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fix(upload): 修复POST Object签名错误，StringToSign应对原始policy做SHA1而非Base64编码后的

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zpc 2026-02-20 23:43:04 +08:00
parent 608fbe714f
commit 66df292628
1 changed files with 2 additions and 2 deletions
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server/MiAssessment/src/MiAssessment.Core/Services/UploadConfigService.cs
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@ -73,9 +73,9 @@ public class UploadConfigService : IUploadConfigService
var policy = GeneratePostPolicy(objectKey, setting.AccessKeyId!, keyTime);
var policyBase64 = Convert.ToBase64String(Encoding.UTF8.GetBytes(policy));
// 生成签名: SignKey -> StringToSign -> Signature
// 生成签名: SignKey -> StringToSign(SHA1 of raw policy) -> Signature
var signKey = HmacSha1(setting.AccessKeySecret!, keyTime);
var stringToSign = Sha1Hash(policyBase64);
var stringToSign = Sha1Hash(policy);
var signature = HmacSha1(signKey, stringToSign);
_logger.LogInformation("生成POST Object签名成功: {ObjectKey}", objectKey);