Implementation for server-side baggage support and third party header handling

CHANGELOG.md

@@ -9,6 +9,10 @@
 - Avoid sending empty profiles ([#2232](https://github.com/getsentry/sentry-java/pull/2232))
 - Fix file descriptor leak in FileIO instrumentation ([#2248](https://github.com/getsentry/sentry-java/pull/2248))
 
+### Features
+
+- Server-Side Dynamic Sampling Context support  ([#2226](https://github.com/getsentry/sentry-java/pull/2226))
+
 ## 6.4.1
 
 ### Fixes

sentry-android-core/src/test/java/io/sentry/android/core/ActivityLifecycleIntegrationTest.kt

@@ -48,11 +48,12 @@ class ActivityLifecycleIntegrationTest {
         val context = TransactionContext("name", "op")
         val activityFramesTracker = mock<ActivityFramesTracker>()
         val transactionFinishedCallback = mock<TransactionFinishedCallback>()
-        val transaction = SentryTracer(context, hub, true, transactionFinishedCallback)
+        lateinit var transaction: SentryTracer
         val buildInfo = mock<BuildInfoProvider>()
 
         fun getSut(apiVersion: Int = 29, importance: Int = RunningAppProcessInfo.IMPORTANCE_FOREGROUND): ActivityLifecycleIntegration {
             whenever(hub.options).thenReturn(options)
+            transaction = SentryTracer(context, hub, true, transactionFinishedCallback)
             whenever(hub.startTransaction(any(), any<TransactionOptions>())).thenReturn(transaction)
             whenever(buildInfo.sdkInfoVersion).thenReturn(apiVersion)
 

sentry-android-core/src/test/java/io/sentry/android/core/AndroidTransactionProfilerTest.kt

@@ -9,6 +9,7 @@ import com.nhaarman.mockitokotlin2.never
 import com.nhaarman.mockitokotlin2.times
 import com.nhaarman.mockitokotlin2.verify
 import com.nhaarman.mockitokotlin2.whenever
+import io.sentry.IHub
 import io.sentry.ILogger
 import io.sentry.SentryLevel
 import io.sentry.SentryTracer
@@ -44,11 +45,18 @@ class AndroidTransactionProfilerTest {
             isDebug = true
             setLogger(mockLogger)
         }
-        val transaction1 = SentryTracer(TransactionContext("", ""), mock())
-        val transaction2 = SentryTracer(TransactionContext("", ""), mock())
 
-        fun getSut(context: Context, buildInfoProvider: BuildInfoProvider = buildInfo): AndroidTransactionProfiler =
-            AndroidTransactionProfiler(context, options, buildInfoProvider)
+        val hub: IHub = mock()
+
+        lateinit var transaction1: SentryTracer
+        lateinit var transaction2: SentryTracer
+
+        fun getSut(context: Context, buildInfoProvider: BuildInfoProvider = buildInfo): AndroidTransactionProfiler {
+            whenever(hub.options).thenReturn(options)
+            transaction1 = SentryTracer(TransactionContext("", ""), hub)
+            transaction2 = SentryTracer(TransactionContext("", ""), hub)
+            return AndroidTransactionProfiler(context, options, buildInfoProvider)
+        }
     }
 
     @BeforeTest

sentry-android-core/src/test/java/io/sentry/android/core/DefaultAndroidEventProcessorTest.kt

@@ -13,6 +13,7 @@ import com.nhaarman.mockitokotlin2.verify
 import com.nhaarman.mockitokotlin2.whenever
 import io.sentry.DiagnosticLogger
 import io.sentry.Hint
+import io.sentry.IHub
 import io.sentry.SentryEvent
 import io.sentry.SentryLevel
 import io.sentry.SentryTracer
@@ -59,9 +60,14 @@ class DefaultAndroidEventProcessorTest {
             setLogger(mock())
             sdkVersion = SdkVersion("test", "1.2.3")
         }
-        val sentryTracer = SentryTracer(TransactionContext("", ""), mock())
+
+        val hub: IHub = mock<IHub>()
+
+        lateinit var sentryTracer: SentryTracer
 
         fun getSut(context: Context): DefaultAndroidEventProcessor {
+            whenever(hub.options).thenReturn(options)
+            sentryTracer = SentryTracer(TransactionContext("", ""), hub)
             return DefaultAndroidEventProcessor(context, buildInfo, options)
         }
     }

sentry-android-core/src/test/java/io/sentry/android/core/PerformanceAndroidEventProcessorTest.kt

