522 lines
No EOL
15 KiB
PHP
522 lines
No EOL
15 KiB
PHP
<?php
|
|
|
|
/* $Id$ */
|
|
|
|
if (defined('strings_php'))
|
|
return;
|
|
define('strings_php', true);
|
|
|
|
|
|
//*************************************************************************
|
|
// Count the number of occurances of $needle are in $haystack.
|
|
// $needle can be a character or string, and need not occur in $haystack
|
|
//*************************************************************************
|
|
function countCharInString($haystack, $needle) {
|
|
if ($needle == '') return 0;
|
|
return count(explode($needle, $haystack));
|
|
}
|
|
|
|
//*************************************************************************
|
|
// Read from the back of $haystack until $needle is found, or the begining
|
|
// of the $haystack is reached. $needle is a single character
|
|
//*************************************************************************
|
|
function readShortMailboxName($haystack, $needle) {
|
|
if ($needle == '') return $haystack;
|
|
$parts = explode($needle, $haystack);
|
|
$elem = array_pop($parts);
|
|
while ($elem == '' && count($parts))
|
|
{
|
|
$elem = array_pop($parts);
|
|
}
|
|
return $elem;
|
|
}
|
|
|
|
//*************************************************************************
|
|
// Read from the back of $haystack until $needle is found, or the begining
|
|
// of the $haystack is reached. $needle is a single character
|
|
//*************************************************************************
|
|
function readMailboxParent($haystack, $needle) {
|
|
if ($needle == '') return '';
|
|
$parts = explode($needle, $haystack);
|
|
$elem = array_pop($parts);
|
|
while ($elem == '' && count($parts))
|
|
{
|
|
$elem = array_pop($parts);
|
|
}
|
|
return join($needle, $parts);
|
|
}
|
|
|
|
// Searches for the next position in a string minus white space
|
|
function next_pos_minus_white ($haystack, $pos) {
|
|
while (substr($haystack, $pos, 1) == ' ' ||
|
|
substr($haystack, $pos, 1) == "\t" ||
|
|
substr($haystack, $pos, 1) == "\n" ||
|
|
substr($haystack, $pos, 1) == "\r") {
|
|
if ($pos >= strlen($haystack))
|
|
return -1;
|
|
$pos++;
|
|
}
|
|
return $pos;
|
|
}
|
|
|
|
// Wraps text at $wrap characters
|
|
// Has a problem with special HTML characters, so call this before
|
|
// you do character translation.
|
|
// Specifically, ' comes up as 5 characters instead of 1.
|
|
// This should not add newlines to the end of lines.
|
|
function sqWordWrap(&$line, $wrap) {
|
|
ereg("^([\t >]*)([^\t >].*)?$", $line, $regs);
|
|
$beginning_spaces = $regs[1];
|
|
if (isset($regs[2])) {
|
|
$words = explode(' ', $regs[2]);
|
|
} else {
|
|
$words = "";
|
|
}
|
|
|
|
$i = 0;
|
|
$line = $beginning_spaces;
|
|
|
|
while ($i < count($words)) {
|
|
// Force one word to be on a line (minimum)
|
|
$line .= $words[$i];
|
|
$line_len = strlen($beginning_spaces) + strlen($words[$i]) + 2;
|
|
if (isset($words[$i + 1]))
|
|
