mirror of
https://github.com/M66B/FairEmail.git
synced 2025-03-01 17:26:12 +00:00
Refactoring
This commit is contained in:
M66B
parent
6ae55f273b
commit
89a4d3ea6d
1 changed files with 485 additions and 466 deletions
|
|
@ -41,13 +41,16 @@ import androidx.annotation.NonNull;
|
|||
import androidx.constraintlayout.widget.Group;
|
||||
|
||||
import org.xmlpull.v1.XmlPullParser;
|
||||
import org.xmlpull.v1.XmlPullParserException;
|
||||
import org.xmlpull.v1.XmlPullParserFactory;
|
||||
|
||||
import java.io.FileNotFoundException;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.io.StringReader;
|
||||
import java.net.InetAddress;
|
||||
import java.net.UnknownHostException;
|
||||
import java.nio.charset.StandardCharsets;
|
||||
import java.text.DateFormat;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Arrays;
|
||||
|
|
@ -121,460 +124,24 @@ public class ActivityDmarc extends ActivityBase {
|
|||
@Override
|
||||
protected Spanned onExecute(Context context, Bundle args) throws Throwable {
|
||||
Uri uri = args.getParcelable("uri");
|
||||
|
||||
NoStreamException.check(uri, context);
|
||||
|
||||
DateFormat DTF = Helper.getDateTimeInstance(context, DateFormat.SHORT, DateFormat.SHORT);
|
||||
int colorWarning = Helper.resolveColor(context, R.attr.colorWarning);
|
||||
int colorSeparator = Helper.resolveColor(context, R.attr.colorSeparator);
|
||||
float stroke = context.getResources().getDisplayMetrics().density;
|
||||
SpannableStringBuilder ssb = new SpannableStringBuilderEx();
|
||||
|
||||
String data;
|
||||
SpannableStringBuilder ssb;
|
||||
ContentResolver resolver = context.getContentResolver();
|
||||
|
||||
try (InputStream is = resolver.openInputStream(uri)) {
|
||||
if (is == null)
|
||||
throw new FileNotFoundException(uri.toString());
|
||||
data = Helper.readStream(is);
|
||||
ssb = new Loader().load(context, is);
|
||||
}
|
||||
|
||||
XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
|
||||
XmlPullParser xml = factory.newPullParser();
|
||||
xml.setInput(new StringReader(data));
|
||||
|
||||
// https://tools.ietf.org/id/draft-kucherawy-dmarc-base-13.xml#xml_schema
|
||||
boolean feedback = false;
|
||||
boolean report_metadata = false;
|
||||
boolean policy_published = false;
|
||||
boolean record = false;
|
||||
boolean row = false;
|
||||
boolean policy_evaluated = false;
|
||||
boolean identifiers = false;
|
||||
boolean auth_results = false;
|
||||
String lastDomain = null;
|
||||
String result = null;
|
||||
List<Pair<String, DnsHelper.DnsRecord>> spf = null;
|
||||
int eventType = xml.getEventType();
|
||||
while (eventType != XmlPullParser.END_DOCUMENT) {
|
||||
if (eventType == XmlPullParser.START_TAG) {
|
||||
String name = xml.getName();
|
||||
switch (name) {
|
||||
case "feedback":
|
||||
feedback = true;
|
||||
break;
|
||||
case "report_metadata":
|
||||
report_metadata = true;
|
||||
break;
|
||||
case "policy_published":
|
||||
policy_published = true;
|
||||
lastDomain = null;
|
||||
break;
|
||||
case "record":
|
||||
record = true;
|
||||
break;
|
||||
case "row":
|
||||
row = true;
|
||||
ssb.append("\uFFFC");
|
||||
ssb.setSpan(new LineSpan(colorSeparator, stroke, 0), ssb.length() - 1, ssb.length(), 0);
|
||||
ssb.append("\n");
|
||||
break;
|
||||
case "policy_evaluated":
|
||||
policy_evaluated = true;
|
||||
break;
|
||||
case "identifiers":
|
||||
identifiers = true;
|
||||
break;
|
||||
case "auth_results":
|
||||
auth_results = true;
|
||||
ssb.append("\n");
|
||||
break;
|
||||
|
||||
case "org_name":
|
||||
case "begin":
|
||||
case "end":
|
||||
if (feedback && report_metadata) {
|
||||
eventType = xml.next();
|
||||
if (eventType == XmlPullParser.TEXT) {
|
||||
String text = xml.getText();
|
||||
if (text == null)
|
||||
text = "<null>";
|
||||
if ("begin".equals(name) || "end".equals(name)) {
|
||||
text = text.trim();
|
||||
try {
|
||||
ssb.append(name).append('=')
|
||||
.append(DTF.format(Long.parseLong(text) * 1000));
|
||||
} catch (Throwable ex) {
|
||||
