| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * mail_fetch/class.POP3.php |
| 5 | * |
| 6 | * Copyright (c) 1999 CDI (cdi@thewebmasters.net) All Rights Reserved |
| 7 | * Modified by Philippe Mingo 2001 mingo@rotedic.com |
| 8 | * An RFC 1939 compliant wrapper class for the POP3 protocol. |
| 9 | * |
| 10 | * POP3 class |
| 11 | * |
| 12 | * @copyright © 1999-2006 The SquirrelMail Project Team |
| 13 | * @license http://opensource.org/licenses/gpl-license.php GNU Public License |
| 14 | * @version $Id$ |
| 15 | * @package plugins |
| 16 | * @subpackage mail_fetch |
| 17 | */ |
| 18 | |
| 19 | /** |
| 20 | * This is the POP3 class - DOCUMENT ME |
| 21 | * @package plugins |
| 22 | * @subpackage mail_fetch |
| 23 | */ |
| 24 | class POP3 { |
| 25 | var $ERROR = ''; // Error string. |
| 26 | |
| 27 | var $TIMEOUT = 60; // Default timeout before giving up on a |
| 28 | // network operation. |
| 29 | |
| 30 | var $COUNT = -1; // Mailbox msg count |
| 31 | |
| 32 | var $BUFFER = 512; // Socket buffer for socket fgets() calls. |
| 33 | // Per RFC 1939 the returned line a POP3 |
| 34 | // server can send is 512 bytes. |
| 35 | |
| 36 | var $FP = ''; // The connection to the server's |
| 37 | // file descriptor |
| 38 | |
| 39 | var $MAILSERVER = ''; // Set this to hard code the server name |
| 40 | |
| 41 | var $DEBUG = FALSE; // set to true to echo pop3 |
| 42 | // commands and responses to error_log |
| 43 | // this WILL log passwords! |
| 44 | |
| 45 | var $BANNER = ''; // Holds the banner returned by the |
| 46 | // pop server - used for apop() |
| 47 | |
| 48 | var $ALLOWAPOP = FALSE; // Allow or disallow apop() |
| 49 | // This must be set to true |
| 50 | // manually |
| 51 | |
| 52 | function POP3 ( $server = '', $timeout = '' ) { |
| 53 | settype($this->BUFFER,"integer"); |
| 54 | if( !empty($server) ) { |
| 55 | // Do not allow programs to alter MAILSERVER |
| 56 | // if it is already specified. They can get around |
| 57 | // this if they -really- want to, so don't count on it. |
| 58 | if(empty($this->MAILSERVER)) |
| 59 | $this->MAILSERVER = $server; |
| 60 | } |
| 61 | if(!empty($timeout)) { |
| 62 | settype($timeout,"integer"); |
| 63 | $this->TIMEOUT = $timeout; |
| 64 | if (!ini_get('safe_mode')) |
| 65 | set_time_limit($timeout); |
| 66 | } |
| 67 | return true; |
| 68 | } |
| 69 | |
| 70 | function update_timer () { |
| 71 | if (!ini_get('safe_mode')) |
| 72 | set_time_limit($this->TIMEOUT); |
| 73 | return true; |
| 74 | } |
| 75 | |
| 76 | function connect ($server, $port = 110) { |
| 77 | // Opens a socket to the specified server. Unless overridden, |
| 78 | // port defaults to 110. Returns true on success, false on fail |
| 79 | |
| 80 | // If MAILSERVER is set, override $server with it's value |
| 81 | |
| 82 | if (!isset($port) || !$port) {$port = 110;} |
| 83 | if(!empty($this->MAILSERVER)) |
| 84 | $server = $this->MAILSERVER; |
| 85 | |
| 86 | if(empty($server)){ |
| 87 | $this->ERROR = _("POP3 connect:") . ' ' . _("No server specified"); |
| 88 | unset($this->FP); |
| 89 | return false; |
