src/compose.php

   1 <?php
   2 /**
   3  * compose.php
   4  *
   5  * This code sends a mail.
   6  *
   7  * There are 4 modes of operation:
   8  *    - Start new mail
   9  *    - Add an attachment
  10  *    - Send mail
  11  *    - Save As Draft
  12  *
  13  * @copyright 1999-2012 The SquirrelMail Project Team
  14  * @license http://opensource.org/licenses/gpl-license.php GNU Public License
  15  * @version $Id$
  16  * @package squirrelmail
  17  */
  18
  19 /** This is the compose page */
  20 define('PAGE_NAME', 'compose');
  21
  22 /**
  23  * Include the SquirrelMail initialization file.
  24  */
  25 require('../include/init.php');
  26
  27 /* If email_address not set and admin wants us to ask user for it,
  28  * redirect to options page. */
  29 if ( $ask_user_info && getPref($data_dir, $username,'email_address') == "" ) {
  30     header("Location: " . get_location() . "/options.php?optpage=personal");
  31     exit;
  32 }
  33
  34 /* SquirrelMail required files. */
  35 require_once(SM_PATH . 'functions/imap_general.php');
  36 require_once(SM_PATH . 'functions/imap_messages.php');
  37 require_once(SM_PATH . 'functions/date.php');
  38 require_once(SM_PATH . 'functions/mime.php');
  39 require_once(SM_PATH . 'functions/compose.php');
  40 require_once(SM_PATH . 'class/deliver/Deliver.class.php');
  41 require_once(SM_PATH . 'functions/addressbook.php');
  42 require_once(SM_PATH . 'functions/forms.php');
  43 require_once(SM_PATH . 'functions/identity.php');
  44
  45 /* --------------------- Get globals ------------------------------------- */
  46
  47 /** SESSION VARS */
  48 sqgetGlobalVar('delimiter', $delimiter,     SQ_SESSION);
  49
  50 sqgetGlobalVar('delayed_errors',  $delayed_errors,  SQ_SESSION);
  51 sqgetGlobalVar('composesession',    $composesession,    SQ_SESSION);
  52 sqgetGlobalVar('compose_messages',  $compose_messages,  SQ_SESSION);
  53
  54 // compose_messages only useful in SESSION when a forward-as-attachment
  55 // has been preconstructed for us and passed in via that mechanism; once
  56 // we have it, we can clear it from the SESSION
  57 sqsession_unregister('compose_messages');
  58
  59 // Turn on delayed error handling in case we wind up redirecting below
  60 $oErrorHandler->setDelayedErrors(true);
  61
  62 /** SESSION/POST/GET VARS */
  63 sqgetGlobalVar('send_button_count', $send_button_count, SQ_POST, 1, SQ_TYPE_INT);
  64 for ($i = 1; $i <= $send_button_count; $i++)
  65    if (sqgetGlobalVar('send' . $i, $send, SQ_POST)) break;
  66 // Send can only be achieved by setting $_POST var. If Send = true then
  67 // retrieve other form fields from $_POST
  68 if (isset($send) && $send) {
  69     $SQ_GLOBAL = SQ_POST;
  70 } else {
  71     $SQ_GLOBAL = SQ_FORM;
  72 }
  73 sqgetGlobalVar('session',$session, $SQ_GLOBAL);
  74 sqgetGlobalVar('mailbox',$mailbox, $SQ_GLOBAL);
  75 if(!sqgetGlobalVar('identity',$identity, $SQ_GLOBAL)) {
  76     $identity=0;
  77 }
  78 sqgetGlobalVar('send_to',$send_to, $SQ_GLOBAL);
  79 sqgetGlobalVar('send_to_cc',$send_to_cc, $SQ_GLOBAL);
  80 sqgetGlobalVar('send_to_bcc',$send_to_bcc, $SQ_GLOBAL);
  81 sqgetGlobalVar('subject',$subject, $SQ_GLOBAL);
  82 sqgetGlobalVar('body',$body, $SQ_GLOBAL);
  83 sqgetGlobalVar('mailprio',$mailprio, $SQ_GLOBAL);
  84 sqgetGlobalVar('request_mdn',$request_mdn, $SQ_GLOBAL);
  85 sqgetGlobalVar('request_dr',$request_dr, $SQ_GLOBAL);
  86 sqgetGlobalVar('html_addr_search',$html_addr_search, $SQ_GLOBAL);
  87 sqgetGlobalVar('mail_sent',$mail_sent, $SQ_GLOBAL);
  88 sqgetGlobalVar('passed_id',$passed_id, $SQ_GLOBAL, NULL, SQ_TYPE_BIGINT);
  89 sqgetGlobalVar('passed_ent_id',$passed_ent_id, $SQ_GLOBAL);
  90 sqgetGlobalVar('fwduid',$fwduid, $SQ_GLOBAL, '');
  91
  92 sqgetGlobalVar('attach',$attach, SQ_POST);
  93 sqgetGlobalVar('draft',$draft, SQ_POST);
  94 sqgetGlobalVar('draft_id',$draft_id, $SQ_GLOBAL);
  95 sqgetGlobalVar('ent_num',$ent_num, $SQ_GLOBAL);
  96 sqgetGlobalVar('saved_draft',$saved_draft, SQ_FORM);
  97
  98 if ( sqgetGlobalVar('delete_draft',$delete_draft) ) {
  99     $delete_draft = (int)$delete_draft;
 100 }
 101
 102 if ( sqgetGlobalVar('startMessage',$startMessage) ) {
 103     $startMessage = (int)$startMessage;
 104 } else {
 105     $startMessage = 1;
 106 }
 107
 108
 109 /** POST VARS */
 110 sqgetGlobalVar('sigappend',             $sigappend,                 SQ_POST);
 111 sqgetGlobalVar('from_htmladdr_search',  $from_htmladdr_search,      SQ_POST);
 112 sqgetGlobalVar('addr_search_done',      $html_addr_search_done,     SQ_POST);
 113 sqgetGlobalVar('addr_search_cancel',    $html_addr_search_cancel,   SQ_POST);
 114 sqgetGlobalVar('send_to_search',        $send_to_search,            SQ_POST);
 115 sqgetGlobalVar('do_delete',             $do_delete,                 SQ_POST);
 116 sqgetGlobalVar('delete',                $delete,                    SQ_POST);
 117 sqgetGlobalVar('attachments',           $attachments,               SQ_POST);
 118 if ( sqgetGlobalVar('return', $temp, SQ_POST) ) {
 119     $html_addr_search_done = 'Use Addresses';
 120 }
 121
 122 /** GET VARS */
 123 if ( sqgetGlobalVar('account', $temp,  SQ_GET) ) {
 124     $iAccount = (int) $temp;
 125 } else {
 126     $iAccount = 0;
 127 }
 128
 129
 130 /** get smaction */
 131 if ( !sqgetGlobalVar('smaction',$action) )
 132 {
 133     if ( sqgetGlobalVar('smaction_reply',$tmp) )      $action = 'reply';
 134     if ( sqgetGlobalVar('smaction_reply_all',$tmp) )  $action = 'reply_all';
 135     if ( sqgetGlobalVar('smaction_forward',$tmp) )    $action = 'forward';
 136     if ( sqgetGlobalVar('smaction_attache',$tmp) )    $action = 'forward_as_attachment';
 137     if ( sqgetGlobalVar('smaction_draft',$tmp) )      $action = 'draft';
 138     if ( sqgetGlobalVar('smaction_edit_new',$tmp) )   $action = 'edit_as_new';
 139 }
 140
 141 sqgetGlobalVar('smtoken', $submitted_token, $SQ_GLOBAL, '');
 142
 143 /**
 144  * Here we decode the data passed in from mailto.php.
 145  */
 146 if ( sqgetGlobalVar('mailtodata', $mailtodata, SQ_GET) ) {
 147     $trtable = array('to'       => 'send_to',
 148                  'cc'           => 'send_to_cc',
 149                  'bcc'          => 'send_to_bcc',
 150                  'body'         => 'body',
 151                  'subject'      => 'subject');
 152     $mtdata = unserialize($mailtodata);
 153
 154     foreach ($trtable as $f => $t) {
 155         if ( !empty($mtdata[$f]) ) {
 156             $$t = $mtdata[$f];
 157         }
 158     }
 159     unset($mailtodata,$mtdata, $trtable);
 160 }
 161
 162 /* Location (For HTTP 1.1 header("Location: ...") redirects) */
 163 $location = get_location();
 164 /* Identities (fetch only once) */
 165 $idents = get_identities();
 166
 167 /* --------------------- Specific Functions ------------------------------ */
 168
 169 function replyAllString($header) {
 170     global $include_self_reply_all, $idents;
 171     $excl_ar = array();
 172     /**
 173      * 1) Remove the addresses we'll be sending the message 'to'
 174      */
 175     if (isset($header->reply_to)) {
 176         $excl_ar = $header->getAddr_a('reply_to');
 177     }
 178     /**
 179      * 2) Remove our identities from the CC list (they still can be in the
 180      * TO list) only if $include_self_reply_all is turned off
 181      */
 182     if (!$include_self_reply_all) {
 183         foreach($idents as $id) {
 184             $excl_ar[strtolower(trim($id['email_address']))] = '';
 185         }
 186     }
 187
 188     /**
 189      * 3) get the addresses.
 190      */
 191     $url_replytoall_ar = $header->getAddr_a(array('to','cc'), $excl_ar);
 192
 193     /**
 194      * 4) generate the string.
 195      */
 196     $url_replytoallcc = '';
 197     foreach( $url_replytoall_ar as $email => $personal) {
 198         if ($personal) {
 199             // always quote personal name (can't just quote it if
 200             // it contains a comma separator, since it might still
 201             // be encoded)
 202             $url_replytoallcc .= ", \"$personal\" <$email>";
 203         } else {
 204             $url_replytoallcc .= ', '. $email;
 205         }
 206     }
 207     $url_replytoallcc = substr($url_replytoallcc,2);
 208
 209     return $url_replytoallcc;
 210 }
 211
 212 /**
 213  * creates top line in reply citations
 214  *
 215  * Line style depends on user preferences.
 216  * $orig_date argument is available only from 1.4.3 and 1.5.1 version.
 217  * @param object $orig_from From: header object.
