mirror of
https://github.com/samsonjs/arq_restore.git
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90 lines
3.7 KiB
Objective-C
90 lines
3.7 KiB
Objective-C
/*
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Copyright (c) 2009-2010, Stefan Reitshamer http://www.haystacksoftware.com
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the names of PhotoMinds LLC or Haystack Software, nor the names of
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their contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/time.h>
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#import "NSFileManager_extra.h"
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#import "SetNSError.h"
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#import "FileInputStream.h"
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#import "EncryptedInputStream.h"
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#import "Streams.h"
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@implementation NSFileManager (extra)
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- (BOOL)ensureParentPathExistsForPath:(NSString *)path error:(NSError **)error {
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NSFileManager *fm = [NSFileManager defaultManager];
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NSString *parentPath = [path stringByDeletingLastPathComponent];
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BOOL isDirectory = NO;
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if ([fm fileExistsAtPath:parentPath isDirectory:&isDirectory]) {
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if (!isDirectory) {
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SETNSERROR(@"FileErrorDomain", -1, @"parent path %@ exists and is not a directory", parentPath);
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return NO;
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}
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} else if (![fm createDirectoryAtPath:parentPath withIntermediateDirectories:YES attributes:nil error:error]) {
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return NO;
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}
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return YES;
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}
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- (BOOL)touchFileAtPath:(NSString *)path error:(NSError **)error {
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if ([[NSFileManager defaultManager] fileExistsAtPath:path]) {
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time_t theTime = time(NULL);
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struct timespec spec;
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spec.tv_sec = theTime;
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spec.tv_nsec = 0;
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struct timeval timevals[2];
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TIMESPEC_TO_TIMEVAL(&(timevals[0]), &spec);
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TIMESPEC_TO_TIMEVAL(&(timevals[1]), &spec);
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if (utimes([path fileSystemRepresentation], timevals) == -1) {
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SETNSERROR(@"UnixErrorDomain", errno, @"utimes(%@): %s", path, strerror(errno));
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return NO;
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}
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} else {
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int fd = open([path fileSystemRepresentation], O_CREAT, S_IRWXU | S_IRWXG | S_IRWXO);
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if (fd == -1) {
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SETNSERROR(@"UnixErrorDomain", errno, @"%s", strerror(errno));
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return NO;
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}
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close(fd);
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}
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return YES;
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}
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- (BOOL)createUniqueTempDirectoryWithTemplate:(NSString *)pathTemplate createdDirectory:(NSString **)createdPath error:(NSError **)error {
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*createdPath = nil;
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char *cTemplate = strdup([pathTemplate fileSystemRepresentation]);
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char *tempDir = mkdtemp(cTemplate);
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if (tempDir != NULL) {
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*createdPath = [NSString stringWithUTF8String:tempDir];
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} else {
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SETNSERROR(@"UnixErrorDomain", errno, @"mkdtemp(%@): %s", pathTemplate, strerror(errno));
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}
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free(cTemplate);
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return tempDir != NULL;
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}
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@end
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