msb-public
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FairEmail
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pull/204/head
M66B 3 years ago
parent e866bfaa25
commit 366bf4e463
1 changed files with 73 additions and 64 deletions
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121
app/src/main/java/eu/faircode/email/EmailProvider.java
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@ -183,10 +183,12 @@ public class EmailProvider implements Parcelable {
else if ("email".equals(user))
provider.user = UserType.EMAIL;
} else if ("imap".equals(name)) {
provider.imap.score = 100;
provider.imap.host = xml.getAttributeValue(null, "host");
provider.imap.port = xml.getAttributeIntValue(null, "port", 0);
provider.imap.starttls = xml.getAttributeBooleanValue(null, "starttls", false);
} else if ("smtp".equals(name)) {
provider.smtp.score = 100;
provider.smtp.host = xml.getAttributeValue(null, "host");
provider.smtp.port = xml.getAttributeIntValue(null, "port", 0);
provider.smtp.starttls = xml.getAttributeBooleanValue(null, "starttls", false);
@ -265,15 +267,12 @@ public class EmailProvider implements Parcelable {
for (String d : provider.domain)
if (domain.toLowerCase(Locale.ROOT).matches(d)) {
EntityLog.log(context, "Provider from domain=" + domain + " (" + d + ")");
if (!BuildConfig.DEBUG)
return Arrays.asList(provider);
}
List<EmailProvider> result = new ArrayList<>();
for (EmailProvider provider : _fromDomain(context, domain.toLowerCase(Locale.ROOT), email, discover))
if (result.contains(provider))
Log.i("Duplicate " + provider);
else
result.add(provider);
List<EmailProvider> candidates =
new ArrayList<>(_fromDomain(context, domain.toLowerCase(Locale.ROOT), email, discover));
try {
DnsHelper.DnsRecord[] records = DnsHelper.lookup(context, domain, "mx");
@ -285,10 +284,7 @@ public class EmailProvider implements Parcelable {
for (String mx : provider.mx)
if (record.name.toLowerCase(Locale.ROOT).matches(mx)) {
EntityLog.log(context, "Provider from mx=" + record.name + " domain=" + domain);
if (result.contains(provider))
Log.i("Duplicate " + provider);
else
result.add(provider);
candidates.add(provider);
break;
}
@ -296,82 +292,81 @@ public class EmailProvider implements Parcelable {
String pdomain = UriHelper.getParentDomain(context, provider.imap.host);
if (mxparent.equalsIgnoreCase(pdomain)) {
EntityLog.log(context, "Provider from mx=" + record.name + " host=" + provider.imap.host);
if (result.contains(provider))
Log.i("Duplicate " + provider);
else
result.add(provider);
candidates.add(provider);
break;
}
}
for (DnsHelper.DnsRecord record : records) {
String target = record.name;
while (result.size() == 0 && target != null && target.indexOf('.') > 0) {
try {
for (EmailProvider provider : _fromDomain(context, target.toLowerCase(Locale.ROOT), email, discover))
if (result.contains(provider))
Log.i("Duplicate " + provider);
else
result.add(provider);
} catch (Throwable ex) {
Log.w(ex);
while (candidates.size() == 0 && target != null && target.indexOf('.') > 0) {
candidates.addAll(_fromDomain(context, target.toLowerCase(Locale.ROOT), email, discover));
int dot = target.indexOf('.');
target = target.substring(dot + 1);
}
}
}
} catch (Throwable ex) {
Log.w(ex);
}
if (result.size() == 0)
if (candidates.size() == 0)
throw new UnknownHostException(context.getString(R.string.title_setup_no_settings, domain));
for (EmailProvider autoconfig : result)
