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system/3rd_party/JShrink/CONTRIBUTING.md
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# Contributions Welcome!
Pull Requests and Community Contributions are the bread and butter of open source software. Every contribution- from bug
reports to feature requests, typos to full new features- are greatly appreciated.
## Important Guidelines
* One Item Per Pull Request or Issue. This makes it much easier to review code and merge it back in, and prevents issues
with one request from blocking another.
* Code Coverage is extremely important, and pull requests are much more likely to be accepted if testing is also improved.
New code should be properly tested, and all tests must pass.
* Read the LICENSE document and make sure you understand it, because your code is going to be released under it.
* Be prepared to make revisions. Don't be discouraged if you're asked to make changes, as that is just another step
towards refining the code and getting it merged back in.
* Remember to add the relevant documentation, particular the docblock comments.
## Code Styling
This project follows the PSR standards set forth by the [PHP Framework Interop Group](http://www.php-fig.org/).
* [PSR-0: Class and file naming conventions](https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-0.md)
* [PSR-1: Basic coding standard](https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-1-basic-coding-standard.md)
* [PSR-2: Coding style guide](https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-2-coding-style-guide.md)
All code most follow these standards to be accepted. The easiest way to accomplish this is to run php-cs-fixer once the
new changes are finished. The php-cs-fixer package is installed as a development dependency of this project.
composer install --dev
vendor/bin/php-cs-fixer fix ./ --level="all" -vv
## Running the test suite
First install dependencies using Composer. It's important to include the dev packages:
composer install --dev
The "runTests.sh" script runs the full test suite- phpunit, php-cs-fixer, as well as any environmental setup:
tests/runTests.sh
To call phpunit directly:
vendor/bin/phpunit
To call php-cs-fixer directly:
vendor/bin/php-cs-fixer fix ./ --level="all" -vv --dry-run
system/3rd_party/JShrink/LICENSE
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Copyright (c) 2009, Robert Hafner
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of the Stash Project nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL Robert Hafner BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
system/3rd_party/JShrink/Minifier.php
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<?php
/*
* This file is part of the JShrink package.
*
* (c) Robert Hafner <tedivm@tedivm.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* JShrink
*
*
* @package JShrink
* @author Robert Hafner <tedivm@tedivm.com>
*/
namespace JShrink;
/**
* Minifier
*
* Usage - Minifier::minify($js);
* Usage - Minifier::minify($js, $options);
* Usage - Minifier::minify($js, array('flaggedComments' => false));
*
* @package JShrink
* @author Robert Hafner <tedivm@tedivm.com>
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
*/
class Minifier
{
/**
* The input javascript to be minified.
*
* @var string
*/
protected $input;
/**
* The location of the character (in the input string) that is next to be
* processed.
*
* @var int
*/
protected $index = 0;
/**
* The first of the characters currently being looked at.
*
* @var string
*/
protected $a = '';
/**
* The next character being looked at (after a);
*
* @var string
*/
protected $b = '';
/**
* This character is only active when certain look ahead actions take place.
*
* @var string
*/
protected $c;
/**
* Contains the options for the current minification process.
*
* @var array
*/
protected $options;
/**
* Contains the default options for minification. This array is merged with
* the one passed in by the user to create the request specific set of
* options (stored in the $options attribute).
*
* @var array
*/
protected static $defaultOptions = array('flaggedComments' => true);
/**
* Contains lock ids which are used to replace certain code patterns and
* prevent them from being minified
*
* @var array
*/
protected $locks = array();
/**
* Takes a string containing javascript and removes unneeded characters in
* order to shrink the code without altering it's functionality.
*
* @param string $js The raw javascript to be minified
* @param array $options Various runtime options in an associative array
* @throws \Exception
* @return bool|string
*/
public static function minify($js, $options = array())
{
try {
ob_start();
$jshrink = new Minifier();
$js = $jshrink->lock($js);
$jshrink->minifyDirectToOutput($js, $options);
// Sometimes there's a leading new line, so we trim that out here.
$js = ltrim(ob_get_clean());
$js = $jshrink->unlock($js);
unset($jshrink);
return $js;
} catch (\Exception $e) {
if (isset($jshrink)) {
// Since the breakdownScript function probably wasn't finished
// we clean it out before discarding it.
$jshrink->clean();
unset($jshrink);
}
// without this call things get weird, with partially outputted js.
ob_end_clean();
throw $e;
}
}
/**
* Processes a javascript string and outputs only the required characters,
* stripping out all unneeded characters.
*
* @param string $js The raw javascript to be minified
* @param array $options Various runtime options in an associative array
*/
protected function minifyDirectToOutput($js, $options)
{
$this->initialize($js, $options);
$this->loop();
$this->clean();
}
/**
* Initializes internal variables, normalizes new lines,
*
* @param string $js The raw javascript to be minified
* @param array $options Various runtime options in an associative array
*/
protected function initialize($js, $options)
{
$this->options = array_merge(static::$defaultOptions, $options);
$js = str_replace("\r\n", "\n", $js);
$js = str_replace('/**/', '', $js);
$this->input = str_replace("\r", "\n", $js);
// We add a newline to the end of the script to make it easier to deal
// with comments at the bottom of the script- this prevents the unclosed
// comment error that can otherwise occur.
