| @@ -1,764 +1,0 @@ | ||
| 1 | -<?php | |
| 2 | - | |
| 3 | -namespace AcyMailing\Libraries\Pear; | |
| 4 | - | |
| 5 | -acym_cmsLoaded(); | |
| 6 | - | |
| 7 | -/** | |
| 8 | - * Net_Socket | |
| 9 | - * | |
| 10 | - * PHP Version 5 | |
| 11 | - * | |
| 12 | - * LICENSE: | |
| 13 | - * | |
| 14 | - * Copyright (c) 1997-2017 The PHP Group | |
| 15 | - * All rights reserved. | |
| 16 | - * | |
| 17 | - * Redistribution and use in source and binary forms, with or without | |
| 18 | - * modification, are permitted provided that the following conditions | |
| 19 | - * are met: | |
| 20 | - * | |
| 21 | - * o Redistributions of source code must retain the above copyright | |
| 22 | - * notice, this list of conditions and the following disclaimer. | |
| 23 | - * o Redistributions in binary form must reproduce the above copyright | |
| 24 | - * notice, this list of conditions and the following disclaimer in the | |
| 25 | - * documentation and/or other materials provided with the distribution. | |
| 26 | - * | |
| 27 | - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 28 | - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 29 | - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 30 | - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 31 | - * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 32 | - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 33 | - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 34 | - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 35 | - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 36 | - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 37 | - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 38 | - * | |
| 39 | - * @category Net | |
| 40 | - * @package Net_Socket | |
| 41 | - * @author Stig Bakken <[email protected]> | |
| 42 | - * @author Chuck Hagenbuch <[email protected]> | |
| 43 | - * @copyright 1997-2017 The PHP Group | |
| 44 | - * @license http://opensource.org/licenses/bsd-license.php BSD-2-Clause | |
| 45 | - * @link http://pear.php.net/packages/Net_Socket | |
| 46 | - */ | |
| 47 | - | |
| 48 | -define('NET_SOCKET_READ', 1); | |
| 49 | -define('NET_SOCKET_WRITE', 2); | |
| 50 | -define('NET_SOCKET_ERROR', 4); | |
| 51 | - | |
| 52 | -/** | |
| 53 | - * Generalized Socket class. | |
| 54 | - * | |
| 55 | - * @category Net | |
| 56 | - * @package Net_Socket | |
| 57 | - * @author Stig Bakken <[email protected]> | |
| 58 | - * @author Chuck Hagenbuch <[email protected]> | |
| 59 | - * @copyright 1997-2017 The PHP Group | |
| 60 | - * @license http://opensource.org/licenses/bsd-license.php BSD-2-Clause | |
| 61 | - * @link http://pear.php.net/packages/Net_Socket | |
| 62 | - */ | |
| 63 | -class Socket extends Pear | |
| 64 | -{ | |
| 65 | - /** | |
| 66 | - * Socket file pointer. | |
| 67 | - * @var resource $fp | |
| 68 | - */ | |
| 69 | - public $fp = null; | |
| 70 | - | |
| 71 | - /** | |
| 72 | - * Whether the socket is blocking. Defaults to true. | |
| 73 | - * @var boolean $blocking | |
| 74 | - */ | |
| 75 | - public $blocking = true; | |
| 76 | - | |
| 77 | - /** | |
| 78 | - * Whether the socket is persistent. Defaults to false. | |
| 79 | - * @var boolean $persistent | |
| 80 | - */ | |
| 81 | - public $persistent = false; | |
| 82 | - | |
| 83 | - /** | |
| 84 | - * The IP address to connect to. | |
| 85 | - * @var string $addr | |
| 86 | - */ | |
