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/*
* Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH under
* one or more contributor license agreements. Licensed under a proprietary license. See the
* License.txt file for more information. You may not use this file except in compliance with the
* proprietary license.
*/
package io.camunda.identity.sdk.authentication;
import com.auth0.jwt.interfaces.DecodedJWT;
import io.camunda.identity.sdk.IdentityConfiguration;
import io.camunda.identity.sdk.annotation.AnnotationProcessor;
import io.camunda.identity.sdk.annotation.RequiresOAuthCredentials;
import io.camunda.identity.sdk.authentication.dto.AuthCodeDto;
import io.camunda.identity.sdk.authentication.exception.CodeExchangeException;
import io.camunda.identity.sdk.authentication.exception.InvalidClaimException;
import io.camunda.identity.sdk.authentication.exception.InvalidSignatureException;
import io.camunda.identity.sdk.authentication.exception.JsonWebKeyException;
import io.camunda.identity.sdk.authentication.exception.TokenDecodeException;
import io.camunda.identity.sdk.authentication.exception.TokenExpiredException;
import io.camunda.identity.sdk.exception.IdentityException;
import io.camunda.identity.sdk.impl.auth0.authentication.Auth0Authentication;
import io.camunda.identity.sdk.impl.generic.GenericAuthentication;
import io.camunda.identity.sdk.impl.keycloak.KeycloakAuthentication;
import io.camunda.identity.sdk.impl.microsoft.MicrosoftAuthentication;
import io.camunda.identity.sdk.impl.rest.RestClient;
import java.net.URI;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import org.apache.commons.lang3.NotImplementedException;
/**
* The Authentication class provides functionality to authenticate a user with Identity
* and verify access tokens.
*/
public interface Authentication {
/**
* Factory function to create a new authentication instance
*
* @param configuration Identity configuration
* @return Authentication instance
*/
static Authentication create(final IdentityConfiguration configuration) {
final Authentication authentication;
switch (configuration.getType()) {
case AUTH0:
authentication = new Auth0Authentication(configuration, new RestClient());
break;
case KEYCLOAK:
authentication = new KeycloakAuthentication(configuration, new RestClient());
break;
case MICROSOFT:
authentication = new MicrosoftAuthentication(configuration, new RestClient());
break;
case GENERIC:
authentication = new GenericAuthentication(configuration, new RestClient());
break;
default:
throw new RuntimeException("not implemented");
}
return AnnotationProcessor.apply(configuration, Authentication.class, authentication);
}
/**
* Returns a true/false indicating if authentication is available or not.
*
* @return the availability of authentication
*/
boolean isAvailable();
/**
* Returns a new Authorize uri builder. It is used to build the authorize uri
* for user authentication.
*
* @param redirectUri the redirect uri
* @return the authorize uri builder
*/
@RequiresOAuthCredentials
AuthorizeUriBuilder authorizeUriBuilder(final String redirectUri);
/**
* Exchanges provided auth code with access tokens. The provided redirect uri argument must match
* the redirect uri that was used to build the authorize uri.
*
* @param authCodeDto the auth code dto
* @param redirectUri the redirect uri
* @return the tokens
* @throws CodeExchangeException if code exchange fails
*/
@RequiresOAuthCredentials
Tokens exchangeAuthCode(final AuthCodeDto authCodeDto, final String redirectUri)
throws CodeExchangeException;
/**
* Exchanges provided refresh token with an access tokens.
*
* @param refreshToken refresh token used for the request
* @return the tokens
* @throws IdentityException if token renewal has failed
*/
@RequiresOAuthCredentials
Tokens renewToken(final String refreshToken);
/**
* Logs out from Identity backend. This will invalidate the given refresh token
* and refresh tokens issued for other applications during the same session. The user's session
* or access token still has to be deleted by the client application.
*
* @param refreshToken refresh token used for the request
* @throws IdentityException if token revocation has failed
*/
@RequiresOAuthCredentials
void revokeToken(final String refreshToken);
/**
* Logs out from Identity backend based on the configuration, one of these cases is possible:
* 1. The refresh token is not empty and OP has provided a revoke endpoint,
* then see {@link #revokeToken}, in this case the method return an empty Optional.
* 2. end-session endpoint is available, so in this case the url for logout is returned and
* client should handle the redirection
* 3. otherwise this method will throw exception
*
* @param refreshToken refresh token used for the request
* @param callbackUrl the URL to redirect to post-SSO if supported by SSO provider
* @throws IdentityException if token revocation has failed or neither revoke
* @throws NotImplementedException if case 3 happens
*/
@RequiresOAuthCredentials
Optional singleSignOut(final String refreshToken, final String callbackUrl);
/**
* Requests a client token from the cache if available. If
* no token is found with the required audience, a new token
* will be requested from the authentication provider and stored.
*
* @param audience the audience of the resource server
* @return the tokens
* @throws IdentityException if case of a failure
*/
@RequiresOAuthCredentials
Tokens requestToken(final String audience);
/**
* Decodes a token. Can be used to access tokens data without validation
*
* @param token token in JWT format
* @return decoded token
* @throws TokenDecodeException the token can not be decoded
*/
DecodedJWT decodeJWT(final String token);
/**
* Verifies the validity of the passed token. Following checks will be performed:
*
* - The token is correctly signed
* - The token has not expired
* - Token's audience (aud claim) matches application's audience
*
*
* @param token the token
* @return the decoded jwt
* @throws TokenDecodeException the token can not be decoded
* @throws InvalidSignatureException the token's signature is invalid
* @throws TokenExpiredException the token has expired
* @throws InvalidClaimException the provided claim is invalid
* @throws JsonWebKeyException the JWK needed to verify token's signature can not be
* retrieved
*/
AccessToken verifyToken(final String token);
/**
* Verifies the validity of the passed token and organisation. Following checks will be performed:
*
* - The token is correctly signed
* - The token has not expired
* - Token's audience (aud claim) matches application's audience
*
*
* @param token the token
* @param organizationId the organisation of the token
* @return the decoded jwt
* @throws TokenDecodeException the token can not be decoded
* @throws InvalidSignatureException the token's signature is invalid
* @throws TokenExpiredException the token has expired
* @throws InvalidClaimException the provided claim is invalid
* @throws JsonWebKeyException the JWK needed to verify token's signature can not be
* retrieved
*/
AccessToken verifyToken(final String token, final String organizationId);
/**
* Verifies the validity of the passed token. Following checks will be performed:
*
* - The token is correctly signed
* - The token has not expired
*
*
* @param token the token
* @return the decoded jwt
* @throws TokenDecodeException the token can not be decoded
* @throws InvalidSignatureException the token's signature is invalid
* @throws TokenExpiredException the token has expired
* @throws InvalidClaimException the provided claim is invalid
* @throws JsonWebKeyException the JWK needed to verify token's signature can not be
* retrieved
*/
AccessToken verifyTokenIgnoringAudience(final String token);
/**
* Checks if the token passed in is considered an M2M token.
*
* @param token the token
* @return true if the token is a M2M token, else false
*/
boolean isM2MToken(final String token);
/**
* Gets the client ID associated to the token
*
* @param token the token
* @return the clientID
*/
String getClientId(final String token);
DecodedJWT verifyAndDecode(String token, String audience);
Map> getAssignedOrganizations(DecodedJWT token);
/**
* Verifies the validity of the passed token and return permissions assigned to it.
* Following checks will be performed:
*
* - The token is correctly signed
* - The token has not expired
* - Token's audience (aud claim) matches application's audience
*
*
* @param token the token
* @return list of permissions assigned to the token
* @throws TokenDecodeException the token can not be decoded
* @throws InvalidSignatureException the token's signature is invalid
* @throws TokenExpiredException the token has expired
* @throws InvalidClaimException the provided claim is invalid
* @throws JsonWebKeyException the JWK needed to verify token's signature can not be
* retrieved
*/
List getPermissions(String token);
/**
* Verifies the validity of the passed token and audience and return permissions assigned to it.
* Following checks will be performed:
*
* - The token is correctly signed
* - The token has not expired
* - Token's audience (aud claim) matches application's audience
*
*
* @param token the token
* @param audience the audience
* @return list of permissions assigned to the token
* @throws TokenDecodeException the token can not be decoded
* @throws InvalidSignatureException the token's signature is invalid
* @throws TokenExpiredException the token has expired
* @throws InvalidClaimException the provided claim is invalid
* @throws JsonWebKeyException the JWK needed to verify token's signature can not be
* retrieved
*/
List getPermissions(String token, String audience);
/**
* Verifies the validity of the passed token and return groups assigned to it.
* Following checks will be performed:
*
* - The token is correctly signed
* - The token has not expired
* - Token's audience (aud claim) matches application's audience
*
*
* @param token the token
* @return list of groups assigned to the token
* @throws TokenDecodeException the token can not be decoded
* @throws InvalidSignatureException the token's signature is invalid
* @throws TokenExpiredException the token has expired
* @throws InvalidClaimException the provided claim is invalid
* @throws JsonWebKeyException the JWK needed to verify token's signature can not be
* retrieved
*/
List getGroups(String token);
/**
* Verifies the validity of the passed token and audience and return groups assigned to it.
* Following checks will be performed:
*
* - The token is correctly signed
* - The token has not expired
* - Token's audience (aud claim) matches application's audience
*
*
* @param token the token
* @param audience the audience
* @return list of groups assigned to the token
* @throws TokenDecodeException the token can not be decoded
* @throws InvalidSignatureException the token's signature is invalid
* @throws TokenExpiredException the token has expired
* @throws InvalidClaimException the provided claim is invalid
* @throws JsonWebKeyException the JWK needed to verify token's signature can not be
* retrieved
*/
List getGroups(String token, String audience);
/**
* Verifies the validity of the passed token and return groups assigned
* to it within the organization.
* Following checks will be performed:
*
* - The token is correctly signed
* - The token has not expired
* - Token's audience (aud claim) matches application's audience
*
*
* @param token the token
* @param organization the organization
* @return list of groups assigned to the token within the organization. If organization is null,
* it returns groups that has no organization assigned to them.
* @throws TokenDecodeException the token can not be decoded
* @throws InvalidSignatureException the token's signature is invalid
* @throws TokenExpiredException the token has expired
* @throws InvalidClaimException the provided claim is invalid
* @throws JsonWebKeyException the JWK needed to verify token's signature can not be
* retrieved
*/
List getGroupsInOrganization(String token, String organization);
/**
* Verifies the validity of the passed token and audience and return groups assigned
* to it within the organization.
* Following checks will be performed:
*
* - The token is correctly signed
* - The token has not expired
* - Token's audience (aud claim) matches application's audience
*
*
* @param token the token
* @param audience the audience
* @param organization the organization
* @return list of groups assigned to the token within the organization. If organization is null,
* it returns groups that has no organization assigned to them.
* @throws TokenDecodeException the token can not be decoded
* @throws InvalidSignatureException the token's signature is invalid
* @throws TokenExpiredException the token has expired
* @throws InvalidClaimException the provided claim is invalid
* @throws JsonWebKeyException the JWK needed to verify token's signature can not be
* retrieved
*/
List getGroupsInOrganization(String token, String audience, String organization);
}
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