$this->input .= PHP_EOL;
// Populate "a" with a new line, "b" with the first character, before
// entering the loop
$this->a = "\n";
$this->b = $this->getReal();
}
/**
* The primary action occurs here. This function loops through the input string,
* outputting anything that's relevant and discarding anything that is not.
*/
protected function loop()
{
while ($this->a !== false && !is_null($this->a) && $this->a !== '') {
switch ($this->a) {
// new lines
case "\n":
// if the next line is something that can't stand alone preserve the newline
if (strpos('(-+{[@', $this->b) !== false) {
echo $this->a;
$this->saveString();
break;
}
// if B is a space we skip the rest of the switch block and go down to the
// string/regex check below, resetting $this->b with getReal
if($this->b === ' ')
break;
// otherwise we treat the newline like a space
case ' ':
if(static::isAlphaNumeric($this->b))
echo $this->a;
$this->saveString();
break;
default:
switch ($this->b) {
case "\n":
if (strpos('}])+-"\'', $this->a) !== false) {
echo $this->a;
$this->saveString();
break;
} else {
if (static::isAlphaNumeric($this->a)) {
echo $this->a;
$this->saveString();
}
}
break;
case ' ':
if(!static::isAlphaNumeric($this->a))
break;
default:
// check for some regex that breaks stuff
if ($this->a === '/' && ($this->b === '\'' || $this->b === '"')) {
$this->saveRegex();
continue;
}
echo $this->a;
$this->saveString();
break;
}
}
// do reg check of doom
$this->b = $this->getReal();
if(($this->b == '/' && strpos('(,=:[!&|?', $this->a) !== false))
$this->saveRegex();
}
}
/**
* Resets attributes that do not need to be stored between requests so that
* the next request is ready to go. Another reason for this is to make sure
* the variables are cleared and are not taking up memory.
*/
protected function clean()
{
unset($this->input);
$this->index = 0;
$this->a = $this->b = '';
unset($this->c);
unset($this->options);
}
/**
* Returns the next string for processing based off of the current index.
*
* @return string
*/
protected function getChar()
{
// Check to see if we had anything in the look ahead buffer and use that.
if (isset($this->c)) {
$char = $this->c;
unset($this->c);
// Otherwise we start pulling from the input.
} else {
$char = substr($this->input, $this->index, 1);
// If the next character doesn't exist return false.
if (isset($char) && $char === false) {
return false;
}
// Otherwise increment the pointer and use this char.
$this->index++;
}
// Normalize all whitespace except for the newline character into a
// standard space.
if($char !== "\n" && ord($char) < 32)
return ' ';
return $char;
}
/**
* This function gets the next "real" character. It is essentially a wrapper
* around the getChar function that skips comments. This has significant
* performance benefits as the skipping is done using native functions (ie,
* c code) rather than in script php.
*
*
* @return string Next 'real' character to be processed.
* @throws \RuntimeException
*/
protected function getReal()
{
$startIndex = $this->index;
$char = $this->getChar();
// Check to see if we're potentially in a comment
if ($char !== '/') {
return $char;
}
$this->c = $this->getChar();
if ($this->c === '/') {
return $this->processOneLineComments($startIndex);
} elseif ($this->c === '*') {
return $this->processMultiLineComments($startIndex);
}
return $char;
}
/**
* Removed one line comments, with the exception of some very specific types of
* conditional comments.
*
* @param int $startIndex The index point where "getReal" function started
* @return string
*/
protected function processOneLineComments($startIndex)
{
$thirdCommentString = substr($this->input, $this->index, 1);
// kill rest of line
$this->getNext("\n");
if ($thirdCommentString == '@') {
$endPoint = $this->index - $startIndex;
unset($this->c);
$char = "\n" . substr($this->input, $startIndex, $endPoint);
} else {
// first one is contents of $this->c
$this->getChar();
$char = $this->getChar();
}
return $char;
}
/**
* Skips multiline comments where appropriate, and includes them where needed.
* Conditional comments and "license" style blocks are preserved.
