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    session_start();
  19
  20    if (!isset($strings_php))
  21       include("../functions/strings.php");
  22    if (!isset($config_php))
  23       include("../config/config.php");
  24    if (!isset($page_header_php))
  25       include("../functions/page_header.php");
  26    if (!isset($imap_php))
  27       include("../functions/imap.php");
  28    if (!isset($date_php))
  29       include("../functions/date.php");
  30    if (!isset($mime_php))
  31       include("../functions/mime.php");
  32    if (!isset($smtp_php))
  33       include("../functions/smtp.php");
  34    if (!isset($display_messages_php))
  35       include("../functions/display_messages.php");
  36    if (!isset($auth_php))
  37       include ("../functions/auth.php");
  38    if (!isset($plugin_php))
  39       include ("../functions/plugin.php");
  40
  41    include("../src/load_prefs.php");
  42
  43    if (!isset($attachments))
  44    {
  45        $attachments = array();
  46        session_register('attachments');
  47    }
  48
  49    // This function is used when not sending or adding attachments
  50    function newMail () {
  51       global $forward_id, $imapConnection, $msg, $ent_num, $body_ary, $body,
  52          $reply_id, $send_to, $send_to_cc, $mailbox, $send_to_bcc, $editor_size;
  53
  54       $send_to = decodeHeader($send_to);
  55       $send_to_cc = decodeHeader($send_to_cc);
  56       $send_to_bcc = decodeHeader($send_to_bcc);
  57
  58       if ($forward_id)
  59          $id = $forward_id;
  60       elseif ($reply_id)
  61          $id = $reply_id;
  62
  63
  64       if (isset($id)) {
  65          sqimap_mailbox_select($imapConnection, $mailbox);
  66          $message = sqimap_get_message($imapConnection, $id, $mailbox);
  67          $orig_header = $message->header;
  68          if ($ent_num)
  69             $message = getEntity($message, $ent_num);
  70
  71          if ($message->header->type0 == "text" || $message->header->type1 == "message") {
  72             if ($ent_num)
  73                $body = decodeBody(mime_fetch_body($imapConnection, $id, $ent_num), $message->header->encoding);
  74             else
  75                $body = decodeBody(mime_fetch_body($imapConnection, $id, 1), $message->header->encoding);
  76          } else {
  77             $body = "";
  78          }
  79
  80          if ($message->header->type1 == "html")
  81             $body = strip_tags($body);
  82
  83          sqUnWordWrap($body);
  84          $body_ary = explode("\n", $body);
  85          $i = count($body_ary) - 1;
  86          while ($i >= 0 && ereg("^[>\\s]*$", $body_ary[$i])) {
  87             unset($body_ary[$i]);
  88             $i --;
  89          }
  90          $body = "";
  91          for ($i=0; isset($body_ary[$i]); $i++) {
  92             if (! $forward_id)
  93             {
  94                 if (ereg('^[\\s>]+', $body_ary[$i]))
  95                 {
  96                     $body_ary[$i] = '>' . $body_ary[$i];
  97                 }
  98                 else
  99                 {
 100                     $body_ary[$i] = '> ' . $body_ary[$i];
 101                 }
 102             }
 103             sqWordWrap($body_ary[$i], $editor_size - 1);
 104             $body .= $body_ary[$i] . "\n";
 105             unset($body_ary[$i]);
 106          }
 107          if ($forward_id)
 108          {
 109              $bodyTop =  "-------- " . _("Original Message") . " --------\n";
 110              $bodyTop .= _("Subject") . ": " . $orig_header->subject . "\n";
 111              $bodyTop .= _("From") . ": " . $orig_header->from . "\n";
