/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
* 2018
* Jonathan Schleifer <js@heap.zone>
*
* 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 <inttypes.h>
#include <errno.h>
#import "OFApplication.h"
#import "OFDate.h"
#import "OFFileManager.h"
#import "OFLocalization.h"
#import "OFNumber.h"
#import "OFSet.h"
#import "OFStdIOStream.h"
#import "ZIPArchive.h"
#import "OFZIP.h"
#import "OFInvalidFormatException.h"
#import "OFOpenItemFailedException.h"
#import "OFOutOfRangeException.h"
static OFZIP *app;
static void
setPermissions(OFString *path, OFZIPArchiveEntry *entry)
{
#ifdef OF_FILE_MANAGER_SUPPORTS_PERMISSIONS
if (([entry versionMadeBy] >> 8) ==
OF_ZIP_ARCHIVE_ENTRY_ATTR_COMPAT_UNIX) {
uint16_t mode = [entry versionSpecificAttributes] >> 16;
of_file_attribute_key_t key =
of_file_attribute_key_posix_permissions;
of_file_attributes_t attributes = [OFDictionary
dictionaryWithObject: [OFNumber numberWithUInt16: mode]
forKey: key];
[[OFFileManager defaultManager] setAttributes: attributes
ofItemAtPath: path];
}
#endif
}
@implementation ZIPArchive
+ (void)initialize
{
if (self == [ZIPArchive class])
app = (OFZIP *)[[OFApplication sharedApplication] delegate];
}
+ (instancetype)archiveWithStream: (OF_KINDOF(OFStream *))stream
mode: (OFString *)mode
{
return [[[self alloc] initWithStream: stream
mode: mode] autorelease];
}
- (instancetype)initWithStream: (OF_KINDOF(OFStream *))stream
mode: (OFString *)mode
{
self = [super init];
@try {
_archive = [[OFZIPArchive alloc] initWithStream: stream
mode: mode];
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
[_archive release];
[super dealloc];
}
- (void)listFiles
{
for (OFZIPArchiveEntry *entry in [_archive entries]) {
void *pool = objc_autoreleasePoolPush();
[of_stdout writeLine: [entry fileName]];
if (app->_outputLevel >= 1) {
OFString *compressedSize = [OFString
stringWithFormat: @"%" PRIu64,
[entry compressedSize]];
OFString *uncompressedSize = [OFString
stringWithFormat: @"%" PRIu64,
[entry uncompressedSize]];
OFString *CRC32 = [OFString
stringWithFormat: @"%08X", [entry CRC32]];
OFString *modificationDate = [[entry modificationDate]
localDateStringWithFormat: @"%Y-%m-%d %H:%M:%S"];
[of_stdout writeString: @"\t"];
[of_stdout writeLine: OF_LOCALIZED(
@"list_compressed_size",
@"Compressed: %[size] bytes",
@"size", compressedSize)];
[of_stdout writeString: @"\t"];
[of_stdout writeLine: OF_LOCALIZED(
@"list_uncompressed_size",
@"Uncompressed: %[size] bytes",
@"size", uncompressedSize)];
[of_stdout writeString: @"\t"];
[of_stdout writeLine: OF_LOCALIZED(@"list_crc32",
@"CRC32: %[crc32]",
@"crc32", CRC32)];
[of_stdout writeString: @"\t"];
[of_stdout writeLine: OF_LOCALIZED(
@"list_modification_date",
@"Modification date: %[date]",
@"date", modificationDate)];
if (app->_outputLevel >= 2) {
uint16_t versionMadeBy = [entry versionMadeBy];
[of_stdout writeString: @"\t"];
[of_stdout writeLine: OF_LOCALIZED(
@"list_version_made_by",
@"Version made by: %[version]",
@"version",
of_zip_archive_entry_version_to_string(
versionMadeBy))];
[of_stdout writeString: @"\t"];
[of_stdout writeLine: OF_LOCALIZED(
@"list_min_version_needed",
@"Minimum version needed: %[version]",
@"version",
of_zip_archive_entry_version_to_string(
[entry minVersionNeeded]))];
if ((versionMadeBy >> 8) ==
OF_ZIP_ARCHIVE_ENTRY_ATTR_COMPAT_UNIX) {
uint32_t mode = [entry
versionSpecificAttributes] >> 16;
OFString *modeString = [OFString
stringWithFormat: @"%06o", mode];
[of_stdout writeString: @"\t"];
[of_stdout writeLine: OF_LOCALIZED(
@"list_mode",
@"Mode: %[mode]",
@"mode", modeString)];
}
}
if (app->_outputLevel >= 3) {
OFString *GPBF = [OFString stringWithFormat:
@"%04" PRIx16,
[entry generalPurposeBitFlag]];
[of_stdout writeString: @"\t"];
[of_stdout writeLine: OF_LOCALIZED(
@"list_general_purpose_bit_flag",
@"General purpose bit flag: %[gpbf]",
@"gpbf", GPBF)];
if ([entry extraField] != nil) {
[of_stdout writeString: @"\t"];
[of_stdout writeLine: OF_LOCALIZED(
@"list_extra_field",
@"Extra field: %[extra]",
@"extra", [entry extraField])];
}
}
if ([[entry fileComment] length] > 0) {
[of_stdout writeString: @"\t"];
[of_stdout writeLine: OF_LOCALIZED(
@"list_comment",
@"Comment: %[comment]",
@"comment", [entry fileComment])];
}
}
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];
for (OFZIPArchiveEntry *entry in [_archive entries]) {
void *pool = objc_autoreleasePoolPush();
OFString *fileName = [entry fileName];
OFString *outFileName = [fileName stringByStandardizingPath];
OFArray OF_GENERIC(OFString *) *pathComponents;
OFString *directory;
OFStream *stream;
OFFile *output;
uint64_t written = 0, size = [entry uncompressedSize];
int8_t percent = -1, newPercent;
if (!all && ![files containsObject: fileName])
continue;
[missing removeObject: fileName];
#if !defined(OF_WINDOWS) && !defined(OF_MSDOS)
if ([outFileName hasPrefix: @"/"]) {
#else
if ([outFileName hasPrefix: @"/"] ||
[outFileName containsString: @":"]) {
#endif
[of_stderr writeLine: OF_LOCALIZED(
@"refusing_to_extract_file",
@"Refusing to extract %[file]!",
@"file", fileName)];
app->_exitStatus = 1;
goto outer_loop_end;
}
pathComponents = [outFileName pathComponents];
for (OFString *component in pathComponents) {
if ([component isEqual: OF_PATH_PARENT_DIRECTORY]) {
[of_stderr writeLine: OF_LOCALIZED(
@"refusing_to_extract_file",
@"Refusing to extract %[file]!",
@"file", fileName)];
app->_exitStatus = 1;
goto outer_loop_end;
}
}
outFileName = [OFString pathWithComponents: pathComponents];
if (app->_outputLevel >= 0)
[of_stdout writeString: OF_LOCALIZED(@"extracting_file",
@"Extracting %[file]...",
@"file", fileName)];
if ([fileName hasSuffix: @"/"]) {
[fileManager createDirectoryAtPath: outFileName
createParents: true];
setPermissions(outFileName, entry);
if (app->_outputLevel >= 0) {
[of_stdout writeString: @"\r"];
[of_stdout writeLine: OF_LOCALIZED(
@"extracting_file_done",
@"Extracting %[file]... done",
@"file", fileName)];
}
goto outer_loop_end;
}
directory = [outFileName stringByDeletingLastPathComponent];
if (![fileManager directoryExistsAtPath: directory])
[fileManager createDirectoryAtPath: directory
createParents: true];
if (![app shouldExtractFile: fileName
outFileName: outFileName])
goto outer_loop_end;
stream = [_archive streamForReadingFile: fileName];
output = [OFFile fileWithPath: outFileName
mode: @"w"];
setPermissions(outFileName, entry);
while (![stream isAtEndOfStream]) {
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];
[of_stdout writeString: @"\r"];
[of_stdout writeString: OF_LOCALIZED(
@"extracting_file_percent",