@@ -25,12 +25,13 @@ class PerformanceAndroidEventProcessorTest {
 
         val hub = mock<IHub>()
         val context = TransactionContext("name", "op", TracesSamplingDecision(true))
-        val tracer = SentryTracer(context, hub)
+        lateinit var tracer: SentryTracer
         val activityFramesTracker = mock<ActivityFramesTracker>()
 
         fun getSut(tracesSampleRate: Double? = 1.0): PerformanceAndroidEventProcessor {
             options.tracesSampleRate = tracesSampleRate
             whenever(hub.options).thenReturn(options)
+            tracer = SentryTracer(context, hub)
             return PerformanceAndroidEventProcessor(options, activityFramesTracker)
         }
     }

sentry-android-core/src/test/java/io/sentry/android/core/internal/gestures/SentryGestureListenerTracingTest.kt

@@ -48,12 +48,13 @@ class SentryGestureListenerTracingTest {
             hasViewIdInRes: Boolean = true,
             tracesSampleRate: Double? = 1.0,
             isEnableUserInteractionTracing: Boolean = true,
-            transaction: SentryTracer = SentryTracer(TransactionContext("name", "op"), hub)
+            transaction: SentryTracer? = null
         ): SentryGestureListener {
             options.tracesSampleRate = tracesSampleRate
             options.isEnableUserInteractionTracing = isEnableUserInteractionTracing
+            whenever(hub.options).thenReturn(options)
 
-            this.transaction = transaction
+            this.transaction = transaction ?: SentryTracer(TransactionContext("name", "op"), hub)
 
             target = mockView<T>(event = event, clickable = true)
             window.mockDecorView<ViewGroup>(event = event) {
@@ -74,8 +75,8 @@ class SentryGestureListenerTracingTest {
             whenever(activity.window).thenReturn(window)
 
             whenever(hub.startTransaction(any(), any<TransactionOptions>()))
-                .thenReturn(transaction)
-            whenever(hub.options).thenReturn(options)
+                .thenReturn(this.transaction)
+
             return SentryGestureListener(
                 activity,
                 hub,

sentry-android-navigation/src/test/java/io/sentry/android/navigation/SentryNavigationListenerTest.kt

@@ -54,25 +54,27 @@ class SentryNavigationListenerTest {
             enableTracing: Boolean = true,
             tracesSampleRate: Double? = 1.0,
             hasViewIdInRes: Boolean = true,
-            transaction: SentryTracer = SentryTracer(
-                TransactionContext(
-                    "/$toRoute",
-                    SentryNavigationListener.NAVIGATION_OP
-                ),
-                hub
-            )
+            transaction: SentryTracer? = null
         ): SentryNavigationListener {
-            this.transaction = transaction
-
-            whenever(hub.startTransaction(any<TransactionContext>(), any<TransactionOptions>()))
-                .thenReturn(transaction)
             whenever(hub.options).thenReturn(
                 SentryOptions().apply {
                     setTracesSampleRate(
                         tracesSampleRate
                     )
                 }
             )
+
+            this.transaction = transaction ?: SentryTracer(
+                TransactionContext(
+                    "/$toRoute",
+                    SentryNavigationListener.NAVIGATION_OP
+                ),
+                hub
+            )
+
+            whenever(hub.startTransaction(any<TransactionContext>(), any<TransactionOptions>()))
+                .thenReturn(this.transaction)
+
             whenever(hub.configureScope(any())).thenAnswer {
                 (it.arguments[0] as ScopeCallback).run(scope)
             }

sentry-android-okhttp/src/main/java/io/sentry/android/okhttp/SentryOkHttpInterceptor.kt

@@ -1,5 +1,6 @@
 package io.sentry.android.okhttp
 
+import io.sentry.BaggageHeader
 import io.sentry.Breadcrumb
 import io.sentry.Hint
 import io.sentry.HubAdapter
@@ -40,7 +41,9 @@ class SentryOkHttpInterceptor(
                 span.toSentryTrace().let {
                     requestBuilder.addHeader(it.name, it.value)
                 }
-                span.toBaggageHeader()?.let {
+
+                span.toBaggageHeader(request.headers(BaggageHeader.BAGGAGE_HEADER))?.let {
+                    requestBuilder.removeHeader(BaggageHeader.BAGGAGE_HEADER)
                     requestBuilder.addHeader(it.name, it.value)
                 }
             }

sentry-android-okhttp/src/test/java/io/sentry/android/okhttp/SentryOkHttpInterceptorTest.kt

@@ -38,7 +38,7 @@ class SentryOkHttpInterceptorTest {
         val hub = mock<IHub>()
         var interceptor = SentryOkHttpInterceptor(hub)
         val server = MockWebServer()
-        val sentryTracer = SentryTracer(TransactionContext("name", "op"), hub)
+        lateinit var sentryTracer: SentryTracer
 
         @SuppressWarnings("LongParameterList")
         fun getSut(
@@ -61,6 +61,8 @@ class SentryOkHttpInterceptorTest {
                 }
             )
 
+            sentryTracer = SentryTracer(TransactionContext("name", "op"), hub)
+
             if (isSpanActive) {
                 whenever(hub.span).thenReturn(sentryTracer)
             }
@@ -81,6 +83,7 @@ class SentryOkHttpInterceptorTest {
     private val fixture = Fixture()
 
     private val getRequest = { Request.Builder().get().url(fixture.server.url("/hello")).build() }
+    private val getRequestWithBaggagHeader = { Request.Builder().addHeader("baggage", "thirdPartyBaggage=someValue").addHeader("baggage", "secondThirdPartyBaggage=secondValue; property;propertyKey=propertyValue,anotherThirdPartyBaggage=anotherValue").get().url(fixture.server.url("/hello")).build() }
     private val postRequest = {
         Request.Builder().post(
             "request-body"
@@ -118,6 +121,22 @@ class SentryOkHttpInterceptorTest {
         assertNull(recorderRequest.headers[BaggageHeader.BAGGAGE_HEADER])
     }
 
+    @Test
+    fun `when there is an active span, existing baggage headers are merged with sentry baggage into single header`() {
+        val sut = fixture.getSut()
+        sut.newCall(getRequestWithBaggagHeader()).execute()
+        val recorderRequest = fixture.server.takeRequest()
+        assertNotNull(recorderRequest.headers[SentryTraceHeader.SENTRY_TRACE_HEADER])
+        assertNotNull(recorderRequest.headers[BaggageHeader.BAGGAGE_HEADER])
+
+        val baggageHeaderValues = recorderRequest.headers.values(BaggageHeader.BAGGAGE_HEADER)
+        assertEquals(baggageHeaderValues.size, 1)
+        assertTrue(baggageHeaderValues[0].startsWith("thirdPartyBaggage=someValue,secondThirdPartyBaggage=secondValue; property;propertyKey=propertyValue,anotherThirdPartyBaggage=anotherValue"))
+        assertTrue(baggageHeaderValues[0].contains("sentry-public_key=key"))
+        assertTrue(baggageHeaderValues[0].contains("sentry-transaction=name"))
+        assertTrue(baggageHeaderValues[0].contains("sentry-trace_id"))
+    }
+
     @Test
     fun `does not overwrite response body`() {
         val sut = fixture.getSut()

sentry-apollo-3/src/main/java/io/sentry/apollo3/SentryApollo3HttpInterceptor.kt

@@ -7,6 +7,7 @@ import com.apollographql.apollo3.exception.ApolloHttpException
 import com.apollographql.apollo3.exception.ApolloNetworkException
 import com.apollographql.apollo3.network.http.HttpInterceptor
 import com.apollographql.apollo3.network.http.HttpInterceptorChain
+import io.sentry.BaggageHeader
 import io.sentry.Breadcrumb
 import io.sentry.Hint
 import io.sentry.HubAdapter
@@ -30,22 +31,24 @@ class SentryApollo3HttpInterceptor @JvmOverloads constructor(private val hub: IH
         } else {
             val span = startChild(request, activeSpan)
 