$line_len += strlen($words[$i + 1]);
|
|
$i ++;
|
|
|
|
// Add more words (as long as they fit)
|
|
while ($line_len < $wrap && $i < count($words)) {
|
|
$line .= ' ' . $words[$i];
|
|
$i++;
|
|
if (isset($words[$i]))
|
|
$line_len += strlen($words[$i]) + 1;
|
|
else
|
|
$line_len += 1;
|
|
}
|
|
|
|
// Skip spaces if they are the first thing on a continued line
|
|
while (!isset($words[$i]) && $i < count($words)) {
|
|
$i ++;
|
|
}
|
|
|
|
// Go to the next line if we have more to process
|
|
if ($i < count($words)) {
|
|
$line .= "\n" . $beginning_spaces;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// Does the opposite of sqWordWrap()
|
|
function sqUnWordWrap(&$body)
|
|
{
|
|
$lines = explode("\n", $body);
|
|
$body = "";
|
|
$PreviousSpaces = "";
|
|
for ($i = 0; $i < count($lines); $i ++)
|
|
{
|
|
ereg("^([\t >]*)([^\t >].*)?$", $lines[$i], $regs);
|
|
$CurrentSpaces = $regs[1];
|
|
if (isset($regs[2]))
|
|
$CurrentRest = $regs[2];
|
|
if ($i == 0)
|
|
{
|
|
$PreviousSpaces = $CurrentSpaces;
|
|
$body = $lines[$i];
|
|
}
|
|
else if ($PreviousSpaces == $CurrentSpaces && // Do the beginnings match
|
|
strlen($lines[$i - 1]) > 65 && // Over 65 characters long
|
|
strlen($CurrentRest)) // and there's a line to continue with
|
|
{
|
|
$body .= ' ' . $CurrentRest;
|
|
}
|
|
else
|
|
{
|
|
$body .= "\n" . $lines[$i];
|
|
$PreviousSpaces = $CurrentSpaces;
|
|
}
|
|
}
|
|
$body .= "\n";
|
|
}
|
|
|
|
|
|
/** Returns an array of email addresses **/
|
|
/* Be cautious of "user@host.com" */
|
|
function parseAddrs($text) {
|
|
if (trim($text) == "")
|
|
return array();
|
|
$text = str_replace(' ', '', $text);
|
|
$text = ereg_replace('"[^"]*"', '', $text);
|
|
$text = ereg_replace('\\([^\\)]*\\)', '', $text);
|
|
$text = str_replace(',', ';', $text);
|
|
$array = explode(';', $text);
|
|
for ($i = 0; $i < count ($array); $i++) {
|
|
$array[$i] = eregi_replace ("^.*[<]", '', $array[$i]);
|
|
$array[$i] = eregi_replace ("[>].*$", '', $array[$i]);
|
|
}
|
|
return $array;
|
|
}
|
|
|
|
/** Returns a line of comma separated email addresses from an array **/
|
|
function getLineOfAddrs($array) {
|
|
if (is_array($array)) {
|
|
$to_line = implode(', ', $array);
|
|
$to_line = ereg_replace(', (, )+', ', ', $to_line);
|
|
$to_line = trim(ereg_replace('^, ', '', $to_line));
|
|
if( substr( $to_line, -1 ) == ',' )
|
|
$to_line = substr( $to_line, 0, -1 );
|
|
} else {
|
|
$to_line = '';
|
|
}
|
|
|
|
return( $to_line );
|
|
}
|
|
|
|
function translateText(&$body, $wrap_at, $charset) {
|
|
global $where, $what; // from searching
|
|
global $color; // color theme
|
|
|
|
require_once('../functions/url_parser.php');
|
|
|
|
$body_ary = explode("\n", $body);
|
|
$PriorQuotes = 0;
|
|
for ($i=0; $i < count($body_ary); $i++) {
|
|
$line = $body_ary[$i];
|
|
if (strlen($line) - 2 >= $wrap_at) {
|
|
sqWordWrap($line, $wrap_at);
|
|
}
|
|
$line = charset_decode($charset, $line);
|
|
$line = str_replace("\t", ' ', $line);
|
|
|
|
