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Bekerja dengan Pembuat IAM Kebijakan API menggunakan AWS SDK
Contoh kode berikut ini menunjukkan cara:
Buat IAM kebijakan dengan menggunakan berorientasi objekAPI.
Gunakan Pembuat IAM Kebijakan API dengan IAM layanan ini.
- Java
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- SDKuntuk Java 2.x
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catatan
Ada lebih banyak tentang GitHub. Temukan contoh lengkapnya dan pelajari cara pengaturan dan menjalankannya di Repositori Contoh Kode AWS
. Contoh menggunakan impor berikut.
import org.slf4j.Logger; import org.slf4j.LoggerFactory; import software.amazon.awssdk.policybuilder.iam.IamConditionOperator; import software.amazon.awssdk.policybuilder.iam.IamEffect; import software.amazon.awssdk.policybuilder.iam.IamPolicy; import software.amazon.awssdk.policybuilder.iam.IamPolicyWriter; import software.amazon.awssdk.policybuilder.iam.IamPrincipal; import software.amazon.awssdk.policybuilder.iam.IamPrincipalType; import software.amazon.awssdk.policybuilder.iam.IamResource; import software.amazon.awssdk.policybuilder.iam.IamStatement; import software.amazon.awssdk.regions.Region; import software.amazon.awssdk.services.iam.IamClient; import software.amazon.awssdk.services.iam.model.GetPolicyResponse; import software.amazon.awssdk.services.iam.model.GetPolicyVersionResponse; import software.amazon.awssdk.services.sts.StsClient; import java.net.URLDecoder; import java.nio.charset.StandardCharsets; import java.util.Arrays; import java.util.List;Buat kebijakan berbasis waktu.
public String timeBasedPolicyExample() { IamPolicy policy = IamPolicy.builder() .addStatement(b -> b .effect(IamEffect.ALLOW) .addAction("dynamodb:GetItem") .addResource(IamResource.ALL) .addCondition(b1 -> b1 .operator(IamConditionOperator.DATE_GREATER_THAN) .key("aws:CurrentTime") .value("2020-04-01T00:00:00Z")) .addCondition(b1 -> b1 .operator(IamConditionOperator.DATE_LESS_THAN) .key("aws:CurrentTime") .value("2020-06-30T23:59:59Z"))) .build(); // Use an IamPolicyWriter to write out the JSON string to a more readable // format. return policy.toJson(IamPolicyWriter.builder() .prettyPrint(true) .build()); }Buat kebijakan dengan beberapa kondisi.
public String multipleConditionsExample() { IamPolicy policy = IamPolicy.builder() .addStatement(b -> b .effect(IamEffect.ALLOW) .addAction("dynamodb:GetItem") .addAction("dynamodb:BatchGetItem") .addAction("dynamodb:Query") .addAction("dynamodb:PutItem") .addAction("dynamodb:UpdateItem") .addAction("dynamodb:DeleteItem") .addAction("dynamodb:BatchWriteItem") .addResource("arn:aws:dynamodb:*:*:table/table-name") .addConditions(IamConditionOperator.STRING_EQUALS .addPrefix("ForAllValues:"), "dynamodb:Attributes", List.of("column-name1", "column-name2", "column-name3")) .addCondition(b1 -> b1 .operator(IamConditionOperator.STRING_EQUALS .addSuffix("IfExists")) .key("dynamodb:Select") .value("SPECIFIC_ATTRIBUTES"))) .build(); return policy.toJson(IamPolicyWriter.builder() .prettyPrint(true).build()); }Gunakan prinsipal dalam kebijakan.
public String specifyPrincipalsExample() { IamPolicy policy = IamPolicy.builder() .addStatement(b -> b .effect(IamEffect.DENY) .addAction("s3:*") .addPrincipal(IamPrincipal.ALL) .addResource("arn:aws:s3:::BUCKETNAME/*") .addResource("arn:aws:s3:::BUCKETNAME") .addCondition(b1 -> b1 .operator(IamConditionOperator.ARN_NOT_EQUALS) .key("aws:PrincipalArn") .value("arn:aws:iam::444455556666:user/user-name"))) .build(); return policy.toJson(IamPolicyWriter.builder() .prettyPrint(true).build()); }Izinkan akses lintas akun.
public String allowCrossAccountAccessExample() { IamPolicy policy = IamPolicy.builder() .addStatement(b -> b .effect(IamEffect.ALLOW) .addPrincipal(IamPrincipalType.AWS, "111122223333") .addAction("s3:PutObject") .addResource("arn:aws:s3:::amzn-s3-demo-bucket/*") .addCondition(b1 -> b1 .operator(IamConditionOperator.STRING_EQUALS) .key("s3:x-amz-acl") .value("bucket-owner-full-control"))) .build(); return policy.toJson(IamPolicyWriter.builder() .prettyPrint(true).build()); }Membangun dan meng-upload file
IamPolicy.public String createAndUploadPolicyExample(IamClient iam, String accountID, String policyName) { // Build the policy. IamPolicy policy = IamPolicy.builder() // 'version' defaults to "2012-10-17". .addStatement(IamStatement.builder() .effect(IamEffect.ALLOW) .addAction("dynamodb:PutItem") .addResource("arn:aws:dynamodb:us-east-1:" + accountID + ":table/exampleTableName") .build()) .build(); // Upload the policy. iam.createPolicy(r -> r.policyName(policyName).policyDocument(policy.toJson())); return policy.toJson(IamPolicyWriter.builder().prettyPrint(true).build()); }Unduh dan kerjakan dengan file
IamPolicy.public String createNewBasedOnExistingPolicyExample(IamClient iam, String accountID, String policyName, String newPolicyName) { String policyArn = "arn:aws:iam::" + accountID + ":policy/" + policyName; GetPolicyResponse getPolicyResponse = iam.getPolicy(r -> r.policyArn(policyArn)); String policyVersion = getPolicyResponse.policy().defaultVersionId(); GetPolicyVersionResponse getPolicyVersionResponse = iam .getPolicyVersion(r -> r.policyArn(policyArn).versionId(policyVersion)); // Create an IamPolicy instance from the JSON string returned from IAM. String decodedPolicy = URLDecoder.decode(getPolicyVersionResponse.policyVersion().document(), StandardCharsets.UTF_8); IamPolicy policy = IamPolicy.fromJson(decodedPolicy); /* * All IamPolicy components are immutable, so use the copy method that creates a * new instance that * can be altered in the same method call. * * Add the ability to get an item from DynamoDB as an additional action. */ IamStatement newStatement = policy.statements().get(0).copy(s -> s.addAction("dynamodb:GetItem")); // Create a new statement that replaces the original statement. IamPolicy newPolicy = policy.copy(p -> p.statements(Arrays.asList(newStatement))); // Upload the new policy. IAM now has both policies. iam.createPolicy(r -> r.policyName(newPolicyName) .policyDocument(newPolicy.toJson())); return newPolicy.toJson(IamPolicyWriter.builder().prettyPrint(true).build()); }-
Untuk informasi selengkapnya, lihat AWS SDK for Java 2.x Panduan Developer.
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Untuk API detailnya, lihat topik berikut di AWS SDK for Java 2.x APIReferensi.
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Untuk daftar lengkap panduan AWS SDK pengembang dan contoh kode, lihatMenggunakan layanan ini dengan AWS SDK. Topik ini juga mencakup informasi tentang memulai dan detail tentang SDK versi sebelumnya.
Kembalikan versi kebijakan
AWS STS