503 lines
20 KiB
PHP
Executable file
503 lines
20 KiB
PHP
Executable file
<?php
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/**
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** imap_messages.php
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**
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** This implements functions that manipulate messages
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**
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** $Id$
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**/
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if (defined ('imap_messages_php'))
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return;
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define ('imap_messages_php', true);
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/******************************************************************************
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** Copies specified messages to specified folder
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******************************************************************************/
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function sqimap_messages_copy ($imap_stream, $start, $end, $mailbox) {
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fputs ($imap_stream, sqimap_session_id() . " COPY $start:$end \"$mailbox\"\r\n");
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$read = sqimap_read_data ($imap_stream, sqimap_session_id(), true, $response, $message);
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}
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/******************************************************************************
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** Deletes specified messages and moves them to trash if possible
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******************************************************************************/
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function sqimap_messages_delete ($imap_stream, $start, $end, $mailbox) {
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global $move_to_trash, $trash_folder, $auto_expunge;
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if (($move_to_trash == true) && (sqimap_mailbox_exists($imap_stream, $trash_folder) && ($mailbox != $trash_folder))) {
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sqimap_messages_copy ($imap_stream, $start, $end, $trash_folder);
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sqimap_messages_flag ($imap_stream, $start, $end, "Deleted");
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} else {
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sqimap_messages_flag ($imap_stream, $start, $end, "Deleted");
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}
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}
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/******************************************************************************
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** Sets the specified messages with specified flag
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******************************************************************************/
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function sqimap_messages_flag ($imap_stream, $start, $end, $flag) {
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fputs ($imap_stream, sqimap_session_id() . " STORE $start:$end +FLAGS (\\$flag)\r\n");
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$read = sqimap_read_data ($imap_stream, sqimap_session_id(), true, $response, $message);
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}
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/******************************************************************************
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** Remove specified flag from specified messages
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******************************************************************************/
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function sqimap_messages_remove_flag ($imap_stream, $start, $end, $flag) {
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fputs ($imap_stream, sqimap_session_id() . " STORE $start:$end -FLAGS (\\$flag)\r\n");
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$read = sqimap_read_data ($imap_stream, sqimap_session_id(), true, $response, $message);
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}
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/******************************************************************************
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** Returns some general header information -- FROM, DATE, and SUBJECT
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******************************************************************************/
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class small_header {
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var $from = '', $subject = '', $date = '', $to = '',
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$priority = 0, $message_id = 0, $cc = '';
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}
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function sqimap_get_small_header ($imap_stream, $id, $sent) {
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$res = sqimap_get_small_header_list($imap_stream, array($id), $sent);
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return $res[0];
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}
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// Sort the message list and crunch to be as small as possible
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// (overflow could happen, so make it small if possible)
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function sqimap_message_list_squisher($messages_array) {
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sort($messages_array, SORT_NUMERIC);
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$msgs_str = '';
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while ($messages_array) {
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$start = array_shift($messages_array);
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$end = $start;
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while (isset($messages_array[0]) && $messages_array[0] == $end + 1)
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$end = array_shift($messages_array);
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if ($msgs_str != '')
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$msgs_str .= ',';
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$msgs_str .= $start;
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if ($start != $end)
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$msgs_str .= ':' . $end;
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}
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return $msgs_str;
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}
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function sqimap_get_small_header_list ($imap_stream, $msg_list, $issent) {
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global $squirrelmail_language, $color;
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/* Get the small headers for each message in $msg_list */
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$maxmsg = sizeof($msg_list);
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$msgs_str = sqimap_message_list_squisher($msg_list);
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$results = array();