| 87 | - public $addr = ''; | |
| 88 | - | |
| 89 | - /** | |
| 90 | - * The port number to connect to. | |
| 91 | - * @var integer $port | |
| 92 | - */ | |
| 93 | - public $port = 0; | |
| 94 | - | |
| 95 | - /** | |
| 96 | - * Number of seconds to wait on socket operations before assuming | |
| 97 | - * there's no more data. Defaults to no timeout. | |
| 98 | - * @var integer|float $timeout | |
| 99 | - */ | |
| 100 | - public $timeout = null; | |
| 101 | - | |
| 102 | - /** | |
| 103 | - * Number of bytes to read at a time in readLine() and | |
| 104 | - * readAll(). Defaults to 2048. | |
| 105 | - * @var integer $lineLength | |
| 106 | - */ | |
| 107 | - public $lineLength = 2048; | |
| 108 | - | |
| 109 | - /** | |
| 110 | - * The string to use as a newline terminator. Usually "\r\n" or "\n". | |
| 111 | - * @var string $newline | |
| 112 | - */ | |
| 113 | - public $newline = "\r\n"; | |
| 114 | - | |
| 115 | - /** | |
| 116 | - * Connect to the specified port. If called when the socket is | |
| 117 | - * already connected, it disconnects and connects again. | |
| 118 | - * | |
| 119 | - * @param string $addr IP address or host name (may be with protocol prefix). | |
| 120 | - * @param integer $port TCP port number. | |
| 121 | - * @param boolean $persistent (optional) Whether the connection is | |
| 122 | - * persistent (kept open between requests | |
| 123 | - * by the web server). | |
| 124 | - * @param integer $timeout (optional) Connection socket timeout. | |
| 125 | - * @param array $options See options for stream_context_create. | |
| 126 | - * | |
| 127 | - * @access public | |
| 128 | - * | |
| 129 | - * @return boolean|Error True on success or a Error on failure. | |
| 130 | - */ | |
| 131 | - public function connect( | |
| 132 | - $addr, | |
| 133 | - $port = 0, | |
| 134 | - $persistent = null, | |
| 135 | - $timeout = null, | |
| 136 | - $options = null | |
| 137 | - ) { | |
| 138 | - if (is_resource($this->fp)) { | |
| 139 | - @fclose($this->fp); | |
| 140 | - $this->fp = null; | |
| 141 | - } | |
| 142 | - | |
| 143 | - if (!$addr) { | |
| 144 | - return $this->raiseError('$addr cannot be empty'); | |
| 145 | - } else { | |
| 146 | - if (strspn($addr, ':.0123456789') === strlen($addr)) { | |
| 147 | - $this->addr = strpos($addr, ':') !== false ? '['.$addr.']' : $addr; | |
| 148 | - } else { | |
| 149 | - $this->addr = $addr; | |
| 150 | - } | |
| 151 | - } | |
| 152 | - | |
| 153 | - $this->port = $port % 65536; | |
| 154 | - | |
| 155 | - if ($persistent !== null) { | |
| 156 | - $this->persistent = $persistent; | |
| 157 | - } | |
| 158 | - | |
| 159 | - $openfunc = $this->persistent ? 'pfsockopen' : 'fsockopen'; | |
| 160 | - $errno = 0; | |
| 161 | - $errstr = ''; | |
| 162 | - | |
| 163 | - if (function_exists('error_clear_last')) { | |
| 164 | - error_clear_last(); | |
| 165 | - } else { | |
| 166 | - $old_track_errors = @ini_set('track_errors', 1); | |
| 167 | - } | |
| 168 | - | |
| 169 | - if ($timeout <= 0) { | |
| 170 | - $timeout = @ini_get('default_socket_timeout'); | |
| 171 | - } | |
| 172 | - | |
| 173 | - if ($options && function_exists('stream_context_create')) { | |
| 174 | - $context = stream_context_create($options); | |
| 175 | - | |
| 176 | - // Since PHP 5 fsockopen doesn't allow context specification | |
| 177 | - if (function_exists('stream_socket_client')) { | |
| 178 | - $flags = STREAM_CLIENT_CONNECT; | |