 218  * @param integer $orig_date email's timestamp
 219  * @return string reply citation
 220  */
 221 function getReplyCitation($orig_from, $orig_date) {
 222     global $reply_citation_style, $reply_citation_start, $reply_citation_end;
 223
 224     if (!is_object($orig_from)) {
 225         $sOrig_from = '';
 226     } else {
 227         $sOrig_from = decodeHeader($orig_from->getAddress(false),false,false,true);
 228     }
 229
 230     /* First, return an empty string when no citation style selected. */
 231     if (($reply_citation_style == '') || ($reply_citation_style == 'none')) {
 232         return '';
 233     }
 234
 235     /* Make sure our final value isn't an empty string. */
 236     if ($sOrig_from == '') {
 237         return '';
 238     }
 239
 240     /* Otherwise, try to select the desired citation style. */
 241     switch ($reply_citation_style) {
 242     case 'author_said':
 243         // i18n: %s is for author's name
 244         $full_reply_citation = sprintf(_("%s wrote:"),$sOrig_from);
 245         break;
 246     case 'quote_who':
 247         $start = '<quote who="';
 248         $end   = '">';
 249         $full_reply_citation = $start . $sOrig_from . $end;
 250         break;
 251     case 'date_time_author':
 252         // i18n:
 253         // The first %s is for date string, the second %s is for author's name.
 254         // The date uses formating from "D, F j, Y g:i a" and "D, F j, Y H:i"
 255         // translations.
 256         // Example string:
 257         // "On Sat, December 24, 2004 23:59, Santa wrote:"
 258         // If you have to put author's name in front of date string, check comments about
 259         // argument swapping at http://php.net/sprintf
 260         $full_reply_citation = sprintf(_("On %s, %s wrote:"), getLongDateString($orig_date), $sOrig_from);
 261         break;
 262     case 'user-defined':
 263         $start = $reply_citation_start .
 264             ($reply_citation_start == '' ? '' : ' ');
 265         $end   = $reply_citation_end;
 266         $full_reply_citation = $start . $sOrig_from . $end;
 267         break;
 268     default:
 269         return '';
 270     }
 271
 272     /* Add line feed and return the citation string. */
 273     return ($full_reply_citation . "\n");
 274 }
 275
 276 /**
 277  * Creates header fields in forwarded email body
 278  *
 279  * $default_charset global must be set correctly before you call this function.
 280  * @param object $orig_header
 281  * @return $string
 282  */
 283 function getforwardHeader($orig_header) {
 284     global $editor_size, $default_charset;
 285
 286     // using own strlen function in order to detect correct string length
 287     $display = array( _("Subject") => sq_strlen(_("Subject"),$default_charset),
 288             _("From")    => sq_strlen(_("From"),$default_charset),
 289             _("Date")    => sq_strlen(_("Date"),$default_charset),
 290             _("To")      => sq_strlen(_("To"),$default_charset),
 291             _("Cc")      => sq_strlen(_("Cc"),$default_charset) );
 292     $maxsize = max($display);
 293     $indent = str_pad('',$maxsize+2);
 294     foreach($display as $key => $val) {
 295         $display[$key] = $key .': '. str_pad('', $maxsize - $val);
 296     }
 297     $from = decodeHeader($orig_header->getAddr_s('from',"\n$indent"),false,false,true);
 298     $from = str_replace('&nbsp;',' ',$from);
 299     $to = decodeHeader($orig_header->getAddr_s('to',"\n$indent"),false,false,true);
 300     $to = str_replace('&nbsp;',' ',$to);
 301     $subject = decodeHeader($orig_header->subject,false,false,true);
 302     $subject = str_replace('&nbsp;',' ',$subject);
 303
 304     // using own str_pad function in order to create correct string pad
 305     $bodyTop =  sq_str_pad(' '._("Original Message").' ',$editor_size -2,'-',STR_PAD_BOTH,$default_charset) .
 306         "\n". $display[_("Subject")] . $subject . "\n" .
 307         $display[_("From")] . $from . "\n" .
 308         $display[_("Date")] . getLongDateString( $orig_header->date, $orig_header->date_unparsed ). "\n" .
 309         $display[_("To")] . $to . "\n";
 310     if ($orig_header->cc != array() && $orig_header->cc !='') {
 311         $cc = decodeHeader($orig_header->getAddr_s('cc',"\n$indent"),false,false,true);
 312         $cc = str_replace('&nbsp;',' ',$cc);
 313         $bodyTop .= $display[_("Cc")] .$cc . "\n";
 314     }
 315     $bodyTop .= str_pad('', $editor_size -2 , '-') .
 316         "\n\n";
 317     return $bodyTop;
 318 }
 319 /* ----------------------------------------------------------------------- */
 320
 321 /*
 322  * If the session is expired during a post this restores the compose session
 323  * vars.
 324  */
 325 $session_expired = false;
 326 if (sqsession_is_registered('session_expired_post')) {
 327     sqgetGlobalVar('session_expired_post', $session_expired_post, SQ_SESSION);
 328     /*
 329      * extra check for username so we don't display previous post data from
 330      * another user during this session.
 331      */
 332     if (!empty($session_expired_post['username'])
 333      && $session_expired_post['username'] == $username) {
 334         // these are the vars that we can set from the expired composed session
 335         $compo_var_list = array ('send_to', 'send_to_cc', 'body',
 336             'startMessage', 'passed_body', 'use_signature', 'signature',
 337             'subject', 'newmail', 'send_to_bcc', 'passed_id', 'mailbox',
 338             'from_htmladdr_search', 'identity', 'draft_id', 'delete_draft',
 339             'mailprio', 'edit_as_new', 'attachments', 'composesession',
 340             'request_mdn', 'request_dr', 'fwduid');
 341
 342         foreach ($compo_var_list as $var) {
 343             if ( isset($session_expired_post[$var]) && !isset($$var) ) {
 344                 $$var = $session_expired_post[$var];
 345             }
 346         }
 347
 348         if (!empty($attachments))
 349             $attachments = unserialize(urldecode($attachments));
 350
 351         sqsession_register($composesession,'composesession');
 352
 353         if (isset($send)) {
 354             unset($send);
 355         }
 356         $session_expired = true;
 357     }
 358     unset($session_expired_post);
 359     sqsession_unregister('session_expired_post');
 360     session_write_close();
 361     if (!isset($mailbox)) {
 362         $mailbox = '';
 363     }
 364     if ($compose_new_win == '1') {
 365         compose_Header($color, $mailbox);
 366     } else {
 367         $sHeaderJs = (isset($sHeaderJs)) ? $sHeaderJs : '';
 368         if (strpos($action, 'reply') !== false && $reply_focus) {
 369             $sOnload = 'checkForm(\''.$replyfocus.'\');';
 370         } else {
 371             $sOnload = 'checkForm();';
 372         }
 373         displayPageHeader($color, $mailbox,$sHeaderJs,$sOnload);
 374     }
 375     showInputForm($session, false);
 376     exit();
 377 }
 378
 379 if (!isset($composesession)) {
 380     $composesession = 0;
 381     sqsession_register(0,'composesession');
 382 } else {
 383     $composesession = (int)$composesession;
 384 }
 385
 386 if (!isset($session) || (isset($newmessage) && $newmessage)) {
 387     sqsession_unregister('composesession');
 388     $session = "$composesession" +1;
 389     $composesession = $session;
 390     sqsession_register($composesession,'composesession');
 391 }
 392 if (!empty($compose_messages[$session])) {
 393     $composeMessage = $compose_messages[$session];
 394 } else {
 395     $composeMessage = new Message();
 396     $rfc822_header = new Rfc822Header();
 397     $composeMessage->rfc822_header = $rfc822_header;
 398     $composeMessage->reply_rfc822_header = '';
 399 }
 400
 401 // re-add attachments that were already in this message
 402 // FIXME: note that technically this is very bad form -
 403 // should never directly manipulate an object like this
 404 if (!empty($attachments)) {
 405     $attachments = unserialize(urldecode($attachments));
 406     if (!empty($attachments) && is_array($attachments))
 407         $composeMessage->entities = $attachments;
 408 }
 409
 410 if (empty($mailbox)) {
 411     $mailbox = 'INBOX';
 412 }
 413
 414 if ($draft) {
 415
 416     // validate security token
 417     //
 418     sm_validate_security_token($submitted_token, 3600, TRUE);
 419
 420     /*
 421      * Set $default_charset to correspond with the user's selection
 422      * of language interface.
 423      */
 424     set_my_charset();
 425     if (! deliverMessage($composeMessage, true)) {
 426         showInputForm($session);
 427         exit();
 428     } else {
 429         $draft_message = _("Draft Email Saved");
 430         /* If this is a resumed draft, then delete the original */
 431         if(isset($delete_draft)) {
 432             $imap_stream = sqimap_login($username, false, $imapServerAddress, $imapPort, false);
 433             sqimap_mailbox_select($imap_stream, $draft_folder);
 434             // force bypass_trash=true because message should be saved when deliverMessage() returns true.
 435             // in current implementation of sqimap_msgs_list_flag() single message id can
 436             // be submitted as string. docs state that it should be array.
 437             sqimap_msgs_list_delete($imap_stream, $draft_folder, $delete_draft, true);
 438             if ($auto_expunge) {
 439                 sqimap_mailbox_expunge($imap_stream, $draft_folder, true);
 440             }
 441             sqimap_logout($imap_stream);
 442         }
 443
 444         $oErrorHandler->saveDelayedErrors();
 445         session_write_close();
 446
 447         if ($compose_new_win == '1') {
 448             if ( !isset($pageheader_sent) || !$pageheader_sent ) {
 449                 header("Location: $location/compose.php?saved_draft=yes&session=$composesession");
 450             } else {
 451 //FIXME: DON'T ECHO HTML FROM CORE!
 452                 echo '   <br><br><div style="text-align: center;"><a href="' . $location
 453                     . '/compose.php?saved_sent=yes&amp;session=' . $composesession . '">'
 454                     . _("Return") . '</a></div>';
 455             }
 456             exit();
 457         } else {
 458             if ( !isset($pageheader_sent) || !$pageheader_sent ) {
 459                 header("Location: $location/right_main.php?mailbox=" . urlencode($draft_folder) .
 460                    "&startMessage=1&note=".urlencode($draft_message));
 461             } else {
 462 //FIXME: DON'T ECHO HTML FROM CORE!
