it.evilsocket.dsploit.net.GitHubParser.java Source code

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Here is the source code for it.evilsocket.dsploit.net.GitHubParser.java

Source

/*
 * This file is part of the dSploit.
 *
 * Copyleft of Simone Margaritelli aka evilsocket <evilsocket@gmail.com>
 *             Massimo Dragano aka tux_mind <massimo.dragano@gmail.com>
 *
 * dSploit is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * dSploit is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with dSploit.  If not, see <http://www.gnu.org/licenses/>.
 */

package it.evilsocket.dsploit.net;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.security.InvalidKeyException;

import it.evilsocket.dsploit.core.Logger;

/**
 * This class parses JSON from api.github.com
 * @see <a href="https://developer.github.com/v3/repos/commits/">github documentation</a>
 */
public class GitHubParser {
    private static final String BRANCHES_URL = "https://api.github.com/repos/%s/%s/branches";

    public String mUsername;
    public String mProject;

    private JSONArray mBranches = null;
    private JSONObject mBranch = null;
    private JSONObject mLastCommit = null;

    public GitHubParser(String username, String project) {
        mUsername = username;
        mProject = project;
    }

    private void fetchBranches() throws IOException, JSONException {
        HttpURLConnection connection;
        HttpURLConnection.setFollowRedirects(true);
        URL url = new URL(String.format(BRANCHES_URL, mUsername, mProject));
        connection = (HttpURLConnection) url.openConnection();
        connection.connect();
        int ret = connection.getResponseCode();

        if (ret != 200)
            throw new IOException(String.format("unable to retrieve branches from github: '%s' => %d",
                    String.format(BRANCHES_URL, mUsername, mProject), ret));

        StringBuilder sb = new StringBuilder();
        BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
        String line;

        while ((line = reader.readLine()) != null)
            sb.append(line);

        mBranches = new JSONArray(sb.toString());
    }

    public String[] getBranches() throws JSONException, IOException {
        if (mBranches == null)
            fetchBranches();

        String[] result = new String[mBranches.length()];

        for (int i = 0; i < mBranches.length(); i++) {
            result[i] = (mBranches.getJSONObject(i).getString("name"));
        }

        return result;
    }

    public void setBranch(String branch) throws InvalidKeyException, JSONException, IOException {
        if (mBranches == null)
            fetchBranches();

        for (int i = 0; i < mBranches.length(); i++) {
            if ((mBranches.getJSONObject(i)).getString("name").equals(branch)) {
                mBranch = (mBranches.getJSONObject(i));
                mLastCommit = mBranch.getJSONObject("commit");
                return;
            }
        }
        throw new InvalidKeyException("branch '" + branch + "' not found");
    }

    public String getBranch() throws JSONException {
        if (mBranch == null) {
            Logger.debug("no branch has been selected yet");
            return null;
        }
        return mBranch.getString("name");
    }

    public String getLastCommitSha() throws JSONException, IllegalStateException {
        if (mLastCommit == null)
            throw new IllegalStateException("no branch has been selected yet");
        return mLastCommit.getString("sha");
    }

    public void reset() {
        mLastCommit = null;
        mBranch = null;
        mBranches = null;
    }

}