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('""', '"', $orig_to);
1020
1021                             break;
1022                         }
1023                     }
1024
1025                     // if the reply was addressed back to ourselves,
1026                     // we will send it to the TO of the previous message,
1027                     // first making sure that that address wasn't also
1028                     // one of our identities
1029                     //
1030                     if (!empty($orig_to)) {
1031
1032                         foreach($idents as $id) {
1033                             if (!empty($id['email_address'])
1034                              && strpos($orig_to, $id['email_address']) !== FALSE) {
1035                                 $orig_to = '';
1036                                 break;
1037                             }
1038                         }
1039
1040                         // if $orig_to still not empty, we can use it
1041                         //
1042                         if (!empty($orig_to)) {
1043                             $send_to = $orig_to;
1044                         }
1045                     }
1046
1047                 }
1048
1049
1050                 $subject = decodeHeader($orig_header->subject,false,false,true);
1051                 $subject = str_replace('"', "'", $subject);
1052                 $subject = trim($subject);
1053                 if (substr(strtolower($subject), 0, 3) != 're:') {
1054                     $subject = 'Re: ' . $subject;
1055                 }
1056                 /* this corrects some wrapping/quoting problems on replies */
1057                 $rewrap_body = explode("\n", $body);
1058                 $from = (is_array($orig_header->from) && !empty($orig_header->from)) ? $orig_header->from[0] : $orig_header->from;
1059                 $body = '';
1060                 $strip_sigs = getPref($data_dir, $username, 'strip_sigs');
1061                 foreach ($rewrap_body as $line) {
1062                     if ($strip_sigs && rtrim($line, "\r\n") == '-- ') {
1063                         break;
1064                     }
1065                     if (preg_match("/^(>+)/", $line, $matches)) {
1066                         $gt = $matches[1];
1067                         $body .= $body_quote . str_replace("\n", "\n$body_quote$gt ", rtrim($line)) ."\n";
1068                     } else {
1069                         $body .= $body_quote . (!empty($body_quote) ? ' ' : '') . str_replace("\n", "\n$body_quote" . (!empty($body_quote) ? ' ' : ''), rtrim($line)) . "\n";
1070                     }
1071                 }
1072
1073                 //rewrap the body to clean up quotations and line lengths
1074                 $body = sqBodyWrap ($body, $editor_size);
1075
1076                 $body = getReplyCitation($from , $orig_header->date) . $body;
1077                 $composeMessage->reply_rfc822_header = $orig_header;
1078
1079                 break;
1080             default:
1081                 break;
1082         }
1083 //FIXME: we used to register $compose_messages in the session here, but not any more - so do we still need the session_write_close() and sqimap_logout() here?  We probably need the IMAP logout, but what about the session closure?
1084         session_write_close();
1085         sqimap_logout($imapConnection);
1086     }
1087     $ret = array( 'send_to' => $send_to,
1088             'send_to_cc' => $send_to_cc,
1089             'send_to_bcc' => $send_to_bcc,
1090             'subject' => $subject,
1091             'mailprio' => $mailprio,
1092             'body' => $body,
1093             'identity' => $identity );
1094
1095     return ($ret);
1096 } /* function newMail() */
1097
1098 /**
1099  * downloads attachments from original message, stores them in attachment directory and adds
1100  * them to composed message.
1101  * @param object $message
1102  * @param object $composeMessage
1103  * @param integer $passed_id
1104  * @param mixed $entities
1105  * @param mixed $imapConnection
1106  * @return object
1107  */
1108 function getAttachments($message, &$composeMessage, $passed_id, $entities, $imapConnection) {
1109     global $squirrelmail_language, $languages, $username, $attachment_dir;
1110
1111     if (!count($message->entities) ||
1112             ($message->type0 == 'message' && $message->type1 == 'rfc822')) {
1113         if ( !in_array($message->entity_id, $entities) && $message->entity_id) {
1114             switch ($message->type0) {
1115                 case 'message':
1116                     if ($message->type1 == 'rfc822') {
1117                         $filename = $message->rfc822_header->subject;
1118                         if ($filename == "") {
1119                             $filename = "untitled-".$message->entity_id;
1120                         }
1121                         $filename .= '.eml';
1122                     } else {
1123                         $filename = $message->getFilename();
1124                     }
1125                     break;
1126                 default:
1127                     if (!$message->mime_header) { /* temporary hack */
1128                         $message->mime_header = $message->header;
1129                     }
1130                     $filename = $message->getFilename();
1131                     break;
1132             }
1133 //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
1134             $filename = str_replace('&#32;', ' ', decodeHeader($filename, true, true, true));
1135             if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