Log.w(ex);
|
||||
ssb.append(name).append('=')
|
||||
.append(text);
|
||||
}
|
||||
} else
|
||||
ssb.append(text);
|
||||
ssb.append(' ');
|
||||
}
|
||||
}
|
||||
break;
|
||||
case "domain":
|
||||
if (feedback && (policy_published || auth_results)) {
|
||||
eventType = xml.next();
|
||||
if (eventType == XmlPullParser.TEXT) {
|
||||
String text = xml.getText();
|
||||
lastDomain = text;
|
||||
if (text == null)
|
||||
text = "<null>";
|
||||
ssb.append(text).append(' ');
|
||||
}
|
||||
}
|
||||
break;
|
||||
case "adkim":
|
||||
case "aspf":
|
||||
case "p":
|
||||
case "sp":
|
||||
case "fo":
|
||||
if (feedback && policy_published) {
|
||||
eventType = xml.next();
|
||||
if (eventType == XmlPullParser.TEXT) {
|
||||
String text = xml.getText();
|
||||
if (text == null)
|
||||
text = "<null>";
|
||||
if ("adkim".equals(name) || "aspf".equals(name))
|
||||
if ("r".equals(text))
|
||||
text = "relaxed";
|
||||
else if ("s".equals(text))
|
||||
text = "strict";
|
||||
ssb.append(name).append('=')
|
||||
.append(text).append(' ');
|
||||
}
|
||||
}
|
||||
break;
|
||||
case "pct":
|
||||
if (feedback && policy_published) {
|
||||
eventType = xml.next();
|
||||
if (eventType == XmlPullParser.TEXT) {
|
||||
String text = xml.getText();
|
||||
if (text == null)
|
||||
text = "<null>";
|
||||
Integer pct = Helper.parseInt(text);
|
||||
if (pct == null)
|
||||
ssb.append(name).append('=')
|
||||
.append(text).append(' ');
|
||||
else
|
||||
ssb.append(text).append("% ");
|
||||
}
|
||||
}
|
||||
|
||||
break;
|
||||
case "source_ip":
|
||||
case "count":
|
||||
if (feedback && record && row) {
|
||||
eventType = xml.next();
|
||||
if (eventType == XmlPullParser.TEXT) {
|
||||
String text = xml.getText();
|
||||
if (text == null)
|
||||
text = "<null>";
|
||||
ssb.append(name).append('=')
|
||||
.append(text).append(' ');
|
||||
if ("source_ip".equals(name)) {
|
||||
try {
|
||||
Boolean valid = null;
|
||||
String because = null;
|
||||
if (spf != null)
|
||||
for (Pair<String, DnsHelper.DnsRecord> p : spf) {
|
||||
for (String ip : p.second.response.split("\\s+")) {
|
||||
boolean allow = true;
|
||||
ip = ip.toLowerCase(Locale.ROOT);
|
||||
if (ip.startsWith("-"))
|
||||
allow = false;
|
||||
else if (ip.startsWith("+"))
|
||||
ip = ip.substring(1);
|
||||
|
||||
// https://datatracker.ietf.org/doc/html/rfc7208#section-5
|
||||
if (ip.startsWith("ip4:") || ip.startsWith("ip6:")) {
|
||||
String[] net = ip.substring(4).split("/");
|
||||
Integer prefix = (net.length > 1
|
||||
? Helper.parseInt(net[1]) : null);
|
||||
if (prefix == null) {
|
||||
if (text.equals(net[0])) {
|
||||
valid = allow;
|
||||
because = (allow ? '+' : '-') + ip + " in " + p.first;
|
||||
break;
|
||||
}
|
||||
} else {
|
||||
if (ConnectionHelper.inSubnet(text, net[0], prefix)) {
|
||||
valid = allow;
|
||||
because = (allow ? '+' : '-') + ip + " in " + p.first + "/" + prefix;
|
||||
}
|
||||
}
|
||||
} else if ("a".equals(ip) || ip.startsWith("a:")) {
|
||||
String domain = (ip.startsWith("a:")
|
||||
? ip.substring(2) : p.first);
|
||||
String[] net = domain.split("/");
|
||||
Integer prefix = (net.length > 1
|
||||
? Helper.parseInt(net[1]) : null);
|
||||
List<DnsHelper.DnsRecord> as = new ArrayList<>();
|
||||
try {
|
||||
as.addAll(Arrays.asList(DnsHelper.lookup(context, net[0], "a")));
|
||||
} catch (UnknownHostException ignored) {
|
||||
}
|
||||
try {
|
||||
as.addAll(Arrays.asList(DnsHelper.lookup(context, net[0], "aaaa")));
|
||||
} catch (UnknownHostException ignored) {
|
||||
}
|
||||
for (DnsHelper.DnsRecord a : as)
|
||||
if (prefix == null) {
|
||||
if (text.equals(a.response)) {
|
||||
valid = allow;
|
||||
because = (allow ? '+' : '-') + ip + " in " + domain;
|
||||
break;
|
||||
}
|
||||
} else {
|
||||
if (ConnectionHelper.inSubnet(text, a.response, prefix)) {
|
||||
valid = allow;
|
||||
because = (allow ? '+' : '-') + ip + " in " + domain + "/" + prefix;
|
||||
break;
|
||||
}
|
||||
}
|
||||
} else if ("mx".equals(ip) || ip.startsWith("mx:")) {