 463                 echo '   <br><br><div style="text-align: center;"><a href="' . $location
 464                     . '/right_main.php?mailbox=' . urlencode($draft_folder)
 465                     . '&amp;startMessage=1&amp;note=' . urlencode($draft_message) .'">'
 466                     . _("Return") . '</a></div>';
 467             }
 468             exit();
 469         }
 470     }
 471 }
 472
 473 if ($send) {
 474
 475     // validate security token
 476     //
 477     sm_validate_security_token($submitted_token, 3600, TRUE);
 478
 479     if (isset($_FILES['attachfile']) &&
 480             $_FILES['attachfile']['tmp_name'] &&
 481             $_FILES['attachfile']['tmp_name'] != 'none') {
 482         $AttachFailure = saveAttachedFiles($session);
 483     }
 484
 485     if (checkInput(false) && !isset($AttachFailure)) {
 486         if ($mailbox == "All Folders") {
 487             /* We entered compose via the search results page */
 488             $mailbox = 'INBOX'; /* Send 'em to INBOX, that's safe enough */
 489         }
 490         $urlMailbox = urlencode($mailbox);
 491         if (! isset($passed_id)) {
 492             $passed_id = 0;
 493         }
 494         /**
 495          * Set $default_charset to correspond with the user's selection
 496          * of language interface.
 497          */
 498         set_my_charset();
 499         /**
 500          * This is to change all newlines to \n
 501          * We'll change them to \r\n later (in the sendMessage function)
 502          */
 503         $body = str_replace("\r\n", "\n", $body);
 504         $body = str_replace("\r", "\n", $body);
 505
 506         /**
 507          * Rewrap $body so that no line is bigger than $editor_size
 508          */
 509         $body = explode("\n", $body);
 510         $newBody = '';
 511         foreach ($body as $line) {
 512             if( $line <> '-- ' ) {
 513                 $line = rtrim($line);
 514             }
 515             if (sq_strlen($line, $default_charset) <= $editor_size + 1) {
 516                 $newBody .= $line . "\n";
 517             } else {
 518                 sqWordWrap($line, $editor_size, $default_charset);
 519                 $newBody .= $line . "\n";
 520
 521             }
 522
 523         }
 524         $body = $newBody;
 525
 526         $Result = deliverMessage($composeMessage);
 527
 528         if ($Result)
 529             $mail_sent = 'yes';
 530         else
 531             $mail_sent = 'no';
 532
 533         // NOTE: this hook changed in 1.5.2 from sending $Result and
 534         //       $composeMessage as args #2 and #3 to being in an array
 535         //       under arg #2
 536         $temp = array(&$Result, &$composeMessage, &$mail_sent);
 537         do_hook('compose_send_after', $temp);
 538         if (! $Result) {
 539             showInputForm($session);
 540             exit();
 541         }
 542
 543         /* if it is resumed draft, delete draft message */
 544         if ( isset($delete_draft)) {
 545             $imap_stream = sqimap_login($username, false, $imapServerAddress, $imapPort, false);
 546             sqimap_mailbox_select($imap_stream, $draft_folder);
 547             // bypass_trash=true because message should be saved when deliverMessage() returns true.
 548             // in current implementation of sqimap_msgs_list_flag() single message id can
 549             // be submitted as string. docs state that it should be array.
 550             sqimap_msgs_list_delete($imap_stream, $draft_folder, $delete_draft, true);
 551             if ($auto_expunge) {
 552                 sqimap_mailbox_expunge($imap_stream, $draft_folder, true);
 553             }
 554             sqimap_logout($imap_stream);
 555         }
 556         /*
 557          * Store the error array in the session because they will be lost on a redirect
 558          */
 559         $oErrorHandler->saveDelayedErrors();
 560         session_write_close();
 561
 562         if ($compose_new_win == '1') {
 563             if ( !isset($pageheader_sent) || !$pageheader_sent ) {
 564                 header("Location: $location/compose.php?mail_sent=$mail_sent");
 565             } else {
 566 //FIXME: DON'T ECHO HTML FROM CORE!
 567                 echo '   <br><br><div style="text-align: center;"><a href="' . $location
 568                     . '/compose.php?mail_sent=$mail_sent">'
 569                     . _("Return") . '</a></div>';
 570             }
 571             exit();
 572         } else {
 573             if ( !isset($pageheader_sent) || !$pageheader_sent ) {
 574                 header("Location: $location/right_main.php?mailbox=$urlMailbox".
 575                     "&startMessage=$startMessage&mail_sent=$mail_sent");
 576             } else {
 577 //FIXME: DON'T ECHO HTML FROM CORE!
 578                 echo '   <br><br><div style="text-align: center;"><a href="' . $location
 579                     . "/right_main.php?mailbox=$urlMailbox"
 580                     . "&amp;startMessage=$startMessage&amp;mail_sent=$mail_sent\">"
 581                     . _("Return") . '</a></div>';
 582             }
 583             exit();
 584         }
 585     } else {
 586         if ($compose_new_win == '1') {
 587             compose_Header($color, $mailbox);
 588         }
 589         else {
 590             displayPageHeader($color, $mailbox);
 591         }
 592         if (isset($AttachFailure)) {
 593             plain_error_message(_("Could not move/copy file. File not attached"),
 594                     $color);
 595         }
 596         checkInput(true);
 597         showInputForm($session);
 598         /* sqimap_logout($imapConnection); */
 599     }
 600 } elseif (isset($html_addr_search_done)) {
 601
 602     // validate security token
 603     //
 604     sm_validate_security_token($submitted_token, 3600, TRUE);
 605
 606     if ($compose_new_win == '1') {
 607         compose_Header($color, $mailbox);
 608     }
 609     else {
 610         displayPageHeader($color, $mailbox);
 611     }
 612
 613     if (isset($send_to_search) && is_array($send_to_search)) {
 614         foreach ($send_to_search as $k => $v) {
 615             if (substr($k, 0, 1) == 'T') {
 616                 if ($send_to) {
 617                     $send_to .= ', ';
 618                 }
 619                 $send_to .= $v;
 620             }
 621             elseif (substr($k, 0, 1) == 'C') {
 622                 if ($send_to_cc) {
 623                     $send_to_cc .= ', ';
 624                 }
 625                 $send_to_cc .= $v;
 626             }
 627             elseif (substr($k, 0, 1) == 'B') {
 628                 if ($send_to_bcc) {
 629                     $send_to_bcc .= ', ';
 630                 }
 631                 $send_to_bcc .= $v;
 632             }
 633         }
 634     }
 635     showInputForm($session);
 636 } elseif (isset($html_addr_search) && !isset($html_addr_search_cancel)) {
 637     if (isset($_FILES['attachfile']) &&
 638             $_FILES['attachfile']['tmp_name'] &&
 639             $_FILES['attachfile']['tmp_name'] != 'none') {
 640         if(saveAttachedFiles($session)) {
 641             plain_error_message(_("Could not move/copy file. File not attached"));
 642         }
 643     }
 644     /*
 645      * I am using an include so as to elminiate an extra unnecessary
 646      * click.  If you can think of a better way, please implement it.
 647      */
 648     include_once('./addrbook_search_html.php');
 649 } elseif (isset($attach)) {
 650
 651     // validate security token
 652     //
 653     sm_validate_security_token($submitted_token, 3600, TRUE);
 654
 655     if ($compose_new_win == '1') {
 656         compose_Header($color, $mailbox);
 657     } else {
 658         displayPageHeader($color, $mailbox);
 659     }
 660     if (saveAttachedFiles($session)) {
 661         plain_error_message(_("Could not move/copy file. File not attached"));
 662     }
 663     showInputForm($session);
 664 }
 665 elseif (isset($sigappend)) {
 666
 667     // validate security token
 668     //
 669     sm_validate_security_token($submitted_token, 3600, TRUE);
 670
 671     $signature = $idents[$identity]['signature'];
 672
 673     $body .= "\n\n".($prefix_sig==true? "-- \n":'').$signature;
 674     if ($compose_new_win == '1') {
 675         compose_Header($color, $mailbox);
 676     } else {
 677         displayPageHeader($color, $mailbox);
 678     }
 679     showInputForm($session);
 680 } elseif (isset($do_delete)) {
 681
 682     // validate security token
 683     //
 684     sm_validate_security_token($submitted_token, 3600, TRUE);
 685
 686     if ($compose_new_win == '1') {
 687         compose_Header($color, $mailbox);
 688     } else {
 689         displayPageHeader($color, $mailbox);
 690     }
 691
 692     if (isset($delete) && is_array($delete)) {
 693         foreach($delete as $index) {
 694             if (!empty($composeMessage->entities) && isset($composeMessage->entities[$index])) {
 695                 $composeMessage->entities[$index]->purgeAttachments();
 696                 // FIXME: one person reported that unset() didn't do anything at all here, so this is a work-around... but it triggers PHP notices if the unset() doesn't work, which should be fixed... but bigger question is if unset() doesn't work here, what about everywhere else? Anyway, uncomment this if you think you need it
 697                 //$composeMessage->entities[$index] = NULL;
 698                 unset ($composeMessage->entities[$index]);
 699             }
 700         }
 701         $new_entities = array();
 702         foreach ($composeMessage->entities as $entity) {
 703             $new_entities[] = $entity;
 704         }
 705         $composeMessage->entities = $new_entities;
 706     }
 707     showInputForm($session);
 708 } else {
 709     /*
 710      * This handles the default case as well as the error case
 711      * (they had the same code) --> if (isset($smtpErrors))
 712      */
 713
 714     if ($compose_new_win == '1') {
 715         compose_Header($color, $mailbox);
 716     } else {
 717         displayPageHeader($color, $mailbox);
 718     }
 719
 720     $newmail = true;
 721
 722     if (!isset($passed_ent_id)) {
 723         $passed_ent_id = '';
 724     }
 725     if (!isset($passed_id)) {
 726         $passed_id = '';
 727     }
 728     if (!isset($mailbox)) {
 729         $mailbox = '';
 730     }
 731     if (!isset($action)) {
 732         $action = '';
 733     }
 734
 735     $values = newMail($mailbox,$passed_id,$passed_ent_id, $action, $session);
 736
 737     // forward as attachment - subject is in the message in session
 738     //
 739     if ($action == 'forward_as_attachment' && empty($values['subject']))
 740         $subject = $composeMessage->rfc822_header->subject;
 741
 742     /* in case the origin is not read_body.php */
 743     if (isset($send_to)) {
 744         $values['send_to'] = $send_to;
 745     }
 746     if (isset($send_to_cc)) {
 747         $values['send_to_cc'] = $send_to_cc;
 748     }
 749     if (isset($send_to_bcc)) {
 750         $values['send_to_bcc'] = $send_to_bcc;
 751     }
 752     if (isset($subject)) {
 753         $values['subject'] = $subject;
 754     }
 755     showInputForm($session, $values);
 756 }
 757
 758 exit();
 759
 760 /**************** Only function definitions go below *************/
 761
 762 function getforwardSubject($subject)
 763 {
 764     if ((substr(strtolower($subject), 0, 4) != 'fwd:') &&
 765             (substr(strtolower($subject), 0, 5) != '[fwd:') &&
 766             (substr(strtolower($subject), 0, 6) != '[ fwd:')) {
 767         $subject = '[Fwd: ' . $subject . ']';
 768     }
 769     return $subject;
 770 }
 771
 772 /* This function is used when not sending or adding attachments */
 773 function newMail ($mailbox='', $passed_id='', $passed_ent_id='', $action='', $session='') {
 774     global $editor_size, $default_use_priority, $body, $idents,
 775         $use_signature, $data_dir, $username,
 776         $key, $imapServerAddress, $imapPort,
 777         $composeMessage, $body_quote, $request_mdn, $request_dr,
 778         $mdn_user_support, $languages, $squirrelmail_language,
 779         $default_charset, $do_not_reply_to_self;
 780
 781     /*
 782      * Set $default_charset to correspond with the user's selection
 783      * of language interface. $default_charset global is not correct,
 784      * if message is composed in new window.
