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/page_header.php");
  20    include("../functions/imap.php");
  21    include("../functions/date.php");
  22    include("../functions/mime.php");
  23    include("../functions/smtp.php");
  24    include("../functions/display_messages.php");
  25    include ("../functions/plugin.php");
  26    include("../src/load_prefs.php");
  27
  28    if (!isset($attachments))
  29    {
  30        $attachments = array();
  31        session_register('attachments');
  32    }
  33
  34
  35    // This function is used when not sending or adding attachments
  36    function newMail () {
  37       global $forward_id, $imapConnection, $msg, $ent_num, $body_ary, $body,
  38          $reply_id, $send_to, $send_to_cc, $mailbox, $send_to_bcc, $editor_size;
  39
  40       $send_to = decodeHeader($send_to);
  41       $send_to_cc = decodeHeader($send_to_cc);
  42       $send_to_bcc = decodeHeader($send_to_bcc);
  43
  44       if ($forward_id)
  45          $id = $forward_id;
  46       elseif ($reply_id)
  47          $id = $reply_id;
  48
  49
  50       if (isset($id)) {
  51          sqimap_mailbox_select($imapConnection, $mailbox);
  52          $message = sqimap_get_message($imapConnection, $id, $mailbox);
  53          $orig_header = $message->header;
  54          if ($ent_num)
  55             $message = getEntity($message, $ent_num);
  56
  57          if ($message->header->type0 == "text" || $message->header->type1 == "message") {
  58             if ($ent_num)
  59                $body = decodeBody(mime_fetch_body($imapConnection, $id, $ent_num), $message->header->encoding);
  60             else
  61                $body = decodeBody(mime_fetch_body($imapConnection, $id, 1), $message->header->encoding);
  62          } else {
  63             $body = "";
  64          }
  65
  66          if ($message->header->type1 == "html")
  67             $body = strip_tags($body);
  68
  69          sqUnWordWrap($body);
  70          $body_ary = explode("\n", $body);
  71          $i = count($body_ary) - 1;
  72          while ($i >= 0 && ereg("^[>\\s]*$", $body_ary[$i])) {
  73             unset($body_ary[$i]);
  74             $i --;
  75          }
  76          $body = "";
  77          for ($i=0; isset($body_ary[$i]); $i++) {
  78             if (! $forward_id)
  79             {
  80                 if (ereg('^[\\s>]+', $body_ary[$i]))
  81                 {
  82                     $body_ary[$i] = '>' . $body_ary[$i];
  83                 }
  84                 else
  85                 {
  86                     $body_ary[$i] = '> ' . $body_ary[$i];
  87                 }
  88             }
  89             sqWordWrap($body_ary[$i], $editor_size - 1);
  90             $body .= $body_ary[$i] . "\n";
  91             unset($body_ary[$i]);
  92          }
  93          if ($forward_id)
  94          {
  95              $bodyTop =  "-------- " . _("Original Message") . " --------\n";
  96              $bodyTop .= _("Subject") . ": " . $orig_header->subject . "\n";
  97              $bodyTop .= _("From") . ": " . $orig_header->from . "\n";
  98              $bodyTop .= _("To") . ": " . $orig_header->to[0] . "\n";
  99              if (count($orig_header->to) > 1) {
 100                  for ($x=1; $x < count($orig_header->to); $x++) {
 101                      $bodyTop .= "         " . $orig_header->to[$x] . "\n";
 102                  }
 103              }
 104              $bodyTop .= "\n";
 105              $body = $bodyTop . $body;
 106          }
 107
 108          return;
 109       }
 110
 111       if (!$send_to) {
 112          $send_to = sqimap_find_email($send_to);
 113       }
 114
 115       /** This formats a CC string if they hit "reply all" **/
 116       if ($send_to_cc != "") {
 117          $send_to_cc = ereg_replace( '"[^"]*"', "", $send_to_cc);
 118          $send_to_cc = ereg_replace(";", ",", $send_to_cc);