| 90 | } |
| 91 | |
| 92 | $fp = @fsockopen("$server", $port, $errno, $errstr); |
| 93 | |
| 94 | if(!$fp) { |
| 95 | $this->ERROR = _("POP3 connect:") . ' ' . _("Error") . ' ' . "[$errno] [$errstr]"; |
| 96 | unset($this->FP); |
| 97 | return false; |
| 98 | } |
| 99 | |
| 100 | socket_set_blocking($fp,-1); |
| 101 | $this->update_timer(); |
| 102 | $reply = fgets($fp,$this->BUFFER); |
| 103 | $reply = $this->strip_clf($reply); |
| 104 | if($this->DEBUG) |
| 105 | error_log("POP3 SEND [connect: $server] GOT [$reply]",0); |
| 106 | if(!$this->is_ok($reply)) { |
| 107 | $this->ERROR = _("POP3 connect:") . ' ' . _("Error") . ' ' . "[$reply]"; |
| 108 | unset($this->FP); |
| 109 | return false; |
| 110 | } |
| 111 | $this->FP = $fp; |
| 112 | $this->BANNER = $this->parse_banner($reply); |
| 113 | return true; |
| 114 | } |
| 115 | |
| 116 | function user ($user = "") { |
| 117 | // Sends the USER command, returns true or false |
| 118 | |
| 119 | if( empty($user) ) { |
| 120 | $this->ERROR = _("POP3 user:") . ' ' . _("no login ID submitted"); |
| 121 | return false; |
| 122 | } elseif(!isset($this->FP)) { |
| 123 | $this->ERROR = _("POP3 user:") . ' ' . _("connection not established"); |
| 124 | return false; |
| 125 | } else { |
| 126 | $reply = $this->send_cmd("USER $user"); |
| 127 | if(!$this->is_ok($reply)) { |
| 128 | $this->ERROR = _("POP3 user:") . ' ' . _("Error") . ' ' . "[$reply]"; |
| 129 | return false; |
| 130 | } else |
| 131 | return true; |
| 132 | } |
| 133 | } |
| 134 | |
| 135 | function pass ($pass = "") { |
| 136 | // Sends the PASS command, returns # of msgs in mailbox, |
| 137 | // returns false (undef) on Auth failure |
| 138 | |
| 139 | if(empty($pass)) { |
| 140 | $this->ERROR = _("POP3 pass:") . ' ' . _("No password submitted"); |
| 141 | return false; |
| 142 | } elseif(!isset($this->FP)) { |
| 143 | $this->ERROR = _("POP3 pass:") . ' ' . _("connection not established"); |
| 144 | return false; |
| 145 | } else { |
| 146 | $reply = $this->send_cmd("PASS $pass"); |
| 147 | if(!$this->is_ok($reply)) { |
| 148 | $this->ERROR = _("POP3 pass:") . ' ' . _("Authentication failed") . " [$reply]"; |
| 149 | $this->quit(); |
| 150 | return false; |
| 151 | } else { |
| 152 | // Auth successful. |
| 153 | $count = $this->last("count"); |
| 154 | $this->COUNT = $count; |
| 155 | return $count; |
| 156 | } |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | function apop ($login,$pass) { |
| 161 | // Attempts an APOP login. If this fails, it'll |
| 162 | // try a standard login. YOUR SERVER MUST SUPPORT |
| 163 | // THE USE OF THE APOP COMMAND! |
| 164 | // (apop is optional per rfc1939) |
| 165 | |
| 166 | if(!isset($this->FP)) { |
| 167 | $this->ERROR = _("POP3 apop:") . ' ' . _("No connection to server"); |
| 168 | return false; |
| 169 | } elseif(!$this->ALLOWAPOP) { |
| 170 | $retVal = $this->login($login,$pass); |
| 171 | return $retVal; |
| 172 | } elseif(empty($login)) { |
| 173 | $this->ERROR = _("POP3 apop:") . ' ' . _("No login ID submitted"); |
| 174 | return false; |