*
* @param int $startIndex The index point where "getReal" function started
* @return bool|string False if there's no character
* @throws \RuntimeException Unclosed comments will throw an error
*/
protected function processMultiLineComments($startIndex)
{
$this->getChar(); // current C
$thirdCommentString = $this->getChar();
// kill everything up to the next */ if it's there
if ($this->getNext('*/')) {
$this->getChar(); // get *
$this->getChar(); // get /
$char = $this->getChar(); // get next real character
// Now we reinsert conditional comments and YUI-style licensing comments
if (($this->options['flaggedComments'] && $thirdCommentString === '!')
|| ($thirdCommentString === '@') ) {
// If conditional comments or flagged comments are not the first thing in the script
// we need to echo a and fill it with a space before moving on.
if ($startIndex > 0) {
echo $this->a;
$this->a = " ";
// If the comment started on a new line we let it stay on the new line
if ($this->input[($startIndex - 1)] === "\n") {
echo "\n";
}
}
$endPoint = ($this->index - 1) - $startIndex;
echo substr($this->input, $startIndex, $endPoint);
return $char;
}
} else {
$char = false;
}
if($char === false)
throw new \RuntimeException('Unclosed multiline comment at position: ' . ($this->index - 2));
// if we're here c is part of the comment and therefore tossed
if(isset($this->c))
unset($this->c);
return $char;
}
/**
* Pushes the index ahead to the next instance of the supplied string. If it
* is found the first character of the string is returned and the index is set
* to it's position.
*
* @param string $string
* @return string|false Returns the first character of the string or false.
*/
protected function getNext($string)
{
// Find the next occurrence of "string" after the current position.
$pos = strpos($this->input, $string, $this->index);
// If it's not there return false.
if($pos === false)
return false;
// Adjust position of index to jump ahead to the asked for string
$this->index = $pos;
// Return the first character of that string.
return substr($this->input, $this->index, 1);
}
/**
* When a javascript string is detected this function crawls for the end of
* it and saves the whole string.
*
* @throws \RuntimeException Unclosed strings will throw an error
*/
protected function saveString()
{
$startpos = $this->index;
// saveString is always called after a gets cleared, so we push b into
// that spot.
$this->a = $this->b;
// If this isn't a string we don't need to do anything.
if ($this->a !== "'" && $this->a !== '"') {
return;
}
// String type is the quote used, " or '
$stringType = $this->a;
// Echo out that starting quote
echo $this->a;
// Loop until the string is done
while (true) {
// Grab the very next character and load it into a
$this->a = $this->getChar();
switch ($this->a) {
// If the string opener (single or double quote) is used
// output it and break out of the while loop-
// The string is finished!
case $stringType:
break 2;
// New lines in strings without line delimiters are bad- actual
// new lines will be represented by the string \n and not the actual
// character, so those will be treated just fine using the switch
// block below.
case "\n":
throw new \RuntimeException('Unclosed string at position: ' . $startpos );
break;
// Escaped characters get picked up here. If it's an escaped new line it's not really needed
case '\\':
// a is a slash. We want to keep it, and the next character,
// unless it's a new line. New lines as actual strings will be
// preserved, but escaped new lines should be reduced.
$this->b = $this->getChar();
// If b is a new line we discard a and b and restart the loop.
if ($this->b === "\n") {
break;
}
// echo out the escaped character and restart the loop.
echo $this->a . $this->b;
break;
// Since we're not dealing with any special cases we simply
// output the character and continue our loop.
default:
echo $this->a;
}
}
}
/**
* When a regular expression is detected this function crawls for the end of
* it and saves the whole regex.
*
* @throws \RuntimeException Unclosed regex will throw an error
*/
protected function saveRegex()
{
echo $this->a . $this->b;
while (($this->a = $this->getChar()) !== false) {
if($this->a === '/')
break;
if ($this->a === '\\') {
echo $this->a;
$this->a = $this->getChar();
}
if($this->a === "\n")
throw new \RuntimeException('Unclosed regex pattern at position: ' . $this->index);
echo $this->a;
}
$this->b = $this->getReal();
}
/**
* Checks to see if a character is alphanumeric.
*
* @param string $char Just one character
* @return bool
*/
protected static function isAlphaNumeric($char)
{
return preg_match('/^[\w\$\pL]$/', $char) === 1 || $char == '/';
}
/**
* Replace patterns in the given string and store the replacement
*
* @param string $js The string to lock
* @return bool
*/
protected function lock($js)
{
/* lock things like <code>"asd" + ++x;</code> */
$lock = '"LOCK---' . crc32(time()) . '"';
$matches = array();
preg_match('/([+-])(\s+)([+-])/S', $js, $matches);
if (empty($matches)) {
return $js;
}
$this->locks[$lock] = $matches[2];
$js = preg_replace('/([+-])\s+([+-])/S', "$1{$lock}$2", $js);
/* -- */
return $js;
}
/**
* Replace "locks" with the original characters
*
* @param string $js The string to unlock
* @return bool
*/
protected function unlock($js)
{
if (empty($this->locks)) {
return $js;
}
foreach ($this->locks as $lock => $replacement) {
$js = str_replace($lock, $replacement, $js);
}
return $js;
}
}
system/3rd_party/JShrink/README.md
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# JShrink [![Build Status](https://travis-ci.org/tedious/JShrink.svg?branch=master)](https://travis-ci.org/tedivm/JShrink)
[![License](http://img.shields.io/packagist/l/tedivm/JShrink.svg)](https://github.com/tedivm/JShrink/blob/master/LICENSE)
[![Latest Stable Version](http://img.shields.io/github/release/tedious/JShrink.svg)](https://packagist.org/packages/tedivm/JShrink)
[![Coverage Status](https://coveralls.io/repos/tedious/JShrink/badge.png?branch=master)](https://coveralls.io/r/tedivm/JShrink?branch=master)
[![Total Downloads](http://img.shields.io/packagist/dt/tedivm/jshrink.svg)](https://packagist.org/packages/tedivm/JShrink)
JShrink is a php class that minifies javascript so that it can be delivered to the client quicker. This code can be used
by any product looking to minify their javascript on the fly (although caching the results is suggested for performance
reasons). Unlike many other products this is not a port into php but a native application, resulting in better
performance.
## Usage
Minifying your code is simple call to a static function-
```php
<?php
include('vendor/autoload.php');
// Basic (default) usage.
$minifiedCode = \JShrink\Minifier::minify($js);
// Disable YUI style comment preservation.
$minifiedCode = \JShrink\Minifier::minify($js, array('flaggedComments' => false));
```
## Results
* Raw - 586,990
* Gzip - 151,301
* JShrink - 371,982
* JShrink and Gzip - 93,507
## Installing
### Composer
Installing JShrink can be done through a variety of methods, although Composer is
recommended.
```yaml
"require": {
"tedivm/jshrink": "~1.0"
}
```
### Github
Releases of JShrink are available on [Github](https://github.com/tedious/JShrink/releases).
## License
JShrink is licensed under the BSD License. See the LICENSE file for details.
In the spirit of open source, use of this library for evil is discouraged but not prohibited.
system/3rd_party/JShrink/composer.json
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{
"name": "tedivm/jshrink",
"description": "Javascript Minifier built in PHP",
"keywords": ["minifier","javascript"],
"homepage": "http://github.com/tedious/JShrink",
"type": "library",
"license": "BSD-3-Clause",
"authors": [
{
"name": "Robert Hafner",
"email": "tedivm@tedivm.com"
}
],
"require": {
"php": ">=5.3.0"
},
"require-dev": {
"phpunit/phpunit": "4.0.*",
"fabpot/php-cs-fixer": "0.4.0",
"satooshi/php-coveralls": "dev-master"
},
"autoload": {
"psr-0": {"JShrink": "src/"}
}
}
system/3rd_party/JShrink/phpunit.xml.dist
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<?xml version="1.0" encoding="UTF-8"?>
<phpunit bootstrap="./tests/bootstrap.php" colors="true">
<testsuites>
<testsuite name="JShrink Test Suite">
<directory suffix="Test.php">./tests/JShrink/</directory>
</testsuite>
</testsuites>
<groups>
<exclude>
<group>requests</group>
<group>development</group>
</exclude>
</groups>
<filter>
<whitelist>
<directory suffix=".php">./src/JShrink/</directory>
</whitelist>
</filter>
<logging>
<log type="coverage-text" target="php://stdout" showUncoveredFiles="false"/>
</logging>
</phpunit>
system/3rd_party/pclzip/gnu-lgpl.txt
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GNU LESSER GENERAL PUBLIC LICENSE
Version 2.1, February 1999
Copyright (C) 1991, 1999 Free Software Foundation, Inc.
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
[This is the first released version of the Lesser GPL. It also counts
as the successor of the GNU Library Public License, version 2, hence
the version number 2.1.]
Preamble
The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
Licenses are intended to guarantee your freedom to share and change
free software--to make sure the software is free for all its users.
This license, the Lesser General Public License, applies to some
specially designated software packages--typically libraries--of the
Free Software Foundation and other authors who decide to use it. You
can use it too, but we suggest you first think carefully about whether
this license or the ordinary General Public License is the better
strategy to use in any particular case, based on the explanations below.
When we speak of free software, we are referring to freedom of use,
not price. Our General Public Licenses are designed to make sure that
you have the freedom to distribute copies of free software (and charge
for this service if you wish); that you receive source code or can get
it if you want it; that you can change the software and use pieces of
it in new free programs; and that you are informed that you can do
these things.
To protect your rights, we need to make restrictions that forbid
distributors to deny you these rights or to ask you to surrender these
rights. These restrictions translate to certain responsibilities for
you if you distribute copies of the library or if you modify it.
For example, if you distribute copies of the library, whether gratis
or for a fee, you must give the recipients all the rights that we gave
you. You must make sure that they, too, receive or can get the source
code. If you link other code with the library, you must provide
complete object files to the recipients, so that they can relink them
with the library after making changes to the library and recompiling
it. And you must show them these terms so they know their rights.
We protect your rights with a two-step method: (1) we copyright the
library, and (2) we offer you this license, which gives you legal
permission to copy, distribute and/or modify the library.
To protect each distributor, we want to make it very clear that
there is no warranty for the free library. Also, if the library is
modified by someone else and passed on, the recipients should know
that what they have is not the original version, so that the original
author's reputation will not be affected by problems that might be
introduced by others.
Finally, software patents pose a constant threat to the existence of
any free program. We wish to make sure that a company cannot
effectively restrict the users of a free program by obtaining a
restrictive license from a patent holder. Therefore, we insist that
any patent license obtained for a version of the library must be
consistent with the full freedom of use specified in this license.
Most GNU software, including some libraries, is covered by the
ordinary GNU General Public License. This license, the GNU Lesser
General Public License, applies to certain designated libraries, and
is quite different from the ordinary General Public License. We use
this license for certain libraries in order to permit linking those
libraries into non-free programs.
When a program is linked with a library, whether statically or using
a shared library, the combination of the two is legally speaking a
combined work, a derivative of the original library. The ordinary
General Public License therefore permits such linking only if the
entire combination fits its criteria of freedom. The Lesser General
Public License permits more lax criteria for linking other code with
the library.
We call this license the "Lesser" General Public License because it
does Less to protect the user's freedom than the ordinary General
Public License. It also provides other free software developers Less
of an advantage over competing non-free programs. These disadvantages
are the reason we use the ordinary General Public License for many
libraries. However, the Lesser license provides advantages in certain
special circumstances.
For example, on rare occasions, there may be a special need to
encourage the widest possible use of a certain library, so that it becomes
a de-facto standard. To achieve this, non-free programs must be
allowed to use the library. A more frequent case is that a free
library does the same job as widely used non-free libraries. In this
case, there is little to gain by limiting the free library to free
software only, so we use the Lesser General Public License.
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That's all there is to it!
system/3rd_party/pclzip/pclzip.lib.php
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// --------------------------------------------------------------------------------
// PclZip 2.8.2 - readme.txt
// --------------------------------------------------------------------------------
// License GNU/LGPL - August 2009
// Vincent Blavet - vincent@phpconcept.net
// http://www.phpconcept.net
// --------------------------------------------------------------------------------
// $Id: readme.txt,v 1.60 2009/09/30 20:35:21 vblavet Exp $
// --------------------------------------------------------------------------------
0 - Sommaire
============
1 - Introduction
2 - What's new
3 - Corrected bugs
4 - Known bugs or limitations
5 - License
6 - Warning
7 - Documentation
8 - Author
9 - Contribute
1 - Introduction
================
PclZip is a library that allow you to manage a Zip archive.
Full documentation about PclZip can be found here : http://www.phpconcept.net/pclzip
2 - What's new
==============
Version 2.8.2 :
- PCLZIP_CB_PRE_EXTRACT and PCLZIP_CB_POST_EXTRACT are now supported with
extraction as a string (PCLZIP_OPT_EXTRACT_AS_STRING). The string
can also be modified in the post-extract call back.
**Bugs correction :
- PCLZIP_OPT_REMOVE_ALL_PATH was not working correctly
- Remove use of eval() and do direct call to callback functions
- Correct support of 64bits systems (Thanks to WordPress team)
Version 2.8.1 :
- Move option PCLZIP_OPT_BY_EREG to PCLZIP_OPT_BY_PREG because ereg() is
deprecated in PHP 5.3. When using option PCLZIP_OPT_BY_EREG, PclZip will
automatically replace it by PCLZIP_OPT_BY_PREG.
Version 2.8 :
- Improve extraction of zip archive for large files by using temporary files
This feature is working like the one defined in r2.7.
Options are renamed : PCLZIP_OPT_TEMP_FILE_ON, PCLZIP_OPT_TEMP_FILE_OFF,
PCLZIP_OPT_TEMP_FILE_THRESHOLD
- Add a ratio constant PCLZIP_TEMPORARY_FILE_RATIO to configure the auto
sense of temporary file use.
- Bug correction : Reduce filepath in returned file list to remove ennoying
'.//' preambule in file path.
Version 2.7 :
- Improve creation of zip archive for large files :
PclZip will now autosense the configured memory and use temporary files
when large file is suspected.
This feature can also ne triggered by manual options in create() and add()
methods. 'PCLZIP_OPT_ADD_TEMP_FILE_ON' force the use of temporary files,
'PCLZIP_OPT_ADD_TEMP_FILE_OFF' disable the autosense technic,
'PCLZIP_OPT_ADD_TEMP_FILE_THRESHOLD' allow for configuration of a size
threshold to use temporary files.
Using "temporary files" rather than "memory" might take more time, but
might give the ability to zip very large files :
Tested on my win laptop with a 88Mo file :
Zip "in-memory" : 18sec (max_execution_time=30, memory_limit=180Mo)
Zip "tmporary-files" : 23sec (max_execution_time=30, memory_limit=30Mo)
- Replace use of mktime() by time() to limit the E_STRICT error messages.
- Bug correction : When adding files with full windows path (drive letter)
PclZip is now working. Before, if the drive letter is not the default
path, PclZip was not able to add the file.
Version 2.6 :
- Code optimisation
- New attributes PCLZIP_ATT_FILE_COMMENT gives the ability to
add a comment for a specific file. (Don't really know if this is usefull)
- New attribute PCLZIP_ATT_FILE_CONTENT gives the ability to add a string
as a file.
- New attribute PCLZIP_ATT_FILE_MTIME modify the timestamp associated with
a file.
- Correct a bug. Files archived with a timestamp with 0h0m0s were extracted
with current time
- Add CRC value in the informations returned back for each file after an
action.
- Add missing closedir() statement.
- When adding a folder, and removing the path of this folder, files were
incorrectly added with a '/' at the beginning. Which means files are
related to root in unix systems. Corrected.
- Add conditional if before constant definition. This will allow users
to redefine constants without changing the file, and then improve
upgrade of pclzip code for new versions.
Version 2.5 :
- Introduce the ability to add file/folder with individual properties (file descriptor).
This gives for example the ability to change the filename of a zipped file.
. Able to add files individually
. Able to change full name
. Able to change short name
. Compatible with global options
- New attributes : PCLZIP_ATT_FILE_NAME, PCLZIP_ATT_FILE_NEW_SHORT_NAME, PCLZIP_ATT_FILE_NEW_FULL_NAME
- New error code : PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE
- Add a security control feature. PclZip can extract any file in any folder
of a system. People may use this to upload a zip file and try to override
a system file. The PCLZIP_OPT_EXTRACT_DIR_RESTRICTION will give the
ability to forgive any directory transversal behavior.
- New PCLZIP_OPT_EXTRACT_DIR_RESTRICTION : check extraction path
- New error code : PCLZIP_ERR_DIRECTORY_RESTRICTION
- Modification in PclZipUtilPathInclusion() : dir and path beginning with ./ will be prepend
by current path (getcwd())
Version 2.4 :
- Code improvment : try to speed up the code by removing unusefull call to pack()
- Correct bug in delete() : delete() should be called with no argument. This was not
the case in 2.3. This is corrected in 2.4.
- Correct a bug in path_inclusion function. When the path has several '../../', the
result was bad.
- Add a check for magic_quotes_runtime configuration. If enabled, PclZip will
disable it while working and det it back to its original value.
This resolve a lots of bad formated archive errors.
- Bug correction : PclZip now correctly unzip file in some specific situation,
when compressed content has same size as uncompressed content.
- Bug correction : When selecting option 'PCLZIP_OPT_REMOVE_ALL_PATH',
directories are not any more created.
- Code improvment : correct unclosed opendir(), better handling of . and .. in
loops.
Version 2.3 :
- Correct a bug with PHP5 : affecting the value 0xFE49FFE0 to a variable does not
give the same result in PHP4 and PHP5 ....
Version 2.2 :
- Try development of PCLZIP_OPT_CRYPT .....
However this becomes to a stop. To crypt/decrypt I need to multiply 2 long integers,
the result (greater than a long) is not supported by PHP. Even the use of bcmath
functions does not help. I did not find yet a solution ...;
- Add missing '/' at end of directory entries
- Check is a file is encrypted or not. Returns status 'unsupported_encryption' and/or
error code PCLZIP_ERR_UNSUPPORTED_ENCRYPTION.
- Corrected : Bad "version need to extract" field in local file header
- Add private method privCheckFileHeaders() in order to check local and central
file headers. PclZip is now supporting purpose bit flag bit 3. Purpose bit flag bit 3 gives
the ability to have a local file header without size, compressed size and crc filled.
- Add a generic status 'error' for file status
- Add control of compression type. PclZip only support deflate compression method.
Before v2.2, PclZip does not check the compression method used in an archive while
extracting. With v2.2 PclZip returns a new error status for a file using an unsupported
compression method. New status is "unsupported_compression". New error code is
PCLZIP_ERR_UNSUPPORTED_COMPRESSION.
- Add optional attribute PCLZIP_OPT_STOP_ON_ERROR. This will stop the extract of files
when errors like 'a folder with same name exists' or 'a newer file exists' or
'a write protected file' exists, rather than set a status for the concerning file
and resume the extract of the zip.
- Add optional attribute PCLZIP_OPT_REPLACE_NEWER. This will force, during an extract' the
replacement of the file, even if a newer version of the file exists.
Note that today if a file with the same name already exists but is older it will be
replaced by the extracted one.
- Improve PclZipUtilOption()
- Support of zip archive with trailing bytes. Before 2.2, PclZip checks that the central
directory structure is the last data in the archive. Crypt encryption/decryption of
zip archive put trailing 0 bytes after decryption. PclZip is now supporting this.
Version 2.1 :
- Add the ability to abort the extraction by using a user callback function.
The user can now return the value '2' in its callback which indicates to stop the
extraction. For a pre call-back extract is stopped before the extration of the current
file. For a post call back, the extraction is stopped after.
- Add the ability to extract a file (or several files) directly in the standard output.
This is done by the new parameter PCLZIP_OPT_EXTRACT_IN_OUTPUT with method extract().
- Add support for parameters PCLZIP_OPT_COMMENT, PCLZIP_OPT_ADD_COMMENT,
PCLZIP_OPT_PREPEND_COMMENT. This will create, replace, add, or prepend comments
in the zip archive.
- When merging two archives, the comments are not any more lost, but merged, with a
blank space separator.
