78 lines
2.5 KiB
Objective-C
78 lines
2.5 KiB
Objective-C
#import "LKGroupUtilities.h"
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#import <SessionProtocolKit/SessionProtocolKit.h>
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@implementation LKGroupUtilities
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#define ClosedGroupPrefix @"__textsecure_group__!" // a.k.a. private group chat
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#define MMSGroupPrefix @"__signal_mms_group__!"
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#define OpenGroupPrefix @"__loki_public_chat_group__!" // a.k.a. public group chat
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#define RSSFeedPrefix @"__loki_rss_feed_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 *)getEncodedRSSFeedID:(NSString *)groupID
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{
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return [RSSFeedPrefix stringByAppendingString:groupID];
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}
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+(NSData *)getEncodedRSSFeedIDAsData:(NSString *)groupID
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{
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return [[RSSFeedPrefix 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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OWSAssertDebug(groupID.length > 0);
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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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OWSAssertDebug(groupID.length > 0);
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NSString *encodedGroupID = [[NSString alloc]initWithData:groupID encoding:NSUTF8StringEncoding];
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NSString *decodedGroupID = [encodedGroupID componentsSeparatedByString:@"!"][0];
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if ([encodedGroupID componentsSeparatedByString:@"!"].count > 1) {
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decodedGroupID = [encodedGroupID componentsSeparatedByString:@"!"][1];
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}
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return [decodedGroupID dataUsingEncoding:NSUTF8StringEncoding];
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}
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@end
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