Update website
This commit is contained in:
parent
41ce1aa076
commit
ea0eb1c6e0
4222 changed files with 721797 additions and 14 deletions
334
admin/phpMyAdmin/libraries/classes/ZipExtension.php
Normal file
334
admin/phpMyAdmin/libraries/classes/ZipExtension.php
Normal file
|
|
@ -0,0 +1,334 @@
|
|||
<?php
|
||||
/**
|
||||
* Interface for the zip extension
|
||||
*/
|
||||
|
||||
declare(strict_types=1);
|
||||
|
||||
namespace PhpMyAdmin;
|
||||
|
||||
use ZipArchive;
|
||||
|
||||
use function __;
|
||||
use function array_combine;
|
||||
use function count;
|
||||
use function crc32;
|
||||
use function getdate;
|
||||
use function gzcompress;
|
||||
use function implode;
|
||||
use function is_array;
|
||||
use function is_string;
|
||||
use function pack;
|
||||
use function preg_match;
|
||||
use function sprintf;
|
||||
use function str_replace;
|
||||
use function strcmp;
|
||||
use function strlen;
|
||||
use function strpos;
|
||||
use function substr;
|
||||
|
||||
/**
|
||||
* Transformations class
|
||||
*/
|
||||
class ZipExtension
|
||||
{
|
||||
/** @var ZipArchive|null */
|
||||
private $zip;
|
||||
|
||||
public function __construct(?ZipArchive $zip = null)
|
||||
{
|
||||
$this->zip = $zip;
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets zip file contents
|
||||
*
|
||||
* @param string $file path to zip file
|
||||
* @param string $specificEntry regular expression to match a file
|
||||
*
|
||||
* @return array ($error_message, $file_data); $error_message
|
||||
* is empty if no error
|
||||
*/
|
||||
public function getContents($file, $specificEntry = null)
|
||||
{
|
||||
/**
|
||||
* This function is used to "import" a SQL file which has been exported earlier
|
||||
* That means that this function works on the assumption that the zip file contains only a single SQL file
|
||||
* It might also be an ODS file, look below
|
||||
*/
|
||||
|
||||
if ($this->zip === null) {
|
||||
return [
|
||||
'error' => sprintf(__('The %s extension is missing. Please check your PHP configuration.'), 'zip'),
|
||||
'data' => '',
|
||||
];
|
||||
}
|
||||
|
||||
$errorMessage = '';
|
||||
$fileData = '';
|
||||
|
||||
$res = $this->zip->open($file);
|
||||
|
||||
if ($res !== true) {
|
||||
$errorMessage = __('Error in ZIP archive:') . ' ' . $this->zip->getStatusString();
|
||||
$this->zip->close();
|
||||
|
||||
return [
|
||||
'error' => $errorMessage,
|
||||
'data' => $fileData,
|
||||
];
|
||||
}
|
||||
|
||||
if ($this->zip->numFiles === 0) {
|
||||
$errorMessage = __('No files found inside ZIP archive!');
|
||||
$this->zip->close();
|
||||
|
||||
return [
|
||||
'error' => $errorMessage,
|
||||
'data' => $fileData,
|
||||
];
|
||||
}
|
||||
|
||||
/* Is the the zip really an ODS file? */
|
||||
$odsMediaType = 'application/vnd.oasis.opendocument.spreadsheet';
|
||||
$firstZipEntry = $this->zip->getFromIndex(0);
|
||||
if (! strcmp($odsMediaType, (string) $firstZipEntry)) {
|
||||
$specificEntry = '/^content\.xml$/';
|
||||
}
|
||||
|
||||
if (! isset($specificEntry)) {
|
||||
$fileData = $firstZipEntry;
|
||||
$this->zip->close();
|
||||
|
||||
return [
|
||||
'error' => $errorMessage,
|
||||
'data' => $fileData,
|
||||
];
|
||||
}
|
||||
|
||||
/* Return the correct contents, not just the first entry */
|
||||
for ($i = 0; $i < $this->zip->numFiles; $i++) {
|
||||
if (preg_match($specificEntry, (string) $this->zip->getNameIndex($i))) {
|
||||
$fileData = $this->zip->getFromIndex($i);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* Couldn't find any files that matched $specific_entry */
|
||||
if (empty($fileData)) {
|
||||
$errorMessage = __('Error in ZIP archive:')
|
||||
. ' Could not find "' . $specificEntry . '"';
|
||||
}
|
||||
|
||||
$this->zip->close();
|
||||
|
||||
return [
|
||||
'error' => $errorMessage,
|
||||
'data' => $fileData,
|
||||
];
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the filename of the first file that matches the given $file_regexp.
|
||||
*
|
||||
* @param string $file path to zip file
|
||||
* @param string $regex regular expression for the file name to match
|
||||
*
|
||||
* @return string|false the file name of the first file that matches the given regular expression
|
||||
*/
|
||||
public function findFile($file, $regex)
|
||||
{
|
||||
if ($this->zip === null) {
|
||||
return false;
|
||||
}
|
||||
|
||||
$res = $this->zip->open($file);
|
||||
|
||||
if ($res === true) {
|
||||
for ($i = 0; $i < $this->zip->numFiles; $i++) {
|
||||
if (preg_match($regex, (string) $this->zip->getNameIndex($i))) {
|
||||
$filename = $this->zip->getNameIndex($i);
|
||||
$this->zip->close();
|
||||
|
||||
return $filename;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the number of files in the zip archive.
|
||||
*
|
||||
* @param string $file path to zip file
|
||||
*
|
||||
* @return int the number of files in the zip archive or 0, either if there weren't any files or an error occurred.
|
||||
*/
|
||||
public function getNumberOfFiles($file)
|
||||
{
|
||||
if ($this->zip === null) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
$num = 0;
|
||||
$res = $this->zip->open($file);
|
||||
|
||||
if ($res === true) {
|
||||
$num = $this->zip->numFiles;
|
||||
}
|
||||
|
||||
return $num;
|
||||
}
|
||||
|
||||
/**
|
||||
* Extracts the content of $entry.
|
||||
*
|
||||
* @param string $file path to zip file
|
||||
* @param string $entry file in the archive that should be extracted
|
||||
*
|
||||
* @return string|false data on success, false otherwise
|
||||
*/
|
||||
public function extract($file, $entry)
|
||||
{
|
||||
if ($this->zip === null) {
|
||||
return false;
|
||||
}
|
||||
|
||||
if ($this->zip->open($file) === true) {
|
||||
$result = $this->zip->getFromName($entry);
|
||||
$this->zip->close();
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Creates a zip file.
|
||||
* If $data is an array and $name is a string, the filenames will be indexed.
|
||||
* The function will return false if $data is a string but $name is an array
|
||||
* or if $data is an array and $name is an array, but they don't have the
|
||||
* same amount of elements.
|
||||
*
|
||||
* @param array|string $data contents of the file/files
|
||||
* @param array|string $name name of the file/files in the archive
|
||||
* @param int $time the current timestamp
|
||||
*
|
||||
* @return string|bool the ZIP file contents, or false if there was an error.
