Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
chicpro
committed
Nov 17, 2015
1 parent
c0cd45c
commit 614dce6
Showing
8 changed files
with
332 additions
and
27 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Binary file not shown.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,271 @@ | ||
| <?php | ||
| define('NUM_BIG_BLOCK_DEPOT_BLOCKS_POS', 0x2c); | ||
| define('SMALL_BLOCK_DEPOT_BLOCK_POS', 0x3c); | ||
| define('ROOT_START_BLOCK_POS', 0x30); | ||
| define('BIG_BLOCK_SIZE', 0x200); | ||
| define('SMALL_BLOCK_SIZE', 0x40); | ||
| define('EXTENSION_BLOCK_POS', 0x44); | ||
| define('NUM_EXTENSION_BLOCK_POS', 0x48); | ||
| define('PROPERTY_STORAGE_BLOCK_SIZE', 0x80); | ||
| define('BIG_BLOCK_DEPOT_BLOCKS_POS', 0x4c); | ||
| define('SMALL_BLOCK_THRESHOLD', 0x1000); | ||
| // property storage offsets | ||
| define('SIZE_OF_NAME_POS', 0x40); | ||
| define('TYPE_POS', 0x42); | ||
| define('START_BLOCK_POS', 0x74); | ||
| define('SIZE_POS', 0x78); | ||
| define('IDENTIFIER_OLE', pack("CCCCCCCC",0xd0,0xcf,0x11,0xe0,0xa1,0xb1,0x1a,0xe1)); | ||
|
|
||
| //echo 'ROOT_START_BLOCK_POS = '.ROOT_START_BLOCK_POS."\n"; | ||
|
|
||
| //echo bin2hex($data[ROOT_START_BLOCK_POS])."\n"; | ||
| //echo "a="; | ||
| //echo $data[ROOT_START_BLOCK_POS]; | ||
| //function log | ||
|
|
||
| function GetInt4d($data, $pos) | ||
| { | ||
| $value = ord($data[$pos]) | (ord($data[$pos+1]) << 8) | (ord($data[$pos+2]) << 16) | (ord($data[$pos+3]) << 24); | ||
| if ($value>=4294967294) | ||
| { | ||
| $value=-2; | ||
| } | ||
| return $value; | ||
| } | ||
|
|
||
|
|
||
| class OLERead { | ||
| var $data = ''; | ||
|
|
||
|
|
||
| function OLERead(){ | ||
|
|
||
|
|
||
| } | ||
|
|
||
| function read($sFileName){ | ||
|
|
||
| // check if file exist and is readable (Darko Miljanovic) | ||
| if(!is_readable($sFileName)) { | ||
| $this->error = 1; | ||
| return false; | ||
| } | ||
|
|
||
| $this->data = @file_get_contents($sFileName); | ||
| if (!$this->data) { | ||
| $this->error = 1; | ||
| return false; | ||
| } | ||
| //echo IDENTIFIER_OLE; | ||
| //echo 'start'; | ||
| if (substr($this->data, 0, 8) != IDENTIFIER_OLE) { | ||
| $this->error = 1; | ||
| return false; | ||
| } | ||
| $this->numBigBlockDepotBlocks = GetInt4d($this->data, NUM_BIG_BLOCK_DEPOT_BLOCKS_POS); | ||
| $this->sbdStartBlock = GetInt4d($this->data, SMALL_BLOCK_DEPOT_BLOCK_POS); | ||
| $this->rootStartBlock = GetInt4d($this->data, ROOT_START_BLOCK_POS); | ||
| $this->extensionBlock = GetInt4d($this->data, EXTENSION_BLOCK_POS); | ||
| $this->numExtensionBlocks = GetInt4d($this->data, NUM_EXTENSION_BLOCK_POS); | ||
|
|
||
| /* | ||
| echo $this->numBigBlockDepotBlocks." "; | ||
| echo $this->sbdStartBlock." "; | ||
| echo $this->rootStartBlock." "; | ||
| echo $this->extensionBlock." "; | ||
| echo $this->numExtensionBlocks." "; | ||
| */ | ||
| //echo "sbdStartBlock = $this->sbdStartBlock\n"; | ||
| $bigBlockDepotBlocks = array(); | ||
| $pos = BIG_BLOCK_DEPOT_BLOCKS_POS; | ||
| // echo "pos = $pos"; | ||
| $bbdBlocks = $this->numBigBlockDepotBlocks; | ||
|
|
||
| if ($this->numExtensionBlocks != 0) { | ||
| $bbdBlocks = (BIG_BLOCK_SIZE - BIG_BLOCK_DEPOT_BLOCKS_POS)/4; | ||
| } | ||
|
|
||
| for ($i = 0; $i < $bbdBlocks; $i++) { | ||
| $bigBlockDepotBlocks[$i] = GetInt4d($this->data, $pos); | ||
| $pos += 4; | ||
| } | ||
|
|
||
|
|
||
| for ($j = 0; $j < $this->numExtensionBlocks; $j++) { | ||
| $pos = ($this->extensionBlock + 1) * BIG_BLOCK_SIZE; | ||
| $blocksToRead = min($this->numBigBlockDepotBlocks - $bbdBlocks, BIG_BLOCK_SIZE / 4 - 1); | ||
|
|
||
| for ($i = $bbdBlocks; $i < $bbdBlocks + $blocksToRead; $i++) { | ||
| $bigBlockDepotBlocks[$i] = GetInt4d($this->data, $pos); | ||
| $pos += 4; | ||
| } | ||
|
|
||
| $bbdBlocks += $blocksToRead; | ||
| if ($bbdBlocks < $this->numBigBlockDepotBlocks) { | ||
| $this->extensionBlock = GetInt4d($this->data, $pos); | ||
| } | ||
| } | ||
|
|
||
| // var_dump($bigBlockDepotBlocks); | ||
|
|
||
| // readBigBlockDepot | ||
| $pos = 0; | ||
| $index = 0; | ||
| $this->bigBlockChain = array(); | ||
|
|
||
| for ($i = 0; $i < $this->numBigBlockDepotBlocks; $i++) { | ||
| $pos = ($bigBlockDepotBlocks[$i] + 1) * BIG_BLOCK_SIZE; | ||
| //echo "pos = $pos"; | ||
| for ($j = 0 ; $j < BIG_BLOCK_SIZE / 4; $j++) { | ||
| $this->bigBlockChain[$index] = GetInt4d($this->data, $pos); | ||
| $pos += 4 ; | ||
| $index++; | ||
| } | ||
| } | ||
|
|
||
| //var_dump($this->bigBlockChain); | ||
| //echo '=====2'; | ||
| // readSmallBlockDepot(); | ||
| $pos = 0; | ||
| $index = 0; | ||
| $sbdBlock = $this->sbdStartBlock; | ||
| $this->smallBlockChain = array(); | ||
|
|
||
| while ($sbdBlock != -2) { | ||
|
|
||
| $pos = ($sbdBlock + 1) * BIG_BLOCK_SIZE; | ||
|
|
||
| for ($j = 0; $j < BIG_BLOCK_SIZE / 4; $j++) { | ||
| $this->smallBlockChain[$index] = GetInt4d($this->data, $pos); | ||
| $pos += 4; | ||
| $index++; | ||
| } | ||
|
|
||
| $sbdBlock = $this->bigBlockChain[$sbdBlock]; | ||
| } | ||
|
|
||
|
|
||
| // readData(rootStartBlock) | ||
| $block = $this->rootStartBlock; | ||
| $pos = 0; | ||
| $this->entry = $this->__readData($block); | ||
|
|
||
| /* | ||
| while ($block != -2) { | ||
| $pos = ($block + 1) * BIG_BLOCK_SIZE; | ||
| $this->entry = $this->entry.substr($this->data, $pos, BIG_BLOCK_SIZE); | ||
| $block = $this->bigBlockChain[$block]; | ||
| } | ||
| */ | ||
| //echo '==='.$this->entry."==="; | ||
| $this->__readPropertySets(); | ||
|
|
||
| } | ||
|
|
||
| function __readData($bl) { | ||
| $block = $bl; | ||
| $pos = 0; | ||
| $data = ''; | ||
|
|
||
| while ($block != -2) { | ||
| $pos = ($block + 1) * BIG_BLOCK_SIZE; | ||
| $data = $data.substr($this->data, $pos, BIG_BLOCK_SIZE); | ||