-            val cleanedHeaders = removeSentryInternalHeaders(request.headers)
-
-            val requestBuilder = request.newBuilder().apply {
-                headers(cleanedHeaders)
-            }
+            var cleanedHeaders = removeSentryInternalHeaders(request.headers).toMutableList()
 
             if (TracingOrigins.contain(hub.options.tracingOrigins, request.url)) {
                 val sentryTraceHeader = span.toSentryTrace()
-                val baggageHeader = span.toBaggageHeader()
-                requestBuilder.addHeader(sentryTraceHeader.name, sentryTraceHeader.value)
+                val baggageHeader = span.toBaggageHeader(request.headers.filter { it.name == BaggageHeader.BAGGAGE_HEADER }.map { it.value })
+                cleanedHeaders.add(HttpHeader(sentryTraceHeader.name, sentryTraceHeader.value))
 
-                baggageHeader?.let {
-                    requestBuilder.addHeader(it.name, it.value)
+                baggageHeader?.let { newHeader ->
+                    cleanedHeaders = cleanedHeaders.filterNot { it.name == BaggageHeader.BAGGAGE_HEADER }.toMutableList().apply {
+                        add(HttpHeader(newHeader.name, newHeader.value))
+                    }
                 }
             }
 
+            val requestBuilder = request.newBuilder().apply {
+                headers(cleanedHeaders)
+            }
+
             val modifiedRequest = requestBuilder.build()
             var httpResponse: HttpResponse? = null
             var statusCode: Int? = null

sentry-apollo-3/src/test/java/io/sentry/apollo3/SentryApollo3InterceptorTest.kt

@@ -56,6 +56,7 @@ class SentryApollo3InterceptorTest {
   }
 }""",
             socketPolicy: SocketPolicy = SocketPolicy.KEEP_OPEN,
+            addThirdPartyBaggageHeader: Boolean = false,
             beforeSpan: BeforeSpanCallback? = null,
         ): ApolloClient {
             whenever(hub.options).thenReturn(
@@ -80,6 +81,11 @@ class SentryApollo3InterceptorTest {
                 .serverUrl(server.url("/").toString())
                 .addHttpInterceptor(httpInterceptor)
 
+            if (addThirdPartyBaggageHeader) {
+                builder.addHttpHeader("baggage", "thirdPartyBaggage=someValue")
+                    .addHttpHeader("baggage", "secondThirdPartyBaggage=secondValue; property;propertyKey=propertyValue,anotherThirdPartyBaggage=anotherValue")
+            }
+
             return builder.build()
         }
     }
@@ -148,6 +154,21 @@ class SentryApollo3InterceptorTest {
         assertNotNull(recorderRequest.headers[BaggageHeader.BAGGAGE_HEADER])
     }
 
+    @Test
+    fun `when there is an active span, existing baggage headers are merged with sentry baggage into single header`() {
+        executeQuery(sut = fixture.getSut(addThirdPartyBaggageHeader = true))
+        val recorderRequest = fixture.server.takeRequest()
+        assertNotNull(recorderRequest.headers[SentryTraceHeader.SENTRY_TRACE_HEADER])
+        assertNotNull(recorderRequest.headers[BaggageHeader.BAGGAGE_HEADER])
+
+        val baggageHeaderValues = recorderRequest.headers.values(BaggageHeader.BAGGAGE_HEADER)
+        assertEquals(baggageHeaderValues.size, 1)
+        assertTrue(baggageHeaderValues[0].startsWith("thirdPartyBaggage=someValue,secondThirdPartyBaggage=secondValue; property;propertyKey=propertyValue,anotherThirdPartyBaggage=anotherValue"))
+        assertTrue(baggageHeaderValues[0].contains("sentry-public_key=key"))
+        assertTrue(baggageHeaderValues[0].contains("sentry-transaction=op"))
+        assertTrue(baggageHeaderValues[0].contains("sentry-trace_id"))
+    }
+
     @Test
     fun `customizer modifies span`() {
         executeQuery(