| 179 | - | |
| 180 | - if ($this->persistent) { | |
| 181 | - $flags = STREAM_CLIENT_PERSISTENT; | |
| 182 | - } | |
| 183 | - | |
| 184 | - $addr = $this->addr.':'.$this->port; | |
| 185 | - $fp = @stream_socket_client( | |
| 186 | - $addr, | |
| 187 | - $errno, | |
| 188 | - $errstr, | |
| 189 | - $timeout, | |
| 190 | - $flags, | |
| 191 | - $context | |
| 192 | - ); | |
| 193 | - } else { | |
| 194 | - $fp = @$openfunc( | |
| 195 | - $this->addr, | |
| 196 | - $this->port, | |
| 197 | - $errno, | |
| 198 | - $errstr, | |
| 199 | - $timeout, | |
| 200 | - $context | |
| 201 | - ); | |
| 202 | - } | |
| 203 | - } else { | |
| 204 | - $fp = @$openfunc($this->addr, $this->port, $errno, $errstr, $timeout); | |
| 205 | - } | |
| 206 | - | |
| 207 | - if (!$fp) { | |
| 208 | - if ($errno === 0 && !strlen($errstr)) { | |
| 209 | - $errstr = ''; | |
| 210 | - if (isset($old_track_errors)) { | |
| 211 | - $errstr = $php_errormsg ? : ''; | |
| 212 | - @ini_set('track_errors', $old_track_errors); | |
| 213 | - } else { | |
| 214 | - $lastError = error_get_last(); | |
| 215 | - if (isset($lastError['message'])) { | |
| 216 | - $errstr = $lastError['message']; | |
| 217 | - } | |
| 218 | - } | |
| 219 | - } | |
| 220 | - | |
| 221 | - return $this->raiseError($errstr, $errno); | |
| 222 | - } | |
| 223 | - | |
| 224 | - if (isset($old_track_errors)) { | |
| 225 | - @ini_set('track_errors', $old_track_errors); | |
| 226 | - } | |
| 227 | - | |
| 228 | - $this->fp = $fp; | |
| 229 | - $this->setTimeout(); | |
| 230 | - | |
| 231 | - return $this->setBlocking($this->blocking); | |
| 232 | - } | |
| 233 | - | |
| 234 | - /** | |
| 235 | - * Disconnects from the peer, closes the socket. | |
| 236 | - * | |
| 237 | - * @access public | |
| 238 | - * @return mixed true on success or a Error instance otherwise | |
| 239 | - */ | |
| 240 | - public function disconnect() | |
| 241 | - { | |
| 242 | - if (!is_resource($this->fp)) { | |
| 243 | - return $this->raiseError('not connected'); | |
| 244 | - } | |
| 245 | - | |
| 246 | - @fclose($this->fp); | |
| 247 | - $this->fp = null; | |
| 248 | - | |
| 249 | - return true; | |
| 250 | - } | |
| 251 | - | |
| 252 | - /** | |
| 253 | - * Set the newline character/sequence to use. | |
| 254 | - * | |
| 255 | - * @param string $newline Newline character(s) | |
| 256 | - * | |
| 257 | - * @return boolean True | |
| 258 | - */ | |
| 259 | - public function setNewline($newline) | |
| 260 | - { | |
| 261 | - $this->newline = $newline; | |
| 262 | - | |
| 263 | - return true; | |
| 264 | - } | |
| 265 | - | |
| 266 | - /** | |
| 267 | - * Find out if the socket is in blocking mode. | |
| 268 | - * | |
| 269 | - * @access public | |
| 270 | - * @return boolean The current blocking mode. | |
| 271 | - */ | |
| 272 | - public function isBlocking() | |
| 273 | - { | |
| 274 | - return $this->blocking; | |
| 275 | - } | |
| 276 | - | |
| 277 | - /** | |
| 278 | - * Sets whether the socket connection should be blocking or | |
| 279 | - * not. A read call to a non-blocking socket will return immediately | |
| 280 | - * if there is no data available, whereas it will block until there | |
| 281 | - * is data for blocking sockets. | |
| 282 | - * | |
| 283 | - * @param boolean $mode True for blocking sockets, false for nonblocking. | |
| 284 | - * | |
| 285 | - * @access public | |
