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 &copy; 1999-2006 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 /**
  20  * Include the SquirrelMail initialization file.
  21  */
  22 require('../include/init.php');
  23
  24 /* SquirrelMail required files. */
  25 require_once(SM_PATH . 'functions/imap_general.php');
  26 require_once(SM_PATH . 'functions/imap_messages.php');
  27 require_once(SM_PATH . 'functions/date.php');
  28 require_once(SM_PATH . 'functions/mime.php');
  29 require_once(SM_PATH . 'class/deliver/Deliver.class.php');
  30 require_once(SM_PATH . 'functions/addressbook.php');
  31 require_once(SM_PATH . 'functions/forms.php');
  32 require_once(SM_PATH . 'functions/identity.php');
  33
  34 /* --------------------- Get globals ------------------------------------- */
  35
  36 /** SESSION VARS */
  37 sqgetGlobalVar('delimiter', $delimiter,     SQ_SESSION);
  38
  39 sqgetGlobalVar('composesession',    $composesession,    SQ_SESSION);
  40 sqgetGlobalVar('compose_messages',  $compose_messages,  SQ_SESSION);
  41 sqgetGlobalVar('delayed_errors',  $delayed_errors,  SQ_SESSION);
  42
  43 // Turn on delayed error handling in case we wind up redirecting below
  44 $oErrorHandler->setDelayedErrors(true);
  45
  46 /** SESSION/POST/GET VARS */
  47 sqgetGlobalVar('session',$session);
  48 sqgetGlobalVar('mailbox',$mailbox);
  49 if(!sqgetGlobalVar('identity',$identity)) {
  50     $identity=0;
  51 }
  52 sqgetGlobalVar('send_to',$send_to);
  53 sqgetGlobalVar('send_to_cc',$send_to_cc);
  54 sqgetGlobalVar('send_to_bcc',$send_to_bcc);
  55 sqgetGlobalVar('subject',$subject);
  56 sqgetGlobalVar('body',$body);
  57 sqgetGlobalVar('mailprio',$mailprio);
  58 sqgetGlobalVar('request_mdn',$request_mdn);
  59 sqgetGlobalVar('request_dr',$request_dr);
  60 sqgetGlobalVar('html_addr_search',$html_addr_search);
  61 sqgetGlobalVar('mail_sent',$mail_sent);
  62 sqgetGlobalVar('passed_id',$passed_id);
  63 sqgetGlobalVar('passed_ent_id',$passed_ent_id);
  64 sqgetGlobalVar('send',$send);
  65
  66 sqgetGlobalVar('attach',$attach);
  67
  68 sqgetGlobalVar('draft',$draft);
  69 sqgetGlobalVar('draft_id',$draft_id);
  70 sqgetGlobalVar('ent_num',$ent_num);
  71 sqgetGlobalVar('saved_draft',$saved_draft);
  72 sqgetGlobalVar('delete_draft',$delete_draft);
  73 if ( sqgetGlobalVar('startMessage',$startMessage) ) {
  74     $startMessage = (int)$startMessage;
  75 } else {
  76     $startMessage = 1;
  77 }
  78
  79
  80 /** POST VARS */
  81 sqgetGlobalVar('sigappend',             $sigappend,                 SQ_POST);
  82 sqgetGlobalVar('from_htmladdr_search',  $from_htmladdr_search,      SQ_POST);
  83 sqgetGlobalVar('addr_search_done',      $html_addr_search_done,     SQ_POST);
  84 sqgetGlobalVar('addr_search_cancel',    $html_addr_search_cancel,   SQ_POST);
  85 sqgetGlobalVar('send_to_search',        $send_to_search,            SQ_POST);
  86 sqgetGlobalVar('do_delete',             $do_delete,                 SQ_POST);
  87 sqgetGlobalVar('delete',                $delete,                    SQ_POST);
  88 sqgetGlobalVar('restoremessages',       $restoremessages,           SQ_POST);
  89 if ( sqgetGlobalVar('return', $temp, SQ_POST) ) {
  90     $html_addr_search_done = 'Use Addresses';
  91 }
  92
  93 /** GET VARS */
  94 sqgetGlobalVar('attachedmessages', $attachedmessages, SQ_GET);
  95 if ( sqgetGlobalVar('account', $temp,  SQ_GET) ) {
  96     $iAccount = (int) $temp;
  97 } else {
  98     $iAccount = 0;
  99 }
 100
 101
 102 /** get smaction */
 103 if ( !sqgetGlobalVar('smaction',$action) )
 104 {
 105     if ( sqgetGlobalVar('smaction_reply',$tmp) )      $action = 'reply';
 106     if ( sqgetGlobalVar('smaction_reply_all',$tmp) )  $action = 'reply_all';
 107     if ( sqgetGlobalVar('smaction_forward',$tmp) )    $action = 'forward';
 108     if ( sqgetGlobalVar('smaction_attache',$tmp) )    $action = 'forward_as_attachment';
 109     if ( sqgetGlobalVar('smaction_draft',$tmp) )      $action = 'draft';
 110     if ( sqgetGlobalVar('smaction_edit_new',$tmp) )   $action = 'edit_as_new';
 111 }
 112
 113 /* Location (For HTTP 1.1 Header("Location: ...") redirects) */
 114 $location = get_location();
 115 /* Identities (fetch only once) */
 116 $idents = get_identities();
 117
 118 /* --------------------- Specific Functions ------------------------------ */
 119
 120 function replyAllString($header) {
 121     global $include_self_reply_all, $idents;
 122     $excl_ar = array();
 123     /**
 124      * 1) Remove the addresses we'll be sending the message 'to'
 125      */
 126     if (isset($header->replyto)) {
 127         $excl_ar = $header->getAddr_a('replyto');
 128     }
 129     /**
 130      * 2) Remove our identities from the CC list (they still can be in the
 131      * TO list) only if $include_self_reply_all is turned off
 132      */
 133     if (!$include_self_reply_all) {
 134         foreach($idents as $id) {
 135             $excl_ar[strtolower(trim($id['email_address']))] = '';
 136         }
 137     }
 138
 139     /**
 140      * 3) get the addresses.
 141      */
 142     $url_replytoall_ar = $header->getAddr_a(array('to','cc'), $excl_ar);
 143
 144     /**
 145      * 4) generate the string.
 146      */
 147     $url_replytoallcc = '';
 148     foreach( $url_replytoall_ar as $email => $personal) {
 149         if ($personal) {
 150             // if personal name contains address separator then surround
 151             // the personal name with double quotes.
 152             if (strpos($personal,',') !== false) {
 153                 $personal = '"'.$personal.'"';
 154             }
 155             $url_replytoallcc .= ", $personal <$email>";
 156         } else {
 157             $url_replytoallcc .= ', '. $email;
 158         }
 159     }
 160     $url_replytoallcc = substr($url_replytoallcc,2);
 161
 162     return $url_replytoallcc;
 163 }
 164
 165 /**
 166  * creates top line in reply citations
 167  *
 168  * Line style depends on user preferences.
 169  * $orig_date argument is available only from 1.4.3 and 1.5.1 version.
 170  * @param object $orig_from From: header object.
 171  * @param integer $orig_date email's timestamp
 172  * @return string reply citation
 173  */
 174 function getReplyCitation($orig_from, $orig_date) {
 175     global $reply_citation_style, $reply_citation_start, $reply_citation_end;
 176
 177     if (!is_object($orig_from)) {
 178         $sOrig_from = '';
 179     } else {
 180         $sOrig_from = decodeHeader($orig_from->getAddress(false),false,false,true);
 181     }
 182
 183     /* First, return an empty string when no citation style selected. */
 184     if (($reply_citation_style == '') || ($reply_citation_style == 'none')) {
 185         return '';
 186     }
 187
 188     /* Make sure our final value isn't an empty string. */
 189     if ($sOrig_from == '') {
 190         return '';
 191     }
 192
 193     /* Otherwise, try to select the desired citation style. */
 194     switch ($reply_citation_style) {
 195     case 'author_said':
 196         /**
 197          * To translators: %s is for author's name
 198          */
 199         $full_reply_citation = sprintf(_("%s wrote:"),$sOrig_from);
 200         break;
 201     case 'quote_who':
 202         $start = '<quote who="';
 203         $end   = '">';
 204         $full_reply_citation = $start . $sOrig_from . $end;
 205         break;
 206     case 'date_time_author':
 207         /**
 208          * To translators:
 209          *  first %s is for date string, second %s is for author's name. Date uses
 210          *  formating from "D, F j, Y g:i a" and "D, F j, Y H:i" translations.
 211          * Example string:
 212          *  "On Sat, December 24, 2004 23:59, Santa wrote:"
 213          * If you have to put author's name in front of date string, check comments about
 214          * argument swapping at http://www.php.net/sprintf
 215          */
 216         $full_reply_citation = sprintf(_("On %s, %s wrote:"), getLongDateString($orig_date), $sOrig_from);
 217         break;
 218     case 'user-defined':
 219         $start = $reply_citation_start .
