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Code Issues Packages Projects Releases Wiki Activity

Added Mozilla ISPDB lookup

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M66B
2018-12-29 15:04:22 +00:00
parent f3cfe87454
commit 593e4c62af
4 changed files with 196 additions and 77 deletions
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154
app/src/main/java/eu/faircode/email/Provider.java
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@@ -22,8 +22,21 @@ package eu.faircode.email;
import android.content.Context;
import android.content.res.XmlResourceParser;
import org.xbill.DNS.Lookup;
import org.xbill.DNS.Record;
import org.xbill.DNS.SRVRecord;
import org.xbill.DNS.SimpleResolver;
import org.xbill.DNS.TextParseException;
import org.xbill.DNS.Type;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import org.xmlpull.v1.XmlPullParserFactory;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.UnknownHostException;
import java.text.Collator;
import java.util.ArrayList;
import java.util.Collections;
@@ -54,9 +67,9 @@ public class Provider {
static List<Provider> loadProfiles(Context context) {
List<Provider> result = null;
try {
Provider provider = null;
XmlResourceParser xml = context.getResources().getXml(R.xml.providers);
int eventType = xml.getEventType();
Provider provider = null;
while (eventType != XmlPullParser.END_DOCUMENT) {
if (eventType == XmlPullParser.START_TAG) {
if ("providers".equals(xml.getName()))
@@ -107,6 +120,145 @@ public class Provider {
return result;
}
static Provider fromDomain(Context context, String domain) throws IOException, XmlPullParserException {
try {
return Provider.fromDNS(context, domain);
} catch (TextParseException ex) {
Log.w(ex);
throw new UnknownHostException(domain);
} catch (UnknownHostException ex) {
Log.w(ex);
return Provider.fromConfig(context, domain);
}
}
private static Provider fromConfig(Context context, String domain) throws IOException, XmlPullParserException {
// https://wiki.mozilla.org/Thunderbird:Autoconfiguration:ConfigFileFormat
URL url = new URL("https://autoconfig.thunderbird.net/v1.1/" + domain);
Log.i("Fetching " + url);
HttpURLConnection request = (HttpURLConnection) url.openConnection();
request.setReadTimeout(20 * 1000);
request.setConnectTimeout(20 * 1000);
request.setRequestMethod("GET");
request.setDoInput(true);
request.connect();
// https://developer.android.com/reference/org/xmlpull/v1/XmlPullParser
XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
XmlPullParser xml = factory.newPullParser();
xml.setInput(new InputStreamReader(request.getInputStream()));
boolean imap = false;
boolean smtp = false;
Provider provider = new Provider(domain);
int eventType = xml.getEventType();
while (eventType != XmlPullParser.END_DOCUMENT) {
if (eventType == XmlPullParser.START_TAG) {
if ("incomingServer".equals(xml.getName()))
imap = "imap".equals(xml.getAttributeValue(null, "type"));
else if ("outgoingServer".equals(xml.getName()))
smtp = "smtp".equals(xml.getAttributeValue(null, "type"));
else if ("hostname".equals(xml.getName())) {
eventType = xml.next();
if (eventType == XmlPullParser.TEXT) {
String host = xml.getText();
Log.i("Host=" + host);
if (imap)
provider.imap_host = host;
else if (smtp)
provider.smtp_host = host;
}
continue;
} else if ("port".equals(xml.getName())) {
eventType = xml.next();
if (eventType == XmlPullParser.TEXT) {
String port = xml.getText();
Log.i("Port=" + port);
if (imap) {
provider.imap_port = Integer.parseInt(port);
provider.imap_starttls = (provider.imap_port == 143);
} else if (smtp) {
provider.smtp_port = Integer.parseInt(port);
provider.smtp_starttls = (provider.smtp_port == 587);
}
}
continue;
} else if ("socketType".equals(xml.getName())) {
eventType = xml.next();
if (eventType == XmlPullParser.TEXT) {
String socket = xml.getText();
Log.i("Socket=" + socket);
if ("SSL".equals(socket)) {
if (imap)
provider.imap_starttls = false;
else if (smtp)
provider.smtp_starttls = false;
} else if ("STARTTLS".equals(socket)) {
if (imap)
provider.imap_starttls = true;
else if (smtp)
provider.smtp_starttls = true;
}
}
continue;
}
} else if (eventType == XmlPullParser.END_TAG) {
if ("incomingServer".equals(xml.getName()))
imap = false;
else if ("outgoingServer".equals(xml.getName()))
smtp = false;
}
eventType = xml.next();
}
request.disconnect();
Log.i("imap=" + provider.imap_host + ":" + provider.imap_port + ":" + provider.imap_starttls);
Log.i("smtp=" + provider.smtp_host + ":" + provider.smtp_port + ":" + provider.smtp_starttls);
return provider;
}
private static Provider fromDNS(Context context, String domain) throws TextParseException, UnknownHostException {
// https://tools.ietf.org/html/rfc6186
SRVRecord imap = lookup("_imaps._tcp." + domain);
SRVRecord smtp = lookup("_submission._tcp." + domain);
Provider provider = new Provider(domain);
provider.imap_host = imap.getTarget().toString(true);
provider.imap_port = imap.getPort();
provider.imap_starttls = (provider.imap_port == 143);
provider.smtp_host = smtp.getTarget().toString(true);
provider.smtp_port = smtp.getPort();
provider.smtp_starttls = (provider.smtp_port == 587);
return provider;
}
private static SRVRecord lookup(String dns) throws TextParseException, UnknownHostException {
Lookup lookup = new Lookup(dns, Type.SRV);
// https://dns.watch/
SimpleResolver resolver = new SimpleResolver("84.200.69.80");
lookup.setResolver(resolver);
Log.i("Lookup dns=" + dns + " @" + resolver.getAddress());
Record[] records = lookup.run();
if (lookup.getResult() != Lookup.SUCCESSFUL)
if (lookup.getResult() == Lookup.HOST_NOT_FOUND)
throw new UnknownHostException(dns);
else
throw new IllegalArgumentException(lookup.getErrorString());
Log.i("Found dns=" + (records == null ? -1 : records.length));
return (records == null || records.length == 0 ? null : (SRVRecord) records[0]);
}
public int getAuthType() {
if ("com.google".equals(type))
return Helper.AUTH_TYPE_GMAIL;