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, -1, 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($submitted_token, -1, TRUE);
 478
 479     if (isset($_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($submitted_token, -1, TRUE);
 605
 606     if ($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, -1, 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, -1, 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, -1, 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' && !empty($send_to_cc)) {
1006                                 $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 = $orig_to;
1031
1032                         // in this case, we also want to reset the FROM
1033                         // identity as well (it should match the original
1034                         // *FROM* header instead of TO or CC)
1035                         //
1036                         if (count($idents) > 1) {
1037                             $identity = '';
1038                             foreach($idents as $i => $id) {
1039                                 if (!empty($id['email_address'])
1040                                  && strpos($orig_from, $id['email_address']) !== FALSE) {
1041                                     $identity = $i;
1042                                     break;
1043                                 }
1044                             }
1045                         }
1046
1047                     }
1048
1049                 }
1050
1051
1052                 $subject = decodeHeader($orig_header->subject,false,false,true);
1053                 $subject = str_replace('"', "'", $subject);
1054                 $subject = trim($subject);
1055                 if (substr(strtolower($subject), 0, 3) != 're:') {
1056                     $subject = 'Re: ' . $subject;
1057                 }
1058                 /* this corrects some wrapping/quoting problems on replies */
1059                 $rewrap_body = explode("\n", $body);
1060                 $from = (is_array($orig_header->from) && !empty($orig_header->from)) ? $orig_header->from[0] : $orig_header->from;
1061                 $body = '';
1062                 $strip_sigs = getPref($data_dir, $username, 'strip_sigs');
1063                 foreach ($rewrap_body as $line) {
1064                     if ($strip_sigs && rtrim($line, "\r\n") == '-- ') {
1065                         break;
1066                     }
1067                     if (preg_match("/^(>+)/", $line, $matches)) {
1068                         $gt = $matches[1];
1069                         $body .= $body_quote . str_replace("\n", "\n$body_quote$gt ", rtrim($line)) ."\n";
1070                     } else {
1071                         $body .= $body_quote . (!empty($body_quote) ? ' ' : '') . str_replace("\n", "\n$body_quote" . (!empty($body_quote) ? ' ' : ''), rtrim($line)) . "\n";
1072                     }
1073                 }
1074
1075                 //rewrap the body to clean up quotations and line lengths
1076                 $body = sqBodyWrap ($body, $editor_size);
1077
1078                 $body = getReplyCitation($from , $orig_header->date) . $body;
1079                 $composeMessage->reply_rfc822_header = $orig_header;
1080
1081                 break;
1082             default:
1083                 break;
1084         }
1085 //FIXME: we used to register $compose_messages in the session here, but not any more - so do we still need the session_write_close() and sqimap_logout() here?  We probably need the IMAP logout, but what about the session closure?
1086         session_write_close();
1087         sqimap_logout($imapConnection);
1088     }
1089     $ret = array( 'send_to' => $send_to,
1090             'send_to_cc' => $send_to_cc,
1091             'send_to_bcc' => $send_to_bcc,
1092             'subject' => $subject,
1093             'mailprio' => $mailprio,
1094             'body' => $body,
1095             'identity' => $identity );
1096
1097     return ($ret);
1098 } /* function newMail() */
1099
1100 /**
1101  * downloads attachments from original message, stores them in attachment directory and adds
1102  * them to composed message.
1103  * @param object $message
1104  * @param object $composeMessage
1105  * @param integer $passed_id
1106  * @param mixed $entities
1107  * @param mixed $imapConnection
1108  * @return object
1109  */
1110 function getAttachments($message, &$composeMessage, $passed_id, $entities, $imapConnection) {
1111     global $squirrelmail_language, $languages, $username, $attachment_dir;
1112
1113     if (!count($message->entities) ||
1114             ($message->type0 == 'message' && $message->type1 == 'rfc822')) {
1115         if ( !in_array($message->entity_id, $entities) && $message->entity_id) {
1116             switch ($message->type0) {
1117                 case 'message':
1118                     if ($message->type1 == 'rfc822') {
1119                         $filename = $message->rfc822_header->subject;
1120                         if ($filename == "") {
1121                             $filename = "untitled-".$message->entity_id;
1122                         }
1123                         $filename .= '.eml';
1124                     } else {
1125                         $filename = $message->getFilename();
1126                     }
1127                     break;
1128                 default:
1129                     if (!$message->mime_header) { /* temporary hack */
1130                         $message->mime_header = $message->header;
1131                     }
1132                     $filename = $message->getFilename();
1133                     break;
1134             }
1135 //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