 220             ($reply_citation_start == '' ? '' : ' ');
 221         $end   = $reply_citation_end;
 222         $full_reply_citation = $start . $sOrig_from . $end;
 223         break;
 224     default:
 225         return '';
 226     }
 227
 228     /* Add line feed and return the citation string. */
 229     return ($full_reply_citation . "\n");
 230 }
 231
 232 /**
 233  * Creates header fields in forwarded email body
 234  *
 235  * $default_charset global must be set correctly before you call this function.
 236  * @param object $orig_header
 237  * @return $string
 238  */
 239 function getforwardHeader($orig_header) {
 240     global $editor_size, $default_charset;
 241
 242     // using own strlen function in order to detect correct string length
 243     $display = array( _("Subject") => sq_strlen(_("Subject"),$default_charset),
 244             _("From")    => sq_strlen(_("From"),$default_charset),
 245             _("Date")    => sq_strlen(_("Date"),$default_charset),
 246             _("To")      => sq_strlen(_("To"),$default_charset),
 247             _("Cc")      => sq_strlen(_("Cc"),$default_charset) );
 248     $maxsize = max($display);
 249     $indent = str_pad('',$maxsize+2);
 250     foreach($display as $key => $val) {
 251         $display[$key] = $key .': '. str_pad('', $maxsize - $val);
 252     }
 253     $from = decodeHeader($orig_header->getAddr_s('from',"\n$indent"),false,false,true);
 254     $from = str_replace('&nbsp;',' ',$from);
 255     $to = decodeHeader($orig_header->getAddr_s('to',"\n$indent"),false,false,true);
 256     $to = str_replace('&nbsp;',' ',$to);
 257     $subject = decodeHeader($orig_header->subject,false,false,true);
 258     $subject = str_replace('&nbsp;',' ',$subject);
 259
 260     // using own str_pad function in order to create correct string pad
 261     $bodyTop =  sq_str_pad(' '._("Original Message").' ',$editor_size -2,'-',STR_PAD_BOTH,$default_charset) .
 262         "\n". $display[_("Subject")] . $subject . "\n" .
 263         $display[_("From")] . $from . "\n" .
 264         $display[_("Date")] . getLongDateString( $orig_header->date ). "\n" .
 265         $display[_("To")] . $to . "\n";
 266     if ($orig_header->cc != array() && $orig_header->cc !='') {
 267         $cc = decodeHeader($orig_header->getAddr_s('cc',"\n$indent"),false,false,true);
 268         $cc = str_replace('&nbsp;',' ',$cc);
 269         $bodyTop .= $display[_("Cc")] .$cc . "\n";
 270     }
 271     $bodyTop .= str_pad('', $editor_size -2 , '-') .
 272         "\n\n";
 273     return $bodyTop;
 274 }
 275 /* ----------------------------------------------------------------------- */
 276
 277 /*
 278  * If the session is expired during a post this restores the compose session
 279  * vars.
 280  */
 281 if (sqsession_is_registered('session_expired_post')) {
 282     sqgetGlobalVar('session_expired_post', $session_expired_post, SQ_SESSION);
 283     /*
 284      * extra check for username so we don't display previous post data from
 285      * another user during this session.
 286      */
 287     if ($session_expired_post['username'] != $username) {
 288         unset($session_expired_post);
 289         sqsession_unregister('session_expired_post');
 290         session_write_close();
 291     } else {
 292         // these are the vars that we can set from the expired composed session
 293         $compo_var_list = array ( 'send_to', 'send_to_cc','body','startMessage',
 294             'passed_body','use_signature','signature','attachments','subject','newmail',
 295             'send_to_bcc', 'passed_id', 'mailbox', 'from_htmladdr_search', 'identity',
 296             'draft_id', 'delete_draft', 'mailprio', 'edit_as_new', 'compose_messsages',
 297             'composesession', 'request_mdn', 'request_dr');
 298
 299         foreach ($compo_var_list as $var) {
 300             if ( isset($session_expired_post[$var]) && !isset($$var) ) {
 301                $$var = $session_expired_post[$var];
 302             }
 303         }
 304
 305         $compose_messages = unserialize(urldecode($restoremessages));
 306         sqsession_register($compose_messages,'compose_messages');
 307         sqsession_register($composesession,'composesession');
 308         if (isset($send)) {
 309             unset($send);
 310         }
 311         $session_expired = true;
 312     }
 313     unset($session_expired_post);
 314     sqsession_unregister('session_expired_post');
 315     session_write_close();
 316     if (!isset($mailbox)) {
 317         $mailbox = '';
 318     }
 319     if ($compose_new_win == '1') {
 320         compose_Header($color, $mailbox);
 321     } else {
 322         $sHeaderJs = (isset($sHeaderJs)) ? $sHeaderJs : '';
 323         if (strpos($action, 'reply') !== false && $reply_focus) {
 324             $sBodyTagJs = 'onload="checkForm(\''.$replyfocus.'\');"';
 325         } else {
 326             $sBodyTagJs = 'onload="checkForm();"';
 327         }
 328         displayPageHeader($color, $mailbox,$sHeaderJs,$sBodyTagJs);
 329     }
 330     showInputForm($session, false);
 331     exit();
 332 }
 333 if (!isset($composesession)) {
 334     $composesession = 0;
 335     sqsession_register(0,'composesession');
 336 }
 337
 338 if (!isset($session) || (isset($newmessage) && $newmessage)) {
 339     sqsession_unregister('composesession');
 340     $session = "$composesession" +1;
 341     $composesession = $session;
 342     sqsession_register($composesession,'composesession');
 343 }
 344 if (!isset($compose_messages)) {
 345     $compose_messages = array();
 346 }
 347
 348 if (!isset($compose_messages[$session]) || ($compose_messages[$session] == NULL)) {
 349     $composeMessage = new Message();
 350     $rfc822_header = new Rfc822Header();
 351     $composeMessage->rfc822_header = $rfc822_header;
 352     $composeMessage->reply_rfc822_header = '';
 353     $compose_messages[$session] = $composeMessage;
 354
 355     sqsession_register($compose_messages,'compose_messages');
 356 } else {
 357     $composeMessage=$compose_messages[$session];
 358 }
 359
 360 if (!isset($mailbox) || $mailbox == '' || ($mailbox == 'None')) {
 361     $mailbox = 'INBOX';
 362 }
 363
 364 if ($draft) {
 365     /*
 366      * Set $default_charset to correspond with the user's selection
 367      * of language interface.
 368      */
 369     set_my_charset();
 370     $composeMessage=$compose_messages[$session];
 371     if (! deliverMessage($composeMessage, true)) {
 372         showInputForm($session);
 373         exit();
 374     } else {
 375         unset($compose_messages[$session]);
 376         $draft_message = _("Draft Email Saved");
 377         /* If this is a resumed draft, then delete the original */
 378         if(isset($delete_draft)) {
 379             $imap_stream = sqimap_login($username, false, $imapServerAddress, $imapPort, false);
 380             sqimap_mailbox_select($imap_stream, $draft_folder);
 381             // force bypass_trash=true because message should be saved when deliverMessage() returns true.
 382             // in current implementation of sqimap_msgs_list_flag() single message id can
 383             // be submitted as string. docs state that it should be array.
 384             sqimap_msgs_list_delete($imap_stream, $draft_folder, $delete_draft, true);
 385             if ($auto_expunge) {
 386                 sqimap_mailbox_expunge($imap_stream, $draft_folder, true);
 387             }
 388             sqimap_logout($imap_stream);
 389         }
 390
 391         $oErrorHandler->saveDelayedErrors();
 392         session_write_close();
 393
 394         if ($compose_new_win == '1') {
 395             if ( !isset($pageheader_sent) || !$pageheader_sent ) {
 396                 Header("Location: $location/compose.php?saved_draft=yes&session=$composesession");
 397             } else {
 398                 echo '   <br><br><div style="text-align: center;"><a href="' . $location
 399                     . '/compose.php?saved_sent=yes&amp;session=' . $composesession . '">'
 400                     . _("Return") . '</a></div>';
 401             }
 402             exit();
 403         } else {
 404             if ( !isset($pageheader_sent) || !$pageheader_sent ) {
 405                 Header("Location: $location/right_main.php?mailbox=" . urlencode($draft_folder) .
 406                    "&startMessage=1&note=".urlencode($draft_message));
 407             } else {
 408                 echo '   <br><br><div style="text-align: center;"><a href="' . $location
 409                     . '/right_main.php?mailbox=' . urlencode($draft_folder)
 410                     . '&amp;startMessage=1&amp;note=' . urlencode($draft_message) .'">'
 411                     . _("Return") . '</a></div>';
 412             }
 413             exit();
 414         }
 415     }
 416 }
 417
 418 if ($send) {
 419     if (isset($_FILES['attachfile']) &&
 420             $_FILES['attachfile']['tmp_name'] &&
 421             $_FILES['attachfile']['tmp_name'] != 'none') {
 422         $AttachFailure = saveAttachedFiles($session);
 423     }
 424     if (checkInput(false) && !isset($AttachFailure)) {
 425         if ($mailbox == "All Folders") {
 426             /* We entered compose via the search results page */
 427             $mailbox = 'INBOX'; /* Send 'em to INBOX, that's safe enough */
 428         }
 429         $urlMailbox = urlencode (trim($mailbox));
 430         if (! isset($passed_id)) {
 431             $passed_id = 0;
 432         }
 433         /**
 434          * Set $default_charset to correspond with the user's selection
 435          * of language interface.