1136                     function_exists($languages[$squirrelmail_language]['XTRA_CODE'] . '_encode')) {
1137                 $filename =  call_user_func($languages[$squirrelmail_language]['XTRA_CODE'] . '_encode', $filename);
1138             }
1139
1140             $hashed_attachment_dir = getHashedDir($username, $attachment_dir);
1141             $localfilename = sq_get_attach_tempfile();
1142             $message->att_local_name = $localfilename;
1143
1144             $composeMessage->initAttachment($message->type0.'/'.$message->type1,$filename,
1145                     $localfilename);
1146
1147             /* Write Attachment to file */
1148             $fp = fopen ($hashed_attachment_dir . '/' . $localfilename, 'wb');
1149             mime_print_body_lines ($imapConnection, $passed_id, $message->entity_id, $message->header->encoding, $fp);
1150             fclose ($fp);
1151         }
1152     } else {
1153         for ($i=0, $entCount=count($message->entities); $i<$entCount;$i++) {
1154             $composeMessage=getAttachments($message->entities[$i], $composeMessage, $passed_id, $entities, $imapConnection);
1155         }
1156     }
1157     return $composeMessage;
1158 }
1159
1160 function getMessage_RFC822_Attachment($message, $composeMessage, $passed_id,
1161         $passed_ent_id='', $imapConnection) {
1162     if (!$passed_ent_id) {
1163         $body_a = sqimap_run_command($imapConnection,
1164                 'FETCH '.$passed_id.' RFC822',
1165                 TRUE, $response, $readmessage,
1166                 TRUE);
1167     } else {
1168         $body_a = sqimap_run_command($imapConnection,
1169                 'FETCH '.$passed_id.' BODY['.$passed_ent_id.']',
1170                 TRUE, $response, $readmessage, TRUE);
1171         $message = $message->parent;
1172     }
1173     if ($response == 'OK') {
1174         $subject = encodeHeader($message->rfc822_header->subject);
1175         array_shift($body_a);
1176         array_pop($body_a);
1177         $body = implode('', $body_a) . "\r\n";
1178
1179         global $username, $attachment_dir;
1180         $hashed_attachment_dir = getHashedDir($username, $attachment_dir);
1181         $localfilename = sq_get_attach_tempfile();
1182         $fp = fopen($hashed_attachment_dir . '/' . $localfilename, 'wb');
1183         fwrite ($fp, $body);
1184         fclose($fp);
1185         $composeMessage->initAttachment('message/rfc822',$subject.'.eml',
1186                 $localfilename);
1187     }
1188     return $composeMessage;
1189 }
1190
1191 function showInputForm ($session, $values=false) {
1192     global $send_to, $send_to_cc, $send_to_bcc,
1193         $body, $startMessage, $action, $attachments,
1194         $use_signature, $signature, $prefix_sig, $session_expired,
1195         $editor_size, $editor_height, $subject, $newmail,
1196         $use_javascript_addr_book, $passed_id, $mailbox, $fwduid,
1197         $from_htmladdr_search, $location_of_buttons, $attachment_dir,
1198         $username, $data_dir, $identity, $idents, $delete_draft,
1199         $mailprio, $compose_new_win, $saved_draft, $mail_sent, $sig_first,
1200         $composeMessage, $composesession, $default_charset,
1201         $compose_onsubmit, $oTemplate, $oErrorHandler;
1202
1203     if (checkForJavascript()) {
1204         $onfocus = ' onfocus="alreadyFocused=true;"';
1205         $onfocus_array = array('onfocus' => 'alreadyFocused=true;');
1206     }
1207     else {
1208         $onfocus = '';
1209         $onfocus_array = array();
1210     }
1211
1212     if ($values) {
1213         $send_to = $values['send_to'];
1214         $send_to_cc = $values['send_to_cc'];
1215         $send_to_bcc = $values['send_to_bcc'];
1216         $subject = $values['subject'];
1217         $mailprio = $values['mailprio'];
1218         $body = $values['body'];
1219         $identity = (int) $values['identity'];
1220     } else {
1221         $send_to = decodeHeader($send_to, true, false);
1222         $send_to_cc = decodeHeader($send_to_cc, true, false);
1223         $send_to_bcc = decodeHeader($send_to_bcc, true, false);
1224     }
1225
1226     if ($use_javascript_addr_book) {
1227 //FIXME: NO HTML IN CORE!
1228         echo "\n". '<script type="text/javascript">'."\n<!--\n" .
1229             'function open_abook() { ' . "\n" .
1230             '  var nwin = window.open("addrbook_popup.php","abookpopup",' .
1231             '"width=670,height=300,resizable=yes,scrollbars=yes");' . "\n" .
1232             '  if((!nwin.opener) && (document.windows != null))' . "\n" .
1233             '    nwin.opener = document.windows;' . "\n" .
1234             "}\n" .
1235             "// -->\n</script>\n\n";
1236     }
1237
1238 //FIXME: NO HTML IN CORE!
1239     echo "\n" . '<form name="compose" action="compose.php" method="post" ' .
1240         'enctype="multipart/form-data"';
1241
1242     $compose_onsubmit = array();
1243     global $null;
1244     do_hook('compose_form', $null);
1245
1246     // Plugins that use compose_form hook can add an array entry
1247     // to the globally scoped $compose_onsubmit; we add them up
1248     // here and format the form tag's full onsubmit handler.
1249     // Each plugin should use "return false" if they need to
1250     // stop form submission but otherwise should NOT use "return
1251     // true" to give other plugins the chance to do what they need
1252     // to do; SquirrelMail itself will add the final "return true".
1253     // Onsubmit text is enclosed inside of double quotes, so plugins
1254     // need to quote accordingly.