 785      */
 786     set_my_charset();
 787
 788     $send_to = $send_to_cc = $send_to_bcc = $subject = $identity = '';
 789     $mailprio = 3;
 790
 791     if ($passed_id) {
 792         $imapConnection = sqimap_login($username, false, $imapServerAddress,
 793                 $imapPort, 0);
 794
 795         sqimap_mailbox_select($imapConnection, $mailbox);
 796         $message = sqimap_get_message($imapConnection, $passed_id, $mailbox);
 797
 798         $body = '';
 799         if ($passed_ent_id) {
 800             /* redefine the messsage in case of message/rfc822 */
 801             $message = $message->getEntity($passed_ent_id);
 802             /* message is an entity which contains the envelope and type0=message
 803              * and type1=rfc822. The actual entities are childs from
 804              * $message->entities[0]. That's where the encoding and is located
 805              */
 806
 807             $entities = $message->entities[0]->findDisplayEntity
 808                 (array(), $alt_order = array('text/plain'));
 809             if (!count($entities)) {
 810                 $entities = $message->entities[0]->findDisplayEntity
 811                     (array(), $alt_order = array('text/plain','text/html'));
 812             }
 813             $orig_header = $message->rfc822_header; /* here is the envelope located */
 814             /* redefine the message for picking up the attachments */
 815             $message = $message->entities[0];
 816
 817         } else {
 818             $entities = $message->findDisplayEntity (array(), $alt_order = array('text/plain'));
 819             if (!count($entities)) {
 820                 $entities = $message->findDisplayEntity (array(), $alt_order = array('text/plain','text/html'));
 821             }
 822             $orig_header = $message->rfc822_header;
 823         }
 824
 825         $type0 = $message->type0;
 826         $type1 = $message->type1;
 827         foreach ($entities as $ent) {
 828             $msg = $message->getEntity($ent);
 829             $type0 = $msg->type0;
 830             $type1 = $msg->type1;
 831             $unencoded_bodypart = mime_fetch_body($imapConnection, $passed_id, $ent);
 832             $body_part_entity = $message->getEntity($ent);
 833             $bodypart = decodeBody($unencoded_bodypart,
 834                     $body_part_entity->header->encoding);
 835             if ($type1 == 'html') {
 836                 $bodypart = str_replace("\n", ' ', $bodypart);
 837                 $bodypart = preg_replace(array('/<\/?p>/i','/<div><\/div>/i','/<br\s*(\/)*>/i','/<\/?div>/i'), "\n", $bodypart);
 838                 $bodypart = str_replace(array('&nbsp;','&gt;','&lt;'),array(' ','>','<'),$bodypart);
 839                 $bodypart = strip_tags($bodypart);
 840             }
 841             if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
 842                     function_exists($languages[$squirrelmail_language]['XTRA_CODE'] . '_decode')) {
 843                 if (mb_detect_encoding($bodypart) != 'ASCII') {
 844                     $bodypart = call_user_func($languages[$squirrelmail_language]['XTRA_CODE'] . '_decode', $bodypart);
 845                 }
 846             }
 847
 848             // charset encoding in compose form stuff
 849             if (isset($body_part_entity->header->parameters['charset'])) {
 850                 $actual = $body_part_entity->header->parameters['charset'];
 851             } else {
 852                 $actual = 'us-ascii';
 853             }
 854
 855             if ( $actual && is_conversion_safe($actual) && $actual != $default_charset){
 856                 $bodypart = charset_convert($actual,$bodypart,$default_charset,false);
 857             }
 858             // end of charset encoding in compose
 859
 860             $body .= $bodypart;
 861         }
 862         if ($default_use_priority) {
 863             $mailprio = substr($orig_header->priority,0,1);
 864             if (!$mailprio) {
 865                 $mailprio = 3;
 866             }
 867         } else {
 868             $mailprio = '';
 869         }
 870
 871         $from_o = $orig_header->from;
 872         if (is_array($from_o)) {
 873             if (isset($from_o[0])) {
 874                 $from_o = $from_o[0];
 875             }
 876         }
 877         if (is_object($from_o)) {
 878             $orig_from = $from_o->getAddress();
 879         } else {
 880             $orig_from = '';
 881         }
 882
 883         $identities = array();
 884         if (count($idents) > 1) {
 885             foreach($idents as $nr=>$data) {
 886                 $enc_from_name = '"'.$data['full_name'].'" <'. $data['email_address'].'>';
 887                 $identities[] = $enc_from_name;
 888             }
 889
 890             $identity_match = $orig_header->findAddress($identities);
 891             if ($identity_match !== FALSE) {
 892                 $identity = $identity_match;
 893             }
 894         }
 895
 896         switch ($action) {
 897             case ('draft'):
 898                 $use_signature = FALSE;
 899                 $composeMessage->rfc822_header = $orig_header;
 900                 $send_to = decodeHeader($orig_header->getAddr_s('to'),false,false,true);
 901                 $send_to_cc = decodeHeader($orig_header->getAddr_s('cc'),false,false,true);
 902                 $send_to_bcc = decodeHeader($orig_header->getAddr_s('bcc'),false,false,true);
 903                 $send_from = $orig_header->getAddr_s('from');
 904                 $send_from_parts = new AddressStructure();
 905                 $send_from_parts = $orig_header->parseAddress($send_from);
 906                 $send_from_add = $send_from_parts->mailbox . '@' . $send_from_parts->host;
 907                 $identity = find_identity(array($send_from_add));
 908                 $subject = decodeHeader($orig_header->subject,false,false,true);
 909
 910                 // Remember the receipt settings
 911                 $request_mdn = $mdn_user_support && !empty($orig_header->dnt) ? '1' : '0';
 912                 $request_dr = $mdn_user_support && !empty($orig_header->drnt) ? '1' : '0';
 913
 914                 /* remember the references and in-reply-to headers in case of an reply */
 915 //FIXME: it would be better to fiddle with headers inside of the message object or possibly when delivering the message to its destination (drafts folder?); is this possible?
 916                 $composeMessage->rfc822_header->more_headers['References'] = $orig_header->references;
 917                 $composeMessage->rfc822_header->more_headers['In-Reply-To'] = $orig_header->in_reply_to;
 918                 // rewrap the body to clean up quotations and line lengths
 919                 sqBodyWrap($body, $editor_size);
 920                 $composeMessage = getAttachments($message, $composeMessage, $passed_id, $entities, $imapConnection);
 921                 break;
 922             case ('edit_as_new'):
 923                 $send_to = decodeHeader($orig_header->getAddr_s('to'),false,false,true);
 924                 $send_to_cc = decodeHeader($orig_header->getAddr_s('cc'),false,false,true);
 925                 $send_to_bcc = decodeHeader($orig_header->getAddr_s('bcc'),false,false,true);
 926                 $subject = decodeHeader($orig_header->subject,false,false,true);
 927                 $mailprio = $orig_header->priority;
 928                 $orig_from = '';
 929                 $composeMessage = getAttachments($message, $composeMessage, $passed_id, $entities, $imapConnection);
 930                 // rewrap the body to clean up quotations and line lengths
 931                 sqBodyWrap($body, $editor_size);
 932                 break;
 933             case ('forward'):
 934                 $send_to = '';
 935                 $subject = getforwardSubject(decodeHeader($orig_header->subject,false,false,true));
 936                 $body = getforwardHeader($orig_header) . $body;
 937                 // the logic for calling sqUnWordWrap here would be to allow the browser to wrap the lines
 938                 // forwarded message text should be as undisturbed as possible, so commenting out this call
 939                 // sqUnWordWrap($body);
 940                 $composeMessage = getAttachments($message, $composeMessage, $passed_id, $entities, $imapConnection);
 941
 942                 //add a blank line after the forward headers
 943                 $body = "\n" . $body;
 944                 break;
 945             case ('forward_as_attachment'):
 946                 $subject = getforwardSubject(decodeHeader($orig_header->subject,false,false,true));
 947                 $composeMessage = getMessage_RFC822_Attachment($message, $composeMessage, $passed_id, $passed_ent_id, $imapConnection);
 948                 $subject = decodeHeader($orig_header->subject,false,false,true);
 949                 $subject = str_replace('"', "'", $subject);
 950                 $subject = trim($subject);
 951                 if (substr(strtolower($subject), 0, 4) != 'fwd:') {
 952                     $subject = 'Fwd: ' . $subject;
 953                 }
 954                 $body = '';
 955                 break;
 956             case ('reply_all'):
 957                 if(isset($orig_header->mail_followup_to) && $orig_header->mail_followup_to) {
 958                     $send_to = $orig_header->getAddr_s('mail_followup_to');
 959                 } else {
 960                     $send_to_cc = replyAllString($orig_header);
 961                     $send_to_cc = decodeHeader($send_to_cc,false,false,true);
 962                     $send_to_cc = str_replace('""', '"', $send_to_cc);
 963                 }
 964             case ('reply'):
 965                 // skip this if send_to was already set right above here
 966                 if(!$send_to) {
 967                     $send_to = $orig_header->reply_to;
 968                     if (is_array($send_to) && count($send_to)) {
 969                         $send_to = $orig_header->getAddr_s('reply_to', ',', FALSE, TRUE);
 970                     } else if (is_object($send_to)) { /* unneccesarry, just for failsafe purpose */
 971                         $send_to = $orig_header->getAddr_s('reply_to', ',', FALSE, TRUE);
 972                     } else {
 973                         $send_to = $orig_header->getAddr_s('from', ',', FALSE, TRUE);
 974                     }
 975                 }
 976                 $send_to = decodeHeader($send_to,false,false,true);
 977                 $send_to = str_replace('""', '"', $send_to);
 978
 979
 980                 // If user doesn't want replies to her own messages
 981                 // going back to herself (instead send again to the
 982                 // original recipient of the message being replied to),
 983                 // then iterate through identities, checking if the TO
 984                 // field is one of them (if the reply is to ourselves)
 985                 //
 986                 // Note we don't bother if the original message doesn't
 987                 // have anything in the TO field itself (because that's
 988                 // what we use if we change the recipient to be that of
 989                 // the previous message)
 990                 //
