mirror of
https://git.code.sf.net/p/seeddms/code
synced 2024-11-26 15:32:13 +00:00
850 lines
25 KiB
PHP
850 lines
25 KiB
PHP
<?php
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// MyDMS. Document Management System
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// Copyright (C) 2002-2005 Markus Westphal
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// Copyright (C) 2006-2008 Malcolm Cowe
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// Copyright (C) 2010 Matteo Lucarelli
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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/* deprecated! use SeedDMS_Core_File::format_filesize() instead */
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function formatted_size($size_bytes) { /* {{{ */
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if ($size_bytes>1000000000) return number_format($size_bytes/1000000000,1,".","")." GBytes";
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else if ($size_bytes>1000000) return number_format($size_bytes/1000000,1,".","")." MBytes";
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else if ($size_bytes>1000) return number_format($size_bytes/1000,1,".","")." KBytes";
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return number_format($size_bytes,0,"","")." Bytes";
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} /* }}} */
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/* Date picker needs a different syntax for date formats using
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* yyyy for %Y
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* yy for %y
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* mm for %m
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* dd for %d
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* This functions returns the converted format
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*/
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function getConvertDateFormat() {
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global $settings;
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if($settings->_dateformat) {
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return str_replace(['y', 'Y', 'm', 'M', 'F', 'd', 'l', 'D'], ['yy', 'yyyy', 'mm', 'M', 'MM', 'dd', 'DD', 'D'], $settings->_dateformat);
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} else
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return 'yyyy-mm-dd';
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}
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function getReadableDate($timestamp=0) { /* {{{ */
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global $settings;
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if(!$timestamp)
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$timestamp = time();
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elseif(!is_numeric($timestamp))
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$timestamp = strtotime($timestamp);
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if($settings->_dateformat)
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return date($settings->_dateformat, $timestamp);
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else
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return date("Y-m-d", $timestamp);
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} /* }}} */
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function getLongReadableDate($timestamp) { /* {{{ */
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global $settings;
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if(!is_numeric($timestamp))
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$timestamp = strtotime($timestamp);
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if($settings->_datetimeformat)
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return date($settings->_datetimeformat, $timestamp);
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else
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return date("Y-m-d H:i:s", $timestamp);
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} /* }}} */
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function getPeriodOfTime($timestamp) { /* {{{ */
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if(!is_numeric($timestamp))
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$timestamp = strtotime($timestamp);
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$time = time() - $timestamp; // to get the time since that moment
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$time = ($time<1)? 1 : $time;
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$tokens = array (
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31536000 => 'abbr_year',
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2592000 => 'abbr_month',
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604800 => 'abbr_week',
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86400 => 'abbr_day',
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3600 => 'abbr_hour',
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60 => 'abbr_minute',
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1 => 'abbr_second'
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);
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foreach ($tokens as $unit => $text) {
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if ($time < $unit) continue;
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$numberOfUnits = floor($time / $unit);
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return $numberOfUnits.' '.(($numberOfUnits>1) ? getMLText($text):getMLText($text));
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}
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} /* }}} */
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/*
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* Converts a date string into a timestamp
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*
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* @param $date string date in format understood by strftime
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* @return integer/boolean unix timestamp or false in case of an error
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*/
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function makeTsFromDate($date) { /* {{{ */
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return strtotime($date);
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} /* }}} */
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/*
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* Converts a date/time string into a timestamp
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*
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* @param $date string date in form Y-m-d H:i:s
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* @return integer/boolean unix timestamp or false in case of an error
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*/
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function makeTsFromLongDate($date) { /* {{{ */
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return strtotime($date);
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$tmp = explode(' ', $date);
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if(count($tmp) != 2)
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return false;
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$tarr = explode(':', $tmp[1]);
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$darr = explode('-', $tmp[0]);
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if(count($tarr) != 3 || count($darr) != 3)
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return false;
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$ts = mktime($tarr[0], $tarr[1], $tarr[2], $darr[1], $darr[2], $darr[0]);
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return $ts;
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} /* }}} */
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function getReadableDuration($secs) { /* {{{ */
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$s = "";
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foreach ( getReadableDurationArray($secs) as $k => $v ) {
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if ( $v ) $s .= $v." ".($v==1? substr($k,0,-1) : $k).", ";
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}
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return substr($s, 0, -2);
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} /* }}} */
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function getReadableDurationArray($secs) { /* {{{ */
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$units = array(
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getMLText("weeks") => 7*24*3600,
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getMLText("days") => 24*3600,
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getMLText("hours") => 3600,
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getMLText("minutes") => 60,
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getMLText("seconds") => 1,
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);
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foreach ( $units as &$unit ) {
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$quot = intval($secs / $unit);
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$secs -= $quot * $unit;
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$unit = $quot;
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}
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return $units;
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} /* }}} */
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//
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// The original string sanitizer, kept for reference.
