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| Name | Lines | Methods | CRAP | ||||
|---|---|---|---|---|---|---|---|
| __construct | 100.00% | 1 / 1 | 100.00% | 1 / 1 | 1 | ||
| connect | 75.00% | 24 / 32 | 0.00% | 0 / 1 | 11.56 | ||
| bind | 100.00% | 6 / 6 | 100.00% | 1 / 1 | 4 | ||
| getMail | 100.00% | 1 / 1 | 100.00% | 1 / 1 | 1 | ||
| getLdapData | 97.95% | 48 / 49 | 0.00% | 0 / 1 | 17 | ||
| quote | 100.00% | 1 / 1 | 100.00% | 1 / 1 | 1 | ||
| getDn | 100.00% | 1 / 1 | 100.00% | 1 / 1 | 1 | ||
| getLdapDn | 100.00% | 24 / 24 | 100.00% | 1 / 1 | 7 | ||
| getCompleteName | 100.00% | 1 / 1 | 100.00% | 1 / 1 | 1 | ||
| getGroupMemberships | 97.14% | 34 / 35 | 0.00% | 0 / 1 | 11 | ||
| error | 100.00% | 4 / 4 | 100.00% | 1 / 1 | 2 | ||
| 33 | class Ldap | |
| 34 | { | |
| 35 | /** | |
| 36 | * Error. | |
| 37 | */ | |
| 38 | public ?string $error = null; | |
| 39 | ||
| 40 | /** | |
| 41 | * LDAP error number. | |
| 42 | */ | |
| 43 | public ?int $errno = null; | |
| 44 | ||
| 45 | private readonly array $ldapConfig; | |
| 46 | ||
| 47 | /** | |
| 48 | * The LDAP connection, present after a successful connect(). | |
| 49 | */ | |
| 50 | private ?Connection $ds = null; | |
| 51 | ||
| 52 | /** | |
| 53 | * The LDAP base. | |
| 54 | */ | |
| 55 | private ?string $base = null; | |
| 56 | ||
| 57 | /** | |
| 58 | * Constructor. | |
| 59 | */ | |
| 60 | public function __construct( | |
| 61 | private readonly Configuration $configuration, | |
| 62 | ) { | |
| 63 | $this->ldapConfig = $this->configuration->getLdapConfig(); | |
| 64 | } | |
| 65 | ||
| 66 | /** | |
| 67 | * Connects to a given LDAP server with given credentials. | |
| 68 | */ | |
| 69 | public function connect( | |
| 70 | string $ldapServer, | |
| 71 | int $ldapPort, | |
| 72 | string $ldapBase, | |
| 73 | string $ldapUser = '', | |
| 74 | #[SensitiveParameter] | |
| 75 | string $ldapPassword = '', | |
| 76 | ): bool { | |
| 77 | // Sanity checks | |
| 78 | if ('' === $ldapServer || '' === $ldapBase) { | |
| 79 | return false; | |
| 80 | } | |
| 81 | ||
| 82 | $this->base = $ldapBase; | |
| 83 | $connection = ldap_connect($ldapServer . ':' . $ldapPort); | |
| 84 | ||
| 85 | if (!$connection instanceof Connection) { | |
| 86 | $this->error = 'Unable to connect to LDAP server'; | |
| 87 | $this->ds = null; | |
| 88 | ||
| 89 | return false; | |
| 90 | } | |
| 91 | ||
| 92 | $this->ds = $connection; | |
| 93 | ||
| 94 | // Set LDAP options | |
| 95 | foreach ($this->configuration->getLdapOptions() as $key => $ldapOption) { | |
| 96 | if (ldap_set_option($connection, (int) constant($key), $ldapOption)) { | |
| 97 | continue; | |
| 98 | } | |
| 99 | ||
| 100 | $this->errno = ldap_errno($connection); | |
| 101 | $errorMessage = 'Unable to set LDAP option "%s" to "%s" (Error: %s).'; | |
| 102 | $this->error = sprintf($errorMessage, $key, print_r($ldapOption, return: true), ldap_error($connection)); | |
| 103 | ||
| 104 | return false; | |
| 105 | } | |
| 106 | ||
| 107 | $ldapBind = match (true) { | |
| 108 | true === $this->configuration->get(item: 'ldap.ldap_use_dynamic_login') => $this->bind( | |
| 109 | (string) $this->configuration->get(item: 'ldap.ldap_dynamic_login_attribute') | |
| 110 | . '=' | |
| 111 | . $ldapUser | |
| 112 | . ',' | |
| 113 | . $ldapBase, | |
| 114 | $ldapPassword, | |
| 115 | ), | |
| 116 | true === $this->configuration->get(item: 'ldap.ldap_use_anonymous_login') => $this->bind(), | |
