.htaccess
9 months ago
Attribute.php
9 months ago
FileType.php
9 months ago
OpenFlag.php
9 months ago
OpenFlag5.php
9 months ago
PacketType.php
9 months ago
StatusCode.php
9 months ago
Stream.php
9 months ago
index.html
9 months ago
web.config
9 months ago
Stream.php
668 lines
| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * SFTP Stream Wrapper |
| 5 | * |
| 6 | * Creates an sftp:// protocol handler that can be used with, for example, fopen(), dir(), etc. |
| 7 | * |
| 8 | * PHP version 5 |
| 9 | * |
| 10 | * @author Jim Wigginton <terrafrost@php.net> |
| 11 | * @copyright 2013 Jim Wigginton |
| 12 | * @license http://www.opensource.org/licenses/mit-license.html MIT License |
| 13 | * @link http://phpseclib.sourceforge.net |
| 14 | */ |
| 15 | |
| 16 | declare(strict_types=1); |
| 17 | |
| 18 | namespace phpseclib3\Net\SFTP; |
| 19 | |
| 20 | use phpseclib3\Crypt\Common\PrivateKey; |
| 21 | use phpseclib3\Net\SFTP; |
| 22 | use phpseclib3\Net\SSH2; |
| 23 | use phpseclib3\Net\SSH2\MessageType as SSH2MessageType; |
| 24 | |
| 25 | /** |
| 26 | * SFTP Stream Wrapper |
| 27 | * |
| 28 | * @author Jim Wigginton <terrafrost@php.net> |
| 29 | */ |
| 30 | class Stream |
| 31 | { |
| 32 | /** |
| 33 | * SFTP instances |
| 34 | * |
| 35 | * Rather than re-create the connection we re-use instances if possible |
| 36 | */ |
| 37 | public static array $instances; |
| 38 | |
| 39 | /** |
| 40 | * SFTP instance |
| 41 | */ |
| 42 | private SFTP $sftp; |
| 43 | |
| 44 | /** |
| 45 | * Path |
| 46 | */ |
| 47 | private string $path; |
| 48 | |
| 49 | /** |
| 50 | * Mode |
| 51 | */ |
| 52 | private string $mode; |
| 53 | |
| 54 | /** |
| 55 | * Position |
| 56 | */ |
| 57 | private int $pos; |
| 58 | |
| 59 | /** |
| 60 | * Size |
| 61 | */ |
| 62 | private int|false $size; |
| 63 | |
| 64 | /** |
| 65 | * Directory entries |
| 66 | */ |
| 67 | private array $entries; |
| 68 | |
| 69 | /** |
| 70 | * EOF flag |
| 71 | */ |
| 72 | private bool $eof; |
| 73 | |
| 74 | /** |
| 75 | * Context resource |
| 76 | * |
| 77 | * Technically this needs to be publicly accessible so PHP can set it directly |
| 78 | * |
| 79 | * @var resource |
| 80 | */ |
| 81 | public $context; |
| 82 | |
| 83 | /** |
| 84 | * Notification callback function |
| 85 | * |
| 86 | * @var callable |
| 87 | */ |
| 88 | private $notification; |
| 89 | |
| 90 | /** |
| 91 | * Registers this class as a URL wrapper. |
| 92 | * |
| 93 | * @param string $protocol The wrapper name to be registered. |
| 94 | * @return bool True on success, false otherwise. |
| 95 | */ |
| 96 | public static function register(string $protocol = 'sftp'): bool |
| 97 | { |
| 98 | if (in_array($protocol, stream_get_wrappers(), true)) { |
| 99 | return false; |
| 100 | } |
| 101 | return stream_wrapper_register($protocol, get_called_class()); |
| 102 | } |
| 103 | |
| 104 | /** |
| 105 | * The Constructor |
| 106 | */ |
| 107 | public function __construct() |
| 108 | { |
| 109 | if (defined('NET_SFTP_STREAM_LOGGING')) { |
| 110 | echo "__construct()\r\n"; |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | /** |
| 115 | * Path Parser |
| 116 | * |
| 117 | * Extract a path from a URI and actually connect to an SSH server if appropriate |
| 118 | * |
| 119 | * If "notification" is set as a context parameter the message code for successful login is |
| 120 | * SSHMsg::USERAUTH_SUCCESS. For a failed login it's SSHMsg::USERAUTH_FAILURE. |
| 121 | * |
| 122 | * @return string |
| 123 | */ |
| 124 | protected function parse_path(string $path) |
| 125 | { |
| 126 | $orig = $path; |
| 127 | extract(parse_url($path) + ['port' => 22]); |
| 128 | if (isset($query)) { |
| 129 | $path .= '?' . $query; |
| 130 | } elseif (preg_match('/(\?|\?#)$/', $orig)) { |
| 131 | $path .= '?'; |
| 132 | } |
| 133 | if (isset($fragment)) { |
| 134 | $path .= '#' . $fragment; |
| 135 | } elseif ($orig[-1] == '#') { |
| 136 | $path .= '#'; |
| 137 | } |
| 138 | |
| 139 | if (!isset($host)) { |
| 140 | return false; |
| 141 | } |
| 142 | |
| 143 | if (isset($this->context)) { |
| 144 | $context = stream_context_get_params($this->context); |
| 145 | if (isset($context['notification'])) { |
| 146 | $this->notification = $context['notification']; |
| 147 | } |
| 148 | } |
| 149 | |
| 150 | if (preg_match('/^{[a-z0-9]+}$/i', $host)) { |
| 151 | $host = SSH2::getConnectionByResourceId($host); |
| 152 | if ($host === null) { |
| 153 | return false; |
| 154 | } |
| 155 | $this->sftp = $host; |
| 156 | } else { |
| 157 | if (isset($this->context)) { |
| 158 | $context = stream_context_get_options($this->context); |
| 159 | } |
| 160 | if (isset($context[$scheme]['session'])) { |
| 161 | $sftp = $context[$scheme]['session']; |
| 162 | } |
| 163 | if (isset($context[$scheme]['sftp'])) { |
| 164 | $sftp = $context[$scheme]['sftp']; |
| 165 | } |
| 166 | if (isset($sftp) && $sftp instanceof SFTP) { |
| 167 | $this->sftp = $sftp; |
| 168 | return $path; |
| 169 | } |
| 170 | if (isset($context[$scheme]['username'])) { |
| 171 | $user = $context[$scheme]['username']; |
| 172 | } |
| 173 | if (isset($context[$scheme]['password'])) { |
| 174 | $pass = $context[$scheme]['password']; |
| 175 | } |
| 176 | if (isset($context[$scheme]['privkey']) && $context[$scheme]['privkey'] instanceof PrivateKey) { |
| 177 | $pass = $context[$scheme]['privkey']; |
| 178 | } |
| 179 | |
| 180 | if (!isset($user) || !isset($pass)) { |
| 181 | return false; |
| 182 | } |
| 183 | |
| 184 | // casting $pass to a string is necessary in the event that it's a \phpseclib3\Crypt\RSA object |
| 185 | if (isset(self::$instances[$host][$port][$user][(string) $pass])) { |
| 186 | $this->sftp = self::$instances[$host][$port][$user][(string) $pass]; |
| 187 | } else { |
| 188 | $this->sftp = new SFTP($host, $port); |
| 189 | $this->sftp->disableStatCache(); |
| 190 | if (isset($this->notification) && is_callable($this->notification)) { |
| 191 | /* if !is_callable($this->notification) we could do this: |
| 192 | |
| 193 | user_error('fopen(): failed to call user notifier', E_USER_WARNING); |
| 194 | |
| 195 | the ftp wrapper gives errors like that when the notifier isn't callable. |
| 196 | i've opted not to do that, however, since the ftp wrapper gives the line |
| 197 | on which the fopen occurred as the line number - not the line that the |
