sogo/SoObjects/SOGo/SOGoZipArchiver.m

121 lines
3.3 KiB
Objective-C

/* SOGoZipArchiver.m - this file is part of SOGo
*
* Copyright (C) 2020 Inverse inc.
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This file is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#import <Foundation/NSCharacterSet.h>
#import <Foundation/NSData.h>
#import "SOGoZipArchiver.h"
@implementation SOGoZipArchiver
+ (id)archiverAtPath:(NSString *)file
{
id newArchiver = [[self alloc] initFromFile: file];
[newArchiver autorelease];
return newArchiver;
}
- (id)init
{
if ((self = [super init])) {
z = NULL;
}
return self;
}
- (void)dealloc
{
[self close];
[super dealloc];
}
- (id)initFromFile:(NSString *)file
{
id ret;
ret = nil;
if (file) {
if ((self = [self init])) {
int errorp;
self->z = zip_open([file cString], ZIP_CREATE | ZIP_EXCL, &errorp);
if (self->z == NULL) {
#if defined(LIBZIP_VERSION_MAJOR) && LIBZIP_VERSION_MAJOR >= 1
zip_error_t ziperror;
zip_error_init_with_code(&ziperror, errorp);
NSLog(@"Failed to open zip output file %@: %@", file,
[NSString stringWithCString: zip_error_strerror(&ziperror)]);
#else
NSLog(@"Failed to open zip output file %@", file);
#endif
} else {
ret = self;
}
}
}
return ret;
}
- (BOOL)putFileWithName:(NSString *)filename andData:(NSData *)data
{
if (self->z == NULL) {
NSLog(@"Failed to add file, archive is not open");
return NO;
}
struct zip_source *source = zip_source_buffer(self->z, [data bytes], [data length], 0);
if (source == NULL) {
NSLog(@"Failed to create zip source from buffer: %@", [NSString stringWithCString: zip_strerror(self->z)]);
return NO;
}
#ifdef ZIP_FL_ENC_UTF_8
if (zip_file_add(self->z, [filename UTF8String], source, ZIP_FL_ENC_UTF_8) < 0) {
NSLog(@"Failed to add file %@: %@", filename, [NSString stringWithCString: zip_strerror(self->z)]);
zip_source_free(source);
}
#else
if (zip_add(self->z, [filename UTF8String], source) < 0) {
NSLog(@"Failed to add file %@: %@", filename, [NSString stringWithCString: zip_strerror(self->z)]);
zip_source_free(source);
}
#endif
return YES;
}
- (BOOL)close
{
BOOL success = YES;
if (self->z != NULL) {
if (zip_close(self->z) != 0) {
NSLog(@"Failed to close zip archive: %@", [NSString stringWithCString: zip_strerror(self->z)]);
#if defined(LIBZIP_VERSION_MAJOR) && (LIBZIP_VERSION_MAJOR >= 1 || LIBZIP_VERSION_MINOR >= 11)
zip_discard(self->z);
#endif
success = NO;
}
self->z = NULL;
}
return success;
}
@end