org.solovyev.android.messenger.realms.vk.auth.VkOauthHttpTransaction.java Source code

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Here is the source code for org.solovyev.android.messenger.realms.vk.auth.VkOauthHttpTransaction.java

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/*
 * Copyright 2013 serso aka se.solovyev
 *
 * 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.solovyev.android.messenger.realms.vk.auth;

import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import org.solovyev.android.http.AbstractHttpTransaction;
import org.solovyev.android.http.HttpMethod;
import org.solovyev.android.http.HttpRuntimeIoException;
import org.solovyev.android.messenger.http.IllegalJsonException;
import org.solovyev.android.messenger.realms.vk.http.VkResponseErrorException;

import javax.annotation.Nonnull;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

public class VkOauthHttpTransaction extends AbstractHttpTransaction<JsonAuthResult> {

    @Nonnull
    private final String login;

    @Nonnull
    private final String password;

    public VkOauthHttpTransaction(@Nonnull String login, @Nonnull String password) {
        super("https://api.vk.com/oauth/token", HttpMethod.GET);
        this.login = login;
        this.password = password;
    }

    @Override
    public JsonAuthResult getResponse(@Nonnull HttpResponse response) {
        boolean ok = response.getStatusLine().getStatusCode() == HttpStatus.SC_OK;
        if (!ok) {
            throw new HttpRuntimeIoException(new IOException());
        }

        final String json;
        try {
            json = EntityUtils.toString(response.getEntity());
        } catch (IOException e) {
            throw new HttpRuntimeIoException(e);
        }

        try {
            return JsonAuthResult.fromJson(json);
        } catch (IllegalJsonException e) {
            throw VkResponseErrorException.newInstance(json, this);
        }
    }

    @Nonnull
    @Override
    public List<NameValuePair> getRequestParameters() {
        final List<NameValuePair> values = new ArrayList<NameValuePair>();
        values.add(new BasicNameValuePair("grant_type", "password"));
        values.add(new BasicNameValuePair("client_id", "2965041"));
        values.add(new BasicNameValuePair("client_secret", "fXK28HAI0nVRK3hNZiGs"));
        //values.add(new BasicNameValuePair("client_id", "2970921"));
        //values.add(new BasicNameValuePair("client_secret", "Scm7M1vxOdDjpeVj81jw"));
        values.add(new BasicNameValuePair("username", login));
        values.add(new BasicNameValuePair("password", password));
        values.add(new BasicNameValuePair("scope",
                "friends,messages,notifications,offline,photos,audio,video,docs,notify,notes,status,groups,wall"));
        return values;
    }
}