src/compose.php

   1 <?php
   2    /**
   3     ** compose.php
   4     **
   5     **  Copyright (c) 1999-2000 The SquirrelMail development team
   6     **  Licensed under the GNU GPL. For full terms see the file COPYING.
   7     **
   8     ** This code sends a mail.
   9     **
  10     ** There are 3 modes of operation:
  11     **  - Start new mail
  12     **  - Add an attachment
  13     **  - Send mail
  14     **
  15     ** $Id$
  16     **/
  17
  18    include('../src/validate.php');
  19    include("../functions/imap.php");
  20    include("../functions/date.php");
  21    include("../functions/mime.php");
  22    include("../functions/smtp.php");
  23    include("../functions/display_messages.php");
  24    include ("../functions/plugin.php");
  25
  26    if (!isset($attachments))
  27    {
  28        $attachments = array();
  29        session_register('attachments');
  30    }
  31
  32
  33    // This function is used when not sending or adding attachments
  34    function newMail () {
  35       global $forward_id, $imapConnection, $msg, $ent_num, $body_ary, $body,
  36          $reply_id, $send_to, $send_to_cc, $mailbox, $send_to_bcc, $editor_size;
  37
  38       $send_to = decodeHeader($send_to);
  39       $send_to_cc = decodeHeader($send_to_cc);
  40       $send_to_bcc = decodeHeader($send_to_bcc);
  41
  42       if ($forward_id)
  43          $id = $forward_id;
  44       elseif ($reply_id)
  45          $id = $reply_id;
  46
  47
  48       if (isset($id)) {
  49          sqimap_mailbox_select($imapConnection, $mailbox);
  50          $message = sqimap_get_message($imapConnection, $id, $mailbox);
  51          $orig_header = $message->header;
  52          if ($ent_num)
  53             $message = getEntity($message, $ent_num);
  54
  55          if ($message->header->type0 == "text" || $message->header->type1 == "message") {
  56             if ($ent_num)
  57                $body = decodeBody(mime_fetch_body($imapConnection, $id, $ent_num), $message->header->encoding);
  58             else
  59                $body = decodeBody(mime_fetch_body($imapConnection, $id, 1), $message->header->encoding);
  60          } else {
  61             $body = "";
  62          }
  63
  64          if ($message->header->type1 == "html")
  65             $body = strip_tags($body);
  66
  67          sqUnWordWrap($body);
  68          $body_ary = explode("\n", $body);
  69          $i = count($body_ary) - 1;
  70          while ($i >= 0 && ereg("^[>\\s]*$", $body_ary[$i])) {
  71             unset($body_ary[$i]);
  72             $i --;
  73          }
  74          $body = "";
  75          for ($i=0; isset($body_ary[$i]); $i++) {
  76             if (! $forward_id)
  77             {
  78                 if (ereg('^[ >]+', $body_ary[$i]))
  79                 {
  80                     $body_ary[$i] = '>' . $body_ary[$i];
  81                 }
  82                 else
  83                 {
  84                     $body_ary[$i] = '> ' . $body_ary[$i];
  85                 }
  86             }
  87             sqWordWrap($body_ary[$i], $editor_size - 1);
  88             $body .= $body_ary[$i] . "\n";
  89             unset($body_ary[$i]);
  90          }
  91          if ($forward_id)
  92          {
  93              $bodyTop =  "-------- " . _("Original Message") . " --------\n";
  94              $bodyTop .= _("Subject") . ": " . $orig_header->subject . "\n";
  95              $bodyTop .= _("From") . ": " . $orig_header->from . "\n";
  96              $bodyTop .= _("To") . ": " . $orig_header->to[0] . "\n";
  97              if (count($orig_header->to) > 1) {
  98                  for ($x=1; $x < count($orig_header->to); $x++) {