parseUrl ($line);
|
|
|
|
$Quotes = 0;
|
|
$pos = 0;
|
|
while (1)
|
|
{
|
|
if ($line[$pos] == ' ')
|
|
{
|
|
$pos ++;
|
|
}
|
|
else if (strpos($line, '>', $pos) === $pos)
|
|
{
|
|
$pos += 4;
|
|
$Quotes ++;
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ($Quotes > 1) {
|
|
if (! isset($color[14]))
|
|
$color[14] = '#FF0000';
|
|
$line = '<FONT COLOR="' . $color[14] . '">' . $line . '</FONT>';
|
|
} elseif ($Quotes) {
|
|
if (! isset($color[13]))
|
|
$color[13] = '#800000';
|
|
$line = '<FONT COLOR="' . $color[13] . '">' . $line . '</FONT>';
|
|
}
|
|
|
|
$body_ary[$i] = $line;
|
|
}
|
|
$body = '<pre>' . implode("\n", $body_ary) . '</pre>';
|
|
}
|
|
|
|
/* SquirrelMail version number -- DO NOT CHANGE */
|
|
global $version;
|
|
$version = '1.2.0 [cvs]';
|
|
|
|
|
|
function find_mailbox_name ($mailbox) {
|
|
if (ereg(" *\"([^\r\n\"]*)\"[ \r\n]*$", $mailbox, $regs))
|
|
return $regs[1];
|
|
ereg(" *([^ \r\n\"]*)[ \r\n]*$",$mailbox,$regs);
|
|
return $regs[1];
|
|
|
|
}
|
|
|
|
function get_location () {
|
|
# This determines the location to forward to relative
|
|
# to your server. If this doesnt work correctly for
|
|
# you (although it should), you can remove all this
|
|
# code except the last two lines, and change the header()
|
|
# function to look something like this, customized to
|
|
# the location of SquirrelMail on your server:
|
|
#
|
|
# http://www.myhost.com/squirrelmail/src/login.php
|
|
|
|
global $PHP_SELF, $SERVER_NAME, $HTTP_HOST, $SERVER_PORT,
|
|
$HTTP_SERVER_VARS;
|
|
|
|
// Get the path
|
|
$path = substr($PHP_SELF, 0, strrpos($PHP_SELF, '/'));
|
|
|
|
// Check if this is a HTTPS or regular HTTP request
|
|
$proto = 'http://';
|
|
// If you have 'SSLOptions +StdEnvVars' in your apache config
|
|
// OR if you have HTTPS in your HTTP_SERVER_VARS
|
|
// OR if you are on port 443
|
|
$getEnvVar = getenv('HTTPS');
|
|
if ((isset($getEnvVar) && !strcasecmp($getEnvVar, 'on')) ||
|
|
(isset($HTTP_SERVER_VARS['HTTPS'])) ||
|
|
(isset($HTTP_SERVER_VARS['SERVER_PORT']) &&
|
|
$HTTP_SERVER_VARS['SERVER_PORT'] == 443)) {
|
|
$proto = 'https://';
|
|
}
|
|
|
|
// Get the hostname from the Host header or server config.
|
|
$host = '';
|
|
if (isset($HTTP_HOST) && !empty($HTTP_HOST))
|
|
{
|
|
$host = $HTTP_HOST;
|
|
}
|
|
else if (isset($SERVER_NAME) && !empty($SERVER_NAME))
|
|
{
|
|
$host = $SERVER_NAME;
|
|
}
|
|
|
|
$port = '';
|
|
if (! strstr($host, ':'))
|
|
{
|
|
if (isset($SERVER_PORT)) {
|
|
if (($SERVER_PORT != 80 && $proto == 'http://')
|
|
|| ($SERVER_PORT != 443 && $proto == 'https://')) {
|
|
$port = sprintf(':%d', $SERVER_PORT);
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($host)
|
|
return $proto . $host . $port . $path;
|
|
|
|
// Fallback is to omit the server name and use a relative URI,
|
|
// although this is not RFC 2616 compliant.
|
|
return $path;
|
|
}
|
|
|
|
|
|
// These functions are used to encrypt the passowrd before it is
|
|
// stored in a cookie.