 119          $sendcc = explode(",", $send_to_cc);
 120          $send_to_cc = "";
 121
 122          for ($i = 0; $i < count($sendcc); $i++) {
 123             $sendcc[$i] = trim($sendcc[$i]);
 124             if ($sendcc[$i] == "")
 125                continue;
 126
 127             $sendcc[$i] = sqimap_find_email($sendcc[$i]);
 128             $whofrom = sqimap_find_displayable_name($msg["HEADER"]["FROM"]);
 129             $whoreplyto = sqimap_find_email($msg["HEADER"]["REPLYTO"]);
 130
 131             if ((strtolower(trim($sendcc[$i])) != strtolower(trim($whofrom))) &&
 132                 (strtolower(trim($sendcc[$i])) != strtolower(trim($whoreplyto))) &&
 133                 (trim($sendcc[$i]) != "")) {
 134                $send_to_cc .= trim($sendcc[$i]) . ", ";
 135             }
 136          }
 137          $send_to_cc = trim($send_to_cc);
 138          if (substr($send_to_cc, -1) == ",") {
 139             $send_to_cc = substr($send_to_cc, 0, strlen($send_to_cc) - 1);
 140          }
 141       }
 142    } // function newMail()
 143
 144    function getAttachments($message) {
 145       global $mailbox, $attachments, $attachment_dir, $imapConnection,
 146              $ent_num, $forward_id;
 147
 148       if (!$message) {
 149            sqimap_mailbox_select($imapConnection, $mailbox);
 150            $message = sqimap_get_message($imapConnection, $forward_id,
 151                $mailbox);
 152       }
 153
 154       if (count($message->entities) == 0) {
 155           if ($message->header->entity_id != $ent_num) {
 156               $filename = decodeHeader($message->header->filename);
 157
 158               if ($filename == "")
 159                   $filename = "untitled-".$message->header->entity_id;
 160
 161               $localfilename = GenerateRandomString(32, '', 7);
 162               while (file_exists($attachment_dir . $localfilename))
 163                   $localfilename = GenerateRandomString(32, '', 7);
 164
 165               $newAttachment['localfilename'] = $localfilename;
 166               $newAttachment['remotefilename'] = $filename;
 167               $newAttachment['type'] = strtolower($message->header->type0 .
 168                  '/' . $message->header->type1);
 169
 170               // Write Attachment to file
 171               $fp = fopen ($attachment_dir.$localfilename, 'w');
 172               fputs ($fp, decodeBody(mime_fetch_body($imapConnection,
 173                   $forward_id, $message->header->entity_id),
 174                   $message->header->encoding));
 175               fclose ($fp);
 176
 177               $attachments[] = $newAttachment;
 178           }
 179       } else {
 180           for ($i = 0; $i < count($message->entities); $i++) {
 181               getAttachments($message->entities[$i]);
 182           }
 183       }
 184       return;
 185    }
 186
 187    function showInputForm () {
 188       global $send_to, $send_to_cc, $reply_subj, $forward_subj, $body,
 189          $passed_body, $color, $use_signature, $signature, $prefix_sig,
 190          $editor_size, $attachments, $subject, $newmail,
 191          $use_javascript_addr_book, $send_to_bcc, $reply_id, $mailbox,
 192          $from_htmladdr_search, $location_of_buttons, $attachment_dir;
 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 ($location_of_buttons == 'top') showComposeButtonRow();
 219
 220       echo "   <TR>\n";
 221       echo "      <TD BGCOLOR=\"$color[4]\" ALIGN=RIGHT>\n";
 222       echo _("To:");
 223       echo "      </TD><TD BGCOLOR=\"$color[4]\">\n";
 224       printf("         <INPUT TYPE=text NAME=\"send_to\" VALUE=\"%s\" SIZE=60><BR>\n",
 225              htmlspecialchars($send_to));
 226       echo "      </TD>\n";
 227       echo "   </TR>\n";
 228       echo "   <TR>\n";
 229       echo "      <TD BGCOLOR=\"$color[4]\" ALIGN=RIGHT>\n";
 230       echo _("CC:");