sentry-apollo/src/main/java/io/sentry/apollo/SentryApolloInterceptor.kt

@@ -11,6 +11,7 @@ import com.apollographql.apollo.interceptor.ApolloInterceptor.FetchSourceType
 import com.apollographql.apollo.interceptor.ApolloInterceptor.InterceptorRequest
 import com.apollographql.apollo.interceptor.ApolloInterceptor.InterceptorResponse
 import com.apollographql.apollo.interceptor.ApolloInterceptorChain
+import io.sentry.BaggageHeader
 import io.sentry.Breadcrumb
 import io.sentry.Hint
 import io.sentry.HubAdapter
@@ -41,7 +42,7 @@ class SentryApolloInterceptor(
             // we have no access to URI, no way to verify tracing origins
             val requestHeaderBuilder = request.requestHeaders.toBuilder()
             requestHeaderBuilder.addHeader(sentryTraceHeader.name, sentryTraceHeader.value)
-            span.toBaggageHeader()?.let {
+            span.toBaggageHeader(listOf(request.requestHeaders.headerValue(BaggageHeader.BAGGAGE_HEADER)))?.let {
                 requestHeaderBuilder.addHeader(it.name, it.value)
             }
             val headers = requestHeaderBuilder.build()

sentry-graphql/src/test/kotlin/io/sentry/graphql/SentryInstrumentationTest.kt

@@ -23,10 +23,11 @@ class SentryInstrumentationTest {
 
     class Fixture {
         val hub = mock<IHub>()
-        val activeSpan = SentryTracer(TransactionContext("name", "op"), hub)
+        lateinit var activeSpan: SentryTracer
 
         fun getSut(isTransactionActive: Boolean = true, dataFetcherThrows: Boolean = false, beforeSpan: SentryInstrumentation.BeforeSpanCallback? = null): GraphQL {
             whenever(hub.options).thenReturn(SentryOptions())
+            activeSpan = SentryTracer(TransactionContext("name", "op"), hub)
             val schema = """
             type Query {
                 shows: [Show]

sentry-jdbc/src/test/kotlin/io/sentry/jdbc/SentryJdbcEventListenerTest.kt

@@ -19,11 +19,12 @@ class SentryJdbcEventListenerTest {
 
     class Fixture {
         private val hub = mock<IHub>()
-        val tx = SentryTracer(TransactionContext("name", "op"), hub)
+        lateinit var tx: SentryTracer
         val actualDataSource = JDBCDataSource()
 
         fun getSut(withRunningTransaction: Boolean = true, existingRow: Int? = null): DataSource {
             whenever(hub.options).thenReturn(SentryOptions())
+            tx = SentryTracer(TransactionContext("name", "op"), hub)
             if (withRunningTransaction) {
                 whenever(hub.span).thenReturn(tx)
             }

sentry-openfeign/src/main/java/io/sentry/openfeign/SentryFeignClient.java

@@ -16,6 +16,7 @@
 import io.sentry.TracingOrigins;
 import io.sentry.util.Objects;
 import java.io.IOException;
+import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.LinkedHashMap;
@@ -56,9 +57,14 @@ public Response execute(final @NotNull Request request, final @NotNull Request.O
 
       if (TracingOrigins.contain(hub.getOptions().getTracingOrigins(), url)) {
         final SentryTraceHeader sentryTraceHeader = span.toSentryTrace();
-        final @Nullable BaggageHeader baggageHeader = span.toBaggageHeader();
+        final @Nullable Collection<String> requestBaggageHeader =
+            request.headers().get(BaggageHeader.BAGGAGE_HEADER);
+        final @Nullable BaggageHeader baggageHeader =
+            span.toBaggageHeader(
+                requestBaggageHeader != null ? new ArrayList<>(requestBaggageHeader) : null);
         requestWrapper.header(sentryTraceHeader.getName(), sentryTraceHeader.getValue());
         if (baggageHeader != null) {
+          requestWrapper.removeHeader(BaggageHeader.BAGGAGE_HEADER);
           requestWrapper.header(baggageHeader.getName(), baggageHeader.getValue());
         }
       }
@@ -128,6 +134,10 @@ public void header(final @NotNull String name, final @NotNull String value) {
       }
     }
 
+    public void removeHeader(final @NotNull String name) {
+      headers.remove(name);
+    }
+
     @NotNull
     Request build() {
       return Request.create(