|
|
function OneTimePadEncrypt ($string, $epad) {
|
|
$pad = base64_decode($epad);
|
|
$encrypted = '';
|
|
for ($i = 0; $i < strlen ($string); $i++) {
|
|
$encrypted .= chr (ord($string[$i]) ^ ord($pad[$i]));
|
|
}
|
|
|
|
return base64_encode($encrypted);
|
|
}
|
|
|
|
function OneTimePadDecrypt ($string, $epad) {
|
|
$pad = base64_decode($epad);
|
|
$encrypted = base64_decode ($string);
|
|
$decrypted = '';
|
|
for ($i = 0; $i < strlen ($encrypted); $i++) {
|
|
$decrypted .= chr (ord($encrypted[$i]) ^ ord($pad[$i]));
|
|
}
|
|
|
|
return $decrypted;
|
|
}
|
|
|
|
|
|
// Randomize the mt_rand() function. Toss this in strings or
|
|
// integers and it will seed the generator appropriately.
|
|
// With strings, it is better to get them long. Use md5() to
|
|
// lengthen smaller strings.
|
|
function sq_mt_seed($Val)
|
|
{
|
|
// if mt_getrandmax() does not return a 2^n - 1 number,
|
|
// this might not work well. This uses $Max as a bitmask.
|
|
$Max = mt_getrandmax();
|
|
|
|
if (! is_int($Val))
|
|
{
|
|
if (function_exists('crc32'))
|
|
{
|
|
$Val = crc32($Val);
|
|
}
|
|
else
|
|
{
|
|
$Str = $Val;
|
|
$Pos = 0;
|
|
$Val = 0;
|
|
$Mask = $Max / 2;
|
|
$HighBit = $Max ^ $Mask;
|
|
while ($Pos < strlen($Str))
|
|
{
|
|
if ($Val & $HighBit)
|
|
{
|
|
$Val = (($Val & $Mask) << 1) + 1;
|
|
}
|
|
else
|
|
{
|
|
$Val = ($Val & $Mask) << 1;
|
|
}
|
|
$Val ^= $Str[$Pos];
|
|
$Pos ++;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($Val < 0)
|
|
$Val *= -1;
|
|
if ($Val = 0)
|
|
return;
|
|
|
|
mt_srand(($Val ^ mt_rand(0, $Max)) & $Max);
|
|
}
|
|
|
|
|
|
// This function initializes the random number generator fairly well.
|
|
// It also only initializes it once, so you don't accidentally get
|
|
// the same 'random' numbers twice in one session.
|
|
function sq_mt_randomize()
|
|
{
|
|
global $REMOTE_PORT, $REMOTE_ADDR, $UNIQUE_ID;
|
|
static $randomized;
|
|
|
|
if ($randomized)
|
|
return;
|
|
|
|
// Global
|
|
sq_mt_seed((int)((double) microtime() * 1000000));
|
|
sq_mt_seed(md5($REMOTE_PORT . $REMOTE_ADDR . getmypid()));
|
|
|
|
// getrusage
|
|
if (function_exists('getrusage')) {
|
|
// Avoid warnings with Win32
|
|
$dat = @getrusage();
|
|
if (isset($dat) && is_array($dat))
|
|
{
|
|
$Str = '';
|
|
foreach ($dat as $k => $v)
|
|
{
|
|
$Str .= $k . $v;
|
|
}
|
|
sq_mt_seed(md5($Str));
|
|
}
|
|
}
|
|
|
|
// Apache-specific
|
|
sq_mt_seed(md5($UNIQUE_ID));
|
|
|
|
$randomized = 1;
|
|
}
|
|
|
|
function OneTimePadCreate ($length=100) {
|
|
sq_mt_randomize();
|
|
|
|
$pad = '';
|
|
for ($i = 0; $i < $length; $i++) {
|
|
$pad .= chr(mt_rand(0,255));
|
|
}
|
|
|
|
return base64_encode($pad);
|
|
}
|
|
|
|
// Check if we have a required PHP-version. Return TRUE if we do,
|
|
// or FALSE if we don't.
|
|
// To check for 4.0.1, use sqCheckPHPVersion(4,0,1)
|
|
// To check for 4.0b3, use sqCheckPHPVersion(4,0,-3)
|
|
// Does not handle betas like 4.0.1b1 or development versions
|
|
function sqCheckPHPVersion($major, $minor, $release) {
|
|
|
|
$ver = phpversion();
|
|
eregi('^([0-9]+)\\.([0-9]+)(.*)', $ver, $regs);
|
|
|
|
// Parse the version string
|
|
$vmajor = strval($regs[1]);
|
|
$vminor = strval($regs[2]);
|
|
$vrel = $regs[3];
|
|
if($vrel[0] == ".")
|
|
$vrel = strval(substr($vrel, 1));
|
|
if($vrel[0] == 'b' || $vrel[0] == 'B')
|
|
$vrel = - strval(substr($vrel, 1));
|
|
if($vrel[0] == 'r' || $vrel[0] == 'R')
|
|
$vrel = - strval(substr($vrel, 2))/10;
|
|
|
|
// Compare major version
|
|
if($vmajor < $major) return false;
|
|
if($vmajor > $major) return true;
|
|
|
|
// Major is the same. Compare minor
|
|
if($vminor < $minor) return false;
|
|
if($vminor > $minor) return true;
|
|
|
|
// Major and minor is the same as the required one.
|
|
// Compare release
|
|
if($vrel >= 0 && $release >= 0) { // Neither are beta
|
|
if($vrel < $release) return false;
|
|
} else if($vrel >= 0 && $release < 0){ // This is not beta, required is beta
|
|
return true;
|
|
} else if($vrel < 0 && $release >= 0){ // This is beta, require not beta
|
|
return false;
|
|
} else { // Both are beta
|
|
if($vrel > $release) return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/* Returns a string showing the size of the message/attachment */
|
|
function show_readable_size($bytes)
|
|
{
|
|
$bytes /= 1024;
|
|
$type = 'k';
|
|
|
|
if ($bytes / 1024 > 1)
|
|
{
|
|
$bytes /= 1024;
|
|
$type = 'm';
|
|
}
|
|
|
|
if ($bytes < 10)
|
|
{
|
|
$bytes *= 10;
|
|
settype($bytes, 'integer');
|
|
$bytes /= 10;
|
|
}
|
|
else
|
|
settype($bytes, 'integer');
|
|
|
|
return $bytes . '<small> ' . $type . '</small>';
|
|
}
|
|
|
|
/* Generates a random string from the caracter set you pass in
|
|
*
|
|
* Flags:
|
|
* 1 = add lowercase a-z to $chars
|
|
* 2 = add uppercase A-Z to $chars
|
|
* 4 = add numbers 0-9 to $chars
|
|
*/
|
|
|
|
function GenerateRandomString($size, $chars, $flags = 0)
|
|
{
|
|
if ($flags & 0x1)
|
|
$chars .= 'abcdefghijklmnopqrstuvwxyz';
|
|
if ($flags & 0x2)
|
|
$chars .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
|
|
if ($flags & 0x4)
|
|
$chars .= '0123456789';
|
|
|
|
if ($size < 1 || strlen($chars) < 1)
|
|
return '';
|
|
|
|
sq_mt_randomize(); // Initialize the random number generator
|
|
|
|
$String = "";
|
|
while (strlen($String) < $size) {
|
|
$String .= $chars[mt_rand(0, strlen($chars))];
|
|
}
|
|
|
|
return $String;
|
|
}
|
|
|
|
function quoteIMAP($str)
|
|
{
|
|
return ereg_replace('(["\\])', '\\\\1', $str);
|
|
}
|
|
|
|
?>
|