org.jssec.android.https.privatecertificate.PrivateCertificateHttpsGet.java Source code

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Here is the source code for org.jssec.android.https.privatecertificate.PrivateCertificateHttpsGet.java

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/*
 * Copyright (C) 2012-2014 Japan Smartphone Security Association
 *
 * 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 org.jssec.android.https.privatecertificate;

import java.security.KeyStore;

import javax.net.ssl.SSLException;

import org.apache.http.HttpException;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;

import android.content.Context;
import android.os.AsyncTask;

public abstract class PrivateCertificateHttpsGet extends AsyncTask<String, Void, Object> {

    private Context mContext;

    public PrivateCertificateHttpsGet(Context context) {
        mContext = context;
    }

    @Override
    protected Object doInBackground(String... params) {

        DefaultHttpClient client = new DefaultHttpClient();

        try {
            // ?1 ???
            // assets??????????KeyStoreclient?
            KeyStore ks = KeyStoreUtil.getEmptyKeyStore();
            KeyStoreUtil.loadX509Certificate(ks, mContext.getResources().getAssets().open("cacert.crt"));
            Scheme sch = new Scheme("https", new SSLSocketFactory(ks), 443);
            client.getConnectionManager().getSchemeRegistry().register(sch);

            // ?2 URI?https://??
            // ?3 ???????
            HttpGet request = new HttpGet(params[0]);
            HttpResponse response = client.execute(request);
            checkResponse(response);

            // ?4 ?????????
            return EntityUtils.toByteArray(response.getEntity());
        } catch (SSLException e) {
            // ?5 SSLException?????????
            // ??????
            return e;
        } catch (Exception e) {
            return e;
        } finally {
            // ?HttpClientshutdown?
            client.getConnectionManager().shutdown();
        }
    }

    private void checkResponse(HttpResponse response) throws HttpException {
        int statusCode = response.getStatusLine().getStatusCode();
        if (HttpStatus.SC_OK != statusCode) {
            throw new HttpException("HttpStatus: " + statusCode);
        }
    }
}