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PHP Cross Reference of phpwcms V1.4.3 _r380 (23.11.09) |
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1 <?php 2 //////////////////////////////////////////////////// 3 // SMTP - PHP SMTP class 4 // 5 // Version 1.02 6 // 7 // Define an SMTP class that can be used to connect 8 // and communicate with any SMTP server. It implements 9 // all the SMTP functions defined in RFC821 except TURN. 10 // 11 // Author: Chris Ryan 12 // 13 // License: LGPL, see LICENSE 14 //////////////////////////////////////////////////// 15 16 /** 17 * SMTP is rfc 821 compliant and implements all the rfc 821 SMTP 18 * commands except TURN which will always return a not implemented 19 * error. SMTP also provides some utility methods for sending mail 20 * to an SMTP server. 21 * @package PHPMailer 22 * @author Chris Ryan 23 */ 24 class SMTP 25 { 26 /** 27 * SMTP server port 28 * @var int 29 */ 30 var $SMTP_PORT = 25; 31 32 /** 33 * SMTP reply line ending 34 * @var string 35 */ 36 var $CRLF = "\r\n"; 37 38 /** 39 * Sets whether debugging is turned on 40 * @var bool 41 */ 42 var $do_debug; # the level of debug to perform 43 44 /**#@+ 45 * @access private 46 */ 47 var $smtp_conn; # the socket to the server 48 var $error; # error if any on the last call 49 var $helo_rply; # the reply the server sent to us for HELO 50 /**#@-*/ 51 52 /** 53 * Initialize the class so that the data is in a known state. 54 * @access public 55 * @return void 56 */ 57 function SMTP() { 58 $this->smtp_conn = 0; 59 $this->error = null; 60 $this->helo_rply = null; 61 62 $this->do_debug = 0; 63 } 64 65 /************************************************************* 66 * CONNECTION FUNCTIONS * 67 ***********************************************************/ 68 69 /** 70 * Connect to the server specified on the port specified. 71 * If the port is not specified use the default SMTP_PORT. 72 * If tval is specified then a connection will try and be 73 * established with the server for that number of seconds. 74 * If tval is not specified the default is 30 seconds to 75 * try on the connection. 76 * 77 * SMTP CODE SUCCESS: 220 78 * SMTP CODE FAILURE: 421 79 * @access public 80 * @return bool 81 */ 82 function Connect($host,$port=0,$tval=30) { 83 # set the error val to null so there is no confusion 84 $this->error = null; 85 86 # make sure we are __not__ connected 87 if($this->connected()) { 88 # ok we are connected! what should we do? 89 # for now we will just give an error saying we 90 # are already connected 91 $this->error = 92 array("error" => "Already connected to a server"); 93 return false; 94 } 95 96 if(empty($port)) { 97 $port = $this->SMTP_PORT; 98 } 99 100 #connect to the smtp server 101 $this->smtp_conn = fsockopen($host, # the host of the server 102 $port, # the port to use 103 $errno, # error number if any 104 $errstr, # error message if any 105 $tval); # give up after ? secs 106 # verify we connected properly 107 if(empty($this->smtp_conn)) { 108 $this->error = array("error" => "Failed to connect to server", 109 "errno" => $errno, 110 "errstr" => $errstr); 111 if($this->do_debug >= 1) { 112 echo "SMTP -> ERROR: " . $this->error["error"] . 113 ": $errstr ($errno)" . $this->CRLF; 114 } 115 return false; 116 } 117 118 # sometimes the SMTP server takes a little longer to respond 119 # so we will give it a longer timeout for the first read 120 // Windows still does not have support for this timeout function 121 if(substr(PHP_OS, 0, 3) != "WIN") 122 socket_set_timeout($this->smtp_conn, $tval, 0); 123 124 # get any announcement stuff 125 $announce = $this->get_lines(); 126 127 # set the timeout of any socket functions at 1/10 of a second 128 //if(function_exists("socket_set_timeout")) 129 // socket_set_timeout($this->smtp_conn, 0, 100000); 130 131 if($this->do_debug >= 2) { 132 echo "SMTP -> FROM SERVER:" . $this->CRLF . $announce; 133 } 134 135 return true; 136 } 137 138 /** 139 * Performs SMTP authentication. Must be run after running the 140 * Hello() method. Returns true if successfully authenticated. 