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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.bitmaskclient;
import android.os.*;
import org.json.*;
import java.io.*;
import java.net.*;
import java.util.*;
/**
* @author Sean Leonard <meanderingcode@aetherislands.net>
* @author Parménides GV <parmegv@sdf.org>
*/
public final class Provider implements Parcelable {
private JSONObject definition; // Represents our Provider's provider.json
private URL main_url;
private String certificate_pin = "";
final public static String
API_URL = "api_uri",
API_VERSION = "api_version",
ALLOW_REGISTRATION = "allow_registration",
API_RETURN_SERIAL = "serial",
SERVICE = "service",
KEY = "provider",
CA_CERT = "ca_cert",
CA_CERT_URI = "ca_cert_uri",
CA_CERT_FINGERPRINT = "ca_cert_fingerprint",
NAME = "name",
DESCRIPTION = "description",
DOMAIN = "domain",
MAIN_URL = "main_url",
DOT_JSON_URL = "provider_json_url";
// 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"};
public Provider(URL main_url) {
this.main_url = main_url;
}
public Provider(URL main_url, String certificate_pin) {
this.main_url = main_url;
this.certificate_pin = certificate_pin;
}
public static final Parcelable.Creator<Provider> CREATOR
= new Parcelable.Creator<Provider>() {
public Provider createFromParcel(Parcel in) {
return new Provider(in);
}
public Provider[] newArray(int size) {
return new Provider[size];
}
};
private Provider(Parcel in) {
try {
main_url = new URL(in.readString());
String definition_string = in.readString();
if (!definition_string.isEmpty())
definition = new JSONObject((definition_string));
} catch (MalformedURLException | JSONException e) {
e.printStackTrace();
}
}
protected void define(JSONObject provider_json) {
definition = provider_json;
}
protected JSONObject definition() {
return definition;
}
protected String getDomain() {
return main_url.getHost();
}
protected URL mainUrl() {
return main_url;
}
protected String certificatePin() { return certificate_pin; }
protected String getName() {
// Should we pass the locale in, or query the system here?
String lang = Locale.getDefault().getLanguage();
String name = "";
try {
if (definition != null)
name = definition.getJSONObject(API_TERM_NAME).getString(lang);
else throw new JSONException("Provider not defined");
} catch (JSONException e) {
if (main_url != null) {
String host = main_url.getHost();
name = host.substring(0, host.indexOf("."));
}
}
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() {
try {
JSONArray services = definition.getJSONArray(API_TERM_SERVICES); // returns ["openvpn"]
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 (NullPointerException e) {
e.printStackTrace();
return false;
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
return false;
}
}
} catch (Exception e) {
// TODO: handle exception
}
return false;
}
public boolean allowsRegistration() {
try {
return definition.getJSONObject(Provider.SERVICE).getBoolean(Provider.ALLOW_REGISTRATION);
} catch (JSONException e) {
return false;
}
}
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(Parcel parcel, int i) {
parcel.writeString(main_url.toString());
if (definition != null)
parcel.writeString(definition.toString());
}
@Override
public boolean equals(Object o) {
if (o instanceof Provider) {
Provider p = (Provider) o;
return p.mainUrl().getHost().equals(mainUrl().getHost());
} else return false;
}
public JSONObject toJson() {
JSONObject json = new JSONObject();
try {
json.put(Provider.MAIN_URL, main_url);
} catch (JSONException e) {
e.printStackTrace();
}
return json;
}
@Override
public int hashCode() {
return mainUrl().getHost().hashCode();
}
}
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