for (EmailProvider provider : providers) {
for (EmailProvider candidate : candidates) {
// Always prefer built-in profiles
// - ISPDB is not always correct
// - documentation links
if (provider.imap.host.equals(autoconfig.imap.host) ||
provider.smtp.host.equals(autoconfig.smtp.host)) {
for (EmailProvider provider : providers)
if (provider.imap.host.equals(candidate.imap.host) ||
provider.smtp.host.equals(candidate.smtp.host)) {
EntityLog.log(context, "Replacing auto config by profile=" + provider.name);
if (!BuildConfig.DEBUG)
return Arrays.asList(provider);
}
// https://help.dreamhost.com/hc/en-us/articles/214918038-Email-client-configuration-overview
if (candidate.imap.host != null &&
candidate.imap.host.endsWith(".dreamhost.com"))
candidate.imap.host = "imap.dreamhost.com";
if (candidate.smtp.host != null &&
candidate.smtp.host.endsWith(".dreamhost.com"))
candidate.smtp.host = "smtp.dreamhost.com";
// https://docs.aws.amazon.com/workmail/latest/userguide/using_IMAP_client.html
if (candidate.imap.host != null &&
candidate.imap.host.endsWith(".awsapps.com"))
candidate.partial = false;
}
Collections.sort(providers, new Comparator<EmailProvider>() {
// Sort by score
Collections.sort(candidates, new Comparator<EmailProvider>() {
@Override
public int compare(EmailProvider p1, EmailProvider p2) {
return -Integer.compare(p1.getScore(), p2.getScore());
}
});
for (EmailProvider autoconfig : result) {
EntityLog.log(context, "Provider" +
" score=" + autoconfig.getScore() +
" imap=" + autoconfig.imap +
" smtp=" + autoconfig.smtp);
// Log candidates
for (EmailProvider candidate : candidates)
EntityLog.log(context, "Candidate" +
" score=" + candidate.getScore() +
" imap=" + candidate.imap +
" smtp=" + candidate.smtp);
// https://help.dreamhost.com/hc/en-us/articles/214918038-Email-client-configuration-overview
if (autoconfig.imap.host != null &&
autoconfig.imap.host.endsWith(".dreamhost.com"))
autoconfig.imap.host = "imap.dreamhost.com";
// Remove duplicates
List<EmailProvider> result = new ArrayList<>();
for (EmailProvider candidate : candidates)
if (!result.contains(candidate))
result.add(candidate);
if (autoconfig.smtp.host != null &&
autoconfig.smtp.host.endsWith(".dreamhost.com"))
autoconfig.smtp.host = "smtp.dreamhost.com";
// https://docs.aws.amazon.com/workmail/latest/userguide/using_IMAP_client.html
if (autoconfig.imap.host != null &&
autoconfig.imap.host.endsWith(".awsapps.com"))
autoconfig.partial = false;
}
Log.i("Candidates=" + result.size());
return result;
}
@NonNull
private static List<EmailProvider> _fromDomain(Context context, String domain, String email, Discover discover) throws IOException {
private static List<EmailProvider> _fromDomain(Context context, String domain, String email, Discover discover) {
List<EmailProvider> result = new ArrayList<>();
try {
@ -494,11 +489,14 @@ public class EmailProvider implements Parcelable {
if (eventType == XmlPullParser.TEXT) {
String host = xml.getText();
Log.i("Host=" + host);
if (imap)
if (imap) {
provider.imap.score = 20;
provider.imap.host = host;
else if (smtp)
} else if (smtp) {
provider.smtp.score = 20;
provider.smtp.host = host;
}
}
continue;
} else if ("port".equals(name)) {
@ -621,20 +619,20 @@ public class EmailProvider implements Parcelable {
if (records.length == 0)
throw new UnknownHostException(domain);
// ... service is not supported at all at a particular domain by setting the target of an SRV RR to "."
