Merge pull request #363 from inthepoche/dev1.3.0

poche 1.3.0

1 files changed, 371 insertions, 0 deletions

diff --git a/inc/3rdparty/libraries/simplepie/library/SimplePie/gzdecode.php b/inc/3rdparty/libraries/simplepie/library/SimplePie/gzdecode.php
new file mode 100644
index 00000000..52e024ea
--- /dev/null
+++ b/inc/3rdparty/libraries/simplepie/library/SimplePie/gzdecode.php
@@ -0,0 +1,371 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * 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 SimplePie Team 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 THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS 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.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+
+/**
+ * Decode 'gzip' encoded HTTP data
+ *
+ * @package SimplePie
+ * @subpackage HTTP
+ * @link http://www.gzip.org/format.txt
+ */
+class SimplePie_gzdecode
+{
+        /**
+         * Compressed data
+         *
+         * @access private
+         * @var string
+         * @see gzdecode::$data
+         */
+        var $compressed_data;
+
+        /**
+         * Size of compressed data
+         *
+         * @access private
+         * @var int
+         */
+        var $compressed_size;
+
+        /**
+         * Minimum size of a valid gzip string
+         *
+         * @access private
+         * @var int
+         */
+        var $min_compressed_size = 18;
+
+        /**
+         * Current position of pointer
+         *
+         * @access private
+         * @var int
+         */
+        var $position = 0;
+
+        /**
+         * Flags (FLG)
+         *
+         * @access private
+         * @var int
+         */
+        var $flags;
+
+        /**
+         * Uncompressed data
+         *
+         * @access public
+         * @see gzdecode::$compressed_data
+         * @var string
+         */
+        var $data;
+
+        /**
+         * Modified time
+         *
+         * @access public
+         * @var int
+         */
+        var $MTIME;
+
+        /**
+         * Extra Flags
+         *
+         * @access public
+         * @var int
+         */
+        var $XFL;
+
+        /**
+         * Operating System
+         *
+         * @access public
+         * @var int
+         */
+        var $OS;
+
+        /**
+         * Subfield ID 1
+         *
+         * @access public
+         * @see gzdecode::$extra_field
+         * @see gzdecode::$SI2
+         * @var string
+         */
+        var $SI1;
+
+        /**
+         * Subfield ID 2
+         *
+         * @access public
+         * @see gzdecode::$extra_field
+         * @see gzdecode::$SI1
+         * @var string
+         */
+        var $SI2;
+
+        /**
+         * Extra field content
+         *
+         * @access public
+         * @see gzdecode::$SI1
+         * @see gzdecode::$SI2
+         * @var string
+         */
+        var $extra_field;
+
+        /**
+         * Original filename
+         *
+         * @access public
+         * @var string
+         */
+        var $filename;
+
+        /**
+         * Human readable comment
+         *
+         * @access public
+         * @var string
+         */
+        var $comment;
+
+        /**
+         * Don't allow anything to be set
+         *
+         * @param string $name
+         * @param mixed $value
+         */
+        public function __set($name, $value)
+        {
+                trigger_error("Cannot write property $name", E_USER_ERROR);
+        }
+
+        /**
+         * Set the compressed string and related properties
+         *
+         * @param string $data
+         */
+        public function __construct($data)
+        {
+                $this->compressed_data = $data;
+                $this->compressed_size = strlen($data);
+        }
+
+        /**
+         * Decode the GZIP stream
+         *
+         * @return bool Successfulness
+         */
+        public function parse()
+        {
+                if ($this->compressed_size >= $this->min_compressed_size)
+                {
+                        // Check ID1, ID2, and CM
+                        if (substr($this->compressed_data, 0, 3) !== "\x1F\x8B\x08")
+                        {
+                                return false;
+                        }
+
+                        // Get the FLG (FLaGs)
+                        $this->flags = ord($this->compressed_data[3]);
+
+                        // FLG bits above (1 << 4) are reserved
+                        if ($this->flags > 0x1F)
+                        {
+                                return false;
+                        }
+
+                        // Advance the pointer after the above
+                        $this->position += 4;
+
+                        // MTIME
+                        $mtime = substr($this->compressed_data, $this->position, 4);
+                        // Reverse the string if we're on a big-endian arch because l is the only signed long and is machine endianness
+                        if (current(unpack('S', "\x00\x01")) === 1)
+                        {
+                                $mtime = strrev($mtime);
+                        }
+                        $this->MTIME = current(unpack('l', $mtime));
+                        $this->position += 4;
+
+                        // Get the XFL (eXtra FLags)
+                        $this->XFL = ord($this->compressed_data[$this->position++]);
+
+                        // Get the OS (Operating System)
+                        $this->OS = ord($this->compressed_data[$this->position++]);
+
+                        // Parse the FEXTRA
+                        if ($this->flags & 4)
+                        {
+                                // Read subfield IDs
+                                $this->SI1 = $this->compressed_data[$this->position++];
+                                $this->SI2 = $this->compressed_data[$this->position++];
+
+                                // SI2 set to zero is reserved for future use
+                                if ($this->SI2 === "\x00")
+                                {
