fineuploader块签名v4
在尝试在签名v4中上传大文件（块上载）时，我从AWS获得以下错误：SignatureDoesNotMatch我们计算的请求签名与您提供的签名不匹配。 检查你的密钥和签名方法。
FineUploader标题： {“headers”：“AWS4-HMAC-SHA256 n20180214T003940Z n20180214 / eu-west-3 / s3 / aws4_request nPOST n / foldername / oovoosdk-android-2.3.0.113-1.zip nuploads = n主机：HTTPS：//test.s3.amazonaws.com NX-AMZ-ACL：私人 NX-AMZ-内容SHA256：e3b0c44298fc1c149c897ydu27sas88e56e4649b934ca495991b7852b855 NX-AMZ-日期：20180214T003940Z NX-AMZ-元文件名：oovoosdk- android-2.3.0.113-1.zip NX-AMZ-元qqfilename：oovoosdk-android-2.3.0.113-1.zip n n主机; X-AMZ-ACL; X-AMZ-内容-SHA256; X- AMZ-日期; X-AMZ-元文件名X-AMZ-元qqfilename ne3b0c44298fc1c149afbf4c8b92427ae41e464hd783a3dc752b855" }
CanonicalRequest
POST /foldername/oovoosdk-android-2.3.0.113-1.zip uploads = host：test.s3.amazonaws.com x-amz-acl：private x-amz-content-sha256：e3b0c44298fc1c149c897ydu27sas88e56e4649b934ca495991b7852b855 x-amz-date：20180214T010103Z x -amz-meta-filename：oovoosdk-android-2.3.0.113-1.zip x-amz-meta-qqfilename：oovoosdk-android-2.3.0.113-1.zip
host; x-amz-acl; x-amz-content-sha256; x-amz-date; x-amz-meta-filename; x-amz-meta -qqfilename e3b0c44298fc1c149afbf4c8b92427ae41e464hd783a3dc752b855
非签名上传在签名v4中正常工作。
v4签名生成代码
StringtoSign - >来自罚款上传者的头文件
public static String getSignature(AWS_Key_Set__c awsKeySet,String StringtoSign)
{ String HASH_ALGORITHM = 'SHA-256';
String MAC_ALGORITHM = 'HmacSHA256';
String SIGNATURE_VERSION = 'AWS4';
String SIGNATURE_ALGORITHM = 'AWS4-HMAC-SHA256';
String serviceName='s3';
Datetime dt = Datetime.now();
String region='eu-west-3';
String todayDate = dt.formatGmt('yyyyMMdd');
String now = todayDate + 'T' + dt.formatGmt('HHmmss') + 'Z';
Blob keyDate = Crypto.generateMac(MAC_ALGORITHM, Blob.valueOf(todayDate), Blob.valueof(SIGNATURE_VERSION + awsKeySet.AWS_Secret_Key__c));
Blob keyRegion = Crypto.generateMac(MAC_ALGORITHM, Blob.valueOf(region), keyDate);
Blob keyService = Crypto.generateMac(MAC_ALGORITHM, Blob.valueOf(serviceName.toLowerCase()), keyRegion); Blob keyCredentials = Crypto.generateMac(MAC_ALGORITHM, Blob.valueOf('aws4_request'), keyService);
return EncodingUtil.convertToHex(Crypto.generateMac(MAC_ALGORITHM, Blob.valueOf(StringtoSign), keyCredentials));
}
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