squirrelmail/functions/imap_general.php
2000-03-15 12:41:17 +00:00

275 lines
9.9 KiB
PHP
Executable file

<?
/**
** imap.php
**
** This implements all functions that do general imap functions.
**/
/******************************************************************************
** Reads the output from the IMAP stream. If handle_errors is set to true,
** this will also handle all errors that are received. If it is not set,
** the errors will be sent back through $response and $message
******************************************************************************/
function sqimap_read_data ($imap_stream, $pre, $handle_errors, $response, $message) {
global $color;
$read = fgets ($imap_stream, 1024);
$counter = 0;
while ((substr($read, 0, strlen("$pre OK")) != "$pre OK") &&
(substr($read, 0, strlen("$pre BAD")) != "$pre BAD") &&
(substr($read, 0, strlen("$pre NO")) != "$pre NO")) {
$data[$counter] = $read;
$read = fgets ($imap_stream, 1024);
$counter++;
}
if (substr($read, 0, strlen("$pre OK")) == "$pre OK") {
$response = "OK";
$message = trim(substr($read, strlen("$pre OK"), strlen($read)));
}
else if (substr($read, 0, strlen("$pre BAD")) == "$pre BAD") {
$response = "BAD";
$message = trim(substr($read, strlen("$pre BAD"), strlen($read)));
}
else {
$response = "NO";
$message = trim(substr($read, strlen("$pre NO"), strlen($read)));
}
if ($handle_errors == true) {
if ($response == "NO") {
echo "<br><b><font color=$color[2]>";
echo _("ERROR : Could not complete request.");
echo "</b><br>";
echo _("Reason Given: ");
echo "$message</font><br>";
exit;
} else if ($response == "BAD") {
echo "<br><b><font color=$color[2]>";
echo _("ERROR : Bad or malformed request.");
echo "</b><br>";
echo _("Server responded: ");
echo "$message</font><br>";
exit;
}
}
return $data;
}
/******************************************************************************
** Logs the user into the imap server. If $hide is set, no error messages
** will be displayed. This function returns the imap connection handle.
******************************************************************************/
function sqimap_login ($username, $password, $imap_server_address, $hide) {
global $color;
$imap_stream = fsockopen ($imap_server_address, 143, &$error_number, &$error_string);
$server_info = fgets ($imap_stream, 1024);
/** Do some error correction **/
if (!$imap_stream) {
if (!$hide) {
echo "Error connecting to IMAP server: $imap_server_address.<br>\r\n";
echo "$error_number : $error_string<br>\r\n";
}
exit;
}
fputs ($imap_stream, "a001 LOGIN \"$username\" \"$password\"\r\n");
$read = fgets ($imap_stream, 1024);
/** If the connection was not successful, lets see why **/
if (substr($read, 0, 7) != "a001 OK") {
if (!$hide) {
if (substr($read, 0, 8) == "a001 BAD") {
echo "Bad request: $read<br>\r\n";
exit;
} else if (substr($read, 0, 7) == "a001 NO") {
?>
<html>
<body bgcolor=ffffff>
<br>
<center>
<table width=70% noborder bgcolor=ffffff align=center>
<tr>
<td bgcolor=dcdcdc>
<font color=cc0000>
<center>
<? echo _("ERROR") ?>
</center>
</font>
</td>
</tr>
<tr>
<td>
<center>
<? echo _("Unknown user or password incorrect.") ?><br>
<a href="login.php"><? echo _("Click here to try again") ?></a>
</center>
</td>
</tr>
</table>
</center>
</body>
</html>
<?
exit;
} else {
echo "Unknown error: $read<br>";
exit;
}
} else {
exit;
}
}
return $imap_stream;
}
/******************************************************************************
** Simply logs out the imap session
******************************************************************************/
function sqimap_logout ($imap_stream) {
fputs ($imap_stream, "a001 LOGOUT\r\n");
}
/******************************************************************************
** Returns the delimeter between mailboxes: INBOX/Test, or INBOX.Test...
******************************************************************************/
function sqimap_get_delimiter ($imap_stream) {
fputs ($imap_stream, ". LIST \"\" *\r\n");
$read = sqimap_read_data($imap_stream, ".", true, $a, $b);
$quote_position = strpos ($read[0], "\"");
$delim = substr ($read[0], $quote_position+1, 1);
return $delim;
}
/******************************************************************************
** Gets the number of messages in the current mailbox.
******************************************************************************/
function sqimap_get_num_messages ($imap_stream, $mailbox) {
fputs ($imap_stream, "a001 EXAMINE \"$mailbox\"\r\n");
$read_ary = sqimap_read_data ($imap_stream, "a001", true, $result, $message);
for ($i = 0; $i < count($read_ary); $i++) {
if (substr(trim($read_ary[$i]), -6) == EXISTS) {
$array = explode (" ", $read_ary[$i]);
$num = $array[1];
}
}
return $num;
}
/******************************************************************************
** Returns a displayable email address
******************************************************************************/
function sqimap_find_email ($string) {
/** Luke Ehresman <lehresma@css.tayloru.edu>
** <lehresma@css.tayloru.edu>
** lehresma@css.tayloru.edu
**/
if (strpos($string, "<") && strpos($string, ">")) {
$string = substr($string, strpos($string, "<")+1);
$string = substr($string, 0, strpos($string, ">"));
}
return trim($string);
}
/******************************************************************************
** Takes the From: field, and creates a displayable name.
** Luke Ehresman <lkehresman@yahoo.com>
** becomes: Luke Ehresman
** <lkehresman@yahoo.com>
** becomes: lkehresman@yahoo.com
******************************************************************************/
function sqimap_find_displayable_name ($string) {
$string = " ".trim($string);
if (strpos($string, "<") && strpos($string, ">")) {
if (strpos($string, "<") == 1) {
$string = sqimap_find_email($string);
} else {
$string = substr($string, 0, strpos($string, "<"));
}
}
return $string;
}
/******************************************************************************
** Returns the number of unseen messages in this folder
******************************************************************************/
function sqimap_unseen_messages ($imap_stream, &$num_unseen) {
fputs ($imap_stream, "a001 SEARCH UNSEEN NOT DELETED\r\n");
$read_ary = sqimap_read_data ($imap_stream, "a001", true, $result, $message);
$unseen = false;
if (strlen($read_ary[0]) > 10) {
$unseen = true;
$ary = explode (" ", $read_ary[0]);
$num_unseen = count($ary) - 2;
} else {
$unseen = false;
$num_unseen = 0;
}
return $unseen;
}
/******************************************************************************
** Saves a message to a given folder -- used for saving sent messages
******************************************************************************/
function sqimap_append ($imap_stream, $mailbox, $body, $to, $cc, $bcc, $subject, $data_dir, $username, $domain, $version) {
global $sent_folder, $data_dir;
$from = getPref($data_dir, $username, "full_name");
$from_addr = getPref($data_dir, $username, "email_address");
if ($from_addr == "")
$from_addr = "$username@$domain";
$to_list = getLineOfAddrs($to);
$cc_list = getLineOfAddrs($cc);
$bcc_list = getLineOfAddrs($bcc);
if ($from == "")
$from = "<$from_addr>";
else
$from = $from . " <$from_addr>";
$message = "Date: ".date("D, j M Y H:i:s ", mktime()) . timezone() . "\r\n";
$message .= "Subject: $subject\r\n";
$message .= "From: $from\r\n";
$message .= "To: $to_list\r\n";
if ($cc_list) {
$message .= "Cc: $cc_list\r\n"; // Who the CCs are
}
$message .= "Content-Type: text/plain; charset=ISO-8859-1\r\n";
$message .= "Content-Transfer-Encoding: 8bit\r\n";
$message .= "\r\n";
$message .= "$body\r\n";
$message .= "\r\n";
$size = count_chars($message);
fputs ($imap_stream, "a001 APPEND $sent_folder (\\Seen) \{$size}\r\n");
fputs ($imap_stream, "$message");
echo "a001 APPEND $sent_folder (\\Seen) \{$size}<br>";
$read_ary = sqimap_read_data ($imap_stream, "a001", true, $result, $message);
for ($i = 0; $i < count($read_ary); $i++) {
echo $read_ary[$i] . "<BR>";
}
}
?>