 112              $bodyTop .= _("To") . ": " . $orig_header->to[0] . "\n";
 113              if (count($orig_header->to) > 1) {
 114                  for ($x=1; $x < count($orig_header->to); $x++) {
 115                      $bodyTop .= "         " . $orig_header->to[$x] . "\n";
 116                  }
 117              }
 118              $bodyTop .= "\n";
 119              $body = $bodyTop . $body;
 120          }
 121
 122          return;
 123       }
 124
 125       if (!$send_to) {
 126          $send_to = sqimap_find_email($send_to);
 127       }
 128
 129       /** This formats a CC string if they hit "reply all" **/
 130       if ($send_to_cc != "") {
 131          $send_to_cc = ereg_replace( '"[^"]*"', "", $send_to_cc);
 132          $send_to_cc = ereg_replace(";", ",", $send_to_cc);
 133          $sendcc = explode(",", $send_to_cc);
 134          $send_to_cc = "";
 135
 136          for ($i = 0; $i < count($sendcc); $i++) {
 137             $sendcc[$i] = trim($sendcc[$i]);
 138             if ($sendcc[$i] == "")
 139                continue;
 140
 141             $sendcc[$i] = sqimap_find_email($sendcc[$i]);
 142             $whofrom = sqimap_find_displayable_name($msg["HEADER"]["FROM"]);
 143             $whoreplyto = sqimap_find_email($msg["HEADER"]["REPLYTO"]);
 144
 145             if ((strtolower(trim($sendcc[$i])) != strtolower(trim($whofrom))) &&
 146                 (strtolower(trim($sendcc[$i])) != strtolower(trim($whoreplyto))) &&
 147                 (trim($sendcc[$i]) != "")) {
 148                $send_to_cc .= trim($sendcc[$i]) . ", ";
 149             }
 150          }
 151          $send_to_cc = trim($send_to_cc);
 152          if (substr($send_to_cc, -1) == ",") {
 153             $send_to_cc = substr($send_to_cc, 0, strlen($send_to_cc) - 1);
 154          }
 155       }
 156    } // function newMail()
 157
 158    function getAttachments($message) {
 159       global $mailbox, $attachments, $attachment_dir, $imapConnection,
 160              $ent_num, $forward_id;
 161
 162       if (!$message) {
 163            sqimap_mailbox_select($imapConnection, $mailbox);
 164            $message = sqimap_get_message($imapConnection, $forward_id,
 165                $mailbox);
 166       }
 167
 168       if (count($message->entities) == 0) {
 169           if ($message->header->entity_id != $ent_num) {
 170               $filename = decodeHeader($message->header->filename);
 171
 172               if ($filename == "")
 173                   $filename = "untitled-".$message->header->entity_id;
 174
 175               $localfilename = GenerateRandomString(32, '', 7);
 176               while (file_exists($attachment_dir . $localfilename))
 177                   $localfilename = GenerateRandomString(32, '', 7);
 178
 179               $newAttachment['localfilename'] = $localfilename;
 180               $newAttachment['remotefilename'] = $filename;
 181               $newAttachment['type0'] = strtolower($message->header->type0 .
 182                  '/' . $message->header->type1);
 183
 184               // Write Attachment to file
 185               $fp = fopen ($attachment_dir.$localfilename, 'w');
 186               fputs ($fp, decodeBody(mime_fetch_body($imapConnection,
 187                   $forward_id, $message->header->entity_id),
 188                   $message->header->encoding));
 189               fclose ($fp);
 190
 191               $attachments[] = $newAttachment;
 192           }
 193       } else {
 194           for ($i = 0; $i < count($message->entities); $i++) {
 195               getAttachments($message->entities[$i]);
 196           }
 197       }
 198       return;
 199    }
 200
 201    function showInputForm () {
 202       global $send_to, $send_to_cc, $reply_subj, $forward_subj, $body,
 203          $passed_body, $color, $use_signature, $signature, $prefix_sig,
 204          $editor_size, $attachments, $subject, $newmail,
 205          $use_javascript_addr_book, $send_to_bcc, $reply_id, $mailbox,
 206          $from_htmladdr_search, $location_of_buttons;
 207
 208       $subject = decodeHeader($subject);
 209       $reply_subj = decodeHeader($reply_subj);
 210       $forward_subj = decodeHeader($forward_subj);
 211
 212       if ($use_javascript_addr_book) {
 213          echo "\n<SCRIPT LANGUAGE=JavaScript><!--\n";
 214          echo "function open_abook() { \n";
 215          echo "  var nwin = window.open(\"addrbook_popup.php\",\"abookpopup\",";
 216          echo "\"width=670,height=300,resizable=yes,scrollbars=yes\");\n";
 217          echo "  if((!nwin.opener) && (document.windows != null))\n";
 218          echo "    nwin.opener = document.windows;\n";
 219          echo "}\n";
 220          echo "// --></SCRIPT>\n\n";
 221       }
 222
 223       echo "\n<FORM name=compose action=\"compose.php\" METHOD=POST ENCTYPE=\"multipart/form-data\"";
 224       do_hook("compose_form");
 225           echo ">\n";
 226       if ($reply_id) {
 227          echo "<input type=hidden name=reply_id value=$reply_id>\n";
 228       }
 229       printf("<INPUT TYPE=hidden NAME=mailbox VALUE=\"%s\">\n", htmlspecialchars($mailbox));
 230       echo "<TABLE WIDTH=\"100%\" ALIGN=center CELLSPACING=0 BORDER=0>\n";
 231
 232       if ($location_of_buttons == 'top') showComposeButtonRow();
 233
 234       echo "   <TR>\n";
 235       echo "      <TD BGCOLOR=\"$color[4]\" ALIGN=RIGHT>\n";
 236       echo _("To:");
 237       echo "      </TD><TD BGCOLOR=\"$color[4]\">\n";
 238       printf("         <INPUT TYPE=text NAME=\"send_to\" VALUE=\"%s\" SIZE=60><BR>\n",
 239              htmlspecialchars($send_to));
 240       echo "      </TD>\n";
 241       echo "   </TR>\n";
 242       echo "   <TR>\n";
 243       echo "      <TD BGCOLOR=\"$color[4]\" ALIGN=RIGHT>\n";
 244       echo _("CC:");
 245       echo "      </TD><TD BGCOLOR=\"$color[4]\" ALIGN=LEFT>\n";
 246       printf("         <INPUT TYPE=text NAME=\"send_to_cc\" SIZE=60 VALUE=\"%s\"><BR>\n",
 247              htmlspecialchars($send_to_cc));
 248       echo "      </TD>\n";
 249       echo "   </TR>\n";
 250       echo "   <TR>\n";
 251       echo "      <TD BGCOLOR=\"$color[4]\" ALIGN=RIGHT>\n";
 252       echo _("BCC:");
 253       echo "      </TD><TD BGCOLOR=\"$color[4]\" ALIGN=LEFT>\n";
 254       printf("         <INPUT TYPE=text NAME=\"send_to_bcc\" VALUE=\"%s\" SIZE=60><BR>\n",
 255              htmlspecialchars($send_to_bcc));
 256       echo "</TD></TR>\n";
 257
 258       echo "   <TR>\n";
 259       echo "      <TD BGCOLOR=\"$color[4]\" ALIGN=RIGHT>\n";
 260       echo _("Subject:");
 261       echo "      </TD><TD BGCOLOR=\"$color[4]\" ALIGN=LEFT>\n";
 262       if ($reply_subj) {
 263          $reply_subj = str_replace("\"", "'", $reply_subj);
 264          $reply_subj = trim($reply_subj);
 265          if (substr(strtolower($reply_subj), 0, 3) != "re:")
 266             $reply_subj = "Re: $reply_subj";
 267          printf("         <INPUT TYPE=text NAME=subject SIZE=60 VALUE=\"%s\">",
 268                 htmlspecialchars($reply_subj));
 269       } else if ($forward_subj) {
 270          $forward_subj = trim($forward_subj);
 271          if ((substr(strtolower($forward_subj), 0, 4) != 'fwd:') &&
 272              (substr(strtolower($forward_subj), 0, 5) != '[fwd:') &&
 273              (substr(strtolower($forward_subj), 0, 6) != '[ fwd:'))
 274             $forward_subj = "[Fwd: $forward_subj]";
