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The Adobe Experience Manager SDK
/*
* ====================================================================
* 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
*
* This class can also optionally contain a host of origin, if created in response
* to authentication challenge from a specific host.
*
* @since 4.0
*/
@Contract(threading = ThreadingBehavior.IMMUTABLE)
public class AuthScope {
/**
* The {@code null} value represents any host. In the future versions of
* HttpClient the use of this parameter will be discontinued.
*/
public static final String ANY_HOST = null;
/**
* The {@code -1} value represents any port.
*/
public static final int ANY_PORT = -1;
/**
* The {@code null} value represents any realm.
*/
public static final String ANY_REALM = null;
/**
* The {@code null} value represents any authentication scheme.
*/
public static final String ANY_SCHEME = null;
/**
* Default scope matching any host, port, realm and authentication scheme.
* In the future versions of HttpClient the use of this parameter will be
* discontinued.
*/
public static final AuthScope ANY = new AuthScope(ANY_HOST, ANY_PORT, ANY_REALM, ANY_SCHEME);
/** The authentication scheme the credentials apply to. */
private final String scheme;
/** The realm the credentials apply to. */
private final String realm;
/** The host the credentials apply to. */
private final String host;
/** The port the credentials apply to. */
private final int port;
/** The original host, if known */
private final HttpHost origin;
/**
* Defines auth scope with the given {@code host}, {@code port}, {@code realm}, and
* {@code schemeName}.
*
* @param host authentication host. May be {@link #ANY_HOST} if applies
* to any host.
* @param port authentication port. May be {@link #ANY_PORT} if applies
* to any port of the host.
* @param realm authentication realm. May be {@link #ANY_REALM} if applies
* to any realm on the host.
* @param schemeName authentication scheme. May be {@link #ANY_SCHEME} if applies
* to any scheme supported by the host.
*/
public AuthScope(
final String host,
final int port,
final String realm,
final String schemeName) {
this.host = host == null ? ANY_HOST: host.toLowerCase(Locale.ROOT);
this.port = port < 0 ? ANY_PORT : port;
this.realm = realm == null ? ANY_REALM : realm;
this.scheme = schemeName == null ? ANY_SCHEME : schemeName.toUpperCase(Locale.ROOT);
this.origin = null;
}
/**
* Defines auth scope for a specific host of origin.
*
* @param origin host of origin
* @param realm authentication realm. May be {@link #ANY_REALM} if applies
* to any realm on the host.
* @param schemeName authentication scheme. May be {@link #ANY_SCHEME} if applies
* to any scheme supported by the host.
*
* @since 4.2
*/
public AuthScope(
final HttpHost origin,
final String realm,
final String schemeName) {
Args.notNull(origin, "Host");
this.host = origin.getHostName().toLowerCase(Locale.ROOT);
this.port = origin.getPort() < 0 ? ANY_PORT : origin.getPort();
this.realm = realm == null ? ANY_REALM : realm;
this.scheme = schemeName == null ? ANY_SCHEME : schemeName.toUpperCase(Locale.ROOT);
this.origin = origin;
}
/**
* Defines auth scope for a specific host of origin.
*
* @param origin host of origin
*
* @since 4.2
*/
public AuthScope(final HttpHost origin) {
this(origin, ANY_REALM, ANY_SCHEME);
}
/**
* Defines auth scope with the given {@code host}, {@code port} and {@code realm}.
*
* @param host authentication host. May be {@link #ANY_HOST} if applies
* to any host.
* @param port authentication port. May be {@link #ANY_PORT} if applies
* to any port of the host.
* @param realm authentication realm. May be {@link #ANY_REALM} if applies
* to any realm on the host.
*/
public AuthScope(final String host, final int port, final String realm) {
this(host, port, realm, ANY_SCHEME);
}
/**
* Defines auth scope with the given {@code host} and {@code port}.
*
* @param host authentication host. May be {@link #ANY_HOST} if applies
* to any host.
* @param port authentication port. May be {@link #ANY_PORT} if applies
* to any port of the host.
*/
public AuthScope(final String host, final int port) {
this(host, port, ANY_REALM, ANY_SCHEME);
}
/**
* Creates a copy of the given credentials scope.
*/
public AuthScope(final AuthScope authscope) {
super();
Args.notNull(authscope, "Scope");
this.host = authscope.getHost();
this.port = authscope.getPort();
this.realm = authscope.getRealm();
this.scheme = authscope.getScheme();
this.origin = authscope.getOrigin();
}
/**
* @return host of origin. If unknown returns @null,
*
* @since 4.4
*/
public HttpHost getOrigin() {
return this.origin;
}
/**
* @return the host
*/
public String getHost() {
return this.host;
}
/**
* @return the port
*/
public int getPort() {
return this.port;
}
/**
* @return the realm name
*/
public String getRealm() {
return this.realm;
}
/**
* @return the scheme type
*/
public String getScheme() {
return this.scheme;
}
/**
* Tests if the authentication scopes match.
*
* @return the match factor. Negative value signifies no match.
* Non-negative signifies a match. The greater the returned value
* the closer the match.
*/
public int match(final AuthScope that) {
int factor = 0;
if (LangUtils.equals(this.scheme, that.scheme)) {
factor += 1;
} else {
if (this.scheme != ANY_SCHEME && that.scheme != ANY_SCHEME) {
return -1;
}
}
if (LangUtils.equals(this.realm, that.realm)) {
factor += 2;
} else {
if (this.realm != ANY_REALM && that.realm != ANY_REALM) {
return -1;
}
}
if (this.port == that.port) {
factor += 4;
} else {
if (this.port != ANY_PORT && that.port != ANY_PORT) {
return -1;
}
}
if (LangUtils.equals(this.host, that.host)) {
factor += 8;
} else {
if (this.host != ANY_HOST && that.host != ANY_HOST) {
return -1;
}
}
return factor;
}
/**
* @see java.lang.Object#equals(Object)
*/
@Override
public boolean equals(final Object o) {
if (o == null) {
return false;
}
if (o == this) {
return true;
}
if (!(o instanceof AuthScope)) {
return super.equals(o);
}
final AuthScope that = (AuthScope) o;
return
LangUtils.equals(this.host, that.host)
&& this.port == that.port
&& LangUtils.equals(this.realm, that.realm)
&& LangUtils.equals(this.scheme, that.scheme);
}
/**
* @see java.lang.Object#toString()
*/
@Override
public String toString() {
final StringBuilder buffer = new StringBuilder();
if (this.scheme != null) {
buffer.append(this.scheme.toUpperCase(Locale.ROOT));
buffer.append(' ');
}
if (this.realm != null) {
buffer.append('\'');
buffer.append(this.realm);
buffer.append('\'');
} else {
buffer.append("");
}
if (this.host != null) {
buffer.append('@');
buffer.append(this.host);
if (this.port >= 0) {
buffer.append(':');
buffer.append(this.port);
}
}
return buffer.toString();
}
/**
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
int hash = LangUtils.HASH_SEED;
hash = LangUtils.hashCode(hash, this.host);
hash = LangUtils.hashCode(hash, this.port);
hash = LangUtils.hashCode(hash, this.realm);
hash = LangUtils.hashCode(hash, this.scheme);
return hash;
}
}