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28 lines
958 B
Objective-C
28 lines
958 B
Objective-C
#import "TGFileUtils.h"
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#import <MobileCoreServices/MobileCoreServices.h>
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NSString *TGMimeTypeForFileExtension(NSString *fileExtension)
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{
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return TGMimeTypeForFileUTI((__bridge_transfer NSString *)UTTypeCreatePreferredIdentifierForTag(kUTTagClassFilenameExtension, (__bridge CFStringRef)fileExtension, NULL));
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}
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NSString *TGMimeTypeForFileUTI(NSString *fileUTI)
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{
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NSString *mimeType = (__bridge_transfer NSString *)UTTypeCopyPreferredTagWithClass((__bridge CFStringRef)fileUTI, kUTTagClassMIMEType);
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if (mimeType == nil)
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mimeType = @"application/octet-stream";
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return mimeType;
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}
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NSString *TGTemporaryFileName(NSString *fileExtension)
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{
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if (fileExtension == nil)
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fileExtension = @"bin";
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int64_t randomId = 0;
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arc4random_buf(&randomId, sizeof(randomId));
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return [NSTemporaryDirectory() stringByAppendingPathComponent:[[NSString alloc] initWithFormat:@"%" PRIx64 ".%@", randomId, fileExtension]];
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}
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