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<?php
namespace PhpZip\Model;
use PhpZip\Constants\ZipEncryptionMethod;
use PhpZip\Exception\InvalidArgumentException;
use PhpZip\Exception\ZipEntryNotFoundException;
use PhpZip\Exception\ZipException;
/**
* Class ZipContainer.
*/
class ZipContainer extends ImmutableZipContainer
{
/**
* @var ImmutableZipContainer|null The source container contains zip entries from
* an open zip archive. The source container makes
* it possible to undo changes in the archive.
* When cloning, this container is not cloned.
*/
private $sourceContainer;
/**
* @var int|null Apk zipalign value
*
* @todo remove and use in ApkFileWriter
*/
private $zipAlign;
/**
* MutableZipContainer constructor.
*
* @param ImmutableZipContainer|null $sourceContainer
*/
public function __construct(ImmutableZipContainer $sourceContainer = null)
{
$entries = [];
$archiveComment = null;
if ($sourceContainer !== null) {
foreach ($sourceContainer->getEntries() as $entryName => $entry) {
$entries[$entryName] = clone $entry;
}
$archiveComment = $sourceContainer->getArchiveComment();
}
parent::__construct($entries, $archiveComment);
$this->sourceContainer = $sourceContainer;
}
/**
* @return ImmutableZipContainer|null
*/
public function getSourceContainer()
{
return $this->sourceContainer;
}
/**
* @param ZipEntry $entry
*/
public function addEntry(ZipEntry $entry)
{
$this->entries[$entry->getName()] = $entry;
}
/**
* @param string|ZipEntry $entry
*
* @return bool
*/
public function deleteEntry($entry)
{
$entry = $entry instanceof ZipEntry ? $entry->getName() : (string) $entry;
if (isset($this->entries[$entry])) {
unset($this->entries[$entry]);
return true;
}
return false;
}
/**
* @param string|ZipEntry $old
* @param string|ZipEntry $new
*
* @throws ZipException
*
* @return ZipEntry New zip entry
*/
public function renameEntry($old, $new)
{
$old = $old instanceof ZipEntry ? $old->getName() : (string) $old;
$new = $new instanceof ZipEntry ? $new->getName() : (string) $new;
if (isset($this->entries[$new])) {
throw new InvalidArgumentException('New entry name ' . $new . ' is exists.');
}
$entry = $this->getEntry($old);
$newEntry = $entry->rename($new);
$this->deleteEntry($entry);
$this->addEntry($newEntry);
return $newEntry;
}
/**
* @param string|ZipEntry $entryName
*
* @throws ZipEntryNotFoundException
*
* @return ZipEntry
*/
public function getEntry($entryName)
{
$entry = $this->getEntryOrNull($entryName);
if ($entry !== null) {
return $entry;
}
throw new ZipEntryNotFoundException($entryName);
}
/**
* @param string|ZipEntry $entryName
*
* @return ZipEntry|null
*/
public function getEntryOrNull($entryName)
{
$entryName = $entryName instanceof ZipEntry ? $entryName->getName() : (string) $entryName;
return isset($this->entries[$entryName]) ? $this->entries[$entryName] : null;
}
/**
* @param string|ZipEntry $entryName
*
* @return bool
*/
public function hasEntry($entryName)
{
$entryName = $entryName instanceof ZipEntry ? $entryName->getName() : (string) $entryName;
return isset($this->entries[$entryName]);
}
/**
* Delete all entries.
*/
public function deleteAll()
{
$this->entries = [];
}
/**
* Delete entries by regex pattern.
*
* @param string $regexPattern Regex pattern
*
* @return ZipEntry[] Deleted entries
*/
public function deleteByRegex($regexPattern)
{
if (empty($regexPattern)) {
throw new InvalidArgumentException('The regex pattern is not specified');
}
/** @var ZipEntry[] $found */
$found = [];
foreach ($this->entries as $entryName => $entry) {
if (preg_match($regexPattern, $entryName)) {
$found[] = $entry;
}
}
foreach ($found as $entry) {
$this->deleteEntry($entry);
}
return $found;
}
/**
* Undo all changes done in the archive.