1136             $filename = str_replace('&#32;', ' ', decodeHeader($filename, true, true, true));
1137             if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
1138                     function_exists($languages[$squirrelmail_language]['XTRA_CODE'] . '_encode')) {
1139                 $filename =  call_user_func($languages[$squirrelmail_language]['XTRA_CODE'] . '_encode', $filename);
1140             }
1141
1142             $hashed_attachment_dir = getHashedDir($username, $attachment_dir);
1143             $localfilename = sq_get_attach_tempfile();
1144             $message->att_local_name = $localfilename;
1145
1146             $composeMessage->initAttachment($message->type0.'/'.$message->type1,$filename,
1147                     $localfilename);
1148
1149             /* Write Attachment to file */
1150             $fp = fopen ($hashed_attachment_dir . '/' . $localfilename, 'wb');
1151             mime_print_body_lines ($imapConnection, $passed_id, $message->entity_id, $message->header->encoding, $fp);
1152             fclose ($fp);
1153         }
1154     } else {
1155         for ($i=0, $entCount=count($message->entities); $i<$entCount;$i++) {
1156             $composeMessage=getAttachments($message->entities[$i], $composeMessage, $passed_id, $entities, $imapConnection);
1157         }
1158     }
1159     return $composeMessage;
1160 }
1161
1162 function getMessage_RFC822_Attachment($message, $composeMessage, $passed_id,
1163         $passed_ent_id='', $imapConnection) {
1164     if (!$passed_ent_id) {
1165         $body_a = sqimap_run_command($imapConnection,
1166                 'FETCH '.$passed_id.' RFC822',
1167                 TRUE, $response, $readmessage,
1168                 TRUE);
1169     } else {
1170         $body_a = sqimap_run_command($imapConnection,
1171                 'FETCH '.$passed_id.' BODY['.$passed_ent_id.']',
1172                 TRUE, $response, $readmessage, TRUE);
1173         $message = $message->parent;
1174     }
1175     if ($response == 'OK') {
1176         $subject = encodeHeader($message->rfc822_header->subject);
1177         array_shift($body_a);
1178         array_pop($body_a);
1179         $body = implode('', $body_a) . "\r\n";
1180
1181         global $username, $attachment_dir;
1182         $hashed_attachment_dir = getHashedDir($username, $attachment_dir);
1183         $localfilename = sq_get_attach_tempfile();
1184         $fp = fopen($hashed_attachment_dir . '/' . $localfilename, 'wb');
1185         fwrite ($fp, $body);
1186         fclose($fp);
1187         $composeMessage->initAttachment('message/rfc822',$subject.'.eml',
1188                 $localfilename);
1189     }
1190     return $composeMessage;
1191 }
1192
1193 function showInputForm ($session, $values=false) {
1194     global $send_to, $send_to_cc, $send_to_bcc,
1195         $body, $startMessage, $action, $attachments,
1196         $use_signature, $signature, $prefix_sig, $session_expired,
1197         $editor_size, $editor_height, $subject, $newmail,
1198         $use_javascript_addr_book, $passed_id, $mailbox, $fwduid,
1199         $from_htmladdr_search, $location_of_buttons, $attachment_dir,
1200         $username, $data_dir, $identity, $idents, $delete_draft,
1201         $mailprio, $compose_new_win, $saved_draft, $mail_sent, $sig_first,
1202         $composeMessage, $composesession, $default_charset,
1203         $compose_onsubmit, $oTemplate, $oErrorHandler;
1204
1205     if (checkForJavascript()) {
1206         $onfocus = ' onfocus="alreadyFocused=true;"';
1207         $onfocus_array = array('onfocus' => 'alreadyFocused=true;');
1208     }
1209     else {
1210         $onfocus = '';
1211         $onfocus_array = array();
1212     }
1213
1214     if ($values) {
1215         $send_to = $values['send_to'];
1216         $send_to_cc = $values['send_to_cc'];
1217         $send_to_bcc = $values['send_to_bcc'];
1218         $subject = $values['subject'];
1219         $mailprio = $values['mailprio'];
1220         $body = $values['body'];
1221         $identity = (int) $values['identity'];
1222     } else {
1223         $send_to = decodeHeader($send_to, true, false);
1224         $send_to_cc = decodeHeader($send_to_cc, true, false);
1225         $send_to_bcc = decodeHeader($send_to_bcc, true, false);
1226     }
1227
1228     if ($use_javascript_addr_book) {
1229 //FIXME: NO HTML IN CORE!
1230         echo "\n". '<script type="text/javascript">'."\n<!--\n" .
1231             'function open_abook() { ' . "\n" .
1232             '  var nwin = window.open("addrbook_popup.php","abookpopup",' .
1233             '"width=670,height=300,resizable=yes,scrollbars=yes");' . "\n" .
1234             '  if((!nwin.opener) && (document.windows != null))' . "\n" .
1235             '    nwin.opener = document.windows;' . "\n" .
1236             "}\n" .
1237             "// -->\n</script>\n\n";
1238     }
1239
1240 //FIXME: NO HTML IN CORE!
1241     echo "\n" . '<form name="compose" action="compose.php" method="post" ' .
1242         'enctype="multipart/form-data"';
1243
1244     $compose_onsubmit = array();
1245     global $null;
1246     do_hook('compose_form', $null);
1247
1248     // Plugins that use compose_form hook can add an array entry
1249     // to the globally scoped $compose_onsubmit; we add them up
1250     // here and format the form tag's full onsubmit handler.
1251     // Each plugin should use "return false" if they need to
1252     // stop form submission but otherwise should NOT use "return
1253     // true" to give other plugins the chance to do what they need
1254     // to do; SquirrelMail itself will add the final "return true".
1255     // Onsubmit text is enclosed inside of double quotes, so plugins
1256     // need to quote accordingly.