| 175 | } elseif(empty($pass)) { |
| 176 | $this->ERROR = _("POP3 apop:") . ' ' . _("No password submitted"); |
| 177 | return false; |
| 178 | } else { |
| 179 | $banner = $this->BANNER; |
| 180 | if( (!$banner) or (empty($banner)) ) { |
| 181 | $this->ERROR = _("POP3 apop:") . ' ' . _("No server banner") . ' - ' . _("abort"); |
| 182 | $retVal = $this->login($login,$pass); |
| 183 | return $retVal; |
| 184 | } else { |
| 185 | $AuthString = $banner; |
| 186 | $AuthString .= $pass; |
| 187 | $APOPString = md5($AuthString); |
| 188 | $cmd = "APOP $login $APOPString"; |
| 189 | $reply = $this->send_cmd($cmd); |
| 190 | if(!$this->is_ok($reply)) { |
| 191 | $this->ERROR = _("POP3 apop:") . ' ' . _("apop authentication failed") . ' - ' . _("abort"); |
| 192 | $retVal = $this->login($login,$pass); |
| 193 | return $retVal; |
| 194 | } else { |
| 195 | // Auth successful. |
| 196 | $count = $this->last("count"); |
| 197 | $this->COUNT = $count; |
| 198 | return $count; |
| 199 | } |
| 200 | } |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | function login ($login = "", $pass = "") { |
| 205 | // Sends both user and pass. Returns # of msgs in mailbox or |
| 206 | // false on failure (or -1, if the error occurs while getting |
| 207 | // the number of messages.) |
| 208 | |
| 209 | if( !isset($this->FP) ) { |
| 210 | $this->ERROR = _("POP3 login:") . ' ' . _("No connection to server"); |
| 211 | return false; |
| 212 | } else { |
| 213 | $fp = $this->FP; |
| 214 | if( !$this->user( $login ) ) { |
| 215 | // Preserve the error generated by user() |
| 216 | return false; |
| 217 | } else { |
| 218 | $count = $this->pass($pass); |
| 219 | if( (!$count) || ($count == -1) ) { |
| 220 | // Preserve the error generated by last() and pass() |
| 221 | return false; |
| 222 | } else |
| 223 | return $count; |
| 224 | } |
| 225 | } |
| 226 | } |
| 227 | |
| 228 | function top ($msgNum, $numLines = "0") { |
| 229 | // Gets the header and first $numLines of the msg body |
| 230 | // returns data in an array with each returned line being |
| 231 | // an array element. If $numLines is empty, returns |
| 232 | // only the header information, and none of the body. |
| 233 | |
| 234 | if(!isset($this->FP)) { |
| 235 | $this->ERROR = _("POP3 top:") . ' ' . _("No connection to server"); |
| 236 | return false; |
| 237 | } |
| 238 | $this->update_timer(); |
| 239 | |
| 240 | $fp = $this->FP; |
| 241 | $buffer = $this->BUFFER; |
| 242 | $cmd = "TOP $msgNum $numLines"; |
| 243 | fwrite($fp, "TOP $msgNum $numLines\r\n"); |
| 244 | $reply = fgets($fp, $buffer); |
| 245 | $reply = $this->strip_clf($reply); |
| 246 | if($this->DEBUG) { |
| 247 | @error_log("POP3 SEND [$cmd] GOT [$reply]",0); |
| 248 | } |
| 249 | if(!$this->is_ok($reply)) |
| 250 | { |
| 251 | $this->ERROR = _("POP3 top:") . ' ' . _("Error") . ' ' . "[$reply]"; |
| 252 | return false; |
| 253 | } |
| 254 | |
| 255 | $count = 0; |
| 256 | $MsgArray = array(); |
| 257 | |
| 258 | $line = fgets($fp,$buffer); |
| 259 | while ( !ereg("^\.\r\n",$line)) |
| 260 | { |
| 261 | $MsgArray[$count] = $line; |
| 262 | $count++; |
| 263 | $line = fgets($fp,$buffer); |
| 264 | if(empty($line)) { break; } |
| 265 | } |
| 266 | |
| 267 | return $MsgArray; |
| 268 | } |
| 269 | |
| 270 | function pop_list ($msgNum = "") { |
| 271 | // If called with an argument, returns that msgs' size in octets |
| 272 | // No argument returns an associative array of undeleted |
| 273 | // msg numbers and their sizes in octets |
| 274 | |
| 275 | if(!isset($this->FP)) |
| 276 | { |
| 277 | $this->ERROR = _("POP3 pop_list:") . ' ' . _("No connection to server"); |
| 278 | return false; |
| 279 | } |
| 280 | $fp = $this->FP; |
| 281 | $Total = $this->COUNT; |
| 282 | if( (!$Total) or ($Total == -1) ) |
| 283 | { |
| 284 | return false; |
| 285 | } |
| 286 | if($Total == 0) |
| 287 | { |
| 288 | return array("0","0"); |
| 289 | // return -1; // mailbox empty |
| 290 | } |
| 291 | |
| 292 | $this->update_timer(); |
| 293 | |
| 294 | if(!empty($msgNum)) |
| 295 | { |
| 296 | $cmd = "LIST $msgNum"; |
| 297 | fwrite($fp,"$cmd\r\n"); |
| 298 | $reply = fgets($fp,$this->BUFFER); |
| 299 | $reply = $this->strip_clf($reply); |
| 300 | if($this->DEBUG) { |
| 301 | @error_log("POP3 SEND [$cmd] GOT [$reply]",0); |
| 302 | } |
| 303 | if(!$this->is_ok($reply)) |
| 304 | { |
| 305 | $this->ERROR = _("POP3 pop_list:") . ' ' . _("Error") . ' ' . "[$reply]"; |
| 306 | return false; |
| 307 | } |
| 308 | list($junk,$num,$size) = preg_split('/\s+/',$reply); |
| 309 | return $size; |
| 310 | } |
| 311 | $cmd = "LIST"; |
| 312 | $reply = $this->send_cmd($cmd); |
| 313 | if(!$this->is_ok($reply)) |
| 314 | { |
| 315 | $reply = $this->strip_clf($reply); |
| 316 | $this->ERROR = _("POP3 pop_list:") . ' ' . _("Error") . ' ' . "[$reply]"; |
| 317 | return false; |
| 318 | } |
| 319 | $MsgArray = array(); |
| 320 | $MsgArray[0] = $Total; |
| 321 | for($msgC=1;$msgC <= $Total; $msgC++) |
| 322 | { |
| 323 | if($msgC > $Total) { break; } |
| 324 | $line = fgets($fp,$this->BUFFER); |
| 325 | $line = $this->strip_clf($line); |
| 326 | if(ereg("^\.",$line)) |
| 327 | { |
| 328 | $this->ERROR = _("POP3 pop_list:") . ' ' . _("Premature end of list"); |
| 329 | return false; |
| 330 | } |
| 331 | list($thisMsg,$msgSize) = preg_split('/\s+/',$line); |
| 332 | settype($thisMsg,"integer"); |
| 333 | if($thisMsg != $msgC) |
| 334 | { |
| 335 | $MsgArray[$msgC] = "deleted"; |
| 336 | } |
| 337 | else |
| 338 | { |
| 339 | $MsgArray[$msgC] = $msgSize; |
| 340 | } |
| 341 | } |
| 342 | return $MsgArray; |
| 343 | } |
| 344 | |
| 345 | function get ($msgNum) { |
| 346 | // Retrieve the specified msg number. Returns an array |
| 347 | // where each line of the msg is an array element. |
| 348 | |
| 349 | if(!isset($this->FP)) |
| 350 | { |
| 351 | $this->ERROR = _("POP3 get:") . ' ' . _("No connection to server"); |
| 352 | return false; |
| 353 | } |
| 354 | |
| 355 | $this->update_timer(); |
| 356 | |
| 357 | $fp = $this->FP; |
| 358 | $buffer = $this->BUFFER; |
| 359 | $cmd = "RETR $msgNum"; |
| 360 | $reply = $this->send_cmd($cmd); |
| 361 | |