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//function sanitizeString($string) {
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// $string = str_replace("'", "'", $string);
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// $string = str_replace("--", "", $string);
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// $string = str_replace("<", "<", $string);
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// $string = str_replace(">", ">", $string);
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// $string = str_replace("/*", "", $string);
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// $string = str_replace("*/", "", $string);
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// $string = str_replace("\"", """, $string);
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//
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// return $string;
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//}
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/* Deprecated, do not use anymore */
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function sanitizeString($string) { /* {{{ */
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$string = (string) $string;
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if (get_magic_quotes_gpc()) {
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$string = stripslashes($string);
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}
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// The following three are against sql injection. They are not
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// needed anymore because strings are quoted propperly when saved into
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// the database.
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// $string = str_replace("\\", "\\\\", $string);
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// $string = str_replace("--", "\-\-", $string);
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// $string = str_replace(";", "\;", $string);
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// Use HTML entities to represent the other characters that have special
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// meaning in SQL. These can be easily converted back to ASCII / UTF-8
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// with a decode function if need be.
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$string = str_replace("&", "&", $string);
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$string = str_replace("%", "%", $string); // percent
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$string = str_replace("\"", """, $string); // double quote
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$string = str_replace("/*", "/*", $string); // start of comment
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$string = str_replace("*/", "*/", $string); // end of comment
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$string = str_replace("<", "<", $string);
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$string = str_replace(">", ">", $string);
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$string = str_replace("=", "=", $string);
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$string = str_replace(")", ")", $string);
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$string = str_replace("(", "(", $string);
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$string = str_replace("'", "'", $string);
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$string = str_replace("+", "+", $string);
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return trim($string);
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} /* }}} */
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/* Deprecated, do not use anymore, but keep it for upgrading
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* older versions
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*/
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function mydmsDecodeString($string) { /* {{{ */
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$string = (string)$string;
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$string = str_replace("&", "&", $string);
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$string = str_replace("%", "%", $string); // percent
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$string = str_replace(""", "\"", $string); // double quote
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$string = str_replace("/*", "/*", $string); // start of comment
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$string = str_replace("*/", "*/", $string); // end of comment
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$string = str_replace("<", "<", $string);
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$string = str_replace(">", ">", $string);
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$string = str_replace("=", "=", $string);
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$string = str_replace(")", ")", $string);
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$string = str_replace("(", "(", $string);
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$string = str_replace("'", "'", $string);
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$string = str_replace("+", "+", $string);
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return $string;
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} /* }}} */
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function createVersionigFile($document) { /* {{{ */
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global $settings, $dms;
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// if directory has been removed recreate it
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if (!file_exists($dms->contentDir . $document->getDir()))
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if (!SeedDMS_Core_File::makeDir($dms->contentDir . $document->getDir())) return false;
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$handle = fopen($dms->contentDir . $document->getDir() .$settings-> _versioningFileName , "wb");
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if (is_bool($handle)&&!$handle) return false;
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$tmp = $document->getName()." (ID ".$document->getID().")\n\n";
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fwrite($handle, $tmp);
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$owner = $document->getOwner();
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$tmp = getMLText("owner")." = ".$owner->getFullName()." <".$owner->getEmail().">\n";
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fwrite($handle, $tmp);
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$tmp = getMLText("creation_date")." = ".getLongReadableDate($document->getDate())."\n";
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fwrite($handle, $tmp);
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$latestContent = $document->getLatestContent();
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$tmp = "\n### ".getMLText("current_version")." ###\n\n";
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fwrite($handle, $tmp);
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$tmp = getMLText("version")." = ".$latestContent->getVersion()."\n";
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fwrite($handle, $tmp);
