public function testCompressedStream()
{
$dir = $this->createTempDir("ezcArchive_");
// $file = $dir . "/blockfile";
$file = "compress.zlib://" . $dir . "/blockfile";
// Create the file.
// Blocksize = 4.
$bf = new ezcArchiveBlockFile($file, true, 4);
$this->assertFalse($bf->valid());
// Exact 1 block.
$bf->append("abcd");
$this->assertTrue($bf->valid());
$this->assertEquals(0, $bf->key(), "Current block should be 0");
$this->assertEquals(0, $bf->getLastBlockNumber(), "Last block should be 0");
// halve block.
$bf->append("ef");
$this->assertEquals(1, $bf->key(), "Current block should be 1");
$this->assertEquals(1, $bf->getLastBlockNumber(), "Last block should be 1");
// File should contain: abcdef\0\0
$this->assertEquals("abcdef", file_get_contents($file));
$bf->rewind();
$this->assertEquals(0, $bf->key(), "Current block should be 0");
$this->assertEquals("abcd", $bf->current());
$this->assertTrue($bf->valid());
$this->assertEquals(1, $bf->getLastBlockNumber());
try {
$bf->append("ZZ");
$this->fail("Expected an exception that the block could not be appended in the middle");
} catch (ezcArchiveException $e) {
}
$bf->next();
$bf->append("ZZ");
$this->assertEquals(2, $bf->key(), "Current block should be 0");
$this->assertEquals("ZZ", $bf->current());
$this->assertTrue($bf->valid());
$this->assertEquals(2, $bf->getLastBlockNumber());
}
/**
* Serializes this header and appends it to the given ezcArchiveBlockFile $archiveFile.
*
* @param ezcArchiveBlockFile $archiveFile
* @return void
*/
public function writeEncodedHeader(ezcArchiveBlockFile $archiveFile)
{
// Offset | Field size | Description
// ----------------------------------
// 0 | 100 | Name of file
// 100 | 8 | File mode
// 108 | 8 | Owner user ID
// 116 | 8 | Owner group ID
// 124 | 12 | Length of file in bytes
// 136 | 12 | Modify time of file
// 148 | 8 | Checksum for header
// 156 | 1 | Type flag.
// 157 | 100 | Name of linked file
// 257 | 6 | USTAR indicator.
// 263 | 2 | USTAR version.
// 265 | 32 | Owner user name.
// 297 | 32 | Owner group name.
// 329 | 8 | Major device number.
// 337 | 8 | Minor device number.
// 345 | 155 | Filename prefix.
// 500 | 12 | NUL.
if (ezcBaseFeatures::hasFunction('posix_getpwuid')) {
$posixName = posix_getpwuid($this->userId);
$posixGroup = posix_getgrgid($this->groupId);
} else {
$posixName['name'] = 'nobody';
$posixGroup['name'] = 'nogroup';
}
$enc = pack("a100a8a8a8a12a12a8a1a100a6a2a32a32a8a8a155a12", $this->fileName, str_pad($this->fileMode, 7, "0", STR_PAD_LEFT), str_pad(decoct($this->userId), 7, "0", STR_PAD_LEFT), str_pad(decoct($this->groupId), 7, "0", STR_PAD_LEFT), str_pad(decoct($this->fileSize), 11, "0", STR_PAD_LEFT), str_pad(decoct($this->modificationTime), 11, "0", STR_PAD_LEFT), " ", $this->type, $this->linkName, "ustar", "00", $posixName["name"], $posixGroup["name"], sprintf("%07s", decoct($this->deviceMajorNumber)), sprintf("%07s", decoct($this->deviceMinorNumber)), $this->filePrefix, "");
$enc = $this->setChecksum($enc);
$archiveFile->append($enc);
}
/**
* Serializes this header and appends it to the given ezcArchiveBlockFile $archiveFile.
*
* @param ezcArchiveBlockFile $archiveFile
* @return void
*/
public function writeEncodedHeader(ezcArchiveBlockFile $archiveFile)
{
// Offset | Field size | Description
// ----------------------------------
// 0 | 100 | Name of file
// 100 | 8 | File mode
// 108 | 8 | Owner user ID
// 116 | 8 | Owner group ID
// 124 | 12 | Length of file in bytes
// 136 | 12 | Modify time of file
// 148 | 8 | Checksum for header
// 156 | 1 | Indicator for links
// 157 | 100 | Name of linked file
// ------------------------------------------
// 257 | 72 | NUL.
// 329 | 8 | Compatibility with GNU tar: Major device set to: 00000000.
// 337 | 8 | Compatibility with GNU tar: Minor device set to: 00000000.
// 345 | 167 | NUL.
//
$enc = pack("a100a8a8a8a12a12a8a1a100a72a8a8a167", $this->fileName, str_pad($this->fileMode, 7, "0", STR_PAD_LEFT), str_pad(decoct($this->userId), 7, "0", STR_PAD_LEFT), str_pad(decoct($this->groupId), 7, "0", STR_PAD_LEFT), str_pad(decoct($this->fileSize), 11, "0", STR_PAD_LEFT), str_pad(decoct($this->modificationTime), 11, "0", STR_PAD_LEFT), " ", $this->type, $this->linkName, "", "0000000", "0000000", "");
$enc = $this->setChecksum($enc);
$archiveFile->append($enc);
}
