From 38dc510b2dba02dba5a60fbc00947aac4fd24aab Mon Sep 17 00:00:00 2001 From: alecpl <alec@alec.pl> Date: Wed, 29 Feb 2012 06:53:52 -0500 Subject: [PATCH] - Fix warning when properties array is empty --- program/include/rcube_shared.inc | 584 +++++++++++++++++++++++++-------------------------------- 1 files changed, 255 insertions(+), 329 deletions(-) diff --git a/program/include/rcube_shared.inc b/program/include/rcube_shared.inc index 74bfdba..9340091 100644 --- a/program/include/rcube_shared.inc +++ b/program/include/rcube_shared.inc @@ -4,9 +4,12 @@ +-----------------------------------------------------------------------+ | rcube_shared.inc | | | - | This file is part of the RoundCube PHP suite | - | Copyright (C) 2005-2007, RoundCube Dev. - Switzerland | - | Licensed under the GNU GPL | + | This file is part of the Roundcube PHP suite | + | Copyright (C) 2005-2007, The Roundcube Dev Team | + | | + | Licensed under the GNU General Public License version 3 or | + | any later version with exceptions for skins & plugins. | + | See the README file for a full license statement. | | | | CONTENTS: | | Shared functions and classes used in PHP projects | @@ -21,8 +24,8 @@ /** - * RoundCube shared functions - * + * Roundcube shared functions + * * @package Core */ @@ -32,18 +35,23 @@ */ 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 ($OUTPUT->browser->ie && rcube_https_check()) { + header('Pragma: private'); + header("Cache-Control: private, must-revalidate"); + } else { + header("Cache-Control: private, no-cache, must-revalidate, post-check=0, pre-check=0"); + header("Pragma: no-cache"); } } @@ -65,142 +73,6 @@ /** - * Check request for If-Modified-Since and send an according response. - * This will terminate the current script if headers match the given values - * - * @param int Modified date as unix timestamp - * @param string Etag value for caching - */ -function send_modified_header($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 => $value) - { - // enclose key with quotes if it is not variable-name conform - if (!ereg("^[_a-zA-Z]{1}[_a-zA-Z0-9]*$", $key) || is_js_reserved_word($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 * * @param mixed Needle value @@ -209,11 +81,11 @@ */ function in_array_nocase($needle, $haystack) { - $needle = rc_strtolower($needle); + $needle = mb_strtolower($needle); foreach ($haystack as $value) - if ($needle===rc_strtolower($value)) + if ($needle===mb_strtolower($value)) return true; - + return false; } @@ -227,7 +99,7 @@ function get_boolean($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; @@ -238,33 +110,36 @@ * Parse a human readable string for a number of bytes * * @param string Input string - * @return int Number of bytes + * @return float Number of bytes */ function parse_bytes($str) { if (is_numeric($str)) - return intval($str); - - if (preg_match('/([0-9]+)([a-z])/i', $str, $regs)) + return floatval($str); + + 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': $bytes *= 1024; break; } } - return intval($bytes); + return floatval($bytes); } - + /** * Create a human readable string for a number of bytes * @@ -273,17 +148,17 @@ */ function show_bytes($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'); @@ -291,120 +166,56 @@ return $str; } - /** - * Convert paths like ../xxx to an absolute path using a base url - * - * @param string Relative path - * @param string Base URL - * @return string Absolute URL + * Wrapper function for wordwrap */ -function make_absolute_url($path, $base_url) +function rc_wordwrap($string, $width=75, $break="\n", $cut=false) { - $host_url = $base_url; - $abs_path = $path; - - // check if path is an absolute URL - if (preg_match('/^[fhtps]+:\/\//', $path)) - return $path; + $para = explode($break, $string); + $string = ''; + while (count($para)) { + $line = array_shift($para); + if ($line[0] == '>') { + $string .= $line.$break; + continue; + } + $list = explode(' ', $line); + $len = 0; + while (count($list)) { + $line = array_shift($list); + $l = mb_strlen($line); + $newlen = $len + $l + ($len ? 1 : 0); - // cut base_url to the last directory - if (strrpos($base_url, '/')>7) - { - $host_url = substr($base_url, 0, strpos($base_url, '/')); - $base_url = substr($base_url, 0, strrpos($base_url, '/')); - } - - // $path is absolute - if ($path{0}=='/') - $abs_path = $host_url.$path; - else - { - // strip './' because its the same as '' - $path = preg_replace('/^\.\//', '', $path); - - if (preg_match_all('/\.\.\//', $path, $matches, PREG_SET_ORDER)) - foreach ($matches as $a_match) - { - if (strrpos($base_url, '/')) - $base_url = substr($base_url, 0, strrpos($base_url, '/')); - - $path = substr($path, 3); + if ($newlen <= $width) { + $string .= ($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 { + $string .= $break.$line; + $len = $l; + } } - - $abs_path = $base_url.'/'.$path; + } + if (count($para)) $string .= $break; } - - return $abs_path; + return $string; } - - -/** - * Wrapper function for strlen - */ -function rc_strlen($str) -{ - if (function_exists('mb_strlen')) - return mb_strlen($str); - else - return strlen($str); -} - -/** - * Wrapper function for strtolower - */ -function rc_strtolower($str) -{ - if (function_exists('mb_strtolower')) - return mb_strtolower($str); - else - return strtolower($str); -} - -/** - * Wrapper function for strtoupper - */ -function rc_strtoupper($str) -{ - if (function_exists('mb_strtoupper')) - return mb_strtoupper($str); - else - return strtoupper($str); -} - -/** - * Wrapper function for substr - */ -function rc_substr($str, $start, $len=null) -{ - if (function_exists('mb_substr')) - return mb_substr($str, $start, $len); - else - return substr($str, $start, $len); -} - -/** - * Wrapper function for strpos - */ -function rc_strpos($haystack, $needle, $offset=0) -{ - if (function_exists('mb_strpos')) - return mb_strpos($haystack, $needle, $offset); - else - return strpos($haystack, $needle, $offset); -} - -/** - * Wrapper function for strrpos - */ -function rc_strrpos($haystack, $needle, $offset=0) -{ - if (function_exists('mb_strrpos')) - return mb_strrpos($haystack, $needle, $offset); - else - return strrpos($haystack, $needle, $offset); -} - /** * Read a specific HTTP request header @@ -427,30 +238,6 @@ } return $hdrs[$key]; - } - - -/** - * Replace the middle part of a string with ... - * if it is longer than the allowed length - * - * @param string Input string - * @param int Max. length - * @param string Replace removed chars with this - * @return string Abbreviated string - */ -function abbreviate_string($str, $maxlength, $place_holder='...') -{ - $length = rc_strlen($str); - $first_part_length = floor($maxlength/2) - rc_strlen($place_holder); - - if ($length > $maxlength) - { - $second_starting_location = $length - $maxlength + $first_part_length + 1; - $str = rc_substr($str, 0, $first_part_length) . $place_holder . rc_substr($str, $second_starting_location, $length); - } - - return $str; } @@ -470,7 +257,7 @@ { return preg_replace('/\/$/', '', $str); } - + /** * Delete all files within a folder @@ -500,7 +287,7 @@ * @return int Unix timestamp */ function get_offset_time($offset_str, $factor=1) - { +{ if (preg_match('/^([0-9]+)\s*([smhdw])/i', $offset_str, $regs)) { $amount = (int)$regs[1]; @@ -511,7 +298,7 @@ $amount = (int)$offset_str; $unit = 's'; } - + $ts = mktime(); switch ($unit) { @@ -532,37 +319,84 @@ /** + * 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='...', $ending=false) +{ + $length = mb_strlen($str); + + if ($length > $maxlength) + { + if ($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 $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, $failover = 'application/octet-stream') +function rc_mime_content_type($path, $name, $failover = 'application/octet-stream', $is_stream=false) { $mime_type = null; $mime_magic = rcmail::get_instance()->config->get('mime_magic'); + $mime_ext = @include(RCMAIL_CONFIG_DIR . '/mimetypes.php'); - if (!extension_loaded('fileinfo')) { - @dl('fileinfo.' . PHP_SHLIB_SUFFIX); + // use file name suffix with hard-coded mime-type map + if (is_array($mime_ext) && $name) { + if ($suffix = substr($name, strrpos($name, '.')+1)) { + $mime_type = $mime_ext[strtolower($suffix)]; + } } - if (function_exists('finfo_open')) { + // try fileinfo extension if available + if (!$mime_type && function_exists('finfo_open')) { if ($finfo = finfo_open(FILEINFO_MIME, $mime_magic)) { - $mime_type = finfo_file($finfo, $path); + if ($is_stream) + $mime_type = finfo_buffer($finfo, $path); + else + $mime_type = finfo_file($finfo, $path); finfo_close($finfo); } } - if (!$mime_type && function_exists('mime_content_type')) { - $mime_type = mime_content_type($path); + + // try PHP's mime_content_type + 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; @@ -570,33 +404,20 @@ /** - * A method to guess encoding of a string. + * Detect image type of the given binary data by checking magic numbers * - * @param string $string String. - * @param string $failover Default result for failover. - * - * @return string + * @param string Binary file content + * @return string Detected mime-type or jpeg as fallback */ -function rc_detect_encoding($string, $failover='') +function rc_image_content_type($data) { - if (!function_exists('mb_detect_encoding')) { - return $failover; - } + $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'; - // FIXME: the order is important, because sometimes - // iso string is detected as euc-jp and etc. - $enc = array( - 'UTF-8', 'SJIS', 'BIG5', 'GB2312', - 'ISO-8859-1', 'ISO-8859-2', 'ISO-8859-3', 'ISO-8859-4', - 'ISO-8859-5', 'ISO-8859-6', 'ISO-8859-7', 'ISO-8859-8', 'ISO-8859-9', - 'ISO-8859-10', 'ISO-8859-13', 'ISO-8859-14', 'ISO-8859-15', 'ISO-8859-16', - 'WINDOWS-1252', 'WINDOWS-1251', 'EUC-JP', 'EUC-TW', 'KOI8-R', - 'ISO-2022-KR', 'ISO-2022-JP' - ); - - $result = mb_detect_encoding($string, join(',', $enc)); - - return $result ? $result : $failover; + return 'image/' . $type; } @@ -620,9 +441,114 @@ $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 $keys; +} + + +/** + * mbstring replacement functions + */ + +if (!extension_loaded('mbstring')) +{ + function mb_strlen($str) + { + return strlen($str); + } + + function mb_strtolower($str) + { + return strtolower($str); + } + + function mb_strtoupper($str) + { + return strtoupper($str); + } + + function mb_substr($str, $start, $len=null) + { + return substr($str, $start, $len); + } + + function mb_strpos($haystack, $needle, $offset=0) + { + return strpos($haystack, $needle, $offset); + } + + function mb_strrpos($haystack, $needle, $offset=0) + { + return strrpos($haystack, $needle, $offset); + } +} + +/** + * intl replacement functions + */ + +if (!function_exists('idn_to_utf8')) +{ + function idn_to_utf8($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; + } +} + -- Gitblit v1.9.1