 436          */
 437         set_my_charset();
 438         /**
 439          * This is to change all newlines to \n
 440          * We'll change them to \r\n later (in the sendMessage function)
 441          */
 442         $body = str_replace("\r\n", "\n", $body);
 443         $body = str_replace("\r", "\n", $body);
 444
 445         /**
 446          * Rewrap $body so that no line is bigger than $editor_size
 447          */
 448         $body = explode("\n", $body);
 449         $newBody = '';
 450         foreach ($body as $line) {
 451             if( $line <> '-- ' ) {
 452                 $line = rtrim($line);
 453             }
 454             if (sq_strlen($line,$default_charset) <= $editor_size + 1) {
 455                 $newBody .= $line . "\n";
 456             } else {
 457                 sqWordWrap($line, $editor_size,$default_charset);
 458                 $newBody .= $line . "\n";
 459
 460             }
 461
 462         }
 463         $body = $newBody;
 464
 465         $composeMessage=$compose_messages[$session];
 466
 467         $Result = deliverMessage($composeMessage);
 468
 469         do_hook('compose_send_after', $Result, $composeMessage);
 470         if (! $Result) {
 471             showInputForm($session);
 472             exit();
 473         }
 474         unset($compose_messages[$session]);
 475
 476         /* if it is resumed draft, delete draft message */
 477         if ( isset($delete_draft)) {
 478             $imap_stream = sqimap_login($username, false, $imapServerAddress, $imapPort, false);
 479             sqimap_mailbox_select($imap_stream, $draft_folder);
 480             // bypass_trash=true because message should be saved when deliverMessage() returns true.
 481             // in current implementation of sqimap_msgs_list_flag() single message id can
 482             // be submitted as string. docs state that it should be array.
 483             sqimap_msgs_list_delete($imap_stream, $draft_folder, $delete_draft, true);
 484             if ($auto_expunge) {
 485                 sqimap_mailbox_expunge($imap_stream, $draft_folder, true);
 486             }
 487             sqimap_logout($imap_stream);
 488         }
 489         /*
 490          * Store the error array in the session because they will be lost on a redirect
 491          */
 492         $oErrorHandler->saveDelayedErrors();
 493         session_write_close();
 494
 495         if ($compose_new_win == '1') {
 496             if ( !isset($pageheader_sent) || !$pageheader_sent ) {
 497                 Header("Location: $location/compose.php?mail_sent=yes");
 498             } else {
 499                 echo '   <br><br><div style="text-align: center;"><a href="' . $location
 500                     . '/compose.php?mail_sent=yes">'
 501                     . _("Return") . '</a></div>';
 502             }
 503             exit();
 504         } else {
 505             if ( !isset($pageheader_sent) || !$pageheader_sent ) {
 506                 Header("Location: $location/right_main.php?mailbox=$urlMailbox".
 507                     "&startMessage=$startMessage&mail_sent=yes");
 508             } else {
 509                 echo '   <br><br><div style="text-align: center;"><a href="' . $location
 510                     . "/right_main.php?mailbox=$urlMailbox"
 511                     . "&amp;startMessage=$startMessage&amp;mail_sent=yes\">"
 512                     . _("Return") . '</a></div>';
 513             }
 514             exit();
 515         }
 516     } else {
 517         if ($compose_new_win == '1') {
 518             compose_Header($color, $mailbox);
 519         }
 520         else {
 521             displayPageHeader($color, $mailbox);
 522         }
 523         if (isset($AttachFailure)) {
 524             plain_error_message(_("Could not move/copy file. File not attached"),
 525                     $color);
 526         }
 527         checkInput(true);
 528         showInputForm($session);
 529         /* sqimap_logout($imapConnection); */
 530     }
 531 } elseif (isset($html_addr_search_done)) {
 532     if ($compose_new_win == '1') {
 533         compose_Header($color, $mailbox);
 534     }
 535     else {
 536         displayPageHeader($color, $mailbox);
 537     }
 538
 539     if (isset($send_to_search) && is_array($send_to_search)) {
 540         foreach ($send_to_search as $k => $v) {
 541             if (substr($k, 0, 1) == 'T') {
 542                 if ($send_to) {
 543                     $send_to .= ', ';
 544                 }
 545                 $send_to .= $v;
 546             }
 547             elseif (substr($k, 0, 1) == 'C') {
 548                 if ($send_to_cc) {
 549                     $send_to_cc .= ', ';
 550                 }
 551                 $send_to_cc .= $v;
 552             }
 553             elseif (substr($k, 0, 1) == 'B') {
 554                 if ($send_to_bcc) {
 555                     $send_to_bcc .= ', ';
 556                 }
 557                 $send_to_bcc .= $v;
 558             }
 559         }
 560     }
 561     showInputForm($session);
 562 } elseif (isset($html_addr_search) && !isset($html_addr_search_cancel)) {
 563     if (isset($_FILES['attachfile']) &&
 564             $_FILES['attachfile']['tmp_name'] &&
 565             $_FILES['attachfile']['tmp_name'] != 'none') {
 566         if(saveAttachedFiles($session)) {
 567             plain_error_message(_("Could not move/copy file. File not attached"));
 568         }
 569     }
 570     /*
 571      * I am using an include so as to elminiate an extra unnecessary
 572      * click.  If you can think of a better way, please implement it.
 573      */
 574     include_once('./addrbook_search_html.php');
 575 } elseif (isset($attach)) {
 576     if ($compose_new_win == '1') {
 577         compose_Header($color, $mailbox);
 578     } else {
 579         displayPageHeader($color, $mailbox);
 580     }
 581     if (saveAttachedFiles($session)) {
 582         plain_error_message(_("Could not move/copy file. File not attached"));
 583     }
 584     showInputForm($session);
 585 }
 586 elseif (isset($sigappend)) {
 587     $signature = $idents[$identity]['signature'];
 588
 589     $body .= "\n\n".($prefix_sig==true? "-- \n":'').$signature;
 590     if ($compose_new_win == '1') {
 591         compose_Header($color, $mailbox);
 592     } else {
 593         displayPageHeader($color, $mailbox);
 594     }
 595     showInputForm($session);
 596 } elseif (isset($do_delete)) {
 597     if ($compose_new_win == '1') {
 598         compose_Header($color, $mailbox);
 599     } else {
 600         displayPageHeader($color, $mailbox);
 601     }
 602
 603     if (isset($delete) && is_array($delete)) {
 604         $composeMessage = $compose_messages[$session];
 605         foreach($delete as $index) {
 606             if (!empty($composeMessage->entities) && isset($composeMessage->entities[$index])) {
 607                 $composeMessage->entities[$index]->purgeAttachments();
 608                 unset ($composeMessage->entities[$index]);
 609             }
 610         }
 611         $new_entities = array();
 612         foreach ($composeMessage->entities as $entity) {
 613             $new_entities[] = $entity;
 614         }
 615         $composeMessage->entities = $new_entities;
 616         $compose_messages[$session] = $composeMessage;
 617         sqsession_register($compose_messages, 'compose_messages');
 618     }
 619     showInputForm($session);
 620 } else {
 621     /*
 622      * This handles the default case as well as the error case
 623      * (they had the same code) --> if (isset($smtpErrors))
 624      */
 625
 626     if ($compose_new_win == '1') {
 627         compose_Header($color, $mailbox);
 628     } else {
 629         displayPageHeader($color, $mailbox);
 630     }
 631
 632     $newmail = true;
 633
 634     if (!isset($passed_ent_id)) {
 635         $passed_ent_id = '';
 636     }
 637     if (!isset($passed_id)) {
 638         $passed_id = '';
 639     }
 640     if (!isset($mailbox)) {
 641         $mailbox = '';
 642     }
 643     if (!isset($action)) {
 644         $action = '';
 645     }
 646
 647     $values = newMail($mailbox,$passed_id,$passed_ent_id, $action, $session);
 648
 649     /* in case the origin is not read_body.php */
 650     if (isset($send_to)) {
 651         $values['send_to'] = $send_to;
 652     }
 653     if (isset($send_to_cc)) {
 654         $values['send_to_cc'] = $send_to_cc;
 655     }
 656     if (isset($send_to_bcc)) {
 657         $values['send_to_bcc'] = $send_to_bcc;
 658     }
 659     if (isset($subject)) {
 660         $values['subject'] = $subject;
 661     }
 662     showInputForm($session, $values);
 663 }
 664
 665 exit();
 666
 667 /**************** Only function definitions go below *************/
 668
 669 function getforwardSubject($subject)
 670 {
 671     if ((substr(strtolower($subject), 0, 4) != 'fwd:') &&
 672             (substr(strtolower($subject), 0, 5) != '[fwd:') &&
 673             (substr(strtolower($subject), 0, 6) != '[ fwd:')) {
 674         $subject = '[Fwd: ' . $subject . ']';
 675     }
 676     return $subject;
 677 }
 678
 679 /* This function is used when not sending or adding attachments */
 680 function newMail ($mailbox='', $passed_id='', $passed_ent_id='', $action='', $session='') {
 681     global $editor_size, $default_use_priority, $body, $idents,
 682         $use_signature, $data_dir, $username,
 683         $key, $imapServerAddress, $imapPort, $compose_messages,
 684         $composeMessage, $body_quotem, $request_mdn, $request_dr,
 685         $default_use_mdn, $mdn_user_support;
 686     global $languages, $squirrelmail_language, $default_charset;
 687
 688     /*
 689      * Set $default_charset to correspond with the user's selection
 690      * of language interface. $default_charset global is not correct,
 691      * if message is composed in new window.
