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