mirror of https://github.com/M66B/FairEmail.git
106 lines
3.9 KiB
Java
106 lines
3.9 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 androidx.core.net.MailTo;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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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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private static Map<InetAddress, Organization> addressOrganization = new HashMap<>();
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private final static int FETCH_TIMEOUT = 15 * 1000; // milliseconds
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static Pair<InetAddress, Organization> getOrganization(@NonNull Uri uri, Context context) throws IOException, ParseException {
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if ("mailto".equalsIgnoreCase(uri.getScheme())) {
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MailTo email = MailTo.parse(uri.toString());
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String domain = UriHelper.getEmailDomain(email.getTo());
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if (domain == null)
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throw new UnknownHostException();
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//InetAddress address = DnsHelper.lookupMx(context, domain);
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//if (address == null)
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// throw new UnknownHostException();
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InetAddress address = InetAddress.getByName(domain);
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return new Pair<>(address, getOrganization(address, context));
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} else {
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String host = uri.getHost();
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if (host == null)
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throw new UnknownHostException();
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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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}
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static Organization getOrganization(InetAddress address, Context context) throws IOException {
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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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URL url = new URL("https://ipinfo.io/" + address.getHostAddress() + "/org");
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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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Organization organization = new Organization();
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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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organization.name = response.trim();
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if ("".equals(organization.name) || "undefined".equals(organization.name))
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organization.name = null;
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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, organization);
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}
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return organization;
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}
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static class Organization {
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String name;
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}
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}
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