wp/wp-includes/SimplePie/gzdecode.php
changeset 16 a86126ab1dd4
parent 0 d970ebf37754
equal deleted inserted replaced
15:3d4e9c994f10 16:a86126ab1dd4
     3  * SimplePie
     3  * SimplePie
     4  *
     4  *
     5  * A PHP-Based RSS and Atom Feed Framework.
     5  * A PHP-Based RSS and Atom Feed Framework.
     6  * Takes the hard work out of managing a complete RSS/Atom solution.
     6  * Takes the hard work out of managing a complete RSS/Atom solution.
     7  *
     7  *
     8  * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
     8  * Copyright (c) 2004-2016, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors
     9  * All rights reserved.
     9  * All rights reserved.
    10  *
    10  *
    11  * Redistribution and use in source and binary forms, with or without modification, are
    11  * Redistribution and use in source and binary forms, with or without modification, are
    12  * permitted provided that the following conditions are met:
    12  * permitted provided that the following conditions are met:
    13  *
    13  *
    31  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
    31  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
    32  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    32  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    33  * POSSIBILITY OF SUCH DAMAGE.
    33  * POSSIBILITY OF SUCH DAMAGE.
    34  *
    34  *
    35  * @package SimplePie
    35  * @package SimplePie
    36  * @version 1.3.1
    36  * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue
    37  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
       
    38  * @author Ryan Parman
    37  * @author Ryan Parman
    39  * @author Geoffrey Sneddon
    38  * @author Sam Sneddon
    40  * @author Ryan McCue
    39  * @author Ryan McCue
    41  * @link http://simplepie.org/ SimplePie
    40  * @link http://simplepie.org/ SimplePie
    42  * @license http://www.opensource.org/licenses/bsd-license.php BSD License
    41  * @license http://www.opensource.org/licenses/bsd-license.php BSD License
    43  */
    42  */
    44 
    43 
   337 			// Decompress the actual data
   336 			// Decompress the actual data
   338 			if (($this->data = gzinflate(substr($this->compressed_data, $this->position, -8))) === false)
   337 			if (($this->data = gzinflate(substr($this->compressed_data, $this->position, -8))) === false)
   339 			{
   338 			{
   340 				return false;
   339 				return false;
   341 			}
   340 			}
   342 			else
   341 
   343 			{
   342 			$this->position = $this->compressed_size - 8;
   344 				$this->position = $this->compressed_size - 8;
       
   345 			}
       
   346 
   343 
   347 			// Check CRC of data
   344 			// Check CRC of data
   348 			$crc = current(unpack('V', substr($this->compressed_data, $this->position, 4)));
   345 			$crc = current(unpack('V', substr($this->compressed_data, $this->position, 4)));
   349 			$this->position += 4;
   346 			$this->position += 4;
   350 			/*if (extension_loaded('hash') && sprintf('%u', current(unpack('V', hash('crc32b', $this->data)))) !== sprintf('%u', $crc))
   347 			/*if (extension_loaded('hash') && sprintf('%u', current(unpack('V', hash('crc32b', $this->data)))) !== sprintf('%u', $crc))
   361 			}
   358 			}
   362 
   359 
   363 			// Wow, against all odds, we've actually got a valid gzip string
   360 			// Wow, against all odds, we've actually got a valid gzip string
   364 			return true;
   361 			return true;
   365 		}
   362 		}
   366 		else
   363 
   367 		{
   364 		return false;
   368 			return false;
       
   369 		}
       
   370 	}
   365 	}
   371 }
   366 }