141 * @access public 142 * @return bool 143 */ 144 function Authenticate($username, $password) { 145 // Start authentication 146 fputs($this->smtp_conn,"AUTH LOGIN" . $this->CRLF); 147 148 $rply = $this->get_lines(); 149 $code = substr($rply,0,3); 150 151 if($code != 334) { 152 $this->error = 153 array("error" => "AUTH not accepted from server", 154 "smtp_code" => $code, 155 "smtp_msg" => substr($rply,4)); 156 if($this->do_debug >= 1) { 157 echo "SMTP -> ERROR: " . $this->error["error"] . 158 ": " . $rply . $this->CRLF; 159 } 160 return false; 161 } 162 163 // Send encoded username 164 fputs($this->smtp_conn, base64_encode($username) . $this->CRLF); 165 166 $rply = $this->get_lines(); 167 $code = substr($rply,0,3); 168 169 if($code != 334) { 170 $this->error = 171 array("error" => "Username not accepted from server", 172 "smtp_code" => $code, 173 "smtp_msg" => substr($rply,4)); 174 if($this->do_debug >= 1) { 175 echo "SMTP -> ERROR: " . $this->error["error"] . 176 ": " . $rply . $this->CRLF; 177 } 178 return false; 179 } 180 181 // Send encoded password 182 fputs($this->smtp_conn, base64_encode($password) . $this->CRLF); 183 184 $rply = $this->get_lines(); 185 $code = substr($rply,0,3); 186 187 if($code != 235) { 188 $this->error = 189 array("error" => "Password not accepted from server", 190 "smtp_code" => $code, 191 "smtp_msg" => substr($rply,4)); 192 if($this->do_debug >= 1) { 193 echo "SMTP -> ERROR: " . $this->error["error"] . 194 ": " . $rply . $this->CRLF; 195 } 196 return false; 197 } 198 199 return true; 200 } 201 202 /** 203 * Returns true if connected to a server otherwise false 204 * @access private 205 * @return bool 206 */ 207 function Connected() { 208 if(!empty($this->smtp_conn)) { 209 $sock_status = socket_get_status($this->smtp_conn); 210 if($sock_status["eof"]) { 211 # hmm this is an odd situation... the socket is 212 # valid but we aren't connected anymore 213 if($this->do_debug >= 1) { 214 echo "SMTP -> NOTICE:" . $this->CRLF . 215 "EOF caught while checking if connected"; 216 } 217 $this->Close(); 218 return false; 219 } 220 return true; # everything looks good 221 } 222 return false; 223 } 224 225 /** 226 * Closes the socket and cleans up the state of the class. 227 * It is not considered good to use this function without 228 * first trying to use QUIT. 229 * @access public 230 * @return void 231 */ 232 function Close() { 233 $this->error = null; # so there is no confusion 234 $this->helo_rply = null; 235 if(!empty($this->smtp_conn)) { 236 # close the connection and cleanup 237 fclose($this->smtp_conn); 238 $this->smtp_conn = 0; 239 } 240 } 241 242 243 /*************************************************************** 244 * SMTP COMMANDS * 245 *************************************************************/ 246 247 /** 248 * Issues a data command and sends the msg_data to the server 249 * finializing the mail transaction. $msg_data is the message 250 * that is to be send with the headers. Each header needs to be 251 * on a single line followed by a <CRLF> with the message headers 252 * and the message body being seperated by and additional <CRLF>. 253 * 254 * Implements rfc 821: DATA <CRLF> 255 * 256 * SMTP CODE INTERMEDIATE: 354 257 * [data] 258 * <CRLF>.<CRLF> 259 * SMTP CODE SUCCESS: 250 260 * SMTP CODE FAILURE: 552,554,451,452 261 * SMTP CODE FAILURE: 451,554 262 * SMTP CODE ERROR : 500,501,503,421 263 * @access public 264 * @return bool 265 */ 266 function Data($msg_data) { 267 $this->error = null; # so no confusion is caused 268 269 if(!$this->connected()) { 270 $this->error = array( 271 "error" => "Called Data() without being connected"); 272 return false; 273 } 274 275 fputs($this->smtp_conn,"DATA" . $this->CRLF); 276 277 $rply = $this->get_lines(); 278 $code = substr($rply,0,3); 279 280 if($this->do_debug >= 2) { 281 echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; 282 } 283 284 if($code != 354) { 285 $this->error = 286 array("error" => "DATA command not accepted from server", 287 "smtp_code" => $code, 288 "smtp_msg" => substr($rply,4)); 289 if($this->do_debug >= 1) { 290 echo "SMTP -> ERROR: " . $this->error["error"] . 291 ": " . $rply . $this->CRLF; 292 } 293 return false; 294 } 295 296 # the server is ready to accept data! 297 # according to rfc 821 we should not send more than 1000 298 # including the CRLF 299 # characters on a single line so we will break the data up 300 # into lines by \r and/or \n then if needed we will break 301 # each of those into smaller lines to fit within the limit. 302 # in addition we will be looking for lines that start with 303 # a period '.' and append and additional period '.' to that 304 # line. NOTE: this does not count towards are limit. 305 306 # normalize the line breaks so we know the explode works 307 $msg_data = str_replace("\r\n","\n",$msg_data); 308 $msg_data = str_replace("\r","\n",$msg_data); 309 $lines = explode("\n",$msg_data); 310 311 # we need to find a good way to determine is headers are 312 # in the msg_data or if it is a straight msg body 313 # currently I'm assuming rfc 822 definitions of msg headers 314 # and if the first field of the first line (':' sperated) 315 # does not contain a space then it _should_ be a header 316 # and we can process all lines before a blank "" line as 317 # headers. 318 $field = substr($lines[0],0,strpos($lines[0],":")); 319 $in_headers = false; 320 if(!empty($field) && !strstr($field," ")) { 321 $in_headers = true; 322 } 323 324 $max_line_length = 998; # used below; set here for ease in change 325 326 while(list(,$line) = @each($lines)) { 327 $lines_out = null; 328 if($line == "" && $in_headers) { 329 $in_headers = false; 330 } 331 # ok we need to break this line up into several 332 # smaller lines 333 while(strlen($line) > $max_line_length) { 334 $pos = strrpos(substr($line,0,$max_line_length)," "); 335 336 # Patch to fix DOS attack 337 if(!$pos) { 338 $pos = $max_line_length - 1; 339 } 340 341 $lines_out[] = substr($line,0,$pos); 342 $line = substr($line,$pos + 1); 343 # if we are processing headers we need to 344 # add a LWSP-char to the front of the new line 345 # rfc 822 on long msg headers 346 if($in_headers) { 347 $line = "\t" . $line; 348 } 349 } 350 $lines_out[] = $line; 351 352 # now send the lines to the server 353 while(list(,$line_out) = @each($lines_out)) { 354 if(strlen($line_out) > 0) 355 { 356 if(substr($line_out, 0, 1) == ".") { 357 $line_out = "." . $line_out; 358 } 359 } 360 fputs($this->smtp_conn,$line_out . $this->CRLF); 361 } 362 } 363 364 # ok all the message data has been sent so lets get this 365 # over with aleady 366 fputs($this->smtp_conn, $this->CRLF . "." . $this->CRLF); 367 368 $rply = $this->get_lines(); 369 $code = substr($rply,0,3); 370 371 if($this->do_debug >= 2) { 372 echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; 373 } 374 375 if($code != 250) { 376 $this->error = 377 array("error" => "DATA not accepted from server", 378 "smtp_code" => $code, 379 "smtp_msg" => substr($rply,4)); 380 if($this->do_debug >= 1) { 381 echo "SMTP -> ERROR: " . $this->error["error"] . 382 ": " . $rply . $this->CRLF; 383 } 384 return false; 385 } 386 return true; 387 } 388 389 /** 390 * Expand takes the name and asks the server to list all the 391 * people who are members of the _list_. Expand will return 392 * back and array of the result or false if an error occurs. 393 * Each value in the array returned has the format of: 394 * [ <full-name> <sp> ] <path> 395 * The definition of <path> is defined in rfc 821 396 * 397 * Implements rfc 821: EXPN <SP> <string> <CRLF> 398 * 399 * SMTP CODE SUCCESS: 250 400 * SMTP CODE FAILURE: 550 401 * SMTP CODE ERROR : 500,501,502,504,421 402 * @access public 403 * @return string array 404 */ 405 function Expand($name) { 406 $this->error = null; # so no confusion is caused 407 408 if(!$this->connected()) { 409 $this->error = array( 410 "error" => "Called Expand() without being connected"); 411 return false; 412 } 413 414 fputs($this->smtp_conn,"EXPN " . $name . $this->CRLF); 415 416 $rply = $this->get_lines(); 417 $code = substr($rply,0,3); 418 419 if($this->do_debug >= 2) { 420 echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; 421 } 422 423 if($code != 250) { 424 $this->error = 425 array("error" => "EXPN not accepted from server", 426 "smtp_code" => $code, 427 "smtp_msg" => substr($rply,4)); 428 if($this->do_debug >= 1) { 429 echo "SMTP -> ERROR: " . $this->error["error"] . 430 ": " . $rply . $this->CRLF; 431 } 432 return false; 433 } 434 435 # parse the reply and place in our array to return to user 436 $entries = explode($this->CRLF,$rply); 437 while(list(,$l) = @each($entries)) { 438 $list[] = substr($l,4); 439 } 440 441 return $list; 442 } 443 444 /** 445 * Sends the HELO command to the smtp server. 446 * This makes sure that we and the server are in 447 * the same known state. 448 * 449 * Implements from rfc 821: HELO <SP> <domain> <CRLF> 450 * 451 * SMTP CODE SUCCESS: 250 452 * SMTP CODE ERROR : 500, 501, 504, 421 453 * @access public 454 * @return bool 455 */ 456 function Hello($host="") { 457 $this->error = null; # so no confusion is caused 458 459 if(!$this->connected()) { 460 $this->error = array( 461 "error" => "Called Hello() without being connected"); 462 return false; 463 } 464 465 # if a hostname for the HELO wasn't specified determine 466 # a suitable one to send 467 if(empty($host)) { 468 # we need to determine some sort of appopiate default 469 # to send to the server 470 $host = "localhost"; 471 } 472 473 // Send extended hello first (RFC 2821) 474 if(!$this->SendHello("EHLO", $host)) 475 { 476 if(!$this->SendHello("HELO", $host)) 477 return false; 478 } 479 480 return true; 481 } 482 483 /** 484 * Sends a HELO/EHLO command. 485 * @access private 486 * @return bool 487 */ 488 function SendHello($hello, $host) { 489 fputs($this->smtp_conn, $hello . " " . $host . $this->CRLF); 490 491 $rply = $this->get_lines(); 492 $code = substr($rply,0,3); 493 494 if($this->do_debug >= 2) { 495 echo "SMTP -> FROM SERVER: " . $this->CRLF . $rply; 496 } 497 498 if($code != 250) { 499 $this->error = 500 array("error" => $hello . " not accepted from server", 501 "smtp_code" => $code, 502 "smtp_msg" => substr($rply,4)); 503 if($this->do_debug >= 1) { 504 echo "SMTP -> ERROR: " . $this->error["error"] . 