1255     //
1256     // Also, plugin authors should try to retain compatibility with
1257     // the Compose Extras plugin by resetting its compose submit
1258     // counter when preventing form submit.  Use this code:
1259     // if (your-code-here) { submit_count = 0; return false; }
1260     //
1261     if (checkForJavascript()) {
1262         if (empty($compose_onsubmit))
1263             $compose_onsubmit = array();
1264         else if (!is_array($compose_onsubmit))
1265             $compose_onsubmit = array($compose_onsubmit);
1266
1267         $onsubmit_text = '';
1268         foreach ($compose_onsubmit as $text) {
1269             $text = trim($text);
1270             if (!empty($text)) {
1271                 if (substr($text, -1) != ';' && substr($text, -1) != '}')
1272                     $text .= '; ';
1273                 $onsubmit_text .= $text;
1274             }
1275         }
1276
1277         if (!empty($onsubmit_text))
1278 //FIXME: DON'T ECHO HTML FROM CORE!
1279             echo ' onsubmit="' . $onsubmit_text . ' return true;"';
1280     }
1281
1282
1283 //FIXME: NO HTML IN CORE!
1284     echo ">\n";
1285
1286 //FIXME: DON'T ECHO HTML FROM CORE!
1287     echo addHidden('smtoken', sm_generate_security_token());
1288
1289 //FIXME: DON'T ECHO HTML FROM CORE!
1290     echo addHidden('startMessage', $startMessage);
1291
1292     if ($action == 'draft') {
1293 //FIXME: DON'T ECHO HTML FROM CORE!
1294         echo addHidden('delete_draft', $passed_id);
1295     }
1296     if (isset($delete_draft)) {
1297 //FIXME: DON'T ECHO HTML FROM CORE!
1298         echo addHidden('delete_draft', $delete_draft);
1299     }
1300     if (isset($session)) {
1301 //FIXME: DON'T ECHO HTML FROM CORE!
1302         echo addHidden('session', $session);
1303     }
1304
1305     if (isset($passed_id)) {
1306 //FIXME: DON'T ECHO HTML FROM CORE!
1307         echo addHidden('passed_id', $passed_id);
1308     }
1309
1310     if (isset($fwduid)) {
1311 //FIXME: DON'T ECHO HTML FROM CORE!
1312         echo addHidden('fwduid', $fwduid);
1313     }
1314
1315     if ($saved_draft == 'yes') {
1316         $oTemplate->assign('note', _("Your draft has been saved."));
1317         $oTemplate->display('note.tpl');
1318     }
1319     if ($mail_sent == 'yes') {
1320         $oTemplate->assign('note', _("Your mail has been sent."));
1321         $oTemplate->display('note.tpl');
1322     }
1323     if ($compose_new_win == '1') {
1324         $oTemplate->display('compose_newwin_close.tpl');
1325     }
1326
1327     if ($location_of_buttons == 'top') {
1328 //FIXME: DON'T ECHO HTML FROM CORE!
1329         showComposeButtonRow();
1330     }
1331
1332     $identities = array();
1333     if (count($idents) > 1) {
1334         reset($idents);
1335         foreach($idents as $id => $data) {
1336             $identities[$id] = $data['full_name'].' &lt;'.$data['email_address'].'&gt;';
1337         }
1338     }
1339
1340     $oTemplate->assign('identities', $identities);
1341     $oTemplate->assign('identity_def', $identity);
1342     $oTemplate->assign('input_onfocus', 'onfocus="'.join(' ', $onfocus_array).'"');
1343
1344     $oTemplate->assign('to', sm_encode_html_special_chars($send_to));
1345     $oTemplate->assign('cc', sm_encode_html_special_chars($send_to_cc));
1346     $oTemplate->assign('bcc', sm_encode_html_special_chars($send_to_bcc));
1347     $oTemplate->assign('subject', sm_encode_html_special_chars($subject));
1348
1349     // access keys...
1350     //
1351     global $accesskey_compose_to, $accesskey_compose_cc,
1352            $accesskey_compose_identity, $accesskey_compose_bcc,
1353            $accesskey_compose_subject;
1354     $oTemplate->assign('accesskey_compose_identity', $accesskey_compose_identity);
1355     $oTemplate->assign('accesskey_compose_to', $accesskey_compose_to);
1356     $oTemplate->assign('accesskey_compose_cc', $accesskey_compose_cc);
1357     $oTemplate->assign('accesskey_compose_bcc', $accesskey_compose_bcc);
1358     $oTemplate->assign('accesskey_compose_subject', $accesskey_compose_subject);
1359
1360     $oTemplate->display('compose_header.tpl');
1361
1362     if ($location_of_buttons == 'between') {
1363 //FIXME: DON'T ECHO HTML FROM CORE!
1364         showComposeButtonRow();
1365     }
1366
1367     $body_str = '';
1368     if ($use_signature == true && $newmail == true && !isset($from_htmladdr_search)) {
1369         $signature = $idents[$identity]['signature'];
1370
1371         if ($sig_first == '1') {
1372             /*
1373              * FIXME: test is specific to ja_JP translation implementation.
1374              * This test might apply incorrect conversion to other translations, but
1375              * use of 7bit iso-2022-jp charset in other translations might have other
1376              * issues too.
