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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.controller.restapi.application;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.config.provision.Environment;
import com.yahoo.vespa.hosted.controller.api.Tenant;
import com.yahoo.vespa.hosted.controller.api.identifiers.AthenzDomain;
import com.yahoo.vespa.hosted.controller.api.identifiers.ScrewdriverId;
import com.yahoo.vespa.hosted.controller.api.identifiers.UserId;
import com.yahoo.vespa.hosted.controller.api.integration.zone.ZoneRegistry;
import com.yahoo.vespa.hosted.controller.athenz.ApplicationAction;
import com.yahoo.vespa.hosted.controller.athenz.AthenzClientFactory;
import com.yahoo.vespa.hosted.controller.athenz.AthenzPrincipal;
import com.yahoo.vespa.hosted.controller.athenz.AthenzUtils;
import com.yahoo.vespa.hosted.controller.athenz.ZmsException;
import com.yahoo.vespa.hosted.controller.restapi.filter.UnauthenticatedUserPrincipal;
import javax.ws.rs.ForbiddenException;
import java.security.Principal;
import java.util.Optional;
import java.util.logging.Logger;
import static com.yahoo.vespa.hosted.controller.restapi.application.Authorizer.environmentRequiresAuthorization;
import static com.yahoo.vespa.hosted.controller.restapi.application.Authorizer.isScrewdriverPrincipal;
/**
* @author bjorncs
* @author gjoranv
*/
public class DeployAuthorizer {
private static final Logger log = Logger.getLogger(DeployAuthorizer.class.getName());
private final ZoneRegistry zoneRegistry;
private final AthenzClientFactory athenzClientFactory;
public DeployAuthorizer(ZoneRegistry zoneRegistry, AthenzClientFactory athenzClientFactory) {
this.zoneRegistry = zoneRegistry;
this.athenzClientFactory = athenzClientFactory;
}
public void throwIfUnauthorizedForDeploy(Principal principal,
Environment environment,
Tenant tenant,
ApplicationId applicationId) {
if (athenzCredentialsRequired(environment, tenant, applicationId, principal))
checkAthenzCredentials(principal, tenant, applicationId);
}
// TODO: inline when deployment via ssh is removed
private boolean athenzCredentialsRequired(Environment environment, Tenant tenant, ApplicationId applicationId, Principal principal) {
if (!environmentRequiresAuthorization(environment)) return false;
if (! isScrewdriverPrincipal(principal))
throw loggedForbiddenException(
"Principal '%s' is not a screwdriver principal, and does not have deploy access to application '%s'",
principal.getName(), applicationId.toShortString());
return tenant.isAthensTenant();
}
// TODO: inline when deployment via ssh is removed
private void checkAthenzCredentials(Principal principal, Tenant tenant, ApplicationId applicationId) {
AthenzDomain domain = tenant.getAthensDomain().get();
if (! (principal instanceof AthenzPrincipal))
throw loggedForbiddenException("Principal '%s' is not authenticated.", principal.getName());
AthenzPrincipal athensPrincipal = (AthenzPrincipal)principal;
if ( ! hasDeployAccessToAthenzApplication(athensPrincipal, domain, applicationId))
throw loggedForbiddenException(
"Screwdriver principal '%1$s' does not have deploy access to '%2$s'. " +
"Either the application has not been created at " + zoneRegistry.getDashboardUri() + " or " +
"'%1$s' is not added to the application's deployer role in Athens domain '%3$s'.",
athensPrincipal, applicationId, tenant.getAthensDomain().get());
}
private static ForbiddenException loggedForbiddenException(String message, Object... args) {
String formattedMessage = String.format(message, args);
log.info(formattedMessage);
return new ForbiddenException(formattedMessage);
}
/**
* @deprecated Only usable for ssh. Use the method that takes Principal instead of UserId and screwdriverId.
*/
@Deprecated
public void throwIfUnauthorizedForDeploy(Environment environment,
UserId userId,
Tenant tenant,
ApplicationId applicationId,
Optional<ScrewdriverId> optionalScrewdriverId) {
Principal principal = new UnauthenticatedUserPrincipal(userId.id());
if (athenzCredentialsRequired(environment, tenant, applicationId, principal)) {
ScrewdriverId screwdriverId = optionalScrewdriverId.orElseThrow(
() -> loggedForbiddenException("Screwdriver id must be provided when deploying from Screwdriver."));
principal = AthenzUtils.createPrincipal(screwdriverId);
checkAthenzCredentials(principal, tenant, applicationId);
}
}
private boolean hasDeployAccessToAthenzApplication(AthenzPrincipal principal, AthenzDomain domain, ApplicationId applicationId) {
try {
return athenzClientFactory.createZmsClientWithServicePrincipal()
.hasApplicationAccess(
principal,
ApplicationAction.deploy,
domain,
new com.yahoo.vespa.hosted.controller.api.identifiers.ApplicationId(applicationId.application().value()));
} catch (ZmsException e) {
throw loggedForbiddenException(
"Failed to authorize deployment through Athenz. If this problem persists, " +
"please create ticket at yo/vespa-support. (" + e.getMessage() + ")");
}
}
}
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