 275          printf("         <INPUT TYPE=text NAME=subject SIZE=60 VALUE=\"%s\">",
 276                 htmlspecialchars($forward_subj));
 277       } else {
 278           printf("         <INPUT TYPE=text NAME=subject SIZE=60 VALUE=\"%s\">",
 279                 htmlspecialchars($subject));
 280       }
 281       echo "</td></tr>\n\n";
 282
 283       if ($location_of_buttons == 'between') showComposeButtonRow();
 284
 285       echo "   <TR>\n";
 286       echo "      <TD BGCOLOR=\"$color[4]\" COLSPAN=2>\n";
 287       echo "         &nbsp;&nbsp;<TEXTAREA NAME=body ROWS=20 COLS=\"$editor_size\" WRAP=HARD>";
 288       echo htmlspecialchars($body);
 289       if ($use_signature == true && $newmail == true && !isset($from_htmladdr_search)) {
 290         if ( $prefix_sig == true )
 291           echo "\n\n-- \n" . htmlspecialchars($signature);
 292         else
 293           echo "\n\n" . htmlspecialchars($signature);
 294       }
 295       echo "</TEXTAREA><BR>\n";
 296       echo "      </TD>\n";
 297       echo "   </TR>\n";
 298
 299       if ($location_of_buttons == 'bottom')
 300          showComposeButtonRow();
 301       else {
 302          echo "   <TR><TD>&nbsp;</TD><TD ALIGN=LEFT><INPUT TYPE=SUBMIT NAME=send VALUE=\""._("Send")."\"></TD></TR>\n";
 303       }
 304
 305       // This code is for attachments
 306       echo "   <tr>\n";
 307       echo "     <TD BGCOLOR=\"$color[0]\" VALIGN=TOP ALIGN=RIGHT>\n";
 308       echo "      <SMALL><BR></SMALL>"._("Attach:");
 309       echo "      </td><td ALIGN=left BGCOLOR=\"$color[0]\">\n";
 310       echo "      <INPUT NAME=\"attachfile\" SIZE=48 TYPE=\"file\">\n";
 311       echo "      &nbsp;&nbsp;<input type=\"submit\" name=\"attach\"";
 312       echo " value=\"" . _("Add") ."\">\n";
 313       echo "     </td>\n";
 314       echo "   </tr>\n";
 315       if (count($attachments))
 316       {
 317          echo "<tr><td bgcolor=\"$color[0]\" align=right>\n";
 318          echo "&nbsp;";
 319          echo "</td><td align=left bgcolor=\"$color[0]\">";
 320          foreach ($attachments as $key => $info) {
 321             echo "<input type=\"checkbox\" name=\"delete[]\" value=\"$key\">\n";
 322             echo $info['remotefilename'] . "<br>\n";
 323          }
 324
 325          echo "<input type=\"submit\" name=\"do_delete\" value=\""._("Delete selected attachments")."\">\n";
 326          echo "</td></tr>";
 327       }
 328       // End of attachment code
 329
 330       echo "</TABLE>\n";
 331       echo "</FORM>";
 332       do_hook("compose_bottom");
 333    }
 334
 335    function showComposeButtonRow() {
 336       global $use_javascript_addr_book;
 337
 338       echo "   <TR><td>\n   </td><td>\n";
 339       if ($use_javascript_addr_book) {
 340          echo "      <SCRIPT LANGUAGE=JavaScript><!--\n document.write(\"";
 341          echo "         <input type=button value=\\\""._("Addresses")."\\\" onclick='javascript:open_abook();'>\");";
 342          echo "         // --></SCRIPT><NOSCRIPT>\n";
 343          echo "         <input type=submit name=\"html_addr_search\" value=\""._("Addresses")."\">";
 344          echo "      </NOSCRIPT>\n";
 345       } else {
 346          echo "      <input type=submit name=\"html_addr_search\" value=\""._("Addresses")."\">";
 347       }
 348       echo "\n    <INPUT TYPE=SUBMIT NAME=send VALUE=\"". _("Send") . "\">\n";
 349
 350       do_hook("compose_button_row");
 351
 352       echo "   </TD>\n";
 353       echo "   </TR>\n\n";
 354    }
 355
 356    function checkInput ($show) {
 357       /** I implemented the $show variable because the error messages
 358           were getting sent before the page header.  So, I check once
