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package org.sufficientlysecure.keychain.pgp.linked;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.pgp.linked.resources.DnsResource;
import org.sufficientlysecure.keychain.pgp.linked.resources.GenericHttpsResource;
import org.sufficientlysecure.keychain.pgp.linked.resources.GithubResource;
import org.sufficientlysecure.keychain.pgp.linked.resources.TwitterResource;
import org.sufficientlysecure.keychain.util.Log;
import java.net.URI;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Set;
import java.util.regex.Pattern;
import android.content.Context;
import android.content.Intent;
import android.support.annotation.DrawableRes;
import android.support.annotation.StringRes;
public abstract class LinkedResource {
protected final URI mSubUri;
protected final Set<String> mFlags;
protected final HashMap<String,String> mParams;
public static Pattern magicPattern =
Pattern.compile("\\[Verifying my (?:Open)?PGP key: openpgp4fpr:([a-zA-Z0-9]+)]");
protected LinkedResource(Set<String> flags, HashMap<String, String> params, URI uri) {
mFlags = flags;
mParams = params;
mSubUri = uri;
}
public Set<String> getFlags () {
return new HashSet<>(mFlags);
}
public HashMap<String,String> getParams () {
return new HashMap<>(mParams);
}
protected static LinkedCookieResource fromUri (URI uri) {
if (!"openpgpid+cookie".equals(uri.getScheme())) {
Log.e(Constants.TAG, "unknown uri scheme in (suspected) linked id packet");
return null;
}
if (!uri.isOpaque()) {
Log.e(Constants.TAG, "non-opaque uri in (suspected) linked id packet");
return null;
}
String specific = uri.getSchemeSpecificPart();
if (!specific.contains("@")) {
Log.e(Constants.TAG, "unknown uri scheme in linked id packet");
return null;
}
String[] pieces = specific.split("@", 2);
URI subUri = URI.create(pieces[1]);
Set<String> flags = new HashSet<>();
HashMap<String,String> params = new HashMap<>();
if (!pieces[0].isEmpty()) {
String[] rawParams = pieces[0].split(";");
for (String param : rawParams) {
String[] p = param.split("=", 2);
if (p.length == 1) {
flags.add(param);
} else {
params.put(p[0], p[1]);
}
}
}
return findResourceType(flags, params, subUri);
}
protected static LinkedCookieResource findResourceType (Set<String> flags,
HashMap<String,String> params,
URI subUri) {
LinkedCookieResource res;
res = GenericHttpsResource.create(flags, params, subUri);
if (res != null) {
return res;
}
res = DnsResource.create(flags, params, subUri);
if (res != null) {
return res;
}
res = TwitterResource.create(flags, params, subUri);
if (res != null) {
return res;
}
res = GithubResource.create(flags, params, subUri);
if (res != null) {
return res;
}
return null;
}
public abstract @DrawableRes int getDisplayIcon();
public abstract @StringRes int getVerifiedText(boolean isSecret);
public abstract String getDisplayTitle(Context context);
public abstract String getDisplayComment(Context context);
public boolean isViewable() {
return false;
}
public Intent getViewIntent() {
return null;
}
}
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