| 198 | user_error is on. |
| 199 | */ |
| 200 | call_user_func($this->notification, STREAM_NOTIFY_CONNECT, STREAM_NOTIFY_SEVERITY_INFO, '', 0, 0, 0); |
| 201 | call_user_func($this->notification, STREAM_NOTIFY_AUTH_REQUIRED, STREAM_NOTIFY_SEVERITY_INFO, '', 0, 0, 0); |
| 202 | if (!$this->sftp->login($user, $pass)) { |
| 203 | call_user_func($this->notification, STREAM_NOTIFY_AUTH_RESULT, STREAM_NOTIFY_SEVERITY_ERR, 'Login Failure', SSH2MessageType::USERAUTH_FAILURE, 0, 0); |
| 204 | return false; |
| 205 | } |
| 206 | call_user_func($this->notification, STREAM_NOTIFY_AUTH_RESULT, STREAM_NOTIFY_SEVERITY_INFO, 'Login Success', SSH2MessageType::USERAUTH_SUCCESS, 0, 0); |
| 207 | } else { |
| 208 | if (!$this->sftp->login($user, $pass)) { |
| 209 | return false; |
| 210 | } |
| 211 | } |
| 212 | self::$instances[$host][$port][$user][(string) $pass] = $this->sftp; |
| 213 | } |
| 214 | } |
| 215 | |
| 216 | return $path; |
| 217 | } |
| 218 | |
| 219 | /** |
| 220 | * Opens file or URL |
| 221 | */ |
| 222 | private function _stream_open(string $path, string $mode): bool |
| 223 | { |
| 224 | $path = $this->parse_path($path); |
| 225 | |
| 226 | if ($path === false) { |
| 227 | return false; |
| 228 | } |
| 229 | $this->path = $path; |
| 230 | |
| 231 | $this->size = $this->sftp->filesize($path); |
| 232 | $this->mode = preg_replace('#[bt]$#', '', $mode); |
| 233 | $this->eof = false; |
| 234 | |
| 235 | if ($this->size === false) { |
| 236 | if ($this->mode[0] == 'r') { |
| 237 | return false; |
| 238 | } else { |
| 239 | $this->sftp->touch($path); |
| 240 | $this->size = 0; |
| 241 | } |
| 242 | } else { |
| 243 | switch ($this->mode[0]) { |
| 244 | case 'x': |
| 245 | return false; |
| 246 | case 'w': |
| 247 | $this->sftp->truncate($path, 0); |
| 248 | $this->size = 0; |
| 249 | } |
| 250 | } |
| 251 | |
| 252 | $this->pos = $this->mode[0] != 'a' ? 0 : $this->size; |
| 253 | |
| 254 | return true; |
| 255 | } |
| 256 | |
| 257 | /** |
| 258 | * Read from stream |
| 259 | */ |
| 260 | private function _stream_read(int $count) |
| 261 | { |
| 262 | switch ($this->mode) { |
| 263 | case 'w': |
| 264 | case 'a': |
| 265 | case 'x': |
| 266 | case 'c': |
| 267 | return false; |
| 268 | } |
| 269 | |
| 270 | // commented out because some files - eg. /dev/urandom - will say their size is 0 when in fact it's kinda infinite |
| 271 | //if ($this->pos >= $this->size) { |
| 272 | // $this->eof = true; |
| 273 | // return false; |
| 274 | //} |
| 275 | |
| 276 | $result = $this->sftp->get($this->path, false, $this->pos, $count); |
| 277 | if (isset($this->notification) && is_callable($this->notification)) { |
| 278 | if ($result === false) { |
| 279 | call_user_func($this->notification, STREAM_NOTIFY_FAILURE, STREAM_NOTIFY_SEVERITY_ERR, $this->sftp->getLastSFTPError(), PacketType::OPEN, 0, 0); |
| 280 | return 0; |
| 281 | } |
| 282 | // seems that PHP calls stream_read in 8k chunks |
| 283 | call_user_func($this->notification, STREAM_NOTIFY_PROGRESS, STREAM_NOTIFY_SEVERITY_INFO, '', 0, strlen($result), $this->size); |
| 284 | } |
| 285 | |
| 286 | if (empty($result)) { // ie. false or empty string |