1257     //
1258     // Also, plugin authors should try to retain compatibility with
1259     // the Compose Extras plugin by resetting its compose submit
1260     // counter when preventing form submit.  Use this code:
1261     // if (your-code-here) { submit_count = 0; return false; }
1262     //
1263     if (checkForJavascript()) {
1264         if (empty($compose_onsubmit))
1265             $compose_onsubmit = array();
1266         else if (!is_array($compose_onsubmit))
1267             $compose_onsubmit = array($compose_onsubmit);
1268
1269         $onsubmit_text = '';
1270         foreach ($compose_onsubmit as $text) {
1271             $text = trim($text);
1272             if (!empty($text)) {
1273                 if (substr($text, -1) != ';' && substr($text, -1) != '}')
1274                     $text .= '; ';
1275                 $onsubmit_text .= $text;
1276             }
1277         }
1278
1279         if (!empty($onsubmit_text))
1280 //FIXME: DON'T ECHO HTML FROM CORE!
1281             echo ' onsubmit="' . $onsubmit_text . ' return true;"';
1282     }
1283
1284
1285 //FIXME: NO HTML IN CORE!
1286     echo ">\n";
1287
1288 //FIXME: DON'T ECHO HTML FROM CORE!
1289     echo addHidden('smtoken', sm_generate_security_token());
1290
1291 //FIXME: DON'T ECHO HTML FROM CORE!
1292     echo addHidden('startMessage', $startMessage);
1293
1294     if ($action == 'draft') {
1295 //FIXME: DON'T ECHO HTML FROM CORE!
1296         echo addHidden('delete_draft', $passed_id);
1297     }
1298     if (isset($delete_draft)) {
1299 //FIXME: DON'T ECHO HTML FROM CORE!
1300         echo addHidden('delete_draft', $delete_draft);
1301     }
1302     if (isset($session)) {
1303 //FIXME: DON'T ECHO HTML FROM CORE!
1304         echo addHidden('session', $session);
1305     }
1306
1307     if (isset($passed_id)) {
1308 //FIXME: DON'T ECHO HTML FROM CORE!
1309         echo addHidden('passed_id', $passed_id);
1310     }
1311
1312     if (isset($fwduid)) {
1313 //FIXME: DON'T ECHO HTML FROM CORE!
1314         echo addHidden('fwduid', $fwduid);
1315     }
1316
1317     if ($saved_draft == 'yes') {
1318         $oTemplate->assign('note', _("Your draft has been saved."));
1319         $oTemplate->display('note.tpl');
1320     }
1321     if ($mail_sent == 'yes') {
1322         $oTemplate->assign('note', _("Your mail has been sent."));
1323         $oTemplate->display('note.tpl');
1324     }
1325     if ($compose_new_win == '1') {
1326         $oTemplate->display('compose_newwin_close.tpl');
1327     }
1328
1329     if ($location_of_buttons == 'top') {
1330 //FIXME: DON'T ECHO HTML FROM CORE!
1331         showComposeButtonRow();
1332     }
1333
1334     $identities = array();
1335     if (count($idents) > 1) {
1336         reset($idents);
1337         foreach($idents as $id => $data) {
1338             $identities[$id] = $data['full_name'].' &lt;'.$data['email_address'].'&gt;';
1339         }
1340     }
1341
1342     $oTemplate->assign('identities', $identities);
1343     $oTemplate->assign('identity_def', $identity);
1344     $oTemplate->assign('input_onfocus', 'onfocus="'.join(' ', $onfocus_array).'"');
1345
1346     $oTemplate->assign('to', sm_encode_html_special_chars($send_to));
1347     $oTemplate->assign('cc', sm_encode_html_special_chars($send_to_cc));
1348     $oTemplate->assign('bcc', sm_encode_html_special_chars($send_to_bcc));
1349     $oTemplate->assign('subject', sm_encode_html_special_chars($subject));
1350
1351     // access keys...
1352     //
1353     global $accesskey_compose_to, $accesskey_compose_cc,
1354            $accesskey_compose_identity, $accesskey_compose_bcc,
1355            $accesskey_compose_subject;
1356     $oTemplate->assign('accesskey_compose_identity', $accesskey_compose_identity);
1357     $oTemplate->assign('accesskey_compose_to', $accesskey_compose_to);
1358     $oTemplate->assign('accesskey_compose_cc', $accesskey_compose_cc);
1359     $oTemplate->assign('accesskey_compose_bcc', $accesskey_compose_bcc);
1360     $oTemplate->assign('accesskey_compose_subject', $accesskey_compose_subject);
1361
1362     $oTemplate->display('compose_header.tpl');
1363
1364     if ($location_of_buttons == 'between') {
1365 //FIXME: DON'T ECHO HTML FROM CORE!
1366         showComposeButtonRow();
1367     }
1368
1369     $body_str = '';
1370     if ($use_signature == true && $newmail == true && !isset($from_htmladdr_search)) {
1371         $signature = $idents[$identity]['signature'];
1372
1373         if ($sig_first == '1') {
1374             /*
1375              * FIXME: test is specific to ja_JP translation implementation.
1376              * This test might apply incorrect conversion to other translations, but
1377              * use of 7bit iso-2022-jp charset in other translations might have other
1378              * issues too.
