Question

我上传了一个受密码保护的zip文件作为备份到iCloud，它上传然后我下载，解压缩并使用相同的文件，只有当我们从同一设备上做所有这些很酷的东西时，它才能正常工作。

考虑这种情况， 1.压缩并从一台设备上传文件。 2.从其他设备下载并解压缩（无法解压缩，因为它无法识别该文件是zip格式）

注意：我已经通过启用我的iTunes文件共享来验证该文件是否已成功下载到其他设备中。

但是我无法解压缩文件。

Answer 1

我发现自己的解决方案希望这可以节省别人的时间，将受密码保护的zip文件转换为数据并上传，下载，解压缩

任何文件都可以上传到任何大小的iCloud容器（是的，你应该在iCloud中拥有那么大的空间）让我们举个例子SampleData.zip

// 1 This method will upload or sync SampleData.zip file in iCloud container, iCloud actually checks the metadata of your file before it uploads it into your iCloud container (so for first time it will upload the file and from next time it will only upload the changes)

-(void) iCloudSyncing:(id)sender
{
    //Doc dir
    NSString *documentsDirectory = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];
    NSString *filePath = [documentsDirectory stringByAppendingPathComponent:@"SampleData.zip"];
    NSURL *u = [[NSURL alloc] initFileURLWithPath:filePath];
    NSData *data = [[NSData alloc] initWithContentsOfURL:u];

    //Get iCloud container URL
    NSURL *ubiq = [[NSFileManager defaultManager]URLForUbiquityContainerIdentifier:nil];// in place of nil you can add your container name
    //Create Document dir in iCloud container and upload/sync SampleData.zip
    NSURL *ubiquitousPackage = [[ubiq URLByAppendingPathComponent:@"Documents"]URLByAppendingPathComponent:@"SampleData.zip"];
    Mydoc = [[MyDocument alloc] initWithFileURL:ubiquitousPackage];
    Mydoc.zipDataContent = data;

    [Mydoc saveToURL:[Mydoc fileURL] forSaveOperation:UIDocumentSaveForCreating completionHandler:^(BOOL success)
     {
         if (success)
         {
             NSLog(@"SampleData.zip: Synced with icloud");
         }
         else
             NSLog(@"SampleData.zip: Syncing FAILED with icloud");

     }];
}



  // 2 Download data from the iCloud Container

- (IBAction)GetData:(id)sender {

    //--------------------------Get data back from iCloud -----------------------------//
    id token = [[NSFileManager defaultManager] ubiquityIdentityToken];
    if (token == nil)
    {
        NSLog(@"ICloud Is not LogIn");
    }
    else
    {
        NSLog(@"ICloud Is LogIn");

        NSError *error = nil;
        NSURL *ubiq = [[NSFileManager defaultManager]URLForUbiquityContainerIdentifier:nil];// in place of nil you can add your container name
        NSURL *ubiquitousPackage = [[ubiq URLByAppendingPathComponent:@"Documents"]URLByAppendingPathComponent:@"SampleData.zip"];
        BOOL isFileDounloaded = [[NSFileManager defaultManager]startDownloadingUbiquitousItemAtURL:ubiquitousPackage error:&error];
        if (isFileDounloaded) {
            NSLog(@"%d",isFileDounloaded);
            NSString *documentsDirectory = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];
            //changing the file name as SampleData.zip is already present in doc directory which we have used for upload
            NSString* fileName = [NSString stringWithFormat:@"RecSampleData.zip"];
            NSString* fileAtPath = [documentsDirectory stringByAppendingPathComponent:fileName];
            NSData *dataFile = [NSData dataWithContentsOfURL:ubiquitousPackage];
            BOOL fileStatus = [dataFile writeToFile:fileAtPath atomically:NO];
            if (fileStatus) {
                NSLog(@"success");
            }
        }
        else{
            NSLog(@"%d",isFileDounloaded);
        }
    }
}

//3 voila its done :)

STRANGE：来自iCloud的受密码保护的zip文件在备份后更改了它的格式，无法解压缩它们

1 个答案: