+-----------------------------------------------------------------------+
| rcube_shared.inc |
| |
- | This file is part of the RoundCube PHP suite |
- | Copyright (C) 2005-2007, RoundCube Dev. - Switzerland |
+ | This file is part of the Roundcube PHP suite |
+ | Copyright (C) 2005-2007, The Roundcube Dev Team |
| Licensed under the GNU GPL |
| |
| CONTENTS: |
| Author: Thomas Bruederli <roundcube@gmail.com> |
+-----------------------------------------------------------------------+
- $Id: rcube_shared.inc 2789 2009-07-23 12:14:17Z alec $
+ $Id: rcube_shared.inc 5274 2011-09-23 10:11:27Z alec $
*/
/**
- * RoundCube shared functions
- *
+ * Roundcube shared functions
+ *
* @package Core
*/
*/
function send_nocacheing_headers()
{
+ global $OUTPUT;
+
if (headers_sent())
return;
header("Expires: ".gmdate("D, d M Y H:i:s")." GMT");
header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
- header("Cache-Control: private, must-revalidate, post-check=0, pre-check=0");
- header("Pragma: no-cache");
-
+ // Request browser to disable DNS prefetching (CVE-2010-0464)
+ header("X-DNS-Prefetch-Control: off");
+
// We need to set the following headers to make downloads work using IE in HTTPS mode.
- if (isset($_SERVER['HTTPS'])) {
- header('Pragma: ');
- header('Cache-Control: ');
+ if ($OUTPUT->browser->ie && rcube_https_check()) {
+ header('Pragma: private');
+ header("Cache-Control: private, must-revalidate");
+ } else {
+ header("Cache-Control: private, no-cache, must-revalidate, post-check=0, pre-check=0");
+ header("Pragma: no-cache");
}
}
}
-/**
- * Check request for If-Modified-Since and send an according response.
- * This will terminate the current script if headers match the given values
- *
- * @param int Modified date as unix timestamp
- * @param string Etag value for caching
- */
-function send_modified_header($mdate, $etag=null, $skip_check=false)
-{
- if (headers_sent())
- return;
-
- $iscached = false;
- $etag = $etag ? "\"$etag\"" : null;
-
- if (!$skip_check)
- {
- if ($_SERVER['HTTP_IF_MODIFIED_SINCE'] && strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) >= $mdate)
- $iscached = true;
-
- if ($etag)
- $iscached = ($_SERVER['HTTP_IF_NONE_MATCH'] == $etag);
- }
-
- if ($iscached)
- header("HTTP/1.x 304 Not Modified");
- else
- header("Last-Modified: ".gmdate("D, d M Y H:i:s", $mdate)." GMT");
-
- header("Cache-Control: max-age=0");
- header("Expires: ");
- header("Pragma: ");
-
- if ($etag)
- header("Etag: $etag");
-
- if ($iscached)
- {
- ob_end_clean();
- exit;
- }
-}
-
-
-/**
- * Returns whether an $str is a reserved word for any of the version of Javascript or ECMAScript
- * @param str String to check
- * @return boolean True if $str is a reserver word, False if not
- */
-function is_js_reserved_word($str)
-{
- return in_array($str, array(
- // ECMASript ver 4 reserved words
- 'as','break','case','catch','class','const','continue',
- 'default','delete','do','else','export','extends','false','finally','for','function',
- 'if','import','in','instanceof','is','namespace','new','null','package','private',
- 'public','return','super','switch','this','throw','true','try','typeof','use','var',
- 'void','while','with',
- // ECMAScript ver 4 future reserved words
- 'abstract','debugger','enum','goto','implements','interface','native','protected',
- 'synchronized','throws','transient','volatile',
- // special meaning in some contexts
- 'get','set',
- // were reserved in ECMAScript ver 3
- 'boolean','byte','char','double','final','float','int','long','short','static'
- ));
-}
-
-
-/**
- * Convert a variable into a javascript object notation
- *
- * @param mixed Input value
- * @return string Serialized JSON string
- */
-function json_serialize($var)
-{
- if (is_object($var))
- $var = get_object_vars($var);
-
- if (is_array($var))
- {
- // empty array
- if (!sizeof($var))
- return '[]';
- else
- {
- $keys_arr = array_keys($var);
- $is_assoc = $have_numeric = 0;
-
- for ($i=0; $i<sizeof($keys_arr); ++$i)
- {
- if (is_numeric($keys_arr[$i]))
- $have_numeric = 1;
- if (!is_numeric($keys_arr[$i]) || $keys_arr[$i] != $i)
- $is_assoc = 1;
- if ($is_assoc && $have_numeric)
- break;
- }
-
- $brackets = $is_assoc ? '{}' : '[]';
- $pairs = array();
-
- foreach ($var as $key => $value)
- {
- // enclose key with quotes if it is not variable-name conform
- if (!preg_match('/^[_a-zA-Z]{1}[_a-zA-Z0-9]*$/', $key) || is_js_reserved_word($key))
- $key = "'$key'";
-
- $pairs[] = sprintf("%s%s", $is_assoc ? "$key:" : '', json_serialize($value));
- }
-
- return $brackets{0} . implode(',', $pairs) . $brackets{1};
- }
- }
- else if (!is_string($var) && strval(intval($var)) === strval($var))
- return $var;
- else if (is_bool($var))
- return $var ? '1' : '0';
- else
- return "'".JQ($var)."'";
-}
-
-
-/**
- * Function to convert an array to a javascript array
- * Actually an alias function for json_serialize()
- * @deprecated
- */
-function array2js($arr, $type='')
-{
- return json_serialize($arr);
-}
-
-
/**
* Similar function as in_array() but case-insensitive
*
foreach ($haystack as $value)
if ($needle===mb_strtolower($value))
return true;
-
+
return false;
}
function get_boolean($str)
{
$str = strtolower($str);
- if (in_array($str, array('false', '0', 'no', 'nein', ''), TRUE))
+ if (in_array($str, array('false', '0', 'no', 'off', 'nein', ''), TRUE))
return FALSE;
else
return TRUE;
{
if (is_numeric($str))
return floatval($str);
-
- if (preg_match('/([0-9]+)([a-z])/i', $str, $regs))
+
+ if (preg_match('/([0-9\.]+)\s*([a-z]*)/i', $str, $regs))
{
$bytes = floatval($regs[1]);
switch (strtolower($regs[2]))
{
case 'g':
+ case 'gb':
$bytes *= 1073741824;
break;
case 'm':
+ case 'mb':
$bytes *= 1048576;
break;
case 'k':
+ case 'kb':
$bytes *= 1024;
break;
}
return floatval($bytes);
}
-
+
/**
* Create a human readable string for a number of bytes
*
*/
function show_bytes($bytes)
{
- if ($bytes > 1073741824)
+ if ($bytes >= 1073741824)
{
$gb = $bytes/1073741824;
$str = sprintf($gb>=10 ? "%d " : "%.1f ", $gb) . rcube_label('GB');
}
- else if ($bytes > 1048576)
+ else if ($bytes >= 1048576)
{
$mb = $bytes/1048576;
$str = sprintf($mb>=10 ? "%d " : "%.1f ", $mb) . rcube_label('MB');
}
- else if ($bytes > 1024)
+ else if ($bytes >= 1024)
$str = sprintf("%d ", round($bytes/1024)) . rcube_label('KB');
else
$str = sprintf('%d ', $bytes) . rcube_label('B');
return $str;
}
-
/**
* Convert paths like ../xxx to an absolute path using a base url
*
{
$host_url = $base_url;
$abs_path = $path;
-
+
// check if path is an absolute URL
if (preg_match('/^[fhtps]+:\/\//', $path))
return $path;
// cut base_url to the last directory
if (strrpos($base_url, '/')>7)
{
- $host_url = substr($base_url, 0, strpos($base_url, '/'));