1379              */
1380             if ($default_charset == 'iso-2022-jp') {
1381                 $body_str = "\n\n".($prefix_sig==true? "-- \n":'').mb_convert_encoding($signature, 'EUC-JP');
1382             } else {
1383                 $body_str = "\n\n".($prefix_sig==true? "-- \n":'').decodeHeader($signature,false,false);
1384             }
1385             $body_str .= "\n\n".sm_encode_html_special_chars(decodeHeader($body,false,false));
1386         } else {
1387             $body_str = "\n\n".sm_encode_html_special_chars(decodeHeader($body,false,false));
1388             // FIXME: test is specific to ja_JP translation implementation. See above comments.
1389             if ($default_charset == 'iso-2022-jp') {
1390                 $body_str .= "\n\n".($prefix_sig==true? "-- \n":'').mb_convert_encoding($signature, 'EUC-JP');
1391             } else {
1392                 $body_str .= "\n\n".($prefix_sig==true? "-- \n":'').decodeHeader($signature,false,false);
1393             }
1394         }
1395     } else {
1396         $body_str = sm_encode_html_special_chars(decodeHeader($body,false,false));
1397     }
1398
1399     $oTemplate->assign('editor_width', (int)$editor_size);
1400     $oTemplate->assign('editor_height', (int)$editor_height);
1401     $oTemplate->assign('input_onfocus', 'onfocus="'.join(' ', $onfocus_array).'"');
1402     $oTemplate->assign('body', $body_str);
1403     $oTemplate->assign('show_bottom_send', $location_of_buttons!='bottom');
1404
1405     // access keys...
1406     //
1407     global $accesskey_compose_body, $accesskey_compose_send;
1408     $oTemplate->assign('accesskey_compose_body', $accesskey_compose_body);
1409     $oTemplate->assign('accesskey_compose_send', $accesskey_compose_send);
1410
1411     $oTemplate->display ('compose_body.tpl');
1412
1413     if ($location_of_buttons == 'bottom') {
1414 //FIXME: DON'T ECHO HTML FROM CORE!
1415         showComposeButtonRow();
1416     }
1417
1418     // composeMessage can be empty when coming from a restored session
1419     if (is_object($composeMessage) && $composeMessage->entities)
1420         $attach_array = $composeMessage->entities;
1421     if ($session_expired && !empty($attachments) && is_array($attachments))
1422         $attach_array = $attachments;
1423
1424     /* This code is for attachments */
1425     if ((bool) ini_get('file_uploads')) {
1426
1427         /* Calculate the max size for an uploaded file.
1428          * This is advisory for the user because we can't actually prevent
1429          * people to upload too large files. */
1430         $sizes = array();
1431         /* php.ini vars which influence the max for uploads */
1432         $configvars = array('post_max_size', 'memory_limit', 'upload_max_filesize');
1433         foreach($configvars as $var) {
1434             /* skip 0 or empty values, and -1 which means 'unlimited' */
1435             if( $size = getByteSize(ini_get($var)) ) {
1436                 if ( $size != '-1' ) {
1437                     $sizes[] = $size;
1438                 }
1439             }
1440         }
1441
1442         $attach = array();
1443         global $username, $attachment_dir;
1444         $hashed_attachment_dir = getHashedDir($username, $attachment_dir);
1445         if (!empty($attach_array)) {
1446             foreach ($attach_array as $key => $attachment) {
1447                 $attached_file = $attachment->att_local_name;
1448                 if ($attachment->att_local_name || $attachment->body_part) {
1449                     $attached_filename = decodeHeader($attachment->mime_header->getParameter('name'));
1450                     $type = $attachment->mime_header->type0.'/'.
1451                         $attachment->mime_header->type1;
1452
1453                     $a = array();
1454                     $a['Key'] = $key;
1455                     $a['FileName'] = $attached_filename;
1456                     $a['ContentType'] = $type;
1457                     $a['Size'] = filesize($hashed_attachment_dir . '/' . $attached_file);
1458                     $attach[$key] = $a;
1459                 }
1460             }
1461         }
1462
1463         $max = min($sizes);
1464         $oTemplate->assign('max_file_size', empty($max) ? -1 : $max);
1465         $oTemplate->assign('attachments', $attach);
1466
1467         // access keys...
1468         //
1469         global $accesskey_compose_attach_browse, $accesskey_compose_attach,
1470                $accesskey_compose_delete_attach;
1471         $oTemplate->assign('accesskey_compose_attach_browse', $accesskey_compose_attach_browse);
1472         $oTemplate->assign('accesskey_compose_attach', $accesskey_compose_attach);
1473         $oTemplate->assign('accesskey_compose_delete_attach', $accesskey_compose_delete_attach);
1474
1475         $oTemplate->display('compose_attachments.tpl');
1476     } // End of file_uploads if-block
1477     /* End of attachment code */
1478
1479     $oTemplate->assign('username', $username);
1480     $oTemplate->assign('smaction', $action);
1481     $oTemplate->assign('mailbox', $mailbox);
1482     sqgetGlobalVar('QUERY_STRING', $queryString, SQ_SERVER);
1483     $oTemplate->assign('querystring', $queryString);
1484     $oTemplate->assign('composesession', $composesession);
1485     $oTemplate->assign('send_button_count', unique_widget_name('send', TRUE));
1486     if (!empty($attach_array))
1487         $oTemplate->assign('attachments', urlencode(serialize($attach_array)));
1488
1489     $aUserNotices = array();
1490
1491     // File uploads are off, so we didn't show that part of the form.