| 362 | if(!$this->is_ok($reply)) |
| 363 | { |
| 364 | $this->ERROR = _("POP3 get:") . ' ' . _("Error") . ' ' . "[$reply]"; |
| 365 | return false; |
| 366 | } |
| 367 | |
| 368 | $count = 0; |
| 369 | $MsgArray = array(); |
| 370 | |
| 371 | $line = fgets($fp,$buffer); |
| 372 | while ( !ereg("^\.\r\n",$line)) |
| 373 | { |
| 374 | $MsgArray[$count] = $line; |
| 375 | $count++; |
| 376 | $line = fgets($fp,$buffer); |
| 377 | if(empty($line)) { break; } |
| 378 | } |
| 379 | return $MsgArray; |
| 380 | } |
| 381 | |
| 382 | function last ( $type = "count" ) { |
| 383 | // Returns the highest msg number in the mailbox. |
| 384 | // returns -1 on error, 0+ on success, if type != count |
| 385 | // results in a popstat() call (2 element array returned) |
| 386 | |
| 387 | $last = -1; |
| 388 | if(!isset($this->FP)) |
| 389 | { |
| 390 | $this->ERROR = _("POP3 last:") . ' ' . _("No connection to server"); |
| 391 | return $last; |
| 392 | } |
| 393 | |
| 394 | $reply = $this->send_cmd("STAT"); |
| 395 | if(!$this->is_ok($reply)) |
| 396 | { |
| 397 | $this->ERROR = _("POP3 last:") . ' ' . _("Error") . ' ' . "[$reply]"; |
| 398 | return $last; |
| 399 | } |
| 400 | |
| 401 | $Vars = preg_split('/\s+/',$reply); |
| 402 | $count = $Vars[1]; |
| 403 | $size = $Vars[2]; |
| 404 | settype($count,"integer"); |
| 405 | settype($size,"integer"); |
| 406 | if($type != "count") |
| 407 | { |
| 408 | return array($count,$size); |
| 409 | } |
| 410 | return $count; |
| 411 | } |
| 412 | |
| 413 | function reset () { |
| 414 | // Resets the status of the remote server. This includes |
| 415 | // resetting the status of ALL msgs to not be deleted. |
| 416 | // This method automatically closes the connection to the server. |
| 417 | |
| 418 | if(!isset($this->FP)) |
| 419 | { |
| 420 | $this->ERROR = _("POP3 reset:") . ' ' . _("No connection to server"); |
| 421 | return false; |
| 422 | } |
| 423 | $reply = $this->send_cmd("RSET"); |
| 424 | if(!$this->is_ok($reply)) |
| 425 | { |
| 426 | // The POP3 RSET command -never- gives a -ERR |
| 427 | // response - if it ever does, something truely |
| 428 | // wild is going on. |
| 429 | |
| 430 | $this->ERROR = _("POP3 reset:") . ' ' . _("Error") . ' ' . "[$reply]"; |
| 431 | @error_log("POP3 reset: ERROR [$reply]",0); |
| 432 | } |
| 433 | $this->quit(); |
| 434 | return true; |
| 435 | } |
| 436 | |
| 437 | function send_cmd ( $cmd = "" ) |
| 438 | { |
| 439 | // Sends a user defined command string to the |
| 440 | // POP server and returns the results. Useful for |
| 441 | // non-compliant or custom POP servers. |
| 442 | // Do NOT includ the \r\n as part of your command |
| 443 | // string - it will be appended automatically. |
| 444 | |
| 445 | // The return value is a standard fgets() call, which |
| 446 | // will read up to $this->BUFFER bytes of data, until it |
| 447 | // encounters a new line, or EOF, whichever happens first. |
| 448 | |
| 449 | // This method works best if $cmd responds with only |
| 450 | // one line of data. |
| 451 | |
| 452 | if(!isset($this->FP)) |
| 453 | { |
