Java tutorial
/* * Copyright (C) 2012 - 2013 jonas.oreland@gmail.com * * This program 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. * * This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */ package export; import android.app.Activity; import android.content.ContentValues; import android.content.Context; import android.content.Intent; import android.database.sqlite.SQLiteDatabase; import android.net.Uri; import org.json.JSONException; import org.json.JSONObject; import export.format.FacebookCourse; import export.oauth2client.OAuth2Activity; import export.oauth2client.OAuth2Server; import util.Bitfield; import util.Constants.DB; import java.io.BufferedInputStream; import java.io.IOException; import java.io.InputStream; import java.net.HttpURLConnection; import java.net.URL; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Date; import java.util.Locale; public class Facebook extends FormCrawler implements Uploader, OAuth2Server { public static final String NAME = "Facebook"; /** * @todo register OAuth2Server */ public static String CLIENT_ID = null; public static String CLIENT_SECRET = null; public static final String AUTH_URL = "https://www.facebook.com/dialog/oauth"; public static final String TOKEN_URL = "https://graph.facebook.com/oauth/access_token"; public static final String REDIRECT_URI = "http://localhost:8080/runnerup/facebook"; private static final String COURSE_ENDPOINT = "https://graph.facebook.com/me/objects/fitness.course"; private static final String RUN_ENDPOINT = "https://graph.facebook.com/me/fitness.runs"; private static final String BIKE_ENDPOINT = "https://graph.facebook.com/me/fitness.bikes"; boolean uploadComment = false; boolean explicitly_shared = false; // Doesn't work now...don't know why... private long id = 0; private String access_token = null; private long token_now = 0; private long expire_time = 0; private boolean skipMapInPost = false; private Context context; SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSSZ", Locale.getDefault()); Facebook(Context context, UploadManager uploadManager) { this.context = context; if (CLIENT_ID == null || CLIENT_SECRET == null) { try { JSONObject tmp = new JSONObject(uploadManager.loadData(this)); CLIENT_ID = tmp.getString("CLIENT_ID"); CLIENT_SECRET = tmp.getString("CLIENT_SECRET"); } catch (Exception ex) { ex.printStackTrace(); } } } @Override public String getClientId() { return CLIENT_ID; } @Override public String getRedirectUri() { return REDIRECT_URI; } @Override public String getClientSecret() { return CLIENT_SECRET; } @Override public String getAuthUrl() { return AUTH_URL; } @Override public String getTokenUrl() { return TOKEN_URL; } @Override public String getAuthExtra() { return "scope=publish_actions"; } @Override public String getRevokeUrl() { return null; } @Override public long getId() { return id; } @Override public String getName() { return NAME; } @Override public void init(ContentValues config) { String authConfig = config.getAsString(DB.ACCOUNT.AUTH_CONFIG); if (authConfig != null) { try { JSONObject tmp = new JSONObject(authConfig); access_token = tmp.optString("access_token", null); token_now = tmp.optLong("token_now"); expire_time = tmp.optLong("expire_time"); } catch (Exception e) { e.printStackTrace(); } } id = config.getAsLong("_id"); if (config.containsKey(DB.ACCOUNT.FLAGS)) { long flags = config.getAsLong(DB.ACCOUNT.FLAGS); if (Bitfield.test(flags, DB.ACCOUNT.FLAG_SKIP_MAP)) { skipMapInPost = true; } } } @Override public String getAuthConfig() { JSONObject tmp = new JSONObject(); try { tmp.put("access_token", access_token); tmp.put("token_now", token_now); tmp.put("expire_time", expire_time); } catch (JSONException e) { e.printStackTrace(); } return tmp.toString(); } @Override public Intent getAuthIntent(Activity activity) { return OAuth2Activity.getIntent(activity, this); } @Override public Status getAuthResult(int resultCode, Intent data) { if (resultCode == Activity.RESULT_OK) { try { String authConfig = data.getStringExtra(DB.ACCOUNT.AUTH_CONFIG); Uri uri = Uri.parse("http://keso?" + authConfig); access_token = uri.getQueryParameter("access_token"); expire_time = Long.valueOf(uri.getQueryParameter("expires")); token_now = System.currentTimeMillis(); return Status.OK; } catch (Exception ex) { ex.printStackTrace(); } } return Status.ERROR; } @Override public boolean isConfigured() { if (access_token == null) return false; return true; } @Override public