- Corrected bug : Files are not deleted when all files are asked to be deleted.
- Corrected bug : Folders with name '0' made PclZip to abort the create or add feature.
Version 2.0 :
***** Warning : Some new features may break the backward compatibility for your scripts.
Please carefully read the readme file.
- Add the ability to delete by Index, name and regular expression. This feature is
performed by the method delete(), which uses the optional parameters
PCLZIP_OPT_BY_INDEX, PCLZIP_OPT_BY_NAME, PCLZIP_OPT_BY_EREG or PCLZIP_OPT_BY_PREG.
- Add the ability to extract by regular expression. To extract by regexp you must use the method
extract(), with the option PCLZIP_OPT_BY_EREG or PCLZIP_OPT_BY_PREG
(depending if you want to use ereg() or preg_match() syntax) followed by the
regular expression pattern.
- Add the ability to extract by index, directly with the extract() method. This is a
code improvment of the extractByIndex() method.
- Add the ability to extract by name. To extract by name you must use the method
extract(), with the option PCLZIP_OPT_BY_NAME followed by the filename to
extract or an array of filenames to extract. To extract all a folder, use the folder
name rather than the filename with a '/' at the end.
- Add the ability to add files without compression. This is done with a new attribute
which is PCLZIP_OPT_NO_COMPRESSION.
- Add the attribute PCLZIP_OPT_EXTRACT_AS_STRING, which allow to extract a file directly
in a string without using any file (or temporary file).
- Add constant PCLZIP_SEPARATOR for static configuration of filename separators in a single string.
The default separator is now a comma (,) and not any more a blank space.
THIS BREAK THE BACKWARD COMPATIBILITY : Please check if this may have an impact with
your script.
- Improve algorythm performance by removing the use of temporary files when adding or
extracting files in an archive.
- Add (correct) detection of empty filename zipping. This can occurs when the removed
path is the same
as a zipped dir. The dir is not zipped (['status'] = filtered), only its content.
- Add better support for windows paths (thanks for help from manus@manusfreedom.com).
- Corrected bug : When the archive file already exists with size=0, the add() method
fails. Corrected in 2.0.
- Remove the use of OS_WINDOWS constant. Use php_uname() function rather.
- Control the order of index ranges in extract by index feature.
- Change the internal management of folders (better handling of internal flag).
Version 1.3 :
- Removing the double include check. This is now done by include_once() and require_once()
PHP directives.
- Changing the error handling mecanism : Remove the use of an external error library.
The former PclError...() functions are replaced by internal equivalent methods.
By changing the environment variable PCLZIP_ERROR_EXTERNAL you can still use the former library.
Introducing the use of constants for error codes rather than integer values. This will help
in futur improvment.
Introduction of error handling functions like errorCode(), errorName() and errorInfo().
- Remove the deprecated use of calling function with arguments passed by reference.
- Add the calling of extract(), extractByIndex(), create() and add() functions
with variable options rather than fixed arguments.
- Add the ability to remove all the file path while extracting or adding,
without any need to specify the path to remove.
This is available for extract(), extractByIndex(), create() and add() functionS by using
the new variable options parameters :
- PCLZIP_OPT_REMOVE_ALL_PATH : by indicating this option while calling the fct.
- Ability to change the mode of a file after the extraction (chmod()).
This is available for extract() and extractByIndex() functionS by using
the new variable options parameters.
- PCLZIP_OPT_SET_CHMOD : by setting the value of this option.
- Ability to definition call-back options. These call-back will be called during the adding,
or the extracting of file (extract(), extractByIndex(), create() and add() functions) :
- PCLZIP_CB_PRE_EXTRACT : will be called before each extraction of a file. The user
can trigerred the change the filename of the extracted file. The user can triggered the
skip of the extraction. This is adding a 'skipped' status in the file list result value.
- PCLZIP_CB_POST_EXTRACT : will be called after each extraction of a file.
Nothing can be triggered from that point.
- PCLZIP_CB_PRE_ADD : will be called before each add of a file. The user
can trigerred the change the stored filename of the added file. The user can triggered the
skip of the add. This is adding a 'skipped' status in the file list result value.
- PCLZIP_CB_POST_ADD : will be called after each add of a file.
Nothing can be triggered from that point.
- Two status are added in the file list returned as function result : skipped & filename_too_long
'skipped' is used when a call-back function ask for skipping the file.
'filename_too_long' is used while adding a file with a too long filename to archive (the file is
not added)
- Adding the function PclZipUtilPathInclusion(), that check the inclusion of a path into
a directory.
- Add a check of the presence of the archive file before some actions (like list, ...)
- Add the initialisation of field "index" in header array. This means that by
default index will be -1 when not explicitly set by the methods.
Version 1.2 :
- Adding a duplicate function.
- Adding a merge function. The merge function is a "quick merge" function,
it just append the content of an archive at the end of the first one. There
is no check for duplicate files or more recent files.
- Improve the search of the central directory end.