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$tmp = getMLText("file")." = ".$latestContent->getOriginalFileName()." (".$latestContent->getMimeType().")\n";
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fwrite($handle, $tmp);
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$tmp = getMLText("comment")." = ". $latestContent->getComment()."\n";
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fwrite($handle, $tmp);
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$status = $latestContent->getStatus();
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$tmp = getMLText("status")." = ".getOverallStatusText($status["status"])."\n";
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fwrite($handle, $tmp);
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$reviewStatus = $latestContent->getReviewStatus();
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$tmp = "\n### ".getMLText("reviewers")." ###\n";
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fwrite($handle, $tmp);
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foreach ($reviewStatus as $r) {
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switch ($r["type"]) {
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case 0: // Reviewer is an individual.
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$required = $dms->getUser($r["required"]);
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if (!is_object($required)) $reqName = getMLText("unknown_user")." = ".$r["required"];
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else $reqName = getMLText("user")." = ".$required->getFullName();
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break;
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case 1: // Reviewer is a group.
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$required = $dms->getGroup($r["required"]);
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if (!is_object($required)) $reqName = getMLText("unknown_group")." = ".$r["required"];
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else $reqName = getMLText("group")." = ".$required->getName();
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break;
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}
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$tmp = "\n".$reqName."\n";
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fwrite($handle, $tmp);
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$tmp = getMLText("status")." = ".getReviewStatusText($r["status"])."\n";
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fwrite($handle, $tmp);
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$tmp = getMLText("comment")." = ". $r["comment"]."\n";
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fwrite($handle, $tmp);
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$tmp = getMLText("last_update")." = ".$r["date"]."\n";
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fwrite($handle, $tmp);
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}
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$approvalStatus = $latestContent->getApprovalStatus();
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$tmp = "\n### ".getMLText("approvers")." ###\n";
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fwrite($handle, $tmp);
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foreach ($approvalStatus as $r) {
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switch ($r["type"]) {
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case 0: // Reviewer is an individual.
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$required = $dms->getUser($r["required"]);
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if (!is_object($required)) $reqName = getMLText("unknown_user")." = ".$r["required"];
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else $reqName = getMLText("user")." = ".$required->getFullName();
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break;
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case 1: // Reviewer is a group.
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$required = $dms->getGroup($r["required"]);
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if (!is_object($required)) $reqName = getMLText("unknown_group")." = ".$r["required"];
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else $reqName = getMLText("group")." = ".$required->getName();
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break;
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}
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$tmp = "\n".$reqName."\n";
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fwrite($handle, $tmp);
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$tmp = getMLText("status")." = ".getApprovalStatusText($r["status"])."\n";
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fwrite($handle, $tmp);
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$tmp = getMLText("comment")." = ". $r["comment"]."\n";
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fwrite($handle, $tmp);
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$tmp = getMLText("last_update")." = ".$r["date"]."\n";
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fwrite($handle, $tmp);
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}
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$versions = $document->getContent();
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$tmp = "\n### ".getMLText("previous_versions")." ###\n";
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fwrite($handle, $tmp);
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for ($i = count($versions)-2; $i >= 0; $i--){
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$version = $versions[$i];
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$status = $version->getStatus();
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$tmp = "\n".getMLText("version")." = ".$version->getVersion()."\n";
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fwrite($handle, $tmp);
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$tmp = getMLText("file")." = ".$version->getOriginalFileName()." (".$version->getMimeType().")\n";
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fwrite($handle, $tmp);
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$tmp = getMLText("comment")." = ". $version->getComment()."\n";
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fwrite($handle, $tmp);
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$status = $latestContent->getStatus();
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$tmp = getMLText("status")." = ".getOverallStatusText($status["status"])."\n";
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fwrite($handle, $tmp);
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}
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fclose($handle);
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return true;
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} /* }}} */
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/**
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* Calculate disk space of file or directory
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*
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* original funcion by shalless at rubix dot net dot au (php.net)
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* stat() replace by filesize() to make it work on all platforms.