|
||||
*/
|
||||
public function createFile($data, $name, $time = 0)
|
||||
{
|
||||
$datasec = []; // Array to store compressed data
|
||||
$ctrlDir = []; // Central directory
|
||||
$oldOffset = 0; // Last offset position
|
||||
$eofCtrlDir = "\x50\x4b\x05\x06\x00\x00\x00\x00"; // End of central directory record
|
||||
|
||||
if (is_string($data) && is_string($name)) {
|
||||
$data = [$name => $data];
|
||||
} elseif (is_array($data) && is_string($name)) {
|
||||
$extPos = (int) strpos($name, '.');
|
||||
$extension = substr($name, $extPos);
|
||||
$newData = [];
|
||||
foreach ($data as $key => $value) {
|
||||
$newName = str_replace($extension, '_' . $key . $extension, $name);
|
||||
$newData[$newName] = $value;
|
||||
}
|
||||
|
||||
$data = $newData;
|
||||
} elseif (is_array($data) && is_array($name) && count($data) === count($name)) {
|
||||
/** @var array $data */
|
||||
$data = array_combine($name, $data);
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
|
||||
foreach ($data as $table => $dump) {
|
||||
$tempName = str_replace('\\', '/', $table);
|
||||
|
||||
/* Get Local Time */
|
||||
$timearray = getdate();
|
||||
|
||||
if ($timearray['year'] < 1980) {
|
||||
$timearray['year'] = 1980;
|
||||
$timearray['mon'] = 1;
|
||||
$timearray['mday'] = 1;
|
||||
$timearray['hours'] = 0;
|
||||
$timearray['minutes'] = 0;
|
||||
$timearray['seconds'] = 0;
|
||||
}
|
||||
|
||||
$time = $timearray['year'] - 1980 << 25
|
||||
| ($timearray['mon'] << 21)
|
||||
| ($timearray['mday'] << 16)
|
||||
| ($timearray['hours'] << 11)
|
||||
| ($timearray['minutes'] << 5)
|
||||
| ($timearray['seconds'] >> 1);
|
||||
|
||||
$hexdtime = pack('V', $time);
|
||||
|
||||
$uncLen = strlen($dump);
|
||||
$crc = crc32($dump);
|
||||
$zdata = (string) gzcompress($dump);
|
||||
$zdata = substr((string) substr($zdata, 0, strlen($zdata) - 4), 2); // fix crc bug
|
||||
$cLen = strlen($zdata);
|
||||
$fr = "\x50\x4b\x03\x04"
|
||||
. "\x14\x00" // ver needed to extract
|
||||
. "\x00\x00" // gen purpose bit flag
|
||||
. "\x08\x00" // compression method
|
||||
. $hexdtime // last mod time and date
|
||||
|
||||
// "local file header" segment
|
||||
. pack('V', $crc) // crc32
|
||||
. pack('V', $cLen) // compressed filesize
|
||||
. pack('V', $uncLen) // uncompressed filesize
|
||||
. pack('v', strlen($tempName)) // length of filename
|
||||
. pack('v', 0) // extra field length
|
||||
. $tempName
|
||||
|
||||
// "file data" segment
|
||||
. $zdata;
|
||||
|
||||
$datasec[] = $fr;
|
||||
|
||||
// now add to central directory record
|
||||
$cdrec = "\x50\x4b\x01\x02"
|
||||
. "\x00\x00" // version made by
|
||||
. "\x14\x00" // version needed to extract
|
||||
. "\x00\x00" // gen purpose bit flag
|
||||
. "\x08\x00" // compression method
|
||||
. $hexdtime // last mod time & date
|
||||
. pack('V', $crc) // crc32
|
||||
. pack('V', $cLen) // compressed filesize
|
||||
. pack('V', $uncLen) // uncompressed filesize
|
||||
. pack('v', strlen($tempName)) // length of filename
|
||||
. pack('v', 0) // extra field length
|
||||
. pack('v', 0) // file comment length
|
||||
. pack('v', 0) // disk number start
|
||||
. pack('v', 0) // internal file attributes
|
||||
. pack('V', 32) // external file attributes
|
||||
// - 'archive' bit set
|
||||
. pack('V', $oldOffset) // relative offset of local header
|
||||
. $tempName; // filename
|
||||
$oldOffset += strlen($fr);
|
||||
// optional extra field, file comment goes here
|
||||
// save to central directory
|
||||
$ctrlDir[] = $cdrec;
|
||||
}
|
||||
|
||||
/* Build string to return */
|
||||
$tempCtrlDir = implode('', $ctrlDir);
|
||||
$header = $tempCtrlDir .
|
||||
$eofCtrlDir .
|
||||
pack('v', count($ctrlDir)) . //total #of entries "on this disk"
|
||||
pack('v', count($ctrlDir)) . //total #of entries overall
|
||||
pack('V', strlen($tempCtrlDir)) . //size of central dir
|
||||
pack('V', $oldOffset) . //offset to start of central dir
|
||||
"\x00\x00"; //.zip file comment length
|
||||
|
||||
$data = implode('', $datasec);
|
||||
|
||||
return $data . $header;
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue