mirror of https://github.com/M66B/FairEmail.git
122 lines
4.0 KiB
Java
122 lines
4.0 KiB
Java
package eu.faircode.email;
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/*
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This file is part of FairEmail.
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FairEmail is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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FairEmail is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with FairEmail. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2018-2022 by Marcel Bokhorst (M66B)
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*/
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import android.content.Context;
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import android.net.ParseException;
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import android.net.Uri;
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import android.util.Pair;
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import androidx.annotation.NonNull;
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import org.json.JSONException;
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import org.json.JSONObject;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.net.IDN;
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import java.net.InetAddress;
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import java.net.URL;
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import java.net.UnknownHostException;
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import java.util.HashMap;
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import java.util.Map;
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import javax.net.ssl.HttpsURLConnection;
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public class IPInfo {
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public String org;
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public String city;
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public String region;
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public String country;
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private static final Map<InetAddress, IPInfo> addressOrganization = new HashMap<>();
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private final static int FETCH_TIMEOUT = 15 * 1000; // milliseconds
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static Pair<InetAddress, IPInfo> getOrganization(@NonNull Uri uri, Context context) throws IOException, ParseException, JSONException {
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String host = UriHelper.getHost(uri);
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if (host == null)
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throw new UnknownHostException();
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try {
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host = IDN.toASCII(host, IDN.ALLOW_UNASSIGNED);
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} catch (Throwable ex) {
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Log.i(ex);
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}
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InetAddress address = InetAddress.getByName(host);
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return new Pair<>(address, getOrganization(address, context));
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}
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static IPInfo getOrganization(InetAddress address, Context context) throws IOException, JSONException {
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synchronized (addressOrganization) {
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if (addressOrganization.containsKey(address))
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return addressOrganization.get(address);
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}
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// https://ipinfo.io/developers
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//{
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// "ip": "8.8.8.8",
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// "hostname": "dns.google",
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// "anycast": true,
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// "city": "Mountain View",
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// "region": "California",
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// "country": "US",
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// "loc": "37.4056,-122.0775",
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// "org": "AS15169 Google LLC",
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// "postal": "94043",
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// "timezone": "America/Los_Angeles",
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// "readme": "https://ipinfo.io/missingauth"
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//}
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URL url = new URL("https://ipinfo.io/" + address.getHostAddress() + "/json");
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Log.i("GET " + url);
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HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();
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connection.setRequestMethod("GET");
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connection.setReadTimeout(FETCH_TIMEOUT);
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connection.setConnectTimeout(FETCH_TIMEOUT);
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ConnectionHelper.setUserAgent(context, connection);
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connection.connect();
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IPInfo info = new IPInfo();
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try {
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int status = connection.getResponseCode();
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if (status != HttpsURLConnection.HTTP_OK)
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throw new FileNotFoundException("Error " + status + ": " + connection.getResponseMessage());
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String response = Helper.readStream(connection.getInputStream());
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JSONObject jroot = new JSONObject(response);
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info.org = jroot.optString("org");
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info.city = jroot.optString("city");
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info.region = jroot.optString("region");
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info.country = jroot.optString("country");
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} finally {
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connection.disconnect();
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}
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synchronized (addressOrganization) {
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addressOrganization.put(address, info);
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}
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return info;
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}
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}
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