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/*
* ====================================================================
* 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
* .
*
*/
package org.apache.http.auth;
import java.util.Queue;
import org.apache.http.util.Args;
/**
* This class provides detailed information about the state of the authentication process.
*
* @since 4.0
*/
public class AuthState {
/** Actual state of authentication protocol */
private AuthProtocolState state;
/** Actual authentication scheme */
private AuthScheme authScheme;
/** Actual authentication scope */
private AuthScope authScope;
/** Credentials selected for authentication */
private Credentials credentials;
/** Available auth options */
private Queue authOptions;
public AuthState() {
super();
this.state = AuthProtocolState.UNCHALLENGED;
}
/**
* Resets the auth state.
*
* @since 4.2
*/
public void reset() {
this.state = AuthProtocolState.UNCHALLENGED;
this.authOptions = null;
this.authScheme = null;
this.authScope = null;
this.credentials = null;
}
/**
* @since 4.2
*/
public AuthProtocolState getState() {
return this.state;
}
/**
* @since 4.2
*/
public void setState(final AuthProtocolState state) {
this.state = state != null ? state : AuthProtocolState.UNCHALLENGED;
}
/**
* Returns actual {@link AuthScheme}. May be null.
*/
public AuthScheme getAuthScheme() {
return this.authScheme;
}
/**
* Returns actual {@link Credentials}. May be null.
*/
public Credentials getCredentials() {
return this.credentials;
}
/**
* Updates the auth state with {@link AuthScheme} and {@link Credentials}.
*
* @param authScheme auth scheme. May not be null.
* @param credentials user crednetials. May not be null.
*
* @since 4.2
*/
public void update(final AuthScheme authScheme, final Credentials credentials) {
Args.notNull(authScheme, "Auth scheme");
Args.notNull(credentials, "Credentials");
this.authScheme = authScheme;
this.credentials = credentials;
this.authOptions = null;
}
/**
* Returns available {@link AuthOption}s. May be null.
*
* @since 4.2
*/
public Queue getAuthOptions() {
return this.authOptions;
}
/**
* Returns {@code true} if {@link AuthOption}s are available, {@code false}
* otherwise.
*
* @since 4.2
*/
public boolean hasAuthOptions() {
return this.authOptions != null && !this.authOptions.isEmpty();
}
/**
* Returns {@code true} if the actual authentication scheme is connection based.
*
* @since 4.5.6
*/
public boolean isConnectionBased() {
return this.authScheme != null && this.authScheme.isConnectionBased();
}
/**
* Updates the auth state with a queue of {@link AuthOption}s.
*
* @param authOptions a queue of auth options. May not be null or empty.
*
* @since 4.2
*/
public void update(final Queue authOptions) {
Args.notEmpty(authOptions, "Queue of auth options");
this.authOptions = authOptions;
this.authScheme = null;
this.credentials = null;
}
/**
* Invalidates the authentication state by resetting its parameters.
*
* @deprecated (4.2) use {@link #reset()}
*/
@Deprecated
public void invalidate() {
reset();
}
/**
* @deprecated (4.2) do not use
*/
@Deprecated
public boolean isValid() {
return this.authScheme != null;
}
/**
* Assigns the given {@link AuthScheme authentication scheme}.
*
* @param authScheme the {@link AuthScheme authentication scheme}
*
* @deprecated (4.2) use {@link #update(AuthScheme, Credentials)}
*/
@Deprecated
public void setAuthScheme(final AuthScheme authScheme) {
if (authScheme == null) {
reset();
return;
}
this.authScheme = authScheme;
}
/**
* Sets user {@link Credentials} to be used for authentication
*
* @param credentials User credentials
*
* @deprecated (4.2) use {@link #update(AuthScheme, Credentials)}
*/
@Deprecated
public void setCredentials(final Credentials credentials) {
this.credentials = credentials;
}
/**
* Returns actual {@link AuthScope} if available
*
* @return actual authentication scope if available, {@code null} otherwise
*
* @deprecated (4.2) do not use.
*/
@Deprecated
public AuthScope getAuthScope() {
return this.authScope;
}
/**
* Sets actual {@link AuthScope}.
*
* @param authScope Authentication scope
*
* @deprecated (4.2) do not use.
*/
@Deprecated
public void setAuthScope(final AuthScope authScope) {
this.authScope = authScope;
}
@Override
public String toString() {
final StringBuilder buffer = new StringBuilder();
buffer.append("state:").append(this.state).append(";");
if (this.authScheme != null) {
buffer.append("auth scheme:").append(this.authScheme.getSchemeName()).append(";");
}
if (this.credentials != null) {
buffer.append("credentials present");
}
return buffer.toString();
}
}