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$read_list = array();
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$sizes_list = array();
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/* We need to return the data in the same order as the caller supplied
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in $msg_list, but IMAP servers are free to return responses in
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whatever order they wish... So we need to re-sort manually */
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for ($i = 0; $i < sizeof($msg_list); $i++) {
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$id2index[$msg_list[$i]] = $i;
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}
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$query = sqimap_session_id() . " FETCH $msgs_str BODY.PEEK[HEADER.FIELDS (Date To From Cc Subject Message-Id X-Priority Content-Type)]\r\n";
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fputs ($imap_stream, $query);
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$readin_list = sqimap_read_data_list($imap_stream, sqimap_session_id(), true, $response, $message);
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foreach ($readin_list as $r) {
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if (!eregi("^\\* ([0-9]+) FETCH", $r[0], $regs)) {
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set_up_language($squirrelmail_language);
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echo "<br><b><font color=$color[2]>\n";
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echo _("ERROR : Could not complete request.");
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echo "</b><br>\n";
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echo _("Unknown response from IMAP server: ");
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echo $r[0] . "</font><br>\n";
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exit;
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}
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if (! isset($id2index[$regs[1]]) || !count($id2index[$regs[1]])) {
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set_up_language($squirrelmail_language);
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echo "<br><b><font color=$color[2]>\n";
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echo _("ERROR : Could not complete request.");
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echo "</b><br>\n";
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echo _("Unknown message number in reply from server: ");
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echo $regs[1] . "</font><br>\n";
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exit;
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}
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$read_list[$id2index[$regs[1]]] = $r;
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}
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arsort($read_list);
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$query = sqimap_session_id() . " FETCH $msgs_str RFC822.SIZE\r\n";
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fputs ($imap_stream, $query);
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$sizesin_list = sqimap_read_data_list($imap_stream, sqimap_session_id(), true, $response, $message);
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foreach ($sizesin_list as $r) {
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if (!eregi("^\\* ([0-9]+) FETCH", $r[0], $regs)) {
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set_up_language($squirrelmail_language);
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echo "<br><b><font color=$color[2]>\n";
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echo _("ERROR : Could not complete request.");
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echo "</b><br>\n";
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echo _("Unknown response from IMAP server: ");
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echo $r[0] . "</font><br>\n";
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exit;
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}
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if (!count($id2index[$regs[1]])) {
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set_up_language($squirrelmail_language);
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echo "<br><b><font color=$color[2]>\n";
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echo _("ERROR : Could not complete request.");
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echo "</b><br>\n";
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echo _("Unknown messagenumber in reply from server: ");
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echo $regs[1] . "</font><br>\n";
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exit;
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}
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$sizes_list[$id2index[$regs[1]]] = $r;
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}
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arsort($sizes_list);
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for ($msgi = 0; $msgi < $maxmsg; $msgi++) {
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$subject = _("(no subject)");
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$from = _("Unknown Sender");
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$priority = 0;
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$messageid = "<>";
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$cc = "";
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$to = "";
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$date = "";
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$type[0] = "";
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$type[1] = "";
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$read = $read_list[$msgi];
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for ($i = 0; $i < count($read); $i++) {
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if (eregi ("^to:(.*)$", $read[$i], $regs)) {
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//$to = sqimap_find_displayable_name(substr($read[$i], 3));
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$to = $regs[1];
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} else if (eregi ("^from:(.*)$", $read[$i], $regs)) {
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//$from = sqimap_find_displayable_name(substr($read[$i], 5));
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$from = $regs[1];
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} else if (eregi ("^x-priority:(.*)$", $read[$i], $regs)) {
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$priority = trim($regs[1]);
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} else if (eregi ("^message-id:(.*)$", $read[$i], $regs)) {
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$messageid = trim($regs[1]);
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} else if (eregi ("^cc:(.*)$", $read[$i], $regs)) {
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$cc = $regs[1];
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} else if (eregi ("^date:(.*)$", $read[$i], $regs)) {
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$date = $regs[1];
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} else if (eregi ("^subject:(.*)$", $read[$i], $regs)) {
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$subject = htmlspecialchars(trim($regs[1]));
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if ($subject == "")
