diff options
Diffstat (limited to 'upstream/odl-aaa-moon/aaa/aaa-authn-basic/src/main/java/org/opendaylight/aaa/basic')
2 files changed, 160 insertions, 0 deletions
diff --git a/upstream/odl-aaa-moon/aaa/aaa-authn-basic/src/main/java/org/opendaylight/aaa/basic/Activator.java b/upstream/odl-aaa-moon/aaa/aaa-authn-basic/src/main/java/org/opendaylight/aaa/basic/Activator.java new file mode 100644 index 00000000..bd57c9d3 --- /dev/null +++ b/upstream/odl-aaa-moon/aaa/aaa-authn-basic/src/main/java/org/opendaylight/aaa/basic/Activator.java @@ -0,0 +1,31 @@ +/* + * Copyright (c) 2014, 2015 Hewlett-Packard Development Company, L.P. and others. All rights reserved. + * + * This program and the accompanying materials are made available under the + * terms of the Eclipse Public License v1.0 which accompanies this distribution, + * and is available at http://www.eclipse.org/legal/epl-v10.html + */ + +package org.opendaylight.aaa.basic; + +import org.apache.felix.dm.DependencyActivatorBase; +import org.apache.felix.dm.DependencyManager; +import org.opendaylight.aaa.api.CredentialAuth; +import org.opendaylight.aaa.api.TokenAuth; +import org.osgi.framework.BundleContext; + +public class Activator extends DependencyActivatorBase { + + @Override + public void init(BundleContext context, DependencyManager manager) throws Exception { + manager.add(createComponent() + .setInterface(new String[] { TokenAuth.class.getName() }, null) + .setImplementation(HttpBasicAuth.class) + .add(createServiceDependency().setService(CredentialAuth.class).setRequired(true))); + } + + @Override + public void destroy(BundleContext context, DependencyManager manager) throws Exception { + } + +} diff --git a/upstream/odl-aaa-moon/aaa/aaa-authn-basic/src/main/java/org/opendaylight/aaa/basic/HttpBasicAuth.java b/upstream/odl-aaa-moon/aaa/aaa-authn-basic/src/main/java/org/opendaylight/aaa/basic/HttpBasicAuth.java new file mode 100644 index 00000000..eff47e63 --- /dev/null +++ b/upstream/odl-aaa-moon/aaa/aaa-authn-basic/src/main/java/org/opendaylight/aaa/basic/HttpBasicAuth.java @@ -0,0 +1,129 @@ +/* + * Copyright (c) 2014, 2015 Hewlett-Packard Development Company, L.P. and others. All rights reserved. + * + * This program and the accompanying materials are made available under the + * terms of the Eclipse Public License v1.0 which accompanies this distribution, + * and is available at http://www.eclipse.org/legal/epl-v10.html + */ + +package org.opendaylight.aaa.basic; + +import com.sun.jersey.core.util.Base64; +import java.util.List; +import java.util.Map; +import org.opendaylight.aaa.AuthenticationBuilder; +import org.opendaylight.aaa.PasswordCredentialBuilder; +import org.opendaylight.aaa.api.Authentication; +import org.opendaylight.aaa.api.AuthenticationException; +import org.opendaylight.aaa.api.Claim; +import org.opendaylight.aaa.api.CredentialAuth; +import org.opendaylight.aaa.api.PasswordCredentials; +import org.opendaylight.aaa.api.TokenAuth; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * An HTTP Basic authenticator. Note that this is provided as a Hydrogen + * backward compatible authenticator, but usage of this authenticator or HTTP + * Basic Authentication is highly discouraged due to its vulnerability. + * + * To obtain a token using the HttpBasicAuth Strategy, add a header to your HTTP + * request in the form: + * <code>Authorization: Basic BASE_64_ENCODED_CREDENTIALS</code> + * + * Where <code>BASE_64_ENCODED_CREDENTIALS</code> is the base 64 encoded value + * of the user's credentials in the following form: <code>user:password</code> + * + * For example, assuming the user is "admin" and the password is "admin": + * <code>Authorization: Basic YWRtaW46YWRtaW4=</code> + * + * @author liemmn + * + */ +public class HttpBasicAuth implements TokenAuth { + + public static final String AUTH_HEADER = "Authorization"; + + public static final String AUTH_SEP = ":"; + + public static final String BASIC_PREFIX = "Basic "; + + // TODO relocate this constant + public static final String DEFAULT_DOMAIN = "sdn"; + + /** + * username and password + */ + private static final int NUM_HEADER_CREDS = 2; + + /** + * username, password and domain + */ + private static final int NUM_TOKEN_CREDS = 3; + + private static final Logger LOG = LoggerFactory.getLogger(HttpBasicAuth.class); + + volatile CredentialAuth<PasswordCredentials> credentialAuth; + + private static boolean checkAuthHeaderFormat(final String authHeader) { + return (authHeader != null && authHeader.startsWith(BASIC_PREFIX)); + } + + private static String extractAuthHeader(final Map<String, List<String>> headers) { + return headers.get(AUTH_HEADER).get(0); + } + + private static String[] extractCredentialArray(final String authHeader) { + return new String(Base64.base64Decode(authHeader.substring(BASIC_PREFIX.length()))) + .split(AUTH_SEP); + } + + private static boolean verifyCredentialArray(final String[] creds) { + return (creds != null && creds.length == NUM_HEADER_CREDS); + } + + private static String[] addDomainToCredentialArray(final String[] creds) { + String newCredentialArray[] = new String[NUM_TOKEN_CREDS]; + System.arraycopy(creds, 0, newCredentialArray, 0, creds.length); + newCredentialArray[2] = DEFAULT_DOMAIN; + return newCredentialArray; + } + + private static Authentication generateAuthentication( + CredentialAuth<PasswordCredentials> credentialAuth, final String[] creds) + throws ArrayIndexOutOfBoundsException { + final PasswordCredentials pc = new PasswordCredentialBuilder().setUserName(creds[0]) + .setPassword(creds[1]).setDomain(creds[2]).build(); + final Claim claim = credentialAuth.authenticate(pc); + return new AuthenticationBuilder(claim).build(); + } + + @Override + public Authentication validate(final Map<String, List<String>> headers) + throws AuthenticationException { + if (headers.containsKey(AUTH_HEADER)) { + final String authHeader = extractAuthHeader(headers); + if (checkAuthHeaderFormat(authHeader)) { + // HTTP Basic Auth + String[] creds = extractCredentialArray(authHeader); + // If no domain was supplied then use the default one, which is + // "sdn". + if (verifyCredentialArray(creds)) { + creds = addDomainToCredentialArray(creds); + } + // Assumes correct formatting in form Base64("user:password"). + // Throws an exception if an unknown format is used. + try { + return generateAuthentication(this.credentialAuth, creds); + } catch (ArrayIndexOutOfBoundsException e) { + final String message = "Login Attempt in Bad Format." + + " Please provide user:password in Base64 format."; + LOG.info(message); + throw new AuthenticationException(message); + } + } + } + return null; + } + +} |