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    }
  47
  48    // This function is used when not sending or adding attachments
  49    function newMail () {
  50       global $forward_id, $imapConnection, $msg, $ent_num, $body_ary, $body,
  51          $reply_id, $send_to, $send_to_cc, $mailbox, $send_to_bcc, $editor_size;
  52
  53       $send_to = decodeHeader($send_to);
  54       $send_to_cc = decodeHeader($send_to_cc);
  55       $send_to_bcc = decodeHeader($send_to_bcc);
  56
  57       if ($forward_id)
  58          $id = $forward_id;
  59       elseif ($reply_id)
  60          $id = $reply_id;
  61
  62
  63       if (isset($id)) {
  64          sqimap_mailbox_select($imapConnection, $mailbox);
  65          $message = sqimap_get_message($imapConnection, $id, $mailbox);
  66          $orig_header = $message->header;
  67          if ($ent_num)
  68             $message = getEntity($message, $ent_num);
  69
  70          if ($message->header->type0 == "text" || $message->header->type1 == "message") {
  71             if ($ent_num)
  72                $body = decodeBody(mime_fetch_body($imapConnection, $id, $ent_num), $message->header->encoding);
  73             else
  74                $body = decodeBody(mime_fetch_body($imapConnection, $id, 1), $message->header->encoding);
  75          } else {
  76             $body = "";
  77          }
  78
  79          if ($message->header->type1 == "html")
  80             $body = strip_tags($body);
  81
  82          sqUnWordWrap($body);
  83          $body_ary = explode("\n", $body);
  84          $i = count($body_ary) - 1;
  85          while ($i >= 0 && ereg("^[>\\s]*$", $body_ary[$i])) {
  86             unset($body_ary[$i]);
  87             $i --;
  88          }
  89          $body = "";
  90          for ($i=0; isset($body_ary[$i]); $i++) {
  91             if (! $forward_id)
  92             {
  93                 if (ereg('^[\\s>]+', $body_ary[$i]))
  94                 {
  95                     $body_ary[$i] = '>' . $body_ary[$i];
  96                 }
  97                 else
  98                 {
  99                     $body_ary[$i] = '> ' . $body_ary[$i];
 100                 }
 101             }
 102             sqWordWrap($body_ary[$i], $editor_size - 1);
 103             $body .= $body_ary[$i] . "\n";
 104             unset($body_ary[$i]);
 105          }
 106          if ($forward_id)
 107          {
 108              $bodyTop =  "-------- " . _("Original Message") . " --------\n";
 109              $bodyTop .= _("Subject") . ": " . $orig_header->subject . "\n";
 110              $bodyTop .= _("From") . ": " . $orig_header->from . "\n";
 111              $bodyTop .= _("To") . ": " . $orig_header->to[0] . "\n";
 112              if (count($orig_header->to) > 1) {
 113                  for ($x=1; $x < count($orig_header->to); $x++) {
 114                      $bodyTop .= "         " . $orig_header->to[$x] . "\n";
 115                  }
 116              }
 117              $bodyTop .= "\n";
 118              $body = $bodyTop . $body;
 119          }
 120
 121          return;
 122       }
 123
 124       if (!$send_to) {
 125          $send_to = sqimap_find_email($send_to);
 126       }
 127
 128       /** This formats a CC string if they hit "reply all" **/
 129       if ($send_to_cc != "") {
 130          $send_to_cc = ereg_replace( '"[^"]*"', "", $send_to_cc);
 131          $send_to_cc = ereg_replace(";", ",", $send_to_cc);
 132          $sendcc = explode(",", $send_to_cc);
 133          $send_to_cc = "";
 134
 135          for ($i = 0; $i < count($sendcc); $i++) {
 136             $sendcc[$i] = trim($sendcc[$i]);
 137             if ($sendcc[$i] == "")
 138                continue;
 139
 140             $sendcc[$i] = sqimap_find_email($sendcc[$i]);
 141             $whofrom = sqimap_find_displayable_name($msg["HEADER"]["FROM"]);
 142             $whoreplyto = sqimap_find_email($msg["HEADER"]["REPLYTO"]);
 143
 144             if ((strtolower(trim($sendcc[$i])) != strtolower(trim($whofrom))) &&