| 287 | $this->eof = true; |
| 288 | return false; |
| 289 | } |
| 290 | $this->pos += strlen($result); |
| 291 | |
| 292 | return $result; |
| 293 | } |
| 294 | |
| 295 | /** |
| 296 | * Write to stream |
| 297 | * |
| 298 | * @return int|false |
| 299 | */ |
| 300 | private function _stream_write(string $data) |
| 301 | { |
| 302 | switch ($this->mode) { |
| 303 | case 'r': |
| 304 | return false; |
| 305 | } |
| 306 | |
| 307 | $result = $this->sftp->put($this->path, $data, SFTP::SOURCE_STRING, $this->pos); |
| 308 | if (isset($this->notification) && is_callable($this->notification)) { |
| 309 | if (!$result) { |
| 310 | call_user_func($this->notification, STREAM_NOTIFY_FAILURE, STREAM_NOTIFY_SEVERITY_ERR, $this->sftp->getLastSFTPError(), PacketType::OPEN, 0, 0); |
| 311 | return 0; |
| 312 | } |
| 313 | // seems that PHP splits up strings into 8k blocks before calling stream_write |
| 314 | call_user_func($this->notification, STREAM_NOTIFY_PROGRESS, STREAM_NOTIFY_SEVERITY_INFO, '', 0, strlen($data), strlen($data)); |
| 315 | } |
| 316 | |
| 317 | if ($result === false) { |
| 318 | return false; |
| 319 | } |
| 320 | $this->pos += strlen($data); |
| 321 | if ($this->pos > $this->size) { |
| 322 | $this->size = $this->pos; |
| 323 | } |
| 324 | $this->eof = false; |
| 325 | return strlen($data); |
| 326 | } |
| 327 | |
| 328 | /** |
| 329 | * Retrieve the current position of a stream |
| 330 | */ |
| 331 | private function _stream_tell(): int |
| 332 | { |
| 333 | return $this->pos; |
| 334 | } |
| 335 | |
| 336 | /** |
| 337 | * Tests for end-of-file on a file pointer |
| 338 | * |
| 339 | * In my testing there are four classes functions that normally effect the pointer: |
| 340 | * fseek, fputs / fwrite, fgets / fread and ftruncate. |
| 341 | * |
| 342 | * Only fgets / fread, however, results in feof() returning true. do fputs($fp, 'aaa') on a blank file and feof() |
| 343 | * will return false. do fread($fp, 1) and feof() will then return true. do fseek($fp, 10) on ablank file and feof() |
| 344 | * will return false. do fread($fp, 1) and feof() will then return true. |
| 345 | */ |
| 346 | private function _stream_eof(): bool |
| 347 | { |
| 348 | return $this->eof; |
| 349 | } |
| 350 | |
| 351 | /** |
| 352 | * Seeks to specific location in a stream |
| 353 | */ |
| 354 | private function _stream_seek(int $offset, int $whence): bool |
| 355 | { |
| 356 | switch ($whence) { |
| 357 | case SEEK_SET: |
| 358 | if ($offset < 0) { |
| 359 | return false; |
| 360 | } |
| 361 | break; |
| 362 | case SEEK_CUR: |
| 363 | $offset += $this->pos; |
| 364 | break; |
| 365 | case SEEK_END: |
| 366 | $offset += $this->size; |
| 367 | } |
| 368 | |
| 369 | $this->pos = $offset; |
| 370 | $this->eof = false; |
| 371 | return true; |
| 372 | } |
| 373 | |
| 374 | /** |
| 375 | * Change stream options |
| 376 | */ |
| 377 | private function _stream_metadata(string $path, int $option, $var): bool |
| 378 | { |
| 379 | $path = $this->parse_path($path); |
| 380 | if ($path === false) { |
| 381 | return false; |
| 382 | } |
| 383 | |
| 384 | // stream_metadata was introduced in PHP 5.4.0 but as of 5.4.11 the constants haven't been defined |