|
||||
try {
|
||||
String domain = (ip.startsWith("mx:")
|
||||
? ip.substring(3) : p.first);
|
||||
String[] net = domain.split("/");
|
||||
Integer prefix = (net.length > 1
|
||||
? Helper.parseInt(net[1]) : null);
|
||||
DnsHelper.DnsRecord[] mxs =
|
||||
DnsHelper.lookup(context, net[0], "mx");
|
||||
for (DnsHelper.DnsRecord mx : mxs) {
|
||||
List<DnsHelper.DnsRecord> as = new ArrayList<>();
|
||||
try {
|
||||
as.addAll(Arrays.asList(DnsHelper.lookup(context, mx.response, "a")));
|
||||
} catch (UnknownHostException ignored) {
|
||||
}
|
||||
try {
|
||||
as.addAll(Arrays.asList(DnsHelper.lookup(context, mx.response, "aaaa")));
|
||||
} catch (UnknownHostException ignored) {
|
||||
}
|
||||
for (DnsHelper.DnsRecord a : as) {
|
||||
if (prefix == null) {
|
||||
if (text.equals(a.response)) {
|
||||
valid = allow;
|
||||
because = (allow ? '+' : '-') + ip + " in " + domain;
|
||||
break;
|
||||
}
|
||||
} else {
|
||||
if (ConnectionHelper.inSubnet(text, a.response, prefix)) {
|
||||
valid = allow;
|
||||
because = (allow ? '+' : '-') + ip + " in " + domain + "/" + prefix;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (valid != null)
|
||||
break;
|
||||
}
|
||||
} catch (UnknownHostException ignored) {
|
||||
}
|
||||
} else if ("ptr".equals(ip) || ip.startsWith("ptr:")) {
|
||||
valid = false;
|
||||
because = (allow ? '+' : '-') + ip + " ptr not supported";
|
||||
}
|
||||
if (valid != null)
|
||||
break;
|
||||
}
|
||||
if (valid != null)
|
||||
break;
|
||||
}
|
||||
|
||||
int start = ssb.length();
|
||||
ssb.append(Boolean.TRUE.equals(valid) ? "valid" : "invalid");
|
||||
if (because != null)
|
||||
ssb.append(" (").append(because).append(')');
|
||||
if (!Boolean.TRUE.equals(valid)) {
|
||||
ssb.setSpan(new StyleSpan(Typeface.BOLD), start, ssb.length(), 0);
|
||||
ssb.setSpan(new ForegroundColorSpan(colorWarning), start, ssb.length(), 0);
|
||||
}
|
||||
ssb.append(' ');
|
||||
} catch (Throwable ex) {
|
||||
Log.w(ex);
|
||||
ssb.append(ex.toString()).append('\n');
|
||||
}
|
||||
|
||||
try {
|
||||
InetAddress addr = InetAddress.getByName(text);
|
||||
IPInfo info = IPInfo.getOrganization(addr, context);
|
||||
ssb.append('(').append(info.org).append(") ");
|
||||
} catch (Throwable ex) {
|
||||
Log.w(ex);
|
||||
ssb.append(ex.toString()).append('\n');
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
break;
|
||||
case "disposition": // none, quarantine, reject
|
||||
case "dkim":
|
||||
case "spf":
|
||||
case "header_from":
|
||||
case "envelope_from":
|
||||
case "envelope_to":
|
||||
if (feedback && record)
|
||||
if (policy_evaluated || identifiers) {
|
||||
eventType = xml.next();
|
||||
if (eventType == XmlPullParser.TEXT) {
|
||||
ssb.append(name).append('=');
|
||||
int start = ssb.length();
|
||||
String text = xml.getText();
|
||||
if (text == null)
|
||||
text = "<null>";
|
||||
ssb.append(text);
|
||||
|
||||
if (!"pass".equals(text.toLowerCase(Locale.ROOT)) &&
|
||||
("dkim".equals(name) || "spf".equals(name))) {
|
||||
ssb.setSpan(new StyleSpan(Typeface.BOLD), start, ssb.length(), 0);
|
||||
ssb.setSpan(new ForegroundColorSpan(colorWarning), start, ssb.length(), 0);
|
||||
}
|
||||
|
||||
ssb.append(' ');
|
||||
}
|
||||
} else if (auth_results)
|
||||
result = name;
|
||||
break;
|
||||
case "result":
|
||||
if (feedback && auth_results) {
|
||||
eventType = xml.next();
|
||||
if (eventType == XmlPullParser.TEXT) {
|
||||
ssb.append(result == null ? "?" : result).append('=');
|
||||
int start = ssb.length();
|
||||
String text = xml.getText();
|
||||
if (text == null)
|
||||
text = "<null>";
|
||||
ssb.append(text);
|
||||
if (!"pass".equals(text.toLowerCase(Locale.ROOT))) {
|
||||
ssb.setSpan(new StyleSpan(Typeface.BOLD), start, ssb.length(), 0);
|
||||
ssb.setSpan(new ForegroundColorSpan(colorWarning), start, ssb.length(), 0);
|
||||
}
|
||||
ssb.append(' ');
|
||||
}
|
||||
}
|
||||
break;
|
||||
case "selector":
|
||||
case "scope":
|
||||
if (feedback && auth_results) {