505 ": " . $rply . $this->CRLF; 506 } 507 return false; 508 } 509 510 $this->helo_rply = $rply; 511 512 return true; 513 } 514 515 /** 516 * Gets help information on the keyword specified. If the keyword 517 * is not specified then returns generic help, ussually contianing 518 * A list of keywords that help is available on. This function 519 * returns the results back to the user. It is up to the user to 520 * handle the returned data. If an error occurs then false is 521 * returned with $this->error set appropiately. 522 * 523 * Implements rfc 821: HELP [ <SP> <string> ] <CRLF> 524 * 525 * SMTP CODE SUCCESS: 211,214 526 * SMTP CODE ERROR : 500,501,502,504,421 527 * @access public 528 * @return string 529 */ 530 function Help($keyword="") { 531 $this->error = null; # to avoid confusion 532 533 if(!$this->connected()) { 534 $this->error = array( 535 "error" => "Called Help() without being connected"); 536 return false; 537 } 538 539 $extra = ""; 540 if(!empty($keyword)) { 541 $extra = " " . $keyword; 542 } 543 544 fputs($this->smtp_conn,"HELP" . $extra . $this->CRLF); 545 546 $rply = $this->get_lines(); 547 $code = substr($rply,0,3); 548 549 if($this->do_debug >= 2) { 550 echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; 551 } 552 553 if($code != 211 && $code != 214) { 554 $this->error = 555 array("error" => "HELP not accepted from server", 556 "smtp_code" => $code, 557 "smtp_msg" => substr($rply,4)); 558 if($this->do_debug >= 1) { 559 echo "SMTP -> ERROR: " . $this->error["error"] . 560 ": " . $rply . $this->CRLF; 561 } 562 return false; 563 } 564 565 return $rply; 566 } 567 568 /** 569 * Starts a mail transaction from the email address specified in 570 * $from. Returns true if successful or false otherwise. If True 571 * the mail transaction is started and then one or more Recipient 572 * commands may be called followed by a Data command. 573 * 574 * Implements rfc 821: MAIL <SP> FROM:<reverse-path> <CRLF> 575 * 576 * SMTP CODE SUCCESS: 250 577 * SMTP CODE SUCCESS: 552,451,452 578 * SMTP CODE SUCCESS: 500,501,421 579 * @access public 580 * @return bool 581 */ 582 function Mail($from) { 583 $this->error = null; # so no confusion is caused 584 585 if(!$this->connected()) { 586 $this->error = array( 587 "error" => "Called Mail() without being connected"); 588 return false; 589 } 590 591 fputs($this->smtp_conn,"MAIL FROM:<" . $from . ">" . $this->CRLF); 592 593 $rply = $this->get_lines(); 594 $code = substr($rply,0,3); 595 596 if($this->do_debug >= 2) { 597 echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; 598 } 599 600 if($code != 250) { 601 $this->error = 602 array("error" => "MAIL not accepted from server", 603 "smtp_code" => $code, 604 "smtp_msg" => substr($rply,4)); 605 if($this->do_debug >= 1) { 606 echo "SMTP -> ERROR: " . $this->error["error"] . 607 ": " . $rply . $this->CRLF; 608 } 609 return false; 610 } 611 return true; 612 } 613 614 /** 615 * Sends the command NOOP to the SMTP server. 616 * 617 * Implements from rfc 821: NOOP <CRLF> 618 * 619 * SMTP CODE SUCCESS: 250 620 * SMTP CODE ERROR : 500, 421 621 * @access public 622 * @return bool 623 */ 624 function Noop() { 625 $this->error = null; # so no confusion is caused 626 627 if(!$this->connected()) { 628 $this->error = array( 629 "error" => "Called Noop() without being connected"); 630 return false; 631 } 632 633 fputs($this->smtp_conn,"NOOP" . $this->CRLF); 634 635 $rply = $this->get_lines(); 636 $code = substr($rply,0,3); 637 638 if($this->do_debug >= 2) { 639 echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; 640 } 641 642 if($code != 250) { 643 $this->error = 644 array("error" => "NOOP not accepted from server", 645 "smtp_code" => $code, 646 "smtp_msg" => substr($rply,4)); 647 if($this->do_debug >= 1) { 648 echo "SMTP -> ERROR: " . $this->error["error"] . 649 ": " . $rply . $this->CRLF; 650 } 651 return false; 652 } 653 return true; 654 } 655 656 /** 657 * Sends the quit command to the server and then closes the socket 658 * if there is no error or the $close_on_error argument is true. 659 * 660 * Implements from rfc 821: QUIT <CRLF> 661 * 662 * SMTP CODE SUCCESS: 221 663 * SMTP CODE ERROR : 500 664 * @access public 665 * @return bool 666 */ 667 function Quit($close_on_error=true) { 668 $this->error = null; # so there is no confusion 669 670 if(!$this->connected()) { 671 $this->error = array( 672 "error" => "Called Quit() without being connected"); 673 return false; 674 } 675 676 # send the quit command to the server 677 fputs($this->smtp_conn,"quit" . $this->CRLF); 678 679 # get any good-bye messages 680 $byemsg = $this->get_lines(); 681 682 if($this->do_debug >= 2) { 683 echo "SMTP -> FROM SERVER:" . $this->CRLF . $byemsg; 684 } 685 686 $rval = true; 687 $e = null; 688 689 $code = substr($byemsg,0,3); 690 if($code != 221) { 691 # use e as a tmp var cause Close will overwrite $this->error 692 $e = array("error" => "SMTP server rejected quit command", 693 "smtp_code" => $code, 694 "smtp_rply" => substr($byemsg,4)); 695 $rval = false; 696 if($this->do_debug >= 1) { 697 echo "SMTP -> ERROR: " . $e["error"] . ": " . 698 $byemsg . $this->CRLF; 699 } 700 } 701 702 if(empty($e) || $close_on_error) { 703 $this->Close(); 704 } 705 706 return $rval; 707 } 708 709 /** 710 * Sends the command RCPT to the SMTP server with the TO: argument of $to. 711 * Returns true if the recipient was accepted false if it was rejected. 712 * 713 * Implements from rfc 821: RCPT <SP> TO:<forward-path> <CRLF> 714 * 715 * SMTP CODE SUCCESS: 250,251 716 * SMTP CODE FAILURE: 550,551,552,553,450,451,452 717 * SMTP CODE ERROR : 500,501,503,421 718 * @access public 719 * @return bool 720 */ 721 function Recipient($to) { 722 $this->error = null; # so no confusion is caused 723 724 if(!$this->connected()) { 725 $this->error = array( 726 "error" => "Called Recipient() without being connected"); 727 return false; 728 } 729 730 fputs($this->smtp_conn,"RCPT TO:<" . $to . ">" . $this->CRLF); 731 732 $rply = $this->get_lines(); 733 $code = substr($rply,0,3); 734 735 if($this->do_debug >= 2) { 736 echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; 737 } 738 739 if($code != 250 && $code != 251) { 740 $this->error = 741 array("error" => "RCPT not accepted from server", 742 "smtp_code" => $code, 743 "smtp_msg" => substr($rply,4)); 744 if($this->do_debug >= 1) { 745 echo "SMTP -> ERROR: " . $this->error["error"] . 746 ": " . $rply . $this->CRLF; 747 } 748 return false; 749 } 750 return true; 751 } 752 753 /** 754 * Sends the RSET command to abort and transaction that is 755 * currently in progress. Returns true if successful false 756 * otherwise. 757 * 758 * Implements rfc 821: RSET <CRLF> 759 * 760 * SMTP CODE SUCCESS: 250 761 * SMTP CODE ERROR : 500,501,504,421 762 * @access public 763 * @return bool 764 */ 765 function Reset() { 766 $this->error = null; # so no confusion is caused 767 768 if(!$this->connected()) { 769 $this->error = array( 770 "error" => "Called Reset() without being connected"); 771 return false; 772 } 773 774 fputs($this->smtp_conn,"RSET" . $this->CRLF); 775 776 $rply = $this->get_lines(); 777 $code = substr($rply,0,3); 778 779 if($this->do_debug >= 2) { 780 echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; 781 } 782 783 if($code != 250) { 784 $this->error = 785 array("error" => "RSET failed", 786 "smtp_code" => $code, 787 "smtp_msg" => substr($rply,4)); 788 if($this->do_debug >= 1) { 789 echo "SMTP -> ERROR: " . $this->error["error"] . 790 ": " . $rply . $this->CRLF; 791 } 792 return false; 793 } 794 795 return true; 796 } 797 798 /** 799 * Starts a mail transaction from the email address specified in 800 * $from. Returns true if successful or false otherwise. If True 801 * the mail transaction is started and then one or more Recipient 802 * commands may be called followed by a Data command. This command 803 * will send the message to the users terminal if they are logged 804 * in. 805 * 806 * Implements rfc 821: SEND <SP> FROM:<reverse-path> <CRLF> 807 * 808 * SMTP CODE SUCCESS: 250 809 * SMTP CODE SUCCESS: 552,451,452 810 * SMTP CODE SUCCESS: 500,501,502,421 811 * @access public 812 * @return bool 813 */ 814 function Send($from) { 815 $this->error = null; # so no confusion is caused 816 817 if(!$this->connected()) { 818 $this->error = array( 819 "error" => "Called Send() without being connected"); 820 return false; 821 } 822 823 fputs($this->smtp_conn,"SEND FROM:" . $from . $this->CRLF); 824 825 $rply = $this->get_lines(); 826 $code = substr($rply,0,3); 827 828 if($this->do_debug >= 2) { 829 echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; 830 } 831 832 if($code != 250) { 833 $this->error = 834 array("error" => "SEND not accepted from server", 835 "smtp_code" => $code, 836 "smtp_msg" => substr($rply,4)); 837 if($this->do_debug >= 1) { 838 echo "SMTP -> ERROR: " . $this->error["error"] . 839 ": " . $rply . $this->CRLF; 840 } 841 return false; 842 } 843 return true; 844 } 845 846 /** 847 * Starts a mail transaction from the email address specified in 848 * $from. Returns true if successful or false otherwise. If True 849 * the mail transaction is started and then one or more Recipient 850 * commands may be called followed by a Data command. This command 851 * will send the message to the users terminal if they are logged 852 * in and send them an email. 853 * 854 * Implements rfc 821: SAML <SP> FROM:<reverse-path> <CRLF> 855 * 856 * SMTP CODE SUCCESS: 250 857 * SMTP CODE SUCCESS: 552,451,452 858 * SMTP CODE SUCCESS: 500,501,502,421 859 * @access public 860 * @return bool 861 */ 862 function SendAndMail($from) { 863 $this->error = null; # so no confusion is caused 864 865 if(!$this->connected()) { 866 $this->error = array( 867 "error" => "Called SendAndMail() without being connected"); 868 return false; 869 } 870 871 fputs($this->smtp_conn,"SAML FROM:" . $from . $this->CRLF); 872 873 $rply = $this->get_lines(); 874 $code = substr($rply,0,3); 875 876 if($this->do_debug >= 2) { 877 echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; 878 } 879 880 if($code != 250) { 881 $this->error = 882 array("error" => "SAML not accepted from server", 883 "smtp_code" => $code, 884 "smtp_msg" => substr($rply,4)); 885 if($this->do_debug >= 1) { 886 echo "SMTP -> ERROR: " . $this->error["error"] . 887 ": " . $rply . $this->CRLF; 888 } 889 return false; 890 } 891 return true; 892 } 893 894 /** 895 * Starts a mail transaction from the email address specified in 896 * $from. Returns true if successful or false otherwise. If True 897 * the mail transaction is started and then one or more Recipient 898 * commands may be called followed by a Data command. This command 899 * will send the message to the users terminal if they are logged 900 * in or mail it to them if they are not. 901 * 902 * Implements rfc 821: SOML <SP> FROM:<reverse-path> <CRLF> 903 * 904 * SMTP CODE SUCCESS: 250 905 * SMTP CODE SUCCESS: 552,451,452 906 * SMTP CODE SUCCESS: 500,501,502,421 907 * @access public 908 * @return bool 909 */ 910 function SendOrMail($from) { 911 $this->error = null; # so no confusion is caused 912 913 if(!