| 385 | // see http://www.php.net/streamwrapper.stream-metadata and https://bugs.php.net/64246 |
| 386 | // and https://github.com/php/php-src/blob/master/main/php_streams.h#L592 |
| 387 | switch ($option) { |
| 388 | case 1: // PHP_STREAM_META_TOUCH |
| 389 | $time = $var[0] ?? null; |
| 390 | $atime = $var[1] ?? null; |
| 391 | return $this->sftp->touch($path, $time, $atime); |
| 392 | case 2: // PHP_STREAM_OWNER_NAME |
| 393 | case 3: // PHP_STREAM_GROUP_NAME |
| 394 | return false; |
| 395 | case 4: // PHP_STREAM_META_OWNER |
| 396 | return $this->sftp->chown($path, $var); |
| 397 | case 5: // PHP_STREAM_META_GROUP |
| 398 | return $this->sftp->chgrp($path, $var); |
| 399 | case 6: // PHP_STREAM_META_ACCESS |
| 400 | return $this->sftp->chmod($path, $var) !== false; |
| 401 | } |
| 402 | } |
| 403 | |
| 404 | /** |
| 405 | * Retrieve the underlaying resource |
| 406 | * |
| 407 | * @return resource |
| 408 | */ |
| 409 | private function _stream_cast(int $cast_as) |
| 410 | { |
| 411 | return $this->sftp->fsock; |
| 412 | } |
| 413 | |
| 414 | /** |
| 415 | * Advisory file locking |
| 416 | */ |
| 417 | private function _stream_lock(int $operation): bool |
| 418 | { |
| 419 | return false; |
| 420 | } |
| 421 | |
| 422 | /** |
| 423 | * Renames a file or directory |
| 424 | * |
| 425 | * Attempts to rename oldname to newname, moving it between directories if necessary. |
| 426 | * If newname exists, it will be overwritten. This is a departure from what \phpseclib3\Net\SFTP |
| 427 | * does. |
| 428 | */ |
| 429 | private function _rename(string $path_from, string $path_to): bool |
| 430 | { |
| 431 | $path1 = parse_url($path_from); |
| 432 | $path2 = parse_url($path_to); |
| 433 | unset($path1['path'], $path2['path']); |
| 434 | if ($path1 != $path2) { |
| 435 | return false; |
| 436 | } |
| 437 | |
| 438 | $path_from = $this->parse_path($path_from); |
| 439 | $path_to = parse_url($path_to); |
| 440 | if ($path_from === false) { |
| 441 | return false; |
| 442 | } |
| 443 | |
| 444 | $path_to = $path_to['path']; // the $component part of parse_url() was added in PHP 5.1.2 |
| 445 | // "It is an error if there already exists a file with the name specified by newpath." |
| 446 | // -- http://tools.ietf.org/html/draft-ietf-secsh-filexfer-02#section-6.5 |
| 447 | if (!$this->sftp->rename($path_from, $path_to)) { |
| 448 | if ($this->sftp->stat($path_to)) { |
| 449 | return $this->sftp->delete($path_to, true) && $this->sftp->rename($path_from, $path_to); |
| 450 | } |
| 451 | return false; |
| 452 | } |
| 453 | |
| 454 | return true; |
| 455 | } |
| 456 | |
| 457 | /** |
| 458 | * Open directory handle |
| 459 | * |
| 460 | * The only $options is "whether or not to enforce safe_mode (0x04)". Since safe mode was deprecated in 5.3 and |
| 461 | * removed in 5.4 I'm just going to ignore it. |
| 462 | * |
| 463 | * Also, nlist() is the best that this function is realistically going to be able to do. When an SFTP client |
| 464 | * sends a SSH_FXP_READDIR packet you don't generally get info on just one file but on multiple files. Quoting |