|
||||
eventType = xml.next();
|
||||
if (eventType == XmlPullParser.TEXT) {
|
||||
String text = xml.getText();
|
||||
if (text == null)
|
||||
text = "<null>";
|
||||
ssb.append(name).append('=')
|
||||
.append(text).append(' ');
|
||||
}
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
if ("report_metadata".equals(name) ||
|
||||
"policy_published".equals(name) ||
|
||||
"row".equals(name) ||
|
||||
"identifiers".equals(name) ||
|
||||
"auth_results".equals(name)) {
|
||||
int start = ssb.length();
|
||||
ssb.append(name);
|
||||
ssb.setSpan(new StyleSpan(Typeface.BOLD), start, ssb.length(), 0);
|
||||
ssb.append("\n");
|
||||
}
|
||||
|
||||
} else if (eventType == XmlPullParser.END_TAG) {
|
||||
String name = xml.getName();
|
||||
switch (name) {
|
||||
case "feedback":
|
||||
feedback = false;
|
||||
break;
|
||||
case "report_metadata":
|
||||
report_metadata = false;
|
||||
if (feedback)
|
||||
ssb.append("\n\n");
|
||||
break;
|
||||
case "policy_published":
|
||||
policy_published = false;
|
||||
if (feedback) {
|
||||
ssb.append("\n\n");
|
||||
if (lastDomain == null)
|
||||
spf = null;
|
||||
else {
|
||||
Integer start = null;
|
||||
SpannableStringBuilder extra = new SpannableStringBuilderEx();
|
||||
spf = lookupSpf(context, lastDomain, extra);
|
||||
for (Pair<String, DnsHelper.DnsRecord> p : spf) {
|
||||
ssb.append(p.first).append(' ')
|
||||
.append(p.second.response).append("\n\n");
|
||||
if (start == null)
|
||||
start = ssb.length();
|
||||
}
|
||||
ssb.append(extra);
|
||||
if (start != null) {
|
||||
ssb.setSpan(new RelativeSizeSpan(HtmlHelper.FONT_SMALL), start, ssb.length(), 0);
|
||||
ssb.append("\n");
|
||||
}
|
||||
|
||||
List<DnsHelper.DnsRecord> records = new ArrayList<>();
|
||||
try {
|
||||
records.addAll(Arrays.asList(
|
||||
DnsHelper.lookup(context, "_dmarc." + lastDomain, "txt")));
|
||||
} catch (UnknownHostException ignored) {
|
||||
}
|
||||
try {
|
||||
records.addAll(Arrays.asList(
|
||||
DnsHelper.lookup(context, "default._bimi." + lastDomain, "txt")));
|
||||
} catch (UnknownHostException ignored) {
|
||||
}
|
||||
for (DnsHelper.DnsRecord r : records)
|
||||
ssb.append(r.response).append("\n");
|
||||
ssb.append("\n");
|
||||
}
|
||||
}
|
||||
break;
|
||||
case "record":
|
||||
record = false;
|
||||
break;
|
||||
case "row":
|
||||
row = false;
|
||||
if (feedback)
|
||||
ssb.append("\n\n");
|
||||
break;
|
||||
case "policy_evaluated":
|
||||
policy_evaluated = false;
|
||||
break;
|
||||
case "identifiers":
|
||||
identifiers = false;
|
||||
if (feedback)
|
||||
ssb.append("\n");
|
||||
break;
|
||||
case "auth_results":
|
||||
auth_results = false;
|
||||
if (feedback)
|
||||
ssb.append("\n");
|
||||
break;
|
||||
case "dkim":
|
||||
case "spf":
|
||||
if (feedback && auth_results) {
|
||||
result = null;
|
||||
ssb.append("\n");
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
eventType = xml.next();
|
||||
try (InputStream is = resolver.openInputStream(uri)) {
|
||||
int start = ssb.length();
|
||||
ssb.append(TextHelper.formatXml(Helper.readStream(is), 2));
|
||||
ssb.setSpan(new TypefaceSpan("monospace"), start, ssb.length(), 0);
|
||||
ssb.setSpan(new RelativeSizeSpan(HtmlHelper.FONT_SMALL), start, ssb.length(), 0);
|
||||
}
|
||||
|
||||
ssb.append("\uFFFC");
|
||||
ssb.setSpan(new LineSpan(colorSeparator, stroke, 0), ssb.length() - 1, ssb.length(), 0);
|
||||
ssb.append("\n");
|
||||
|
||||
int start = ssb.length();
|
||||
ssb.append(TextHelper.formatXml(data, 2));
|
||||
ssb.setSpan(new TypefaceSpan("monospace"), start, ssb.length(), 0);
|
||||
ssb.setSpan(new RelativeSizeSpan(HtmlHelper.FONT_SMALL), start, ssb.length(), 0);
|
||||
|
||||
return ssb;
|
||||
}
|
||||
|
||||
|
|
@ -592,28 +159,480 @@ public class ActivityDmarc extends ActivityBase {
|
|||
tvDmarc.setText(ex + "\n" + android.util.Log.getStackTraceString(ex));
|
||||
grpReady.setVisibility(View.VISIBLE);
|
||||
}
|
||||
|
||||
private List<Pair<String, DnsHelper.DnsRecord>> lookupSpf(Context context, String domain, SpannableStringBuilder ssb) {
|
||||
List<Pair<String, DnsHelper.DnsRecord>> result = new ArrayList<>();
|
||||
try {
|
||||
DnsHelper.DnsRecord[] records = DnsHelper.lookup(context, domain, "txt");
|
||||
ssb.append(domain).append('=')
|
||||
.append(Integer.toString(records.length)).append('\n');
|
||||
for (DnsHelper.DnsRecord r : records)
|
||||
if (r.response.contains("spf")) {
|
||||
result.add(new Pair<>(domain, r));
|
||||
for (String part : r.response.split("\\s+"))
|
||||
if (part.toLowerCase(Locale.ROOT).startsWith("include:")) {
|
||||
String sub = part.substring("include:".length());
|
||||
result.addAll(lookupSpf(context, sub, ssb));
|
||||
}
|
||||
}
|
||||
} catch (Throwable ex) {
|
||||
Log.w(ex);
|
||||
ssb.append(ex.toString()).append('\n');
|
||||
}
|
||||
return result;
|
||||
}
|
||||
}.execute(this, args, "dmarc:decode");
|
||||
}
|
||||
|
||||
private static class Loader {
|
||||
// https://tools.ietf.org/id/draft-kucherawy-dmarc-base-13.xml#xml_schema
|
||||
private DateFormat DTF;
|
||||
private int colorWarning;
|
||||
private int colorSeparator;
|
||||
private float stroke;
|
||||
|
||||
private boolean feedback = false;
|
||||
private boolean report_metadata = false;
|
||||
private boolean policy_published = false;
|
||||
private boolean record = false;
|
||||
private boolean row = false;
|
||||
private boolean policy_evaluated = false;
|
||||
private boolean identifiers = false;
|
||||
private boolean auth_results = false;
|
||||
private String lastDomain = null;
|
||||
private String result = null;
|
||||
private List<Pair<String, DnsHelper.DnsRecord>> spf = null;
|
||||
private SpannableStringBuilder ssb = new SpannableStringBuilderEx();
|
||||
|
||||
SpannableStringBuilder load(Context context, InputStream is) throws XmlPullParserException, IOException {
|
||||
DTF = Helper.getDateTimeInstance(context, DateFormat.SHORT, DateFormat.SHORT);
|
||||
colorWarning = Helper.resolveColor(context, R.attr.colorWarning);
|
||||
colorSeparator = Helper.resolveColor(context, R.attr.colorSeparator);
|
||||
stroke = context.getResources().getDisplayMetrics().density;
|
||||
|
||||
XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
|
||||
XmlPullParser xml = factory.newPullParser();
|
||||
xml.setInput(is, StandardCharsets.UTF_8.name());
|
||||
|
||||
int eventType = xml.getEventType();
|
||||
while (eventType != XmlPullParser.END_DOCUMENT) {
|
||||
if (eventType == XmlPullParser.START_TAG) {
|
||||
String name = xml.getName();
|
||||
switch (name) {
|
||||
case "feedback":
|
||||
feedback = true;
|
||||
break;
|
||||
case "report_metadata":
|
||||
report_metadata = true;
|
||||
break;
|
||||
case "policy_published":
|
||||
policy_published = true;
|
||||
lastDomain = null;
|
||||
break;
|
||||
case "record":
|
||||
record = true;
|
||||
break;
|
||||
case "row":
|
||||
row = true;
|
||||
ssb.append("\uFFFC");
|
||||
ssb.setSpan(new LineSpan(colorSeparator, stroke, 0), ssb.length() - 1, ssb.length(), 0);
|
||||
ssb.append("\n");
|
||||
break;
|
||||
case "policy_evaluated":
|
||||
policy_evaluated = true;
|
||||
break;
|
||||
case "identifiers":
|
||||
identifiers = true;
|
||||
break;
|
||||
case "auth_results":
|
||||
auth_results = true;
|
||||
ssb.append("\n");
|
||||
break;
|
||||
|
||||
case "org_name":
|
||||
case "begin":
|
||||
case "end":
|
||||
if (feedback && report_metadata) {
|
||||
eventType = xml.next();
|
||||
if (eventType == XmlPullParser.TEXT) {
|
||||
String text = xml.getText();
|
||||
if (text == null)
|
||||
text = "<null>";
|
||||
if ("begin".equals(name) || "end".equals(name)) {
|
||||
text = text.trim();
|
||||
try {
|
||||
ssb.append(name).append('=').append(DTF.format(Long.parseLong(text) * 1000));
|
||||
} catch (Throwable ex) {
|
||||
Log.w(ex);
|
||||
ssb.append(name).append('=').append(text);
|
||||
}
|
||||
} else
|
||||
ssb.append(text);
|
||||
ssb.append(' ');
|
||||
}
|
||||
}
|
||||
break;
|
||||
case "domain":
|
||||
if (feedback && (policy_published || auth_results)) {
|
||||
eventType = xml.next();
|
||||
if (eventType == XmlPullParser.TEXT) {
|
||||
String text = xml.getText();
|
||||
lastDomain = text;
|
||||
if (text == null)
|
||||
text = "<null>";
|
||||
ssb.append(text).append(' ');
|
||||
}
|
||||
}
|
||||
break;
|
||||
case "adkim":
|
||||
case "aspf":
|
||||
case "p":
|
||||
case "sp":
|
||||
case "fo":
|
||||
if (feedback && policy_published) {
|
||||
eventType = xml.next();
|
||||
if (eventType == XmlPullParser.TEXT) {
|
||||
String text = xml.getText();
|
||||
if (text == null)
|
||||
text = "<null>";
|
||||
if ("adkim".equals(name) || "aspf".equals(name))
|
||||
if ("r".equals(text))
|
||||
text = "relaxed";
|
||||
else if ("s".equals(text))
|
||||
text = "strict";
|
||||
ssb.append(name).append('=').append(text).append(' ');
|
||||
}
|
||||
}
|
||||
break;
|
||||
case "pct":
|
||||
if (feedback && policy_published) {
|
||||
eventType = xml.next();
|
||||
if (eventType == XmlPullParser.TEXT) {
|
||||
String text = xml.getText();
|
||||
if (text == null)
|
||||
text = "<null>";
|
||||
Integer pct = Helper.parseInt(text);
|
||||
if (pct == null)
|
||||
ssb.append(name).append('=').append(text).append(' ');
|
||||
else
|
||||
ssb.append(text).append("% ");
|
||||
}
|
||||
}
|
||||
|
||||
break;
|
||||
case "source_ip":
|
||||
case "count":
|
||||
if (feedback && record && row) {
|
||||
eventType = xml.next();
|
||||
if (eventType == XmlPullParser.TEXT) {
|
||||
String text = xml.getText();
|
||||
if (text == null)
|
||||
text = "<null>";
|
||||
ssb.append(name).append('=').append(text).append(' ');
|
||||
if ("source_ip".equals(name))
|
||||
processSourceIp(context, text);
|
||||
}
|
||||
}
|
||||
break;
|
||||
case "disposition": // none, quarantine, reject
|
||||
case "dkim":
|
||||
case "spf":
|
||||
case "header_from":
|
||||
case "envelope_from":
|
||||
case "envelope_to":
|
||||
if (feedback && record)
|
||||
if (policy_evaluated || identifiers) {
|
||||
eventType = xml.next();
|
||||
if (eventType == XmlPullParser.TEXT) {
|
||||
ssb.append(name).append('=');
|
||||
int start = ssb.length();
|
||||
String text = xml.getText();
|
||||
if (text == null)
|
||||
text = "<null>";
|
||||
ssb.append(text);
|
||||
|
||||
if (!"pass".equals(text.toLowerCase(Locale.ROOT)) &&
|
||||
("dkim".equals(name) || "spf".equals(name))) {
|
||||
ssb.setSpan(new StyleSpan(Typeface.BOLD), start, ssb.length(), 0);
|
||||
ssb.setSpan(new ForegroundColorSpan(colorWarning), start, ssb.length(), 0);
|
||||
}
|
||||
|
||||
ssb.append(' ');
|
||||
}
|
||||
} else if (auth_results)
|
||||
result = name;
|
||||
break;
|
||||
case "result":
|
||||
if (feedback && auth_results) {
|
||||
eventType = xml.next();
|
||||
if (eventType == XmlPullParser.TEXT) {
|
||||
ssb.append(result == null ? "?" : result).append('=');
|
||||
int start = ssb.length();
|
||||
String text = xml.getText();
|
||||
if (text == null)
|
||||
text = "<null>";
|
||||
ssb.append(text);
|
||||
|
||||
if (!"pass".equals(text.toLowerCase(Locale.ROOT))) {
|
||||
ssb.setSpan(new StyleSpan(Typeface.BOLD), start, ssb.length(), 0);
|
||||
ssb.setSpan(new ForegroundColorSpan(colorWarning), start, ssb.length(), 0);
|
||||
}
|
||||
|
||||
ssb.append(' ');
|
||||
}
|
||||
}
|
||||
break;
|
||||
case "selector":
|
||||
case "scope":
|
||||
if (feedback && auth_results) {
|
||||
eventType = xml.next();
|
||||
if (eventType == XmlPullParser.TEXT) {
|
||||
String text = xml.getText();
|
||||
if (text == null)
|
||||
text = "<null>";
|
||||
ssb.append(name).append('=').append(text).append(' ');
|
||||
}
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
if ("report_metadata".equals(name) ||
|
||||
"policy_published".equals(name) ||
|
||||
"row".equals(name) ||
|
||||
"identifiers".equals(name) ||
|
||||
"auth_results".equals(name)) {
|
||||
int start = ssb.length();
|
||||
ssb.append(name);
|
||||
ssb.setSpan(new StyleSpan(Typeface.BOLD), start, ssb.length(), 0);
|
||||
ssb.append("\n");
|
||||
}
|
||||
|
||||
} else if (eventType == XmlPullParser.END_TAG) {
|
||||
String name = xml.getName();
|
||||
switch (name) {
|
||||
case "feedback":
|
||||
feedback = false;
|
||||
break;
|
||||
case "report_metadata":
|
||||
report_metadata = false;
|
||||
if (feedback)
|
||||
ssb.append("\n\n");
|
||||
break;
|
||||
case "policy_published":
|
||||
policy_published = false;
|
||||
if (feedback)
|
||||
ssb.append("\n\n");
|
||||
if (lastDomain == null)
|
||||
spf = null;
|
||||
else
|
||||
processPolicyPublished(context);
|
||||
break;
|
||||
case "record":
|
||||
record = false;
|
||||
break;
|
||||
case "row":
|
||||
row = false;
|
||||
if (feedback)
|
||||
ssb.append("\n\n");
|
||||
break;
|
||||
case "policy_evaluated":
|
||||
policy_evaluated = false;
|
||||
break;
|
||||
case "identifiers":
|
||||
identifiers = false;
|
||||
if (feedback)
|
||||
ssb.append("\n");
|
||||
break;
|
||||
case "auth_results":
|
||||
auth_results = false;
|
||||
if (feedback)
|
||||
ssb.append("\n");
|
||||
break;
|
||||
case "dkim":
|
||||
case "spf":
|
||||
if (feedback && auth_results) {
|
||||
result = null;
|
||||
ssb.append("\n");
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
eventType = xml.next();
|
||||
}
|
||||
|
||||
ssb.append("\uFFFC");
|
||||
ssb.setSpan(new LineSpan(colorSeparator, stroke, 0), ssb.length() - 1, ssb.length(), 0);
|
||||
ssb.append("\n");
|
||||
|
||||
return ssb;
|
||||
}
|
||||
|
||||
private void processPolicyPublished(Context context) {
|
||||
Integer start = null;
|
||||
SpannableStringBuilder extra = new SpannableStringBuilderEx();
|
||||
|
||||
spf = lookupSpf(context, lastDomain, extra);
|
||||
for (Pair<String, DnsHelper.DnsRecord> p : spf) {
|
||||
ssb.append(p.first).append(' ')
|
||||
.append(p.second.response).append("\n\n");
|
||||
if (start == null)
|
||||
start = ssb.length();
|
||||
}
|
||||
ssb.append(extra);
|
||||
|
||||
if (start != null) {
|
||||
ssb.setSpan(new RelativeSizeSpan(HtmlHelper.FONT_SMALL), start, ssb.length(), 0);
|
||||
ssb.append("\n");
|
||||
}
|
||||
|
||||
List<DnsHelper.DnsRecord> records = new ArrayList<>();
|
||||
try {
|
||||
records.addAll(Arrays.asList(
|
||||
DnsHelper.lookup(context, "_dmarc." + lastDomain, "txt")));
|
||||
} catch (UnknownHostException ignored) {
|
||||
}
|
||||
try {
|
||||
records.addAll(Arrays.asList(
|
||||
DnsHelper.lookup(context, "default._bimi." + lastDomain, "txt")));
|
||||
} catch (UnknownHostException ignored) {
|
||||
}
|
||||
|
||||
for (DnsHelper.DnsRecord r : records)
|
||||
ssb.append(r.response).append("\n");
|
||||
|
||||
ssb.append("\n");
|
||||
}
|
||||
|
||||
private void processSourceIp(Context context, String text) {
|
||||
try {
|
||||
Boolean valid = null;
|
||||
String because = null;
|
||||
if (spf != null)
|
||||
for (Pair<String, DnsHelper.DnsRecord> p : spf) {
|
||||
for (String ip : p.second.response.split("\\s+")) {
|
||||
boolean allow = true;
|
||||
ip = ip.toLowerCase(Locale.ROOT);
|
||||
if (ip.startsWith("-"))
|
||||
allow = false;
|
||||
else if (ip.startsWith("+"))
|
||||
ip = ip.substring(1);
|
||||
|
||||
// https://datatracker.ietf.org/doc/html/rfc7208#section-5
|
||||
if (ip.startsWith("ip4:") || ip.startsWith("ip6:")) {
|
||||
String[] net = ip.substring(4).split("/");
|
||||
Integer prefix = (net.length > 1 ? Helper.parseInt(net[1]) : null);
|
||||
if (prefix == null) {
|
||||
if (text.equals(net[0])) {
|
||||
valid = allow;
|
||||
because = (allow ? '+' : '-') + ip + " in " + p.first;
|
||||
break;
|
||||
}
|
||||
} else {
|
||||
if (ConnectionHelper.inSubnet(text, net[0], prefix)) {
|
||||
valid = allow;
|
||||
because = (allow ? '+' : '-') + ip + " in " + p.first + "/" + prefix;
|
||||
}
|
||||
}
|
||||
} else if ("a".equals(ip) || ip.startsWith("a:")) {
|
||||
String domain = (ip.startsWith("a:") ? ip.substring(2) : p.first);
|
||||
String[] net = domain.split("/");
|
||||
Integer prefix = (net.length > 1 ? Helper.parseInt(net[1]) : null);
|
||||
List<DnsHelper.DnsRecord> as = new ArrayList<>();
|
||||
try {
|
||||
as.addAll(Arrays.asList(DnsHelper.lookup(context, net[0], "a")));
|
||||
} catch (UnknownHostException ignored) {
|
||||
}
|
||||
try {
|
||||
as.addAll(Arrays.asList(DnsHelper.lookup(context, net[0], "aaaa")));
|
||||
} catch (UnknownHostException ignored) {
|
||||
}
|
||||
for (DnsHelper.DnsRecord a : as)
|
||||
if (prefix == null) {
|
||||
if (text.equals(a.response)) {
|
||||
valid = allow;
|
||||
because = (allow ? '+' : '-') + ip + " in " + domain;
|
||||
break;
|
||||
}
|
||||
} else {
|
||||
if (ConnectionHelper.inSubnet(text, a.response, prefix)) {
|
||||
valid = allow;
|
||||
because = (allow ? '+' : '-') + ip + " in " + domain + "/" + prefix;
|
||||
break;
|
||||
}
|
||||
}
|
||||
} else if ("mx".equals(ip) || ip.startsWith("mx:")) {
|
||||
try {
|
||||
String domain = (ip.startsWith("mx:") ? ip.substring(3) : p.first);
|
||||
String[] net = domain.split("/");
|
||||
Integer prefix = (net.length > 1 ? Helper.parseInt(net[1]) : null);
|
||||
DnsHelper.DnsRecord[] mxs = DnsHelper.lookup(context, net[0], "mx");
|
||||
for (DnsHelper.DnsRecord mx : mxs) {
|
||||
List<DnsHelper.DnsRecord> as = new ArrayList<>();
|
||||
try {
|
||||
as.addAll(Arrays.asList(DnsHelper.lookup(context, mx.response, "a")));
|
||||
} catch (UnknownHostException ignored) {
|
||||
}
|
||||
try {
|
||||
as.addAll(Arrays.asList(DnsHelper.lookup(context, mx.response, "aaaa")));
|
||||
} catch (UnknownHostException ignored) {
|
||||
}
|
||||
for (DnsHelper.DnsRecord a : as) {
|
||||
if (prefix == null) {
|
||||
if (text.equals(a.response)) {
|
||||
valid = allow;
|
||||
because = (allow ? '+' : '-') + ip + " in " + domain;
|
||||
break;
|
||||
}
|
||||
} else {
|
||||
if (ConnectionHelper.inSubnet(text, a.response, prefix)) {
|
||||
valid = allow;
|
||||
because = (allow ? '+' : '-') + ip + " in " + domain + "/" + prefix;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (valid != null)
|
||||
break;
|
||||
}
|
||||
} catch (UnknownHostException ignored) {
|
||||
}
|
||||
} else if ("ptr".equals(ip) || ip.startsWith("ptr:")) {
|
||||
valid = false;
|
||||
because = (allow ? '+' : '-') + ip + " ptr not supported";
|
||||
}
|
||||
if (valid != null)
|
||||
break;
|
||||
}
|
||||
if (valid != null)
|
||||
break;
|
||||
}
|
||||
|
||||
int start = ssb.length();
|
||||
ssb.append(Boolean.TRUE.equals(valid) ? "valid" : "invalid");
|
||||
if (because != null)
|
||||
ssb.append(" (").append(because).append(')');
|
||||
|
||||
if (!Boolean.TRUE.equals(valid)) {
|
||||
ssb.setSpan(new StyleSpan(Typeface.BOLD), start, ssb.length(), 0);
|
||||
ssb.setSpan(new ForegroundColorSpan(colorWarning), start, ssb.length(), 0);
|
||||
}
|
||||
|
||||
ssb.append(' ');
|
||||
} catch (Throwable ex) {
|
||||
Log.w(ex);
|
||||
ssb.append(ex.toString()).append('\n');
|
||||
}
|
||||
|
||||
try {
|
||||
InetAddress addr = InetAddress.getByName(text);
|
||||
IPInfo info = IPInfo.getOrganization(addr, context);
|
||||
ssb.append('(').append(info.org).append(") ");
|
||||
} catch (Throwable ex) {
|
||||
Log.w(ex);
|
||||
ssb.append(ex.toString()).append('\n');
|
||||
}
|
||||
}
|
||||
|
||||
private static List<Pair<String, DnsHelper.DnsRecord>> lookupSpf(Context context, String domain, SpannableStringBuilder ssb) {
|
||||
List<Pair<String, DnsHelper.DnsRecord>> result = new ArrayList<>();
|
||||
|
||||
try {
|
||||
DnsHelper.DnsRecord[] records = DnsHelper.lookup(context, domain, "txt");
|
||||
ssb.append(domain).append('=').append(Integer.toString(records.length)).append('\n');
|
||||
for (DnsHelper.DnsRecord r : records)
|
||||
if (r.response.contains("spf")) {
|
||||
result.add(new Pair<>(domain, r));
|
||||
for (String part : r.response.split("\\s+"))
|
||||
if (part.toLowerCase(Locale.ROOT).startsWith("include:")) {
|
||||
String sub = part.substring("include:".length());
|
||||
result.addAll(lookupSpf(context, sub, ssb));
|
||||
}
|
||||
}
|
||||
} catch (Throwable ex) {
|
||||
Log.w(ex);
|
||||
ssb.append(ex.toString()).append('\n');
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue