(live-capture) Send a UA-string from the browserless fetcher as well

The change also introduces a somewhat convoluted wiremock test to intercept and verify that these headers are in fact sent

code/functions/live-capture/build.gradle

@@ -34,6 +34,7 @@ dependencies {
     implementation libs.bundles.slf4j
     implementation libs.commons.lang3
     implementation libs.commons.io
+    implementation libs.wiremock
 
     implementation libs.prometheus
     implementation libs.guava

code/functions/live-capture/java/nu/marginalia/livecapture/BrowserlessClient.java

@@ -1,6 +1,7 @@
 package nu.marginalia.livecapture;
 
 import com.google.gson.Gson;
+import nu.marginalia.WmsaHome;
 import nu.marginalia.model.gson.GsonFactory;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -27,6 +28,8 @@ public class BrowserlessClient implements AutoCloseable {
     private final URI browserlessURI;
     private final Gson gson = GsonFactory.get();
 
+    private final String userAgent = WmsaHome.getUserAgent().uaString();
+
     public BrowserlessClient(URI browserlessURI) {
         this.browserlessURI = browserlessURI;
     }
@@ -34,6 +37,7 @@ public class BrowserlessClient implements AutoCloseable {
     public String content(String url, GotoOptions gotoOptions) throws IOException, InterruptedException {
         Map<String, Object> requestData = Map.of(
                 "url", url,
+                "userAgent", userAgent,
                 "gotoOptions", gotoOptions
         );
 
@@ -60,6 +64,7 @@ public class BrowserlessClient implements AutoCloseable {
 
         Map<String, Object> requestData = Map.of(
                 "url", url,
+                "userAgent", userAgent,
                 "options", screenshotOptions,
                 "gotoOptions", gotoOptions
         );

code/functions/live-capture/test/nu/marginalia/livecapture/BrowserlessClientTest.java

@@ -1,5 +1,8 @@
 package nu.marginalia.livecapture;
 
+import com.github.tomakehurst.wiremock.WireMockServer;
+import com.github.tomakehurst.wiremock.core.WireMockConfiguration;
+import nu.marginalia.WmsaHome;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Tag;
@@ -8,19 +11,74 @@ import org.testcontainers.containers.GenericContainer;
 import org.testcontainers.junit.jupiter.Testcontainers;
 import org.testcontainers.utility.DockerImageName;
 
+import java.io.IOException;
+import java.net.SocketException;
 import java.net.URI;
-import java.util.Map;
+import java.util.Map;import static com.github.tomakehurst.wiremock.client.WireMock.*;
+import static java.net.NetworkInterface.getNetworkInterfaces;
 
 @Testcontainers
 @Tag("slow")
 public class BrowserlessClientTest {
     static GenericContainer<?> container = new GenericContainer<>(DockerImageName.parse("browserless/chrome"))
             .withEnv(Map.of("TOKEN", "BROWSERLESS_TOKEN"))
+            .withNetworkMode("bridge")
             .withExposedPorts(3000);
 
+    static WireMockServer wireMockServer = new WireMockServer(WireMockConfiguration.wireMockConfig().port(18089));
+
+    static String localIp;
     @BeforeAll
-    public static void setup() {
+    public static void setup() throws IOException {
         container.start();
+
+        wireMockServer.start();
+        wireMockServer.stubFor(get("/").willReturn(aResponse().withStatus(200).withBody("Ok")));
+
+        localIp = findLocalIp();
+    }
+
+    private static String findLocalIp() throws SocketException {
+        var interfaces = getNetworkInterfaces();
+        while (interfaces.hasMoreElements()) {
+            var iface = interfaces.nextElement();
+            if (iface.isLoopback())
+                continue;
+            else if (iface.isVirtual())
+                continue;
+
+            var addresses = iface.getInetAddresses();
+
+            while (addresses.hasMoreElements()) {
+                var address = addresses.nextElement();
+
+                if (!address.isSiteLocalAddress()) continue;
+
+                return address.getHostAddress();
+            }
+        }
+
+        return "127.0.0.1";
+    }
+
+    @Tag("flaky")
+    @Test
+    public void testInspectContentUA__Flaky() throws Exception {
+        try (var client = new BrowserlessClient(URI.create("http://" + container.getHost() + ":" + container.getMappedPort(3000)))) {
+            client.content("http://" + localIp + ":18089/", BrowserlessClient.GotoOptions.defaultValues());
+        }
+
+        wireMockServer.verify(getRequestedFor(urlEqualTo("/")).withHeader("User-Agent", equalTo(WmsaHome.getUserAgent().uaString())));
+    }
+
+    @Tag("flaky")
+    @Test
+    public void testInspectScreenshotUA__Flaky() throws Exception {
+        try (var client = new BrowserlessClient(URI.create("http://" + container.getHost() + ":" + container.getMappedPort(3000)))) {
+            client.screenshot("http://" + localIp + ":18089/", BrowserlessClient.GotoOptions.defaultValues(), BrowserlessClient.ScreenshotOptions.defaultValues());
+        }
+
+        wireMockServer.verify(getRequestedFor(urlEqualTo("/")).withHeader("User-Agent", equalTo(WmsaHome.getUserAgent().uaString())));
     }
 
     @Test

settings.gradle

@@ -239,6 +239,7 @@ dependencyResolutionManagement {
             library('jooby-jte','io.jooby','jooby-jte').version(joobyVersion)
             library('jooby-apt','io.jooby','jooby-apt').version(joobyVersion)
 
+            library('wiremock', 'org.wiremock','wiremock').version('3.11.0')
             library('jte','gg.jte','jte').version('3.1.15')
 
             bundle('jetty', ['jetty-server', 'jetty-util', 'jetty-servlet'])