Intercept failures in the RequestFetcher

CHANGELOG.md

@@ -1,6 +1,7 @@
 # Changelog
 
 ## Unreleased
+- Avoid failures when the `RequestFetcher` fails to translate the `Request` (#472)
 
 ## 4.0.3 (2021-03-03)
 - Fix regression from #454 for `null` value on DSN not disabling Sentry (#457)
@@ -46,7 +47,7 @@ using an on-premise installation it requires Sentry version `>= v20.6.0` to work
 
 - Use `jean85/pretty-package-versions` `^1.5` to leverage the new `getRootPackageVersion` method (c8799ac)
 - Fix support for PHP preloading (#354, thanks to @annuh)
-- Fix `capture_soft_fails: false` option for the Messenger (#353) 
+- Fix `capture_soft_fails: false` option for the Messenger (#353)
 
 ## 3.5.1 (2020-05-07)
 

src/Integration/RequestFetcher.php

@@ -56,6 +56,10 @@ public function fetchRequest(): ?ServerRequestInterface
             return null;
         }
 
-        return $this->httpMessageFactory->createRequest($request);
+        try {
+            return $this->httpMessageFactory->createRequest($request);
+        } catch (\Throwable $exception) {
+            return null;
+        }
     }
 }

tests/Integration/RequestFetcherTest.php

@@ -54,8 +54,21 @@ public function testFetchRequest(?Request $request, ?ServerRequestInterface $exp
         $this->assertSame($expectedRequest, $this->requestFetcher->fetchRequest());
     }
 
+    public function testFetchRequestFailsSilently(): void
+    {
+        $this->requestStack->expects($this->once())
+            ->method('getCurrentRequest')
+            ->willReturn(new Request());
+
+        $this->httpMessageFactory->expects($this->once())
+            ->method('createRequest')
+            ->willThrowException(new \Exception());
+
+        $this->assertNull($this->requestFetcher->fetchRequest());
+    }
+
     /**
-     * @return \Generator<mixed>
+     * @return \Generator<array{Request|null,ServerRequest|null}>
      */
     public function fetchRequestDataProvider(): \Generator
     {