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Support for OIDC #80

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Support for OIDC #80

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2381f65
Support for OIDC
sedexken Dec 13, 2024
3281be8
Make it 1.8 compatible
sedexken Dec 13, 2024
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7 changes: 7 additions & 0 deletions src/main/kotlin/com/github/burrunan/s3cache/AwsS3BuildCache.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,13 @@ open class AwsS3BuildCache : AbstractBuildCache() {
get() = field ?: System.getenv("S3_BUILD_CACHE_SESSION_TOKEN")
var awsProfile: String? = null
get() = field ?: System.getenv("S3_BUILD_CACHE_PROFILE")

// OIDC Configuration
var awsWebIdentityTokenFile: String? = null
get() = field ?: System.getenv("AWS_WEB_IDENTITY_TOKEN_FILE")
var awsRoleARN: String? = null
get() = field ?: System.getenv("AWS_ROLE_ARN")

var lookupDefaultAwsCredentials: Boolean = false
var credentialsProvider: AwsCredentialsProvider? = null
var showStatistics: Boolean = true
Expand Down
31 changes: 19 additions & 12 deletions src/main/kotlin/com/github/burrunan/s3cache/internal/AwsS3BuildCacheServiceFactory.kt
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Expand Up @@ -19,16 +19,13 @@ import com.github.burrunan.s3cache.AwsS3BuildCache
import org.gradle.caching.BuildCacheService
import org.gradle.caching.BuildCacheServiceFactory
import org.slf4j.LoggerFactory
import software.amazon.awssdk.auth.credentials.AnonymousCredentialsProvider
import software.amazon.awssdk.auth.credentials.AwsBasicCredentials
import software.amazon.awssdk.auth.credentials.AwsSessionCredentials
import software.amazon.awssdk.auth.credentials.ProfileCredentialsProvider
import software.amazon.awssdk.auth.credentials.StaticCredentialsProvider
import software.amazon.awssdk.auth.credentials.*
import software.amazon.awssdk.regions.Region
import software.amazon.awssdk.services.s3.S3Client
import software.amazon.awssdk.services.s3.S3ClientBuilder
import software.amazon.awssdk.services.s3.S3Configuration
import java.net.URI
import java.nio.file.FileSystems

private val logger = LoggerFactory.getLogger(AwsS3BuildCacheServiceFactory::class.java)

Expand Down Expand Up @@ -106,13 +103,23 @@ class AwsS3BuildCacheServiceFactory : BuildCacheServiceFactory<AwsS3BuildCache>

private fun S3ClientBuilder.addCredentials(config: AwsS3BuildCache) {
val credentials = when {
config.credentialsProvider != null -> config.credentialsProvider
config.awsAccessKeyId.isNullOrBlank() || config.awsSecretKey.isNullOrBlank() -> when {
config.lookupDefaultAwsCredentials -> return
!config.awsProfile.isNullOrBlank() ->
ProfileCredentialsProvider.create(config.awsProfile)
else -> AnonymousCredentialsProvider.create()
}
config.credentialsProvider != null ->
config.credentialsProvider

config.awsWebIdentityTokenFile != null ->
WebIdentityTokenFileCredentialsProvider.builder().apply {
this.roleArn(config.awsRoleARN)
this.webIdentityTokenFile(FileSystems.getDefault().getPath(config.awsWebIdentityTokenFile!!))
}.build()

config.awsAccessKeyId.isNullOrBlank() || config.awsSecretKey.isNullOrBlank() ->
when {
config.lookupDefaultAwsCredentials -> return
!config.awsProfile.isNullOrBlank() ->
ProfileCredentialsProvider.create(config.awsProfile)
else -> AnonymousCredentialsProvider.create()
}

else ->
StaticCredentialsProvider.create(
if (config.sessionToken.isNullOrEmpty()) {
Expand Down
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