[英]AmazonS3Exception: Access Denied
我試圖連接到s3存儲桶以上傳/下載圖像。
我創建s3客戶端的代碼如下:
AmazonS3 s3 = AmazonS3ClientBuilder
.standard()
.withRegion("EU-WEST-2")
.build();
我得到如下異常:
com.amazonaws.services.s3.model.AmazonS3Exception: Access Denied (Service: Amazon S3; Status Code: 403; Error Code: AccessDenied; Request ID: 8574612863BD8DC2; S3 Extended Request ID: ueyZy/RLMerNtHeYaOTlRVAqD7w1CksWrjfNLuMgxPWXQbNGDF1Y04RUs4Gh9HeHMwLXxjBc+5o=), S3 Extended Request ID: ueyZy/RLMerNtHeYaOTlRVAqD7w1CksWrjfNLuMgxPWXQbNGDF1Y04RUs4Gh9HeHMwLXxjBc+5o=
at com.amazonaws.http.AmazonHttpClient$RequestExecutor.handleErrorResponse(AmazonHttpClient.java:1630)
at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeOneRequest(AmazonHttpClient.java:1302)
at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeHelper(AmazonHttpClient.java:1056)
at com.amazonaws.http.AmazonHttpClient$RequestExecutor.doExecute(AmazonHttpClient.java:743)
at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeWithTimer(AmazonHttpClient.java:717)
at com.amazonaws.http.AmazonHttpClient$RequestExecutor.execute(AmazonHttpClient.java:699)
at com.amazonaws.http.AmazonHttpClient$RequestExecutor.access$500(AmazonHttpClient.java:667)
at com.amazonaws.http.AmazonHttpClient$RequestExecutionBuilderImpl.execute(AmazonHttpClient.java:649)
at com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:513)
at com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:4330)
at com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:4277)
at com.amazonaws.services.s3.AmazonS3Client.getObject(AmazonS3Client.java:1410)
at uk.nhs.digital.cid.pyi.services.paycasso.PaycassoService.registerDocument(PaycassoService.java:80)
at uk.nhs.digital.cid.pyi.harness.PaycassoClientTestHarness.testVeriSure(PaycassoClientTestHarness.java:61)
at uk.nhs.digital.cid.pyi.harness.PaycassoClientTestHarness.main(PaycassoClientTestHarness.java:36)
嘗試此操作,您需要根據訪問密鑰和機密更改env.getProperty(“ amazon.accessKey”)。
public AmazonS3 getAmazonS3Client() {
ClientConfiguration clientConfig = new ClientConfiguration();
clientConfig.setProtocol(Protocol.HTTP);
AmazonS3 s3client = new AmazonS3Client(getAmazonCredentials(), clientConfig);
s3client.setS3ClientOptions(S3ClientOptions
.builder()
.setPathStyleAccess(true)
.disableChunkedEncoding().build());
return s3client;
}
public AWSCredentials getAmazonCredentials() {
AWSCredentials credentials = new BasicAWSCredentials(
env.getProperty("amazon.accessKey"),
env.getProperty("amazon.secretKey")
);
return credentials;
}
要檢查存儲桶是否存在並上傳文件,請選中此選項。
AmazonS3 s3client = amazonS3ClientService.getAmazonS3Client();
if (!s3client.doesBucketExistV2(env.getProperty("amazon.bucket"))) {
System.out.println("Bucket is not Exist.");
return RepeatStatus.FINISHED;
}
// Upload Dir
TransferManager transferManager = new TransferManager(amazonS3ClientService.getAmazonCredentials());
MultipleFileUpload upload =
transferManager.uploadDirectory(env.getProperty("amazon.bucket"), file.getName(), file,true);
如果您要上傳單個文件,請嘗試此操作,
s3client .putObject(bucket_name, key_name, new File(file_path));
你有兩個問題。
.withRegion(Regions.EU_WEST_2)
。 如果要使用匿名憑據(這意味着沒有憑據),請使用普通的HTTP URL: https://s3.amazonaws.com/bucket/object
: HttpUrlConnection
以及HttpUrlConnection
的庫。
在某些情況下,僅當區域不在Regions枚舉中時,才允許將字符串用於.withRegion()
。
我也嘗試過
`AWSCredentials credentials;
try {
credentials = new ProfileCredentialsProvider().getCredentials();
} catch (Exception e) {
throw new AmazonClientException("Cannot load the credentials from the credential profiles file. "
+ "Please make sure that your correct credentials file is at the correct "
+ "location (/Users/userid/.aws/credentials), and is in valid format.", e);
}
AWSSecurityTokenServiceClient stsClient = new AWSSecurityTokenServiceClient(credentials);
AssumeRoleRequest assumeRequest = new AssumeRoleRequest().withRoleArn(ROLE_ARN).withDurationSeconds(3600)
.withRoleSessionName("demo");
AssumeRoleResult assumeResult = stsClient.assumeRole(assumeRequest);
BasicSessionCredentials temporaryCredentials = new BasicSessionCredentials(
assumeResult.getCredentials().getAccessKeyId(), assumeResult.getCredentials().getSecretAccessKey(),
assumeResult.getCredentials().getSessionToken());
s3Client = new AmazonS3Client(temporaryCredentials).withRegion(Regions.EU_WEST_2
)`
為您的IAM角色提供可編程訪問權限,還可以在存儲桶策略中提供寫權限
{
"Version":"2012-10-17",
"Statement":[
{
"Sid":"mybucketpolicy",
"Effect":"Allow",
"Principal": {"Service": "s3.amazonaws.com"},
"Action":["s3:PutObject"],
"Resource":["arn:aws:s3:::destination-bucket/*"],
"Condition": {
"ArnLike": {
"aws:SourceArn": "arn:aws:s3:::source-bucket"
},
"StringEquals": {
"aws:SourceAccount": "accid",
"s3:x-amz-acl": "bucket-owner-full-control"
}
}
}
]
}
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