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$subject = _("(no subject)");
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} else if (eregi ("^content-type:(.*)$", $read[$i], $regs)) {
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$type = strtolower(trim($regs[1]));
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if ($pos = strpos($type, ";"))
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$type = substr($type, 0, $pos);
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$type = explode("/", $type);
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if (! isset($type[1]))
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$type[1] = '';
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}
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}
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if (trim($date) == "") {
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fputs($imap_stream, sqimap_session_id() . " FETCH $msg_list[$msgi] INTERNALDATE\r\n");
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$readdate = sqimap_read_data($imap_stream, sqimap_session_id(), true, $response, $message);
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if (eregi(".*INTERNALDATE \"(.*)\".*", $readdate[0], $regs)) {
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$date_list = explode(" ", trim($regs[1]));
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$date_list[0] = str_replace("-", " ", $date_list[0]);
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$date = implode(" ", $date_list);
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}
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}
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eregi("([0-9]+)[^0-9]*$", $sizes_list[$msgi][0], $regs);
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$size = $regs[1];
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$header = new small_header;
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if ($issent == true)
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$header->from = (trim($to) != '')? $to : _("(only Cc/Bcc)");
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else
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$header->from = $from;
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$header->date = $date;
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$header->subject = $subject;
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$header->to = $to;
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$header->priority = $priority;
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$header->message_id = $messageid;
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$header->cc = $cc;
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$header->size = $size;
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$header->type0 = $type[0];
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$header->type1 = $type[1];
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$result[] = $header;
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}
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return $result;
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}
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/******************************************************************************
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** Returns the flags for the specified messages
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******************************************************************************/
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function sqimap_get_flags ($imap_stream, $i) {
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fputs ($imap_stream, sqimap_session_id() . " FETCH $i:$i FLAGS\r\n");
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$read = sqimap_read_data ($imap_stream, sqimap_session_id(), true, $response, $message);
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if (ereg("FLAGS(.*)", $read[0], $regs))
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return explode(" ", trim(ereg_replace('[\\(\\)\\\\]', '', $regs[1])));
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return Array('None');
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}
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function sqimap_get_flags_list ($imap_stream, $msg_list) {
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$msgs_str = sqimap_message_list_squisher($msg_list);
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for ($i = 0; $i < sizeof($msg_list); $i++) {
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$id2index[$msg_list[$i]] = $i;
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}
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fputs ($imap_stream, sqimap_session_id() . " FETCH $msgs_str FLAGS\r\n");
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$result_list = sqimap_read_data_list ($imap_stream, sqimap_session_id(), true, $response, $message);
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$result_flags = array();
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for ($i = 0; $i < sizeof($result_list); $i++) {
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if (eregi("^\\* ([0-9]+).*FETCH.*FLAGS(.*)", $result_list[$i][0], $regs)
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&& isset($id2index[$regs[1]]) && count($id2index[$regs[1]])) {
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$result_flags[$id2index[$regs[1]]] = explode(" ", trim(ereg_replace('[\\(\\)\\\\]', '', $regs[2])));
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} else {
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set_up_language($squirrelmail_language);
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echo "<br><b><font color=$color[2]>\n";
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echo _("ERROR : Could not complete request.");
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echo "</b><br>\n";
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echo _("Unknown response from IMAP server: ");
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echo $result_list[$i][0] . "</font><br>\n";
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exit;
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}
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}
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arsort($result_flags);
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return $result_flags;
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}
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/******************************************************************************
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** Returns a message array with all the information about a message. See
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** the documentation folder for more information about this array.
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******************************************************************************/
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function sqimap_get_message ($imap_stream, $id, $mailbox) {
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$header = sqimap_get_message_header($imap_stream, $id, $mailbox);
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return sqimap_get_message_body($imap_stream, $header);
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}
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/******************************************************************************
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** Wrapper function that reformats the header information.
