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fixed caps hash generation for empty form values

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This commit is contained in:
Daniel Gultsch 2018-04-22 11:07:00 +02:00
parent 956f7c6812
commit 2a9413e64d
4 changed files with 155 additions and 157 deletions
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4
src/main/java/eu/siacs/conversations/entities/Presence.java
View file

@ -1,5 +1,7 @@
package eu.siacs.conversations.entities;
import android.support.annotation.NonNull;
import java.lang.Comparable;
import java.util.Locale;
@ -62,7 +64,7 @@ public class Presence implements Comparable {
return new Presence(Status.fromShowString(show), ver, hash, node, message);
}
public int compareTo(Object other) {
public int compareTo(@NonNull Object other) {
return this.status.compareTo(((Presence)other).status);
}

278
src/main/java/eu/siacs/conversations/entities/ServiceDiscoveryResult.java
View file

@ -2,7 +2,10 @@ package eu.siacs.conversations.entities;
import android.content.ContentValues;
import android.database.Cursor;
import android.support.annotation.NonNull;
import android.util.Base64;
import android.util.Log;
import java.io.UnsupportedEncodingException;
import java.lang.Comparable;
import java.security.MessageDigest;
@ -16,6 +19,7 @@ import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import eu.siacs.conversations.Config;
import eu.siacs.conversations.xml.Element;
import eu.siacs.conversations.xml.Namespace;
import eu.siacs.conversations.xmpp.forms.Data;
@ -27,95 +31,11 @@ public class ServiceDiscoveryResult {
public static final String HASH = "hash";
public static final String VER = "ver";
public static final String RESULT = "result";
protected static String blankNull(String s) {
return s == null ? "" : s;
}
public static class Identity implements Comparable {
protected final String category;
protected final String type;
protected final String lang;
protected final String name;
public Identity(final String category, final String type, final String lang, final String name) {
this.category = category;
this.type = type;
this.lang = lang;
this.name = name;
}
public Identity(final Element el) {
this(
el.getAttribute("category"),
el.getAttribute("type"),
el.getAttribute("xml:lang"),
el.getAttribute("name")
);
}
public Identity(final JSONObject o) {
this(
o.optString("category", null),
o.optString("type", null),
o.optString("lang", null),
o.optString("name", null)
);
}
public String getCategory() {
return this.category;
}
public String getType() {
return this.type;
}
public String getLang() {
return this.lang;
}
public String getName() {
return this.name;
}
public int compareTo(Object other) {
Identity o = (Identity)other;
int r = blankNull(this.getCategory()).compareTo(blankNull(o.getCategory()));
if(r == 0) {
r = blankNull(this.getType()).compareTo(blankNull(o.getType()));
}
if(r == 0) {
r = blankNull(this.getLang()).compareTo(blankNull(o.getLang()));
}
if(r == 0) {
r = blankNull(this.getName()).compareTo(blankNull(o.getName()));
}
return r;
}
public JSONObject toJSON() {
try {
JSONObject o = new JSONObject();
o.put("category", this.getCategory());
o.put("type", this.getType());
o.put("lang", this.getLang());
o.put("name", this.getName());
return o;
} catch(JSONException e) {
return null;
}
}
}
protected final String hash;
protected final byte[] ver;
protected final List<Identity> identities;
protected final List<String> features;
protected final List<Data> forms;
private final List<Identity> identities;
public ServiceDiscoveryResult(final IqPacket packet) {
this.identities = new ArrayList<>();
this.features = new ArrayList<>();
@ -140,8 +60,7 @@ public class ServiceDiscoveryResult {
}
this.ver = this.mkCapHash();
}
public ServiceDiscoveryResult(String hash, byte[] ver, JSONObject o) throws JSONException {
private ServiceDiscoveryResult(String hash, byte[] ver, JSONObject o) throws JSONException {
this.identities = new ArrayList<>();
this.features = new ArrayList<>();
this.forms = new ArrayList<>();
@ -162,21 +81,37 @@ public class ServiceDiscoveryResult {
}
JSONArray forms = o.optJSONArray("forms");
if (forms != null) {
for(int i = 0; i < forms.length(); i++) {
for (int i = 0; i < forms.length(); i++) {
this.forms.add(createFormFromJSONObject(forms.getJSONObject(i)));
}
}
}
public ServiceDiscoveryResult(Cursor cursor) throws JSONException {
this(
cursor.getString(cursor.getColumnIndex(HASH)),
Base64.decode(cursor.getString(cursor.getColumnIndex(VER)), Base64.DEFAULT),
new JSONObject(cursor.getString(cursor.getColumnIndex(RESULT)))
);
}
private static String clean(String s) {
return s.replace("<","&lt;");
}
private static String blankNull(String s) {
return s == null ? "" : clean(s);
}
private static Data createFormFromJSONObject(JSONObject o) {
Data data = new Data();
JSONArray names = o.names();
for(int i = 0; i < names.length(); ++i) {
for (int i = 0; i < names.length(); ++i) {
try {
String name = names.getString(i);
JSONArray jsonValues = o.getJSONArray(name);
ArrayList<String> values = new ArrayList<>(jsonValues.length());
for(int j = 0; j < jsonValues.length(); ++j) {
for (int j = 0; j < jsonValues.length(); ++j) {
values.add(jsonValues.getString(j));
}
data.put(name, values);
@ -189,14 +124,14 @@ public class ServiceDiscoveryResult {
private static JSONObject createJSONFromForm(Data data) {
JSONObject object = new JSONObject();
for(Field field : data.getFields()) {
for (Field field : data.getFields()) {
try {
JSONArray jsonValues = new JSONArray();
for(String value : field.getValues()) {
for (String value : field.getValues()) {
jsonValues.put(value);
}
object.put(field.getFieldName(), jsonValues);
} catch(Exception e) {
} catch (Exception e) {
e.printStackTrace();
}
}
@ -204,7 +139,7 @@ public class ServiceDiscoveryResult {
JSONArray jsonValues = new JSONArray();
jsonValues.put(data.getFormType());
