| /* |
| * ==================================================================== |
| * 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 org.apache.hc.client5.http.impl.auth; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.ObjectInputStream; |
| import java.io.ObjectOutputStream; |
| import java.io.Serializable; |
| import java.util.Locale; |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| import org.apache.hc.client5.http.SchemePortResolver; |
| import org.apache.hc.client5.http.auth.AuthCache; |
| import org.apache.hc.client5.http.auth.AuthScheme; |
| import org.apache.hc.client5.http.impl.DefaultSchemePortResolver; |
| import org.apache.hc.core5.annotation.Contract; |
| import org.apache.hc.core5.annotation.ThreadingBehavior; |
| import org.apache.hc.core5.http.HttpHost; |
| import org.apache.hc.core5.net.NamedEndpoint; |
| import org.apache.hc.core5.util.Args; |
| import org.apache.hc.core5.util.LangUtils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Default implementation of {@link AuthCache}. This implements |
| * expects {@link org.apache.hc.client5.http.auth.AuthScheme} to be {@link java.io.Serializable} |
| * in order to be cacheable. |
| * <p> |
| * Instances of this class are thread safe as of version 4.4. |
| * </p> |
| * |
| * @since 4.1 |
| */ |
| @Contract(threading = ThreadingBehavior.SAFE_CONDITIONAL) |
| public class BasicAuthCache implements AuthCache { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(BasicAuthCache.class); |
| |
| static class Key { |
| |
| final String scheme; |
| final String host; |
| final int port; |
| final String pathPrefix; |
| |
| Key(final String scheme, final String host, final int port, final String pathPrefix) { |
| Args.notBlank(scheme, "Scheme"); |
| Args.notBlank(host, "Scheme"); |
| this.scheme = scheme.toLowerCase(Locale.ROOT); |
| this.host = host.toLowerCase(Locale.ROOT); |
| this.port = port; |
| this.pathPrefix = pathPrefix; |
| } |
| |
| @Override |
| public boolean equals(final Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj instanceof Key) { |
| final Key that = (Key) obj; |
| return this.scheme.equals(that.scheme) && |
| this.host.equals(that.host) && |
| this.port == that.port && |
| LangUtils.equals(this.pathPrefix, that.pathPrefix); |
| } |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| int hash = LangUtils.HASH_SEED; |
| hash = LangUtils.hashCode(hash, this.scheme); |
| hash = LangUtils.hashCode(hash, this.host); |
| hash = LangUtils.hashCode(hash, this.port); |
| hash = LangUtils.hashCode(hash, this.pathPrefix); |
| return hash; |
| } |
| |
| @Override |
| public String toString() { |
| final StringBuilder buf = new StringBuilder(); |
| buf.append(scheme).append("://").append(host); |
| if (port >= 0) { |
| buf.append(":").append(port); |
| } |
| if (pathPrefix != null) { |
| if (!pathPrefix.startsWith("/")) { |
| buf.append("/"); |
| } |
| buf.append(pathPrefix); |
| } |
| return buf.toString(); |
| } |
| } |
| |
| private final Map<Key, byte[]> map; |
| private final SchemePortResolver schemePortResolver; |
| |
| /** |
| * Default constructor. |
| * |
| * @since 4.3 |
| */ |
| public BasicAuthCache(final SchemePortResolver schemePortResolver) { |
| super(); |
| this.map = new ConcurrentHashMap<>(); |
| this.schemePortResolver = schemePortResolver != null ? schemePortResolver : DefaultSchemePortResolver.INSTANCE; |
| } |
| |
| public BasicAuthCache() { |
| this(null); |
| } |
| |
| private Key key(final String scheme, final NamedEndpoint authority, final String pathPrefix) { |
| return new Key(scheme, authority.getHostName(), schemePortResolver.resolve(scheme, authority), pathPrefix); |
| } |
| |
| @Override |
| public void put(final HttpHost host, final AuthScheme authScheme) { |
| put(host, null, authScheme); |
| } |
| |
| @Override |
| public AuthScheme get(final HttpHost host) { |
| return get(host, null); |
| } |
| |
| @Override |
| public void remove(final HttpHost host) { |
| remove(host, null); |
| } |
| |
| @Override |
| public void put(final HttpHost host, final String pathPrefix, final AuthScheme authScheme) { |
| Args.notNull(host, "HTTP host"); |
| if (authScheme == null) { |
| return; |
| } |
| if (authScheme instanceof Serializable) { |
| try { |
| final ByteArrayOutputStream buf = new ByteArrayOutputStream(); |
| try (final ObjectOutputStream out = new ObjectOutputStream(buf)) { |
| out.writeObject(authScheme); |
| } |
| this.map.put(key(host.getSchemeName(), host, pathPrefix), buf.toByteArray()); |
| } catch (final IOException ex) { |
| if (LOG.isWarnEnabled()) { |
| LOG.warn("Unexpected I/O error while serializing auth scheme", ex); |
| } |
| } |
| } else { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("Auth scheme {} is not serializable", authScheme.getClass()); |
| } |
| } |
| } |
| |
| @Override |
| public AuthScheme get(final HttpHost host, final String pathPrefix) { |
| Args.notNull(host, "HTTP host"); |
| final byte[] bytes = this.map.get(key(host.getSchemeName(), host, pathPrefix)); |
| if (bytes != null) { |
| try { |
| final ByteArrayInputStream buf = new ByteArrayInputStream(bytes); |
| try (final ObjectInputStream in = new ObjectInputStream(buf)) { |
| return (AuthScheme) in.readObject(); |
| } |
| } catch (final IOException ex) { |
| if (LOG.isWarnEnabled()) { |
| LOG.warn("Unexpected I/O error while de-serializing auth scheme", ex); |
| } |
| } catch (final ClassNotFoundException ex) { |
| if (LOG.isWarnEnabled()) { |
| LOG.warn("Unexpected error while de-serializing auth scheme", ex); |
| } |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public void remove(final HttpHost host, final String pathPrefix) { |
| Args.notNull(host, "HTTP host"); |
| this.map.remove(key(host.getSchemeName(), host, pathPrefix)); |
| } |
| |
| @Override |
| public void clear() { |
| this.map.clear(); |
| } |
| |
| @Override |
| public String toString() { |
| return this.map.toString(); |
| } |
| |
| } |