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Diffstat (limited to 'mobile/android/thirdparty/ch/boye/httpclientandroidlib/auth/AuthScheme.java')
-rw-r--r-- | mobile/android/thirdparty/ch/boye/httpclientandroidlib/auth/AuthScheme.java | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/mobile/android/thirdparty/ch/boye/httpclientandroidlib/auth/AuthScheme.java b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/auth/AuthScheme.java new file mode 100644 index 000000000..a028f182d --- /dev/null +++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/auth/AuthScheme.java @@ -0,0 +1,130 @@ +/* + * ==================================================================== + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + * ==================================================================== + * + * This software consists of voluntary contributions made by many + * individuals on behalf of the Apache Software Foundation. For more + * information on the Apache Software Foundation, please see + * <http://www.apache.org/>. + * + */ +package ch.boye.httpclientandroidlib.auth; + +import ch.boye.httpclientandroidlib.Header; +import ch.boye.httpclientandroidlib.HttpRequest; + +/** + * This interface represents an abstract challenge-response oriented + * authentication scheme. + * <p> + * An authentication scheme should be able to support the following + * functions: + * <ul> + * <li>Parse and process the challenge sent by the target server + * in response to request for a protected resource + * <li>Provide its textual designation + * <li>Provide its parameters, if available + * <li>Provide the realm this authentication scheme is applicable to, + * if available + * <li>Generate authorization string for the given set of credentials + * and the HTTP request in response to the authorization challenge. + * </ul> + * <p> + * Authentication schemes may be stateful involving a series of + * challenge-response exchanges. + * <p> + * IMPORTANT: implementations of this interface MUST also implement {@link ContextAwareAuthScheme} + * interface in order to remain API compatible with newer versions of HttpClient. + * + * @since 4.0 + */ + +public interface AuthScheme { + + /** + * Processes the given challenge token. Some authentication schemes + * may involve multiple challenge-response exchanges. Such schemes must be able + * to maintain the state information when dealing with sequential challenges + * + * @param header the challenge header + */ + void processChallenge(final Header header) throws MalformedChallengeException; + + /** + * Returns textual designation of the given authentication scheme. + * + * @return the name of the given authentication scheme + */ + String getSchemeName(); + + /** + * Returns authentication parameter with the given name, if available. + * + * @param name The name of the parameter to be returned + * + * @return the parameter with the given name + */ + String getParameter(final String name); + + /** + * Returns authentication realm. If the concept of an authentication + * realm is not applicable to the given authentication scheme, returns + * <code>null</code>. + * + * @return the authentication realm + */ + String getRealm(); + + /** + * Tests if the authentication scheme is provides authorization on a per + * connection basis instead of usual per request basis + * + * @return <tt>true</tt> if the scheme is connection based, <tt>false</tt> + * if the scheme is request based. + */ + boolean isConnectionBased(); + + /** + * Authentication process may involve a series of challenge-response exchanges. + * This method tests if the authorization process has been completed, either + * successfully or unsuccessfully, that is, all the required authorization + * challenges have been processed in their entirety. + * + * @return <tt>true</tt> if the authentication process has been completed, + * <tt>false</tt> otherwise. + */ + boolean isComplete(); + + /** + * Produces an authorization string for the given set of {@link Credentials}. + * + * @param credentials The set of credentials to be used for athentication + * @param request The request being authenticated + * @throws AuthenticationException if authorization string cannot + * be generated due to an authentication failure + * + * @return the authorization string + * + * @deprecated (4.1) Use {@link ContextAwareAuthScheme#authenticate(Credentials, HttpRequest, ch.boye.httpclientandroidlib.protocol.HttpContext)} + */ + @Deprecated + Header authenticate(Credentials credentials, HttpRequest request) + throws AuthenticationException; + +} |