| 286 | - * @return mixed true on success or a Error instance otherwise | |
| 287 | - */ | |
| 288 | - public function setBlocking($mode) | |
| 289 | - { | |
| 290 | - if (!is_resource($this->fp)) { | |
| 291 | - return $this->raiseError('not connected'); | |
| 292 | - } | |
| 293 | - | |
| 294 | - $this->blocking = $mode; | |
| 295 | - stream_set_blocking($this->fp, (int)$this->blocking); | |
| 296 | - | |
| 297 | - return true; | |
| 298 | - } | |
| 299 | - | |
| 300 | - /** | |
| 301 | - * Sets the timeout value on socket descriptor, | |
| 302 | - * expressed in the sum of seconds and microseconds | |
| 303 | - * | |
| 304 | - * @param integer $seconds Seconds. | |
| 305 | - * @param integer $microseconds Microseconds, optional. | |
| 306 | - * | |
| 307 | - * @access public | |
| 308 | - * @return mixed True on success or false on failure or | |
| 309 | - * a Error instance when not connected | |
| 310 | - */ | |
| 311 | - public function setTimeout($seconds = null, $microseconds = null) | |
| 312 | - { | |
| 313 | - if (!is_resource($this->fp)) { | |
| 314 | - return $this->raiseError('not connected'); | |
| 315 | - } | |
| 316 | - | |
| 317 | - if ($seconds === null && $microseconds === null) { | |
| 318 | - $seconds = (int)$this->timeout; | |
| 319 | - $microseconds = (int)(($this->timeout - $seconds) * 1000000); | |
| 320 | - } else { | |
| 321 | - $this->timeout = $seconds + $microseconds / 1000000; | |
| 322 | - } | |
| 323 | - | |
| 324 | - if ($this->timeout > 0) { | |
| 325 | - return stream_set_timeout($this->fp, (int)$seconds, (int)$microseconds); | |
| 326 | - } else { | |
| 327 | - return false; | |
| 328 | - } | |
| 329 | - } | |
| 330 | - | |
| 331 | - /** | |
| 332 | - * Sets the file buffering size on the stream. | |
| 333 | - * See php's stream_set_write_buffer for more information. | |
| 334 | - * | |
| 335 | - * @param integer $size Write buffer size. | |
| 336 | - * | |
| 337 | - * @access public | |
| 338 | - * @return mixed on success or an Error object otherwise | |
| 339 | - */ | |
| 340 | - public function setWriteBuffer($size) | |
| 341 | - { | |
| 342 | - if (!is_resource($this->fp)) { | |
| 343 | - return $this->raiseError('not connected'); | |
| 344 | - } | |
| 345 | - | |
| 346 | - $returned = stream_set_write_buffer($this->fp, $size); | |
| 347 | - if ($returned === 0) { | |
| 348 | - return true; | |
| 349 | - } | |
| 350 | - | |
| 351 | - return $this->raiseError('Cannot set write buffer.'); | |
| 352 | - } | |
| 353 | - | |
| 354 | - /** | |
| 355 | - * Returns information about an existing socket resource. | |
| 356 | - * Currently returns four entries in the result array: | |
| 357 | - * | |
| 358 | - * <p> | |
| 359 | - * timed_out (bool) - The socket timed out waiting for data<br> | |
| 360 | - * blocked (bool) - The socket was blocked<br> | |
| 361 | - * eof (bool) - Indicates EOF event<br> | |
| 362 | - * unread_bytes (int) - Number of bytes left in the socket buffer<br> | |
| 363 | - * </p> | |
| 364 | - * | |
| 365 | - * @access public | |
| 366 | - * @return mixed Array containing information about existing socket | |
| 367 | - * resource or a Error instance otherwise | |
| 368 | - */ | |
| 369 | - public function getStatus() | |
| 370 | - { | |
| 371 | - if (!is_resource($this->fp)) { | |
| 372 | - return $this->raiseError('not connected'); | |
| 373 | - } | |
| 374 | - | |
| 375 | - return stream_get_meta_data($this->fp); | |
| 376 | - } | |
| 377 | - | |
| 378 | - /** | |
| 379 | - * Get a specified line of data | |
| 380 | - * | |
| 381 | - * @param int $size Reading ends when size - 1 bytes have been read, | |
| 382 | - * or a newline or an EOF (whichever comes first). | |
| 383 | - * If no size is specified, it will keep reading from | |
| 384 | - * the stream until it reaches the end of the line. | |
| 385 | - * | |
| 386 | - * @access public | |
| 387 | - * @return mixed $size bytes of data from the socket, or a Error if | |
| 388 | - * not connected. If an error occurs, FALSE is returned. | |
| 389 | - */ | |
| 390 | - public function gets($size = null) | |
| 391 | - { | |
| 392 | - if (!is_resource($this->fp)) { | |
| 393 | - return $this->raiseError('not connected'); | |
| 394 | - } | |
| 395 | - | |
| 396 | - if (null === $size) { | |
| 397 | - return @fgets($this->fp); | |
| 398 | - } else { | |
| 399 | - return @fgets($this->fp, $size); | |
| 400 | - } | |
| 401 | - } | |
| 402 | - | |
| 403 | - /** | |
| 404 | - * Read a specified amount of data. This is guaranteed to return, | |
| 405 | - * and has the added benefit of getting everything in one fread() | |
| 406 | - * chunk; if you know the size of the data you're getting | |
| 407 | - * beforehand, this is definitely the way to go. | |
| 408 | - * | |
| 409 | - * @param integer $size The number of bytes to read from the socket. | |
| 410 | - * | |
| 411 | - * @access public | |
| 412 | - * @return string $size bytes of data from the socket, or a Error if | |
| 413 | - * not connected. | |
| 414 | - */ | |
| 415 | - public function read($size) | |
| 416 | - { | |
| 417 | - if (!is_resource($this->fp)) { | |
| 418 | - return $this->raiseError('not connected'); | |
| 419 | - } | |
| 420 | - | |
| 421 | - return @fread($this->fp, $size); | |
| 422 | - } | |
| 423 | - | |
| 424 | - /** | |
| 425 | - * Write a specified amount of data. | |
| 426 | - * | |
| 427 | - * @param string $data Data to write. | |
| 428 | - * @param integer $blocksize Amount of data to write at once. | |
| 429 | - * NULL means all at once. | |
| 430 | - * | |
| 431 | - * @access public | |
| 432 | - * @return mixed If the socket is not connected, returns an instance of | |
| 433 | - * Error. | |
| 434 | - * If the write succeeds, returns the number of bytes written. | |
| 435 | - * If the write fails, returns false. | |
| 436 | - * If the socket times out, returns an instance of Error. | |
| 437 | - */ | |
| 438 | - public function write($data, $blocksize = null) | |
| 439 | - { | |
| 440 | - if (!is_resource($this->fp)) { | |
| 441 | - return $this->raiseError('not connected'); | |
| 442 | - } | |
| 443 | - | |
| 444 | - if (null === $blocksize && !OS_WINDOWS) { | |
| 445 | - $written = @fwrite($this->fp, $data); | |
| 446 | - | |
| 447 | - // Check for timeout or lost connection | |
| 448 | - if ($written === false) { | |
| 449 | - $meta_data = $this->getStatus(); | |
| 450 | - | |
| 451 | - if (!is_array($meta_data)) { | |
| 452 | - return $meta_data; // Error | |
| 453 | - } | |
| 454 | - | |
| 455 | - if (!empty($meta_data['timed_out'])) { | |
| 456 | - return $this->raiseError('timed out'); | |
| 457 | - } | |
| 458 | - } | |
| 459 | - | |
| 460 | - return $written; | |
| 461 | - } else { | |
| 462 | - if (null === $blocksize) { | |
| 463 | - $blocksize = 1024; | |
| 464 | - } | |
| 465 | - | |
| 466 | - $pos = 0; | |
| 467 | - $size = strlen($data); | |
| 468 | - while ($pos < $size) { | |
| 469 | - $written = @fwrite($this->fp, substr($data, $pos, $blocksize)); | |
| 470 | - | |
| 471 | - // Check for timeout or lost connection | |
| 472 | - if ($written === false) { | |
| 473 | - $meta_data = $this->getStatus(); | |
| 474 | - | |
| 475 | - if (!is_array($meta_data)) { | |
| 476 | - return $meta_data; // Error | |
| 477 | - } | |
| 478 | - | |
| 479 | - if (!empty($meta_data['timed_out'])) { | |
| 480 | - return $this->raiseError('timed out'); | |
| 481 | - } | |
| 482 | - | |
| 483 | - return $written; | |
| 484 | - } | |
| 485 | - | |
| 486 | - $pos += $written; | |
| 487 | - } | |
| 488 | - | |
| 489 | - return $pos; | |
| 490 | - } | |
| 491 | - } | |
| 492 | - | |
| 493 | - /** | |
| 494 | - * Write a line of data to the socket, followed by a trailing newline. | |
| 495 | - * | |
| 496 | - * @param string $data Data to write | |
| 497 | - * | |
| 498 | - * @access public | |
| 499 | - * @return mixed fwrite() result, or Error when not connected | |
| 500 | - */ | |
| 501 | - public function writeLine($data) | |
| 502 | - { | |
| 503 | - if (!is_resource($this->fp)) { | |
| 504 | - return $this->raiseError('not connected'); | |
| 505 | - } | |
| 506 | - | |
| 507 | - return fwrite($this->fp, $data.$this->newline); | |
| 508 | - } | |
| 509 | - | |
| 510 | - /** | |
| 511 | - * Tests for end-of-file on a socket descriptor. | |
| 512 | - * | |
| 513 | - * Also returns true if the socket is disconnected. | |
| 514 | - * | |
| 515 | - * @access public | |
| 516 | - * @return bool | |
| 517 | - */ | |
| 518 | - public function eof() | |
| 519 | - { | |
| 520 | - return (!is_resource($this->fp) || feof($this->fp)); | |
| 521 | - } | |
| 522 | - | |
| 523 | - /** | |
| 524 | - * Reads a byte of data | |
| 525 | - * | |
| 526 | - * @access public | |
| 527 | - * @return integer 1 byte of data from the socket, or a Error if | |
| 528 | - * not connected. | |
| 529 | - */ | |
| 530 | - public function readByte() | |
| 531 | - { | |
| 532 | - if (!is_resource($this->fp)) { | |
| 533 | - return $this->raiseError('not connected'); | |
| 534 | - } | |
| 535 | - | |
| 536 | - return ord(@fread($this->fp, 1)); | |
| 537 | - } | |
| 538 | - | |
| 539 | - /** | |
| 540 | - * Reads a word of data | |
| 541 | - * | |
| 542 | - * @access public | |
| 543 | - * @return integer 1 word of data from the socket, or a Error if | |
| 544 | - * not connected. | |
| 545 | - */ | |
| 546 | - public function readWord() | |
| 547 | - { | |
| 548 | - if (!is_resource($this->fp)) { | |
| 549 | - return $this->raiseError('not connected'); | |
| 550 | - } | |
| 551 | - | |
| 552 | - $buf = @fread($this->fp, 2); | |
| 553 | - | |
| 554 | - return (ord($buf[0]) + (ord($buf[1]) << 8)); | |
| 555 | - } | |
| 556 | - | |
| 557 | - /** | |
| 558 | - * Reads an int of data | |
| 559 | - * | |
| 560 | - * @access public | |
| 561 | - * @return integer 1 int of data from the socket, or a Error if | |
| 562 | - * not connected. | |
| 563 | - */ | |
| 564 | - public function readInt() | |
| 565 | - { | |
| 566 | - if (!is_resource($this->fp)) { | |
| 567 | - return $this->raiseError('not connected'); | |
| 568 | - } | |
| 569 | - | |
| 570 | - $buf = @fread($this->fp, 4); | |
| 571 | - | |
| 572 | - return (ord($buf[0]) + (ord($buf[1]) << 8) + | |