| 465 | * the SFTP specs: |
| 466 | * |
| 467 | * The SSH_FXP_NAME response has the following format: |
| 468 | * |
| 469 | * uint32 id |
| 470 | * uint32 count |
| 471 | * repeats count times: |
| 472 | * string filename |
| 473 | * string longname |
| 474 | * ATTRS attrs |
| 475 | */ |
| 476 | private function _dir_opendir(string $path, int $options): bool |
| 477 | { |
| 478 | $path = $this->parse_path($path); |
| 479 | if ($path === false) { |
| 480 | return false; |
| 481 | } |
| 482 | $this->pos = 0; |
| 483 | $this->entries = $this->sftp->nlist($path); |
| 484 | return $this->entries !== false; |
| 485 | } |
| 486 | |
| 487 | /** |
| 488 | * Read entry from directory handle |
| 489 | */ |
| 490 | private function _dir_readdir() |
| 491 | { |
| 492 | if (isset($this->entries[$this->pos])) { |
| 493 | return $this->entries[$this->pos++]; |
| 494 | } |
| 495 | return false; |
| 496 | } |
| 497 | |
| 498 | /** |
| 499 | * Rewind directory handle |
| 500 | */ |
| 501 | private function _dir_rewinddir(): bool |
| 502 | { |
| 503 | $this->pos = 0; |
| 504 | return true; |
| 505 | } |
| 506 | |
| 507 | /** |
| 508 | * Close directory handle |
| 509 | */ |
| 510 | private function _dir_closedir(): bool |
| 511 | { |
| 512 | return true; |
| 513 | } |
| 514 | |
| 515 | /** |
| 516 | * Create a directory |
| 517 | * |
| 518 | * Only valid $options is STREAM_MKDIR_RECURSIVE |
| 519 | */ |
| 520 | private function _mkdir(string $path, int $mode, int $options): bool |
| 521 | { |
| 522 | $path = $this->parse_path($path); |
| 523 | if ($path === false) { |
| 524 | return false; |
| 525 | } |
| 526 | |
| 527 | return $this->sftp->mkdir($path, $mode, $options & STREAM_MKDIR_RECURSIVE); |
| 528 | } |
| 529 | |
| 530 | /** |
| 531 | * Removes a directory |
| 532 | * |
| 533 | * Only valid $options is STREAM_MKDIR_RECURSIVE per <http://php.net/streamwrapper.rmdir>, however, |
| 534 | * <http://php.net/rmdir> does not have a $recursive parameter as mkdir() does so I don't know how |
| 535 | * STREAM_MKDIR_RECURSIVE is supposed to be set. Also, when I try it out with rmdir() I get 8 as |
| 536 | * $options. What does 8 correspond to? |
| 537 | */ |
| 538 | private function _rmdir(string $path, int $options): bool |
| 539 | { |
| 540 | $path = $this->parse_path($path); |
| 541 | if ($path === false) { |
| 542 | return false; |
| 543 | } |
| 544 | |
| 545 | return $this->sftp->rmdir($path); |
| 546 | } |
| 547 | |
| 548 | /** |
| 549 | * Flushes the output |
| 550 | * |
| 551 | * See <http://php.net/fflush>. Always returns true because \phpseclib3\Net\SFTP doesn't cache stuff before writing |
| 552 | */ |
| 553 | private function _stream_flush(): bool |
| 554 | { |
| 555 | return true; |
| 556 | } |
| 557 | |
| 558 | /** |
| 559 | * Retrieve information about a file resource |
| 560 | */ |
| 561 | private function _stream_stat(): bool |
| 562 | { |
| 563 | $results = $this->sftp->stat($this->path); |
| 564 | if ($results === false) { |
| 565 | return false; |
| 566 | } |
| 567 | return $results; |
| 568 | } |
| 569 | |
| 570 | /** |
| 571 | * Delete a file |
| 572 | */ |
| 573 | private function _unlink(string $path): bool |