 359           using $show=false, and then when i'm ready to display the
 360           error message, show=true **/
 361       global $body, $send_to, $subject, $color;
 362
 363       if ($send_to == "") {
 364          if ($show)
 365             plain_error_message(_("You have not filled in the \"To:\" field."), $color);
 366          return false;
 367       }
 368       return true;
 369    } // function checkInput()
 370
 371
 372    // True if FAILURE
 373    function saveAttachedFiles() {
 374       global $HTTP_POST_FILES, $attachment_dir, $attachments;
 375
 376       is_logged_in();
 377       $localfilename = GenerateRandomString(32, '', 7);
 378       while (file_exists($attachment_dir . $localfilename))
 379           $localfilename = GenerateRandomString(32, '', 7);
 380
 381       if (!@rename($HTTP_POST_FILES['attachfile']['tmp_name'], $attachment_dir.$localfilename)) {
 382          if (!@copy($HTTP_POST_FILES['attachfile']['tmp_name'], $attachment_dir.$localfilename)) {
 383             return true;
 384          }
 385       }
 386
 387       $newAttachment['localfilename'] = $localfilename;
 388       $newAttachment['remotefilename'] = $HTTP_POST_FILES['attachfile']['name'];
 389       $newAttachment['type'] =
 390          strtolower($HTTP_POST_FILES['attachfile']['type']);
 391
 392       $attachments[] = $newAttachment;
 393     }
 394
 395    function SqConvertRussianCharsets(){
 396     //
 397     // This function is here because Russian Apache is a bastard when it comes to
 398     // attachments. The solution is to turn off attachment recoding for multipart
 399     // forms and do it manually.
 400     // See graf@relhum.org for support.
 401     //
 402     global $CHARSET, $SOURCE_CHARSET, $send_to, $send_to_cc, $send_to_bcc, $subject, $body;
 403     $charset_ary = array("koi8-r" => "k",
 404                          "windows-1251" => "w",
 405                          "ibm866" => "a",
 406                          "ISO-8859-5" => "i");
 407     $body = convert_cyr_string($body, $charset_ary[$CHARSET], $charset_ary[$SOURCE_CHARSET]);
 408     $send_to = convert_cyr_string($send_to, $charset_ary[$CHARSET], $charset_ary[$SOURCE_CHARSET]);
 409     $send_to_cc = convert_cyr_string($send_to_cc, $charset_ary[$CHARSET], $charset_ary[$SOURCE_CHARSET]);
 410     $send_to_bcc = convert_cyr_string($send_to_bcc, $charset_ary[$CHARSET], $charset_ary[$SOURCE_CHARSET]);
 411     $subject = convert_cyr_string($subject, $charset_ary[$CHARSET], $charset_ary[$SOURCE_CHARSET]);
 412    } // end SqConvertRussianCharsets()
 413
 414    // Russian Apache sets $CHARSET. See if this is Russian Apache.
 415    // If so, check if the source charset (koi8-r) is different from the
 416    // one submitted by the browser. If so, recode the parts of the form
 417    // to the needed format so SM can proceed and not mangle the cyrillic
 418    // input.
 419    // See graf@relhum.org for support.
 420    //
 421    if (isset($CHARSET) && $CHARSET != $SOURCE_CHARSET) SqConvertRussianCharsets();
 422
 423    if (!isset($mailbox) || $mailbox == "" || ($mailbox == "None"))
 424       $mailbox = "INBOX";
 425
 426    if (isset($send)) {
 427       if (isset($HTTP_POST_FILES['attachfile']) &&
 428           $HTTP_POST_FILES['attachfile']['tmp_name'] &&
 429           $HTTP_POST_FILES['attachfile']['tmp_name'] != 'none')
 430           $AttachFailure = saveAttachedFiles();
 431       if (checkInput(false) && !isset($AttachFailure)) {
 432          $urlMailbox = urlencode (trim($mailbox));
 433          if (! isset($reply_id))
 434              $reply_id = 0;
 435          // Set $default_charset to correspond with the user's selection
 436          // of language interface.
 437          set_my_charset();
 438          sendMessage($send_to, $send_to_cc, $send_to_bcc, $subject, $body, $reply_id);
 439          header ("Location: right_main.php?mailbox=$urlMailbox&sort=$sort&startMessage=1");
 440       } else {
 441          //$imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 0);
 442          displayPageHeader($color, $mailbox);
 443
 444          if ($AttachFailure)
 445              plain_error_message(_("Could not move/copy file. File not attached"), $color);
 446
 447          checkInput(true);
 448
 449          showInputForm();
 450          //sqimap_logout($imapConnection);
 451       }
 452    } else if (isset($html_addr_search_done)) {
 453       is_logged_in();
 454       displayPageHeader($color, $mailbox);
 455
 456       if (isset($send_to_search) && is_array($send_to_search))
 457       {
 458          for ($i=0; $i < count($send_to_search); $i++) {
 459             if ($send_to)
 460                $send_to .= ", ";
 461             $send_to .= $send_to_search[$i];
 462          }
 463       }
 464
 465       if (isset($send_to_cc_search) && is_array($send_to_cc_search))
 466       {
 467          for ($i=0; $i < count($send_to_cc_search); $i++) {
 468             if ($send_to_cc)
 469                $send_to_cc .= ", ";
 470             $send_to_cc .= $send_to_cc_search[$i];
 471          }
 472       }
 473
 474       if (isset($send_to_bcc_search) && is_array($send_to_bcc_search))
 475       {
 476          for ($i=0; $i < count($send_to_bcc_search); $i++) {
 477             if ($send_to_bcc)
 478                $send_to_bcc .= ", ";
 479             $send_to_bcc .= $send_to_bcc_search[$i];
 480          }
 481       }
 482
 483       showInputForm();
 484    } else if (isset($html_addr_search)) {
 485       // I am using an include so as to elminiate an extra unnecessary click.  If you
 486       // can think of a better way, please implement it.
 487       include ("./addrbook_search_html.php");
 488    } else if (isset($attach)) {
 489       if (saveAttachedFiles())
 490             plain_error_message(_("Could not move/copy file. File not attached"), $color);
 491       displayPageHeader($color, $mailbox);
 492       showInputForm();
 493    } else if (isset($do_delete)) {
 494       is_logged_in();
 495       displayPageHeader($color, $mailbox);
 496
 497       if (isset($delete) && is_array($delete))
 498       {
 499          foreach($delete as $index)
 500          {
 501             unlink ($attachment_dir.$attachments[$index]['localfilename']);
 502             unset ($attachments[$index]);
 503          }
 504       }
 505
 506       showInputForm();
 507    } else {
 508       // This handles the default case as well as the error case
 509       // (they had the same code) --> if (isset($smtpErrors))
 510       $imapConnection = sqimap_login($username, $key, $imapServerAddress,
 511           $imapPort, 0);
 512       displayPageHeader($color, $mailbox);
 513
 514       $newmail = true;
 515
 516       ClearAttachments();
 517
 518       if (isset($forward_id) && $forward_id && isset($ent_num) && $ent_num)
 519           getAttachments(0);
 520
 521       newMail();
 522       showInputForm();
 523       sqimap_logout($imapConnection);
 524    }
 525
 526
 527
 528
 529    function ClearAttachments()
 530    {
 531        global $attachments, $attachment_dir;
 532
 533        foreach ($attachments as $info)
 534        {
 535            if (file_exists($attachment_dir . $info['localfilename']))
 536            {
 537                unlink($attachment_dir . $info['localfilename']);
 538            }
 539        }
 540
 541        $attachments = array();
 542    }
 543
 544 ?>