59 lines
1.7 KiB
Objective-C
59 lines
1.7 KiB
Objective-C
#import "LKGroupUtilities.h"
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@implementation LKGroupUtilities
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#define ClosedGroupPrefix @"__textsecure_group__!"
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#define MMSGroupPrefix @"__signal_mms_group__!"
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#define OpenGroupPrefix @"__loki_public_chat_group__!"
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+(NSString *)getEncodedOpenGroupID:(NSString *)groupID
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{
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return [OpenGroupPrefix stringByAppendingString:groupID];
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}
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+(NSData *)getEncodedOpenGroupIDAsData:(NSString *)groupID
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{
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return [[OpenGroupPrefix stringByAppendingString:groupID] dataUsingEncoding:NSUTF8StringEncoding];
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}
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+(NSString *)getEncodedClosedGroupID:(NSString *)groupID
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{
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return [ClosedGroupPrefix stringByAppendingString:groupID];
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}
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+(NSData *)getEncodedClosedGroupIDAsData:(NSString *)groupID
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{
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return [[ClosedGroupPrefix stringByAppendingString:groupID] dataUsingEncoding:NSUTF8StringEncoding];
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}
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+(NSString *)getEncodedMMSGroupID:(NSString *)groupID
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{
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return [MMSGroupPrefix stringByAppendingString:groupID];
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}
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+(NSData *)getEncodedMMSGroupIDAsData:(NSString *)groupID
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{
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return [[MMSGroupPrefix stringByAppendingString:groupID] dataUsingEncoding:NSUTF8StringEncoding];
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}
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+(NSString *)getEncodedGroupID:(NSData *)groupID
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{
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return [[NSString alloc] initWithData:groupID encoding:NSUTF8StringEncoding];
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}
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+(NSString *)getDecodedGroupID:(NSData *)groupID
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{
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NSString *encodedGroupID = [[NSString alloc] initWithData:groupID encoding:NSUTF8StringEncoding];
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if ([encodedGroupID componentsSeparatedByString:@"!"].count > 1) {
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return [encodedGroupID componentsSeparatedByString:@"!"][1];
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}
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return [encodedGroupID componentsSeparatedByString:@"!"][0];
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}
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+(NSData *)getDecodedGroupIDAsData:(NSData *)groupID
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{
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return [[LKGroupUtilities getDecodedGroupID:groupID] dataUsingEncoding:NSUTF8StringEncoding];
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}
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@end
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