refactored xmpp uri parsing to expose all params
This commit is contained in:
Daniel Gultsch
parent
1dad70fbc3
commit
4e0f05f0a1
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@ -1,15 +1,19 @@
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package eu.siacs.conversations.utils;
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import android.net.Uri;
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import android.util.Log;
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import android.support.annotation.NonNull;
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import com.google.common.collect.ImmutableList;
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import com.google.common.collect.ImmutableMap;
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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.Collections;
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import java.util.List;
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import java.util.Locale;
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import java.util.Map;
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import eu.siacs.conversations.Config;
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import rocks.xmpp.addr.Jid;
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public class XmppUri {
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@ -17,9 +21,7 @@ public class XmppUri {
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protected Uri uri;
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protected String jid;
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private List<Fingerprint> fingerprints = new ArrayList<>();
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private String body;
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private String name;
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private String action;
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private Map<String,String> parameters = Collections.emptyMap();
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private boolean safeSource = true;
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private static final String OMEMO_URI_PARAM = "omemo-sid-";
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@ -66,7 +68,6 @@ public class XmppUri {
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try {
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jid = Jid.of(lameUrlDecode(segments.get(1))).toString();
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} catch (Exception e) {
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Log.d(Config.LOGTAG, "parsing failed ", e);
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jid = null;
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}
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} else if (segments.size() >= 3) {
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@ -74,33 +75,24 @@ public class XmppUri {
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jid = segments.get(1) + "@" + segments.get(2);
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}
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if (segments.size() > 1 && "j".equalsIgnoreCase(segments.get(0))) {
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action = ACTION_JOIN;
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this.parameters = ImmutableMap.of(ACTION_JOIN, "");
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}
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fingerprints = parseFingerprints(uri.getQuery(), '&');
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final Map<String,String> parameters = parseParameters(uri.getQuery(), '&');
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this.fingerprints = parseFingerprints(parameters);
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} else if ("xmpp".equalsIgnoreCase(scheme)) {
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// sample: xmpp:foo@bar.com
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final String query = uri.getQuery();
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if (hasAction(query, ACTION_JOIN)) {
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this.action = ACTION_JOIN;
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} else if (hasAction(query, ACTION_MESSAGE)) {
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this.action = ACTION_MESSAGE;
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}
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this.parameters = parseParameters(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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String[] parts = uri.getSchemeSpecificPart().split("\\?");
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final String[] parts = uri.getSchemeSpecificPart().split("\\?");
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if (parts.length > 0) {
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jid = parts[0];
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} else {
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return;
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}
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}
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this.fingerprints = parseFingerprints(uri.getQuery());
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this.body = parseParameter("body", uri.getQuery());
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this.name = parseParameter("name", uri.getQuery());
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this.fingerprints = parseFingerprints(parameters);
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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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@ -117,6 +109,35 @@ public class XmppUri {
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}
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}
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private static Map<String,String> parseParameters(final String query, final char seperator) {
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final ImmutableMap.Builder<String,String> builder = new ImmutableMap.Builder<>();
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final String[] pairs = query == null ? new String[0] : query.split(String.valueOf(seperator));
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for (String pair : pairs) {
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final String[] parts = pair.split("=", 2);
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if (parts.length == 0) {
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continue;
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}
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final String key = parts[0].toLowerCase(Locale.US);
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final String value;
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if (parts.length == 2) {
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String decoded;
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try {
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decoded = URLDecoder.decode(parts[1],"UTF-8");
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} catch (UnsupportedEncodingException e) {
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decoded = "";
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}
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value = decoded;
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} else {
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value = "";
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}
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builder.put(key, value);
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}
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return builder.build();
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}
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@Override
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@NonNull
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public String toString() {
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if (uri != null) {
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return uri.toString();
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@ -124,58 +145,25 @@ public class XmppUri {
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return "";
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}
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private List<Fingerprint> parseFingerprints(String query) {
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return parseFingerprints(query, ';');
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}
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private List<Fingerprint> parseFingerprints(String query, char seperator) {
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List<Fingerprint> fingerprints = new ArrayList<>();
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String[] pairs = query == null ? new String[0] : query.split(String.valueOf(seperator));
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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 (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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private String parseParameter(String key, 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 && key.equals(parts[0].toLowerCase(Locale.US))) {
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private static List<Fingerprint> parseFingerprints(Map<String,String> parameters) {
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ImmutableList.Builder<Fingerprint> builder = new ImmutableList.Builder<>();
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for (Map.Entry<String, String> parameter : parameters.entrySet()) {
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final String key = parameter.getKey();
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final String value = parameter.getValue().toLowerCase(Locale.US);
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if (key.startsWith(OMEMO_URI_PARAM)) {
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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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final int id = Integer.parseInt(key.substring(OMEMO_URI_PARAM.length()));
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builder.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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return null;
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}
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private boolean hasAction(String query, String action) {
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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 && parts[0].toLowerCase(Locale.US).startsWith(action)) {
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return true;
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}
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}
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return false;
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return builder.build();
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}
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public boolean isAction(final String action) {
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return this.action != null && this.action.equals(action);
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return parameters.containsKey(action);
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}
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public Jid getJid() {
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@ -199,11 +187,11 @@ public class XmppUri {
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}
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public String getBody() {
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return body;
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return parameters.get("body");
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}
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public String getName() {
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return name;
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return parameters.get("name");
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}
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public List<Fingerprint> getFingerprints() {
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@ -218,7 +206,7 @@ public class XmppUri {
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OMEMO
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}
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public static String getFingerprintUri(String base, List<XmppUri.Fingerprint> fingerprints, char seperator) {
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public static String getFingerprintUri(String base, List<XmppUri.Fingerprint> fingerprints, char separator) {
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StringBuilder builder = new StringBuilder(base);
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builder.append('?');
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for (int i = 0; i < fingerprints.size(); ++i) {
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@ -230,7 +218,7 @@ public class XmppUri {
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builder.append('=');
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builder.append(fingerprints.get(i).fingerprint);
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if (i != fingerprints.size() - 1) {
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builder.append(seperator);
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builder.append(separator);
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}
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}
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return builder.toString();
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@ -247,9 +235,10 @@ public class XmppUri {
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this.deviceId = deviceId;
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}
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@NonNull
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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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return type.toString() + ": " + fingerprint + (deviceId != 0 ? " " + deviceId : "");
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}
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}
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