1377              */
1378             if ($default_charset == 'iso-2022-jp') {
1379                 $body_str = "\n\n".($prefix_sig==true? "-- \n":'').mb_convert_encoding($signature, 'EUC-JP');
1380             } else {
1381                 $body_str = "\n\n".($prefix_sig==true? "-- \n":'').decodeHeader($signature,false,false);
1382             }
1383             $body_str .= "\n\n".sm_encode_html_special_chars(decodeHeader($body,false,false));
1384         } else {
1385             $body_str = "\n\n".sm_encode_html_special_chars(decodeHeader($body,false,false));
1386             // FIXME: test is specific to ja_JP translation implementation. See above comments.
1387             if ($default_charset == 'iso-2022-jp') {
1388                 $body_str .= "\n\n".($prefix_sig==true? "-- \n":'').mb_convert_encoding($signature, 'EUC-JP');
1389             } else {
1390                 $body_str .= "\n\n".($prefix_sig==true? "-- \n":'').decodeHeader($signature,false,false);
1391             }
1392         }
1393     } else {
1394         $body_str = sm_encode_html_special_chars(decodeHeader($body,false,false));
1395     }
1396
1397     $oTemplate->assign('editor_width', (int)$editor_size);
1398     $oTemplate->assign('editor_height', (int)$editor_height);
1399     $oTemplate->assign('input_onfocus', 'onfocus="'.join(' ', $onfocus_array).'"');
1400     $oTemplate->assign('body', $body_str);
1401     $oTemplate->assign('show_bottom_send', $location_of_buttons!='bottom');
1402
1403     // access keys...
1404     //
1405     global $accesskey_compose_body, $accesskey_compose_send;
1406     $oTemplate->assign('accesskey_compose_body', $accesskey_compose_body);
1407     $oTemplate->assign('accesskey_compose_send', $accesskey_compose_send);
1408
1409     $oTemplate->display ('compose_body.tpl');
1410
1411     if ($location_of_buttons == 'bottom') {
1412 //FIXME: DON'T ECHO HTML FROM CORE!
1413         showComposeButtonRow();
1414     }
1415
1416     // composeMessage can be empty when coming from a restored session
1417     if (is_object($composeMessage) && $composeMessage->entities)
1418         $attach_array = $composeMessage->entities;
1419     if ($session_expired && !empty($attachments) && is_array($attachments))
1420         $attach_array = $attachments;
1421
1422     /* This code is for attachments */
1423     if ((bool) ini_get('file_uploads')) {
1424
1425         /* Calculate the max size for an uploaded file.
1426          * This is advisory for the user because we can't actually prevent
1427          * people to upload too large files. */
1428         $sizes = array();
1429         /* php.ini vars which influence the max for uploads */
1430         $configvars = array('post_max_size', 'memory_limit', 'upload_max_filesize');
1431         foreach($configvars as $var) {
1432             /* skip 0 or empty values, and -1 which means 'unlimited' */
1433             if( $size = getByteSize(ini_get($var)) ) {
1434                 if ( $size != '-1' ) {
1435                     $sizes[] = $size;
1436                 }
1437             }
1438         }
1439
1440         $attach = array();
1441         global $username, $attachment_dir;
1442         $hashed_attachment_dir = getHashedDir($username, $attachment_dir);
1443         if (!empty($attach_array)) {
1444             foreach ($attach_array as $key => $attachment) {
1445                 $attached_file = $attachment->att_local_name;
1446                 if ($attachment->att_local_name || $attachment->body_part) {
1447                     $attached_filename = decodeHeader($attachment->mime_header->getParameter('name'));
1448                     $type = $attachment->mime_header->type0.'/'.
1449                         $attachment->mime_header->type1;
1450
1451                     $a = array();
1452                     $a['Key'] = $key;
1453                     $a['FileName'] = $attached_filename;
1454                     $a['ContentType'] = $type;
1455                     $a['Size'] = filesize($hashed_attachment_dir . '/' . $attached_file);
1456                     $attach[$key] = $a;
1457                 }
1458             }
1459         }
1460
1461         $max = min($sizes);
1462         $oTemplate->assign('max_file_size', empty($max) ? -1 : $max);
1463         $oTemplate->assign('attachments', $attach);
1464
1465         // access keys...
1466         //
1467         global $accesskey_compose_attach_browse, $accesskey_compose_attach,
1468                $accesskey_compose_delete_attach;
1469         $oTemplate->assign('accesskey_compose_attach_browse', $accesskey_compose_attach_browse);
1470         $oTemplate->assign('accesskey_compose_attach', $accesskey_compose_attach);
1471         $oTemplate->assign('accesskey_compose_delete_attach', $accesskey_compose_delete_attach);
1472
1473         $oTemplate->display('compose_attachments.tpl');
1474     } // End of file_uploads if-block
1475     /* End of attachment code */
1476
1477     $oTemplate->assign('username', $username);
1478     $oTemplate->assign('smaction', $action);
1479     $oTemplate->assign('mailbox', $mailbox);
1480     sqgetGlobalVar('QUERY_STRING', $queryString, SQ_SERVER);
1481     $oTemplate->assign('querystring', $queryString);
1482     $oTemplate->assign('composesession', $composesession);
1483     $oTemplate->assign('send_button_count', unique_widget_name('send', TRUE));
1484     if (!empty($attach_array))
1485         $oTemplate->assign('attachments', urlencode(serialize($attach_array)));
1486
1487     $aUserNotices = array();
1488
1489     // File uploads are off, so we didn't show that part of the form.
1490     // To avoid bogus bug reports, tell the user why.
1491     if (!(bool) ini_get('file_uploads')) {
1492         $aUserNotices[] = _("Because PHP file uploads are turned off, you can not attach files to this message. Please see your system administrator for details.");
1493     }
1494
1495     $oTemplate->assign('user_notices', $aUserNotices);
1496
1497     $oTemplate->display('compose_form_close.tpl');
1498
1499     if ($compose_new_win=='1') {
1500         $oTemplate->display('compose_newwin_close.tpl');
1501     }
1502
1503     $oErrorHandler->setDelayedErrors(false);
1504     $oTemplate->display('footer.tpl');
1505 }
1506
1507
1508 function showComposeButtonRow() {
1509     global $use_javascript_addr_book, $save_as_draft,
1510         $default_use_priority, $mailprio, $default_use_mdn,
1511         $request_mdn, $request_dr,
1512         $data_dir, $username;
1513
1514     global $oTemplate, $buffer_hook;
1515
1516     if ($default_use_priority) {
1517         $priorities = array('1'=>_("High"), '3'=>_("Normal"), '5'=>_("Low"));
1518         $priority = isset($mailprio) ? $mailprio : 3;
1519     } else {
1520         $priorities = array();
1521         $priority = NULL;
1522     }
1523
1524     $mdn_user_support=getPref($data_dir, $username, 'mdn_user_support',$default_use_mdn);
1525
1526     $address_book_button_attribs = array();
1527     global $accesskey_compose_addresses;
1528     if ($accesskey_compose_addresses != 'NONE')
1529         $address_book_button_attribs['accesskey'] = $accesskey_compose_addresses;
1530     if ($use_javascript_addr_book && checkForJavascript()) {
1531         $addr_book = addButton(_("Addresses"),
1532                                null,
1533                                array_merge($address_book_button_attribs, array('onclick' => 'javascript:open_abook();')));
1534     } else {
1535         $addr_book = addSubmit(_("Addresses"), 'html_addr_search', $address_book_button_attribs);
1536     }
1537
1538     $oTemplate->assign('allow_priority', $default_use_priority==1);
1539     $oTemplate->assign('priority_list', $priorities);
1540     $oTemplate->assign('current_priority', $priority);
1541
1542     $oTemplate->assign('notifications_enabled', $mdn_user_support==1);
1543     $oTemplate->assign('read_receipt', $request_mdn=='1');
1544     $oTemplate->assign('delivery_receipt', $request_dr=='1');
1545
1546     $oTemplate->assign('drafts_enabled', $save_as_draft);
1547     $oTemplate->assign('address_book_button', $addr_book);
1548
1549     // access keys...
1550     //
1551     global $accesskey_compose_priority, $accesskey_compose_on_read,
1552            $accesskey_compose_on_delivery, $accesskey_compose_signature,
1553            $accesskey_compose_save_draft, $accesskey_compose_send;
1554     $oTemplate->assign('accesskey_compose_priority', $accesskey_compose_priority);
1555     $oTemplate->assign('accesskey_compose_on_read', $accesskey_compose_on_read);
1556     $oTemplate->assign('accesskey_compose_on_delivery', $accesskey_compose_on_delivery);
1557     $oTemplate->assign('accesskey_compose_signature', $accesskey_compose_signature);
1558     $oTemplate->assign('accesskey_compose_save_draft', $accesskey_compose_save_draft);
1559     $oTemplate->assign('accesskey_compose_send', $accesskey_compose_send);
1560
1561     $oTemplate->display('compose_buttons.tpl');
1562 }
1563
1564 function checkInput ($show) {
1565     /*
1566      * I implemented the $show variable because the error messages
1567      * were getting sent before the page header.  So, I check once
1568      * using $show=false, and then when i'm ready to display the error
1569      * message, show=true
1570      */
1571     global $send_to, $send_to_cc, $send_to_bcc;
1572
1573     $send_to = trim($send_to);
1574     $send_to_cc = trim($send_to_cc);
1575     $send_to_bcc = trim($send_to_bcc);
1576     if (empty($send_to) && empty($send_to_cc) && empty($send_to_bcc)) {
1577         if ($show) {
1578             plain_error_message(_("You have not filled in the \"To:\" field."));
1579         }
1580         return false;
1581     }
1582     return true;
1583 } /* function checkInput() */
1584
1585
1586 /* True if FAILURE */
1587 function saveAttachedFiles($session) {
1588     global $composeMessage, $username, $attachment_dir;
1589
1590     /* get out of here if no file was attached at all */
1591     if (! is_uploaded_file($_FILES['attachfile']['tmp_name']) ) {
1592         return true;
1593     }
1594
1595     $hashed_attachment_dir = getHashedDir($username, $attachment_dir);
1596     $localfilename = sq_get_attach_tempfile();
1597     $fullpath = $hashed_attachment_dir . '/' . $localfilename;
1598
1599     // m_u_f works better with restricted PHP installs (safe_mode, open_basedir),
1600     // if that doesn't work, try a simple rename.
1601     if (!sq_call_function_suppress_errors('move_uploaded_file', array($_FILES['attachfile']['tmp_name'], $fullpath))) {
1602         if (!sq_call_function_suppress_errors('rename', array($_FILES['attachfile']['tmp_name'], $fullpath))) {
1603             return true;
1604         }
1605     }
1606     $type = strtolower($_FILES['attachfile']['type']);
1607     $name = $_FILES['attachfile']['name'];
1608     $composeMessage->initAttachment($type, $name, $localfilename);
1609 }
1610
1611 /**
1612   * Parse strings such as "8M" and "2k" into their corresponding size in bytes
1613   *
1614   * NOTE: This function only recognizes the suffixes "K", "M" and "G"
1615   *       and will probably break very easily if the given size is in
1616   *       some completely different format.
1617   *
1618   * @param string $ini_size The input string to be converted
1619   *
1620   * @return mixed Boolean FALSE if something went wrong (the value passed in
1621   *               was empty?, the suffix was not recognized?), otherwise, the
1622   *               converted size in bytes (just the number (as an integer),
1623   *               no unit identifier included)
1624   *
1625   */
1626 function getByteSize($ini_size) {
1627
1628     if(!$ini_size) {
1629         return FALSE;
1630     }
1631
1632     $ini_size = trim($ini_size);
1633
1634     // if there's some kind of letter at the end of the string we need to multiply.
1635     if(!is_numeric(substr($ini_size, -1))) {
1636
1637         switch(strtoupper(substr($ini_size, -1))) {
1638             case 'G':
1639                 $bytesize = 1073741824;
1640                 break;
1641             case 'M':
1642                 $bytesize = 1048576;
1643                 break;
1644             case 'K':
1645                 $bytesize = 1024;
1646                 break;
1647              default:
1648                 return FALSE;
1649         }
1650
1651         return ($bytesize * (int)substr($ini_size, 0, -1));
1652     }
1653
1654     return $ini_size;
1655 }
1656
1657
1658 /**
1659  * temporary function to make use of the deliver class.
1660  * In the future the responsible backend should be automaticly loaded
1661  * and conf.pl should show a list of available backends.
1662  * The message also should be constructed by the message class.
1663  *
1664  * @param object $composeMessage The message being sent.  Please note
1665  *                               that it is passed by reference and
1666  *                               will be returned modified, with additional
1667  *                               headers, such as Message-ID, Date, In-Reply-To,
1668  *                               References, and so forth.
1669  *
1670  * @return boolean FALSE if delivery failed, or some non-FALSE value
1671  *                 upon success.
1672  *
1673  */
1674 function deliverMessage(&$composeMessage, $draft=false) {
1675     global $send_to, $send_to_cc, $send_to_bcc, $mailprio, $subject, $body,
1676         $username, $identity, $idents, $data_dir,
1677         $request_mdn, $request_dr, $default_charset, $useSendmail,
1678         $domain, $action, $default_move_to_sent, $move_to_sent,
1679         $imapServerAddress, $imapPort, $sent_folder, $key;
1680
1681     $rfc822_header = $composeMessage->rfc822_header;
1682
1683     $abook = addressbook_init(false, true);
1684     $rfc822_header->to = $rfc822_header->parseAddress($send_to,true, array(), '', $domain, array(&$abook,'lookup'));
1685     $rfc822_header->cc = $rfc822_header->parseAddress($send_to_cc,true,array(), '',$domain, array(&$abook,'lookup'));
1686     $rfc822_header->bcc = $rfc822_header->parseAddress($send_to_bcc,true, array(), '',$domain, array(&$abook,'lookup'));
1687     $rfc822_header->priority = $mailprio;
1688     $rfc822_header->subject = $subject;
1689
1690     $special_encoding='';
1691     if (strtolower($default_charset) == 'iso-2022-jp') {
1692         if (mb_detect_encoding($body) == 'ASCII') {
1693             $special_encoding = '8bit';
1694         } else {
1695             $body = mb_convert_encoding($body, 'JIS');
1696             $special_encoding = '7bit';
1697         }
1698     }
1699     $composeMessage->setBody($body);
1700
1701     $reply_to = '';
1702     $reply_to  = $idents[$identity]['reply_to'];
1703     if ($reply_to && strpos($reply_to, '@') === FALSE)
1704         $reply_to .= '@' . $domain;
1705
1706     $from_addr = build_from_header($identity);
1707     $rfc822_header->from = $rfc822_header->parseAddress($from_addr,true);
1708     if ($reply_to) {
1709         $rfc822_header->reply_to = $rfc822_header->parseAddress($reply_to,true);
1710     }
1711     /* Receipt: On Read */
1712     if (isset($request_mdn) && $request_mdn) {
1713         $rfc822_header->dnt = $rfc822_header->parseAddress($from_addr,true);
1714     } elseif (isset($rfc822_header->dnt)) {
1715         unset($rfc822_header->dnt);
1716     }
1717
1718     /* Receipt: On Delivery */
1719     if (!empty($request_dr)) {
1720 //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?
1721         $rfc822_header->more_headers['Return-Receipt-To'] = $from_addr;
1722     } elseif (isset($rfc822_header->more_headers['Return-Receipt-To'])) {
1723         unset($rfc822_header->more_headers['Return-Receipt-To']);
1724     }
1725
1726     /* multipart messages */
1727     if (count($composeMessage->entities)) {
1728         $message_body = new Message();
1729         $message_body->body_part = $composeMessage->body_part;
1730         $composeMessage->body_part = '';
1731         $mime_header = new MessageHeader;
1732         $mime_header->type0 = 'text';
1733         $mime_header->type1 = 'plain';
1734         if ($special_encoding) {
1735             $mime_header->encoding = $special_encoding;
1736         } else {
1737             $mime_header->encoding = '8bit';
1738         }
1739         if ($default_charset) {
1740             $mime_header->parameters['charset'] = $default_charset;
1741         }
1742         $message_body->mime_header = $mime_header;
1743         array_unshift($composeMessage->entities, $message_body);
1744         $content_type = new ContentType('multipart/mixed');
1745     } else {
1746         $content_type = new ContentType('text/plain');
1747         if ($special_encoding) {
1748             $rfc822_header->encoding = $special_encoding;
1749         } else {
1750             $rfc822_header->encoding = '8bit';
1751         }
1752         if ($default_charset) {
1753             $content_type->properties['charset']=$default_charset;
1754         }
1755     }
1756
1757     $rfc822_header->content_type = $content_type;
1758     $composeMessage->rfc822_header = $rfc822_header;
1759     if ($action == 'reply' || $action == 'reply_all') {
1760         global $passed_id, $passed_ent_id;
1761         $reply_id = $passed_id;
1762         $reply_ent_id = $passed_ent_id;
1763     } else {
1764         $reply_id = '';
1765         $reply_ent_id = '';
1766     }
1767
1768     /* Here you can modify the message structure just before we hand
1769        it over to deliver; plugin authors note that $composeMessage
1770        is sent and modified by reference since 1.5.2 */
1771     do_hook('compose_send', $composeMessage);
1772
1773     if (!$useSendmail && !$draft) {
1774         require_once(SM_PATH . 'class/deliver/Deliver_SMTP.class.php');
1775         $deliver = new Deliver_SMTP();
1776         global $smtpServerAddress, $smtpPort, $pop_before_smtp, $pop_before_smtp_host;
1777
1778         $authPop = (isset($pop_before_smtp) && $pop_before_smtp) ? true : false;
1779         if (empty($pop_before_smtp_host)) $pop_before_smtp_host = $smtpServerAddress;
1780         get_smtp_user($user, $pass);
1781         $stream = $deliver->initStream($composeMessage,$domain,0,
1782                 $smtpServerAddress, $smtpPort, $user, $pass, $authPop, $pop_before_smtp_host);
1783     } elseif (!$draft) {
1784         require_once(SM_PATH . 'class/deliver/Deliver_SendMail.class.php');
1785         global $sendmail_path, $sendmail_args;
1786         // Check for outdated configuration
1787         if (!isset($sendmail_args)) {
1788             if ($sendmail_path=='/var/qmail/bin/qmail-inject') {
1789                 $sendmail_args = '';
1790             } else {
1791                 $sendmail_args = '-i -t';
1792             }
1793         }
1794         $deliver = new Deliver_SendMail(array('sendmail_args'=>$sendmail_args));
1795         $stream = $deliver->initStream($composeMessage,$sendmail_path);
1796     } elseif ($draft) {
1797         global $draft_folder;
1798         $imap_stream = sqimap_login($username, false, $imapServerAddress,
1799                 $imapPort, 0);
1800         if (sqimap_mailbox_exists ($imap_stream, $draft_folder)) {
1801             require_once(SM_PATH . 'class/deliver/Deliver_IMAP.class.php');
1802             $imap_deliver = new Deliver_IMAP();
1803             $success = $imap_deliver->mail($composeMessage, $imap_stream, $reply_id, $reply_ent_id, $imap_stream, $draft_folder);
1804             sqimap_logout($imap_stream);
1805             unset ($imap_deliver);
1806             $composeMessage->purgeAttachments();
1807             return $success;
1808         } else {
1809             $msg  = '<br />'.sprintf(_("Error: Draft folder %s does not exist."), sm_encode_html_special_chars($draft_folder));
1810             plain_error_message($msg);
1811             return false;
1812         }
1813     }
1814     $success = false;
1815     if ($stream) {
1816         $deliver->mail($composeMessage, $stream, $reply_id, $reply_ent_id);
1817         $success = $deliver->finalizeStream($stream);
1818     }
1819     if (!$success) {
1820         // $deliver->dlv_server_msg is not always server's reply
1821         $msg = _("Message not sent.")
1822              . "<br />\n"
1823              . (isset($deliver->dlv_msg) ? $deliver->dlv_msg : '');
1824         if (!empty($deliver->dlv_server_msg)) {
1825             // add 'server replied' part only when it is not empty.
1826             // Delivery error can be generated by delivery class itself
1827             $msg .= '<br />'
1828                   . _("Server replied:") . ' '
1829                   . (isset($deliver->dlv_ret_nr) ? $deliver->dlv_ret_nr . ' ' : '')
1830                   . nl2br(sm_encode_html_special_chars($deliver->dlv_server_msg));
1831         }
1832         plain_error_message($msg);
1833     } else {
1834         unset ($deliver);
1835         $imap_stream = sqimap_login($username, false, $imapServerAddress, $imapPort, 0);
1836
1837
1838         // mark as replied or forwarded if applicable
1839         //
1840         global $what, $iAccount, $startMessage, $passed_id, $fwduid, $mailbox;
1841
1842         if ($action=='reply' || $action=='reply_all' || $action=='forward' || $action=='forward_as_attachment') {
1843             require(SM_PATH . 'functions/mailbox_display.php');
1844             $aMailbox = sqm_api_mailbox_select($imap_stream, $iAccount, $mailbox,array('setindex' => $what, 'offset' => $startMessage),array());
1845             switch($action) {
1846             case 'reply':
1847             case 'reply_all':
1848                 // check if we are allowed to set the \\Answered flag
1849                 if (in_array('\\answered',$aMailbox['PERMANENTFLAGS'], true)) {
1850                     $aUpdatedMsgs = sqimap_toggle_flag($imap_stream, array($passed_id), '\\Answered', true, false);
1851                     if (isset($aUpdatedMsgs[$passed_id]['FLAGS'])) {
1852                         /**
1853                         * Only update the cached headers if the header is
1854                         * cached.
1855                         */
1856                         if (isset($aMailbox['MSG_HEADERS'][$passed_id])) {
1857                             $aMailbox['MSG_HEADERS'][$passed_id]['FLAGS'] = $aMsg['FLAGS'];
1858                         }
1859                     }
1860                 }
1861                 break;
1862             case 'forward':
1863             case 'forward_as_attachment':
1864                 // check if we are allowed to set the $Forwarded flag (RFC 4550 paragraph 2.8)
1865                 if (in_array('$forwarded',$aMailbox['PERMANENTFLAGS'], true) ||
1866                     in_array('\\*',$aMailbox['PERMANENTFLAGS'])) {
1867
1868                     // when forwarding as an attachment from the message
1869                     // list, passed_id is not used, need to get UID(s)
1870                     // from the query string
1871                     //
1872                     if (empty($passed_id) && !empty($fwduid))
1873                         $ids = explode('_', $fwduid);
1874                     else
1875                         $ids = array($passed_id);
1876
1877                     $aUpdatedMsgs = sqimap_toggle_flag($imap_stream, $ids, '$Forwarded', true, false);
1878
1879                     foreach ($ids as $id) {
1880                         if (isset($aUpdatedMsgs[$id]['FLAGS'])) {
1881                             if (isset($aMailbox['MSG_HEADERS'][$id])) {
1882                                 $aMailbox['MSG_HEADERS'][$id]['FLAGS'] = $aMsg['FLAGS'];
1883                             }
1884                         }
1885                     }
1886                 }
1887                 break;
1888             }
1889
1890             /**
1891              * Write mailbox with updated seen flag information back to cache.
1892              */
1893             if(isset($aUpdatedMsgs[$passed_id])) {
1894                 $mailbox_cache[$iAccount.'_'.$aMailbox['NAME']] = $aMailbox;
1895                 sqsession_register($mailbox_cache,'mailbox_cache');
1896             }
1897
1898         }
1899
1900
1901         // move to sent folder
1902         //
1903         $move_to_sent = getPref($data_dir,$username,'move_to_sent');
1904         if (isset($default_move_to_sent) && ($default_move_to_sent != 0)) {
1905             $svr_allow_sent = true;
1906         } else {
1907             $svr_allow_sent = false;
1908         }
1909
1910         if (isset($sent_folder) && (($sent_folder != '') || ($sent_folder != 'none'))
1911                 && sqimap_mailbox_exists( $imap_stream, $sent_folder)) {
1912             $fld_sent = true;
1913         } else {
1914             $fld_sent = false;
1915         }
1916
1917         if ((isset($move_to_sent) && ($move_to_sent != 0)) || (!isset($move_to_sent))) {
1918             $lcl_allow_sent = true;
1919         } else {
1920             $lcl_allow_sent = false;
1921         }
1922
1923         if (($fld_sent && $svr_allow_sent && !$lcl_allow_sent) || ($fld_sent && $lcl_allow_sent)) {
1924             if ($action == 'reply' || $action == 'reply_all') {
1925                 $save_reply_with_orig=getPref($data_dir,$username,'save_reply_with_orig');
1926                 if ($save_reply_with_orig) {
1927                     $sent_folder = $mailbox;
1928                 }
1929             }
1930             require_once(SM_PATH . 'class/deliver/Deliver_IMAP.class.php');
1931             $imap_deliver = new Deliver_IMAP();
1932             $imap_deliver->mail($composeMessage, $imap_stream, $reply_id, $reply_ent_id, $imap_stream, $sent_folder);
1933             unset ($imap_deliver);
1934         }
1935
1936
1937         // final cleanup
1938         //
1939         $composeMessage->purgeAttachments();
1940         sqimap_logout($imap_stream);
1941
1942     }
1943     return $success;
1944 }