+                                        return false;
+                                }
+
+                                // Get the length of the extra field
+                                $len = current(unpack('v', substr($this->compressed_data, $this->position, 2)));
+                                $this->position += 2;
+
+                                // Check the length of the string is still valid
+                                $this->min_compressed_size += $len + 4;
+                                if ($this->compressed_size >= $this->min_compressed_size)
+                                {
+                                        // Set the extra field to the given data
+                                        $this->extra_field = substr($this->compressed_data, $this->position, $len);
+                                        $this->position += $len;
+                                }
+                                else
+                                {
+                                        return false;
+                                }
+                        }
+
+                        // Parse the FNAME
+                        if ($this->flags & 8)
+                        {
+                                // Get the length of the filename
+                                $len = strcspn($this->compressed_data, "\x00", $this->position);
+
+                                // Check the length of the string is still valid
+                                $this->min_compressed_size += $len + 1;
+                                if ($this->compressed_size >= $this->min_compressed_size)
+                                {
+                                        // Set the original filename to the given string
+                                        $this->filename = substr($this->compressed_data, $this->position, $len);
+                                        $this->position += $len + 1;
+                                }
+                                else
+                                {
+                                        return false;
+                                }
+                        }
+
+                        // Parse the FCOMMENT
+                        if ($this->flags & 16)
+                        {
+                                // Get the length of the comment
+                                $len = strcspn($this->compressed_data, "\x00", $this->position);
+
+                                // Check the length of the string is still valid
+                                $this->min_compressed_size += $len + 1;
+                                if ($this->compressed_size >= $this->min_compressed_size)
+                                {
+                                        // Set the original comment to the given string
+                                        $this->comment = substr($this->compressed_data, $this->position, $len);
+                                        $this->position += $len + 1;
+                                }
+                                else
+                                {
+                                        return false;
+                                }
+                        }
+
+                        // Parse the FHCRC
+                        if ($this->flags & 2)
+                        {
+                                // Check the length of the string is still valid
+                                $this->min_compressed_size += $len + 2;
+                                if ($this->compressed_size >= $this->min_compressed_size)
+                                {
+                                        // Read the CRC
+                                        $crc = current(unpack('v', substr($this->compressed_data, $this->position, 2)));
+
+                                        // Check the CRC matches
+                                        if ((crc32(substr($this->compressed_data, 0, $this->position)) & 0xFFFF) === $crc)
+                                        {
+                                                $this->position += 2;
+                                        }
+                                        else
+                                        {
+                                                return false;
+                                        }
+                                }
+                                else
+                                {
+                                        return false;
+                                }
+                        }
+
+                        // Decompress the actual data
+                        if (($this->data = gzinflate(substr($this->compressed_data, $this->position, -8))) === false)
+                        {
+                                return false;
+                        }
+                        else
+                        {
+                                $this->position = $this->compressed_size - 8;
+                        }
+
+                        // Check CRC of data
+                        $crc = current(unpack('V', substr($this->compressed_data, $this->position, 4)));
+                        $this->position += 4;
+                        /*if (extension_loaded('hash') && sprintf('%u', current(unpack('V', hash('crc32b', $this->data)))) !== sprintf('%u', $crc))
+                        {
+                                return false;
+                        }*/
+
+                        // Check ISIZE of data
+                        $isize = current(unpack('V', substr($this->compressed_data, $this->position, 4)));
+                        $this->position += 4;
+                        if (sprintf('%u', strlen($this->data) & 0xFFFFFFFF) !== sprintf('%u', $isize))
+                        {
+                                return false;
+                        }
+
+                        // Wow, against all odds, we've actually got a valid gzip string
+                        return true;
+                }
+                else
+                {
+                        return false;
+                }
+        }
+}