Android Open Source - haveibeenpwned Have I Been Pwned A P I

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License

The source code is released under:

Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCT...

Java Source Code

/*
* Copyright (C) 2014 Bj?rn Lund?n// www . j  a  v a2  s  .  c  o  m
*
* 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 se.blunden.haveibeenpwned;

import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.ArrayList;

import javax.net.ssl.HttpsURLConnection;

import android.text.TextUtils;
import android.util.JsonReader;
import android.util.Log;

public class HaveIBeenPwnedAPI {
  private static final String TAG = "HaveIBeenPwnedAPI";
  
  public HaveIBeenPwnedAPI() {
    
  }
  
  public ArrayList<Breach> query(String account) throws URISyntaxException, IOException {
    String apiUrl = "https://haveibeenpwned.com/api/v2/breachedaccount/";
    
    // No need to generate api requests for empty searches
    if(account.equals("")) {
      return null;
    }
    URL requestURL = new URL(apiUrl + account);
    
    // Split and reassemble the URL to properly encode the relevant parts 
    URI uri = new URI(requestURL.getProtocol(), requestURL.getHost(),
        requestURL.getPath(), requestURL.getRef());
    requestURL = uri.toURL();
    final HttpsURLConnection connection = (HttpsURLConnection) requestURL.openConnection();
    connection.setRequestMethod("GET");
    connection.setRequestProperty("User-Agent","se.blunden.HaveIBeenPwned");
    connection.connect();
    if(connection.getResponseCode() == HttpURLConnection.HTTP_OK) {
      return readJsonStream(connection.getInputStream(), account);
    } else {
      Log.d(TAG, "Response: " + connection.getResponseCode() + connection.getResponseMessage());
      return null;
    }
  }
  
  private ArrayList<Breach> readJsonStream(InputStream in, String compromisedAccount) throws IOException {
    JsonReader reader = new JsonReader(new InputStreamReader(in, "UTF-8"));
      try {
        return readResponseArray(reader, compromisedAccount);
      } finally {
        reader.close();
      }
  }
  
  private ArrayList<Breach> readResponseArray(JsonReader reader, String compromisedAccount) throws IOException {
    ArrayList<Breach> breaches = new ArrayList<Breach>();
    
    reader.beginArray();
    while(reader.hasNext()) {
      breaches.add(readBreach(reader, compromisedAccount));
    }
    reader.endArray();
    return breaches;
  }
  
  private Breach readBreach(JsonReader reader, String compromisedAccount) throws IOException {
    String name = null;
    String title = null;
    String description = null;
    String account = compromisedAccount;
    
    reader.beginObject();
    while(reader.hasNext()) {
      String tokenName = reader.nextName();
      if(tokenName.equals("Name")) {
        name = reader.nextString();
      } else if(tokenName.equals("Title")) {
        title = reader.nextString();
      } else if(tokenName.equals("Description")) {
        description = reader.nextString();
        // Needed because the API currently returns improperly formatted/escaped data breaking URL parsing
        String[] invalid = {"? ", " ?", "?","?"};
        String[] correct = {"\"", "\"", "\"", "\""};
        description = TextUtils.replace(description, invalid, correct).toString();
      } else {
        reader.skipValue();
      }      
    }
    reader.endObject();
    return new Breach(name, title, description, account);
  }
}

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