com.clouway.oauth2.client.Client Maven / Gradle / Ivy

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package com.clouway.oauth2.client;

import com.clouway.oauth2.ClientCredentials;
import com.google.common.base.MoreObjects;
import com.google.common.base.Optional;
import com.google.common.collect.Iterables;

import java.util.Objects;
import java.util.Set;

import static com.google.common.base.Strings.isNullOrEmpty;

/**
 * @author Ivan Stefanov 
 */
public class Client {
  public final String id;
  public final String secret;
  public final String description;
  public final Set redirectURLs;
  public final boolean publicOne;

  public Client(String id, String secret, String description, Set redirectURLs, boolean publicOne) {
    this.id = id;
    this.secret = secret;
    this.description = description;
    this.redirectURLs = redirectURLs;
    this.publicOne = publicOne;
  }

  public Optional determineRedirectUrl(String requestedUrl) {
    if (isNullOrEmpty(requestedUrl)) {
      return Optional.fromNullable(Iterables.getFirst(redirectURLs, "http://client.was.not.configured.properly.com"));
    }

    if (!redirectURLs.contains(requestedUrl)) {
      return Optional.absent();
    }

    return Optional.of(requestedUrl);
  }

  public boolean credentialsMatch(ClientCredentials credentials) {
    // Just compare the ID as public clients are not exposing secrets to
    // the apps (android, osx and etc).
    // Described in: https://tools.ietf.org/html/rfc6749#section-2.3
    if (publicOne) {
      return id.equalsIgnoreCase(credentials.clientId());
    }

    return secret.equalsIgnoreCase(credentials.clientSecret());
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) return true;
    if (o == null || getClass() != o.getClass()) return false;
    Client client = (Client) o;
    return Objects.equals(id, client.id) &&
            Objects.equals(secret, client.secret) &&
            Objects.equals(description, client.description) &&
            Objects.equals(redirectURLs, client.redirectURLs) &&
            Objects.equals(publicOne, client.publicOne);
  }

  @Override
  public int hashCode() {
    return Objects.hash(id, secret, description, redirectURLs);
  }

  @Override
  public String toString() {
    return MoreObjects.toStringHelper(this)
            .add("id", id)
            .add("secret", secret)
            .add("description", description)
            .add("redirectURLs", redirectURLs)
            .add("publicOne", publicOne)
            .toString();
  }
}