 145                 (strtolower(trim($sendcc[$i])) != strtolower(trim($whoreplyto))) &&
 146                 (trim($sendcc[$i]) != "")) {
 147                $send_to_cc .= trim($sendcc[$i]) . ", ";
 148             }
 149          }
 150          $send_to_cc = trim($send_to_cc);
 151          if (substr($send_to_cc, -1) == ",") {
 152             $send_to_cc = substr($send_to_cc, 0, strlen($send_to_cc) - 1);
 153          }
 154       }
 155    } // function newMail()
 156
 157    function getAttachments($message) {
 158       global $mailbox, $attachments, $attachment_dir, $imapConnection,
 159              $ent_num, $forward_id;
 160
 161       if (!$message) {
 162            sqimap_mailbox_select($imapConnection, $mailbox);
 163            $message = sqimap_get_message($imapConnection, $forward_id,
 164                $mailbox);
 165       }
 166
 167       if (count($message->entities) == 0) {
 168           if ($message->header->entity_id != $ent_num) {
 169               $filename = decodeHeader($message->header->filename);
 170
 171               if ($filename == "")
 172                   $filename = "untitled-".$message->header->entity_id;
 173
 174               $localfilename = GenerateRandomString(32, '', 7);
 175               while (isset($attachments[$localfilename]))
 176                   $localfilename = GenerateRandomString(32, '', 7);
 177
 178               // Write File Info
 179               $fp = fopen ($attachment_dir.$localfilename.".info", "w");
 180               fputs ($fp, strtolower($message->header->type0)."/".
 181                   strtolower($message->header->type1)."\n".$filename."\n");
 182               fclose ($fp);
 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               $attachments[$localfilename] = $filename;
 192           }
 193       } else {
 194           for ($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 = str_replace("\"", "'", $forward_subj);
 271          $forward_subj = trim($forward_subj);
 272          if ((substr(strtolower($forward_subj), 0, 4) != "fwd:") &&
 273              (substr(strtolower($forward_subj), 0, 5) != "[fwd:") &&
 274              (substr(strtolower($forward_subj), 0, 6) != "[ fwd:"))
 275             $forward_subj = "[Fwd: $forward_subj]";
 276          printf("         <INPUT TYPE=text NAME=subject SIZE=60 VALUE=\"%s\">",
 277                 htmlspecialchars($forward_subj));
 278       } else {
 279           printf("         <INPUT TYPE=text NAME=subject SIZE=60 VALUE=\"%s\">",
 280                 htmlspecialchars($subject));
 281       }
 282       echo "</td></tr>\n\n";
 283
 284       if ($location_of_buttons == 'between') showComposeButtonRow();
 285
 286       echo "   <TR>\n";
 287       echo "      <TD BGCOLOR=\"$color[4]\" COLSPAN=2>\n";
 288       echo "         &nbsp;&nbsp;<TEXTAREA NAME=body ROWS=20 COLS=\"$editor_size\" WRAP=HARD>";
 289       echo htmlspecialchars($body);
 290       if ($use_signature == true && $newmail == true && !isset($from_htmladdr_search)) {
 291         if ( $prefix_sig == true )
 292           echo "\n\n-- \n" . htmlspecialchars($signature);
 293         else
 294           echo "\n\n" . htmlspecialchars($signature);
 295       }
 296       echo "</TEXTAREA><BR>\n";
 297       echo "      </TD>\n";
 298       echo "   </TR>\n";
 299
 300       if ($location_of_buttons == 'bottom')
 301          showComposeButtonRow();
 302       else {
 303          echo "   <TR><TD>&nbsp;</TD><TD ALIGN=LEFT><INPUT TYPE=SUBMIT NAME=send VALUE=\""._("Send")."\"></TD></TR>\n";
 304       }
 305
 306       // This code is for attachments
 307       echo "   <tr bgcolor=\"$color[0]\">\n";
 308       echo "     <TD VALIGN=TOP ALIGN=RIGHT>"._("Attach:");
 309       echo "      </td><td ALIGN=left>\n";
 310       echo "      <INPUT NAME=\"attachfile\" SIZE=48 TYPE=\"file\">\n";
 311       echo "      &nbsp;&nbsp;<input type=\"submit\" name=\"attach\"";
 312       echo " value=\"" . _("Add") ."\">\n";