void reset() { access_token = null; expire_time = 0; token_now = 0; } public static final long ONE_DAY = 24 * 60 * 60; @Override public Status connect() { Status s = Status.NEED_AUTH; s.authMethod = AuthMethod.OAUTH2; if (access_token == null) return s; long endTime = (token_now + 1000 * expire_time) / 1000; long now = System.currentTimeMillis() / 1000; if (now + ONE_DAY > endTime) { System.err.println("now: " + now + ", endTime: " + endTime + ", now + ONE_DAY: " + (now + ONE_DAY) + " => needs refresh"); return s; } return Uploader.Status.OK; } @Override public Uploader.Status upload(SQLiteDatabase db, final long mID) { Status s; if ((s = connect()) != Status.OK) { return s; } FacebookCourse courseFactory = new FacebookCourse(context, db); try { JSONObject runObj = new JSONObject(); JSONObject course = courseFactory.export(mID, !skipMapInPost, runObj); JSONObject ref = createCourse(course); System.err.println("createdCourseObj: " + ref.toString()); try { JSONObject ret = createRun(ref, runObj); System.err.println("createdRunObj: " + ret.toString()); return Status.OK; } catch (Exception e) { System.err.println("fail1: " + e); s.ex = e; } deleteCourse(ref); } catch (Exception e) { System.err.println("fail2: " + e); s.ex = e; } s = Status.ERROR; if (s.ex != null) s.ex.printStackTrace(); return s; } private JSONObject createCourse(JSONObject course) throws JSONException, IOException, Exception { JSONObject obj = new JSONObject(); /* create a facebook course instance */ obj.put("fb:app_id", Facebook.CLIENT_ID); obj.put("og:type", "fitness.course"); obj.put("og:title", "a RunnerUp course"); obj.put("fitness", course); Part<StringWritable> themePart = new Part<StringWritable>("access_token", new StringWritable(FormCrawler.URLEncode(access_token))); Part<StringWritable> payloadPart = new Part<StringWritable>("object", new StringWritable(obj.toString())); Part<?> parts[] = { themePart, payloadPart }; HttpURLConnection conn = (HttpURLConnection) new URL(COURSE_ENDPOINT).openConnection(); conn.setDoOutput(true); conn.setDoInput(true); conn.setRequestMethod("POST"); postMulti(conn, parts); int code = conn.getResponseCode(); String msg = conn.getResponseMessage(); InputStream in = new BufferedInputStream(conn.getInputStream()); JSONObject ref = parse(in); conn.disconnect(); if (code != 200) { throw new Exception("got " + code + ": >" + msg + "< from createCourse"); } return ref; } private JSONObject createRun(JSONObject ref, JSONObject runObj) throws Exception { int sport = runObj.optInt("sport", DB.ACTIVITY.SPORT_OTHER); if (sport != DB.ACTIVITY.SPORT_RUNNING && sport != DB.ACTIVITY.SPORT_BIKING) { /* only running and biking is supported */ return null; } String id = ref.getString("id"); ArrayList<Part<?>> list = new ArrayList<Part<?>>(); list.add(new Part<StringWritable>("access_token", new StringWritable(FormCrawler.URLEncode(access_token)))); list.add(new Part<StringWritable>("course", new StringWritable(id))); if (explicitly_shared) list.add(new Part<StringWritable>("fb:explicitly_shared", new StringWritable("true"))); list.add(new Part<StringWritable>("start_time", new StringWritable(formatTime(runObj.getLong("startTime"))))); if (runObj.has("endTime")) { list.add(new Part<StringWritable>("end_time", new StringWritable(formatTime(runObj.getLong("endTime"))))); } if (uploadComment && runObj.has("comment")) { list.add(new Part<StringWritable>("message", new StringWritable(runObj.getString("comment")))); } Part<?> parts[] = new Part<?>[list.size()]; list.toArray(parts); URL url = new URL(sport == DB.ACTIVITY.SPORT_RUNNING ? RUN_ENDPOINT : BIKE_ENDPOINT); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setDoOutput(true); conn.setDoInput(true); conn.setRequestMethod("POST"); postMulti(conn, parts); int code = conn.getResponseCode(); String msg = conn.getResponseMessage(); InputStream in = new BufferedInputStream(conn.getInputStream()); JSONObject runRef = parse(in); conn.disconnect(); if (code != 200) { throw new Exception("Got code: " + code + ", msg: " + msg + " from " + url.toString()); } return runRef; } private String formatTime(long long1) { return dateFormat.format(new Date(1000 * long1)); } private void deleteCourse(JSONObject ref) { } @Override public boolean checkSupport(Uploader.Feature f) { switch (f) { case SKIP_MAP: case UPLOAD: return true; case FEED: case GET_WORKOUT: case WORKOUT_LIST: case LIVE: break; } return false; } @Override public void logout() { } };