Version 1.1.2 :
- Changing the license of PclZip. PclZip is now released under the GNU / LGPL license
(see License section).
- Adding the optional support of a static temporary directory. You will need to configure
the constant PCLZIP_TEMPORARY_DIR if you want to use this feature.
- Improving the rename() function. In some cases rename() does not work (different
Filesystems), so it will be replaced by a copy() + unlink() functions.
Version 1.1.1 :
- Maintenance release, no new feature.
Version 1.1 :
- New method Add() : adding files in the archive
- New method ExtractByIndex() : partial extract of the archive, files are identified by
their index in the archive
- New method DeleteByIndex() : delete some files/folder entries from the archive,
files are identified by their index in the archive.
- Adding a test of the zlib extension presence. If not present abort the script.
Version 1.0.1 :
- No new feature
3 - Corrected bugs
==================
Corrected in Version 2.0 :
- Corrected : During an extraction, if a call-back fucntion is used and try to skip
a file, all the extraction process is stopped.
Corrected in Version 1.3 :
- Corrected : Support of static synopsis for method extract() is broken.
- Corrected : invalid size of archive content field (0xFF) should be (0xFFFF).
- Corrected : When an extract is done with a remove_path parameter, the entry for
the directory with exactly the same path is not skipped/filtered.
- Corrected : extractByIndex() and deleteByIndex() were not managing index in the
right way. For example indexes '1,3-5,11' will only extract files 1 and 11. This
is due to a sort of the index resulting table that puts 11 before 3-5 (sort on
string and not interger). The sort is temporarilly removed, this means that
you must provide a sorted list of index ranges.
Corrected in Version 1.2 :
- Nothing.
Corrected in Version 1.1.2 :
- Corrected : Winzip is unable to delete or add new files in a PclZip created archives.
Corrected in Version 1.1.1 :
- Corrected : When archived file is not compressed (0% compression), the
extract method fails.
Corrected in Version 1.1 :
- Corrected : Adding a complete tree of folder may result in a bad archive
creation.
Corrected in Version 1.0.1 :
- Corrected : Error while compressing files greater than PCLZIP_READ_BLOCK_SIZE (default=1024).
4 - Known bugs or limitations
=============================
Please publish bugs reports in SourceForge :
http://sourceforge.net/tracker/?group_id=40254&atid=427564
In Version 2.x :
- PclZip does only support file uncompressed or compressed with deflate (compression method 8)
- PclZip does not support password protected zip archive
- Some concern were seen when changing mtime of a file while archiving.
Seems to be linked to Daylight Saving Time (PclTest_changing_mtime).
In Version 1.2 :
- merge() methods does not check for duplicate files or last date of modifications.
In Version 1.1 :
- Limitation : Using 'extract' fields in the file header in the zip archive is not supported.
- WinZip is unable to delete a single file in a PclZip created archive. It is also unable to
add a file in a PclZip created archive. (Corrected in v.1.2)
In Version 1.0.1 :
- Adding a complete tree of folder may result in a bad archive
creation. (Corrected in V.1.1).
- Path given to methods must be in the unix format (/) and not the Windows format (\).
Workaround : Use only / directory separators.
- PclZip is using temporary files that are sometime the name of the file with a .tmp or .gz
added suffix. Files with these names may already exist and may be overwritten.
Workaround : none.
- PclZip does not check if the zlib extension is present. If it is absent, the zip
file is not created and the lib abort without warning.
Workaround : enable the zlib extension on the php install
In Version 1.0 :
- Error while compressing files greater than PCLZIP_READ_BLOCK_SIZE (default=1024).
(Corrected in v.1.0.1)
- Limitation : Multi-disk zip archive are not supported.
5 - License
===========
Since version 1.1.2, PclZip Library is released under GNU/LGPL license.
This library is free, so you can use it at no cost.
HOWEVER, if you release a script, an application, a library or any kind of
code using PclZip library (or a part of it), YOU MUST :
- Indicate in the documentation (or a readme file), that your work
uses PclZip Library, and make a reference to the author and the web site
http://www.phpconcept.net
- Gives the ability to the final user to update the PclZip libary.
I will also appreciate that you send me a mail (vincent@phpconcept.net), just to
be aware that someone is using PclZip.
For more information about GNU/LGPL license : http://www.gnu.org
6 - Warning
=================
This library and the associated files are non commercial, non professional work.
It should not have unexpected results. However if any damage is caused by this software
the author can not be responsible.
The use of this software is at the risk of the user.
7 - Documentation
=================
PclZip User Manuel is available in English on PhpConcept : http://www.phpconcept.net/pclzip/man/en/index.php
A Russian translation was done by Feskov Kuzma : http://php.russofile.ru/ru/authors/unsort/zip/
8 - Author
==========
This software was written by Vincent Blavet (vincent@phpconcept.net) on its leasure time.
9 - Contribute
==============
If you want to contribute to the development of PclZip, please contact vincent@phpconcept.net.
If you can help in financing PhpConcept hosting service, please go to
http://www.phpconcept.net/soutien.php