| 454 | $this->ERROR = _("POP3 send_cmd:") . ' ' . _("No connection to server"); |
| 455 | return false; |
| 456 | } |
| 457 | |
| 458 | if(empty($cmd)) |
| 459 | { |
| 460 | $this->ERROR = _("POP3 send_cmd:") . ' ' . _("Empty command string"); |
| 461 | return ""; |
| 462 | } |
| 463 | |
| 464 | $fp = $this->FP; |
| 465 | $buffer = $this->BUFFER; |
| 466 | $this->update_timer(); |
| 467 | fwrite($fp,"$cmd\r\n"); |
| 468 | $reply = fgets($fp,$buffer); |
| 469 | $reply = $this->strip_clf($reply); |
| 470 | if($this->DEBUG) { @error_log("POP3 SEND [$cmd] GOT [$reply]",0); } |
| 471 | return $reply; |
| 472 | } |
| 473 | |
| 474 | function quit() { |
| 475 | // Closes the connection to the POP3 server, deleting |
| 476 | // any msgs marked as deleted. |
| 477 | |
| 478 | if(!isset($this->FP)) |
| 479 | { |
| 480 | $this->ERROR = _("POP3 quit:") . ' ' . _("connection does not exist"); |
| 481 | return false; |
| 482 | } |
| 483 | $fp = $this->FP; |
| 484 | $cmd = "QUIT"; |
| 485 | fwrite($fp,"$cmd\r\n"); |
| 486 | $reply = fgets($fp,$this->BUFFER); |
| 487 | $reply = $this->strip_clf($reply); |
| 488 | if($this->DEBUG) { @error_log("POP3 SEND [$cmd] GOT [$reply]",0); } |
| 489 | fclose($fp); |
| 490 | unset($this->FP); |
| 491 | return true; |
| 492 | } |
| 493 | |
| 494 | function popstat () { |
| 495 | // Returns an array of 2 elements. The number of undeleted |
| 496 | // msgs in the mailbox, and the size of the mbox in octets. |
| 497 | |
| 498 | $PopArray = $this->last("array"); |
| 499 | |
| 500 | if($PopArray == -1) { return false; } |
| 501 | |
| 502 | if( (!$PopArray) or (empty($PopArray)) ) |
| 503 | { |
| 504 | return false; |
| 505 | } |
| 506 | return $PopArray; |
| 507 | } |
| 508 | |
| 509 | function uidl ($msgNum = "") |
| 510 | { |
| 511 | // Returns the UIDL of the msg specified. If called with |
| 512 | // no arguments, returns an associative array where each |
| 513 | // undeleted msg num is a key, and the msg's uidl is the element |
| 514 | // Array element 0 will contain the total number of msgs |
| 515 | |
| 516 | if(!isset($this->FP)) { |
| 517 | $this->ERROR = _("POP3 uidl:") . ' ' . _("No connection to server"); |
| 518 | return false; |
| 519 | } |
| 520 | |
| 521 | $fp = $this->FP; |
| 522 | $buffer = $this->BUFFER; |
| 523 | |
| 524 | if(!empty($msgNum)) { |
| 525 | $cmd = "UIDL $msgNum"; |
| 526 | $reply = $this->send_cmd($cmd); |
| 527 | if(!$this->is_ok($reply)) |
| 528 | { |
| 529 | $this->ERROR = _("POP3 uidl:") . ' ' . _("Error") . ' ' . "[$reply]"; |
| 530 | return false; |
| 531 | } |
| 532 | list ($ok,$num,$myUidl) = preg_split('/\s+/',$reply); |
| 533 | return $myUidl; |
| 534 | } else { |
| 535 | $this->update_timer(); |
| 536 | |
| 537 | $UIDLArray = array(); |
| 538 | $Total = $this->COUNT; |
| 539 | $UIDLArray[0] = $Total; |
| 540 | |
| 541 | if ($Total < 1) |
| 542 | { |
| 543 | return $UIDLArray; |
| 544 | } |
| 545 | $cmd = "UIDL"; |
| 546 | fwrite($fp, "UIDL\r\n"); |
| 547 | $reply = fgets($fp, $buffer); |
| 548 | $reply = $this->strip_clf($reply); |