  99                      $bodyTop .= "         " . $orig_header->to[$x] . "\n";
 100                  }
 101              }
 102              $bodyTop .= "\n";
 103              $body = $bodyTop . $body;
 104          }
 105
 106          return;
 107       }
 108
 109       if (!$send_to) {
 110          $send_to = sqimap_find_email($send_to);
 111       }
 112
 113       /** This formats a CC string if they hit "reply all" **/
 114       if ($send_to_cc != "") {
 115          $send_to_cc = ereg_replace( '"[^"]*"', "", $send_to_cc);
 116          $send_to_cc = ereg_replace(";", ",", $send_to_cc);
 117          $sendcc = explode(",", $send_to_cc);
 118          $send_to_cc = "";
 119
 120          for ($i = 0; $i < count($sendcc); $i++) {
 121             $sendcc[$i] = trim($sendcc[$i]);
 122             if ($sendcc[$i] == "")
 123                continue;
 124
 125             $sendcc[$i] = sqimap_find_email($sendcc[$i]);
 126             $whofrom = sqimap_find_displayable_name($msg["HEADER"]["FROM"]);
 127             $whoreplyto = sqimap_find_email($msg["HEADER"]["REPLYTO"]);
 128
 129             if ((strtolower(trim($sendcc[$i])) != strtolower(trim($whofrom))) &&
 130                 (strtolower(trim($sendcc[$i])) != strtolower(trim($whoreplyto))) &&
 131                 (trim($sendcc[$i]) != "")) {
 132                $send_to_cc .= trim($sendcc[$i]) . ", ";
 133             }
 134          }
 135          $send_to_cc = trim($send_to_cc);
 136          if (substr($send_to_cc, -1) == ",") {
 137             $send_to_cc = substr($send_to_cc, 0, strlen($send_to_cc) - 1);
 138          }
 139       }
 140    } // function newMail()
 141
 142    function getAttachments($message) {
 143       global $mailbox, $attachments, $attachment_dir, $imapConnection,
 144              $ent_num, $forward_id;
 145
 146       if (!$message) {
 147            sqimap_mailbox_select($imapConnection, $mailbox);
 148            $message = sqimap_get_message($imapConnection, $forward_id,
 149                $mailbox);
 150       }
 151
 152       if (count($message->entities) == 0) {
 153           if ($message->header->entity_id != $ent_num) {
 154               $filename = decodeHeader($message->header->filename);
 155
 156               if ($filename == "")
 157                   $filename = "untitled-".$message->header->entity_id;
 158
 159               $localfilename = GenerateRandomString(32, '', 7);
 160               while (file_exists($attachment_dir . $localfilename))
 161                   $localfilename = GenerateRandomString(32, '', 7);
 162
 163               $newAttachment = array();
 164               $newAttachment['localfilename'] = $localfilename;
 165               $newAttachment['remotefilename'] = $filename;
 166               $newAttachment['type'] = strtolower($message->header->type0 .
 167                  '/' . $message->header->type1);
 168
 169               // Write Attachment to file
 170               $fp = fopen ($attachment_dir.$localfilename, 'w');
 171               fputs ($fp, decodeBody(mime_fetch_body($imapConnection,
 172                   $forward_id, $message->header->entity_id),
 173                   $message->header->encoding));
 174               fclose ($fp);
 175
 176               $attachments[] = $newAttachment;
 177           }
 178       } else {
 179           for ($i = 0; $i < count($message->entities); $i++) {
 180               getAttachments($message->entities[$i]);
 181           }
 182       }
 183       return;
 184    }
 185
 186    function showInputForm () {
 187       global $send_to, $send_to_cc, $reply_subj, $forward_subj, $body,
 188          $passed_body, $color, $use_signature, $signature, $prefix_sig,
 189          $editor_size, $attachments, $subject, $newmail,
 190          $use_javascript_addr_book, $send_to_bcc, $reply_id, $mailbox,
 191          $from_htmladdr_search, $location_of_buttons, $attachment_dir,
 192          $username, $data_dir, $identity;
 193
 194       $subject = decodeHeader($subject);
 195       $reply_subj = decodeHeader($reply_subj);
 196       $forward_subj = decodeHeader($forward_subj);
 197
 198       if ($use_javascript_addr_book) {
 199          echo "\n<SCRIPT LANGUAGE=JavaScript><!--\n";
 200          echo "function open_abook() { \n";
 201          echo "  var nwin = window.open(\"addrbook_popup.php\",\"abookpopup\",";
 202          echo "\"width=670,height=300,resizable=yes,scrollbars=yes\");\n";
 203          echo "  if((!nwin.opener) && (document.windows != null))\n";
 204          echo "    nwin.opener = document.windows;\n";
 205          echo "}\n";
 206          echo "// --></SCRIPT>\n\n";
 207       }
 208
 209       echo "\n<FORM name=compose action=\"compose.php\" METHOD=POST ENCTYPE=\"multipart/form-data\"";
 210       do_hook("compose_form");
 211           echo ">\n";
 212       if ($reply_id) {
 213          echo "<input type=hidden name=reply_id value=$reply_id>\n";
 214       }
 215       printf("<INPUT TYPE=hidden NAME=mailbox VALUE=\"%s\">\n", htmlspecialchars($mailbox));
 216       echo "<TABLE WIDTH=\"100%\" ALIGN=center CELLSPACING=0 BORDER=0>\n";
 217
 218       if ($location_of_buttons == 'top') showComposeButtonRow();
 219
 220       $idents = getPref($data_dir, $username, 'identities');
 221       if ($idents != '' && $idents > 1)
 222       {
 223          echo "   <TR>\n";
 224          echo "      <TD BGCOLOR=\"$color[4]\" WIDTH=\"10%\" ALIGN=RIGHT>\n";
 225          echo _("From:");
 226          echo "      </TD><TD BGCOLOR=\"$color[4]\" WIDTH=\"90%\">\n";
 227          echo "<select name=identity>\n";
 228          echo "<option value=default>" .
 229             htmlspecialchars(getPref($data_dir, $username, 'full_name'));
 230          $em = getPref($data_dir, $username, 'email_address');
 231          if ($em != '')
 232             echo htmlspecialchars(' <' . $em . '>') . "\n";
 233          for ($i = 1; $i < $idents; $i ++) {
 234             echo '<option value="' . $i . '"';
 235             if (isset($identity) && $identity == $i)
 236                echo ' SELECTED';
 237             echo '>';
 238             echo htmlspecialchars(getPref($data_dir, $username, 'full_name' .
 239                                           $i));
 240             $em = getPref($data_dir, $username, 'email_address' . $i);
 241             if ($em != '')
 242                echo htmlspecialchars(' <' . $em . '>') . "\n";
 243          }
 244          echo "</select>\n";
 245          echo "      </TD>\n";
 246          echo "   </TR>\n";
 247       }
 248       echo "   <TR>\n";
 249       echo "      <TD BGCOLOR=\"$color[4]\" WIDTH=\"10%\" ALIGN=RIGHT>\n";
 250       echo _("To:");
 251       echo "      </TD><TD BGCOLOR=\"$color[4]\" WIDTH=\"90%\">\n";
 252       printf("         <INPUT TYPE=text NAME=\"send_to\" VALUE=\"%s\" SIZE=60><BR>\n",
 253              htmlspecialchars($send_to));
 254       echo "      </TD>\n";
 255       echo "   </TR>\n";
 256       echo "   <TR>\n";
 257       echo "      <TD BGCOLOR=\"$color[4]\" ALIGN=RIGHT>\n";
 258       echo _("CC:");
 259       echo "      </TD><TD BGCOLOR=\"$color[4]\" ALIGN=LEFT>\n";
 260       printf("         <INPUT TYPE=text NAME=\"send_to_cc\" SIZE=60 VALUE=\"%s\"><BR>\n",
 261              htmlspecialchars($send_to_cc));
 262       echo "      </TD>\n";