| 573 | - (ord($buf[2]) << 16) + (ord($buf[3]) << 24)); | |
| 574 | - } | |
| 575 | - | |
| 576 | - /** | |
| 577 | - * Reads a zero-terminated string of data | |
| 578 | - * | |
| 579 | - * @access public | |
| 580 | - * @return string, or a Error if | |
| 581 | - * not connected. | |
| 582 | - */ | |
| 583 | - public function readString() | |
| 584 | - { | |
| 585 | - if (!is_resource($this->fp)) { | |
| 586 | - return $this->raiseError('not connected'); | |
| 587 | - } | |
| 588 | - | |
| 589 | - $string = ''; | |
| 590 | - while (($char = @fread($this->fp, 1)) !== "\x00") { | |
| 591 | - $string .= $char; | |
| 592 | - } | |
| 593 | - | |
| 594 | - return $string; | |
| 595 | - } | |
| 596 | - | |
| 597 | - /** | |
| 598 | - * Reads an IP Address and returns it in a dot formatted string | |
| 599 | - * | |
| 600 | - * @access public | |
| 601 | - * @return string Dot formatted string, or a Error if | |
| 602 | - * not connected. | |
| 603 | - */ | |
| 604 | - public function readIPAddress() | |
| 605 | - { | |
| 606 | - if (!is_resource($this->fp)) { | |
| 607 | - return $this->raiseError('not connected'); | |
| 608 | - } | |
| 609 | - | |
| 610 | - $buf = @fread($this->fp, 4); | |
| 611 | - | |
| 612 | - return sprintf( | |
| 613 | - '%d.%d.%d.%d', | |
| 614 | - ord($buf[0]), | |
| 615 | - ord($buf[1]), | |
| 616 | - ord($buf[2]), | |
| 617 | - ord($buf[3]) | |
| 618 | - ); | |
| 619 | - } | |
| 620 | - | |
| 621 | - /** | |
| 622 | - * Read until either the end of the socket or a newline, whichever | |
| 623 | - * comes first. Strips the trailing newline from the returned data. | |
| 624 | - * | |
| 625 | - * @access public | |
| 626 | - * @return string All available data up to a newline, without that | |
| 627 | - * newline, or until the end of the socket, or a Error if | |
| 628 | - * not connected. | |
| 629 | - */ | |
| 630 | - public function readLine() | |
| 631 | - { | |
| 632 | - if (!is_resource($this->fp)) { | |
| 633 | - return $this->raiseError('not connected'); | |
| 634 | - } | |
| 635 | - | |
| 636 | - $line = ''; | |
| 637 | - | |
| 638 | - $timeout = time() + $this->timeout; | |
| 639 | - | |
| 640 | - while (!feof($this->fp) && (!$this->timeout || time() < $timeout)) { | |
| 641 | - $line .= @fgets($this->fp, $this->lineLength); | |
| 642 | - if (substr($line, -1) == "\n") { | |
| 643 | - return rtrim($line, $this->newline); | |
| 644 | - } | |
| 645 | - } | |
| 646 | - | |
| 647 | - return $line; | |
| 648 | - } | |
| 649 | - | |
| 650 | - /** | |
| 651 | - * Read until the socket closes, or until there is no more data in | |
| 652 | - * the inner PHP buffer. If the inner buffer is empty, in blocking | |
| 653 | - * mode we wait for at least 1 byte of data. Therefore, in | |
| 654 | - * blocking mode, if there is no data at all to be read, this | |
| 655 | - * function will never exit (unless the socket is closed on the | |
| 656 | - * remote end). | |
| 657 | - * | |
| 658 | - * @access public | |
| 659 | - * | |
| 660 | - * @return string All data until the socket closes, or a Error if | |
| 661 | - * not connected. | |
| 662 | - */ | |
| 663 | - public function readAll() | |
| 664 | - { | |
| 665 | - if (!is_resource($this->fp)) { | |
| 666 | - return $this->raiseError('not connected'); | |
| 667 | - } | |
| 668 | - | |
| 669 | - $data = ''; | |
| 670 | - $timeout = time() + $this->timeout; | |
| 671 | - | |