1492     // To avoid bogus bug reports, tell the user why.
1493     if (!(bool) ini_get('file_uploads')) {
1494         $aUserNotices[] = _("Because PHP file uploads are turned off, you can not attach files to this message. Please see your system administrator for details.");
1495     }
1496
1497     $oTemplate->assign('user_notices', $aUserNotices);
1498
1499     $oTemplate->display('compose_form_close.tpl');
1500
1501     if ($compose_new_win=='1') {
1502         $oTemplate->display('compose_newwin_close.tpl');
1503     }
1504
1505     $oErrorHandler->setDelayedErrors(false);
1506     $oTemplate->display('footer.tpl');
1507 }
1508
1509
1510 function showComposeButtonRow() {
1511     global $use_javascript_addr_book, $save_as_draft,
1512         $default_use_priority, $mailprio, $default_use_mdn,
1513         $request_mdn, $request_dr,
1514         $data_dir, $username;
1515
1516     global $oTemplate, $buffer_hook;
1517
1518     if ($default_use_priority) {
1519         $priorities = array('1'=>_("High"), '3'=>_("Normal"), '5'=>_("Low"));
1520         $priority = isset($mailprio) ? $mailprio : 3;
1521     } else {
1522         $priorities = array();
1523         $priority = NULL;
1524     }
1525
1526     $mdn_user_support=getPref($data_dir, $username, 'mdn_user_support',$default_use_mdn);
1527
1528     $address_book_button_attribs = array();
1529     global $accesskey_compose_addresses;
1530     if ($accesskey_compose_addresses != 'NONE')
1531         $address_book_button_attribs['accesskey'] = $accesskey_compose_addresses;
1532     if ($use_javascript_addr_book && checkForJavascript()) {
1533         $addr_book = addButton(_("Addresses"),
1534                                null,
1535                                array_merge($address_book_button_attribs, array('onclick' => 'javascript:open_abook();')));
1536     } else {
1537         $addr_book = addSubmit(_("Addresses"), 'html_addr_search', $address_book_button_attribs);
1538     }
1539
1540     $oTemplate->assign('allow_priority', $default_use_priority==1);
1541     $oTemplate->assign('priority_list', $priorities);
1542     $oTemplate->assign('current_priority', $priority);
1543
1544     $oTemplate->assign('notifications_enabled', $mdn_user_support==1);
1545     $oTemplate->assign('read_receipt', $request_mdn=='1');
1546     $oTemplate->assign('delivery_receipt', $request_dr=='1');
1547
1548     $oTemplate->assign('drafts_enabled', $save_as_draft);
1549     $oTemplate->assign('address_book_button', $addr_book);
1550
1551     // access keys...
1552     //
1553     global $accesskey_compose_priority, $accesskey_compose_on_read,
1554            $accesskey_compose_on_delivery, $accesskey_compose_signature,
1555            $accesskey_compose_save_draft, $accesskey_compose_send;
1556     $oTemplate->assign('accesskey_compose_priority', $accesskey_compose_priority);
1557     $oTemplate->assign('accesskey_compose_on_read', $accesskey_compose_on_read);
1558     $oTemplate->assign('accesskey_compose_on_delivery', $accesskey_compose_on_delivery);
1559     $oTemplate->assign('accesskey_compose_signature', $accesskey_compose_signature);
1560     $oTemplate->assign('accesskey_compose_save_draft', $accesskey_compose_save_draft);
1561     $oTemplate->assign('accesskey_compose_send', $accesskey_compose_send);
1562
1563     $oTemplate->display('compose_buttons.tpl');
1564 }
1565
1566 function checkInput ($show) {
1567     /*
1568      * I implemented the $show variable because the error messages
1569      * were getting sent before the page header.  So, I check once
1570      * using $show=false, and then when i'm ready to display the error
1571      * message, show=true
1572      */
1573     global $send_to, $send_to_cc, $send_to_bcc;
1574
1575     $send_to = trim($send_to);
1576     $send_to_cc = trim($send_to_cc);
1577     $send_to_bcc = trim($send_to_bcc);
1578     if (empty($send_to) && empty($send_to_cc) && empty($send_to_bcc)) {
1579         if ($show) {
1580             plain_error_message(_("You have not filled in the \"To:\" field."));
1581         }
1582         return false;
1583     }
1584     return true;
1585 } /* function checkInput() */
1586
1587
1588 /* True if FAILURE */
1589 function saveAttachedFiles($session) {
1590     global $composeMessage, $username, $attachment_dir;
1591
1592     /* get out of here if no file was attached at all */
1593     if (! is_uploaded_file($_FILES['attachfile']['tmp_name']) ) {
1594         return true;
1595     }
1596
1597     $hashed_attachment_dir = getHashedDir($username, $attachment_dir);
1598     $localfilename = sq_get_attach_tempfile();
1599     $fullpath = $hashed_attachment_dir . '/' . $localfilename;
1600
1601     // m_u_f works better with restricted PHP installs (safe_mode, open_basedir),
1602     // if that doesn't work, try a simple rename.
1603     if (!sq_call_function_suppress_errors('move_uploaded_file', array($_FILES['attachfile']['tmp_name'], $fullpath))) {
1604         if (!sq_call_function_suppress_errors('rename', array($_FILES['attachfile']['tmp_name'], $fullpath))) {
1605             return true;
1606         }
1607     }
1608     $type = strtolower($_FILES['attachfile']['type']);
1609     $name = $_FILES['attachfile']['name'];
1610     $composeMessage->initAttachment($type, $name, $localfilename);
1611 }
1612
1613 /**
1614   * Parse strings such as "8M" and "2k" into their corresponding size in bytes
1615   *
1616   * NOTE: This function only recognizes the suffixes "K", "M" and "G"
1617   *       and will probably break very easily if the given size is in
1618   *       some completely different format.
1619   *
1620   * @param string $ini_size The input string to be converted
1621   *
1622   * @return mixed Boolean FALSE if something went wrong (the value passed in
1623   *               was empty?, the suffix was not recognized?), otherwise, the
1624   *               converted size in bytes (just the number (as an integer),
1625   *               no unit identifier included)
1626   *
1627   */
1628 function getByteSize($ini_size) {
1629
1630     if(!$ini_size) {
1631         return FALSE;
1632     }
1633
1634     $ini_size = trim($ini_size);
1635
1636     // if there's some kind of letter at the end of the string we need to multiply.
1637     if(!is_numeric(substr($ini_size, -1))) {
1638
1639         switch(strtoupper(substr($ini_size, -1))) {
1640             case 'G':
1641                 $bytesize = 1073741824;
1642                 break;
1643             case 'M':
1644                 $bytesize = 1048576;
1645                 break;
1646             case 'K':
1647                 $bytesize = 1024;
1648                 break;
1649              default:
1650                 return FALSE;
1651         }
1652
1653         return ($bytesize * (int)substr($ini_size, 0, -1));
1654     }
1655
1656     return $ini_size;
1657 }
1658
1659
1660 /**
1661  * temporary function to make use of the deliver class.
1662  * In the future the responsible backend should be automaticly loaded
1663  * and conf.pl should show a list of available backends.
1664  * The message also should be constructed by the message class.
1665  *
1666  * @param object $composeMessage The message being sent.  Please note
1667  *                               that it is passed by reference and
1668  *                               will be returned modified, with additional
1669  *                               headers, such as Message-ID, Date, In-Reply-To,
1670  *                               References, and so forth.
1671  *
1672  * @return boolean FALSE if delivery failed, or some non-FALSE value
1673  *                 upon success.
1674  *
1675  */
1676 function deliverMessage(&$composeMessage, $draft=false) {
1677     global $send_to, $send_to_cc, $send_to_bcc, $mailprio, $subject, $body,
1678         $username, $identity, $idents, $data_dir,
1679         $request_mdn, $request_dr, $default_charset, $useSendmail,
1680         $domain, $action, $default_move_to_sent, $move_to_sent,
1681         $imapServerAddress, $imapPort, $sent_folder, $key;
1682
1683     $rfc822_header = $composeMessage->rfc822_header;
1684
1685     $abook = addressbook_init(false, true);
1686     $rfc822_header->to = $rfc822_header->parseAddress($send_to,true, array(), '', $domain, array(&$abook,'lookup'));
1687     $rfc822_header->cc = $rfc822_header->parseAddress($send_to_cc,true,array(), '',$domain, array(&$abook,'lookup'));
1688     $rfc822_header->bcc = $rfc822_header->parseAddress($send_to_bcc,true, array(), '',$domain, array(&$abook,'lookup'));
1689     $rfc822_header->priority = $mailprio;
1690     $rfc822_header->subject = $subject;
1691
1692     $special_encoding='';
1693     if (strtolower($default_charset) == 'iso-2022-jp') {
1694         if (mb_detect_encoding($body) == 'ASCII') {
1695             $special_encoding = '8bit';
1696         } else {
1697             $body = mb_convert_encoding($body, 'JIS');
1698             $special_encoding = '7bit';
1699         }
1700     }
1701     $composeMessage->setBody($body);
1702
1703     $reply_to = '';
1704     $reply_to  = $idents[$identity]['reply_to'];
1705     if ($reply_to && strpos($reply_to, '@') === FALSE)
1706         $reply_to .= '@' . $domain;
1707
1708     $from_addr = build_from_header($identity);
1709     $rfc822_header->from = $rfc822_header->parseAddress($from_addr,true);
1710     if ($reply_to) {
1711         $rfc822_header->reply_to = $rfc822_header->parseAddress($reply_to,true);
1712     }
1713     /* Receipt: On Read */
1714     if (isset($request_mdn) && $request_mdn) {
1715         $rfc822_header->dnt = $rfc822_header->parseAddress($from_addr,true);
1716     } elseif (isset($rfc822_header->dnt)) {
1717         unset($rfc822_header->dnt);
1718     }
1719
1720     /* Receipt: On Delivery */
1721     if (!empty($request_dr)) {
1722 //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?
1723         $rfc822_header->more_headers['Return-Receipt-To'] = $from_addr;
1724     } elseif (isset($rfc822_header->more_headers['Return-Receipt-To'])) {
1725         unset($rfc822_header->more_headers['Return-Receipt-To']);
1726     }
1727
1728     /* multipart messages */
1729     if (count($composeMessage->entities)) {
1730         $message_body = new Message();
1731         $message_body->body_part = $composeMessage->body_part;
1732         $composeMessage->body_part = '';
1733         $mime_header = new MessageHeader;
1734         $mime_header->type0 = 'text';
1735         $mime_header->type1 = 'plain';
1736         if ($special_encoding) {
1737             $mime_header->encoding = $special_encoding;
1738         } else {
1739             $mime_header->encoding = '8bit';
1740         }
1741         if ($default_charset) {
1742             $mime_header->parameters['charset'] = $default_charset;
1743         }
1744         $message_body->mime_header = $mime_header;
1745         array_unshift($composeMessage->entities, $message_body);
1746         $content_type = new ContentType('multipart/mixed');
1747     } else {
1748         $content_type = new ContentType('text/plain');
1749         if ($special_encoding) {
1750             $rfc822_header->encoding = $special_encoding;
1751         } else {
1752             $rfc822_header->encoding = '8bit';
1753         }
1754         if ($default_charset) {
1755             $content_type->properties['charset']=$default_charset;
1756         }
1757     }
1758
1759     $rfc822_header->content_type = $content_type;
1760     $composeMessage->rfc822_header = $rfc822_header;
1761     if ($action == 'reply' || $action == 'reply_all') {
1762         global $passed_id, $passed_ent_id;
1763         $reply_id = $passed_id;
1764         $reply_ent_id = $passed_ent_id;
1765     } else {
1766         $reply_id = '';
1767         $reply_ent_id = '';
1768     }
1769
1770     /* Here you can modify the message structure just before we hand
1771        it over to deliver; plugin authors note that $composeMessage
1772        is sent and modified by reference since 1.5.2 */
1773     do_hook('compose_send', $composeMessage);
1774
1775     if (!$useSendmail && !$draft) {
1776         require_once(SM_PATH . 'class/deliver/Deliver_SMTP.class.php');
1777         $deliver = new Deliver_SMTP();
1778         global $smtpServerAddress, $smtpPort, $pop_before_smtp, $pop_before_smtp_host;
1779
1780         $authPop = (isset($pop_before_smtp) && $pop_before_smtp) ? true : false;
1781         if (empty($pop_before_smtp_host)) $pop_before_smtp_host = $smtpServerAddress;
1782         get_smtp_user($user, $pass);
1783         $stream = $deliver->initStream($composeMessage,$domain,0,
1784                 $smtpServerAddress, $smtpPort, $user, $pass, $authPop, $pop_before_smtp_host);
1785     } elseif (!$draft) {
1786         require_once(SM_PATH . 'class/deliver/Deliver_SendMail.class.php');
1787         global $sendmail_path, $sendmail_args;
1788         // Check for outdated configuration
1789         if (!isset($sendmail_args)) {
1790             if ($sendmail_path=='/var/qmail/bin/qmail-inject') {
1791                 $sendmail_args = '';
1792             } else {
1793                 $sendmail_args = '-i -t';
1794             }
1795         }
1796         $deliver = new Deliver_SendMail(array('sendmail_args'=>$sendmail_args));
1797         $stream = $deliver->initStream($composeMessage,$sendmail_path);
1798     } elseif ($draft) {
1799         global $draft_folder;
1800         $imap_stream = sqimap_login($username, false, $imapServerAddress,
1801                 $imapPort, 0);
1802         if (sqimap_mailbox_exists ($imap_stream, $draft_folder)) {
1803             require_once(SM_PATH . 'class/deliver/Deliver_IMAP.class.php');
1804             $imap_deliver = new Deliver_IMAP();
1805             $success = $imap_deliver->mail($composeMessage, $imap_stream, $reply_id, $reply_ent_id, $imap_stream, $draft_folder);
1806             sqimap_logout($imap_stream);
1807             unset ($imap_deliver);
1808             $composeMessage->purgeAttachments();
1809             return $success;
1810         } else {
1811             $msg  = '<br />'.sprintf(_("Error: Draft folder %s does not exist."), sm_encode_html_special_chars($draft_folder));
1812             plain_error_message($msg);
1813             return false;
1814         }
1815     }
1816     $success = false;
1817     if ($stream) {
1818         $deliver->mail($composeMessage, $stream, $reply_id, $reply_ent_id);
1819         $success = $deliver->finalizeStream($stream);
1820     }
1821     if (!$success) {
1822         // $deliver->dlv_server_msg is not always server's reply
1823         $msg = _("Message not sent.")
1824              . "<br />\n"
1825              . (isset($deliver->dlv_msg) ? $deliver->dlv_msg : '');
1826         if (!empty($deliver->dlv_server_msg)) {
1827             // add 'server replied' part only when it is not empty.