+ $host_url = substr($base_url, 0, strpos($base_url, '/', 7));
$base_url = substr($base_url, 0, strrpos($base_url, '/'));
}
// $path is absolute
- if ($path{0}=='/')
+ if ($path[0] == '/')
$abs_path = $host_url.$path;
else
{
{
if (strrpos($base_url, '/'))
$base_url = substr($base_url, 0, strrpos($base_url, '/'));
-
+
$path = substr($path, 3);
}
$abs_path = $base_url.'/'.$path;
}
-
+
return $abs_path;
}
$para = explode($break, $string);
$string = '';
while (count($para)) {
- $list = explode(' ', array_shift($para));
+ $line = array_shift($para);
+ if ($line[0] == '>') {
+ $string .= $line.$break;
+ continue;
+ }
+ $list = explode(' ', $line);
$len = 0;
while (count($list)) {
$line = array_shift($list);
$string .= ($len ? ' ' : '').$line;
$len += (1 + $l);
} else {
- if ($l > $width) {
- if ($cut) {
- $start = 0;
- while ($l) {
- $str = mb_substr($line, $start, $width);
- $strlen = mb_strlen($str);
- $string .= ($len ? $break : '').$str;
- $start += $strlen;
- $l -= $strlen;
- $len = $strlen;
- }
- } else {
- $string .= ($len ? $break : '').$line;
- if (count($list)) $string .= $break;
- $len = 0;
- }
- } else {
+ if ($l > $width) {
+ if ($cut) {
+ $start = 0;
+ while ($l) {
+ $str = mb_substr($line, $start, $width);
+ $strlen = mb_strlen($str);
+ $string .= ($len ? $break : '').$str;
+ $start += $strlen;
+ $l -= $strlen;
+ $len = $strlen;
+ }
+ } else {
+ $string .= ($len ? $break : '').$line;
+ if (count($list)) $string .= $break;
+ $len = 0;
+ }
+ } else {
$string .= $break.$line;
- $len = $l;
+ $len = $l;
}
}
}
}
return $hdrs[$key];
- }
+}
/**
{
return preg_replace('/\/$/', '', $str);
}
-
+
/**
* Delete all files within a folder
* @return int Unix timestamp
*/
function get_offset_time($offset_str, $factor=1)
- {
+{
if (preg_match('/^([0-9]+)\s*([smhdw])/i', $offset_str, $regs))
{
$amount = (int)$regs[1];
$amount = (int)$offset_str;
$unit = 's';
}
-
+
$ts = mktime();
switch ($unit)
{
/**
- * Replace the middle part of a string with ...
- * if it is longer than the allowed length
+ * Truncate string if it is longer than the allowed length
+ * Replace the middle or the ending part of a string with a placeholder
*
* @param string Input string
* @param int Max. length
* @param string Replace removed chars with this
+ * @param bool Set to True if string should be truncated from the end
* @return string Abbreviated string
*/
-function abbreviate_string($str, $maxlength, $place_holder='...')
+function abbreviate_string($str, $maxlength, $place_holder='...', $ending=false)
{
$length = mb_strlen($str);
- $first_part_length = floor($maxlength/2) - mb_strlen($place_holder);
-
+
if ($length > $maxlength)
{
- $second_starting_location = $length - $maxlength + $first_part_length + 1;
- $str = mb_substr($str, 0, $first_part_length) . $place_holder . mb_substr($str, $second_starting_location, $length);
+ if ($ending)
+ return mb_substr($str, 0, $maxlength) . $place_holder;
+
+ $place_holder_length = mb_strlen($place_holder);
+ $first_part_length = floor(($maxlength - $place_holder_length)/2);
+ $second_starting_location = $length - $maxlength + $first_part_length + $place_holder_length;
+ $str = mb_substr($str, 0, $first_part_length) . $place_holder . mb_substr($str, $second_starting_location);
}
return $str;
}
+
/**
* A method to guess the mime_type of an attachment.