 692      */
 693     set_my_charset();
 694
 695     $send_to = $send_to_cc = $send_to_bcc = $subject = $identity = '';
 696     $mailprio = 3;
 697
 698     if ($passed_id) {
 699         $imapConnection = sqimap_login($username, false, $imapServerAddress,
 700                 $imapPort, 0);
 701
 702         sqimap_mailbox_select($imapConnection, $mailbox);
 703         $message = sqimap_get_message($imapConnection, $passed_id, $mailbox);
 704
 705         $body = '';
 706         if ($passed_ent_id) {
 707             /* redefine the messsage in case of message/rfc822 */
 708             $message = $message->getEntity($passed_ent_id);
 709             /* message is an entity which contains the envelope and type0=message
 710              * and type1=rfc822. The actual entities are childs from
 711              * $message->entities[0]. That's where the encoding and is located
 712              */
 713
 714             $entities = $message->entities[0]->findDisplayEntity
 715                 (array(), $alt_order = array('text/plain'));
 716             if (!count($entities)) {
 717                 $entities = $message->entities[0]->findDisplayEntity
 718                     (array(), $alt_order = array('text/plain','html/plain'));
 719             }
 720             $orig_header = $message->rfc822_header; /* here is the envelope located */
 721             /* redefine the message for picking up the attachments */
 722             $message = $message->entities[0];
 723
 724         } else {
 725             $entities = $message->findDisplayEntity (array(), $alt_order = array('text/plain'));
 726             if (!count($entities)) {
 727                 $entities = $message->findDisplayEntity (array(), $alt_order = array('text/plain','html/plain'));
 728             }
 729             $orig_header = $message->rfc822_header;
 730         }
 731
 732         $type0 = $message->type0;
 733         $type1 = $message->type1;
 734         foreach ($entities as $ent) {
 735             $msg = $message->getEntity($ent);
 736             $type0 = $msg->type0;
 737             $type1 = $msg->type1;
 738             $unencoded_bodypart = mime_fetch_body($imapConnection, $passed_id, $ent);
 739             $body_part_entity = $message->getEntity($ent);
 740             $bodypart = decodeBody($unencoded_bodypart,
 741                     $body_part_entity->header->encoding);
 742             if ($type1 == 'html') {
 743                 $bodypart = str_replace("\n", ' ', $bodypart);
 744                 $bodypart = preg_replace(array('/<\/?p>/i','/<div><\/div>/i','/<br\s*(\/)*>/i','/<\/?div>/i'), "\n", $bodypart);
 745                 $bodypart = str_replace(array('&nbsp;','&gt;','&lt;'),array(' ','>','<'),$bodypart);
 746                 $bodypart = strip_tags($bodypart);
 747             }
 748             if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
 749                     function_exists($languages[$squirrelmail_language]['XTRA_CODE'] . '_decode')) {
 750                 if (mb_detect_encoding($bodypart) != 'ASCII') {
 751                     $bodypart = call_user_func($languages[$squirrelmail_language]['XTRA_CODE'] . '_decode', $bodypart);
 752                 }
 753             }
 754
 755             // charset encoding in compose form stuff
 756             if (isset($body_part_entity->header->parameters['charset'])) {
 757                 $actual = $body_part_entity->header->parameters['charset'];
 758             } else {
 759                 $actual = 'us-ascii';
 760             }
 761
 762             if ( $actual && is_conversion_safe($actual) && $actual != $default_charset){
 763                 $bodypart = charset_convert($actual,$bodypart,$default_charset,false);
 764             }
 765             // end of charset encoding in compose
 766
 767             $body .= $bodypart;
 768         }
 769         if ($default_use_priority) {
 770             $mailprio = substr($orig_header->priority,0,1);
 771             if (!$mailprio) {
 772                 $mailprio = 3;
 773             }
 774         } else {
 775             $mailprio = '';
 776         }
 777
 778         $identity = '';
 779         $from_o = $orig_header->from;
 780         if (is_array($from_o)) {
 781             if (isset($from_o[0])) {
 782                 $from_o = $from_o[0];
 783             }
 784         }
 785         if (is_object($from_o)) {
 786             $orig_from = $from_o->getAddress();
 787         } else {
 788             $orig_from = '';
 789         }
 790
 791         $identities = array();
 792         if (count($idents) > 1) {
 793             foreach($idents as $nr=>$data) {
 794                 $enc_from_name = '"'.$data['full_name'].'" <'. $data['email_address'].'>';
 795                 if($enc_from_name == $orig_from) {
 796                     $identity = $nr;
 797                     break;
 798                 }
 799                 $identities[] = $enc_from_name;
 800             }
 801
 802             $identity_match = $orig_header->findAddress($identities);
 803             if ($identity_match) {
 804                 $identity = $identity_match;
 805             }
 806         }
 807
 808         switch ($action) {
 809             case ('draft'):
 810                 $use_signature = FALSE;
 811                 $composeMessage->rfc822_header = $orig_header;
 812                 $send_to = decodeHeader($orig_header->getAddr_s('to'),false,false,true);
 813                 $send_to_cc = decodeHeader($orig_header->getAddr_s('cc'),false,false,true);
 814                 $send_to_bcc = decodeHeader($orig_header->getAddr_s('bcc'),false,false,true);
 815                 $send_from = $orig_header->getAddr_s('from');
 816                 $send_from_parts = new AddressStructure();
 817                 $send_from_parts = $orig_header->parseAddress($send_from);
 818                 $send_from_add = $send_from_parts->mailbox . '@' . $send_from_parts->host;
 819                 $identities = get_identities();
 820                 if (count($identities) > 0) {
 821                     foreach($identities as $iddata) {
 822                         if ($send_from_add == $iddata['email_address']) {
 823                             $identity = $iddata['index'];
 824                             break;
 825                         }
 826                     }
 827                 }
 828                 $subject = decodeHeader($orig_header->subject,false,false,true);
 829
 830                 // Remember the receipt settings
 831                 $request_mdn = $mdn_user_support && !empty($orig_header->dnt) ? '1' : '0';
 832                 $request_dr = $mdn_user_support && !empty($orig_header->drnt) ? '1' : '0';
 833
 834                 /* remember the references and in-reply-to headers in case of an reply */
 835                 $composeMessage->rfc822_header->more_headers['References'] = $orig_header->references;
 836                 $composeMessage->rfc822_header->more_headers['In-Reply-To'] = $orig_header->in_reply_to;
 837                 // rewrap the body to clean up quotations and line lengths
 838                 sqBodyWrap($body, $editor_size);
 839                 $composeMessage = getAttachments($message, $composeMessage, $passed_id, $entities, $imapConnection);
 840                 break;
 841             case ('edit_as_new'):
 842                 $send_to = decodeHeader($orig_header->getAddr_s('to'),false,false,true);
 843                 $send_to_cc = decodeHeader($orig_header->getAddr_s('cc'),false,false,true);
 844                 $send_to_bcc = decodeHeader($orig_header->getAddr_s('bcc'),false,false,true);
 845                 $subject = decodeHeader($orig_header->subject,false,false,true);
 846                 $mailprio = $orig_header->priority;
 847                 $orig_from = '';
 848                 $composeMessage = getAttachments($message, $composeMessage, $passed_id, $entities, $imapConnection);
 849                 // rewrap the body to clean up quotations and line lengths
 850                 sqBodyWrap($body, $editor_size);
 851                 break;
 852             case ('forward'):
 853                 $send_to = '';
 854                 $subject = getforwardSubject(decodeHeader($orig_header->subject,false,false,true));
 855                 $body = getforwardHeader($orig_header) . $body;
 856                 // the logic for calling sqUnWordWrap here would be to allow the browser to wrap the lines
 857                 // forwarded message text should be as undisturbed as possible, so commenting out this call
 858                 // sqUnWordWrap($body);
 859                 $composeMessage = getAttachments($message, $composeMessage, $passed_id, $entities, $imapConnection);
 860
 861                 //add a blank line after the forward headers
 862                 $body = "\n" . $body;
 863                 break;
 864             case ('forward_as_attachment'):
 865                 $subject = getforwardSubject(decodeHeader($orig_header->subject,false,false,true));
 866                 $composeMessage = getMessage_RFC822_Attachment($message, $composeMessage, $passed_id, $passed_ent_id, $imapConnection);
 867                 $body = '';
 868                 break;
 869             case ('reply_all'):
 870                 if(isset($orig_header->mail_followup_to) && $orig_header->mail_followup_to) {
 871                     $send_to = $orig_header->getAddr_s('mail_followup_to');
 872                 } else {
 873                     $send_to_cc = replyAllString($orig_header);
 874                     $send_to_cc = decodeHeader($send_to_cc,false,false,true);
