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PSL refactoring

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M66B
2022-05-02 09:55:27 +02:00
parent 682acc879b
commit 65bf57094d
9 changed files with 70 additions and 48 deletions
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75
app/src/main/java/eu/faircode/email/UriHelper.java
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@@ -86,49 +86,64 @@ public class UriHelper {
static String getParentDomain(Context context, String host) {
if (host == null)
return null;
String parent = _getSuffix(context, host);
return (parent == null ? host : parent);
int dot = host.indexOf('.');
if (dot < 0)
return null;
String parent = host.substring(dot + 1);
String tld = getTld(context, host);
if (tld == null || tld.equals(parent) || parent.length() < tld.length())
return null;
return parent;
}
static boolean hasParentDomain(Context context, String host) {
return (host != null && _getSuffix(context, host) != null);
static String getRootDomain(Context context, String host) {
if (host == null)
return null;
String tld = getTld(context, host);
if (tld == null)
return null;
if (tld.equals(host))
return null;
int dot = host.substring(0, host.length() - tld.length() - 1).lastIndexOf('.');
if (dot < 0)
return host;
return host.substring(dot + 1);
}
static boolean isTld(Context context, String host) {
ensureSuffixList(context);
synchronized (suffixList) {
int d = host.indexOf('.');
String w = (d < 0 ? null : '*' + host.substring(d));
return (!suffixList.contains('!' + host) &&
!suffixList.contains(w) &&
suffixList.contains(host));
}
if (host == null)
return false;
String tld = getTld(context, host);
return (tld != null && tld.equals(host));
}
private static String _getSuffix(Context context, @NonNull String host) {
static boolean hasTld(Context context, String host) {
return (getTld(context, host) != null);
}
static String getTld(Context context, @NonNull String host) {
ensureSuffixList(context);
String h = host.toLowerCase(Locale.ROOT);
String eval = host.toLowerCase(Locale.ROOT);
while (true) {
int dot = h.indexOf('.');
int d = eval.indexOf('.');
String w = (d < 0 ? null : '*' + eval.substring(d));
synchronized (suffixList) {
if (suffixList.contains(eval))
return eval;
if (suffixList.contains(w))
if (suffixList.contains('!' + eval))
return eval.substring(d + 1);
else
return eval;
}
int dot = eval.indexOf('.');
if (dot < 0)
return null;
String prefix = h.substring(0, dot);
h = h.substring(dot + 1);
int d = h.indexOf('.');
String w = (d < 0 ? null : '*' + h.substring(d));
synchronized (suffixList) {
if (!suffixList.contains('!' + h) &&
(suffixList.contains(h) || suffixList.contains(w))) {
String parent = prefix + "." + h;
Log.d("Host=" + host + " parent=" + parent);
return parent;
}
}
eval = eval.substring(dot + 1);
}
}