squirrelmail/functions/imap_messages.php
2000-03-24 23:21:14 +00:00

313 lines
12 KiB
PHP
Executable file

<?
/**
** imap_messages.php
**
** This implements functions that manipulate messages
**/
/******************************************************************************
** Copies specified messages to specified folder
******************************************************************************/
function sqimap_messages_copy ($imap_stream, $start, $end, $mailbox) {
fputs ($imap_stream, "a001 COPY $start:$end \"$mailbox\"\r\n");
$read = sqimap_read_data ($imap_stream, "a001", true, $response, $message);
}
/******************************************************************************
** Deletes specified messages and moves them to trash if possible
******************************************************************************/
function sqimap_messages_delete ($imap_stream, $start, $end, $mailbox) {
global $move_to_trash, $trash_folder, $auto_expunge;
if (($move_to_trash == true) && (sqimap_mailbox_exists($imap_stream, $trash_folder))) {
sqimap_messages_copy ($imap_stream, $start, $end, $trash_folder);
sqimap_messages_flag ($imap_stream, $start, $end, "Deleted");
} else {
sqimap_messages_flag ($imap_stream, $start, $end, "Deleted");
}
}
/******************************************************************************
** Sets the specified messages with specified flag
******************************************************************************/
function sqimap_messages_flag ($imap_stream, $start, $end, $flag) {
fputs ($imap_stream, "a001 STORE $start:$end +FLAGS (\\$flag)\r\n");
$read = sqimap_read_data ($imap_stream, "a001", true, $response, $message);
}
/******************************************************************************
** Returns some general header information -- FROM, DATE, and SUBJECT
******************************************************************************/
function sqimap_get_small_header ($imap_stream, $id, &$from, &$subject, &$date) {
fputs ($imap_stream, "a001 FETCH $id:$id RFC822.HEADER.LINES (From Subject Date)\r\n");
$read = sqimap_read_data ($imap_stream, "a001", true, $response, $message);
for ($i = 0; $i < count($read); $i++) {
if (strtolower(substr($read[$i], 0, 5)) == "from:") {
$from = sqimap_find_displayable_name(substr($read[$i], 5));
} else if (strtolower(substr($read[$i], 0, 5)) == "date:") {
$date = substr($read[$i], 5);
} else if (strtolower(substr($read[$i], 0, 8)) == "subject:") {
$subject = htmlspecialchars(substr($read[$i], 8));
if (strlen(trim($subject)) == 0)
$subject = _("(no subject)");
}
}
}
/******************************************************************************
** Returns the flags for the specified messages
******************************************************************************/
function sqimap_get_flags ($imap_stream, $i) {
fputs ($imap_stream, "a001 FETCH $i:$i FLAGS\r\n");
$read = sqimap_read_data ($imap_stream, "a001", true, $response, $message);
if (strpos($read[0], "FLAGS")) {
$tmp = ereg_replace("\(", "", $read[0]);
$tmp = ereg_replace("\)", "", $tmp);
$tmp = str_replace("\\", "", $tmp);
$tmp = substr($tmp, strpos($tmp, "FLAGS")+6, strlen($tmp));
$tmp = trim($tmp);
$flags = explode(" ", $tmp);
} else {
$flags[0] = "None";
}
return $flags;
}
/******************************************************************************
** Returns a message array with all the information about a message. See
** the documentation folder for more information about this array.
******************************************************************************/
function sqimap_get_message ($imap_stream, $id, $mailbox) {
$message["INFO"]["ID"] = $id;
$message["INFO"]["MAILBOX"] = $mailbox;
$message["HEADER"] = sqimap_get_message_header($imap_stream, $id);
$message["ENTITIES"] = sqimap_get_message_body($imap_stream, $message["HEADER"]["BOUNDARY"], $id, $message["HEADER"]["TYPE0"], $message["HEADER"]["TYPE1"], $message["HEADER"]["ENCODING"], $message["HEADER"]["CHARSET"]);
return $message;
}
/******************************************************************************
** Wrapper function that reformats the header information.
******************************************************************************/
function sqimap_get_message_header ($imap_stream, $id) {
fputs ($imap_stream, "a001 FETCH $id:$id BODY[HEADER]\r\n");
$read = sqimap_read_data ($imap_stream, "a001", true, $response, $message);
return sqimap_get_header($imap_stream, $read);
}
/******************************************************************************
** Wrapper function that returns entity headers for use by decodeMime
******************************************************************************/
function sqimap_get_entity_header ($imap_stream, &$read, &$type0, &$type1, &$bound, &$encoding, &$charset, &$filename) {
$header = sqimap_get_header($imap_stream, $read);
$type0 = $header["TYPE0"];
$type1 = $header["TYPE1"];
$bound = $header["BOUNDARY"];
$encoding = $header["ENCODING"];
$charset = $header["CHARSET"];
$filename = $header["FILENAME"];