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******************************************************************************/
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function sqimap_get_message_header ($imap_stream, $id, $mailbox) {
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fputs ($imap_stream, sqimap_session_id() . " FETCH $id:$id BODY[HEADER]\r\n");
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$read = sqimap_read_data ($imap_stream, sqimap_session_id(), true, $response, $message);
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$header = sqimap_get_header($imap_stream, $read);
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$header->id = $id;
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$header->mailbox = $mailbox;
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return $header;
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}
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/******************************************************************************
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** Wrapper function that returns entity headers for use by decodeMime
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******************************************************************************/
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/*
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function sqimap_get_entity_header ($imap_stream, &$read, &$type0, &$type1, &$bound, &$encoding, &$charset, &$filename) {
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$header = sqimap_get_header($imap_stream, $read);
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$type0 = $header["TYPE0"];
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$type1 = $header["TYPE1"];
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$bound = $header["BOUNDARY"];
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$encoding = $header["ENCODING"];
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$charset = $header["CHARSET"];
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$filename = $header["FILENAME"];
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}
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*/
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/******************************************************************************
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** Queries the IMAP server and gets all header information.
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******************************************************************************/
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function sqimap_get_header ($imap_stream, $read) {
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global $where, $what;
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$hdr = new msg_header();
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$i = 0;
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// Set up some defaults
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$hdr->type0 = "text";
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$hdr->type1 = "plain";
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$hdr->charset = "us-ascii";
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while ($i < count($read)) {
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if (substr($read[$i], 0, 17) == "MIME-Version: 1.0") {
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$hdr->mime = true;
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$i++;
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}
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/** ENCODING TYPE **/
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else if (substr(strtolower($read[$i]), 0, 26) == "content-transfer-encoding:") {
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$hdr->encoding = strtolower(trim(substr($read[$i], 26)));
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$i++;
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}
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/** CONTENT-TYPE **/
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else if (strtolower(substr($read[$i], 0, 13)) == "content-type:") {
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$cont = strtolower(trim(substr($read[$i], 13)));
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if (strpos($cont, ";"))
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$cont = substr($cont, 0, strpos($cont, ";"));
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if (strpos($cont, "/")) {
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$hdr->type0 = substr($cont, 0, strpos($cont, "/"));
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$hdr->type1 = substr($cont, strpos($cont, "/")+1);
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} else {
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$hdr->type0 = $cont;
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}
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$line = $read[$i];
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$i++;
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while ( (substr(substr($read[$i], 0, strpos($read[$i], " ")), -1) != ":") && (trim($read[$i]) != "") && (trim($read[$i]) != ")")) {
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str_replace("\n", "", $line);
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str_replace("\n", "", $read[$i]);
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$line = "$line $read[$i]";
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$i++;
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}
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/** Detect the boundary of a multipart message **/
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if (eregi('boundary="([^"]+)"', $line, $regs)) {
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$hdr->boundary = $regs[1];
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}
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/** Detect the charset **/
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if (strpos(strtolower(trim($line)), "charset=")) {
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$pos = strpos($line, "charset=") + 8;
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$charset = trim($line);
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if (strpos($line, ";", $pos) > 0) {
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$charset = substr($charset, $pos, strpos($line, ";", $pos)-$pos);
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} else {
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$charset = substr($charset, $pos);
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}
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$charset = str_replace("\"", "", $charset);
