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authorSean Leonard <meanderingcode@aetherislands.net>2013-07-26 15:30:24 -0600
committerSean Leonard <meanderingcode@aetherislands.net>2013-07-26 15:30:24 -0600
commitf49967fb3f24bf0a22d09b5823bd174a45e758f7 (patch)
tree7fefe9ec3aeff998c5dd99861428717a2c5f3a41 /src/se/leap/leapclient/Provider.java
parent8dbb4517b07c42c3b37b0764d63973b5b1ed5ee6 (diff)
parentb69c9a87f60e649221c8f83d58bbd57b35a64aca (diff)
Merge branch 'release-0.2.0'0.2.0
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+/**
+ * Copyright (c) 2013 LEAP Encryption Access Project and contributers
+ *
+ * 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 se.leap.leapclient;
+
+import java.io.Serializable;
+import java.util.Arrays;
+import java.util.Locale;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import android.content.Context;
+import android.app.Activity;
+import android.content.SharedPreferences;
+
+/**
+ * @author Sean Leonard <meanderingcode@aetherislands.net>
+ *
+ */
+public final class Provider implements Serializable {
+
+ private static final long serialVersionUID = 6003835972151761353L;
+
+ private static Provider instance = null;
+
+ // We'll access our preferences here
+ private static SharedPreferences preferences = null;
+ // Represents our Provider's provider.json
+ private static JSONObject definition = null;
+
+
+ // Array of what API versions we understand
+ protected static final String[] API_VERSIONS = {"1"}; // I assume we might encounter arbitrary version "numbers"
+ // Some API pieces we want to know about
+ private static final String API_TERM_SERVICES = "services";
+ private static final String API_TERM_NAME = "name";
+ private static final String API_TERM_DOMAIN = "domain";
+ private static final String API_TERM_DEFAULT_LANGUAGE = "default_language";
+ protected static final String[] API_EIP_TYPES = {"openvpn"};
+
+ private static final String PREFS_EIP_NAME = null;
+
+
+
+ // What, no individual fields?! We're going to gamble on org.json.JSONObject and JSONArray
+ // Supporting multiple API versions will probably break this paradigm,
+ // Forcing me to write a real constructor and rewrite getters/setters
+ // Also will refactor if i'm instantiating the same local variables all the time
+
+ /**
+ *
+ */
+ private Provider() {}
+
+ protected static Provider getInstance(){
+ if(instance==null){
+ instance = new Provider();
+ }
+ return instance;
+ }
+
+ protected void init(Activity activity) {
+
+ // Load our preferences from SharedPreferences
+ // If there's nothing there, we will end up returning a rather empty object
+ // to whoever called getInstance() and they can run the First Run Wizard
+ //preferences = context.getgetPreferences(0); // 0 == MODE_PRIVATE, but we don't extend Android's classes...
+
+ // Load SharedPreferences
+ preferences = activity.getSharedPreferences(ConfigHelper.PREFERENCES_KEY,Context.MODE_PRIVATE);
+ // Inflate our provider.json data
+ try {
+ definition = new JSONObject( preferences.getString("provider", "") );
+ } catch (JSONException e) {
+ // TODO: handle exception
+
+ // FIXME!! We want "real" data!!
+ }
+ }
+
+ protected String getDomain(){
+ String domain = "Null";
+ try {
+ domain = definition.getString(API_TERM_DOMAIN);
+ } catch (JSONException e) {
+ domain = "Null";
+ e.printStackTrace();
+ }
+ return domain;
+ }
+
+ protected String getName(){
+ // Should we pass the locale in, or query the system here?
+ String lang = Locale.getDefault().getLanguage();
+ String name = "Null"; // Should it actually /be/ null, for error conditions?
+ try {
+ name = definition.getJSONObject(API_TERM_NAME).getString(lang);
+ } catch (JSONException e) {
+ // TODO: Nesting try/catch blocks? Crazy
+ // Maybe you should actually handle exception?
+ try {
+ name = definition.getJSONObject(API_TERM_NAME).getString( definition.getString(API_TERM_DEFAULT_LANGUAGE) );
+ } catch (JSONException e2) {
+ // TODO: Will you handle the exception already?
+ }
+ }
+
+ return name;
+ }
+
+ protected String getDescription(){
+ String lang = Locale.getDefault().getLanguage();
+ String desc = null;
+ try {
+ desc = definition.getJSONObject("description").getString(lang);
+ } catch (JSONException e) {
+ // TODO: handle exception!!
+ try {
+ desc = definition.getJSONObject("description").getString( definition.getString("default_language") );
+ } catch (JSONException e2) {
+ // TODO: i can't believe you're doing it again!
+ }
+ }
+
+ return desc;
+ }
+
+ protected boolean hasEIP() {
+ JSONArray services = null;
+ try {
+ services = definition.getJSONArray(API_TERM_SERVICES); // returns ["openvpn"]
+ } catch (Exception e) {
+ // TODO: handle exception
+ }
+ for (int i=0;i<API_EIP_TYPES.length+1;i++){
+ try {
+ // Walk the EIP types array looking for matches in provider's service definitions
+ if ( Arrays.asList(API_EIP_TYPES).contains( services.getString(i) ) )
+ return true;
+ } catch (JSONException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ }
+ return false;
+ }
+
+ protected String getEIPType() {
+ // FIXME!!!!! We won't always be providing /only/ OpenVPN, will we?
+ // This will have to hook into some saved choice of EIP transport
+ if ( instance.hasEIP() )
+ return "OpenVPN";
+ else
+ return null;
+ }
+
+ protected JSONObject getEIP() {
+ // FIXME!!!!! We won't always be providing /only/ OpenVPN, will we?
+ // This will have to hook into some saved choice of EIP transport, cluster, gateway
+ // with possible "choose at random" preference
+ if ( instance.hasEIP() ){
+ // TODO Might need an EIP class, but we've only got OpenVPN type right now,
+ // and only one gateway for our only provider...
+ // TODO We'll try to load from preferences, have to call ProviderAPI if we've got nothin...
+ JSONObject eipObject = null;
+ try {
+ eipObject = new JSONObject( preferences.getString(PREFS_EIP_NAME, "") );
+ } catch (JSONException e) {
+ // TODO ConfigHelper.rescueJSON()
+ // Still nothing?
+ // TODO ProviderAPI.getEIP()
+ e.printStackTrace();
+ }
+
+ return eipObject;
+ } else
+ return null;
+ }
+}