 231       echo "      </TD><TD BGCOLOR=\"$color[4]\" ALIGN=LEFT>\n";
 232       printf("         <INPUT TYPE=text NAME=\"send_to_cc\" SIZE=60 VALUE=\"%s\"><BR>\n",
 233              htmlspecialchars($send_to_cc));
 234       echo "      </TD>\n";
 235       echo "   </TR>\n";
 236       echo "   <TR>\n";
 237       echo "      <TD BGCOLOR=\"$color[4]\" ALIGN=RIGHT>\n";
 238       echo _("BCC:");
 239       echo "      </TD><TD BGCOLOR=\"$color[4]\" ALIGN=LEFT>\n";
 240       printf("         <INPUT TYPE=text NAME=\"send_to_bcc\" VALUE=\"%s\" SIZE=60><BR>\n",
 241              htmlspecialchars($send_to_bcc));
 242       echo "</TD></TR>\n";
 243
 244       echo "   <TR>\n";
 245       echo "      <TD BGCOLOR=\"$color[4]\" ALIGN=RIGHT>\n";
 246       echo _("Subject:");
 247       echo "      </TD><TD BGCOLOR=\"$color[4]\" ALIGN=LEFT>\n";
 248       if ($reply_subj) {
 249          $reply_subj = str_replace("\"", "'", $reply_subj);
 250          $reply_subj = trim($reply_subj);
 251          if (substr(strtolower($reply_subj), 0, 3) != "re:")
 252             $reply_subj = "Re: $reply_subj";
 253          printf("         <INPUT TYPE=text NAME=subject SIZE=60 VALUE=\"%s\">",
 254                 htmlspecialchars($reply_subj));
 255       } else if ($forward_subj) {
 256          $forward_subj = trim($forward_subj);
 257          if ((substr(strtolower($forward_subj), 0, 4) != 'fwd:') &&
 258              (substr(strtolower($forward_subj), 0, 5) != '[fwd:') &&
 259              (substr(strtolower($forward_subj), 0, 6) != '[ fwd:'))
 260             $forward_subj = "[Fwd: $forward_subj]";
 261          printf("         <INPUT TYPE=text NAME=subject SIZE=60 VALUE=\"%s\">",
 262                 htmlspecialchars($forward_subj));
 263       } else {
 264           printf("         <INPUT TYPE=text NAME=subject SIZE=60 VALUE=\"%s\">",
 265                 htmlspecialchars($subject));
 266       }
 267       echo "</td></tr>\n\n";
 268
 269       if ($location_of_buttons == 'between') showComposeButtonRow();
 270
 271       echo "   <TR>\n";
 272       echo "      <TD BGCOLOR=\"$color[4]\" COLSPAN=2>\n";
 273       echo "         &nbsp;&nbsp;<TEXTAREA NAME=body ROWS=20 COLS=\"$editor_size\" WRAP=HARD>";
 274       echo htmlspecialchars($body);
 275       if ($use_signature == true && $newmail == true && !isset($from_htmladdr_search)) {
 276         if ( $prefix_sig == true )
 277           echo "\n\n-- \n" . htmlspecialchars($signature);
 278         else
 279           echo "\n\n" . htmlspecialchars($signature);
 280       }
 281       echo "</TEXTAREA><BR>\n";
 282       echo "      </TD>\n";
 283       echo "   </TR>\n";
 284
 285       if ($location_of_buttons == 'bottom')
 286          showComposeButtonRow();
 287       else {
 288          echo "   <TR><TD>&nbsp;</TD><TD ALIGN=LEFT><INPUT TYPE=SUBMIT NAME=send VALUE=\""._("Send")."\"></TD></TR>\n";
 289       }
 290
 291       // This code is for attachments
 292       echo "   <tr>\n";
 293       echo "     <TD BGCOLOR=\"$color[0]\" VALIGN=TOP ALIGN=RIGHT>\n";
 294       echo "      <SMALL><BR></SMALL>"._("Attach:");
 295       echo "      </td><td ALIGN=left BGCOLOR=\"$color[0]\">\n";
 296       echo "      <INPUT NAME=\"attachfile\" SIZE=48 TYPE=\"file\">\n";
 297       echo "      &nbsp;&nbsp;<input type=\"submit\" name=\"attach\"";
 298       echo " value=\"" . _("Add") ."\">\n";
 299       echo "     </td>\n";
 300       echo "   </tr>\n";
 301       if (count($attachments))
 302       {
 303          echo "<tr><td bgcolor=\"$color[0]\" align=right>\n";
 304          echo "&nbsp;";
 305          echo "</td><td align=left bgcolor=\"$color[0]\">";
 306          foreach ($attachments as $key => $info) {
 307             echo "<input type=\"checkbox\" name=\"delete[]\" value=\"$key\">\n";
 308             echo $info['remotefilename'] . " - " . $info['type'] . " (";
 309             echo show_readable_size(filesize($attachment_dir .