provider.imap.score = 50;
provider.imap.host = records[0].name;
provider.imap.port = records[0].port;
provider.imap.starttls = false;
provider.imap.checkCertificate(context);
EntityLog.log(context, "_imaps._tcp." + domain + "=" + provider.imap);
} catch (UnknownHostException ignored) {
// Identifies an IMAP server that MAY ... require the MUA to use the "STARTTLS" command
DnsHelper.DnsRecord[] records = DnsHelper.lookup(context, "_imap._tcp." + domain, "srv");
if (records.length == 0)
throw new UnknownHostException(domain);
provider.imap.score = 50;
provider.imap.host = records[0].name;
provider.imap.port = records[0].port;
provider.imap.starttls = (provider.imap.port == 143);
provider.imap.checkCertificate(context);
EntityLog.log(context, "_imap._tcp." + domain + "=" + provider.imap);
}
}
@ -645,20 +643,20 @@ public class EmailProvider implements Parcelable {
DnsHelper.DnsRecord[] records = DnsHelper.lookup(context, "_submission._tcp." + domain, "srv");
if (records.length == 0)
throw new UnknownHostException(domain);
provider.smtp.score = 50;
provider.smtp.host = records[0].name;
provider.smtp.port = records[0].port;
provider.smtp.starttls = (provider.smtp.port == 587);
provider.smtp.checkCertificate(context);
EntityLog.log(context, "_submission._tcp." + domain + "=" + provider.smtp);
} catch (UnknownHostException ignored) {
// https://tools.ietf.org/html/rfc8314
DnsHelper.DnsRecord[] records = DnsHelper.lookup(context, "_submissions._tcp." + domain, "srv");
if (records.length == 0)
throw new UnknownHostException(domain);
provider.smtp.score = 50;
provider.smtp.host = records[0].name;
provider.smtp.port = records[0].port;
provider.smtp.starttls = false;
provider.smtp.checkCertificate(context);
EntityLog.log(context, "_submissions._tcp." + domain + "=" + provider.smtp);
}
@ -770,6 +768,7 @@ public class EmailProvider implements Parcelable {
imap.host = in.readString();
imap.port = in.readInt();
imap.starttls = (in.readInt() != 0);
imap.score = in.readInt();
}
if (in.readInt() == 0)
@ -779,6 +778,7 @@ public class EmailProvider implements Parcelable {
smtp.host = in.readString();
smtp.port = in.readInt();
smtp.starttls = (in.readInt() != 0);
smtp.score = in.readInt();
}
appPassword = (in.readInt() != 0);
@ -794,6 +794,7 @@ public class EmailProvider implements Parcelable {
dest.writeString(imap.host);
dest.writeInt(imap.port);
dest.writeInt(imap.starttls ? 1 : 0);
dest.writeInt(imap.score);
}
dest.writeInt(smtp == null ? 0 : 1);
@ -801,6 +802,7 @@ public class EmailProvider implements Parcelable {
dest.writeString(smtp.host);
dest.writeInt(smtp.port);
dest.writeInt(smtp.starttls ? 1 : 0);
dest.writeInt(smtp.score);
}
dest.writeInt(appPassword ? 1 : 0);
@ -857,6 +859,12 @@ public class EmailProvider implements Parcelable {
public int port;
public boolean starttls;
// Scores:
// 10 from scan; +2 trusted; +1 trusted alt
// 20 from autoconfig
// 50 from DNS
// 100 from profile
private int score = 0;
private Future<Boolean> isReachable;
@ -864,6 +872,7 @@ public class EmailProvider implements Parcelable {
}
private Server(Context context, String domain, String prefix, int port, boolean starttls) {
this.score = 10;
this.host = (prefix == null ? "" : prefix + ".") + domain;
this.port = port;
this.starttls = starttls;
@ -1069,7 +1078,7 @@ public class EmailProvider implements Parcelable {
@NonNull
@Override
public String toString() {
return host + ":" + port + (starttls ? " starttls" : " ssl/tls");
return host + ":" + port + (starttls ? " starttls" : " ssl/tls") + " " + score;
}
}

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