 263       echo "   </TR>\n";
 264       echo "   <TR>\n";
 265       echo "      <TD BGCOLOR=\"$color[4]\" ALIGN=RIGHT>\n";
 266       echo _("BCC:");
 267       echo "      </TD><TD BGCOLOR=\"$color[4]\" ALIGN=LEFT>\n";
 268       printf("         <INPUT TYPE=text NAME=\"send_to_bcc\" VALUE=\"%s\" SIZE=60><BR>\n",
 269              htmlspecialchars($send_to_bcc));
 270       echo "</TD></TR>\n";
 271
 272       echo "   <TR>\n";
 273       echo "      <TD BGCOLOR=\"$color[4]\" ALIGN=RIGHT>\n";
 274       echo _("Subject:");
 275       echo "      </TD><TD BGCOLOR=\"$color[4]\" ALIGN=LEFT>\n";
 276       if ($reply_subj) {
 277          $reply_subj = str_replace("\"", "'", $reply_subj);
 278          $reply_subj = trim($reply_subj);
 279          if (substr(strtolower($reply_subj), 0, 3) != "re:")
 280             $reply_subj = "Re: $reply_subj";
 281          printf("         <INPUT TYPE=text NAME=subject SIZE=60 VALUE=\"%s\">",
 282                 htmlspecialchars($reply_subj));
 283       } else if ($forward_subj) {
 284          $forward_subj = trim($forward_subj);
 285          if ((substr(strtolower($forward_subj), 0, 4) != 'fwd:') &&
 286              (substr(strtolower($forward_subj), 0, 5) != '[fwd:') &&
 287              (substr(strtolower($forward_subj), 0, 6) != '[ fwd:'))
 288             $forward_subj = "[Fwd: $forward_subj]";
 289          printf("         <INPUT TYPE=text NAME=subject SIZE=60 VALUE=\"%s\">",
 290                 htmlspecialchars($forward_subj));
 291       } else {
 292           printf("         <INPUT TYPE=text NAME=subject SIZE=60 VALUE=\"%s\">",
 293                 htmlspecialchars($subject));
 294       }
 295       echo "</td></tr>\n\n";
 296
 297       if ($location_of_buttons == 'between') showComposeButtonRow();
 298
 299       echo "   <TR>\n";
 300       echo "      <TD BGCOLOR=\"$color[4]\" COLSPAN=2>\n";
 301       echo "         &nbsp;&nbsp;<TEXTAREA NAME=body ROWS=20 COLS=\"$editor_size\" WRAP=HARD>";
 302       echo htmlspecialchars($body);
 303       if ($use_signature == true && $newmail == true && !isset($from_htmladdr_search)) {
 304         if ( $prefix_sig == true )
 305           echo "\n\n-- \n" . htmlspecialchars($signature);
 306         else
 307           echo "\n\n" . htmlspecialchars($signature);
 308       }
 309       echo "</TEXTAREA><BR>\n";
 310       echo "      </TD>\n";
 311       echo "   </TR>\n";
 312
 313       if ($location_of_buttons == 'bottom')
 314          showComposeButtonRow();
 315       else {
 316          echo "   <TR><TD>&nbsp;</TD><TD ALIGN=LEFT><INPUT TYPE=SUBMIT NAME=send VALUE=\""._("Send")."\"></TD></TR>\n";
 317       }
 318
 319       // This code is for attachments
 320       echo "   <tr>\n";
 321       echo "     <TD BGCOLOR=\"$color[0]\" VALIGN=TOP ALIGN=RIGHT>\n";
 322       echo "      <SMALL><BR></SMALL>"._("Attach:");
 323       echo "      </td><td ALIGN=left BGCOLOR=\"$color[0]\">\n";
 324       echo "      <INPUT NAME=\"attachfile\" SIZE=48 TYPE=\"file\">\n";
 325       echo "      &nbsp;&nbsp;<input type=\"submit\" name=\"attach\"";
 326       echo " value=\"" . _("Add") ."\">\n";
 327       echo "     </td>\n";
 328       echo "   </tr>\n";
 329       if (count($attachments))
 330       {
 331          echo "<tr><td bgcolor=\"$color[0]\" align=right>\n";
 332          echo "&nbsp;";
 333          echo "</td><td align=left bgcolor=\"$color[0]\">";
 334          foreach ($attachments as $key => $info) {
 335             echo "<input type=\"checkbox\" name=\"delete[]\" value=\"$key\">\n";
 336             echo $info['remotefilename'] . " - " . $info['type'] . " (";
 337             echo show_readable_size(filesize($attachment_dir .
 338                 $info['localfilename'])) . ")<br>\n";
 339          }
 340
 341          echo "<input type=\"submit\" name=\"do_delete\" value=\""._("Delete selected attachments")."\">\n";
 342          echo "</td></tr>";
 343       }
 344       // End of attachment code
 345
 346       echo "</TABLE>\n";
 347       echo "</FORM>";
 348       do_hook("compose_bottom");
 349    }
 350
 351    function showComposeButtonRow() {
 352       global $use_javascript_addr_book;
 353
 354       echo "   <TR><td>\n   </td><td>\n";
 355       if ($use_javascript_addr_book) {
 356          echo "      <SCRIPT LANGUAGE=JavaScript><!--\n document.write(\"";
 357          echo "         <input type=button value=\\\""._("Addresses")."\\\" onclick='javascript:open_abook();'>\");";
 358          echo "         // --></SCRIPT><NOSCRIPT>\n";
 359          echo "         <input type=submit name=\"html_addr_search\" value=\""._("Addresses")."\">";
 360          echo "      </NOSCRIPT>\n";
 361       } else {
 362          echo "      <input type=submit name=\"html_addr_search\" value=\""._("Addresses")."\">";
 363       }
 364       echo "\n    <INPUT TYPE=SUBMIT NAME=send VALUE=\"". _("Send") . "\">\n";
 365
 366       do_hook("compose_button_row");
 367
 368       echo "   </TD>\n";
 369       echo "   </TR>\n\n";
 370    }
 371
 372    function checkInput ($show) {
 373       /** I implemented the $show variable because the error messages
 374           were getting sent before the page header.  So, I check once
 375           using $show=false, and then when i'm ready to display the
 376           error message, show=true **/
 377       global $body, $send_to, $subject, $color;
 378
 379       if ($send_to == "") {
 380          if ($show)
 381             plain_error_message(_("You have not filled in the \"To:\" field."), $color);
 382          return false;
 383       }
 384       return true;
 385    } // function checkInput()
 386
 387
 388    // True if FAILURE
 389    function saveAttachedFiles() {
 390       global $HTTP_POST_FILES, $attachment_dir, $attachments;
 391
 392       $localfilename = GenerateRandomString(32, '', 7);
 393       while (file_exists($attachment_dir . $localfilename))
 394           $localfilename = GenerateRandomString(32, '', 7);
 395
 396       if (!@rename($HTTP_POST_FILES['attachfile']['tmp_name'], $attachment_dir.$localfilename)) {
 397          if (!@copy($HTTP_POST_FILES['attachfile']['tmp_name'], $attachment_dir.$localfilename)) {
 398             return true;
 399          }
 400       }
 401
 402       $newAttachment['localfilename'] = $localfilename;
 403       $newAttachment['remotefilename'] = $HTTP_POST_FILES['attachfile']['name'];
 404       $newAttachment['type'] =
 405          strtolower($HTTP_POST_FILES['attachfile']['type']);
 406
 407       $attachments[] = $newAttachment;
 408     }
 409
 410    if (!isset($mailbox) || $mailbox == "" || ($mailbox == "None"))
 411       $mailbox = "INBOX";
 412
 413    if (isset($send)) {
 414       if (isset($HTTP_POST_FILES['attachfile']) &&
 415           $HTTP_POST_FILES['attachfile']['tmp_name'] &&
 416           $HTTP_POST_FILES['attachfile']['tmp_name'] != 'none')
 417           $AttachFailure = saveAttachedFiles();
 418       if (checkInput(false) && !isset($AttachFailure)) {
 419          $urlMailbox = urlencode (trim($mailbox));
 420          if (! isset($reply_id))
 421              $reply_id = 0;
 422          // Set $default_charset to correspond with the user's selection
 423          // of language interface.
 424          set_my_charset();
 425
 426          // This is to change all newlines to \n
 427          // We'll change them to \r\n later (in the sendMessage function)
 428          $body = str_replace("\r\n", "\n", $body);
 429          $body = str_replace("\r", "\n", $body);
 430
 431          // Rewrap $body so that no line is bigger than $editor_size
 432          // This should only really kick in the sqWordWrap function
 433          // if the browser doesn't support "HARD" as the wrap type
 434          // Or, in Opera's case, something goes wrong.
 435          $body = explode("\n", $body);
 436          $newBody = '';
 437          foreach ($body as $line) {
 438             $line = rtrim($line);
 439             if (strlen($line) <= $editor_size + 1)
 440                $newBody .= $line . "\n";
 441             else {
 442                sqWordWrap($line, $editor_size) . "\n";
 443                $newBody .= $line;
 444             }
 445          }
 446          $body = $newBody;
 447
 448          do_hook("compose_send");
 449
 450          if (! sendMessage($send_to, $send_to_cc, $send_to_bcc, $subject, $body, $reply_id)) {
 451             showInputForm();
 452             exit();
 453          }
 454          Header("Location: right_main.php?mailbox=$urlMailbox&sort=$sort&startMessage=1");
 455       } else {
 456          //$imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 0);
 457          displayPageHeader($color, $mailbox);
 458
 459          if (isset($AttachFailure))
 460              plain_error_message(_("Could not move/copy file. File not attached"), $color);
 461
 462          checkInput(true);
 463
 464          showInputForm();
 465          //sqimap_logout($imapConnection);
 466       }
 467    } else if (isset($html_addr_search_done)) {
 468       displayPageHeader($color, $mailbox);
 469
 470       if (isset($send_to_search) && is_array($send_to_search)) {
 471          foreach ($send_to_search as $k => $v) {
 472             if (substr($k, 0, 1) == 'T') {
 473                if ($send_to)
 474                   $send_to .= ', ';
 475                $send_to .= $v;
 476             }
 477             elseif (substr($k, 0, 1) == 'C') {
 478                if ($send_to_cc)
 479                   $send_to_cc .= ', ';
 480                $send_to_cc .= $v;
 481             }
 482             elseif (substr($k, 0, 1) == 'B') {
 483                if ($send_to_bcc)
 484                   $send_to_bcc .= ', ';
 485                $send_to_bcc .= $v;
 486             }
 487          }
 488       }
 489
 490       showInputForm();
 491    } else if (isset($html_addr_search)) {
 492       if (isset($HTTP_POST_FILES['attachfile']) &&
 493           $HTTP_POST_FILES['attachfile']['tmp_name'] &&
 494           $HTTP_POST_FILES['attachfile']['tmp_name'] != 'none')
 495       {
 496           if (saveAttachedFiles())
 497                 plain_error_message(_("Could not move/copy file. File not attached"), $color);
 498       }
 499       // I am using an include so as to elminiate an extra unnecessary click.  If you
 500       // can think of a better way, please implement it.
 501       include ("./addrbook_search_html.php");
 502    } else if (isset($attach)) {
 503       if (saveAttachedFiles())
 504             plain_error_message(_("Could not move/copy file. File not attached"), $color);
 505       displayPageHeader($color, $mailbox);
 506       showInputForm();
 507    } else if (isset($do_delete)) {
 508       displayPageHeader($color, $mailbox);
 509
 510       if (isset($delete) && is_array($delete))
 511       {
 512          foreach($delete as $index)
 513          {
 514             unlink ($attachment_dir.$attachments[$index]['localfilename']);
 515             unset ($attachments[$index]);
 516          }
 517       }
 518
 519       showInputForm();
 520    } else {
 521       // This handles the default case as well as the error case
 522       // (they had the same code) --> if (isset($smtpErrors))
 523       $imapConnection = sqimap_login($username, $key, $imapServerAddress,
 524           $imapPort, 0);
 525       displayPageHeader($color, $mailbox);
 526
 527       $newmail = true;
 528
 529       ClearAttachments();
 530
 531       if (isset($forward_id) && $forward_id && isset($ent_num) && $ent_num)
 532           getAttachments(0);
 533
 534       newMail();
 535       showInputForm();
 536       sqimap_logout($imapConnection);
 537    }
 538
 539
 540
 541
 542    function ClearAttachments() {
 543        global $attachments, $attachment_dir;
 544
 545        foreach ($attachments as $info) {
 546            if (file_exists($attachment_dir . $info['localfilename'])) {
 547                unlink($attachment_dir . $info['localfilename']);
 548            }
 549        }
 550
 551        $attachments = array();
 552    }
 553
 554 ?>