feat: UserAgent integration

Author: kamilogorek

CHANGELOG.md

@@ -4,6 +4,8 @@
 
 - [browser] feat: Better dedupe integration event description
 - [core] ref: Move Dedupe, FunctionString, InboundFilters and SdkInformation integrations to the core package
+- [core] feat: Provide correct platform and make a place to override event internals
+- [browser] feat: UserAgent integration
 
 ## 4.0.2
 

packages/browser/src/integrations/index.ts

@@ -3,6 +3,7 @@ export { TryCatch } from './trycatch';
 export { Breadcrumbs } from './breadcrumbs';
 export { LinkedErrors } from './linkederrors';
 export { ReportingObserver } from './reportingobserver';
+export { UserAgent } from './useragent';
 
 export { Ember } from './pluggable/ember';
 export { Vue } from './pluggable/vue';

packages/browser/src/integrations/useragent.ts

@@ -0,0 +1,37 @@
+import { configureScope } from '@sentry/core';
+import { Integration, SentryEvent } from '@sentry/types';
+import { getGlobalObject } from '@sentry/utils/misc';
+
+const global = getGlobalObject() as Window;
+
+/** UserAgent */
+export class UserAgent implements Integration {
+  /**
+   * @inheritDoc
+   */
+  public name: string = 'UserAgent';
+
+  /**
+   * @inheritDoc
+   */
+  public install(): void {
+    configureScope(scope => {
+      scope.addEventProcessor(async (event: SentryEvent) => {
+        if (!global.navigator || !global.location) {
+          return event;
+        }
+
+        // HTTP Interface: https://docs.sentry.io/clientdev/interfaces/http/?platform=javascript
+        const request = event.request || {};
+        request.url = request.url || global.location.href;
+        request.headers = request.headers || {};
+        request.headers['User-Agent'] = global.navigator.userAgent;
+
+        return {
+          ...event,
+          request,
+        };
+      });
+    });
+  }
+}

packages/browser/src/sdk.ts

@@ -2,7 +2,7 @@ import { getCurrentHub, initAndBind, Integrations as CoreIntegrations } from '@s
 import { DsnLike } from '@sentry/types';
 import { BrowserOptions } from './backend';
 import { BrowserClient } from './client';
-import { Breadcrumbs, GlobalHandlers, LinkedErrors, ReportingObserver, TryCatch } from './integrations';
+import { Breadcrumbs, GlobalHandlers, LinkedErrors, ReportingObserver, TryCatch, UserAgent } from './integrations';
 import { SDK_NAME, SDK_VERSION } from './version';
 
 export const defaultIntegrations = [
@@ -23,6 +23,7 @@ export const defaultIntegrations = [
   new ReportingObserver(),
   // Misc
   new LinkedErrors(),
+  new UserAgent(),
 ];
 
 /**