object.put(Data.FORM_TYPE, jsonValues);
} catch(Exception e) {
} catch (Exception e) {
e.printStackTrace();
}
return object;
@ -214,14 +149,6 @@ public class ServiceDiscoveryResult {
return new String(Base64.encode(this.ver, Base64.DEFAULT)).trim();
}
public ServiceDiscoveryResult(Cursor cursor) throws JSONException {
this(
cursor.getString(cursor.getColumnIndex(HASH)),
Base64.decode(cursor.getString(cursor.getColumnIndex(VER)), Base64.DEFAULT),
new JSONObject(cursor.getString(cursor.getColumnIndex(RESULT)))
);
}
public List<Identity> getIdentities() {
return this.identities;
}
@ -231,9 +158,9 @@ public class ServiceDiscoveryResult {
}
public boolean hasIdentity(String category, String type) {
for(Identity id : this.getIdentities()) {
if((category == null || id.getCategory().equals(category)) &&
(type == null || id.getType().equals(type))) {
for (Identity id : this.getIdentities()) {
if ((category == null || id.getCategory().equals(category)) &&
(type == null || id.getType().equals(type))) {
return true;
}
}
@ -242,9 +169,9 @@ public class ServiceDiscoveryResult {
}
public String getExtendedDiscoInformation(String formType, String name) {
for(Data form : this.forms) {
for (Data form : this.forms) {
if (formType.equals(form.getFormType())) {
for(Field field: form.getFields()) {
for (Field field : form.getFields()) {
if (name.equals(field.getFieldName())) {
return field.getValue();
}
@ -254,50 +181,42 @@ public class ServiceDiscoveryResult {
return null;
}
protected byte[] mkCapHash() {
private byte[] mkCapHash() {
StringBuilder s = new StringBuilder();
List<Identity> identities = this.getIdentities();
Collections.sort(identities);
for(Identity id : identities) {
s.append(
blankNull(id.getCategory()) + "/" +
blankNull(id.getType()) + "/" +
blankNull(id.getLang()) + "/" +
blankNull(id.getName()) + "<"
);
for (Identity id : identities) {
s.append(blankNull(id.getCategory()))
.append("/")
.append(blankNull(id.getType()))
.append("/")
.append(blankNull(id.getLang()))
.append("/")
.append(blankNull(id.getName()))
.append("<");
}
List<String> features = this.getFeatures();
Collections.sort(features);
for (String feature : features) {
s.append(feature + "<");
s.append(clean(feature)).append("<");
}
Collections.sort(forms, new Comparator<Data>() {
@Override
public int compare(Data lhs, Data rhs) {
return lhs.getFormType().compareTo(rhs.getFormType());
}
});
Collections.sort(forms, (lhs, rhs) -> lhs.getFormType().compareTo(rhs.getFormType()));
for(Data form : forms) {
s.append(form.getFormType() + "<");
for (Data form : forms) {
s.append(clean(form.getFormType())).append("<");
List<Field> fields = form.getFields();
Collections.sort(fields, new Comparator<Field>() {
@Override
public int compare(Field lhs, Field rhs) {
return lhs.getFieldName().compareTo(rhs.getFieldName());
}
});
for(Field field : fields) {
s.append(field.getFieldName()+"<");
Collections.sort(fields, (lhs, rhs) -> lhs.getFieldName().compareTo(rhs.getFieldName()));
for (Field field : fields) {
s.append(clean(field.getFieldName())).append("<");
List<String> values = field.getValues();
Collections.sort(values);
for(String value : values) {
s.append(value+"<");
for (String value : values) {
s.append(blankNull(value)).append("<");
}
}
}
@ -311,17 +230,17 @@ public class ServiceDiscoveryResult {
try {
return md.digest(s.toString().getBytes("UTF-8"));
} catch(UnsupportedEncodingException e) {
} catch (UnsupportedEncodingException e) {
return null;
}
}
public JSONObject toJSON() {
private JSONObject toJSON() {
try {
JSONObject o = new JSONObject();
JSONArray ids = new JSONArray();
for(Identity id : this.getIdentities()) {
for (Identity id : this.getIdentities()) {
ids.put(id.toJSON());
}
o.put("identities", ids);
@ -329,13 +248,13 @@ public class ServiceDiscoveryResult {
o.put("features", new JSONArray(this.getFeatures()));
JSONArray forms = new JSONArray();
for(Data data : this.forms) {
for (Data data : this.forms) {
forms.put(createJSONFromForm(data));
}
o.put("forms", forms);
return o;
} catch(JSONException e) {
} catch (JSONException e) {
return null;
}
}
@ -344,7 +263,86 @@ public class ServiceDiscoveryResult {
final ContentValues values = new ContentValues();
values.put(HASH, this.hash);
values.put(VER, getVer());
values.put(RESULT, this.toJSON().toString());
JSONObject jsonObject = toJSON();
values.put(RESULT, jsonObject == null ? "" : jsonObject.toString());
return values;
}
public static class Identity implements Comparable {
protected final String type;
protected final String lang;
protected final String name;
final String category;
Identity(final String category, final String type, final String lang, final String name) {
this.category = category;
this.type = type;
this.lang = lang;
this.name = name;
}
Identity(final Element el) {
this(
el.getAttribute("category"),
el.getAttribute("type"),
el.getAttribute("xml:lang"),
el.getAttribute("name")
);
}
Identity(final JSONObject o) {
this(
o.optString("category", null),
o.optString("type", null),
o.optString("lang", null),
o.optString("name", null)
);
}
public String getCategory() {
return this.category;
}
public String getType() {
return this.type;
}
public String getLang() {
return this.lang;
}
public String getName() {
return this.name;
}
public int compareTo(@NonNull Object other) {
Identity o = (Identity) other;
int r = blankNull(this.getCategory()).compareTo(blankNull(o.getCategory()));
if (r == 0) {
r = blankNull(this.getType()).compareTo(blankNull(o.getType()));
}
if (r == 0) {
r = blankNull(this.getLang()).compareTo(blankNull(o.getLang()));
}
if (r == 0) {
r = blankNull(this.getName()).compareTo(blankNull(o.getName()));
}
return r;
}
JSONObject toJSON() {
try {
JSONObject o = new JSONObject();
o.put("category", this.getCategory());
o.put("type", this.getType());
o.put("lang", this.getLang());
o.put("name", this.getName());
return o;
} catch (JSONException e) {
return null;
}
}
}
}