| 672 | - while (!feof($this->fp) && (!$this->timeout || time() < $timeout)) { | |
| 673 | - $data .= @fread($this->fp, $this->lineLength); | |
| 674 | - } | |
| 675 | - | |
| 676 | - return $data; | |
| 677 | - } | |
| 678 | - | |
| 679 | - /** | |
| 680 | - * Runs the equivalent of the select() system call on the socket | |
| 681 | - * with a timeout specified by tv_sec and tv_usec. | |
| 682 | - * | |
| 683 | - * @param integer $state Which of read/write/error to check for. | |
| 684 | - * @param integer $tv_sec Number of seconds for timeout. | |
| 685 | - * @param integer $tv_usec Number of microseconds for timeout. | |
| 686 | - * | |
| 687 | - * @access public | |
| 688 | - * @return False if select fails, integer describing which of read/write/error | |
| 689 | - * are ready, or Error if not connected. | |
| 690 | - */ | |
| 691 | - public function select($state, $tv_sec, $tv_usec = 0) | |
| 692 | - { | |
| 693 | - if (!is_resource($this->fp)) { | |
| 694 | - return $this->raiseError('not connected'); | |
| 695 | - } | |
| 696 | - | |
| 697 | - $read = null; | |
| 698 | - $write = null; | |
| 699 | - $except = null; | |
| 700 | - if ($state & NET_SOCKET_READ) { | |
| 701 | - $read[] = $this->fp; | |
| 702 | - } | |
| 703 | - if ($state & NET_SOCKET_WRITE) { | |
| 704 | - $write[] = $this->fp; | |
| 705 | - } | |
| 706 | - if ($state & NET_SOCKET_ERROR) { | |
| 707 | - $except[] = $this->fp; | |
| 708 | - } | |
| 709 | - if (false === ($sr = stream_select( | |
| 710 | - $read, | |
| 711 | - $write, | |
| 712 | - $except, | |
| 713 | - $tv_sec, | |
| 714 | - $tv_usec | |
| 715 | - )) | |
| 716 | - ) { | |
| 717 | - return false; | |
| 718 | - } | |
| 719 | - | |
| 720 | - $result = 0; | |
| 721 | - if (count($read)) { | |
| 722 | - $result |= NET_SOCKET_READ; | |
| 723 | - } | |
| 724 | - if (count($write)) { | |
| 725 | - $result |= NET_SOCKET_WRITE; | |
| 726 | - } | |
| 727 | - if (count($except)) { | |
| 728 | - $result |= NET_SOCKET_ERROR; | |
| 729 | - } | |
| 730 | - | |
| 731 | - return $result; | |
| 732 | - } | |
| 733 | - | |
| 734 | - /** | |
| 735 | - * Turns encryption on/off on a connected socket. | |
| 736 | - * | |
| 737 | - * @param bool $enabled Set this parameter to true to enable encryption | |
| 738 | - * and false to disable encryption. | |
| 739 | - * @param integer $type Type of encryption. See stream_socket_enable_crypto() | |
| 740 | - * for values. | |
| 741 | - * | |
| 742 | - * @return false on error, true on success and 0 if there isn't enough data | |
| 743 | - * and the user should try again (non-blocking sockets only). | |
| 744 | - * A Error object is returned if the socket is not | |
| 745 | - * connected | |
| 746 | - * @see http://se.php.net/manual/en/function.stream-socket-enable-crypto.php | |
| 747 | - * @access public | |
| 748 | - */ | |
| 749 | - public function enableCrypto($enabled, $type) | |
| 750 | - { | |
| 751 | - if (version_compare(phpversion(), '5.1.0', '>=')) { | |
| 752 | - if (!is_resource($this->fp)) { | |
| 753 | - return $this->raiseError('not connected'); | |
| 754 | - } | |
| 755 | - | |
| 756 | - return @stream_socket_enable_crypto($this->fp, $enabled, $type); | |
| 757 | - } else { | |
| 758 | - $msg = 'Net_Socket::enableCrypto() requires php version >= 5.1.0'; | |
| 759 | - | |
| 760 | - return $this->raiseError($msg); | |
| 761 | - } | |
| 762 | - } | |
| 763 | - | |
| 764 | -} | |