 991                 if ($do_not_reply_to_self && !empty($orig_header->to)) {
 992
 993                     $orig_to = '';
 994
 995                     foreach($idents as $id) {
 996
 997                         if (!empty($id['email_address'])
 998                          && strpos($send_to, $id['email_address']) !== FALSE) {
 999
1000                             // if this is a reply-all, the original recipient
1001                             // is already in the CC field, so we can just blank
1002                             // the recipient (TO field) (as long as the CC field
1003                             // isn't empty that is) and we're done
1004                             //
1005                             if ($action == 'reply_all') {
1006                                 if (!empty($send_to_cc)) $send_to = '';
1007                                 break;
1008                             }
1009
1010                             $orig_to = $orig_header->to;
1011                             if (is_array($orig_to) && count($orig_to)) {
1012                                 $orig_to = $orig_header->getAddr_s('to', ',', FALSE, TRUE);
1013                             } else if (is_object($orig_to)) { /* unneccesarry, just for failsafe purpose */
1014                                 $orig_to = $orig_header->getAddr_s('to', ',', FALSE, TRUE);
1015                             } else {
1016                                 $orig_to = '';
1017                             }
1018                             $orig_to = decodeHeader($orig_to,false,false,true);
1019                             $orig_to = str_replace('""', '"', $orig_to);
1020
1021                             break;
1022                         }
1023                     }
1024
1025                     // if the reply was addressed back to ourselves,
1026                     // we will send it to the TO of the previous message
1027                     //
1028                     if (!empty($orig_to)) {
1029
1030                         $send_to = $orig_to;
1031                     }
1032
1033                 }
1034
1035
1036                 $subject = decodeHeader($orig_header->subject,false,false,true);
1037                 $subject = str_replace('"', "'", $subject);
1038                 $subject = trim($subject);
1039                 if (substr(strtolower($subject), 0, 3) != 're:') {
1040                     $subject = 'Re: ' . $subject;
1041                 }
1042                 /* this corrects some wrapping/quoting problems on replies */
1043                 $rewrap_body = explode("\n", $body);
1044                 $from = (is_array($orig_header->from) && !empty($orig_header->from)) ? $orig_header->from[0] : $orig_header->from;
1045                 $body = '';
1046                 $strip_sigs = getPref($data_dir, $username, 'strip_sigs');
1047                 foreach ($rewrap_body as $line) {
1048                     if ($strip_sigs && rtrim($line, "\r\n") == '-- ') {
1049                         break;
1050                     }
1051                     if (preg_match("/^(>+)/", $line, $matches)) {
1052                         $gt = $matches[1];
1053                         $body .= $body_quote . str_replace("\n", "\n$body_quote$gt ", rtrim($line)) ."\n";
1054                     } else {
1055                         $body .= $body_quote . (!empty($body_quote) ? ' ' : '') . str_replace("\n", "\n$body_quote" . (!empty($body_quote) ? ' ' : ''), rtrim($line)) . "\n";
1056                     }
1057                 }
1058
1059                 //rewrap the body to clean up quotations and line lengths
1060                 $body = sqBodyWrap ($body, $editor_size);
1061
1062                 $body = getReplyCitation($from , $orig_header->date) . $body;
1063                 $composeMessage->reply_rfc822_header = $orig_header;
1064
1065                 break;
1066             default:
1067                 break;
1068         }
1069 //FIXME: we used to register $compose_messages in the session here, but not any more - so do we still need the session_write_close() and sqimap_logout() here?  We probably need the IMAP logout, but what about the session closure?
1070         session_write_close();
1071         sqimap_logout($imapConnection);
1072     }
1073     $ret = array( 'send_to' => $send_to,
1074             'send_to_cc' => $send_to_cc,
1075             'send_to_bcc' => $send_to_bcc,
1076             'subject' => $subject,
1077             'mailprio' => $mailprio,
1078             'body' => $body,
1079             'identity' => $identity );
1080
1081     return ($ret);
1082 } /* function newMail() */
1083
1084 /**
1085  * downloads attachments from original message, stores them in attachment directory and adds
1086  * them to composed message.
1087  * @param object $message
1088  * @param object $composeMessage
1089  * @param integer $passed_id
1090  * @param mixed $entities
1091  * @param mixed $imapConnection
1092  * @return object
1093  */
1094 function getAttachments($message, &$composeMessage, $passed_id, $entities, $imapConnection) {
1095     global $squirrelmail_language, $languages, $username, $attachment_dir;
1096
1097     if (!count($message->entities) ||
1098             ($message->type0 == 'message' && $message->type1 == 'rfc822')) {
1099         if ( !in_array($message->entity_id, $entities) && $message->entity_id) {
1100             switch ($message->type0) {
1101                 case 'message':
1102                     if ($message->type1 == 'rfc822') {
1103                         $filename = $message->rfc822_header->subject;
1104                         if ($filename == "") {
1105                             $filename = "untitled-".$message->entity_id;
1106                         }
1107                         $filename .= '.eml';
1108                     } else {
1109                         $filename = $message->getFilename();
1110                     }
1111                     break;
1112                 default:
1113                     if (!$message->mime_header) { /* temporary hack */
1114                         $message->mime_header = $message->header;
1115                     }
1116                     $filename = $message->getFilename();
1117                     break;
1118             }
1119 //FIXME: added three args to the following, so as to set the last one to TRUE, to mimick a fix in 1.4.21 (#2994865), but didn't test this (note that in 1.4.21, the 2nd and 3rd args are FALSE, but here in this code, they weren't being specified (thus defaulting to TRUE), so I don't know if that means this code is outdated and should have been changed to FALSE, FALSE or if this code is completely different and the addition of the TRUE for arg #4 is wrong
1120             $filename = str_replace('&#32;', ' ', decodeHeader($filename, true, true, true));
1121             if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
1122                     function_exists($languages[$squirrelmail_language]['XTRA_CODE'] . '_encode')) {
1123                 $filename =  call_user_func($languages[$squirrelmail_language]['XTRA_CODE'] . '_encode', $filename);
1124             }
1125
1126             $hashed_attachment_dir = getHashedDir($username, $attachment_dir);
1127             $localfilename = sq_get_attach_tempfile();
1128             $message->att_local_name = $localfilename;
1129
1130             $composeMessage->initAttachment($message->type0.'/'.$message->type1,$filename,
1131                     $localfilename);
1132
1133             /* Write Attachment to file */
1134             $fp = fopen ($hashed_attachment_dir . '/' . $localfilename, 'wb');
1135             mime_print_body_lines ($imapConnection, $passed_id, $message->entity_id, $message->header->encoding, $fp);
1136             fclose ($fp);
1137         }
1138     } else {
1139         for ($i=0, $entCount=count($message->entities); $i<$entCount;$i++) {
1140             $composeMessage=getAttachments($message->entities[$i], $composeMessage, $passed_id, $entities, $imapConnection);
1141         }
1142     }
1143     return $composeMessage;
1144 }
1145
1146 function getMessage_RFC822_Attachment($message, $composeMessage, $passed_id,
1147         $passed_ent_id='', $imapConnection) {
1148     if (!$passed_ent_id) {
1149         $body_a = sqimap_run_command($imapConnection,
1150                 'FETCH '.$passed_id.' RFC822',
1151                 TRUE, $response, $readmessage,
1152                 TRUE);
1153     } else {
1154         $body_a = sqimap_run_command($imapConnection,
1155                 'FETCH '.$passed_id.' BODY['.$passed_ent_id.']',
1156                 TRUE, $response, $readmessage, TRUE);
1157         $message = $message->parent;
1158     }
1159     if ($response == 'OK') {
1160         $subject = encodeHeader($message->rfc822_header->subject);
1161         array_shift($body_a);
1162         array_pop($body_a);
1163         $body = implode('', $body_a) . "\r\n";
1164
1165         global $username, $attachment_dir;
1166         $hashed_attachment_dir = getHashedDir($username, $attachment_dir);
1167         $localfilename = sq_get_attach_tempfile();
1168         $fp = fopen($hashed_attachment_dir . '/' . $localfilename, 'wb');
1169         fwrite ($fp, $body);
1170         fclose($fp);
1171         $composeMessage->initAttachment('message/rfc822',$subject.'.eml',
1172                 $localfilename);
1173     }
1174     return $composeMessage;
1175 }
1176
1177 function showInputForm ($session, $values=false) {
1178     global $send_to, $send_to_cc, $send_to_bcc,
1179         $body, $startMessage, $action, $attachments,
1180         $use_signature, $signature, $prefix_sig, $session_expired,
1181         $editor_size, $editor_height, $subject, $newmail,
1182         $use_javascript_addr_book, $passed_id, $mailbox, $fwduid,
1183         $from_htmladdr_search, $location_of_buttons, $attachment_dir,
1184         $username, $data_dir, $identity, $idents, $delete_draft,
1185         $mailprio, $compose_new_win, $saved_draft, $mail_sent, $sig_first,
1186         $composeMessage, $composesession, $default_charset,
1187         $compose_onsubmit, $oTemplate, $oErrorHandler;
1188
1189     if (checkForJavascript()) {
1190         $onfocus = ' onfocus="alreadyFocused=true;"';
1191         $onfocus_array = array('onfocus' => 'alreadyFocused=true;');
1192     }
1193     else {
1194         $onfocus = '';
1195         $onfocus_array = array();
1196     }
1197
1198     if ($values) {
1199         $send_to = $values['send_to'];
1200         $send_to_cc = $values['send_to_cc'];
1201         $send_to_bcc = $values['send_to_bcc'];
1202         $subject = $values['subject'];
1203         $mailprio = $values['mailprio'];
1204         $body = $values['body'];
1205         $identity = (int) $values['identity'];
1206     } else {
1207         $send_to = decodeHeader($send_to, true, false);
1208         $send_to_cc = decodeHeader($send_to_cc, true, false);
1209         $send_to_bcc = decodeHeader($send_to_bcc, true, false);
1210     }
1211
1212     if ($use_javascript_addr_book) {
1213 //FIXME: NO HTML IN CORE!
1214         echo "\n". '<script type="text/javascript">'."\n<!--\n" .
1215             'function open_abook() { ' . "\n" .
1216             '  var nwin = window.open("addrbook_popup.php","abookpopup",' .
1217             '"width=670,height=300,resizable=yes,scrollbars=yes");' . "\n" .
