49 lines
1.5 KiB
Objective-C
49 lines
1.5 KiB
Objective-C
//
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// TokenGenerator.m
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// SellyCloudSDK_Example
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//
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// Created by Caleb on 20/11/25.
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// Copyright © 2025 Caleb. All rights reserved.
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//
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#import "TokenGenerator.h"
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#define KAppId @"demo-app"
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#define KSecret @"CHANGE_ME"
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@implementation TokenGenerator
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+ (NSString *)generateTokenWithUserId:(NSString *)userId
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callId:(NSString *)callId
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{
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// 当前时间戳（秒）
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long signTime = (long)[[NSDate date] timeIntervalSince1970];
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long exprTime = signTime + 600; // 10 分钟后过期
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// payload 拼接
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NSString *payload = [NSString stringWithFormat:@"%@%@%@%ld%ld",
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KAppId, userId, callId, signTime, exprTime];
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// HMAC-SHA256 计算
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const char *cKey = [KSecret cStringUsingEncoding:NSUTF8StringEncoding];
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const char *cData = [payload cStringUsingEncoding:NSUTF8StringEncoding];
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unsigned char cHMAC[CC_SHA256_DIGEST_LENGTH];
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CCHmac(kCCHmacAlgSHA256, cKey, strlen(cKey), cData, strlen(cData), cHMAC);
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// 转 hex 字符串
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NSMutableString *sign = [NSMutableString stringWithCapacity:CC_SHA256_DIGEST_LENGTH * 2];
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for (int i = 0; i < CC_SHA256_DIGEST_LENGTH; i++) {
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[sign appendFormat:@"%02x", cHMAC[i]];
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}
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// 拼接最终 Token
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NSString *token = [NSString stringWithFormat:
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@"appid=%@&userid=%@&callid=%@&signtime=%ld&exprtime=%ld&sign=%@",
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KAppId, userId, callId, signTime, exprTime, sign];
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return token;
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}
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@end
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