/*
* Copyright (c) 2008-2024 Jonathan Schleifer <js@nil.im>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#include <errno.h>
#import "OFApplication.h"
#import "OFDate.h"
#import "OFFileManager.h"
#import "OFLocale.h"
#import "OFNumber.h"
#import "OFSet.h"
#import "OFStdIOStream.h"
#import "OFString.h"
#import "ZooArchive.h"
#import "OFArc.h"
#import "OFSetItemAttributesFailedException.h"
static OFArc *app;
static void
setPermissions(OFString *path, OFZooArchiveEntry *entry)
{
#ifdef OF_FILE_MANAGER_SUPPORTS_PERMISSIONS
OFNumber *POSIXPermissions = entry.POSIXPermissions;
if (POSIXPermissions == nil)
return;
POSIXPermissions = [OFNumber numberWithUnsignedShort:
POSIXPermissions.unsignedShortValue & 0777];
OFFileAttributes attributes = [OFDictionary
dictionaryWithObject: POSIXPermissions
forKey: OFFilePOSIXPermissions];
[[OFFileManager defaultManager] setAttributes: attributes
ofItemAtPath: path];
#endif
}
static void
setModificationDate(OFString *path, OFZooArchiveEntry *entry)
{
OFFileAttributes attributes = [OFDictionary
dictionaryWithObject: entry.modificationDate
forKey: OFFileModificationDate];
@try {
[[OFFileManager defaultManager] setAttributes: attributes
ofItemAtPath: path];
} @catch (OFSetItemAttributesFailedException *e) {
if (e.errNo != EISDIR)
@throw e;
}
}
@implementation ZooArchive
+ (void)initialize
{
if (self == [ZooArchive class])
app = (OFArc *)[OFApplication sharedApplication].delegate;
}
+ (instancetype)archiveWithPath: (OFString *)path
stream: (OF_KINDOF(OFStream *))stream
mode: (OFString *)mode
encoding: (OFStringEncoding)encoding
{
return [[[self alloc] initWithPath: path
stream: stream
mode: mode
encoding: encoding] autorelease];
}
- (instancetype)initWithPath: (OFString *)path
stream: (OF_KINDOF(OFStream *))stream
mode: (OFString *)mode
encoding: (OFStringEncoding)encoding
{
self = [super init];
@try {
_archive = [[OFZooArchive alloc] initWithStream: stream
mode: mode];
if (encoding != OFStringEncodingAutodetect)
_archive.encoding = encoding;
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
[_archive release];
[super dealloc];
}
- (void)listFiles
{
OFZooArchiveEntry *entry;
while ((entry = [_archive nextEntry]) != nil) {
void *pool = objc_autoreleasePoolPush();
if (app->_outputLevel < 1 && entry.deleted) {
objc_autoreleasePoolPop(pool);
continue;
}
[OFStdOut writeLine: entry.fileName];
if (app->_outputLevel >= 1) {
OFString *modificationDate = [entry.modificationDate
localDateStringWithFormat: @"%Y-%m-%d %H:%M:%S"];
OFString *compressedSize = [OFString stringWithFormat:
@"%llu", entry.compressedSize];
OFString *uncompressedSize = [OFString stringWithFormat:
@"%llu", entry.uncompressedSize];
OFString *compressionMethod = [OFString
stringWithFormat: @"%" PRIu8,
entry.compressionMethod];
OFString *CRC16 = [OFString stringWithFormat:
@"%04" PRIX16, entry.CRC16];
OFString *deleted = [OFString stringWithFormat:
@"%" PRIu8, entry.deleted];
[OFStdOut writeString: @"\t"];
[OFStdOut writeLine: OF_LOCALIZED(
@"list_compressed_size",
@"["
@" 'Compressed: ',"
@" ["
@" {'size == 1': '1 byte'},"
@" {'': '%[size] bytes'}"
@" ]"
@"]".objectByParsingJSON,
@"size", compressedSize)];
[OFStdOut writeString: @"\t"];
[OFStdOut writeLine: OF_LOCALIZED(
@"list_uncompressed_size",
@"["
@" 'Uncompressed: ',"
@" ["
@" {'size == 1': '1 byte'},"
@" {'': '%[size] bytes'}"
@" ]"
@"]".objectByParsingJSON,
@"size", uncompressedSize)];
[OFStdOut writeString: @"\t"];
[OFStdOut writeLine: OF_LOCALIZED(
@"list_compression_method",
@"Compression method: %[method]",
@"method", compressionMethod)];
[OFStdOut writeString: @"\t"];
[OFStdOut writeLine: OF_LOCALIZED(@"list_crc16",
@"CRC16: %[crc16]",
@"crc16", CRC16)];
[OFStdOut writeString: @"\t"];
[OFStdOut writeLine: OF_LOCALIZED(
@"list_modification_date",
@"Modification date: %[date]",
@"date", modificationDate)];
if (entry.timeZone != nil) {
float timeZone = entry.timeZone.floatValue;
int hours = (int)timeZone;
