diff --git a/app/src/main/java/eu/faircode/email/ActivityDmarc.java b/app/src/main/java/eu/faircode/email/ActivityDmarc.java index 878f47dacb..4bb72218ca 100644 --- a/app/src/main/java/eu/faircode/email/ActivityDmarc.java +++ b/app/src/main/java/eu/faircode/email/ActivityDmarc.java @@ -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; @@ -121,499 +124,515 @@ 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> 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; + 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); + } - 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 = ""; - 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(' '); - } + return ssb; + } + + @Override + protected void onExecuted(Bundle args, Spanned dmarc) { + tvDmarc.setText(dmarc); + grpReady.setVisibility(View.VISIBLE); + } + + @Override + protected void onException(Bundle args, @NonNull Throwable ex) { + if (ex instanceof NoStreamException) + ((NoStreamException) ex).report(ActivityDmarc.this); + else + tvDmarc.setText(ex + "\n" + android.util.Log.getStackTraceString(ex)); + grpReady.setVisibility(View.VISIBLE); + } + }.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> 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 = ""; + 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 = ""; - ssb.append(text).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 = ""; + 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 = ""; - 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 "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 = ""; + 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 = ""; - Integer pct = Helper.parseInt(text); - if (pct == null) - ssb.append(name).append('=') - .append(text).append(' '); - else - ssb.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 = ""; + 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 = ""; - ssb.append(name).append('=') - .append(text).append(' '); - if ("source_ip".equals(name)) { - try { - Boolean valid = null; - String because = null; - if (spf != null) - for (Pair 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 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 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 "source_ip": + case "count": + if (feedback && record && row) { + eventType = xml.next(); + if (eventType == XmlPullParser.TEXT) { + String text = xml.getText(); + if (text == null) + text = ""; + 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 = ""; - 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) { + } + 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(result == null ? "?" : result).append('='); + ssb.append(name).append('='); int start = ssb.length(); String text = xml.getText(); if (text == null) text = ""; ssb.append(text); - if (!"pass".equals(text.toLowerCase(Locale.ROOT))) { + + 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(' '); } - } - break; - case "selector": - case "scope": - if (feedback && auth_results) { - eventType = xml.next(); - if (eventType == XmlPullParser.TEXT) { - String text = xml.getText(); - if (text == null) - text = ""; - ssb.append(name).append('=') - .append(text).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 = ""; + 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; - } + } + break; + case "selector": + case "scope": + if (feedback && auth_results) { + eventType = xml.next(); + if (eventType == XmlPullParser.TEXT) { + String text = xml.getText(); + if (text == null) + text = ""; + 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"); - } + 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 p : spf) { - ssb.append(p.first).append(' ') - .append(p.second.response).append("\n\n"); - if (start == null) - start = ssb.length(); + } 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 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 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 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 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; } - ssb.append(extra); - if (start != null) { - ssb.setSpan(new RelativeSizeSpan(HtmlHelper.FONT_SMALL), start, ssb.length(), 0); - ssb.append("\n"); + } else { + if (ConnectionHelper.inSubnet(text, a.response, prefix)) { + valid = allow; + because = (allow ? '+' : '-') + ip + " in " + domain + "/" + prefix; + break; } - - List records = new ArrayList<>(); + } + } 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 as = new ArrayList<>(); try { - records.addAll(Arrays.asList( - DnsHelper.lookup(context, "_dmarc." + lastDomain, "txt"))); + as.addAll(Arrays.asList(DnsHelper.lookup(context, mx.response, "a"))); } catch (UnknownHostException ignored) { } try { - records.addAll(Arrays.asList( - DnsHelper.lookup(context, "default._bimi." + lastDomain, "txt"))); + as.addAll(Arrays.asList(DnsHelper.lookup(context, mx.response, "aaaa"))); } catch (UnknownHostException ignored) { } - for (DnsHelper.DnsRecord r : records) - ssb.append(r.response).append("\n"); - ssb.append("\n"); + 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) { } - 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"); - } + } else if ("ptr".equals(ip) || ip.startsWith("ptr:")) { + valid = false; + because = (allow ? '+' : '-') + ip + " ptr not supported"; + } + if (valid != null) break; } + if (valid != null) + break; } - eventType = xml.next(); - } - - 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); + ssb.append(Boolean.TRUE.equals(valid) ? "valid" : "invalid"); + if (because != null) + ssb.append(" (").append(because).append(')'); - return ssb; - } + if (!Boolean.TRUE.equals(valid)) { + ssb.setSpan(new StyleSpan(Typeface.BOLD), start, ssb.length(), 0); + ssb.setSpan(new ForegroundColorSpan(colorWarning), start, ssb.length(), 0); + } - @Override - protected void onExecuted(Bundle args, Spanned dmarc) { - tvDmarc.setText(dmarc); - grpReady.setVisibility(View.VISIBLE); + ssb.append(' '); + } catch (Throwable ex) { + Log.w(ex); + ssb.append(ex.toString()).append('\n'); } - @Override - protected void onException(Bundle args, @NonNull Throwable ex) { - if (ex instanceof NoStreamException) - ((NoStreamException) ex).report(ActivityDmarc.this); - else - tvDmarc.setText(ex + "\n" + android.util.Log.getStackTraceString(ex)); - grpReady.setVisibility(View.VISIBLE); + 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 List> lookupSpf(Context context, String domain, SpannableStringBuilder ssb) { - List> 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; + private static List> lookupSpf(Context context, String domain, SpannableStringBuilder ssb) { + List> 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'); } - }.execute(this, args, "dmarc:decode"); + + return result; + } } }