1828             // Delivery error can be generated by delivery class itself
1829             $msg .= '<br />'
1830                   . _("Server replied:") . ' '
1831                   . (isset($deliver->dlv_ret_nr) ? $deliver->dlv_ret_nr . ' ' : '')
1832                   . nl2br(sm_encode_html_special_chars($deliver->dlv_server_msg));
1833         }
1834         plain_error_message($msg);
1835     } else {
1836         unset ($deliver);
1837         $imap_stream = sqimap_login($username, false, $imapServerAddress, $imapPort, 0);
1838
1839
1840         // mark as replied or forwarded if applicable
1841         //
1842         global $what, $iAccount, $startMessage, $passed_id, $fwduid, $mailbox;
1843
1844         if ($action=='reply' || $action=='reply_all' || $action=='forward' || $action=='forward_as_attachment') {
1845             require(SM_PATH . 'functions/mailbox_display.php');
1846             $aMailbox = sqm_api_mailbox_select($imap_stream, $iAccount, $mailbox,array('setindex' => $what, 'offset' => $startMessage),array());
1847             switch($action) {
1848             case 'reply':
1849             case 'reply_all':
1850                 // check if we are allowed to set the \\Answered flag
1851                 if (in_array('\\answered',$aMailbox['PERMANENTFLAGS'], true)) {
1852                     $aUpdatedMsgs = sqimap_toggle_flag($imap_stream, array($passed_id), '\\Answered', true, false);
1853                     if (isset($aUpdatedMsgs[$passed_id]['FLAGS'])) {
1854                         /**
1855                         * Only update the cached headers if the header is
1856                         * cached.
1857                         */
1858                         if (isset($aMailbox['MSG_HEADERS'][$passed_id])) {
1859                             $aMailbox['MSG_HEADERS'][$passed_id]['FLAGS'] = $aMsg['FLAGS'];
1860                         }
1861                     }
1862                 }
1863                 break;
1864             case 'forward':
1865             case 'forward_as_attachment':
1866                 // check if we are allowed to set the $Forwarded flag (RFC 4550 paragraph 2.8)
1867                 if (in_array('$forwarded',$aMailbox['PERMANENTFLAGS'], true) ||
1868                     in_array('\\*',$aMailbox['PERMANENTFLAGS'])) {
1869
1870                     // when forwarding as an attachment from the message
1871                     // list, passed_id is not used, need to get UID(s)
1872                     // from the query string
1873                     //
1874                     if (empty($passed_id) && !empty($fwduid))
1875                         $ids = explode('_', $fwduid);
1876                     else
1877                         $ids = array($passed_id);
1878
1879                     $aUpdatedMsgs = sqimap_toggle_flag($imap_stream, $ids, '$Forwarded', true, false);
1880
1881                     foreach ($ids as $id) {
1882                         if (isset($aUpdatedMsgs[$id]['FLAGS'])) {
1883                             if (isset($aMailbox['MSG_HEADERS'][$id])) {
1884                                 $aMailbox['MSG_HEADERS'][$id]['FLAGS'] = $aMsg['FLAGS'];
1885                             }
1886                         }
1887                     }
1888                 }
1889                 break;
1890             }
1891
1892             /**
1893              * Write mailbox with updated seen flag information back to cache.
1894              */
1895             if(isset($aUpdatedMsgs[$passed_id])) {
1896                 $mailbox_cache[$iAccount.'_'.$aMailbox['NAME']] = $aMailbox;
1897                 sqsession_register($mailbox_cache,'mailbox_cache');
1898             }
1899
1900         }
1901
1902
1903         // move to sent folder
1904         //
1905         $move_to_sent = getPref($data_dir,$username,'move_to_sent');
1906         if (isset($default_move_to_sent) && ($default_move_to_sent != 0)) {
1907             $svr_allow_sent = true;
1908         } else {
1909             $svr_allow_sent = false;
1910         }
1911
1912         if (isset($sent_folder) && (($sent_folder != '') || ($sent_folder != 'none'))
1913                 && sqimap_mailbox_exists( $imap_stream, $sent_folder)) {
1914             $fld_sent = true;
1915         } else {
1916             $fld_sent = false;
1917         }
1918
1919         if ((isset($move_to_sent) && ($move_to_sent != 0)) || (!isset($move_to_sent))) {
1920             $lcl_allow_sent = true;
1921         } else {
1922             $lcl_allow_sent = false;
1923         }
1924
1925         if (($fld_sent && $svr_allow_sent && !$lcl_allow_sent) || ($fld_sent && $lcl_allow_sent)) {
1926             if ($action == 'reply' || $action == 'reply_all') {
1927                 $save_reply_with_orig=getPref($data_dir,$username,'save_reply_with_orig');
1928                 if ($save_reply_with_orig) {
1929                     $sent_folder = $mailbox;
1930                 }
1931             }
1932             require_once(SM_PATH . 'class/deliver/Deliver_IMAP.class.php');
1933             $imap_deliver = new Deliver_IMAP();
1934             $imap_deliver->mail($composeMessage, $imap_stream, $reply_id, $reply_ent_id, $imap_stream, $sent_folder);
1935             unset ($imap_deliver);
1936         }
1937
1938
1939         // final cleanup
1940         //
1941         $composeMessage->purgeAttachments();
1942         sqimap_logout($imap_stream);
1943
1944     }
1945     return $success;
1946 }