*/
public function unchangeAll()
{
$this->entries = [];
if ($this->sourceContainer !== null) {
foreach ($this->sourceContainer->getEntries() as $entry) {
$this->entries[$entry->getName()] = clone $entry;
}
}
$this->unchangeArchiveComment();
}
/**
* Undo change archive comment.
*/
public function unchangeArchiveComment()
{
$this->archiveComment = null;
if ($this->sourceContainer !== null) {
$this->archiveComment = $this->sourceContainer->archiveComment;
}
}
/**
* Revert all changes done to an entry with the given name.
*
* @param string|ZipEntry $entry Entry name or ZipEntry
*
* @return bool
*/
public function unchangeEntry($entry)
{
$entry = $entry instanceof ZipEntry ? $entry->getName() : (string) $entry;
if (
$this->sourceContainer !== null &&
isset($this->entries[$entry], $this->sourceContainer->entries[$entry])
) {
$this->entries[$entry] = clone $this->sourceContainer->entries[$entry];
return true;
}
return false;
}
/**
* Entries sort by name.
*
* Example:
* ```php
* $zipContainer->sortByName(static function (string $nameA, string $nameB): int {
* return strcmp($nameA, $nameB);
* });
* ```
*
* @param callable $cmp
*/
public function sortByName(callable $cmp)
{
uksort($this->entries, $cmp);
}
/**
* Entries sort by entry.
*
* Example:
* ```php
* $zipContainer->sortByEntry(static function (ZipEntry $a, ZipEntry $b): int {
* return strcmp($a->getName(), $b->getName());
* });
* ```
*
* @param callable $cmp
*/
public function sortByEntry(callable $cmp)
{
uasort($this->entries, $cmp);
}
/**
* @param string|null $archiveComment
*/
public function setArchiveComment($archiveComment)
{
if ($archiveComment !== null && $archiveComment !== '') {
$archiveComment = (string) $archiveComment;
$length = \strlen($archiveComment);
if ($length > 0xffff) {
throw new InvalidArgumentException('Length comment out of range');
}
}
$this->archiveComment = $archiveComment;
}
/**
* @return ZipEntryMatcher
*/
public function matcher()
{
return new ZipEntryMatcher($this);
}
/**
* Specify a password for extracting files.
*
* @param string|null $password
*/
public function setReadPassword($password)
{
if ($this->sourceContainer !== null) {
foreach ($this->sourceContainer->entries as $entry) {
if ($entry->isEncrypted()) {
$entry->setPassword($password);
}
}
}
}
/**
* @param string $entryName
* @param string $password
*
* @throws ZipEntryNotFoundException
* @throws ZipException
*/
public function setReadPasswordEntry($entryName, $password)
{
if (!isset($this->sourceContainer->entries[$entryName])) {
throw new ZipEntryNotFoundException($entryName);
}
if ($this->sourceContainer->entries[$entryName]->isEncrypted()) {
$this->sourceContainer->entries[$entryName]->setPassword($password);
}
}
/**
* @return int|null
*/
public function getZipAlign()
{
return $this->zipAlign;
}
/**
* @param int|null $zipAlign
*/
public function setZipAlign($zipAlign)
{
$this->zipAlign = $zipAlign === null ? null : (int) $zipAlign;
}
/**
* @return bool
*/
public function isZipAlign()
{
return $this->zipAlign !== null;
}
/**
* @param string|null $writePassword
*/
public function setWritePassword($writePassword)
{
$this->matcher()->all()->setPassword($writePassword);
}
/**
* Remove password.
*/
public function removePassword()
{
$this->matcher()->all()->setPassword(null);
}
/**
* @param string|ZipEntry $entryName
*/
public function removePasswordEntry($entryName)
{
$this->matcher()->add($entryName)->setPassword(null);
}
/**
* @param int $encryptionMethod
*/
public function setEncryptionMethod($encryptionMethod = ZipEncryptionMethod::WINZIP_AES_256)
{
$this->matcher()->all()->setEncryptionMethod($encryptionMethod);
}
}