~singpolyma/cheogram-android

4e0f05f0a1c3517c596c4196ffd25f2be3b2e3f0 — Daniel Gultsch 4 years ago 1dad70f
refactored xmpp uri parsing to expose all params
1 files changed, 58 insertions(+), 69 deletions(-)

M src/main/java/eu/siacs/conversations/utils/XmppUri.java
M src/main/java/eu/siacs/conversations/utils/XmppUri.java => src/main/java/eu/siacs/conversations/utils/XmppUri.java +58 -69
@@ 1,15 1,19 @@
package eu.siacs.conversations.utils;

import android.net.Uri;
import android.util.Log;
import android.support.annotation.NonNull;

import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;

import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Locale;
import java.util.Map;

import eu.siacs.conversations.Config;
import rocks.xmpp.addr.Jid;

public class XmppUri {


@@ 17,9 21,7 @@ public class XmppUri {
	protected Uri uri;
	protected String jid;
	private List<Fingerprint> fingerprints = new ArrayList<>();
	private String body;
	private String name;
	private String action;
	private Map<String,String> parameters = Collections.emptyMap();
	private boolean safeSource = true;

	private static final String OMEMO_URI_PARAM = "omemo-sid-";


@@ 66,7 68,6 @@ public class XmppUri {
				try {
					jid = Jid.of(lameUrlDecode(segments.get(1))).toString();
				} catch (Exception e) {
					Log.d(Config.LOGTAG, "parsing failed ", e);
					jid = null;
				}
			} else if (segments.size() >= 3) {


@@ 74,33 75,24 @@ public class XmppUri {
				jid = segments.get(1) + "@" + segments.get(2);
			}
			if (segments.size() > 1 && "j".equalsIgnoreCase(segments.get(0))) {
				action = ACTION_JOIN;
				this.parameters = ImmutableMap.of(ACTION_JOIN, "");
			}
			fingerprints = parseFingerprints(uri.getQuery(), '&');
			final Map<String,String> parameters = parseParameters(uri.getQuery(), '&');
			this.fingerprints = parseFingerprints(parameters);
		} else if ("xmpp".equalsIgnoreCase(scheme)) {
			// sample: xmpp:foo@bar.com

			final String query = uri.getQuery();

			if (hasAction(query, ACTION_JOIN)) {
				this.action = ACTION_JOIN;
			} else if (hasAction(query, ACTION_MESSAGE)) {
				this.action = ACTION_MESSAGE;
			}

			this.parameters = parseParameters(uri.getQuery(), ';');
			if (uri.getAuthority() != null) {
				jid = uri.getAuthority();
			} else {
				String[] parts = uri.getSchemeSpecificPart().split("\\?");
				final String[] parts = uri.getSchemeSpecificPart().split("\\?");
				if (parts.length > 0) {
					jid = parts[0];
				} else {
					return;
				}
			}
			this.fingerprints = parseFingerprints(uri.getQuery());
			this.body = parseParameter("body", uri.getQuery());
			this.name = parseParameter("name", uri.getQuery());
			this.fingerprints = parseFingerprints(parameters);
		} else if ("imto".equalsIgnoreCase(scheme)) {
			// sample: imto://xmpp/foo@bar.com
			try {


@@ 117,65 109,61 @@ public class XmppUri {
		}
	}

	public String toString() {
		if (uri != null) {
			return uri.toString();
		}
		return "";
	}

	private List<Fingerprint> parseFingerprints(String query) {
		return parseFingerprints(query, ';');
	}

