diff options
Diffstat (limited to 'telephony')
4 files changed, 47 insertions, 6 deletions
diff --git a/telephony/common/com/android/internal/telephony/SipMessageParsingUtils.java b/telephony/common/com/android/internal/telephony/SipMessageParsingUtils.java index c7e7cd5ec64e..179248dd2cf9 100644 --- a/telephony/common/com/android/internal/telephony/SipMessageParsingUtils.java +++ b/telephony/common/com/android/internal/telephony/SipMessageParsingUtils.java @@ -65,6 +65,11 @@ public class SipMessageParsingUtils { // compact form of the via header key private static final String VIA_SIP_HEADER_KEY_COMPACT = "v"; + // call-id header key + private static final String CALL_ID_SIP_HEADER_KEY = "call-id"; + // compact form of the call-id header key + private static final String CALL_ID_SIP_HEADER_KEY_COMPACT = "i"; + /** * @return true if the SIP message start line is considered a request (based on known request * methods). @@ -124,6 +129,17 @@ public class SipMessageParsingUtils { return null; } + /** + * Return the call-id header key's associated value. + * @param headerString The string containing the headers of the SIP message. + */ + public static String getCallId(String headerString) { + // search for the call-Id header, there should only be one in the header. + List<Pair<String, String>> headers = parseHeaders(headerString, true, + CALL_ID_SIP_HEADER_KEY, CALL_ID_SIP_HEADER_KEY_COMPACT); + return !headers.isEmpty() ? headers.get(0).second : null; + } + private static String[] splitStartLineAndVerify(String startLine) { String[] splitLine = startLine.split(" "); if (isStartLineMalformed(splitLine)) return null; diff --git a/telephony/java/android/telephony/ims/SipMessage.java b/telephony/java/android/telephony/ims/SipMessage.java index 9cfa640fce18..ad6d73c39962 100644 --- a/telephony/java/android/telephony/ims/SipMessage.java +++ b/telephony/java/android/telephony/ims/SipMessage.java @@ -19,6 +19,7 @@ package android.telephony.ims; import static java.nio.charset.StandardCharsets.UTF_8; import android.annotation.NonNull; +import android.annotation.Nullable; import android.annotation.SystemApi; import android.os.Build; import android.os.Parcel; @@ -46,6 +47,8 @@ public final class SipMessage implements Parcelable { private final String mStartLine; private final String mHeaderSection; private final byte[] mContent; + private final String mViaBranchParam; + private final String mCallIdParam; /** * Represents a partially encoded SIP message. @@ -63,6 +66,9 @@ public final class SipMessage implements Parcelable { mStartLine = startLine; mHeaderSection = headerSection; mContent = content; + + mViaBranchParam = SipMessageParsingUtils.getTransactionId(mHeaderSection); + mCallIdParam = SipMessageParsingUtils.getCallId(mHeaderSection); } /** @@ -73,6 +79,8 @@ public final class SipMessage implements Parcelable { mHeaderSection = source.readString(); mContent = new byte[source.readInt()]; source.readByteArray(mContent); + mViaBranchParam = source.readString(); + mCallIdParam = source.readString(); } /** @@ -97,6 +105,25 @@ public final class SipMessage implements Parcelable { return mContent; } + /** + * @return the branch parameter enclosed in the Via header key's value. See RFC 3261 section + * 20.42 for more information on the Via header. If {@code null}, then there was either no + * Via parameter found in this SIP message's headers or no branch parameter found in the + * Via header. + */ + public @Nullable String getViaBranchParameter() { + return mViaBranchParam; + } + + /** + * @return the value associated with the call-id header of this SIP message. See RFC 3261 + * section 20.8 for more information on the call-id header. If {@code null}, then there was no + * call-id header found in this SIP message's headers. + */ + public @Nullable String getCallIdParameter() { + return mCallIdParam; + } + @Override public int describeContents() { return 0; @@ -108,6 +135,8 @@ public final class SipMessage implements Parcelable { dest.writeString(mHeaderSection); dest.writeInt(mContent.length); dest.writeByteArray(mContent); + dest.writeString(mViaBranchParam); + dest.writeString(mCallIdParam); } public static final @NonNull Creator<SipMessage> CREATOR = new Creator<SipMessage>() { diff --git a/telephony/java/android/telephony/ims/aidl/SipDelegateAidlWrapper.java b/telephony/java/android/telephony/ims/aidl/SipDelegateAidlWrapper.java index 9d919015087d..739946be2e5b 100644 --- a/telephony/java/android/telephony/ims/aidl/SipDelegateAidlWrapper.java +++ b/telephony/java/android/telephony/ims/aidl/SipDelegateAidlWrapper.java @@ -31,8 +31,6 @@ import android.telephony.ims.stub.SipDelegate; import android.text.TextUtils; import android.util.Log; -import com.android.internal.telephony.SipMessageParsingUtils; - import java.util.ArrayList; import java.util.Set; import java.util.concurrent.Executor; @@ -188,7 +186,7 @@ public class SipDelegateAidlWrapper implements DelegateStateCallback, DelegateMe } private void notifyLocalMessageFailedToBeReceived(SipMessage m, int reason) { - String transactionId = SipMessageParsingUtils.getTransactionId(m.getHeaderSection()); + String transactionId = m.getViaBranchParameter(); if (TextUtils.isEmpty(transactionId)) { Log.w(LOG_TAG, "failure to parse SipMessage."); throw new IllegalArgumentException("Malformed SipMessage, can not determine " diff --git a/telephony/java/android/telephony/ims/aidl/SipDelegateConnectionAidlWrapper.java b/telephony/java/android/telephony/ims/aidl/SipDelegateConnectionAidlWrapper.java index c877aca8ba96..3cd27264295c 100644 --- a/telephony/java/android/telephony/ims/aidl/SipDelegateConnectionAidlWrapper.java +++ b/telephony/java/android/telephony/ims/aidl/SipDelegateConnectionAidlWrapper.java @@ -32,8 +32,6 @@ import android.text.TextUtils; import android.util.ArraySet; import android.util.Log; -import com.android.internal.telephony.SipMessageParsingUtils; - import java.util.List; import java.util.NoSuchElementException; import java.util.concurrent.Executor; @@ -268,7 +266,7 @@ public class SipDelegateConnectionAidlWrapper implements SipDelegateConnection, } private void notifyLocalMessageFailedToSend(SipMessage m, int reason) { - String transactionId = SipMessageParsingUtils.getTransactionId(m.getHeaderSection()); + String transactionId = m.getViaBranchParameter(); if (TextUtils.isEmpty(transactionId)) { Log.w(LOG_TAG, "sendMessage detected a malformed SipMessage and can not get a " + "transaction ID."); |