| //echo "pos = $pos data=$data\n"; | ||
| $block = $this->bigBlockChain[$block]; | ||
| } | ||
| return $data; | ||
| } | ||
|
|
||
| function __readPropertySets(){ | ||
| $offset = 0; | ||
| //var_dump($this->entry); | ||
| while ($offset < strlen($this->entry)) { | ||
| $d = substr($this->entry, $offset, PROPERTY_STORAGE_BLOCK_SIZE); | ||
|
|
||
| $nameSize = ord($d[SIZE_OF_NAME_POS]) | (ord($d[SIZE_OF_NAME_POS+1]) << 8); | ||
|
|
||
| $type = ord($d[TYPE_POS]); | ||
| //$maxBlock = strlen($d) / BIG_BLOCK_SIZE - 1; | ||
|
|
||
| $startBlock = GetInt4d($d, START_BLOCK_POS); | ||
| $size = GetInt4d($d, SIZE_POS); | ||
|
|
||
| $name = ''; | ||
| for ($i = 0; $i < $nameSize ; $i++) { | ||
| $name .= $d[$i]; | ||
| } | ||
|
|
||
| $name = str_replace("\x00", "", $name); | ||
|
|
||
| $this->props[] = array ( | ||
| 'name' => $name, | ||
| 'type' => $type, | ||
| 'startBlock' => $startBlock, | ||
| 'size' => $size); | ||
|
|
||
| if (($name == "Workbook") || ($name == "Book")) { | ||
| $this->wrkbook = count($this->props) - 1; | ||
| } | ||
|
|
||
| if ($name == "Root Entry") { | ||
| $this->rootentry = count($this->props) - 1; | ||
| } | ||
|
|
||
| //echo "name ==$name=\n"; | ||
|
|
||
|
|
||
| $offset += PROPERTY_STORAGE_BLOCK_SIZE; | ||
| } | ||
|
|
||
| } | ||
|
|
||
|
|
||
| function getWorkBook(){ | ||
| if ($this->props[$this->wrkbook]['size'] < SMALL_BLOCK_THRESHOLD){ | ||
| // getSmallBlockStream(PropertyStorage ps) | ||
|
|
||
| $rootdata = $this->__readData($this->props[$this->rootentry]['startBlock']); | ||
|
|
||
| $streamData = ''; | ||
| $block = $this->props[$this->wrkbook]['startBlock']; | ||
| //$count = 0; | ||
| $pos = 0; | ||
| while ($block != -2) { | ||
| $pos = $block * SMALL_BLOCK_SIZE; | ||
| $streamData .= substr($rootdata, $pos, SMALL_BLOCK_SIZE); | ||
|
|
||
| $block = $this->smallBlockChain[$block]; | ||
| } | ||
|
|
||
| return $streamData; | ||
|
|
||
|
|
||
| }else{ | ||
|
|
||
| $numBlocks = $this->props[$this->wrkbook]['size'] / BIG_BLOCK_SIZE; | ||
| if ($this->props[$this->wrkbook]['size'] % BIG_BLOCK_SIZE != 0) { | ||
| $numBlocks++; | ||
| } | ||
|
|
||
| if ($numBlocks == 0) return ''; | ||
|
|
||
| //echo "numBlocks = $numBlocks\n"; | ||
| //byte[] streamData = new byte[numBlocks * BIG_BLOCK_SIZE]; | ||
| //print_r($this->wrkbook); | ||
| $streamData = ''; | ||
| $block = $this->props[$this->wrkbook]['startBlock']; | ||
| //$count = 0; | ||
| $pos = 0; | ||
| //echo "block = $block"; | ||
| while ($block != -2) { | ||
| $pos = ($block + 1) * BIG_BLOCK_SIZE; | ||
| $streamData .= substr($this->data, $pos, BIG_BLOCK_SIZE); | ||
| $block = $this->bigBlockChain[$block]; | ||
| } | ||
| //echo 'stream'.$streamData; | ||
| return $streamData; | ||
| } | ||
| } | ||
|
|
||
| } | ||
| ?> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.