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*
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* @param string $dir directory or filename
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* @return integer number of bytes
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*/
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function dskspace($dir) { /* {{{ */
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$space = 0;
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if(is_file($dir)) {
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$space = filesize($dir);
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} elseif (is_dir($dir)) {
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if($dh = opendir($dir)) {
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while (($file = readdir($dh)) !== false)
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if ($file != "." and $file != "..")
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$space += dskspace($dir."/".$file);
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closedir($dh);
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}
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}
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return $space;
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} /* }}} */
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/**
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* Replacement of PHP's basename function
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*
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* Because basename is locale dependent and strips off non ascii chars
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* from the beginning of filename, it cannot be used in a environment
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* where locale is set to e.g. 'C'
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*/
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function utf8_basename($path, $suffix='') { /* {{{ */
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$rpos = strrpos($path, DIRECTORY_SEPARATOR);
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if($rpos === false)
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return $path;
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$file = substr($path, $rpos+1);
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$suflen = strlen($suffix);
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if($suflen && (substr($file, -$suflen) == $suffix)){
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$file = substr($file, 0, -$suflen);
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}
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return $file;
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} /* }}} */
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/**
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* Log a message
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*
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* This function is still here for convienice and because it is
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* used at so many places.
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*
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* @param string $msg
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* @param int $priority can be one of PEAR_LOG_EMERG, PEAR_LOG_ALERT,
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* PEAR_LOG_CRIT, PEAR_LOG_ERR, PEAR_LOG_WARNING,
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* PEAR_LOG_NOTICE, PEAR_LOG_INFO, and PEAR_LOG_DEBUG.
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*/
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function add_log_line($msg="", $priority=null) { /* {{{ */
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global $logger, $user;
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if(!$logger) return;
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if(!empty($_SERVER['HTTP_X_FORWARDED_FOR']))
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$ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
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else
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$ip = $_SERVER['REMOTE_ADDR'];
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if($user)
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$logger->log($user->getLogin()." (".$ip.") ".basename($_SERVER["REQUEST_URI"], ".php").($msg ? $msg : ''), $priority);
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else
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$logger->log("-- (".$ip.") ".basename($_SERVER["REQUEST_URI"], ".php").($msg ? $msg : ''), $priority);
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} /* }}} */
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function _add_log_line($msg="") { /* {{{ */
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global $settings,$user;
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if ($settings->_logFileEnable!=TRUE) return;
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if ($settings->_logFileRotation=="h") $logname=date("YmdH", time());
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else if ($settings->_logFileRotation=="d") $logname=date("Ymd", time());
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else $logname=date("Ym", time());
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if($h = fopen($settings->_contentDir.$logname.".log", "a")) {
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fwrite($h,date("Y/m/d H:i", time())." ".$user->getLogin()." (".$_SERVER['REMOTE_ADDR'].") ".basename($_SERVER["REQUEST_URI"], ".php").$msg."\n");
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fclose($h);
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}
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} /* }}} */
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function getFolderPathHTML($folder, $tagAll=false, $document=null) { /* {{{ */
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$path = $folder->getPath();
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$txtpath = "";
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for ($i = 0; $i < count($path); $i++) {
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if ($i +1 < count($path)) {
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$txtpath .= "<a href=\"../out/out.ViewFolder.php?folderid=".$path[$i]->getID()."&showtree=".showtree()."\">".
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htmlspecialchars($path[$i]->getName())."</a> / ";
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}
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else {
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$txtpath .= ($tagAll ? "<a href=\"../out/out.ViewFolder.php?folderid=".$path[$i]->getID()."&showtree=".showtree()."\">".
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htmlspecialchars($path[$i]->getName())."</a>" : htmlspecialchars($path[$i]->getName()));
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}
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}
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if($document)
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$txtpath .= " / <a href=\"../out/out.ViewDocument.php?documentid=".$document->getId()."\">".htmlspecialchars($document->getName())."</a>";
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return $txtpath;
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} /* }}} */
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function showtree() { /* {{{ */
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global $settings;
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if (isset($_GET["showtree"])) return intval($_GET["showtree"]);
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else if ($settings->_expandFolderTree==0) return 0;
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return 1;
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} /* }}} */
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/**
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* Create a unique key which is used for form validation to prevent
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* CSRF attacks. The key is added to a any form that has to be secured
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* as a hidden field. Once the form is submitted the key is compared
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* to the current key in the session and the request is only executed
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* if both are equal. The key is derived from the session id, a configurable
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* encryption key and form identifierer.
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*
|
||
* @param string $formid individual form identifier
|
||
* @return string session key
|
||
*/
|
||
function createFormKey($formid='') { /* {{{ */
|
||
global $settings, $session;
|
||
|
||
if($id = $session->getId()) {
|
||
return md5($id.$settings->_encryptionKey.$formid);
|
||
} else {
|
||
return false;
|
||
}
|
||
} /* }}} */
|
||
|
||
/**
|
||
* Create a hidden field with the name 'formtoken' and set its value
|
||
* to the key returned by createFormKey()
|
||
*
|
||
* @param string $formid individual form identifier
|
||
* @return string input field for html formular
|
||
*/
|
||
function createHiddenFieldWithKey($formid='') { /* {{{ */
|
||
return '<input type="hidden" name="formtoken" value="'.createFormKey($formid).'" />';
|
||
} /* }}} */
|
||
|
||
/**
|
||
* Check if the form key in the POST or GET request variable 'formtoken'
|
||
* has the value of key returned by createFormKey(). Request to modify
|
||
* data in the DMS should always use POST because it is harder to run
|
||
* CSRF attacks using POST than GET.
|
||
*
|
||
* @param string $formid individual form identifier
|
||
* @param string $method defines if the form data is pass via GET or
|
||
* POST (default)
|
||
* @return boolean true if key matches otherwise false
|
||
*/
|
||
function checkFormKey($formid='', $method='POST') { /* {{{ */
|
||
switch($method) {
|
||
case 'GET':
|
||
if(isset($_GET['formtoken']) && $_GET['formtoken'] == createFormKey($formid))
|
||
return true;
|
||
break;
|
||
default:
|
||
if(isset($_POST['formtoken']) && $_POST['formtoken'] == createFormKey($formid))
|
||
return true;
|
||
}
|
||
|
||
return false;
|
||
} /* }}} */
|
||
|
||
/**
|
||
* Check disk usage of currently logged in user
|
||
*
|
||
* @return boolean/integer true if no quota is set, number of bytes until
|
||
* quota is reached. Negative values indicate a disk usage above quota.