$this->connected()) { 914 $this->error = array( 915 "error" => "Called SendOrMail() without being connected"); 916 return false; 917 } 918 919 fputs($this->smtp_conn,"SOML FROM:" . $from . $this->CRLF); 920 921 $rply = $this->get_lines(); 922 $code = substr($rply,0,3); 923 924 if($this->do_debug >= 2) { 925 echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; 926 } 927 928 if($code != 250) { 929 $this->error = 930 array("error" => "SOML not accepted from server", 931 "smtp_code" => $code, 932 "smtp_msg" => substr($rply,4)); 933 if($this->do_debug >= 1) { 934 echo "SMTP -> ERROR: " . $this->error["error"] . 935 ": " . $rply . $this->CRLF; 936 } 937 return false; 938 } 939 return true; 940 } 941 942 /** 943 * This is an optional command for SMTP that this class does not 944 * support. This method is here to make the RFC821 Definition 945 * complete for this class and __may__ be implimented in the future 946 * 947 * Implements from rfc 821: TURN <CRLF> 948 * 949 * SMTP CODE SUCCESS: 250 950 * SMTP CODE FAILURE: 502 951 * SMTP CODE ERROR : 500, 503 952 * @access public 953 * @return bool 954 */ 955 function Turn() { 956 $this->error = array("error" => "This method, TURN, of the SMTP ". 957 "is not implemented"); 958 if($this->do_debug >= 1) { 959 echo "SMTP -> NOTICE: " . $this->error["error"] . $this->CRLF; 960 } 961 return false; 962 } 963 964 /** 965 * Verifies that the name is recognized by the server. 966 * Returns false if the name could not be verified otherwise 967 * the response from the server is returned. 968 * 969 * Implements rfc 821: VRFY <SP> <string> <CRLF> 970 * 971 * SMTP CODE SUCCESS: 250,251 972 * SMTP CODE FAILURE: 550,551,553 973 * SMTP CODE ERROR : 500,501,502,421 974 * @access public 975 * @return int 976 */ 977 function Verify($name) { 978 $this->error = null; # so no confusion is caused 979 980 if(!$this->connected()) { 981 $this->error = array( 982 "error" => "Called Verify() without being connected"); 983 return false; 984 } 985 986 fputs($this->smtp_conn,"VRFY " . $name . $this->CRLF); 987 988 $rply = $this->get_lines(); 989 $code = substr($rply,0,3); 990 991 if($this->do_debug >= 2) { 992 echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; 993 } 994 995 if($code != 250 && $code != 251) { 996 $this->error = 997 array("error" => "VRFY failed on name '$name'", 998 "smtp_code" => $code, 999 "smtp_msg" => substr($rply,4)); 1000 if($this->do_debug >= 1) { 1001 echo "SMTP -> ERROR: " . $this->error["error"] . 1002 ": " . $rply . $this->CRLF; 1003 } 1004 return false; 1005 } 1006 return $rply; 1007 } 1008 1009 /******************************************************************* 1010 * INTERNAL FUNCTIONS * 1011 ******************************************************************/ 1012 1013 /** 1014 * Read in as many lines as possible 1015 * either before eof or socket timeout occurs on the operation. 1016 * With SMTP we can tell if we have more lines to read if the 1017 * 4th character is '-' symbol. If it is a space then we don't 1018 * need to read anything else. 1019 * @access private 1020 * @return string 1021 */ 1022 function get_lines() { 1023 $data = ""; 1024 while($str = fgets($this->smtp_conn,515)) { 1025 if($this->do_debug >= 4) { 1026 echo "SMTP -> get_lines(): \$data was \"$data\"" . 1027 $this->CRLF; 1028 echo "SMTP -> get_lines(): \$str is \"$str\"" . 1029 $this->CRLF; 1030 } 1031 $data .= $str; 1032 if($this->do_debug >= 4) { 1033 echo "SMTP -> get_lines(): \$data is \"$data\"" . $this->CRLF; 1034 } 1035 # if the 4th character is a space then we are done reading 1036 # so just break the loop 1037 if(substr($str,3,1) == " ") { break; } 1038 } 1039 return $data; 1040 } 1041 1042 } 1043 1044 1045 ?>
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