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$hdr->charset = $charset;
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} else {
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$hdr->charset = "us-ascii";
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}
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}
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else if (strtolower(substr($read[$i], 0, 20)) == "content-disposition:") {
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/** Add better dontent-disposition support **/
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$line = $read[$i];
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$i++;
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while ( (substr(substr($read[$i], 0, strpos($read[$i], " ")), -1) != ":") && (trim($read[$i]) != "") && (trim($read[$i]) != ")")) {
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str_replace("\n", "", $line);
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str_replace("\n", "", $read[$i]);
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$line = "$line $read[$i]";
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$i++;
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}
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/** Detects filename if any **/
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if (strpos(strtolower(trim($line)), "filename=")) {
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$pos = strpos($line, "filename=") + 9;
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$name = trim($line);
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if (strpos($line, " ", $pos) > 0) {
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$name = substr($name, $pos, strpos($line, " ", $pos));
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} else {
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$name = substr($name, $pos);
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}
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$name = str_replace("\"", "", $name);
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$hdr->filename = $name;
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}
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}
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/** REPLY-TO **/
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else if (strtolower(substr($read[$i], 0, 9)) == "reply-to:") {
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$hdr->replyto = trim(substr($read[$i], 9, strlen($read[$i])));
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$i++;
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}
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/** FROM **/
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else if (strtolower(substr($read[$i], 0, 5)) == "from:") {
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$hdr->from = trim(substr($read[$i], 5, strlen($read[$i]) - 6));
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if (! isset($hdr->replyto) || $hdr->replyto == "")
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$hdr->replyto = $hdr->from;
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$i++;
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}
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/** DATE **/
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else if (strtolower(substr($read[$i], 0, 5)) == "date:") {
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$d = substr($read[$i], 5);
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$d = trim($d);
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$d = strtr($d, array(' ' => ' '));
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$d = explode(' ', $d);
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$hdr->date = getTimeStamp($d);
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$i++;
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}
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/** SUBJECT **/
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else if (strtolower(substr($read[$i], 0, 8)) == "subject:") {
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$hdr->subject = trim(substr($read[$i], 8, strlen($read[$i]) - 9));
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if (strlen(Chop($hdr->subject)) == 0)
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$hdr->subject = _("(no subject)");
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if ($where == "SUBJECT") {
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$hdr->subject = eregi_replace($what, "<b>\\0</b>", $hdr->subject);
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}
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$i++;
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}
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/** CC **/
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else if (strtolower(substr($read[$i], 0, 3)) == "cc:") {
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$pos = 0;
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$hdr->cc[$pos] = trim(substr($read[$i], 4));
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$i++;
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while (((substr($read[$i], 0, 1) == " ") || (substr($read[$i], 0, 1) == "\t")) && (trim($read[$i]) != "")){
|
|
$pos++;
|
|
$hdr->cc[$pos] = trim($read[$i]);
|
|
$i++;
|
|
}
|
|
}
|
|
/** TO **/
|
|
else if (strtolower(substr($read[$i], 0, 3)) == "to:") {
|
|
$pos = 0;
|
|
$hdr->to[$pos] = trim(substr($read[$i], 4));
|
|
$i++;
|
|
while (((substr($read[$i], 0, 1) == " ") || (substr($read[$i], 0, 1) == "\t")) && (trim($read[$i]) != "")){
|
|
$pos++;
|
|
$hdr->to[$pos] = trim($read[$i]);
|
|
$i++;
|
|
}
|
|
}
|
|
/** MESSAGE ID **/
|
|
else if (strtolower(substr($read[$i], 0, 11)) == "message-id:") {
|
|
$hdr->message_id = trim(substr($read[$i], 11));
|
|
$i++;
|
|
}
|
|
|
|
|
|
/** ERROR CORRECTION **/
|
|
else if (substr($read[$i], 0, 1) == ")") {
|
|
if (strlen(trim($hdr->subject)) == 0)
|
|
$hdr->subject = _("(no subject)");
|
|
|
|
if (strlen(trim($hdr->from)) == 0)
|
|
$hdr->from = _("(unknown sender)");
|
|
|
|
if (strlen(trim($hdr->date)) == 0)
|
|
$hdr->date = time();
|
|
$i++;
|
|
}
|
|
else {
|
|
$i++;
|
|
}
|
|
}
|
|
return $hdr;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
** Returns the body of a message.
|
|
******************************************************************************/
|
|
function sqimap_get_message_body ($imap_stream, &$header) {
|
|
$id = $header->id;
|
|
return decodeMime($imap_stream, $header);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
** Returns an array with the body structure
|
|
******************************************************************************/
|
|
?>
|