| 574 | { |
| 575 | $path = $this->parse_path($path); |
| 576 | if ($path === false) { |
| 577 | return false; |
| 578 | } |
| 579 | |
| 580 | return $this->sftp->delete($path, false); |
| 581 | } |
| 582 | |
| 583 | /** |
| 584 | * Retrieve information about a file |
| 585 | * |
| 586 | * Ignores the STREAM_URL_STAT_QUIET flag because the entirety of \phpseclib3\Net\SFTP\Stream is quiet by default |
| 587 | * might be worthwhile to reconstruct bits 12-16 (ie. the file type) if mode doesn't have them but we'll |
| 588 | * cross that bridge when and if it's reached |
| 589 | */ |
| 590 | private function _url_stat(string $path, int $flags): bool |
| 591 | { |
| 592 | $path = $this->parse_path($path); |
| 593 | if ($path === false) { |
| 594 | return false; |
| 595 | } |
| 596 | |
| 597 | $results = $flags & STREAM_URL_STAT_LINK ? $this->sftp->lstat($path) : $this->sftp->stat($path); |
| 598 | if ($results === false) { |
| 599 | return false; |
| 600 | } |
| 601 | |
| 602 | return $results; |
| 603 | } |
| 604 | |
| 605 | /** |
| 606 | * Truncate stream |
| 607 | */ |
| 608 | private function _stream_truncate(int $new_size): bool |
| 609 | { |
| 610 | if (!$this->sftp->truncate($this->path, $new_size)) { |
| 611 | return false; |
| 612 | } |
| 613 | |
| 614 | $this->eof = false; |
| 615 | $this->size = $new_size; |
| 616 | |
| 617 | return true; |
| 618 | } |
| 619 | |
| 620 | /** |
| 621 | * Change stream options |
| 622 | * |
| 623 | * STREAM_OPTION_WRITE_BUFFER isn't supported for the same reason stream_flush isn't. |
| 624 | * The other two aren't supported because of limitations in \phpseclib3\Net\SFTP. |
| 625 | */ |
| 626 | private function _stream_set_option(int $option, int $arg1, int $arg2): bool |
| 627 | { |
| 628 | return false; |
| 629 | } |
| 630 | |
| 631 | /** |
| 632 | * Close an resource |
| 633 | */ |
| 634 | private function _stream_close(): void |
| 635 | { |
| 636 | } |
| 637 | |
| 638 | /** |
| 639 | * __call Magic Method |
| 640 | * |
| 641 | * When you're utilizing an SFTP stream you're not calling the methods in this class directly - PHP is calling them for you. |
| 642 | * Which kinda begs the question... what methods is PHP calling and what parameters is it passing to them? This function |
| 643 | * lets you figure that out. |
| 644 | * |
| 645 | * If NET_SFTP_STREAM_LOGGING is defined all calls will be output on the screen and then (regardless of whether or not |
| 646 | * NET_SFTP_STREAM_LOGGING is enabled) the parameters will be passed through to the appropriate method. |
| 647 | */ |
| 648 | public function __call(string $name, array $arguments) |
| 649 | { |
| 650 | if (defined('NET_SFTP_STREAM_LOGGING')) { |
| 651 | echo $name . '('; |
| 652 | $last = count($arguments) - 1; |
| 653 | foreach ($arguments as $i => $argument) { |
| 654 | var_export($argument); |
| 655 | if ($i != $last) { |
| 656 | echo ','; |
| 657 | } |
| 658 | } |
| 659 | echo ")\r\n"; |
| 660 | } |
| 661 | $name = '_' . $name; |
| 662 | if (!method_exists($this, $name)) { |
| 663 | return false; |
| 664 | } |
| 665 | return $this->$name(...$arguments); |
| 666 | } |
| 667 | } |
| 668 |