| 549 | if($this->DEBUG) { @error_log("POP3 SEND [$cmd] GOT [$reply]",0); } |
| 550 | if(!$this->is_ok($reply)) |
| 551 | { |
| 552 | $this->ERROR = _("POP3 uidl:") . ' ' . _("Error") . ' ' . "[$reply]"; |
| 553 | return false; |
| 554 | } |
| 555 | |
| 556 | $line = ""; |
| 557 | $count = 1; |
| 558 | $line = fgets($fp,$buffer); |
| 559 | while ( !ereg("^\.\r\n",$line)) { |
| 560 | if(ereg("^\.\r\n",$line)) { |
| 561 | break; |
| 562 | } |
| 563 | list ($msg,$msgUidl) = preg_split('/\s+/',$line); |
| 564 | $msgUidl = $this->strip_clf($msgUidl); |
| 565 | if($count == $msg) { |
| 566 | $UIDLArray[$msg] = $msgUidl; |
| 567 | } |
| 568 | else |
| 569 | { |
| 570 | $UIDLArray[$count] = 'deleted'; |
| 571 | } |
| 572 | $count++; |
| 573 | $line = fgets($fp,$buffer); |
| 574 | } |
| 575 | } |
| 576 | return $UIDLArray; |
| 577 | } |
| 578 | |
| 579 | function delete ($msgNum = "") { |
| 580 | // Flags a specified msg as deleted. The msg will not |
| 581 | // be deleted until a quit() method is called. |
| 582 | |
| 583 | if(!isset($this->FP)) |
| 584 | { |
| 585 | $this->ERROR = _("POP3 delete:") . ' ' . _("No connection to server"); |
| 586 | return false; |
| 587 | } |
| 588 | if(empty($msgNum)) |
| 589 | { |
| 590 | $this->ERROR = _("POP3 delete:") . ' ' . _("No msg number submitted"); |
| 591 | return false; |
| 592 | } |
| 593 | $reply = $this->send_cmd("DELE $msgNum"); |
| 594 | if(!$this->is_ok($reply)) |
| 595 | { |
| 596 | $this->ERROR = _("POP3 delete:") . ' ' . _("Command failed") . ' ' . "[$reply]"; |
| 597 | return false; |
| 598 | } |
| 599 | return true; |
| 600 | } |
| 601 | |
| 602 | // ********************************************************* |
| 603 | |
| 604 | // The following methods are internal to the class. |
| 605 | |
| 606 | function is_ok ($cmd = "") { |
| 607 | // Return true or false on +OK or -ERR |
| 608 | |
| 609 | if( empty($cmd) ) |
| 610 | return false; |
| 611 | else |
| 612 | return( ereg ("^\+OK", $cmd ) ); |
| 613 | } |
| 614 | |
| 615 | function strip_clf ($text = "") { |
| 616 | // Strips \r\n from server responses |
| 617 | |
| 618 | if(empty($text)) |
| 619 | return $text; |
| 620 | else { |
| 621 | $stripped = str_replace("\r",'',$text); |
| 622 | $stripped = str_replace("\n",'',$stripped); |
| 623 | return $stripped; |
| 624 | } |
| 625 | } |
| 626 | |
| 627 | function parse_banner ( $server_text ) { |
| 628 | $outside = true; |
| 629 | $banner = ""; |
| 630 | $length = strlen($server_text); |
| 631 | for($count =0; $count < $length; $count++) |
| 632 | { |
| 633 | $digit = substr($server_text,$count,1); |
| 634 | if(!empty($digit)) { |
| 635 | if( (!$outside) && ($digit != '<') && ($digit != '>') ) |
| 636 | { |
| 637 | $banner .= $digit; |
| 638 | } |
| 639 | if ($digit == '<') |
| 640 | { |
| 641 | $outside = false; |
| 642 | } |
| 643 | if($digit == '>') |
| 644 | { |
| 645 | $outside = true; |
| 646 | } |
| 647 | } |
| 648 | } |
| 649 | $banner = $this->strip_clf($banner); // Just in case |
| 650 | return "<$banner>"; |
| 651 | } |
| 652 | |
| 653 | } // End class |
| 654 | |