}
/******************************************************************************
** Queries the IMAP server and gets all header information.
******************************************************************************/
function sqimap_get_header ($imap_stream, $read) {
$i = 0;
// Set up some defaults
$header["TYPE0"] = "text";
$header["TYPE1"] = "plain";
$header["CHARSET"] = "us-ascii";
while ($i < count($read)) {
if (substr($read[$i], 0, 17) == "MIME-Version: 1.0") {
$header["MIME"] = true;
$i++;
}
/** ENCODING TYPE **/
else if (substr(strtolower($read[$i]), 0, 26) == "content-transfer-encoding:") {
$header["ENCODING"] = strtolower(trim(substr($read[$i], 26)));
$i++;
}
/** CONTENT-TYPE **/
else if (strtolower(substr($read[$i], 0, 13)) == "content-type:") {
$cont = strtolower(trim(substr($read[$i], 13)));
if (strpos($cont, ";"))
$cont = substr($cont, 0, strpos($cont, ";"));
if (strpos($cont, "/")) {
$header["TYPE0"] = substr($cont, 0, strpos($cont, "/"));
$header["TYPE1"] = substr($cont, strpos($cont, "/")+1);
} else {
$header["TYPE0"] = $cont;
}
$line = $read[$i];
$i++;
while ( (substr(substr($read[$i], 0, strpos($read[$i], " ")), -1) != ":") && (trim($read[$i]) != "") && (trim($read[$i]) != ")")) {
str_replace("\n", "", $line);
str_replace("\n", "", $read[$i]);
$line = "$line $read[$i]";
$i++;
}
/** Detect the boundary of a multipart message **/
if (strpos(strtolower(trim($line)), "boundary=")) {
$pos = strpos(strtolower($line), "boundary=") + 9;
$bound = trim($line);
if (strpos($line, " ", $pos) > 0) {
$bound = substr($bound, $pos, strpos($line, " ", $pos));
} else {
$bound = substr($bound, $pos);
}
$bound = str_replace("\"", "", $bound);
$header["BOUNDARY"] = $bound;
}
/** Detect the charset **/
if (strpos(strtolower(trim($line)), "charset=")) {
$pos = strpos($line, "charset=") + 8;
$charset = trim($line);
if (strpos($line, " ", $pos) > 0) {
$charset = substr($charset, $pos, strpos($line, " ", $pos));
} else {
$charset = substr($charset, $pos);
}
$charset = str_replace("\"", "", $charset);
$header["CHARSET"] = $charset;
} else {
$header["CHARSET"] = "us-ascii";
}
}
else if (strtolower(substr($read[$i], 0, 20)) == "content-disposition:") {
/** Add better dontent-disposition support **/
$line = $read[$i];
$i++;
while ( (substr(substr($read[$i], 0, strpos($read[$i], " ")), -1) != ":") && (trim($read[$i]) != "") && (trim($read[$i]) != ")")) {
str_replace("\n", "", $line);
str_replace("\n", "", $read[$i]);
$line = "$line $read[$i]";
$i++;
}
/** Detects filename if any **/
if (strpos(strtolower(trim($line)), "filename=")) {
$pos = strpos($line, "filename=") + 9;
$name = trim($line);
if (strpos($line, " ", $pos) > 0) {
$name = substr($name, $pos, strpos($line, " ", $pos));
} else {
$name = substr($name, $pos);
}
$name = str_replace("\"", "", $name);
$header["FILENAME"] = $name;
}
}
/** REPLY-TO **/
else if (strtolower(substr($read[$i], 0, 9)) == "reply-to:") {
$header["REPLYTO"] = trim(substr($read[$i], 9, strlen($read[$i])));
$i++;
}
/** FROM **/
else if (strtolower(substr($read[$i], 0, 5)) == "from:") {
$header["FROM"] = trim(substr($read[$i], 5, strlen($read[$i]) - 6));
if ($header["REPLYTO"] == "")
$header["REPLYTO"] = $header["FROM"];
$i++;
}
/** DATE **/
else if (strtolower(substr($read[$i], 0, 5)) == "date:") {
$d = substr($read[$i], 5);
$d = trim($d);
$d = ereg_replace(" ", " ", $d);
$d = explode(" ", $d);
$header["DATE"] = getTimeStamp($d);
$i++;
}
/** SUBJECT **/
else if (strtolower(substr($read[$i], 0, 8)) == "subject:") {
$header["SUBJECT"] = trim(substr($read[$i], 8, strlen($read[$i]) - 9));
if (strlen(Chop($header["SUBJECT"])) == 0)
$header["SUBJECT"] = _("(no subject)");
$i++;
}
/** CC **/
else if (strtolower(substr($read[$i], 0, 3)) == "cc:") {
$pos = 0;
$header["CC"][$pos] = trim(substr($read[$i], 4));
$i++;
while ((substr($read[$i], 0, 1) == " ") && (trim($read[$i]) != "")) {
$pos++;
$header["CC"][$pos] = trim($read[$i]);
$i++;
}
}
/** TO **/
else if (strtolower(substr($read[$i], 0, 3)) == "to:") {
$pos = 0;
$header["TO"][$pos] = trim(substr($read[$i], 4));
$i++;
while ((substr($read[$i], 0, 1) == " ") && (trim($read[$i]) != "")){
$pos++;
$header["TO"][$pos] = trim($read[$i]);
$i++;
}
}
/** MESSAGE ID **/
else if (strtolower(substr($read[$i], 0, 11)) == "message-id:") {
$header["MESSAGE-ID"] = trim(substr($read[$i], 11));
$i++;
}
/** ERROR CORRECTION **/
else if (substr($read[$i], 0, 1) == ")") {
if ($header["SUBJECT"] == "")
$header["SUBJECT"] = _("(no subject)");
if ($header["FROM"] == "")
$header["FROM"] = _("(unknown sender)");
if ($header["DATE"] == "")
$header["DATE"] = time();
$i++;
}
else {
$i++;
}
}
return $header;
}
/******************************************************************************
** Returns the body of a message.
******************************************************************************/
function sqimap_get_message_body ($imap_stream, $bound, $id, $type0, $type1, $encoding, $charset) {
fputs ($imap_stream, "a001 FETCH $id:$id BODY[TEXT]\r\n");
$read = sqimap_read_data ($imap_stream, "a001", true, $response, $message);
$i = 0;
$j = 0;
while ($i < count($read)-1) {
if ( ($i != 0) ) {
$bodytmp[$j] = $read[$i];
$j++;
}
$i++;
}
$body = $bodytmp;
return decodeMime($body, $bound, $type0, $type1, $encoding, $charset);
}
?>