Android Open Source - wototoplayer Ok Authenticator

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License

The source code is released under:

Copyright (c) 2015, Chris Greenhalgh All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met...

Java Source Code

/*
 * Copyright (C) 2013 Square, Inc.//  w  ww.  j  a v a 2s  . com
 *
 * Licensed 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.
 */
package com.squareup.okhttp;

import com.squareup.okhttp.internal.Base64;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.Proxy;
import java.net.URL;
import java.util.List;

/**
 * Responds to authentication challenges from the remote web or proxy server by
 * returning credentials.
 */
public interface OkAuthenticator {
  /**
   * Returns a credential that satisfies the authentication challenge made by
   * {@code url}. Returns null if the challenge cannot be satisfied. This method
   * is called in response to an HTTP 401 unauthorized status code sent by the
   * origin server.
   *
   * @param challenges parsed "WWW-Authenticate" challenge headers from the HTTP
   *     response.
   */
  Credential authenticate(Proxy proxy, URL url, List<Challenge> challenges) throws IOException;

  /**
   * Returns a credential that satisfies the authentication challenge made by
   * {@code proxy}. Returns null if the challenge cannot be satisfied. This
   * method is called in response to an HTTP 401 unauthorized status code sent
   * by the proxy server.
   *
   * @param challenges parsed "Proxy-Authenticate" challenge headers from the
   *     HTTP response.
   */
  Credential authenticateProxy(Proxy proxy, URL url, List<Challenge> challenges) throws IOException;

  /** An RFC 2617 challenge. */
  public final class Challenge {
    private final String scheme;
    private final String realm;

    public Challenge(String scheme, String realm) {
      this.scheme = scheme;
      this.realm = realm;
    }

    /** Returns the authentication scheme, like {@code Basic}. */
    public String getScheme() {
      return scheme;
    }

    /** Returns the protection space. */
    public String getRealm() {
      return realm;
    }

    @Override public boolean equals(Object o) {
      return o instanceof Challenge
          && ((Challenge) o).scheme.equals(scheme)
          && ((Challenge) o).realm.equals(realm);
    }

    @Override public int hashCode() {
      return scheme.hashCode() + 31 * realm.hashCode();
    }

    @Override public String toString() {
      return scheme + " realm=\"" + realm + "\"";
    }
  }

  /** An RFC 2617 credential. */
  public final class Credential {
    private final String headerValue;

    private Credential(String headerValue) {
      this.headerValue = headerValue;
    }

    /** Returns an auth credential for the Basic scheme. */
    public static Credential basic(String userName, String password) {
      try {
        String usernameAndPassword = userName + ":" + password;
        byte[] bytes = usernameAndPassword.getBytes("ISO-8859-1");
        String encoded = Base64.encode(bytes);
        return new Credential("Basic " + encoded);
      } catch (UnsupportedEncodingException e) {
        throw new AssertionError();
      }
    }

    public String getHeaderValue() {
      return headerValue;
    }

    @Override public boolean equals(Object o) {
      return o instanceof Credential && ((Credential) o).headerValue.equals(headerValue);
    }

    @Override public int hashCode() {
      return headerValue.hashCode();
    }

    @Override public String toString() {
      return headerValue;
    }
  }
}

Java Source Code List

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