 313       echo "     </td>\n";
 314       echo "   </tr>\n";
 315       if (count($attachments) > 0) {
 316          echo "<tr bgcolor=\"$color[0]\"><td align=right>\n";
 317          echo "&nbsp;";
 318          echo "</td><td align=left>";
 319          foreach ($attachments as $localname => $remotename) {
 320             echo "<input type=\"checkbox\" name=\"delete[]\" value=\"$localname\">\n";
 321             echo "$remotename <input type=\"hidden\" name=\"attachments[$localname]\" value=\"$remotename\"><br>\n";
 322          }
 323
 324          echo "<input type=\"submit\" name=\"do_delete\" value=\""._("Delete selected attachments")."\">\n";
 325          echo "</td></tr>";
 326       }
 327       // End of attachment code
 328
 329       echo "</TABLE>\n";
 330       echo "</FORM>";
 331       do_hook("compose_bottom");
 332    }
 333
 334    function showComposeButtonRow() {
 335       global $use_javascript_addr_book;
 336       echo "   <TR><td>\n   </td><td>\n";
 337       if ($use_javascript_addr_book) {
 338          echo "      <SCRIPT LANGUAGE=JavaScript><!--\n document.write(\"";
 339          echo "         <input type=button value=\\\""._("Addresses")."\\\" onclick='javascript:open_abook();'>\");";
 340          echo "         // --></SCRIPT><NOSCRIPT>\n";
 341          echo "         <input type=submit name=\"html_addr_search\" value=\""._("Addresses")."\">";
 342          echo "      </NOSCRIPT>\n";
 343       } else {
 344          echo "      <input type=submit name=\"html_addr_search\" value=\""._("Addresses")."\">";
 345       }
 346       echo "\n    <INPUT TYPE=SUBMIT NAME=send VALUE=\"". _("Send") . "\">\n";
 347
 348       do_hook("compose_button_row");
 349
 350       echo "   </TD>\n";
 351       echo "   </TR>\n\n";
 352    }
 353
 354    function showSentForm () {
 355       echo "<BR><BR><BR><CENTER><B>Message Sent!</B><BR><BR>";
 356       echo "You will be automatically forwarded.<BR>If not, <A HREF=\"right_main.php\">click here</A>";
 357       echo "</CENTER>";
 358    }
 359
 360    function checkInput ($show) {
 361       /** I implemented the $show variable because the error messages
 362           were getting sent before the page header.  So, I check once
 363           using $show=false, and then when i'm ready to display the
 364           error message, show=true **/
 365       global $body, $send_to, $subject, $color;
 366
 367       if ($send_to == "") {
 368          if ($show)
 369             plain_error_message(_("You have not filled in the \"To:\" field."), $color);
 370          return false;
 371       }
 372       return true;
 373    } // function checkInput()
 374
 375
 376    // True if FAILURE
 377    function saveAttachedFiles() {
 378       global $HTTP_POST_FILES, $attachment_dir, $attachments;
 379
 380       is_logged_in();
 381       $localfilename = GenerateRandomString(32, '', 7);
 382       while (isset($attachments[$localfilename]))
 383           $localfilename = GenerateRandomString(32, '', 7);
 384
 385       if (!@rename($HTTP_POST_FILES['attachfile']['tmp_name'], $attachment_dir.$localfilename)) {
 386          if (!@copy($HTTP_POST_FILES['attachfile']['tmp_name'], $attachment_dir.$localfilename)) {
 387             return true;
 388          }
 389       }
 390
 391       if (!isset($failed) || !$failed) {
 392          // Write information about the file
 393          $fp = fopen ($attachment_dir.$localfilename.".info", "w");
 394          fputs ($fp, $HTTP_POST_FILES['attachfile']['type']."\n".$HTTP_POST_FILES['attachfile']['name']."\n");
 395          fclose ($fp);
 396
 397          $attachments[$localfilename] = $HTTP_POST_FILES['attachfile']['name'];
 398       }
 399     }
 400
 401    function SqConvertRussianCharsets(){
 402     //
 403     // This function is here because Russian Apache is a bastard when it comes to
 404     // attachments. The solution is to turn off attachment recoding for multipart
 405     // forms and do it manually.
 406     // See graf@relhum.org for support.