1218             '  if((!nwin.opener) && (document.windows != null))' . "\n" .
1219             '    nwin.opener = document.windows;' . "\n" .
1220             "}\n" .
1221             "// -->\n</script>\n\n";
1222     }
1223
1224 //FIXME: NO HTML IN CORE!
1225     echo "\n" . '<form name="compose" action="compose.php" method="post" ' .
1226         'enctype="multipart/form-data"';
1227
1228     $compose_onsubmit = array();
1229     global $null;
1230     do_hook('compose_form', $null);
1231
1232     // Plugins that use compose_form hook can add an array entry
1233     // to the globally scoped $compose_onsubmit; we add them up
1234     // here and format the form tag's full onsubmit handler.
1235     // Each plugin should use "return false" if they need to
1236     // stop form submission but otherwise should NOT use "return
1237     // true" to give other plugins the chance to do what they need
1238     // to do; SquirrelMail itself will add the final "return true".
1239     // Onsubmit text is enclosed inside of double quotes, so plugins
1240     // need to quote accordingly.
1241     //
1242     // Also, plugin authors should try to retain compatibility with
1243     // the Compose Extras plugin by resetting its compose submit
1244     // counter when preventing form submit.  Use this code:
1245     // if (your-code-here) { submit_count = 0; return false; }
1246     //
1247     if (checkForJavascript()) {
1248         if (empty($compose_onsubmit))
1249             $compose_onsubmit = array();
1250         else if (!is_array($compose_onsubmit))
1251             $compose_onsubmit = array($compose_onsubmit);
1252
1253         $onsubmit_text = '';
1254         foreach ($compose_onsubmit as $text) {
1255             $text = trim($text);
1256             if (!empty($text)) {
1257                 if (substr($text, -1) != ';' && substr($text, -1) != '}')
1258                     $text .= '; ';
1259                 $onsubmit_text .= $text;
1260             }
1261         }
1262
1263         if (!empty($onsubmit_text))
1264 //FIXME: DON'T ECHO HTML FROM CORE!
1265             echo ' onsubmit="' . $onsubmit_text . ' return true;"';
1266     }
1267
1268
1269 //FIXME: NO HTML IN CORE!
1270     echo ">\n";
1271
1272 //FIXME: DON'T ECHO HTML FROM CORE!
1273     echo addHidden('smtoken', sm_generate_security_token());
1274
1275 //FIXME: DON'T ECHO HTML FROM CORE!
1276     echo addHidden('startMessage', $startMessage);
1277
1278     if ($action == 'draft') {
1279 //FIXME: DON'T ECHO HTML FROM CORE!
1280         echo addHidden('delete_draft', $passed_id);
1281     }
1282     if (isset($delete_draft)) {
1283 //FIXME: DON'T ECHO HTML FROM CORE!
1284         echo addHidden('delete_draft', $delete_draft);
1285     }
1286     if (isset($session)) {
1287 //FIXME: DON'T ECHO HTML FROM CORE!
1288         echo addHidden('session', $session);
1289     }
1290
1291     if (isset($passed_id)) {
1292 //FIXME: DON'T ECHO HTML FROM CORE!
1293         echo addHidden('passed_id', $passed_id);
1294     }
1295
1296     if (isset($fwduid)) {
1297 //FIXME: DON'T ECHO HTML FROM CORE!
1298         echo addHidden('fwduid', $fwduid);
1299     }
1300
1301     if ($saved_draft == 'yes') {
1302         $oTemplate->assign('note', _("Your draft has been saved."));
1303         $oTemplate->display('note.tpl');
1304     }
1305     if ($mail_sent == 'yes') {
1306         $oTemplate->assign('note', _("Your mail has been sent."));
1307         $oTemplate->display('note.tpl');
1308     }
1309     if ($compose_new_win == '1') {
1310         $oTemplate->display('compose_newwin_close.tpl');
1311     }
1312
1313     if ($location_of_buttons == 'top') {
1314 //FIXME: DON'T ECHO HTML FROM CORE!
1315         showComposeButtonRow();
1316     }
1317
1318     $identities = array();
1319     if (count($idents) > 1) {
1320         reset($idents);
1321         foreach($idents as $id => $data) {
1322             $identities[$id] = $data['full_name'].' &lt;'.$data['email_address'].'&gt;';
1323         }
1324     }
1325
1326     $oTemplate->assign('identities', $identities);
1327     $oTemplate->assign('identity_def', $identity);
1328     $oTemplate->assign('input_onfocus', 'onfocus="'.join(' ', $onfocus_array).'"');
1329
1330     $oTemplate->assign('to', sm_encode_html_special_chars($send_to));
1331     $oTemplate->assign('cc', sm_encode_html_special_chars($send_to_cc));
1332     $oTemplate->assign('bcc', sm_encode_html_special_chars($send_to_bcc));
1333     $oTemplate->assign('subject', sm_encode_html_special_chars($subject));
1334
1335     // access keys...
1336     //
1337     global $accesskey_compose_to, $accesskey_compose_cc,
1338            $accesskey_compose_identity, $accesskey_compose_bcc,
1339            $accesskey_compose_subject;
1340     $oTemplate->assign('accesskey_compose_identity', $accesskey_compose_identity);
1341     $oTemplate->assign('accesskey_compose_to', $accesskey_compose_to);
1342     $oTemplate->assign('accesskey_compose_cc', $accesskey_compose_cc);
1343     $oTemplate->assign('accesskey_compose_bcc', $accesskey_compose_bcc);
1344     $oTemplate->assign('accesskey_compose_subject', $accesskey_compose_subject);
1345
1346     $oTemplate->display('compose_header.tpl');
1347
1348     if ($location_of_buttons == 'between') {
1349 //FIXME: DON'T ECHO HTML FROM CORE!
1350         showComposeButtonRow();
1351     }
1352
1353     $body_str = '';
1354     if ($use_signature == true && $newmail == true && !isset($from_htmladdr_search)) {
1355         $signature = $idents[$identity]['signature'];
1356
1357         if ($sig_first == '1') {
1358             /*
1359              * FIXME: test is specific to ja_JP translation implementation.
1360              * This test might apply incorrect conversion to other translations, but
1361              * use of 7bit iso-2022-jp charset in other translations might have other
1362              * issues too.
1363              */
1364             if ($default_charset == 'iso-2022-jp') {
1365                 $body_str = "\n\n".($prefix_sig==true? "-- \n":'').mb_convert_encoding($signature, 'EUC-JP');
1366             } else {
1367                 $body_str = "\n\n".($prefix_sig==true? "-- \n":'').decodeHeader($signature,false,false);
1368             }
1369             $body_str .= "\n\n".sm_encode_html_special_chars(decodeHeader($body,false,false));
1370         } else {
1371             $body_str = "\n\n".sm_encode_html_special_chars(decodeHeader($body,false,false));
1372             // FIXME: test is specific to ja_JP translation implementation. See above comments.
1373             if ($default_charset == 'iso-2022-jp') {
1374                 $body_str .= "\n\n".($prefix_sig==true? "-- \n":'').mb_convert_encoding($signature, 'EUC-JP');
1375             } else {
1376                 $body_str .= "\n\n".($prefix_sig==true? "-- \n":'').decodeHeader($signature,false,false);
1377             }
1378         }
1379     } else {
1380         $body_str = sm_encode_html_special_chars(decodeHeader($body,false,false));
1381     }
1382
1383     $oTemplate->assign('editor_width', (int)$editor_size);
1384     $oTemplate->assign('editor_height', (int)$editor_height);
1385     $oTemplate->assign('input_onfocus', 'onfocus="'.join(' ', $onfocus_array).'"');
1386     $oTemplate->assign('body', $body_str);
1387     $oTemplate->assign('show_bottom_send', $location_of_buttons!='bottom');
1388
1389     // access keys...
1390     //
1391     global $accesskey_compose_body, $accesskey_compose_send;
1392     $oTemplate->assign('accesskey_compose_body', $accesskey_compose_body);
1393     $oTemplate->assign('accesskey_compose_send', $accesskey_compose_send);
1394
1395     $oTemplate->display ('compose_body.tpl');
1396
1397     if ($location_of_buttons == 'bottom') {
1398 //FIXME: DON'T ECHO HTML FROM CORE!
1399         showComposeButtonRow();
1400     }
1401
1402     // composeMessage can be empty when coming from a restored session
1403     if (is_object($composeMessage) && $composeMessage->entities)
1404         $attach_array = $composeMessage->entities;
1405     if ($session_expired && !empty($attachments) && is_array($attachments))
1406         $attach_array = $attachments;
1407
1408     /* This code is for attachments */
1409     if ((bool) ini_get('file_uploads')) {
1410
1411         /* Calculate the max size for an uploaded file.
1412          * This is advisory for the user because we can't actually prevent
1413          * people to upload too large files. */
1414         $sizes = array();
1415         /* php.ini vars which influence the max for uploads */
1416         $configvars = array('post_max_size', 'memory_limit', 'upload_max_filesize');
1417         foreach($configvars as $var) {
1418             /* skip 0 or empty values, and -1 which means 'unlimited' */
1419             if( $size = getByteSize(ini_get($var)) ) {
1420                 if ( $size != '-1' ) {
1421                     $sizes[] = $size;
1422                 }
1423             }
1424         }
1425
1426         $attach = array();
1427         global $username, $attachment_dir;
1428         $hashed_attachment_dir = getHashedDir($username, $attachment_dir);
1429         if (!empty($attach_array)) {
1430             foreach ($attach_array as $key => $attachment) {
1431                 $attached_file = $attachment->att_local_name;
1432                 if ($attachment->att_local_name || $attachment->body_part) {
1433                     $attached_filename = decodeHeader($attachment->mime_header->getParameter('name'));
1434                     $type = $attachment->mime_header->type0.'/'.
1435                         $attachment->mime_header->type1;
1436
1437                     $a = array();
1438                     $a['Key'] = $key;
1439                     $a['FileName'] = $attached_filename;
1440                     $a['ContentType'] = $type;
1441                     $a['Size'] = filesize($hashed_attachment_dir . '/' . $attached_file);
1442                     $attach[$key] = $a;
1443                 }
1444             }
1445         }
1446
1447         $max = min($sizes);
1448         $oTemplate->assign('max_file_size', empty($max) ? -1 : $max);
1449         $oTemplate->assign('attachments', $attach);
1450
1451         // access keys...
1452         //
1453         global $accesskey_compose_attach_browse, $accesskey_compose_attach,
1454                $accesskey_compose_delete_attach;
1455         $oTemplate->assign('accesskey_compose_attach_browse', $accesskey_compose_attach_browse);
1456         $oTemplate->assign('accesskey_compose_attach', $accesskey_compose_attach);
1457         $oTemplate->assign('accesskey_compose_delete_attach', $accesskey_compose_delete_attach);
1458
1459         $oTemplate->display('compose_attachments.tpl');
1460     } // End of file_uploads if-block
1461     /* End of attachment code */
1462
1463     $oTemplate->assign('username', $username);
1464     $oTemplate->assign('smaction', $action);
1465     $oTemplate->assign('mailbox', $mailbox);
1466     sqgetGlobalVar('QUERY_STRING', $queryString, SQ_SERVER);
1467     $oTemplate->assign('querystring', $queryString);
1468     $oTemplate->assign('composesession', $composesession);
1469     $oTemplate->assign('send_button_count', unique_widget_name('send', TRUE));
1470     if (!empty($attach_array))
1471         $oTemplate->assign('attachments', urlencode(serialize($attach_array)));
1472
1473     $aUserNotices = array();
1474
1475     // File uploads are off, so we didn't show that part of the form.
1476     // To avoid bogus bug reports, tell the user why.
1477     if (!(bool) ini_get('file_uploads')) {
1478         $aUserNotices[] = _("Because PHP file uploads are turned off, you can not attach files to this message. Please see your system administrator for details.");
1479     }
1480
1481     $oTemplate->assign('user_notices', $aUserNotices);
1482
1483     $oTemplate->display('compose_form_close.tpl');
1484
1485     if ($compose_new_win=='1') {
1486         $oTemplate->display('compose_newwin_close.tpl');
1487     }
1488
1489     $oErrorHandler->setDelayedErrors(false);
1490     $oTemplate->display('footer.tpl');
1491 }
1492
1493
1494 function showComposeButtonRow() {
1495     global $use_javascript_addr_book, $save_as_draft,
1496         $default_use_priority, $mailprio, $default_use_mdn,
1497         $request_mdn, $request_dr,
1498         $data_dir, $username;
1499
1500     global $oTemplate, $buffer_hook;
1501
1502     if ($default_use_priority) {
1503         $priorities = array('1'=>_("High"), '3'=>_("Normal"), '5'=>_("Low"));
1504         $priority = isset($mailprio) ? $mailprio : 3;
1505     } else {
1506         $priorities = array();
1507         $priority = NULL;
1508     }
1509
1510     $mdn_user_support=getPref($data_dir, $username, 'mdn_user_support',$default_use_mdn);
1511
1512     $address_book_button_attribs = array();
1513     global $accesskey_compose_addresses;
1514     if ($accesskey_compose_addresses != 'NONE')
1515         $address_book_button_attribs['accesskey'] = $accesskey_compose_addresses;
1516     if ($use_javascript_addr_book && checkForJavascript()) {
1517         $addr_book = addButton(_("Addresses"),
1518                                null,
1519                                array_merge($address_book_button_attribs, array('onclick' => 'javascript:open_abook();')));
1520     } else {
1521         $addr_book = addSubmit(_("Addresses"), 'html_addr_search', $address_book_button_attribs);
1522     }
1523
1524     $oTemplate->assign('allow_priority', $default_use_priority==1);
1525     $oTemplate->assign('priority_list', $priorities);
1526     $oTemplate->assign('current_priority', $priority);
1527
1528     $oTemplate->assign('notifications_enabled', $mdn_user_support==1);
1529     $oTemplate->assign('read_receipt', $request_mdn=='1');
1530     $oTemplate->assign('delivery_receipt', $request_dr=='1');
1531
1532     $oTemplate->assign('drafts_enabled', $save_as_draft);
1533     $oTemplate->assign('address_book_button', $addr_book);
1534
1535     // access keys...
1536     //
1537     global $accesskey_compose_priority, $accesskey_compose_on_read,
1538            $accesskey_compose_on_delivery, $accesskey_compose_signature,
1539            $accesskey_compose_save_draft, $accesskey_compose_send;
1540     $oTemplate->assign('accesskey_compose_priority', $accesskey_compose_priority);
1541     $oTemplate->assign('accesskey_compose_on_read', $accesskey_compose_on_read);
1542     $oTemplate->assign('accesskey_compose_on_delivery', $accesskey_compose_on_delivery);
1543     $oTemplate->assign('accesskey_compose_signature', $accesskey_compose_signature);
1544     $oTemplate->assign('accesskey_compose_save_draft', $accesskey_compose_save_draft);
1545     $oTemplate->assign('accesskey_compose_send', $accesskey_compose_send);
1546
1547     $oTemplate->display('compose_buttons.tpl');
1548 }
1549
1550 function checkInput ($show) {
1551     /*
1552      * I implemented the $show variable because the error messages
1553      * were getting sent before the page header.  So, I check once
1554      * using $show=false, and then when i'm ready to display the error
1555      * message, show=true
1556      */
1557     global $send_to, $send_to_cc, $send_to_bcc;
1558
1559     $send_to = trim($send_to);
1560     $send_to_cc = trim($send_to_cc);
1561     $send_to_bcc = trim($send_to_bcc);
1562     if (empty($send_to) && empty($send_to_cc) && empty($send_to_bcc)) {
1563         if ($show) {
1564             plain_error_message(_("You have not filled in the \"To:\" field."));
1565         }
1566         return false;
1567     }
1568     return true;
1569 } /* function checkInput() */
1570
1571
1572 /* True if FAILURE */
1573 function saveAttachedFiles($session) {
1574     global $composeMessage, $username, $attachment_dir;
1575
1576     /* get out of here if no file was attached at all */
1577     if (! is_uploaded_file($_FILES['attachfile']['tmp_name']) ) {
1578         return true;
1579     }
1580
1581     $hashed_attachment_dir = getHashedDir($username, $attachment_dir);
1582     $localfilename = sq_get_attach_tempfile();
1583     $fullpath = $hashed_attachment_dir . '/' . $localfilename;
1584
1585     // m_u_f works better with restricted PHP installs (safe_mode, open_basedir),
1586     // if that doesn't work, try a simple rename.
1587     if (!sq_call_function_suppress_errors('move_uploaded_file', array($_FILES['attachfile']['tmp_name'], $fullpath))) {
1588         if (!sq_call_function_suppress_errors('rename', array($_FILES['attachfile']['tmp_name'], $fullpath))) {
1589             return true;
1590         }
1591     }
1592     $type = strtolower($_FILES['attachfile']['type']);
1593     $name = $_FILES['attachfile']['name'];
1594     $composeMessage->initAttachment($type, $name, $localfilename);
1595 }
1596
1597 /**
1598   * Parse strings such as "8M" and "2k" into their corresponding size in bytes
1599   *
1600   * NOTE: This function only recognizes the suffixes "K", "M" and "G"
1601   *       and will probably break very easily if the given size is in
1602   *       some completely different format.
1603   *
1604   * @param string $ini_size The input string to be converted
1605   *
1606   * @return mixed Boolean FALSE if something went wrong (the value passed in
1607   *               was empty?, the suffix was not recognized?), otherwise, the
1608   *               converted size in bytes (just the number (as an integer),
1609   *               no unit identifier included)
1610   *
1611   */
1612 function getByteSize($ini_size) {
1613
1614     if(!$ini_size) {
1615         return FALSE;
1616     }
1617
1618     $ini_size = trim($ini_size);
1619
1620     // if there's some kind of letter at the end of the string we need to multiply.
1621     if(!is_numeric(substr($ini_size, -1))) {
1622
1623         switch(strtoupper(substr($ini_size, -1))) {
1624             case 'G':
1625                 $bytesize = 1073741824;
1626                 break;
1627             case 'M':
1628                 $bytesize = 1048576;
1629                 break;
1630             case 'K':
1631                 $bytesize = 1024;
1632                 break;
1633              default:
1634                 return FALSE;
1635         }
1636
1637         return ($bytesize * (int)substr($ini_size, 0, -1));
1638     }
1639
1640     return $ini_size;
1641 }
1642
1643
1644 /**
1645  * temporary function to make use of the deliver class.
1646  * In the future the responsible backend should be automaticly loaded
1647  * and conf.pl should show a list of available backends.
1648  * The message also should be constructed by the message class.
1649  *
1650  * @param object $composeMessage The message being sent.  Please note
1651  *                               that it is passed by reference and
1652  *                               will be returned modified, with additional
1653  *                               headers, such as Message-ID, Date, In-Reply-To,
1654  *                               References, and so forth.
1655  *
1656  * @return boolean FALSE if delivery failed, or some non-FALSE value
1657  *                 upon success.
1658  *
1659  */
1660 function deliverMessage(&$composeMessage, $draft=false) {
1661     global $send_to, $send_to_cc, $send_to_bcc, $mailprio, $subject, $body,
1662         $username, $identity, $idents, $data_dir,
1663         $request_mdn, $request_dr, $default_charset, $useSendmail,
1664         $domain, $action, $default_move_to_sent, $move_to_sent,
1665         $imapServerAddress, $imapPort, $sent_folder, $key;
1666
1667     $rfc822_header = $composeMessage->rfc822_header;
1668
1669     $abook = addressbook_init(false, true);
1670     $rfc822_header->to = $rfc822_header->parseAddress($send_to,true, array(), '', $domain, array(&$abook,'lookup'));
1671     $rfc822_header->cc = $rfc822_header->parseAddress($send_to_cc,true,array(), '',$domain, array(&$abook,'lookup'));
1672     $rfc822_header->bcc = $rfc822_header->parseAddress($send_to_bcc,true, array(), '',$domain, array(&$abook,'lookup'));
1673     $rfc822_header->priority = $mailprio;
1674     $rfc822_header->subject = $subject;
1675
1676     $special_encoding='';
1677     if (strtolower($default_charset) == 'iso-2022-jp') {
1678         if (mb_detect_encoding($body) == 'ASCII') {
1679             $special_encoding = '8bit';
1680         } else {
1681             $body = mb_convert_encoding($body, 'JIS');
1682             $special_encoding = '7bit';
1683         }
1684     }
1685     $composeMessage->setBody($body);
1686
1687     $reply_to = '';
1688     $reply_to  = $idents[$identity]['reply_to'];
1689     if ($reply_to && strpos($reply_to, '@') === FALSE)
1690         $reply_to .= '@' . $domain;
1691
1692     $from_addr = build_from_header($identity);
1693     $rfc822_header->from = $rfc822_header->parseAddress($from_addr,true);
1694     if ($reply_to) {
1695         $rfc822_header->reply_to = $rfc822_header->parseAddress($reply_to,true);
1696     }
1697     /* Receipt: On Read */
1698     if (isset($request_mdn) && $request_mdn) {
1699         $rfc822_header->dnt = $rfc822_header->parseAddress($from_addr,true);
1700     } elseif (isset($rfc822_header->dnt)) {
1701         unset($rfc822_header->dnt);
1702     }
1703
1704     /* Receipt: On Delivery */
1705     if (!empty($request_dr)) {
1706 //FIXME: it would be better to fiddle with headers inside of the message object or possibly when delivering the message to its destination; is this possible?
1707         $rfc822_header->more_headers['Return-Receipt-To'] = $from_addr;
1708     } elseif (isset($rfc822_header->more_headers['Return-Receipt-To'])) {
1709         unset($rfc822_header->more_headers['Return-Receipt-To']);
1710     }
1711
1712     /* multipart messages */
1713     if (count($composeMessage->entities)) {
1714         $message_body = new Message();
1715         $message_body->body_part = $composeMessage->body_part;
1716         $composeMessage->body_part = '';
1717         $mime_header = new MessageHeader;
1718         $mime_header->type0 = 'text';
1719         $mime_header->type1 = 'plain';
1720         if ($special_encoding) {
1721             $mime_header->encoding = $special_encoding;
1722         } else {
1723             $mime_header->encoding = '8bit';
1724         }
1725         if ($default_charset) {
1726             $mime_header->parameters['charset'] = $default_charset;
1727         }
1728         $message_body->mime_header = $mime_header;
1729         array_unshift($composeMessage->entities, $message_body);
1730         $content_type = new ContentType('multipart/mixed');
1731     } else {
1732         $content_type = new ContentType('text/plain');
1733         if ($special_encoding) {
1734             $rfc822_header->encoding = $special_encoding;
1735         } else {
1736             $rfc822_header->encoding = '8bit';
1737         }
1738         if ($default_charset) {
1739             $content_type->properties['charset']=$default_charset;
1740         }
1741     }
1742
1743     $rfc822_header->content_type = $content_type;
1744     $composeMessage->rfc822_header = $rfc822_header;
1745     if ($action == 'reply' || $action == 'reply_all') {
1746         global $passed_id, $passed_ent_id;
1747         $reply_id = $passed_id;
1748         $reply_ent_id = $passed_ent_id;
1749     } else {
1750         $reply_id = '';
1751         $reply_ent_id = '';
1752     }
1753
1754     /* Here you can modify the message structure just before we hand
1755        it over to deliver; plugin authors note that $composeMessage
1756        is sent and modified by reference since 1.5.2 */
1757     do_hook('compose_send', $composeMessage);
1758
1759     if (!$useSendmail && !$draft) {
1760         require_once(SM_PATH . 'class/deliver/Deliver_SMTP.class.php');
1761         $deliver = new Deliver_SMTP();
1762         global $smtpServerAddress, $smtpPort, $pop_before_smtp, $pop_before_smtp_host;
1763
1764         $authPop = (isset($pop_before_smtp) && $pop_before_smtp) ? true : false;
1765         if (empty($pop_before_smtp_host)) $pop_before_smtp_host = $smtpServerAddress;
1766         get_smtp_user($user, $pass);
1767         $stream = $deliver->initStream($composeMessage,$domain,0,
1768                 $smtpServerAddress, $smtpPort, $user, $pass, $authPop, $pop_before_smtp_host);
1769     } elseif (!$draft) {
1770         require_once(SM_PATH . 'class/deliver/Deliver_SendMail.class.php');
1771         global $sendmail_path, $sendmail_args;
1772         // Check for outdated configuration
1773         if (!isset($sendmail_args)) {
1774             if ($sendmail_path=='/var/qmail/bin/qmail-inject') {
1775                 $sendmail_args = '';
1776             } else {
1777                 $sendmail_args = '-i -t';
1778             }
1779         }
1780         $deliver = new Deliver_SendMail(array('sendmail_args'=>$sendmail_args));
1781         $stream = $deliver->initStream($composeMessage,$sendmail_path);
1782     } elseif ($draft) {
1783         global $draft_folder;
1784         $imap_stream = sqimap_login($username, false, $imapServerAddress,
1785                 $imapPort, 0);
1786         if (sqimap_mailbox_exists ($imap_stream, $draft_folder)) {
1787             require_once(SM_PATH . 'class/deliver/Deliver_IMAP.class.php');
1788             $imap_deliver = new Deliver_IMAP();
1789             $success = $imap_deliver->mail($composeMessage, $imap_stream, $reply_id, $reply_ent_id, $imap_stream, $draft_folder);
1790             sqimap_logout($imap_stream);
1791             unset ($imap_deliver);
1792             $composeMessage->purgeAttachments();
1793             return $success;
1794         } else {
1795             $msg  = '<br />'.sprintf(_("Error: Draft folder %s does not exist."), sm_encode_html_special_chars($draft_folder));
1796             plain_error_message($msg);
1797             return false;
1798         }
1799     }
1800     $success = false;
1801     if ($stream) {
1802         $deliver->mail($composeMessage, $stream, $reply_id, $reply_ent_id);
1803         $success = $deliver->finalizeStream($stream);
1804     }
1805     if (!$success) {
1806         // $deliver->dlv_server_msg is not always server's reply
1807         $msg = _("Message not sent.")
1808              . "<br />\n"
1809              . (isset($deliver->dlv_msg) ? $deliver->dlv_msg : '');
1810         if (!empty($deliver->dlv_server_msg)) {
1811             // add 'server replied' part only when it is not empty.
1812             // Delivery error can be generated by delivery class itself
1813             $msg .= '<br />'
1814                   . _("Server replied:") . ' '
1815                   . (isset($deliver->dlv_ret_nr) ? $deliver->dlv_ret_nr . ' ' : '')
1816                   . nl2br(sm_encode_html_special_chars($deliver->dlv_server_msg));
1817         }
1818         plain_error_message($msg);
1819     } else {
1820         unset ($deliver);
1821         $imap_stream = sqimap_login($username, false, $imapServerAddress, $imapPort, 0);
1822
1823
1824         // mark as replied or forwarded if applicable
1825         //
1826         global $what, $iAccount, $startMessage, $passed_id, $fwduid, $mailbox;
1827
1828         if ($action=='reply' || $action=='reply_all' || $action=='forward' || $action=='forward_as_attachment') {
1829             require(SM_PATH . 'functions/mailbox_display.php');
1830             $aMailbox = sqm_api_mailbox_select($imap_stream, $iAccount, $mailbox,array('setindex' => $what, 'offset' => $startMessage),array());
1831             switch($action) {
1832             case 'reply':
1833             case 'reply_all':
1834                 // check if we are allowed to set the \\Answered flag
1835                 if (in_array('\\answered',$aMailbox['PERMANENTFLAGS'], true)) {
1836                     $aUpdatedMsgs = sqimap_toggle_flag($imap_stream, array($passed_id), '\\Answered', true, false);
1837                     if (isset($aUpdatedMsgs[$passed_id]['FLAGS'])) {
1838                         /**
1839                         * Only update the cached headers if the header is
1840                         * cached.
1841                         */
1842                         if (isset($aMailbox['MSG_HEADERS'][$passed_id])) {
1843                             $aMailbox['MSG_HEADERS'][$passed_id]['FLAGS'] = $aMsg['FLAGS'];
1844                         }
1845                     }
1846                 }
1847                 break;
1848             case 'forward':
1849             case 'forward_as_attachment':
1850                 // check if we are allowed to set the $Forwarded flag (RFC 4550 paragraph 2.8)
1851                 if (in_array('$forwarded',$aMailbox['PERMANENTFLAGS'], true) ||
1852                     in_array('\\*',$aMailbox['PERMANENTFLAGS'])) {
1853
1854                     // when forwarding as an attachment from the message
1855                     // list, passed_id is not used, need to get UID(s)
1856                     // from the query string
1857                     //
1858                     if (empty($passed_id) && !empty($fwduid))
1859                         $ids = explode('_', $fwduid);
1860                     else
1861                         $ids = array($passed_id);
1862
1863                     $aUpdatedMsgs = sqimap_toggle_flag($imap_stream, $ids, '$Forwarded', true, false);
1864
1865                     foreach ($ids as $id) {
1866                         if (isset($aUpdatedMsgs[$id]['FLAGS'])) {
1867                             if (isset($aMailbox['MSG_HEADERS'][$id])) {
1868                                 $aMailbox['MSG_HEADERS'][$id]['FLAGS'] = $aMsg['FLAGS'];
1869                             }
1870                         }
1871                     }
1872                 }
1873                 break;
1874             }
1875
1876             /**
1877              * Write mailbox with updated seen flag information back to cache.
1878              */
1879             if(isset($aUpdatedMsgs[$passed_id])) {
1880                 $mailbox_cache[$iAccount.'_'.$aMailbox['NAME']] = $aMailbox;
1881                 sqsession_register($mailbox_cache,'mailbox_cache');
1882             }
1883
1884         }
1885
1886
1887         // move to sent folder
1888         //
1889         $move_to_sent = getPref($data_dir,$username,'move_to_sent');
1890         if (isset($default_move_to_sent) && ($default_move_to_sent != 0)) {
1891             $svr_allow_sent = true;
1892         } else {
1893             $svr_allow_sent = false;
1894         }
1895
1896         if (isset($sent_folder) && (($sent_folder != '') || ($sent_folder != 'none'))
1897                 && sqimap_mailbox_exists( $imap_stream, $sent_folder)) {
1898             $fld_sent = true;
1899         } else {
1900             $fld_sent = false;
1901         }
1902
1903         if ((isset($move_to_sent) && ($move_to_sent != 0)) || (!isset($move_to_sent))) {
1904             $lcl_allow_sent = true;
1905         } else {
1906             $lcl_allow_sent = false;
1907         }
1908
1909         if (($fld_sent && $svr_allow_sent && !$lcl_allow_sent) || ($fld_sent && $lcl_allow_sent)) {
1910             if ($action == 'reply' || $action == 'reply_all') {
1911                 $save_reply_with_orig=getPref($data_dir,$username,'save_reply_with_orig');
1912                 if ($save_reply_with_orig) {
1913                     $sent_folder = $mailbox;
1914                 }
1915             }
1916             require_once(SM_PATH . 'class/deliver/Deliver_IMAP.class.php');
1917             $imap_deliver = new Deliver_IMAP();
1918             $imap_deliver->mail($composeMessage, $imap_stream, $reply_id, $reply_ent_id, $imap_stream, $sent_folder);
1919             unset ($imap_deliver);
1920         }
1921
1922
1923         // final cleanup
1924         //
1925         $composeMessage->purgeAttachments();
1926         sqimap_logout($imap_stream);
1927
1928     }
1929     return $success;
1930 }