unsigned char minutes = (timeZone - hours) * 60;
OFString *timeZoneString;
if (hours > 0)
timeZoneString = [OFString
stringWithFormat: @"UTC+%02d:%02u",
hours, minutes];
else
timeZoneString = [OFString
stringWithFormat: @"UTC-%02d:%02u",
-hours, minutes];
[OFStdOut writeString: @"\t"];
[OFStdOut writeLine: OF_LOCALIZED(
@"list_timezone",
@"Time zone: %[timezone]",
@"timezone", timeZoneString)];
}
[OFStdOut writeString: @"\t"];
[OFStdOut writeLine: OF_LOCALIZED(
@"list_deleted",
@"["
@" 'Deleted: ',"
@" ["
@" {'deleted == 0': 'No'},"
@" {'': 'Yes'}"
@" ]"
@"]".objectByParsingJSON,
@"deleted", deleted)];
if (entry.fileComment.length > 0) {
[OFStdOut writeString: @"\t"];
[OFStdOut writeLine: OF_LOCALIZED(
@"list_comment",
@"Comment: %[comment]",
@"comment", entry.fileComment)];
}
}
if (app->_outputLevel >= 2) {
uint16_t minVersionNeeded = entry.minVersionNeeded;
OFString *minVersionNeededString = [OFString
stringWithFormat: @"%" PRIu8 @".%" PRIu8,
minVersionNeeded >> 8,
minVersionNeeded & 0xFF];
OFString *headerType = [OFString
stringWithFormat: @"%" PRIu8,
entry.headerType];
[OFStdOut writeString: @"\t"];
[OFStdOut writeLine: OF_LOCALIZED(
@"list_min_version_needed",
@"Minimum version needed: %[version]",
@"version", minVersionNeededString)];
[OFStdOut writeString: @"\t"];
[OFStdOut writeLine: OF_LOCALIZED(
@"list_header_type",
@"Header type: %[type]",
@"type", headerType)];
if (entry.headerType >= 2) {
OFString *OSID =
[OFString stringWithFormat: @"%u",
entry.operatingSystemIdentifier];
[OFStdOut writeString: @"\t"];
[OFStdOut writeLine: OF_LOCALIZED(
@"list_osid",
@"Operating system identifier: "
@"%[osid]",
@"osid", OSID)];
}
if (entry.POSIXPermissions != nil) {
OFString *permissionsString = [OFString
stringWithFormat: @"%llo",
entry.POSIXPermissions
.unsignedLongLongValue];
[OFStdOut writeString: @"\t"];
[OFStdOut writeLine: OF_LOCALIZED(
@"list_posix_permissions",
@"POSIX permissions: %[perm]",
@"perm", permissionsString)];
}
}
objc_autoreleasePoolPop(pool);
}
}
- (void)extractFiles: (OFArray OF_GENERIC(OFString *) *)files
{
OFFileManager *fileManager = [OFFileManager defaultManager];
bool all = (files.count == 0);
OFMutableSet OF_GENERIC(OFString *) *missing =
[OFMutableSet setWithArray: files];
OFZooArchiveEntry *entry;
while ((entry = [_archive nextEntry]) != nil) {
void *pool = objc_autoreleasePoolPush();
OFString *fileName = entry.fileName;
OFString *outFileName, *directory;
OFFile *output;
OFStream *stream;
unsigned long long written = 0, size = entry.uncompressedSize;
int8_t percent = -1, newPercent;
if (!all && ![files containsObject: fileName])
continue;
if (all && entry.deleted)
continue;
[missing removeObject: fileName];
outFileName = [app safeLocalPathForPath: fileName];
if (outFileName == nil) {
[OFStdErr writeLine: OF_LOCALIZED(
@"refusing_to_extract_file",
@"Refusing to extract %[file]!",
@"file", fileName)];
app->_exitStatus = 1;
goto outer_loop_end;
}
if (app->_outputLevel >= 0)
[OFStdOut writeString: OF_LOCALIZED(@"extracting_file",
@"Extracting %[file]...",
@"file", fileName)];
directory = outFileName.stringByDeletingLastPathComponent;
if (![fileManager directoryExistsAtPath: directory])
[fileManager createDirectoryAtPath: directory
createParents: true];
if (![app shouldExtractFile: fileName outFileName: outFileName])
goto outer_loop_end;
stream = [_archive streamForReadingCurrentEntry];
output = [OFFile fileWithPath: outFileName mode: @"w"];
setPermissions(outFileName, entry);
while (!stream.atEndOfStream) {
ssize_t length = [app copyBlockFromStream: stream
toStream: output
fileName: fileName];
if (length < 0) {
app->_exitStatus = 1;
goto outer_loop_end;
}
written += length;
newPercent = (written == size
? 100 : (int8_t)(written * 100 / size));
if (app->_outputLevel >= 0 && percent != newPercent) {
OFString *percentString;
percent = newPercent;
percentString = [OFString stringWithFormat:
@"%3u", percent];
