@@ -3,6 +3,7 @@ package eu.siacs.conversations.xmpp.jingle;
import android.util.Log;
import android.util.Pair;
+import com.google.common.base.CharMatcher;
import com.google.common.base.Joiner;
import com.google.common.base.Strings;
import com.google.common.collect.ArrayListMultimap;
@@ -131,6 +132,8 @@ public class SessionDescription {
final ImmutableList.Builder<Media> mediaListBuilder = new ImmutableList.Builder<>();
final Group group = contentMap.group;
if (group != null) {
+ final String semantics = group.getSemantics();
+ checkNoWhitespace(semantics, "group semantics value must not contain any whitespace");
attributeMap.put("group", group.getSemantics() + " " + Joiner.on(' ').join(group.getIdentificationTags()));
}
@@ -150,9 +153,11 @@ public class SessionDescription {
if (!Strings.isNullOrEmpty(ufrag)) {
mediaAttributes.put("ice-ufrag", ufrag);
}
+ checkNoWhitespace(ufrag, "ufrag value must not contain any whitespaces");
if (!Strings.isNullOrEmpty(pwd)) {
mediaAttributes.put("ice-pwd", pwd);
}
+ checkNoWhitespace(pwd, "pwd value must not contain any whitespaces");
mediaAttributes.put("ice-options", HARDCODED_ICE_OPTIONS);
final IceUdpTransportInfo.Fingerprint fingerprint = transport.getFingerprint();
if (fingerprint != null) {
@@ -180,6 +185,7 @@ public class SessionDescription {
if (Strings.isNullOrEmpty(type)) {
throw new IllegalArgumentException("a feedback for payload-type " + id + " negotiation is missing type");
}
+ checkNoWhitespace(type, "feedback negotiation type must not contain whitespace");
mediaAttributes.put("rtcp-fb", id + " " + type + (Strings.isNullOrEmpty(subtype) ? "" : " " + subtype));
}
for (RtpDescription.FeedbackNegotiationTrrInt feedbackNegotiationTrrInt : payloadType.feedbackNegotiationTrrInts()) {
@@ -193,6 +199,7 @@ public class SessionDescription {
if (Strings.isNullOrEmpty(type)) {
throw new IllegalArgumentException("a feedback negotiation is missing type");
}
+ checkNoWhitespace(type, "feedback negotiation type must not contain whitespace");
mediaAttributes.put("rtcp-fb", "* " + type + (Strings.isNullOrEmpty(subtype) ? "" : " " + subtype));
}
for (RtpDescription.FeedbackNegotiationTrrInt feedbackNegotiationTrrInt : description.feedbackNegotiationTrrInts()) {
@@ -204,9 +211,11 @@ public class SessionDescription {
if (Strings.isNullOrEmpty(id)) {
throw new IllegalArgumentException("A header extension is missing id");
}
+ checkNoWhitespace(id, "header extension id must not contain whitespace");
if (Strings.isNullOrEmpty(uri)) {
throw new IllegalArgumentException("A header extension is missing uri");
}
+ checkNoWhitespace(uri, "feedback negotiation uri must not contain whitespace");
mediaAttributes.put("extmap", id + " " + uri);
}
for (RtpDescription.SourceGroup sourceGroup : description.getSourceGroups()) {
@@ -215,6 +224,7 @@ public class SessionDescription {
if (Strings.isNullOrEmpty(semantics)) {
throw new IllegalArgumentException("A SSRC group is missing semantics attribute");
}
+ checkNoWhitespace(semantics, "source group semantics must not contain whitespace");
if (groups.size() == 0) {
throw new IllegalArgumentException("A SSRC group is missing SSRC ids");
}
@@ -228,13 +238,14 @@ public class SessionDescription {
if (Strings.isNullOrEmpty(id)) {
throw new IllegalArgumentException("A source specific media attribute is missing the id");
}
+ checkNoWhitespace(id, "A source specific media attributes must not contain whitespaces");
if (Strings.isNullOrEmpty(parameterName)) {
throw new IllegalArgumentException("A source specific media attribute is missing its name");
}
if (Strings.isNullOrEmpty(parameterValue)) {
throw new IllegalArgumentException("A source specific media attribute is missing its value");
}
- mediaAttributes.put("ssrc", id + " " + parameter.getParameterName() + ":" + parameter.getParameterValue());
+ mediaAttributes.put("ssrc", id + " " + parameterName + ":" + parameterValue);
}
}
@@ -263,6 +274,13 @@ public class SessionDescription {
return sessionDescriptionBuilder.createSessionDescription();
}
+ public static String checkNoWhitespace(final String input, final String message) {
+ if (CharMatcher.whitespace().matchesAnyOf(input)) {
+ throw new IllegalArgumentException(message);
+ }
+ return input;
+ }
+
public static int ignorantIntParser(final String input) {
try {
return Integer.parseInt(input);
@@ -232,7 +232,10 @@ public class RtpDescription extends GenericDescription {
public String toSdpAttribute() {
final int channels = getChannels();
- return getId()+" "+getPayloadTypeName()+"/"+getClockRate()+(channels == 1 ? "" : "/"+channels);
+ final String name = getPayloadTypeName();
+ Preconditions.checkArgument(name != null, "Payload-type name must not be empty");
+ SessionDescription.checkNoWhitespace(name, "payload-type name must not contain whitespaces");
+ return getId()+" "+name+"/"+getClockRate()+(channels == 1 ? "" : "/"+channels);
}
public int getIntId() {
@@ -367,7 +370,15 @@ public class RtpDescription extends GenericDescription {
stringBuilder.append(id).append(' ');
for(int i = 0; i < parameters.size(); ++i) {
Parameter p = parameters.get(i);
- stringBuilder.append(p.getParameterName()).append('=').append(p.getParameterValue());
+ final String name = p.getParameterName();
+ Preconditions.checkArgument(name != null, String.format("parameter for %s must have a name", id));
+ SessionDescription.checkNoWhitespace(name, String.format("parameter names for %s must not contain whitespaces", id));
+
+ final String value = p.getParameterValue();
+ Preconditions.checkArgument(value != null, String.format("parameter for %s must have a value", id));
+ SessionDescription.checkNoWhitespace(value, String.format("parameter values for %s must not contain whitespaces", id));
+
+ stringBuilder.append(name).append('=').append(value);
if (i != parameters.size() - 1) {
stringBuilder.append(';');
}