|
||
*/
|
||
function checkQuota($user) { /* {{{ */
|
||
global $settings, $dms;
|
||
|
||
/* check if quota is turn off system wide */
|
||
if($settings->_quota == 0)
|
||
return true;
|
||
|
||
$quota = 0;
|
||
$uquota = $user->getQuota();
|
||
if($uquota > 0)
|
||
$quota = $uquota;
|
||
elseif($settings->_quota > 0) {
|
||
$quota = $settings->_quota;
|
||
}
|
||
|
||
if($quota == 0)
|
||
return true;
|
||
|
||
return ($quota - $user->getUsedDiskSpace());
|
||
} /* }}} */
|
||
|
||
/**
|
||
* Encrypt any data with a key
|
||
*
|
||
* @param string $key
|
||
* @param string $value plain text data
|
||
* @return string encrypted data
|
||
*/
|
||
function encryptData($key, $value) { /* {{{ */
|
||
$text = $value;
|
||
$iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB);
|
||
$iv = mcrypt_create_iv($iv_size, MCRYPT_RAND);
|
||
$crypttext = mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $key, $text, MCRYPT_MODE_ECB, $iv);
|
||
return $crypttext;
|
||
} /* }}} */
|
||
|
||
/**
|
||
* Decrypt data previously encrypted by encrypt
|
||
*
|
||
* @param string $key
|
||
* @param string $value encrypted data
|
||
* @return string plain text data
|
||
*/
|
||
function decryptData($key, $value) { /* {{{ */
|
||
$crypttext = $value;
|
||
$iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB);
|
||
$iv = mcrypt_create_iv($iv_size, MCRYPT_RAND);
|
||
$decrypttext = mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $key, $crypttext, MCRYPT_MODE_ECB, $iv);
|
||
return trim($decrypttext);
|
||
} /* }}} */
|
||
|
||
/**
|
||
* Return file extension for a give mimetype
|
||
*
|
||
* @param string $mimetype Mime-Type
|
||
* @return string file extension including leading dot
|
||
*/
|
||
function get_extension($mimetype) { /* {{{ */
|
||
if(empty($mimetype)) return false;
|
||
switch($mimetype) {
|
||
case 'image/bmp': return '.bmp';
|
||
case 'image/cis-cod': return '.cod';
|
||
case 'image/gif': return '.gif';
|
||
case 'image/ief': return '.ief';
|
||
case 'image/jpeg': return '.jpg';
|
||
case 'image/pipeg': return '.jfif';
|
||
case 'image/tiff': return '.tif';
|
||
case 'image/x-cmu-raster': return '.ras';
|
||
case 'image/x-cmx': return '.cmx';
|
||
case 'image/x-icon': return '.ico';
|
||
case 'image/x-portable-anymap': return '.pnm';
|
||
case 'image/x-portable-bitmap': return '.pbm';
|
||
case 'image/x-portable-graymap': return '.pgm';
|
||
case 'image/x-portable-pixmap': return '.ppm';
|
||
case 'image/x-rgb': return '.rgb';
|
||
case 'image/x-xbitmap': return '.xbm';
|
||
case 'image/x-xpixmap': return '.xpm';
|
||
case 'image/x-xwindowdump': return '.xwd';
|
||
case 'image/png': return '.png';
|
||
case 'image/x-jps': return '.jps';
|
||
case 'image/x-freehand': return '.fh';
|
||
case 'image/svg+xml': return '.svg';
|
||
case 'application/zip': return '.zip';
|
||
case 'application/x-rar': return '.rar';
|
||
case 'application/pdf': return '.pdf';
|
||
case 'application/postscript': return '.ps';
|
||
case 'application/vnd.openxmlformats-officedocument.wordprocessingml.document': return '.docx';
|
||
case 'application/vnd.openxmlformats-officedocument.presentationml.presentation': return '.pptx';
|
||
case 'text/plain': return '.txt';
|
||
case 'text/csv': return '.csv';
|
||
default: return false;
|
||
}
|
||
} /* }}} */
|
||
|
||
/**
|
||
* Adds a missing front slash to a string
|
||
*
|
||
* This function is used for making sure a directory name has a
|
||
* trailing directory separator
|
||
*/
|
||
function addDirSep($str) { /* {{{ */
|
||
if(trim($str) == '')
|
||
return '';
|
||
if(substr(trim($str), -1, 1) != DIRECTORY_SEPARATOR)
|
||
return trim($str).DIRECTORY_SEPARATOR;
|
||
else
|
||
return trim($str);
|
||
} /* }}} */
|
||
|
||
/**
|
||
* Send a file from disk to the browser
|
||
*
|
||
* This function uses either readfile() or the xѕendfile apache module if
|
||
* it is installed.