@"Extracting %[file]... %[percent]%",
@"file", fileName,
@"percent", percentString)];
}
}
if (app->_outputLevel >= 0) {
[of_stdout writeString: @"\r"];
[of_stdout writeLine: OF_LOCALIZED(
@"extracting_file_done",
@"Extracting %[file]... done\n",
@"file", fileName)];
}
outer_loop_end:
objc_autoreleasePoolPop(pool);
}
if ([missing count] > 0) {
for (OFString *file in missing)
[of_stderr 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
{
OFStream *stream;
if ([files count] < 1) {
[of_stderr writeLine: OF_LOCALIZED(@"print_no_file_specified",
@"Need one or more files to print!")];
app->_exitStatus = 1;
return;
}
for (OFString *path in files) {
@try {
stream = [_archive streamForReadingFile: path];
} @catch (OFOpenItemFailedException *e) {
if ([e errNo] == ENOENT) {
[of_stderr writeLine: OF_LOCALIZED(
@"file_not_in_archive",
@"File %[file] is not in the archive!",
@"file", [e path])];
app->_exitStatus = 1;
continue;
}
@throw e;
}
while (![stream isAtEndOfStream]) {
ssize_t length = [app copyBlockFromStream: stream
toStream: of_stdout
fileName: path];
if (length < 0) {
app->_exitStatus = 1;
return;
}
}
[stream close];
}
}
- (void)addFiles: (OFArray OF_GENERIC(OFString *) *)files
{
OFFileManager *fileManager = [OFFileManager defaultManager];
if ([files count] < 1) {
[of_stderr writeLine: OF_LOCALIZED(@"add_no_file_specified",
@"Need one or more files to add!")];
app->_exitStatus = 1;
return;
}
for (OFString *localFileName in files) {
void *pool = objc_autoreleasePoolPush();
OFArray OF_GENERIC (OFString *) *components;
OFString *fileName;
of_file_attributes_t attributes;
bool isDirectory = false;
OFMutableZIPArchiveEntry *entry;
uintmax_t size;
OFStream *output;
components = [localFileName pathComponents];
fileName = [components componentsJoinedByString: @"/"];
attributes = [fileManager
attributesOfItemAtPath: localFileName];
if ([[attributes fileType] isEqual: of_file_type_directory]) {
isDirectory = true;
fileName = [fileName stringByAppendingString: @"/"];
}
if (app->_outputLevel >= 0)
[of_stdout writeString: OF_LOCALIZED(@"adding_file",
@"Adding %[file]...",
@"file", fileName)];
entry = [OFMutableZIPArchiveEntry entryWithFileName: fileName];
if (isDirectory)
size = 0;
else
size = [attributes fileSize];
if (size > INT64_MAX)
@throw [OFOutOfRangeException exception];
[entry setCompressedSize: (int64_t)size];
[entry setUncompressedSize: (int64_t)size];
[entry setCompressionMethod:
OF_ZIP_ARCHIVE_ENTRY_COMPRESSION_METHOD_NONE];
[entry setModificationDate: [attributes fileModificationDate]];
[entry makeImmutable];
output = [_archive streamForWritingEntry: entry];
if (!isDirectory) {
uintmax_t written = 0;
int8_t percent = -1, newPercent;
OFFile *input = [OFFile fileWithPath: fileName
mode: @"r"];
while (![input isAtEndOfStream]) {
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];
[of_stdout writeString: @"\r"];
[of_stdout writeString: OF_LOCALIZED(
@"adding_file_percent",
@"Adding %[file]... %[percent]%",
@"file", fileName,
@"percent", percentString)];
}
}
}
if (app->_outputLevel >= 0) {
[of_stdout writeString: @"\r"];
[of_stdout writeLine: OF_LOCALIZED(
@"adding_file_done",
@"Adding %[file]... done",
@"file", fileName)];
}
[output close];
outer_loop_end:
objc_autoreleasePoolPop(pool);
}
[_archive close];
}
@end