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Allow using artifact registry without credentials #3

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Merged
rolang merged 1 commit into from
Jan 17, 2026
Merged

Allow using artifact registry without credentials #3

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26 changes: 15 additions & 11 deletions modules/core/src/main/scala/dev/rolang/gar/ArtifactregistryHandler.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -22,34 +22,38 @@ import com.google.api.client.http.javanet.NetHttpTransport
import com.google.auth.oauth2.GoogleCredentials
import com.google.common.collect.ImmutableList
import com.google.auth.http.{HttpCredentialsAdapter, HttpTransportFactory}
import java.io.IOException
import java.net.MalformedURLException

object ArtifactRegistryUrlHandlerFactory {

private lazy val googleCredentials = {
private def googleCredentials(logger: Logger): Option[GoogleCredentials] = {
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@adrien-piquerez-da adrien-piquerez-da Jan 16, 2026

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No need to cache the GoogleCredentials here, it's already cached in DefaultsCredentialsProvider

val scopes: java.util.Collection[String] =
ImmutableList.of(
"https://www.googleapis.com/auth/cloud-platform",
"https://www.googleapis.com/auth/cloud-platform.read-only"
)

GoogleCredentials.getApplicationDefault().createScoped(scopes)
try Option(GoogleCredentials.getApplicationDefault().createScoped(scopes))
catch {
case e: IOException =>
logger.debug(s"Cannot load Google credentials: ${e.getMessage}")
None
}
}

private final val httpTransportFactory: HttpTransportFactory = { () =>
new NetHttpTransport()
}

private def createHttpRequestFactory(
credentials: GoogleCredentials
): HttpRequestFactory = {
val requestInitializer = new HttpCredentialsAdapter(credentials)
val httpTransport = httpTransportFactory.create()
httpTransport.createRequestFactory(requestInitializer)
}

def createURLStreamHandler(logger: Logger): ArtifactRegistryUrlHandler = {
val googleHttpRequestFactory = createHttpRequestFactory(googleCredentials)
val httpTransport = httpTransportFactory.create()
val googleHttpRequestFactory = googleCredentials(logger) match {
case Some(credentials) =>
val requestInitializer = new HttpCredentialsAdapter(credentials)
httpTransport.createRequestFactory(requestInitializer)
case None => httpTransport.createRequestFactory()
}

new ArtifactRegistryUrlHandler(googleHttpRequestFactory)(logger)
}
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