176 lines
4.6 KiB
Java
176 lines
4.6 KiB
Java
package eu.siacs.conversations.utils;
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import android.net.Uri;
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import java.io.UnsupportedEncodingException;
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import java.net.URLDecoder;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Locale;
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import eu.siacs.conversations.xmpp.jid.InvalidJidException;
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import eu.siacs.conversations.xmpp.jid.Jid;
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public class XmppUri {
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protected String jid;
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protected boolean muc;
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protected List<Fingerprint> fingerprints = new ArrayList<>();
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private String body;
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public static final String OMEMO_URI_PARAM = "omemo-sid-";
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public static final String OTR_URI_PARAM = "otr-fingerprint";
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public XmppUri(String uri) {
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try {
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parse(Uri.parse(uri));
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} catch (IllegalArgumentException e) {
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try {
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jid = Jid.fromString(uri).toBareJid().toString();
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} catch (InvalidJidException e2) {
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jid = null;
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}
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}
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}
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public XmppUri(Uri uri) {
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parse(uri);
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}
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protected void parse(Uri uri) {
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String scheme = uri.getScheme();
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String host = uri.getHost();
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List<String> segments = uri.getPathSegments();
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if ("https".equalsIgnoreCase(scheme) && "conversations.im".equalsIgnoreCase(host)) {
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if (segments.size() >= 2 && segments.get(1).contains("@")) {
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// sample : https://conversations.im/i/foo@bar.com
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try {
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jid = Jid.fromString(segments.get(1)).toString();
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} catch (Exception e) {
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jid = null;
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}
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} else if (segments.size() >= 3) {
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// sample : https://conversations.im/i/foo/bar.com
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jid = segments.get(1) + "@" + segments.get(2);
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}
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muc = segments.size() > 1 && "j".equalsIgnoreCase(segments.get(0));
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} else if ("xmpp".equalsIgnoreCase(scheme)) {
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// sample: xmpp:foo@bar.com
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muc = isMuc(uri.getQuery());
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if (uri.getAuthority() != null) {
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jid = uri.getAuthority();
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} else {
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jid = uri.getSchemeSpecificPart().split("\\?")[0];
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}
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this.fingerprints = parseFingerprints(uri.getQuery());
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this.body = parseBody(uri.getQuery());
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} else if ("imto".equalsIgnoreCase(scheme)) {
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// sample: imto://xmpp/foo@bar.com
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try {
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jid = URLDecoder.decode(uri.getEncodedPath(), "UTF-8").split("/")[1];
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} catch (final UnsupportedEncodingException ignored) {
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jid = null;
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}
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} else {
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try {
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jid = Jid.fromString(uri.toString()).toBareJid().toString();
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} catch (final InvalidJidException ignored) {
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jid = null;
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}
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}
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}
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protected List<Fingerprint> parseFingerprints(String query) {
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List<Fingerprint> fingerprints = new ArrayList<>();
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String[] pairs = query == null ? new String[0] : query.split(";");
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for(String pair : pairs) {
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String[] parts = pair.split("=",2);
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if (parts.length == 2) {
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String key = parts[0].toLowerCase(Locale.US);
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String value = parts[1].toLowerCase(Locale.US);
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if (OTR_URI_PARAM.equals(key)) {
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fingerprints.add(new Fingerprint(FingerprintType.OTR,value));
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}
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if (key.startsWith(OMEMO_URI_PARAM)) {
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try {
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int id = Integer.parseInt(key.substring(OMEMO_URI_PARAM.length()));
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fingerprints.add(new Fingerprint(FingerprintType.OMEMO,value,id));
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} catch (Exception e) {
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//ignoring invalid device id
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}
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}
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}
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}
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return fingerprints;
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}
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protected String parseBody(String query) {
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for(String pair : query == null ? new String[0] : query.split(";")) {
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final String[] parts = pair.split("=",2);
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if (parts.length == 2 && "body".equals(parts[0].toLowerCase(Locale.US))) {
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try {
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return URLDecoder.decode(parts[1],"UTF-8");
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} catch (UnsupportedEncodingException e) {
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return null;
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}
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}
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}
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return null;
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}
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protected boolean isMuc(String query) {
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for(String pair : query == null ? new String[0] : query.split(";")) {
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final String[] parts = pair.split("=",2);
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if (parts.length == 1 && "join".equals(parts[0])) {
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return true;
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}
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}
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return false;
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}
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public Jid getJid() {
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try {
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return this.jid == null ? null :Jid.fromString(this.jid.toLowerCase());
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} catch (InvalidJidException e) {
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return null;
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}
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}
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public String getBody() {
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return body;
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}
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public List<Fingerprint> getFingerprints() {
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return this.fingerprints;
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}
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public boolean hasFingerprints() {
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return fingerprints.size() > 0;
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}
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public enum FingerprintType {
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OMEMO,
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OTR
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}
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public static class Fingerprint {
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public final FingerprintType type;
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public final String fingerprint;
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public final int deviceId;
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public Fingerprint(FingerprintType type, String fingerprint) {
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this(type, fingerprint, 0);
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}
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public Fingerprint(FingerprintType type, String fingerprint, int deviceId) {
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this.type = type;
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this.fingerprint = fingerprint;
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this.deviceId = deviceId;
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}
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@Override
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public String toString() {
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return type.toString()+": "+fingerprint+(deviceId != 0 ? " "+String.valueOf(deviceId) : "");
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}
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}
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}
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