 407     //
 408     global $CHARSET, $SOURCE_CHARSET, $send_to, $send_to_cc, $send_to_bcc, $subject, $body;
 409     $charset_ary = array("koi8-r" => "k",
 410                          "windows-1251" => "w",
 411                          "ibm866" => "a",
 412                          "ISO-8859-5" => "i");
 413     $body = convert_cyr_string($body, $charset_ary[$CHARSET], $charset_ary[$SOURCE_CHARSET]);
 414     $send_to = convert_cyr_string($send_to, $charset_ary[$CHARSET], $charset_ary[$SOURCE_CHARSET]);
 415     $send_to_cc = convert_cyr_string($send_to_cc, $charset_ary[$CHARSET], $charset_ary[$SOURCE_CHARSET]);
 416     $send_to_bcc = convert_cyr_string($send_to_bcc, $charset_ary[$CHARSET], $charset_ary[$SOURCE_CHARSET]);
 417     $subject = convert_cyr_string($subject, $charset_ary[$CHARSET], $charset_ary[$SOURCE_CHARSET]);
 418    } // end SqConvertRussianCharsets()
 419
 420    // Russian Apache sets $CHARSET. See if this is Russian Apache.
 421    // If so, check if the source charset (koi8-r) is different from the
 422    // one submitted by the browser. If so, recode the parts of the form
 423    // to the needed format so SM can proceed and not mangle the cyrillic
 424    // input.
 425    // See graf@relhum.org for support.
 426    //
 427    if (isset($CHARSET) && $CHARSET != $SOURCE_CHARSET) SqConvertRussianCharsets();
 428
 429    if (!isset($mailbox) || $mailbox == "" || ($mailbox == "None"))
 430       $mailbox = "INBOX";
 431
 432    if(isset($send)) {
 433       if (isset($HTTP_POST_FILES['attachfile']) &&
 434           $HTTP_POST_FILES['attachfile']['tmp_name'] &&
 435           $HTTP_POST_FILES['attachfile']['tmp_name'] != 'none')
 436           $AttachFailure = saveAttachedFiles();
 437       if (checkInput(false) && !isset($AttachFailure)) {
 438          $urlMailbox = urlencode (trim($mailbox));
 439          if (! isset($reply_id))
 440              $reply_id = 0;
 441          // Set $default_charset to correspond with the user's selection
 442          // of language interface.
 443          set_my_charset();
 444          sendMessage($send_to, $send_to_cc, $send_to_bcc, $subject, $body, $reply_id);
 445          header ("Location: right_main.php?mailbox=$urlMailbox&sort=$sort&startMessage=1");
 446       } else {
 447          //$imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 0);
 448          displayPageHeader($color, $mailbox);
 449
 450          if ($AttachFailure)
 451              plain_error_message(_("Could not move/copy file. File not attached"), $color);
 452
 453          checkInput(true);
 454
 455          showInputForm();
 456          //sqimap_logout($imapConnection);
 457       }
 458    } else if (isset($html_addr_search_done)) {
 459       is_logged_in();
 460       displayPageHeader($color, $mailbox);
 461
 462       for ($i=0; $i < count($send_to_search); $i++) {
 463          if ($send_to)
 464             $send_to .= ", ";
 465          $send_to .= $send_to_search[$i];
 466       }
 467
 468       for ($i=0; $i < count($send_to_cc_search); $i++) {
 469          if ($send_to_cc)
 470             $send_to_cc .= ", ";
 471          $send_to_cc .= $send_to_cc_search[$i];
 472       }
 473
 474       showInputForm();
 475    } else if (isset($html_addr_search)) {
 476       // I am using an include so as to elminiate an extra unnecessary click.  If you
 477       // can think of a better way, please implement it.
 478       include ("./addrbook_search_html.php");
 479    } else if (isset($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       is_logged_in();
 486       displayPageHeader($color, $mailbox);
 487
 488       while (list($lkey, $localname) = each($delete)) {
 489          unset ($attachments[$localname]);
 490          unlink ($attachment_dir.$localname);
 491          unlink ($attachment_dir.$localname.".info");
 492       }
 493
 494       showInputForm();
 495    } else {
 496       // This handles the default case as well as the error case
 497       // (they had the same code) --> if (isset($smtpErrors))
 498       $imapConnection = sqimap_login($username, $key, $imapServerAddress,
 499           $imapPort, 0);
 500       displayPageHeader($color, $mailbox);
 501
 502       $newmail = true;
 503       if (isset($forward_id) && $forward_id && isset($ent_num) && $ent_num)
 504           getAttachments(0);
 505
 506       newMail();
 507       showInputForm();
 508       sqimap_logout($imapConnection);
 509    }
 510 ?>