext password matches the encrypted password. * * @since 2.5.0 * * @param bool $check Whether the passwords match. * @param string $hash The hashed password. * @param int $user_id User ID. */ return apply_filters( 'check_password', $check, $password, $hash, $user_id ); } // If the stored hash is longer than an MD5, presume the // new style phpass portable hash. if ( empty($wp_hasher) ) { require_once( ABSPATH . WPINC . '/class-phpass.php'); // By default, use the portable hash from phpass $wp_hasher = new PasswordHash(8, true); } $check = $wp_hasher->CheckPassword($password, $hash); /** This filter is documented in wp-includes/pluggable.php */ return apply_filters( 'check_password', $check, $password, $hash, $user_id ); } endif; if ( !function_exists('wp_generate_password') ) : /** * Generates a random password drawn from the defined set of characters. * * @since 2.5.0 * * @param int $length The length of password to generate * @param bool $special_chars Whether to include standard special characters. Default true. * @param bool $extra_special_chars Whether to include other special characters. Used when * generating secret keys and salts. Default false. * @return string The random password **/ function wp_generate_password( $length = 12, $special_chars = true, $extra_special_chars = false ) { $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'; if ( $special_chars ) $chars .= '!@#$%^&*()'; if ( $extra_special_chars ) $chars .= '-_ []{}<>~`+=,.;:/?|'; $password = ''; for ( $i = 0; $i < $length; $i++ ) { $password .= substr($chars, wp_rand(0, strlen($chars) - 1), 1); } /** * Filter the randomly-generated password. * * @since 3.0.0 * * @param string $password The generated password. */ return apply_filters( 'random_password', $password ); } endif; if ( !function_exists('wp_rand') ) : /** * Generates a random number * * @since 2.6.2 * * @param int $min Lower limit for the generated number * @param int $max Upper limit for the generated number * @return int A random number between min and max */ function wp_rand( $min = 0, $max = 0 ) { global $rnd_value; // Reset $rnd_value after 14 uses // 32(md5) + 40(sha1) + 40(sha1) / 8 = 14 random numbers from $rnd_value if ( strlen($rnd_value) < 8 ) { if ( defined( 'WP_SETUP_CONFIG' ) ) static $seed = ''; else $seed = get_transient('random_seed'); $rnd_value = md5( uniqid(microtime() . mt_rand(), true ) . $seed ); $rnd_value .= sha1($rnd_value); $rnd_value .= sha1($rnd_value . $seed); $seed = md5($seed . $rnd_value); if ( ! defined( 'WP_SETUP_CONFIG' ) ) set_transient('random_seed', $seed); } // Take the first 8 digits for our value $value = substr($rnd_value, 0, 8); // Strip the first eight, leaving the remainder for the next call to wp_rand(). $rnd_value = substr($rnd_value, 8); $value = abs(hexdec($value)); // Some misconfigured 32bit environments (Entropy PHP, for example) truncate integers larger than PHP_INT_MAX to PHP_INT_MAX rather than overflowing them to floats. $max_random_number = 3000000000 === 2147483647 ? (float) "4294967295" : 4294967295; // 4294967295 = 0xffffffff // Reduce the value to be within the min - max range if ( $max != 0 ) $value = $min + ( $max - $min + 1 ) * $value / ( $max_random_number + 1 ); return abs(intval($value)); } endif; |