 875                 }
 876             case ('reply'):
 877                 // skip this if send_to was already set right above here
 878                 if(!$send_to) {
 879                     $send_to = $orig_header->reply_to;
 880                     if (is_array($send_to) && count($send_to)) {
 881                         $send_to = $orig_header->getAddr_s('reply_to');
 882                     } else if (is_object($send_to)) { /* unneccesarry, just for failsafe purpose */
 883                         $send_to = $orig_header->getAddr_s('reply_to');
 884                     } else {
 885                         $send_to = $orig_header->getAddr_s('from');
 886                     }
 887                 }
 888                 $send_to = decodeHeader($send_to,false,false,true);
 889                 $subject = decodeHeader($orig_header->subject,false,false,true);
 890                 $subject = str_replace('"', "'", $subject);
 891                 $subject = trim($subject);
 892                 if (substr(strtolower($subject), 0, 3) != 're:') {
 893                     $subject = 'Re: ' . $subject;
 894                 }
 895                 /* this corrects some wrapping/quoting problems on replies */
 896                 $rewrap_body = explode("\n", $body);
 897                 $from =  (is_array($orig_header->from)) ? $orig_header->from[0] : $orig_header->from;
 898                 $body = '';
 899                 $strip_sigs = getPref($data_dir, $username, 'strip_sigs');
 900                 foreach ($rewrap_body as $line) {
 901                     if ($strip_sigs && substr($line,0,3) == '-- ') {
 902                         break;
 903                     }
 904                     if (preg_match("/^(>+)/", $line, $matches)) {
 905                         $gt = $matches[1];
 906                         $body .= $body_quote . str_replace("\n", "\n$body_quote$gt ", rtrim($line)) ."\n";
 907                     } else {
 908                         $body .= $body_quote . (!empty($body_quote) ? ' ' : '') . str_replace("\n", "\n$body_quote" . (!empty($body_quote) ? ' ' : ''), rtrim($line)) . "\n";
 909                     }
 910                 }
 911
 912                 //rewrap the body to clean up quotations and line lengths
 913                 $body = sqBodyWrap ($body, $editor_size);
 914
 915                 $body = getReplyCitation($from , $orig_header->date) . $body;
 916                 $composeMessage->reply_rfc822_header = $orig_header;
 917
 918                 break;
 919             default:
 920                 break;
 921         }
 922         $compose_messages[$session] = $composeMessage;
 923         sqsession_register($compose_messages, 'compose_messages');
 924         session_write_close();
 925         sqimap_logout($imapConnection);
 926     }
 927     $ret = array( 'send_to' => $send_to,
 928             'send_to_cc' => $send_to_cc,
 929             'send_to_bcc' => $send_to_bcc,
 930             'subject' => $subject,
 931             'mailprio' => $mailprio,
 932             'body' => $body,
 933             'identity' => $identity );
 934
 935     return ($ret);
 936 } /* function newMail() */
 937
 938 /**
 939  * downloads attachments from original message, stores them in attachment directory and adds
 940  * them to composed message.
 941  * @param object $message
 942  * @param object $composeMessage
 943  * @param integer $passed_id
 944  * @param mixed $entities
 945  * @param mixed $imapConnection
 946  * @return object
 947  */
 948 function getAttachments($message, &$composeMessage, $passed_id, $entities, $imapConnection) {
 949     global $attachment_dir, $username, $data_dir, $squirrelmail_language, $languages;
 950     $hashed_attachment_dir = getHashedDir($username, $attachment_dir);
 951     if (!count($message->entities) ||
 952             ($message->type0 == 'message' && $message->type1 == 'rfc822')) {
 953         if ( !in_array($message->entity_id, $entities) && $message->entity_id) {
 954             switch ($message->type0) {
 955                 case 'message':
 956                     if ($message->type1 == 'rfc822') {
 957                         $filename = $message->rfc822_header->subject;
 958                         if ($filename == "") {
 959                             $filename = "untitled-".$message->entity_id;
 960                         }
 961                         $filename .= '.msg';
 962                     } else {
 963                         $filename = $message->getFilename();
 964                     }
 965                     break;
 966                 default:
 967                     if (!$message->mime_header) { /* temporary hack */
 968                         $message->mime_header = $message->header;
 969                     }
 970                     $filename = $message->getFilename();
 971                     break;
 972             }
 973             $filename = str_replace('&#32;', ' ', decodeHeader($filename));
 974             if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
 975                     function_exists($languages[$squirrelmail_language]['XTRA_CODE'] . '_encode')) {
 976                 $filename =  call_user_func($languages[$squirrelmail_language]['XTRA_CODE'] . '_encode', $filename);
 977             }
 978             $localfilename = GenerateRandomString(32, '', 7);
 979             $full_localfilename = "$hashed_attachment_dir/$localfilename";
 980             while (file_exists($full_localfilename)) {
 981                 $localfilename = GenerateRandomString(32, '', 7);
 982                 $full_localfilename = "$hashed_attachment_dir/$localfilename";
 983             }
 984             $message->att_local_name = $full_localfilename;
 985
 986             $composeMessage->initAttachment($message->type0.'/'.$message->type1,$filename,
 987                     $full_localfilename);
 988
 989             /* Write Attachment to file */
 990             $fp = fopen ("$hashed_attachment_dir/$localfilename", 'wb');
 991             mime_print_body_lines ($imapConnection, $passed_id, $message->entity_id, $message->header->encoding, $fp);
 992             fclose ($fp);
 993         }
 994     } else {
 995         for ($i=0, $entCount=count($message->entities); $i<$entCount;$i++) {
 996             $composeMessage=getAttachments($message->entities[$i], $composeMessage, $passed_id, $entities, $imapConnection);
 997         }
 998     }
 999     return $composeMessage;
1000 }
1001
1002 function getMessage_RFC822_Attachment($message, $composeMessage, $passed_id,
1003         $passed_ent_id='', $imapConnection) {
1004     global $attachment_dir, $username, $data_dir;
1005     $hashed_attachment_dir = getHashedDir($username, $attachment_dir);
1006     if (!$passed_ent_id) {
1007         $body_a = sqimap_run_command($imapConnection,
1008                 'FETCH '.$passed_id.' RFC822',
1009                 TRUE, $response, $readmessage,
1010                 TRUE);
1011     } else {
1012         $body_a = sqimap_run_command($imapConnection,
1013                 'FETCH '.$passed_id.' BODY['.$passed_ent_id.']',
1014                 TRUE, $response, $readmessage, TRUE);
1015         $message = $message->parent;
1016     }
1017     if ($response == 'OK') {
1018         $subject = encodeHeader($message->rfc822_header->subject);
1019         array_shift($body_a);
1020         array_pop($body_a);
1021         $body = implode('', $body_a) . "\r\n";
1022
1023         $localfilename = GenerateRandomString(32, 'FILE', 7);
1024         $full_localfilename = "$hashed_attachment_dir/$localfilename";
1025
1026         $fp = fopen($full_localfilename, 'w');
1027         fwrite ($fp, $body);
1028         fclose($fp);
1029         $composeMessage->initAttachment('message/rfc822',$subject.'.msg',
1030                 $full_localfilename);
1031     }
1032     return $composeMessage;
1033 }
1034
1035 function showInputForm ($session, $values=false) {
1036     global $send_to, $send_to_cc, $body, $startMessage, $action,
1037         $color, $use_signature, $signature, $prefix_sig,
1038         $editor_size, $editor_height, $subject, $newmail,
1039         $use_javascript_addr_book, $send_to_bcc, $passed_id, $mailbox,
1040         $from_htmladdr_search, $location_of_buttons, $attachment_dir,
1041         $username, $data_dir, $identity, $idents, $delete_draft,
1042         $mailprio, $compose_new_win, $saved_draft, $mail_sent, $sig_first,
1043         $compose_messages, $composesession, $default_charset,
1044         $compose_onsubmit, $oTemplate, $oErrorHandler;
1045
1046     if (checkForJavascript()) {
1047         $onfocus = ' onfocus="alreadyFocused=true;"';
1048         $onfocus_array = array('onfocus' => 'alreadyFocused=true;');
1049     }
1050     else {
1051         $onfocus = '';
1052         $onfocus_array = array();
1053     }
1054
1055     $composeMessage = $compose_messages[$session];
1056     if ($values) {
1057         $send_to = $values['send_to'];
1058         $send_to_cc = $values['send_to_cc'];
1059         $send_to_bcc = $values['send_to_bcc'];
1060         $subject = $values['subject'];
1061         $mailprio = $values['mailprio'];
1062         $body = $values['body'];
1063         $identity = (int) $values['identity'];
1064     } else {
1065         $send_to = decodeHeader($send_to, true, false);
1066         $send_to_cc = decodeHeader($send_to_cc, true, false);
1067         $send_to_bcc = decodeHeader($send_to_bcc, true, false);
1068     }
1069
1070     if ($use_javascript_addr_book) {
1071         echo "\n". '<script type="text/javascript">'."\n<!--\n" .
1072             'function open_abook() { ' . "\n" .
1073             '  var nwin = window.open("addrbook_popup.php","abookpopup",' .
1074             '"width=670,height=300,resizable=yes,scrollbars=yes");' . "\n" .
1075             '  if((!nwin.opener) && (document.windows != null))' . "\n" .
1076             '    nwin.opener = document.windows;' . "\n" .
1077             "}\n" .
1078             "// -->\n</script>\n\n";
1079     }
1080
1081     echo "\n" . '<form name="compose" action="compose.php" method="post" ' .
1082         'enctype="multipart/form-data"';
1083
1084     $compose_onsubmit = array();
1085     do_hook('compose_form');
1086
1087     // Plugins that use compose_form hook can add an array entry
1088     // to the globally scoped $compose_onsubmit; we add them up
1089     // here and format the form tag's full onsubmit handler.
1090     // Each plugin should use "return false" if they need to
1091     // stop form submission but otherwise should NOT use "return
1092     // true" to give other plugins the chance to do what they need
1093     // to do; SquirrelMail itself will add the final "return true".
1094     // Onsubmit text is enclosed inside of double quotes, so plugins
1095     // need to quote accordingly.
1096     if (checkForJavascript()) {
1097         $onsubmit_text = ' onsubmit="';
1098         if (empty($compose_onsubmit))
1099             $compose_onsubmit = array();
1100         else if (!is_array($compose_onsubmit))
1101             $compose_onsubmit = array($compose_onsubmit);
1102
1103         foreach ($compose_onsubmit as $text) {
1104             $text = trim($text);
1105             if (substr($text, -1) != ';' && substr($text, -1) != '}')
1106                 $text .= '; ';
1107             $onsubmit_text .= $text;
1108         }
1109
1110         echo $onsubmit_text . ' return true;"';
1111     }
1112
1113
1114     echo ">\n";
1115
1116     echo addHidden('startMessage', $startMessage);
1117
1118     if ($action == 'draft') {
1119         echo addHidden('delete_draft', $passed_id);
1120     }
1121     if (isset($delete_draft)) {
1122         echo addHidden('delete_draft', $delete_draft);
1123     }
1124     if (isset($session)) {
1125         echo addHidden('session', $session);
1126     }
1127
1128     if (isset($passed_id)) {
1129         echo addHidden('passed_id', $passed_id);
1130     }
1131
1132     if ($saved_draft == 'yes') {
1133         $oTemplate->assign('note', _("Draft Saved"));
1134         $oTemplate->display('note.tpl');
1135     }
1136     if ($mail_sent == 'yes') {
1137         $oTemplate->assign('note', _("Your message has been sent."));
1138         $oTemplate->display('note.tpl');
1139     }
1140     if ($compose_new_win == '1') {
1141         $oTemplate->display('compose_newwin_close.tpl');
1142     }
1143
1144     if ($location_of_buttons == 'top') {
1145         showComposeButtonRow();
1146     }
1147
1148     $identities = array();
1149     if (count($idents) > 1) {
1150         reset($idents);
1151         foreach($idents as $id => $data) {
1152             $identities[$id] = $data['full_name'].' &lt;'.$data['email_address'].'&gt;';
1153         }
1154     }
1155
1156     $oTemplate->assign('identities', $identities);
1157     $oTemplate->assign('identity_def', $identity);
1158     $oTemplate->assign('input_onfocus', 'onfocus="'.join(' ', $onfocus_array).'"');
1159
1160     $oTemplate->assign('to', htmlspecialchars($send_to));
1161     $oTemplate->assign('cc', htmlspecialchars($send_to_cc));
1162     $oTemplate->assign('bcc', htmlspecialchars($send_to_bcc));
1163     $oTemplate->assign('subject', htmlspecialchars($subject));
1164
1165     $oTemplate->display('compose_header.tpl');
1166
1167     if ($location_of_buttons == 'between') {
1168         showComposeButtonRow();
1169     }
1170
1171     $body_str = '';
1172     if ($use_signature == true && $newmail == true && !isset($from_htmladdr_search)) {
1173         $signature = $idents[$identity]['signature'];
1174
1175         if ($sig_first == '1') {
1176             /*
1177              * FIXME: test is specific to ja_JP translation implementation.
1178              * This test might apply incorrect conversion to other translations, but
1179              * use of 7bit iso-2022-jp charset in other translations might have other
1180              * issues too.
1181              */
1182             if ($default_charset == 'iso-2022-jp') {
1183                 $body_str = "\n\n".($prefix_sig==true? "-- \n":'').mb_convert_encoding($signature, 'EUC-JP');
1184             } else {
1185                 $body_str = "\n\n".($prefix_sig==true? "-- \n":'').decodeHeader($signature,false,false);
1186             }
1187             $body_str .= "\n\n".htmlspecialchars(decodeHeader($body,false,false));
1188         } else {
1189             $body_str = "\n\n".htmlspecialchars(decodeHeader($body,false,false));
1190             // FIXME: test is specific to ja_JP translation implementation. See above comments.
1191             if ($default_charset == 'iso-2022-jp') {
1192                 $body_str .= "\n\n".($prefix_sig==true? "-- \n":'').mb_convert_encoding($signature, 'EUC-JP');
1193             } else {
1194                 $body_str .= "\n\n".($prefix_sig==true? "-- \n":'').decodeHeader($signature,false,false);
1195             }
1196         }
1197     } else {
1198         $body_str = htmlspecialchars(decodeHeader($body,false,false));
1199     }
1200
1201     $oTemplate->assign('editor_width', (int)$editor_size);
1202     $oTemplate->assign('editor_height', (int)$editor_height);
1203     $oTemplate->assign('input_onfocus', 'onfocus="'.join(' ', $onfocus_array).'"');
1204     $oTemplate->assign('body', $body_str);
1205     $oTemplate->assign('show_bottom_send', $location_of_buttons!='bottom');
1206
1207     $oTemplate->display ('compose_body.tpl');
1208
1209     if ($location_of_buttons == 'bottom') {
1210         showComposeButtonRow();
1211     }
1212
1213     /* This code is for attachments */
1214     if ((bool) ini_get('file_uploads')) {
1215
1216         /* Calculate the max size for an uploaded file.
1217          * This is advisory for the user because we can't actually prevent
1218          * people to upload too large files. */
1219         $sizes = array();
1220         /* php.ini vars which influence the max for uploads */
1221         $configvars = array('post_max_size', 'memory_limit', 'upload_max_filesize');
1222         foreach($configvars as $var) {
1223             /* skip 0 or empty values, and -1 which means 'unlimited' */
1224             if( $size = getByteSize(ini_get($var)) ) {
1225                 if ( $size != '-1' ) {
1226                     $sizes[] = $size;
1227                 }
1228             }
1229         }
1230
1231         $attach = array();
1232         if ($composeMessage->entities) {
1233             foreach ($composeMessage->entities as $key => $attachment) {
1234                 $attached_file = $attachment->att_local_name;
1235                 if ($attachment->att_local_name || $attachment->body_part) {
1236                     $attached_filename = decodeHeader($attachment->mime_header->getParameter('name'));
1237                     $type = $attachment->mime_header->type0.'/'.
1238                         $attachment->mime_header->type1;
1239
1240                     $a = array();
1241                     $a['Key'] = $key;
1242                     $a['FileName'] = $attached_filename;
1243                     $a['ContentType'] = $type;
1244                     $a['Size'] = filesize($attached_file);
1245                     $attach[$key] = $a;
1246                 }
1247             }
1248         }
1249
1250         $max = min($sizes);
1251         $oTemplate->assign('max_file_size', empty($max) ? -1 : $max);
1252         $oTemplate->assign('attachments', $attach);
1253
1254         $oTemplate->display('compose_attachments.tpl');
1255     } // End of file_uploads if-block
1256     /* End of attachment code */
1257
1258     echo addHidden('username', $username).
1259          addHidden('smaction', $action).
1260          addHidden('mailbox', $mailbox);
1261     /*
1262        store the complete ComposeMessages array in a hidden input value
1263        so we can restore them in case of a session timeout.
1264      */
1265     sqgetGlobalVar('QUERY_STRING', $queryString, SQ_SERVER);
1266     echo addHidden('restoremessages', serialize($compose_messages)).
1267         addHidden('composesession', $composesession).
1268         addHidden('querystring', $queryString).
1269         "</form>\n";
1270     if (!(bool) ini_get('file_uploads')) {
1271         /* File uploads are off, so we didn't show that part of the form.
1272            To avoid bogus bug reports, tell the user why. */
1273         echo '<p style="text-align:center">'
1274             . _("Because PHP file uploads are turned off, you can not attach files to this message. Please see your system administrator for details.")
1275             . "</p>\r\n";
1276     }
1277
1278     do_hook('compose_bottom');
1279
1280     if ($compose_new_win=='1') {
1281         $oTemplate->display('compose_newwin_close.tpl');
1282     }
1283
1284     $oErrorHandler->setDelayedErrors(false);
1285     $oTemplate->display('footer.tpl');
1286 }
1287
1288
1289 function showComposeButtonRow() {
1290     global $use_javascript_addr_book, $save_as_draft,
1291         $default_use_priority, $mailprio, $default_use_mdn,
1292         $request_mdn, $request_dr,
1293         $data_dir, $username;
1294
1295     global $oTemplate, $buffer_hook;
1296
1297     if ($default_use_priority) {
1298         $priorities = array('1'=>_("High"), '3'=>_("Normal"), '5'=>_("Low"));
1299         $priority = isset($mailprio) ? $mailprio : 3;
1300     } else {
1301         $priorities = array();
1302         $priority = NULL;
1303     }
1304
1305     $mdn_user_support=getPref($data_dir, $username, 'mdn_user_support',$default_use_mdn);
1306
1307     if ($use_javascript_addr_book) {
1308         $addr_book = "         <script type=\"text/javascript\"><!--\n document.write(\"".
1309             "            <input type=button value=\\\""._("Addresses").
1310             "\\\" onclick=\\\"javascript:open_abook();\\\" />\");".
1311             "            // --></script><noscript>\n".
1312             '            <input type="submit" name="html_addr_search" value="'.
1313             _("Addresses").'" />'.
1314             "         </noscript>\n";
1315     } else {
1316         $addr_book = '         <input type="submit" name="html_addr_search" value="'.
1317             _("Addresses").'" />' . "\n";
1318     }
1319
1320     $oTemplate->assign('allow_priority', $default_use_priority==1);
1321     $oTemplate->assign('priority_list', $priorities);
1322     $oTemplate->assign('current_priority', $priority);
1323
1324     $oTemplate->assign('notifications_enabled', $mdn_user_support==1);
1325     $oTemplate->assign('read_receipt', $request_mdn=='1');
1326     $oTemplate->assign('delivery_receipt', $request_dr=='1');
1327
1328     $oTemplate->assign('drafts_enabled', $save_as_draft);
1329     $oTemplate->assign('address_book_button', $addr_book);
1330
1331     $oTemplate->display('compose_buttons.tpl');
1332 }
1333
1334 function checkInput ($show) {
1335     /*
1336      * I implemented the $show variable because the error messages
1337      * were getting sent before the page header.  So, I check once
1338      * using $show=false, and then when i'm ready to display the error
1339      * message, show=true
1340      */
1341     global $send_to, $send_to_bcc;
1342
1343     if ($send_to == '' && $send_to_bcc == '') {
1344         if ($show) {
1345             plain_error_message(_("You have not filled in the \"To:\" field."));
1346         }
1347         return false;
1348     }
1349     return true;
1350 } /* function checkInput() */
1351
1352
1353 /* True if FAILURE */
1354 function saveAttachedFiles($session) {
1355     global $_FILES, $attachment_dir, $username,
1356         $data_dir, $compose_messages;
1357
1358     /* get out of here if no file was attached at all */
1359     if (! is_uploaded_file($_FILES['attachfile']['tmp_name']) ) {
1360         return true;
1361     }
1362
1363     $hashed_attachment_dir = getHashedDir($username, $attachment_dir);
1364     $localfilename = GenerateRandomString(32, '', 7);
1365     $full_localfilename = "$hashed_attachment_dir/$localfilename";
1366     while (file_exists($full_localfilename)) {
1367         $localfilename = GenerateRandomString(32, '', 7);
1368         $full_localfilename = "$hashed_attachment_dir/$localfilename";
1369     }
1370
1371     // m_u_f works better with restricted PHP installs (safe_mode, open_basedir),
1372     // if that doesn't work, try a simple rename.
1373     if (!@move_uploaded_file($_FILES['attachfile']['tmp_name'],$full_localfilename)) {
1374         if (!@rename($_FILES['attachfile']['tmp_name'], $full_localfilename)) {
1375             return true;
1376         }
1377     }
1378     $message = $compose_messages[$session];
1379     $type = strtolower($_FILES['attachfile']['type']);
1380     $name = $_FILES['attachfile']['name'];
1381     $message->initAttachment($type, $name, $full_localfilename);
1382     $compose_messages[$session] = $message;
1383     sqsession_register($compose_messages , 'compose_messages');
1384 }
1385
1386 /* parse values like 8M and 2k into bytes */
1387 function getByteSize($ini_size) {
1388
1389     if(!$ini_size) {
1390         return FALSE;
1391     }
1392
1393     $ini_size = trim($ini_size);
1394
1395     // if there's some kind of letter at the end of the string we need to multiply.
1396     if(!is_numeric(substr($ini_size, -1))) {
1397
1398         switch(strtoupper(substr($ini_size, -1))) {
1399             case 'G':
1400                 $bytesize = 1073741824;
1401                 break;
1402             case 'M':
1403                 $bytesize = 1048576;
1404                 break;
1405             case 'K':
1406                 $bytesize = 1024;
1407                 break;
1408         }
1409
1410         return ($bytesize * (int)substr($ini_size, 0, -1));
1411     }
1412
1413     return $ini_size;
1414 }
1415
1416
1417 /**
1418  * temporary function to make use of the deliver class.
1419  * In the future the responsible backend should be automaticly loaded
1420  * and conf.pl should show a list of available backends.
1421  * The message also should be constructed by the message class.
1422  */
1423 function deliverMessage($composeMessage, $draft=false) {
1424     global $send_to, $send_to_cc, $send_to_bcc, $mailprio, $subject, $body,
1425         $username, $popuser, $usernamedata, $identity, $idents, $data_dir,
1426         $request_mdn, $request_dr, $default_charset, $color, $useSendmail,
1427         $domain, $action, $default_move_to_sent, $move_to_sent;
1428     global $imapServerAddress, $imapPort, $sent_folder, $key;
1429
1430     $rfc822_header = $composeMessage->rfc822_header;
1431
1432     $abook = addressbook_init(false, true);
1433     $rfc822_header->to = $rfc822_header->parseAddress($send_to,true, array(), '', $domain, array(&$abook,'lookup'));
1434     $rfc822_header->cc = $rfc822_header->parseAddress($send_to_cc,true,array(), '',$domain, array(&$abook,'lookup'));
1435     $rfc822_header->bcc = $rfc822_header->parseAddress($send_to_bcc,true, array(), '',$domain, array(&$abook,'lookup'));
1436     $rfc822_header->priority = $mailprio;
1437     $rfc822_header->subject = $subject;
1438
1439     $special_encoding='';
1440     if (strtolower($default_charset) == 'iso-2022-jp') {
1441         if (mb_detect_encoding($body) == 'ASCII') {
1442             $special_encoding = '8bit';
1443         } else {
1444             $body = mb_convert_encoding($body, 'JIS');
1445             $special_encoding = '7bit';
1446         }
1447     }
1448     $composeMessage->setBody($body);
1449
1450     if (ereg("^([^@%/]+)[@%/](.+)$", $username, $usernamedata)) {
1451         $popuser = $usernamedata[1];
1452         $domain  = $usernamedata[2];
1453         unset($usernamedata);
1454     } else {
1455         $popuser = $username;
1456     }
1457     $reply_to = '';
1458     $from_mail = $idents[$identity]['email_address'];
1459     $full_name = $idents[$identity]['full_name'];
1460     $reply_to  = $idents[$identity]['reply_to'];
1461     if (!$from_mail) {
1462         $from_mail = "$popuser@$domain";
1463     }
1464     $rfc822_header->from = $rfc822_header->parseAddress($from_mail,true);
1465     if ($full_name) {
1466         $from = $rfc822_header->from[0];
1467         if (!$from->host) $from->host = $domain;
1468         $full_name_encoded = encodeHeader($full_name);
1469         if ($full_name_encoded != $full_name) {
1470             $from_addr = $full_name_encoded .' <'.$from->mailbox.'@'.$from->host.'>';
1471         } else {
1472             $from_addr = '"'.$full_name .'" <'.$from->mailbox.'@'.$from->host.'>';
1473         }
1474         $rfc822_header->from = $rfc822_header->parseAddress($from_addr,true);
1475     }
1476     if ($reply_to) {
1477         $rfc822_header->reply_to = $rfc822_header->parseAddress($reply_to,true);
1478     }
1479     /* Receipt: On Read */
1480     if (isset($request_mdn) && $request_mdn) {
1481         $rfc822_header->dnt = $rfc822_header->parseAddress($from_mail,true);
1482     } elseif (isset($rfc822_header->dnt)) {
1483         unset($rfc822_header->dnt);
1484     }
1485
1486     /* Receipt: On Delivery */
1487     if (isset($request_dr) && $request_dr) {
1488         $rfc822_header->more_headers['Return-Receipt-To'] = $from_mail;
1489     } elseif (isset($rfc822_header->more_headers['Return-Receipt-To'])) {
1490         unset($rfc822_header->more_headers['Return-Receipt-To']);
1491     }
1492
1493     /* multipart messages */
1494     if (count($composeMessage->entities)) {
1495         $message_body = new Message();
1496         $message_body->body_part = $composeMessage->body_part;
1497         $composeMessage->body_part = '';
1498         $mime_header = new MessageHeader;
1499         $mime_header->type0 = 'text';
1500         $mime_header->type1 = 'plain';
1501         if ($special_encoding) {
1502             $mime_header->encoding = $special_encoding;
1503         } else {
1504             $mime_header->encoding = '8bit';
1505         }
1506         if ($default_charset) {
1507             $mime_header->parameters['charset'] = $default_charset;
1508         }
1509         $message_body->mime_header = $mime_header;
1510         array_unshift($composeMessage->entities, $message_body);
1511         $content_type = new ContentType('multipart/mixed');
1512     } else {
1513         $content_type = new ContentType('text/plain');
1514         if ($special_encoding) {
1515             $rfc822_header->encoding = $special_encoding;
1516         } else {
1517             $rfc822_header->encoding = '8bit';
1518         }
1519         if ($default_charset) {
1520             $content_type->properties['charset']=$default_charset;
1521         }
1522     }
1523
1524     $rfc822_header->content_type = $content_type;
1525     $composeMessage->rfc822_header = $rfc822_header;
1526
1527     /* Here you can modify the message structure just before we hand
1528        it over to deliver */
1529     $hookReturn = do_hook('compose_send', $composeMessage);
1530     /* Get any changes made by plugins to $composeMessage. */
1531     if ( is_object($hookReturn[1]) ) {
1532         $composeMessage = $hookReturn[1];
1533     }
1534
1535     if (!$useSendmail && !$draft) {
1536         require_once(SM_PATH . 'class/deliver/Deliver_SMTP.class.php');
1537         $deliver = new Deliver_SMTP();
1538         global $smtpServerAddress, $smtpPort, $pop_before_smtp;
1539
1540         $authPop = (isset($pop_before_smtp) && $pop_before_smtp) ? true : false;
1541         get_smtp_user($user, $pass);
1542         $stream = $deliver->initStream($composeMessage,$domain,0,
1543                 $smtpServerAddress, $smtpPort, $user, $pass, $authPop);
1544     } elseif (!$draft) {
1545         require_once(SM_PATH . 'class/deliver/Deliver_SendMail.class.php');
1546         global $sendmail_path, $sendmail_args;
1547         // Check for outdated configuration
1548         if (!isset($sendmail_args)) {
1549             if ($sendmail_path=='/var/qmail/bin/qmail-inject') {
1550                 $sendmail_args = '';
1551             } else {
1552                 $sendmail_args = '-i -t';
1553             }
1554         }
1555         $deliver = new Deliver_SendMail(array('sendmail_args'=>$sendmail_args));
1556         $stream = $deliver->initStream($composeMessage,$sendmail_path);
1557     } elseif ($draft) {
1558         global $draft_folder;
1559         require_once(SM_PATH . 'class/deliver/Deliver_IMAP.class.php');
1560         $imap_stream = sqimap_login($username, false, $imapServerAddress,
1561                 $imapPort, 0);
1562         if (sqimap_mailbox_exists ($imap_stream, $draft_folder)) {
1563             require_once(SM_PATH . 'class/deliver/Deliver_IMAP.class.php');
1564             $imap_deliver = new Deliver_IMAP();
1565             $length = $imap_deliver->mail($composeMessage);
1566             sqimap_append ($imap_stream, $draft_folder, $length);
1567             $imap_deliver->mail($composeMessage, $imap_stream);
1568             sqimap_append_done ($imap_stream, $draft_folder);
1569             sqimap_logout($imap_stream);
1570             unset ($imap_deliver);
1571             $composeMessage->purgeAttachments();
1572             return $length;
1573         } else {
1574             $msg  = '<br />'.sprintf(_("Error: Draft folder %s does not exist."), htmlspecialchars($draft_folder));
1575             plain_error_message($msg);
1576             return false;
1577         }
1578     }
1579     $success = false;
1580     if ($stream) {
1581         $length = $deliver->mail($composeMessage, $stream);
1582         $success = $deliver->finalizeStream($stream);
1583     }
1584     if (!$success) {
1585         // $deliver->dlv_server_msg is not always server's reply
1586         $msg  = $deliver->dlv_msg;
1587         if (!empty($deliver->dlv_server_msg)) {
1588             // add 'server replied' part only when it is not empty.
1589             // Delivery error can be generated by delivery class itself
1590             $msg.='<br />' .
1591                 _("Server replied:") . ' ' . $deliver->dlv_ret_nr . ' ' .
1592                 nl2br(htmlspecialchars($deliver->dlv_server_msg));
1593         }
1594         plain_error_message($msg);
1595     } else {
1596         unset ($deliver);
1597         $move_to_sent = getPref($data_dir,$username,'move_to_sent');
1598         $imap_stream = sqimap_login($username, false, $imapServerAddress, $imapPort, 0);
1599
1600         /* Move to sent code */
1601         if (isset($default_move_to_sent) && ($default_move_to_sent != 0)) {
1602             $svr_allow_sent = true;
1603         } else {
1604             $svr_allow_sent = false;
1605         }
1606
1607         if (isset($sent_folder) && (($sent_folder != '') || ($sent_folder != 'none'))
1608                 && sqimap_mailbox_exists( $imap_stream, $sent_folder)) {
1609             $fld_sent = true;
1610         } else {
1611             $fld_sent = false;
1612         }
1613
1614         if ((isset($move_to_sent) && ($move_to_sent != 0)) || (!isset($move_to_sent))) {
1615             $lcl_allow_sent = true;
1616         } else {
1617             $lcl_allow_sent = false;
1618         }
1619
1620         if (($fld_sent && $svr_allow_sent && !$lcl_allow_sent) || ($fld_sent && $lcl_allow_sent)) {
1621             global $passed_id, $mailbox, $action;
1622             if ($action == 'reply' || $action == 'reply_all') {
1623                 $save_reply_with_orig=getPref($data_dir,$username,'save_reply_with_orig');
1624                 if ($save_reply_with_orig) {
1625                     $sent_folder = $mailbox;
1626                 }
1627             }
1628             sqimap_append ($imap_stream, $sent_folder, $length);
1629             require_once(SM_PATH . 'class/deliver/Deliver_IMAP.class.php');
1630             $imap_deliver = new Deliver_IMAP();
1631             $imap_deliver->mail($composeMessage, $imap_stream);
1632             sqimap_append_done ($imap_stream, $sent_folder);
1633             unset ($imap_deliver);
1634         }
1635
1636         global $passed_id, $mailbox, $action, $what, $iAccount,$startMessage;
1637
1638         $composeMessage->purgeAttachments();
1639         if ($action == 'reply' || $action == 'reply_all') {
1640             require(SM_PATH . 'functions/mailbox_display.php');
1641             $aMailbox = sqm_api_mailbox_select($imap_stream, $iAccount, $mailbox,array('setindex' => $what, 'offset' => $startMessage),array());
1642             // check if we are allowed to set the \\Answered flag
1643             if (in_array('\\answered',$aMailbox['PERMANENTFLAGS'], true)) {
1644                 $aUpdatedMsgs = sqimap_toggle_flag($imap_stream, array($passed_id), '\\Answered', true, false);
1645                 if (isset($aUpdatedMsgs[$passed_id]['FLAGS'])) {
1646                     /**
1647                      * Only update the cached headers if the header is
1648                      * cached.
1649                      */
1650                     if (isset($aMailbox['MSG_HEADERS'][$passed_id])) {
1651                         $aMailbox['MSG_HEADERS'][$passed_id]['FLAGS'] = $aMsg['FLAGS'];
1652                     }
1653                 }
1654             }
1655             /**
1656              * Write mailbox with updated seen flag information back to cache.
1657              */
1658             $mailbox_cache[$iAccount.'_'.$aMailbox['NAME']] = $aMailbox;
1659             sqsession_register($mailbox_cache,'mailbox_cache');
1660         }
1661         sqimap_logout($imap_stream);
1662     }
1663     return $success;
1664 }
1665 ?>