 310                 $info['localfilename'])) . ")<br>\n";
 311          }
 312
 313          echo "<input type=\"submit\" name=\"do_delete\" value=\""._("Delete selected attachments")."\">\n";
 314          echo "</td></tr>";
 315       }
 316       // End of attachment code
 317
 318       echo "</TABLE>\n";
 319       echo "</FORM>";
 320       do_hook("compose_bottom");
 321    }
 322
 323    function showComposeButtonRow() {
 324       global $use_javascript_addr_book;
 325
 326       echo "   <TR><td>\n   </td><td>\n";
 327       if ($use_javascript_addr_book) {
 328          echo "      <SCRIPT LANGUAGE=JavaScript><!--\n document.write(\"";
 329          echo "         <input type=button value=\\\""._("Addresses")."\\\" onclick='javascript:open_abook();'>\");";
 330          echo "         // --></SCRIPT><NOSCRIPT>\n";
 331          echo "         <input type=submit name=\"html_addr_search\" value=\""._("Addresses")."\">";
 332          echo "      </NOSCRIPT>\n";
 333       } else {
 334          echo "      <input type=submit name=\"html_addr_search\" value=\""._("Addresses")."\">";
 335       }
 336       echo "\n    <INPUT TYPE=SUBMIT NAME=send VALUE=\"". _("Send") . "\">\n";
 337
 338       do_hook("compose_button_row");
 339
 340       echo "   </TD>\n";
 341       echo "   </TR>\n\n";
 342    }
 343
 344    function checkInput ($show) {
 345       /** I implemented the $show variable because the error messages
 346           were getting sent before the page header.  So, I check once
 347           using $show=false, and then when i'm ready to display the
 348           error message, show=true **/
 349       global $body, $send_to, $subject, $color;
 350
 351       if ($send_to == "") {
 352          if ($show)
 353             plain_error_message(_("You have not filled in the \"To:\" field."), $color);
 354          return false;
 355       }
 356       return true;
 357    } // function checkInput()
 358
 359
 360    // True if FAILURE
 361    function saveAttachedFiles() {
 362       global $HTTP_POST_FILES, $attachment_dir, $attachments;
 363
 364       $localfilename = GenerateRandomString(32, '', 7);
 365       while (file_exists($attachment_dir . $localfilename))
 366           $localfilename = GenerateRandomString(32, '', 7);
 367
 368       if (!@rename($HTTP_POST_FILES['attachfile']['tmp_name'], $attachment_dir.$localfilename)) {
 369          if (!@copy($HTTP_POST_FILES['attachfile']['tmp_name'], $attachment_dir.$localfilename)) {
 370             return true;
 371          }
 372       }
 373
 374       $newAttachment['localfilename'] = $localfilename;
 375       $newAttachment['remotefilename'] = $HTTP_POST_FILES['attachfile']['name'];
 376       $newAttachment['type'] =
 377          strtolower($HTTP_POST_FILES['attachfile']['type']);
 378
 379       $attachments[] = $newAttachment;
 380     }
 381
 382    function SqConvertRussianCharsets(){
 383     //
 384     // This function is here because Russian Apache is a bastard when it comes to
 385     // attachments. The solution is to turn off attachment recoding for multipart
 386     // forms and do it manually.
 387     // See graf@relhum.org for support.
 388     //
 389     global $CHARSET, $SOURCE_CHARSET, $send_to, $send_to_cc, $send_to_bcc, $subject, $body;
 390     $charset_ary = array("koi8-r" => "k",
 391                             "windows-1251" => "w",
 392                          "ibm866" => "a",
 393                          "ISO-8859-5" => "i");
 394     $body = convert_cyr_string($body, $charset_ary[$CHARSET], $charset_ary[$SOURCE_CHARSET]);
 395     $send_to = convert_cyr_string($send_to, $charset_ary[$CHARSET], $charset_ary[$SOURCE_CHARSET]);
 396     $send_to_cc = convert_cyr_string($send_to_cc, $charset_ary[$CHARSET], $charset_ary[$SOURCE_CHARSET]);
 397     $send_to_bcc = convert_cyr_string($send_to_bcc, $charset_ary[$CHARSET], $charset_ary[$SOURCE_CHARSET]);
 398     $subject = convert_cyr_string($subject, $charset_ary[$CHARSET], $charset_ary[$SOURCE_CHARSET]);
 399    } // end SqConvertRussianCharsets()
 400
 401    // Russian Apache sets $CHARSET. See if this is Russian Apache.
 402    // If so, check if the source charset (koi8-r) is different from the
 403    // one submitted by the browser. If so, recode the parts of the form
 404    // to the needed format so SM can proceed and not mangle the cyrillic
 405    // input.
 406    // See graf@relhum.org for support.
 407    //
 408    if (isset($CHARSET) && $CHARSET != $SOURCE_CHARSET) SqConvertRussianCharsets();
 409
 410    if (!isset($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 $default_charset to correspond with the user's selection
 423          // of language interface.
 424          set_my_charset();
 425          do_hook("compose_send");
 426
 427          if (! sendMessage($send_to, $send_to_cc, $send_to_bcc, $subject, $body, $reply_id)) {
 428             showInputForm();
 429             exit();
 430          }
 431          Header("Location: right_main.php?mailbox=$urlMailbox&sort=$sort&startMessage=1");
 432       } else {
 433          //$imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 0);
 434          displayPageHeader($color, $mailbox);
 435
 436          if ($AttachFailure)
 437              plain_error_message(_("Could not move/copy file. File not attached"), $color);
 438
 439          checkInput(true);
 440
 441          showInputForm();
 442          //sqimap_logout($imapConnection);
 443       }
 444    } else if (isset($html_addr_search_done)) {
 445       displayPageHeader($color, $mailbox);
 446
 447       if (isset($send_to_search) && is_array($send_to_search)) {
 448          foreach ($send_to_search as $k => $v) {
 449             if (substr($k, 0, 1) == 'T') {
 450                if ($send_to)
 451                   $send_to .= ', ';
 452                $send_to .= $v;
 453             }
 454             elseif (substr($k, 0, 1) == 'C') {
 455                if ($send_to_cc)
 456                   $send_to_cc .= ', ';
 457                $send_to_cc .= $v;
 458             }
 459             elseif (substr($k, 0, 1) == 'B') {
 460                if ($send_to_bcc)
 461                   $send_to_bcc .= ', ';
 462                $send_to_bcc .= $v;
 463             }
 464          }
 465       }
 466
 467       showInputForm();
 468    } else if (isset($html_addr_search)) {
 469       if (isset($HTTP_POST_FILES['attachfile']) &&
 470           $HTTP_POST_FILES['attachfile']['tmp_name'] &&
 471           $HTTP_POST_FILES['attachfile']['tmp_name'] != 'none')
 472       {
 473           if (saveAttachedFiles())
 474                 plain_error_message(_("Could not move/copy file. File not attached"), $color);
 475       }
 476       // I am using an include so as to elminiate an extra unnecessary click.  If you
 477       // can think of a better way, please implement it.
 478       include ("./addrbook_search_html.php");
 479    } else if (isset($attach)) {
 480       if (saveAttachedFiles())
 481             plain_error_message(_("Could not move/copy file. File not attached"), $color);
 482       displayPageHeader($color, $mailbox);
 483       showInputForm();
 484    } else if (isset($do_delete)) {
 485       displayPageHeader($color, $mailbox);
 486
 487       if (isset($delete) && is_array($delete))
 488       {
 489          foreach($delete as $index)
 490          {
 491             unlink ($attachment_dir.$attachments[$index]['localfilename']);
 492             unset ($attachments[$index]);
 493          }
 494       }
 495
 496       showInputForm();
 497    } else {
 498       // This handles the default case as well as the error case
 499       // (they had the same code) --> if (isset($smtpErrors))
 500       $imapConnection = sqimap_login($username, $key, $imapServerAddress,
 501           $imapPort, 0);
 502       displayPageHeader($color, $mailbox);
 503
 504       $newmail = true;
 505
 506       ClearAttachments();
 507
 508       if (isset($forward_id) && $forward_id && isset($ent_num) && $ent_num)
 509           getAttachments(0);
 510
 511       newMail();
 512       showInputForm();
 513       sqimap_logout($imapConnection);
 514    }
 515
 516
 517
 518
 519    function ClearAttachments() {
 520        global $attachments, $attachment_dir;
 521
 522        foreach ($attachments as $info) {
 523            if (file_exists($attachment_dir . $info['localfilename'])) {
 524                unlink($attachment_dir . $info['localfilename']);
 525            }
 526        }
 527
 528        $attachments = array();
 529    }
 530
 531 ?>