|
||
*
|
||
* @param string $filename
|
||
*/
|
||
function sendFile($filename) { /* {{{ */
|
||
global $settings;
|
||
if($settings->_enableXsendfile && function_exists('apache_get_modules') && in_array('mod_xsendfile',apache_get_modules())) {
|
||
header("X-Sendfile: ".$filename);
|
||
} else {
|
||
|
||
$size = filesize($filename);
|
||
header("Content-Length: " . $size);
|
||
if (isset($_SERVER['HTTP_RANGE'])) {
|
||
$fp = @fopen($filename, 'rb');
|
||
$length = $size; // Content length
|
||
$start = 0; // Start byte
|
||
$end = $size - 1; // End byte
|
||
|
||
header("Accept-Ranges: 0-$length");
|
||
|
||
$c_start = $start;
|
||
$c_end = $end;
|
||
|
||
list($unit, $range) = explode('=', $_SERVER['HTTP_RANGE'], 2);
|
||
if (trim($unit) !== 'bytes') {
|
||
header('HTTP/1.1 416 Requested Range Not Satisfiable');
|
||
header("Content-Range: bytes $start-$end/$size");
|
||
exit;
|
||
}
|
||
if (strpos($range, ',') !== false) {
|
||
header('HTTP/1.1 416 Requested Range Not Satisfiable');
|
||
header("Content-Range: bytes $start-$end/$size");
|
||
exit;
|
||
}
|
||
if ($range == '-') {
|
||
$c_start = $size - substr($range, 1);
|
||
} else {
|
||
$range = explode('-', $range);
|
||
$c_start = $range[0];
|
||
$c_end = (isset($range[1]) && is_numeric($range[1])) ? $range[1] : $size;
|
||
}
|
||
$c_end = ($c_end > $end) ? $end : $c_end;
|
||
if ($c_start > $c_end || $c_start > $size - 1 || $c_end >= $size) {
|
||
header('HTTP/1.1 416 Requested Range Not Satisfiable');
|
||
header("Content-Range: bytes $start-$end/$size");
|
||
exit;
|
||
}
|
||
$start = $c_start;
|
||
$end = $c_end;
|
||
$length = $end - $start + 1;
|
||
fseek($fp, $start);
|
||
header('HTTP/1.1 206 Partial Content');
|
||
header("Content-Range: bytes $start-$end/$size");
|
||
|
||
$buffer = 1024 * 8;
|
||
while(!feof($fp) && ($p = ftell($fp)) <= $end) {
|
||
if ($p + $buffer > $end) {
|
||
$buffer = $end - $p + 1;
|
||
}
|
||
set_time_limit(0);
|
||
echo fread($fp, $buffer);
|
||
flush();
|
||
}
|
||
|
||
fclose($fp);
|
||
} else {
|
||
/* Make sure output buffering is off */
|
||
if (ob_get_level()) {
|
||
ob_end_clean();
|
||
}
|
||
readfile($filename);
|
||
}
|
||
}
|
||
} /* }}} */
|
||
|
||
/**
|
||
* Return protocol and host of url
|
||
*
|
||
* @return string
|
||
*/
|
||
function getBaseUrl() { /* {{{ */
|
||
return "http".((isset($_SERVER['HTTPS']) && (strcmp($_SERVER['HTTPS'],'off')!=0)) ? "s" : "")."://".$_SERVER['HTTP_HOST'];
|
||
} /* }}} */
|
||
|
||
function getToken($length){ /* {{{ */
|
||
$token = "";
|
||
$codeAlphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
|
||
$codeAlphabet.= "abcdefghijklmnopqrstuvwxyz";
|
||
$codeAlphabet.= "0123456789";
|
||
$max = strlen($codeAlphabet);
|
||
|
||
for ($i=0; $i < $length; $i++) {
|
||
$token .= $codeAlphabet[random_int(0, $max-1)];
|
||
}
|
||
|
||
return $token;
|
||
} /* }}} */
|
||
|
||
function isAjax() { /* {{{ */
|
||
if(!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest')
|
||
return true;
|
||
else
|
||
return false;
|
||
} /* }}} */
|
||
|
||
/**
|
||
* Hash a password
|
||
*
|
||
* @param string $password
|
||
* @return string hashed password
|
||
*/
|
||
function seed_pass_hash($password) { /* {{{ */
|
||
return md5($password);
|
||
} /* }}} */
|
||
|
||
/**
|
||
* Verify a password
|
||
*
|
||
* @param string $password
|
||
* @return string hashed password
|
||
*/
|
||
function seed_pass_verify($password, $hash) { /* {{{ */
|
||
return $hash == md5($password);
|
||
} /* }}} */
|
||
|
||
/**
|
||
* Return nonce for CSP
|
||
*
|
||
* @return string
|
||
*/
|
||
function createNonce() { /* {{{ */
|
||
$length = 16;
|
||
$usable = true;
|
||
$bytes = openssl_random_pseudo_bytes($length, $usable);
|
||
if ($usable === false) {
|
||
// weak
|
||
// @TODO do something?
