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| 1 | +package edu.harvard.dbmi.avillach.dataupload.aws; |
| 2 | + |
| 3 | +import org.slf4j.Logger; |
| 4 | +import org.slf4j.LoggerFactory; |
| 5 | +import org.springframework.beans.factory.annotation.Autowired; |
| 6 | +import org.springframework.context.annotation.Profile; |
| 7 | +import org.springframework.stereotype.Service; |
| 8 | +import software.amazon.awssdk.auth.credentials.AwsSessionCredentials; |
| 9 | +import software.amazon.awssdk.auth.credentials.StaticCredentialsProvider; |
| 10 | +import software.amazon.awssdk.http.SdkHttpClient; |
| 11 | +import software.amazon.awssdk.services.s3.S3Client; |
| 12 | +import software.amazon.awssdk.services.s3.S3ClientBuilder; |
| 13 | +import software.amazon.awssdk.services.sts.model.AssumeRoleRequest; |
| 14 | +import software.amazon.awssdk.services.sts.model.AssumeRoleResponse; |
| 15 | +import software.amazon.awssdk.services.sts.model.Credentials; |
| 16 | + |
| 17 | +import java.util.Map; |
| 18 | +import java.util.Optional; |
| 19 | + |
| 20 | +@Profile("!dev") |
| 21 | +@Service |
| 22 | +public class AWSClientBuilder { |
| 23 | + |
| 24 | + private static final Logger log = LoggerFactory.getLogger(AWSClientBuilder.class); |
| 25 | + |
| 26 | + private final Map<String, SiteAWSInfo> sites; |
| 27 | + private final StsClientProvider stsClientProvider; |
| 28 | + private final S3ClientBuilder s3ClientBuilder; |
| 29 | + private final SdkHttpClient sdkHttpClient; |
| 30 | + |
| 31 | + @Autowired |
| 32 | + public AWSClientBuilder( |
| 33 | + Map<String, SiteAWSInfo> sites, |
| 34 | + StsClientProvider stsClientProvider, |
| 35 | + S3ClientBuilder s3ClientBuilder, |
| 36 | + @Autowired(required = false) SdkHttpClient sdkHttpClient |
| 37 | + ) { |
| 38 | + this.sites = sites; |
| 39 | + this.stsClientProvider = stsClientProvider; |
| 40 | + this.s3ClientBuilder = s3ClientBuilder; |
| 41 | + this.sdkHttpClient = sdkHttpClient; |
| 42 | + } |
| 43 | + |
| 44 | + public Optional<S3Client> buildClientForSite(String siteName) { |
| 45 | + log.info("Building client for site {}", siteName); |
| 46 | + if (!sites.containsKey(siteName)) { |
| 47 | + log.warn("Could not find site {}", siteName); |
| 48 | + return Optional.empty(); |
| 49 | + } |
| 50 | + |
| 51 | + log.info("Found site, making assume role request"); |
| 52 | + SiteAWSInfo site = sites.get(siteName); |
| 53 | + AssumeRoleRequest roleRequest = AssumeRoleRequest.builder() |
| 54 | + .roleArn(site.roleARN()) |
| 55 | + .roleSessionName("test_session" + System.nanoTime()) |
| 56 | + .externalId(site.externalId()) |
| 57 | + .durationSeconds(60*60) // 1 hour |
| 58 | + .build(); |
| 59 | + Optional<Credentials> assumeRoleResponse = stsClientProvider.createClient() |
| 60 | + .map(c -> c.assumeRole(roleRequest)) |
| 61 | + .map(AssumeRoleResponse::credentials); |
| 62 | + if (assumeRoleResponse.isEmpty() ) { |
| 63 | + log.error("Error assuming role {} , no credentials returned", site.roleARN()); |
| 64 | + return Optional.empty(); |
| 65 | + } |
| 66 | + log.info("Successfully assumed role {} for site {}", site.roleARN(), site.siteName()); |
| 67 | + |
| 68 | + log.info("Building S3 client for site {}", site.siteName()); |
| 69 | + // Use the credentials from the role to create the S3 client |
| 70 | + Credentials credentials = assumeRoleResponse.get(); |
| 71 | + AwsSessionCredentials sessionCredentials = AwsSessionCredentials.builder() |
| 72 | + .accessKeyId(credentials.accessKeyId()) |
| 73 | + .secretAccessKey(credentials.secretAccessKey()) |
| 74 | + .sessionToken(credentials.sessionToken()) |
| 75 | + .expirationTime(credentials.expiration()) |
| 76 | + .build(); |
| 77 | + StaticCredentialsProvider provider = StaticCredentialsProvider.create(sessionCredentials); |
| 78 | + return Optional.of(buildFromProvider(provider)); |
| 79 | + } |
| 80 | + |
| 81 | + private S3Client buildFromProvider(StaticCredentialsProvider provider) { |
| 82 | + if (sdkHttpClient == null) { |
| 83 | + return s3ClientBuilder.credentialsProvider(provider).build(); |
| 84 | + } |
| 85 | + log.info("Http proxy detected and added to S3 client"); |
| 86 | + return s3ClientBuilder |
| 87 | + .credentialsProvider(provider) |
| 88 | + .httpClient(sdkHttpClient) |
| 89 | + .build(); |
| 90 | + |
| 91 | + } |
| 92 | + |
| 93 | +} |
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