| 117 | default => $this->bind($ldapUser, $ldapPassword), | |
| 118 | }; | |
| 119 | ||
| 120 | if (false === $ldapBind) { | |
| 121 | $this->errno = ldap_errno($connection); | |
| 122 | $this->error = sprintf('Unable to bind to LDAP server (Error: %s).', ldap_error($connection)); | |
| 123 | $this->ds = null; | |
| 124 | ||
| 125 | return false; | |
| 126 | } | |
| 127 | ||
| 128 | return true; | |
| 129 | } | |
| 130 | ||
| 131 | /** | |
| 132 | * Binds to the LDAP directory with specified RDN and password. | |
| 133 | */ | |
| 134 | /* @mago-expect lint:no-error-control-operator - ldap_bind raises warnings instead of exceptions; the boolean result is the error signal */ | |
| 135 | public function bind(string $rdn = '', #[SensitiveParameter] string $password = ''): bool | |
| 136 | { | |
| 137 | if (!$this->ds instanceof Connection) { | |
| 138 | $this->error = 'The LDAP connection handler is not a valid resource.'; | |
| 139 | ||
| 140 | return false; | |
| 141 | } | |
| 142 | ||
| 143 | if ('' === $rdn && '' === $password) { | |
| 144 | return @ldap_bind($this->ds, dn: null, password: null); | |
| 145 | } | |
| 146 | ||
| 147 | return @ldap_bind($this->ds, $rdn, $password); | |
| 148 | } | |
| 149 | ||
| 150 | /** | |
| 151 | * Returns the user's email address from LDAP. | |
| 152 | * | |
| 153 | * @param string $username Username | |
| 154 | */ | |
| 155 | public function getMail(string $username): bool|string | |
| 156 | { | |
| 157 | return $this->getLdapData($username, data: 'mail'); | |
| 158 | } | |
| 159 | ||
| 160 | /** | |
| 161 | * Returns specific data from LDAP. | |
| 162 | * | |
| 163 | * @param string $username Username | |
| 164 | * @param string $data MapKey | |
| 165 | */ | |
| 166 | /* @mago-expect lint:no-error-control-operator - ldap_search raises warnings instead of exceptions; failures are reported via $this->error */ | |
| 167 | private function getLdapData(string $username, string $data): bool|string | |
| 168 | { | |
| 169 | $connection = $this->ds; | |
| 170 | if (!$connection instanceof Connection) { | |
| 171 | $this->error = 'The LDAP connection handler is not a valid resource.'; | |
| 172 | ||
| 173 | return false; | |
| 174 | } | |
| 175 | ||
| 176 | $base = $this->base; | |
| 177 | if ($base === null || $base === '') { | |
| 178 | $this->error = 'LDAP base DN is not configured.'; | |
| 179 | ||
| 180 | return false; | |
| 181 | } | |
| 182 | ||
| 183 | $mapping = $this->ldapConfig['ldap_mapping'] ?? null; | |
| 184 | if (!is_array($mapping) || !array_key_exists($data, $mapping)) { | |
| 185 | $errorMessage = 'The requested data field "%s" does not exist in LDAP mapping configuration.'; | |
| 186 | $this->error = sprintf($errorMessage, $data); | |
| 187 | ||
| 188 | return false; | |
| 189 | } | |
| 190 | ||
| 191 | $comparison = '(%s=%s)'; | |
| 192 | $filter = sprintf( | |
| 193 | $comparison, | |
| 194 | (string) $this->configuration->get(item: 'ldap.ldap_mapping.username'), | |
| 195 | $this->quote($username), | |
| 196 | ); | |
| 197 | ||
| 198 | if ($this->configuration->get(item: 'ldap.ldap_use_memberOf')) { | |
| 199 | $comparison = '(&%s(memberOf:1.2.840.113556.1.4.1941:=%s))'; | |
| 200 | $filter = sprintf( | |
| 201 | $comparison, | |
| 202 | $filter, | |
| 203 | (string) $this->configuration->get(item: 'ldap.ldap_mapping.memberOf'), | |
| 204 | ); | |
| 205 | } | |
| 206 | ||
| 207 | $field = (string) $mapping[$data]; | |
| 208 | ||
| 209 | $searchResult = @ldap_search($connection, $base, $filter, [$field]); | |
| 210 | ||
| 211 | if (!$searchResult || is_array($searchResult)) { | |
| 212 | $errorMessage = 'Unable to search for "%s" (Error: %s)'; | |
| 213 | $this->error = sprintf($errorMessage, $username, ldap_error($connection)); | |
| 214 | ||
| 215 | return false; | |
| 216 | } | |
| 217 | ||
| 218 | $entryId = ldap_first_entry($connection, $searchResult); | |
| 219 | ||
| 220 | if (!$entryId) { | |
| 221 | $this->errno = ldap_errno($connection); | |
| 222 | $this->error = sprintf('Cannot get the value(s). Error: %s', ldap_error($connection)); | |
| 223 | ||
| 224 | return false; | |
| 225 | } | |
| 226 | ||
| 227 | $entries = ldap_get_entries($connection, $searchResult); | |
| 228 | if ($entries === false) { | |
| 229 | return false; | |
| 230 | } | |
| 231 | ||
| 232 | for ($i = 0; $i < (int) $entries['count']; ++$i) { | |
| 233 | if ( | |
| 234 | !array_key_exists($i, $entries) | |
| 235 | || !is_array($entries[$i]) | |
| 236 | || !array_key_exists($field, $entries[$i]) | |
| 237 | || !is_array($entries[$i][$field]) | |
| 238 | || !array_key_exists(0, $entries[$i][$field]) | |
| 239 | ) { | |
| 240 | continue; | |
| 241 | } | |
| 242 | ||
| 243 | return (string) $entries[$i][$field][0]; | |
| 244 | } | |
| 245 | ||
| 246 | return false; | |
| 247 | } | |
| 248 | ||
| 249 | /** | |
| 250 | * Quotes LDAP strings in accordance with the RFC 2254. | |
| 251 | */ | |
| 252 | public function quote(string $string): string | |
| 253 | { | |
| 254 | return str_replace(['\\', ' ', '*', '(', ')'], ['\\5c', '\\20', '\\2a', '\\28', '\\29'], $string); | |
| 255 | } | |
| 256 | ||
| 257 | /** | |
| 258 | * Returns the user's DN. | |
| 259 | * | |
| 260 | * @param string $username Username | |
| 261 | */ | |
| 262 | public function getDn(string $username): bool|string | |
| 263 | { | |
| 264 | return $this->getLdapDn($username); | |
| 265 | } | |
| 266 | ||
| 267 | /** | |
| 268 | * Returns the DN from LDAP. | |
| 269 | * | |
| 270 | * @param string $username Username | |
| 271 | */ | |
| 272 | /* @mago-expect lint:no-error-control-operator - ldap_search raises warnings instead of exceptions; failures are reported via $this->error */ | |
| 273 | private function getLdapDn(string $username): string|false | |
| 274 | { | |
| 275 | $connection = $this->ds; | |
| 276 | if (!$connection instanceof Connection) { | |
| 277 | $this->error = 'The LDAP connection handler is not a valid resource.'; | |
| 278 | ||
| 279 | return false; | |
| 280 | } | |
| 281 | ||
| 282 | $base = $this->base; | |
| 283 | if ($base === null || $base === '') { | |
| 284 | $this->error = 'LDAP base DN is not configured.'; | |
| 285 | ||
| 286 | return false; | |
| 287 | } | |
| 288 | ||
| 289 | $comparison = '(%s=%s)'; | |
| 290 | $filter = sprintf( | |
| 291 | $comparison, | |
| 292 | (string) $this->configuration->get(item: 'ldap.ldap_mapping.username'), | |
| 293 | $this->quote($username), | |
| 294 | ); | |
| 295 | $sr = @ldap_search($connection, $base, $filter); | |
| 296 | ||
| 297 | if (false === $sr || is_array($sr)) { | |
| 298 | $errorMessage = 'Unable to search for "%s" (Error: %s)'; | |
| 299 | $this->error = sprintf($errorMessage, $username, ldap_error($connection)); | |
| 300 | ||
| 301 | return false; | |
| 302 | } | |
| 303 | ||
| 304 | $entryId = ldap_first_entry($connection, $sr); | |
| 305 | ||
| 306 | if (false === $entryId) { | |
| 307 | $this->error = sprintf('Cannot get the value(s). Error: %s', ldap_error($connection)); | |
| 308 | ||
| 309 | return false; | |
| 310 | } | |
| 311 | ||
| 312 | return ldap_get_dn($connection, $entryId); | |
| 313 | } | |
| 314 | ||
| 315 | /** | |
| 316 | * Returns the user's full name from LDAP. | |
| 317 | * | |
| 318 | * @param string $username Username | |
| 319 | */ | |
| 320 | public function getCompleteName(string $username): bool|string | |
| 321 | { | |
| 322 | return $this->getLdapData($username, data: 'name'); | |
| 323 | } | |
| 324 | ||
| 325 | /** | |
| 326 | * Returns the user's AD group memberships. | |
| 327 | * | |
| 328 | * @param string $username Username | |
| 329 | * @return array<string>|false Array of group DNs or false on error | |
| 330 | */ | |
| 331 | /* @mago-expect lint:no-error-control-operator - ldap_search raises warnings instead of exceptions; failures are reported via $this->error */ | |
| 332 | public function getGroupMemberships(string $username): array|false | |
| 333 | { | |
| 334 | $connection = $this->ds; | |
| 335 | if (!$connection instanceof Connection) { | |
| 336 | $this->error = 'The LDAP connection handler is not a valid resource.'; | |
| 337 | return false; | |
| 338 | } | |
| 339 | ||
| 340 | $base = $this->base; | |
| 341 | if ($base === null || $base === '') { | |
| 342 | $this->error = 'LDAP base DN is not configured.'; | |
| 343 | return false; | |
| 344 | } | |
| 345 | ||
| 346 | $comparison = '(%s=%s)'; | |
| 347 | $filter = sprintf( | |
| 348 | $comparison, | |
| 349 | (string) $this->configuration->get(item: 'ldap.ldap_mapping.username'), | |
| 350 | $this->quote($username), | |
| 351 | ); | |
| 352 | ||
| 353 | $fields = ['memberOf']; | |
| 354 | ||
| 355 | $searchResult = @ldap_search($connection, $base, $filter, $fields); | |
| 356 | ||
| 357 | if (!$searchResult || is_array($searchResult)) { | |
| 358 | $errorMessage = 'Unable to search for "%s" (Error: %s)'; | |
| 359 | $this->error = sprintf($errorMessage, $username, ldap_error($connection)); | |
| 360 | ||
| 361 | return false; | |
| 362 | } | |
| 363 | ||
| 364 | $entryId = ldap_first_entry($connection, $searchResult); | |
| 365 | ||
| 366 | if (!$entryId) { | |
| 367 | $this->errno = ldap_errno($connection); | |
| 368 | $this->error = sprintf('Cannot get the value(s). Error: %s', ldap_error($connection)); | |
| 369 | ||
| 370 | return false; | |
| 371 | } | |
| 372 | ||
| 373 | $entries = ldap_get_entries($connection, $searchResult); | |
| 374 | $groups = []; | |
| 375 | if ($entries === false) { | |
| 376 | return $groups; | |
| 377 | } | |
| 378 | ||
| 379 | $memberOf = $entries[0]['memberof'] ?? null; | |
| 380 | if ((int) $entries['count'] > 0 && is_array($memberOf)) { | |
| 381 | $memberOfCount = (int) ($memberOf['count'] ?? 0); | |
| 382 | for ($i = 0; $i < $memberOfCount; $i++) { | |
| 383 | $groups[] = (string) $memberOf[$i]; | |
| 384 | } | |
| 385 | } | |
| 386 | ||
| 387 | return $groups; | |
| 388 | } | |
| 389 | ||
| 390 | /** | |
| 391 | * Returns the LDAP error message of the last LDAP command. | |
| 392 | */ | |
| 393 | public function error(?Connection $ds = null): string | |
| 394 | { | |
| 395 | $connection = $ds ?? $this->ds; | |
| 396 | if (!$connection instanceof Connection) { | |
| 397 | return 'The LDAP connection handler is not a valid resource.'; | |
| 398 | } | |
| 399 | ||
| 400 | return ldap_error($connection); | |
| 401 | } | |
| 402 | } |