[OFStdOut writeString: @"\r"];
[OFStdOut writeString: OF_LOCALIZED(
@"extracting_file_percent",
@"Extracting %[file]... %[percent]%",
@"file", fileName,
@"percent", percentString)];
}
}
[output close];
setModificationDate(outFileName, entry);
if (app->_outputLevel >= 0) {
[OFStdOut writeString: @"\r"];
[OFStdOut writeLine: OF_LOCALIZED(
@"extracting_file_done",
@"Extracting %[file]... done",
@"file", fileName)];
}
outer_loop_end:
objc_autoreleasePoolPop(pool);
}
if (missing.count > 0) {
for (OFString *file in missing)
[OFStdErr writeLine: OF_LOCALIZED(
@"file_not_in_archive",
@"File %[file] is not in the archive!",
@"file", file)];
app->_exitStatus = 1;
}
}
- (void)printFiles: (OFArray OF_GENERIC(OFString *) *)files_
{
OFMutableSet *files;
OFZooArchiveEntry *entry;
if (files_.count < 1) {
[OFStdErr writeLine: OF_LOCALIZED(@"print_no_file_specified",
@"Need one or more files to print!")];
app->_exitStatus = 1;
return;
}
files = [OFMutableSet setWithArray: files_];
while ((entry = [_archive nextEntry]) != nil) {
OFString *fileName = entry.fileName;
OFStream *stream;
if (![files containsObject: fileName])
continue;
stream = [_archive streamForReadingCurrentEntry];
while (!stream.atEndOfStream) {
ssize_t length = [app copyBlockFromStream: stream
toStream: OFStdOut
fileName: fileName];
if (length < 0) {
app->_exitStatus = 1;
return;
}
}
[files removeObject: fileName];
[stream close];
if (files.count == 0)
break;
}
for (OFString *file in files) {
[OFStdErr writeLine: OF_LOCALIZED(@"file_not_in_archive",
@"File %[file] is not in the archive!",
@"file", file)];
app->_exitStatus = 1;
}
}
- (void)addFiles: (OFArray OF_GENERIC(OFString *) *)files
{
OFFileManager *fileManager = [OFFileManager defaultManager];
if (files.count < 1) {
[OFStdErr writeLine: OF_LOCALIZED(@"add_no_file_specified",
@"Need one or more files to add!")];
app->_exitStatus = 1;
return;
}
for (OFString *fileName in files) {
void *pool = objc_autoreleasePoolPush();
OFFileAttributes attributes;
OFFileAttributeType type;
OFMutableZooArchiveEntry *entry;
OFStream *output;
if (app->_outputLevel >= 0)
[OFStdOut writeString: OF_LOCALIZED(@"adding_file",
@"Adding %[file]...",
@"file", fileName)];
attributes = [fileManager attributesOfItemAtPath: fileName];
type = attributes.fileType;
if ([type isEqual: OFFileTypeDirectory]) {
if (app->_outputLevel >= 0) {
[OFStdOut writeString: @"\r"];
[OFStdOut writeLine: OF_LOCALIZED(
@"adding_file_skipped",
@"Adding %[file]... skipped",
@"file", fileName)];
}
continue;
}
entry = [OFMutableZooArchiveEntry entryWithFileName: fileName];
entry.timeZone = [OFNumber numberWithFloat: 0];
entry.modificationDate = attributes.fileModificationDate;
#ifdef OF_FILE_MANAGER_SUPPORTS_PERMISSIONS
entry.POSIXPermissions =
[attributes objectForKey: OFFilePOSIXPermissions];
#endif
output = [_archive streamForWritingEntry: entry];
if ([type isEqual: OFFileTypeRegular]) {
unsigned long long written = 0;
unsigned long long size = attributes.fileSize;
int8_t percent = -1, newPercent;
OFFile *input = [OFFile fileWithPath: fileName
mode: @"r"];
while (!input.atEndOfStream) {
ssize_t length = [app
copyBlockFromStream: input
toStream: output
fileName: fileName];
if (length < 0) {
app->_exitStatus = 1;
goto outer_loop_end;
}
written += length;
newPercent = (written == size
? 100 : (int8_t)(written * 100 / size));
if (app->_outputLevel >= 0 &&
percent != newPercent) {
OFString *percentString;
percent = newPercent;
percentString = [OFString
stringWithFormat: @"%3u", percent];
[OFStdOut writeString: @"\r"];
[OFStdOut writeString: OF_LOCALIZED(
@"adding_file_percent",
@"Adding %[file]... %[percent]%",
@"file", fileName,
@"percent", percentString)];
}
}
}
if (app->_outputLevel >= 0) {
[OFStdOut writeString: @"\r"];
[OFStdOut writeLine: OF_LOCALIZED(
@"adding_file_done",
@"Adding %[file]... done",
@"file", fileName)];
}
[output close];
outer_loop_end:
objc_autoreleasePoolPop(pool);
}
[_archive close];
}
@end