	private List<Fingerprint> parseFingerprints(String query, char seperator) {
		List<Fingerprint> fingerprints = new ArrayList<>();
		String[] pairs = query == null ? new String[0] : query.split(String.valueOf(seperator));
	private static Map<String,String> parseParameters(final String query, final char seperator) {
		final ImmutableMap.Builder<String,String> builder = new ImmutableMap.Builder<>();
		final String[] pairs = query == null ? new String[0] : query.split(String.valueOf(seperator));
		for (String pair : pairs) {
			String[] parts = pair.split("=", 2);
			final String[] parts = pair.split("=", 2);
			if (parts.length == 0) {
				continue;
			}
			final String key = parts[0].toLowerCase(Locale.US);
			final String value;
			if (parts.length == 2) {
				String key = parts[0].toLowerCase(Locale.US);
				String value = parts[1].toLowerCase(Locale.US);
				if (key.startsWith(OMEMO_URI_PARAM)) {
					try {
						int id = Integer.parseInt(key.substring(OMEMO_URI_PARAM.length()));
						fingerprints.add(new Fingerprint(FingerprintType.OMEMO, value, id));
					} catch (Exception e) {
						//ignoring invalid device id
					}
				String decoded;
				try {
					decoded = URLDecoder.decode(parts[1],"UTF-8");
				} catch (UnsupportedEncodingException e) {
					decoded = "";
				}
				value = decoded;
			} else {
				value = "";
			}
			builder.put(key, value);
		}
		return fingerprints;
		return builder.build();
	}

	private String parseParameter(String key, String query) {
		for (String pair : query == null ? new String[0] : query.split(";")) {
			final String[] parts = pair.split("=", 2);
			if (parts.length == 2 && key.equals(parts[0].toLowerCase(Locale.US))) {
				try {
					return URLDecoder.decode(parts[1], "UTF-8");
				} catch (UnsupportedEncodingException e) {
					return null;
				}
			}
	@Override
	@NonNull
	public String toString() {
		if (uri != null) {
			return uri.toString();
		}
		return null;
		return "";
	}

	private boolean hasAction(String query, String action) {
		for (String pair : query == null ? new String[0] : query.split(";")) {
			final String[] parts = pair.split("=", 2);
			if (parts.length == 1 && parts[0].toLowerCase(Locale.US).startsWith(action)) {
				return true;
	private static List<Fingerprint> parseFingerprints(Map<String,String> parameters) {
		ImmutableList.Builder<Fingerprint> builder = new ImmutableList.Builder<>();
		for (Map.Entry<String, String> parameter : parameters.entrySet()) {
			final String key = parameter.getKey();
			final String value = parameter.getValue().toLowerCase(Locale.US);
			if (key.startsWith(OMEMO_URI_PARAM)) {
				try {
					final int id = Integer.parseInt(key.substring(OMEMO_URI_PARAM.length()));
					builder.add(new Fingerprint(FingerprintType.OMEMO, value, id));
				} catch (Exception e) {
					//ignoring invalid device id
				}
			}
		}
		return false;
		return builder.build();
	}

	public boolean isAction(final String action) {
		return this.action != null && this.action.equals(action);

		return parameters.containsKey(action);
	}

	public Jid getJid() {


@@ 199,11 187,11 @@ public class XmppUri {
	}

	public String getBody() {
		return body;
		return parameters.get("body");
	}

	public String getName() {
		return name;
		return parameters.get("name");
	}

	public List<Fingerprint> getFingerprints() {


@@ 218,7 206,7 @@ public class XmppUri {
		OMEMO
	}

	public static String getFingerprintUri(String base, List<XmppUri.Fingerprint> fingerprints, char seperator) {
	public static String getFingerprintUri(String base, List<XmppUri.Fingerprint> fingerprints, char separator) {
		StringBuilder builder = new StringBuilder(base);
		builder.append('?');
		for (int i = 0; i < fingerprints.size(); ++i) {


@@ 230,7 218,7 @@ public class XmppUri {
			builder.append('=');
			builder.append(fingerprints.get(i).fingerprint);
			if (i != fingerprints.size() - 1) {
				builder.append(seperator);
				builder.append(separator);
			}
		}
		return builder.toString();


@@ 247,9 235,10 @@ public class XmppUri {
			this.deviceId = deviceId;
		}

		@NonNull
		@Override
		public String toString() {
			return type.toString() + ": " + fingerprint + (deviceId != 0 ? " " + String.valueOf(deviceId) : "");
			return type.toString() + ": " + fingerprint + (deviceId != 0 ? " " + deviceId : "");
		}
	}