25
src/main/java/eu/siacs/conversations/services/XmppConnectionService.java
View file

@ -3649,20 +3649,21 @@ public class XmppConnectionService extends Service {
account.inProgressDiscoFetches.add(key);
IqPacket request = new IqPacket(IqPacket.TYPE.GET);
request.setTo(jid);
String node = presence.getNode();
Element query = request.query("http://jabber.org/protocol/disco#info");
if (node != null) {
query.setAttribute("node",node);
final String node = presence.getNode();
final String ver = presence.getVer();
final Element query = request.query("http://jabber.org/protocol/disco#info");
if (node != null && ver != null) {
query.setAttribute("node",node+"#"+ver);
}
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": making disco request for " + key.second + " to " + jid+ "node="+node);
sendIqPacket(account, request, (a, discoPacket) -> {
if (discoPacket.getType() == IqPacket.TYPE.RESULT) {
ServiceDiscoveryResult disco1 = new ServiceDiscoveryResult(discoPacket);
if (presence.getVer().equals(disco1.getVer())) {
databaseBackend.insertDiscoveryResult(disco1);
injectServiceDiscorveryResult(a.getRoster(), presence.getHash(), presence.getVer(), disco1);
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": making disco request for " + key.second + " to " + jid);
sendIqPacket(account, request, (a, response) -> {
if (response.getType() == IqPacket.TYPE.RESULT) {
ServiceDiscoveryResult discoveryResult = new ServiceDiscoveryResult(response);
if (presence.getVer().equals(discoveryResult.getVer())) {
databaseBackend.insertDiscoveryResult(discoveryResult);
injectServiceDiscorveryResult(a.getRoster(), presence.getHash(), presence.getVer(), discoveryResult);
} else {
Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": mismatch in caps for contact " + jid + " " + presence.getVer() + " vs " + disco1.getVer());
Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": mismatch in caps for contact " + jid + " " + presence.getVer() + " vs " + discoveryResult.getVer());
}
}
a.inProgressDiscoFetches.remove(key);

5
src/main/java/eu/siacs/conversations/xmpp/forms/Field.java
View file

@ -58,10 +58,7 @@ public class Field extends Element {
List<String> values = new ArrayList<>();
for(Element child : getChildren()) {
if ("value".equals(child.getName())) {
String content = child.getContent();
if (content != null) {
values.add(content);
}
values.add(child.getContent());
}
}
return values;