|
||
}
|
||
return base64_encode($bytes);
|
||
} /* }}} */
|
||
|
||
/**
|
||
* Class for creating encrypted api keys
|
||
*
|
||
* <code>
|
||
* <?php
|
||
* $CSRF = new SeedDMS_CSRF($settings->_encryptionKey);
|
||
* $kkk = $CSRF->create_api_key();
|
||
* echo $kkk;
|
||
* echo $CSRF->check_api_key($kkk) ? 'valid' : 'invalid';
|
||
* ?>
|
||
* </code>
|
||
*/
|
||
class SeedDMS_CSRF { /* {{{ */
|
||
|
||
protected $secret;
|
||
|
||
public function __construct($secret) { /* {{{ */
|
||
$this->secret = $secret;
|
||
} /* }}} */
|
||
|
||
public function create_api_key() { /* {{{ */
|
||
return base64_encode($this->encrypt(time().'|'.$_SERVER['REMOTE_ADDR'])); // !change if you dont want IP check
|
||
} /* }}} */
|
||
|
||
public function check_api_key($key, $timeout = 5) { /* {{{ */
|
||
if (empty($key)) exit('Invalid Key');
|
||
|
||
$keys = explode('|', $this->decrypt(base64_decode($key)));
|
||
|
||
return (
|
||
isset($key, $keys[0], $keys[1]) &&
|
||
$keys[0] >= (time() - $timeout) &&
|
||
$keys[1] == $_SERVER['REMOTE_ADDR'] // !change if you dont want IP check
|
||
);
|
||
} /* }}} */
|
||
|
||
public function encrypt($string, $key = 'PrivateKey', $method = 'AES-256-CBC') { /* {{{ */
|
||
// hash
|
||
$key = hash('sha256', $key);
|
||
// create iv - encrypt method AES-256-CBC expects 16 bytes
|
||
$iv = substr(hash('sha256', $this->secret), 0, 16);
|
||
// encrypt
|
||
$output = openssl_encrypt($string, $method, $key, 0, $iv);
|
||
// encode
|
||
return base64_encode($output);
|
||
} /* }}} */
|
||
|
||
public function decrypt($string, $key = 'PrivateKey', $method = 'AES-256-CBC') { /* {{{ */
|
||
// hash
|
||
$key = hash('sha256', $key);
|
||
// create iv - encrypt method AES-256-CBC expects 16 bytes
|
||
$iv = substr(hash('sha256', $this->secret), 0, 16);
|
||
// decode
|
||
$string = base64_decode($string);
|
||
// decrypt
|
||
return openssl_decrypt($string, $method, $key, 0, $iv);
|
||
} /* }}} */
|
||
} /* }}} */
|
||
|
||
class SeedDMS_FolderTree { /* {{{ */
|
||
|
||
public function __construct($folder, $callback) { /* {{{ */
|
||
$iter = new \SeedDMS\RecursiveFolderIterator($folder);
|
||
$iter2 = new RecursiveIteratorIterator($iter, RecursiveIteratorIterator:: SELF_FIRST);
|
||
foreach($iter2 as $ff) {
|
||
call_user_func($callback, $ff);
|
||
// echo $ff->getID().': '.$ff->getFolderPathPlain().'-'.$ff->getName()."<br />";
|
||
}
|
||
} /* }}} */
|
||
|
||
} /* }}} */
|