*
- * @param string $path Path to the file.
- * @param string $name File name (with suffix)
- * @param string $failover Mime type supplied for failover.
+ * @param string $path Path to the file.
+ * @param string $name File name (with suffix)
+ * @param string $failover Mime type supplied for failover.
+ * @param string $is_stream Set to True if $path contains file body
*
* @return string
* @author Till Klampaeckel <till@php.net>
* @see http://de2.php.net/manual/en/ref.fileinfo.php
* @see http://de2.php.net/mime_content_type
*/
-function rc_mime_content_type($path, $name, $failover = 'application/octet-stream')
+function rc_mime_content_type($path, $name, $failover = 'application/octet-stream', $is_stream=false)
{
$mime_type = null;
$mime_magic = rcmail::get_instance()->config->get('mime_magic');
$mime_type = $mime_ext[$suffix];
}
// try fileinfo extension if available
- if (!$mime_type) {
- if (!extension_loaded('fileinfo')) {
- @dl('fileinfo.' . PHP_SHLIB_SUFFIX);
- }
- if (function_exists('finfo_open')) {
- if ($finfo = finfo_open(FILEINFO_MIME, $mime_magic)) {
+ if (!$mime_type && function_exists('finfo_open')) {
+ if ($finfo = finfo_open(FILEINFO_MIME, $mime_magic)) {
+ if ($is_stream)
+ $mime_type = finfo_buffer($finfo, $path);
+ else
$mime_type = finfo_file($finfo, $path);
- finfo_close($finfo);
- }
+ finfo_close($finfo);
}
}
// try PHP's mime_content_type
- if (!$mime_type && function_exists('mime_content_type')) {
- $mime_type = mime_content_type($path);
+ if (!$mime_type && !$is_stream && function_exists('mime_content_type')) {
+ $mime_type = @mime_content_type($path);
}
// fall back to user-submitted string
if (!$mime_type) {
$mime_type = $failover;
}
+ else {
+ // Sometimes (PHP-5.3?) content-type contains charset definition,
+ // Remove it (#1487122) also "charset=binary" is useless
+ $mime_type = array_shift(preg_split('/[; ]/', $mime_type));
+ }
return $mime_type;
}
+/**
+ * Detect image type of the given binary data by checking magic numbers
+ *
+ * @param string Binary file content
+ * @return string Detected mime-type or jpeg as fallback
+ */
+function rc_image_content_type($data)
+{
+ $type = 'jpeg';
+ if (preg_match('/^\x89\x50\x4E\x47/', $data)) $type = 'png';
+ else if (preg_match('/^\x47\x49\x46\x38/', $data)) $type = 'gif';
+ else if (preg_match('/^\x00\x00\x01\x00/', $data)) $type = 'ico';
+// else if (preg_match('/^\xFF\xD8\xFF\xE0/', $data)) $type = 'jpeg';
+
+ return 'image/' . $type;
+}
+
+
/**
* A method to guess encoding of a string.
*
return $result ? $result : $failover;
}
+/**
+ * Removes non-unicode characters from input
+ *
+ * @param mixed $input String or array.
+ * @return string
+ */
+function rc_utf8_clean($input)
+{
+ // handle input of type array
+ if (is_array($input)) {
+ foreach ($input as $idx => $val)
+ $input[$idx] = rc_utf8_clean($val);
+ return $input;
+ }
+
+ if (!is_string($input) || $input == '')
+ return $input;
+
+ // iconv/mbstring are much faster (especially with long strings)
+ if (function_exists('mb_convert_encoding') && ($res = mb_convert_encoding($input, 'UTF-8', 'UTF-8')) !== false)
+ return $res;
+
+ if (function_exists('iconv') && ($res = @iconv('UTF-8', 'UTF-8//IGNORE', $input)) !== false)
+ return $res;
+
+ $regexp = '/^('.
+// '[\x00-\x7F]'. // UTF8-1
+ '|[\xC2-\xDF][\x80-\xBF]'. // UTF8-2
+ '|\xE0[\xA0-\xBF][\x80-\xBF]'. // UTF8-3
+ '|[\xE1-\xEC][\x80-\xBF][\x80-\xBF]'. // UTF8-3
+ '|\xED[\x80-\x9F][\x80-\xBF]'. // UTF8-3
+ '|[\xEE-\xEF][\x80-\xBF][\x80-\xBF]'. // UTF8-3
+ '|\xF0[\x90-\xBF][\x80-\xBF][\x80-\xBF]'. // UTF8-4
+ '|[\xF1-\xF3][\x80-\xBF][\x80-\xBF][\x80-\xBF]'.// UTF8-4
+ '|\xF4[\x80-\x8F][\x80-\xBF][\x80-\xBF]'. // UTF8-4
+ ')$/';
+
+ $seq = '';
+ $out = '';
+
+ for ($i = 0, $len = strlen($input); $i < $len; $i++) {
+ $chr = $input[$i];
+ $ord = ord($chr);
+ // 1-byte character
+ if ($ord <= 0x7F) {
+ if ($seq)
+ $out .= preg_match($regexp, $seq) ? $seq : '';
+ $seq = '';
+ $out .= $chr;
+ // first (or second) byte of multibyte sequence
+ } else if ($ord >= 0xC0) {
+ if (strlen($seq)>1) {
+ $out .= preg_match($regexp, $seq) ? $seq : '';
+ $seq = '';
+ } else if ($seq && ord($seq) < 0xC0) {
+ $seq = '';
+ }
+ $seq .= $chr;
+ // next byte of multibyte sequence
+ } else if ($seq) {
+ $seq .= $chr;
+ }
+ }
+
+ if ($seq)
+ $out .= preg_match($regexp, $seq) ? $seq : '';
+
+ return $out;
+}
+
+
+/**
+ * Convert a variable into a javascript object notation
+ *
+ * @param mixed Input value
+ * @return string Serialized JSON string
+ */
+function json_serialize($input)
+{
+ $input = rc_utf8_clean($input);
+
+ // sometimes even using rc_utf8_clean() the input contains invalid UTF-8 sequences
+ // that's why we have @ here
+ return @json_encode($input);
+}
+
/**
* Explode quoted string
$p = $i + 1;
}
}
-
+
$result[] = substr($string, $p);
return $result;
}
+/**
+ * Get all keys from array (recursive)
+ *
+ * @param array Input array
+ * @return array
+ */
+function array_keys_recursive($array)
+{
+ $keys = array();
+
+ if (!empty($array))
+ foreach ($array as $key => $child) {
+ $keys[] = $key;
+ foreach (array_keys_recursive($child) as $val)
+ $keys[] = $val;
+ }
+ return $keys;
+}
+
+
/**
* mbstring replacement functions
*/
}
}
-?>
+/**
+ * intl replacement functions
+ */
+
+if (!function_exists('idn_to_utf8'))
+{
+ function idn_to_utf8($domain, $flags=null)
+ {
+ static $idn, $loaded;
+
+ if (!$loaded) {
+ $idn = new Net_IDNA2();
+ $loaded = true;
+ }
+
+ if ($idn && $domain && preg_match('/(^|\.)xn--/i', $domain)) {
+ try {
+ $domain = $idn->decode($domain);
+ }
+ catch (Exception $e) {
+ }
+ }
+ return $domain;
+ }
+}
+
+if (!function_exists('idn_to_ascii'))
+{
+ function idn_to_ascii($domain, $flags=null)
+ {
+ static $idn, $loaded;
+
+ if (!$loaded) {
+ $idn = new Net_IDNA2();
+ $loaded = true;
+ }
+
+ if ($idn && $domain && preg_match('/[^\x20-\x7E]/', $domain)) {
+ try {
+ $domain = $idn->encode($domain);
+ }
+ catch (Exception $e) {
+ }
+ }
+ return $domain;
+ }
+}
+
projects / roundcube.git / blobdiff