From e2c9d07c18da58298a3b287c818cebaeb722a144 Mon Sep 17 00:00:00 2001
From: Seth Westphal <westy92@users.noreply.github.com>
Date: Mon, 31 Jul 2023 14:36:14 -0500
Subject: [PATCH] feat(ErrorReporting): Generate HttpRequestContext for log
 context. (#5656)

---
 ErrorReporting/src/Bootstrap.php            | 49 ++++++++++++++++++++-
 ErrorReporting/tests/Unit/BootstrapTest.php | 44 ++++++++++++++++++
 2 files changed, 91 insertions(+), 2 deletions(-)

diff --git a/ErrorReporting/src/Bootstrap.php b/ErrorReporting/src/Bootstrap.php
index 29c9ad133ad6..8f69bc13a5c3 100644
--- a/ErrorReporting/src/Bootstrap.php
+++ b/ErrorReporting/src/Bootstrap.php
@@ -129,7 +129,7 @@ public static function exceptionHandler($ex)
         if (self::$psrLogger) {
             $service = self::$psrLogger->getMetadataProvider()->serviceId();
             $version = self::$psrLogger->getMetadataProvider()->versionId();
-            self::$psrLogger->error($message, [
+            $context = [
                 'context' => [
                     'reportLocation' => [
                         'filePath' => $ex->getFile(),
@@ -142,7 +142,12 @@ public static function exceptionHandler($ex)
                     'service' => $service,
                     'version' => $version,
                 ]
-            ]);
+            ];
+            $httpRequest = self::getHttpRequest();
+            if (!empty($httpRequest)) {
+                $context['context']['httpRequest'] = self::getHttpRequest();
+            }
+            self::$psrLogger->error($message, $context);
         } else {
             $stderr = defined('STDERR') ? STDERR : fopen('php://stderr', 'w');
             fwrite($stderr, $message . PHP_EOL);
@@ -186,6 +191,10 @@ public static function errorHandler($level, $message, $file, $line)
                 'version' => $version
             ]
         ];
+        $httpRequest = self::getHttpRequest();
+        if (!empty($httpRequest)) {
+            $context['context']['httpRequest'] = self::getHttpRequest();
+        }
         self::$psrLogger->log(
             self::getErrorLevelString($level),
             $message,
@@ -232,6 +241,10 @@ public static function shutdownHandler()
                             'version' => $version
                         ]
                     ];
+                    $httpRequest = self::getHttpRequest();
+                    if (!empty($httpRequest)) {
+                        $context['context']['httpRequest'] = self::getHttpRequest();
+                    }
                     if (self::$psrLogger) {
                         self::$psrLogger->log(
                             self::getErrorLevelString($err['type']),
@@ -268,4 +281,36 @@ private static function getFunctionNameForReport(array $trace = null)
         }
         return implode('', array_reverse($functionName));
     }
+
+    /**
+     * Builds an HttpRequestContext from available server information.
+     *
+     * @return array An HttpRequestContext.
+     */
+    private static function getHttpRequest()
+    {
+        $httpRequest = [];
+        if (isset($_SERVER)) {
+            if (isset($_SERVER['REQUEST_METHOD'])) {
+                $httpRequest['method'] = $_SERVER['REQUEST_METHOD'];
+            }
+            if (isset($_SERVER['HTTP_USER_AGENT'])) {
+                $httpRequest['userAgent'] = $_SERVER['HTTP_USER_AGENT'];
+            }
+            if (isset($_SERVER['HTTP_REFERER'])) {
+                $httpRequest['referrer'] = $_SERVER['HTTP_REFERER'];
+            }
+            if (isset($_SERVER['REMOTE_ADDR'])) {
+                $httpRequest['remoteIp'] = $_SERVER['REMOTE_ADDR'];
+            }
+            if (isset($_SERVER['HTTP_HOST']) && isset($_SERVER['REQUEST_URI'])) {
+                $httpRequest['url'] = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? 'https' : 'http')
+                    . '://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
+            }
+            if (http_response_code() !== false) {
+                $httpRequest['responseStatusCode'] = http_response_code();
+            }
+        }
+        return $httpRequest;
+    }
 }
diff --git a/ErrorReporting/tests/Unit/BootstrapTest.php b/ErrorReporting/tests/Unit/BootstrapTest.php
index 4e598c95af51..4cd3b05d7239 100644
--- a/ErrorReporting/tests/Unit/BootstrapTest.php
+++ b/ErrorReporting/tests/Unit/BootstrapTest.php
@@ -140,6 +140,50 @@ public function testExceptionHandler($exception)
         Bootstrap::exceptionHandler($exception);
     }
 
+    /**
+     * @dataProvider exceptionProvider
+     * @runInSeparateProcess
+     */
+    public function testExceptionHandlerWithHttpContext($exception)
+    {
+        $_SERVER = [
+            'REQUEST_METHOD' => 'GET',
+            'HTTP_REFERER' => 'ref',
+            'HTTP_HOST' => 'google.com',
+            'REQUEST_URI' => '/index.php',
+            'REMOTE_ADDR' => '1.2.3.4',
+            'HTTP_USER_AGENT' => 'UA',
+            ];
+        $expectedMessage = sprintf('PHP Notice: %s', (string)$exception);
+        $expectedContext = [
+            'context' => [
+                'reportLocation' => [
+                    'filePath' => $exception->getFile(),
+                    'lineNumber' => $exception->getLine(),
+                    'functionName' => 'Google\Cloud\ErrorReporting\Tests\Unit\BootstrapTest->exceptionProvider',
+                ],
+                'httpRequest' => [
+                    'method' => 'GET',
+                    'url' => 'http://google.com/index.php',
+                    'referrer' => 'ref',
+                    'remoteIp' => '1.2.3.4',
+                    'userAgent' => 'UA',
+                ]
+            ],
+            'serviceContext' => [
+                'service' => '',
+                'version' => ''
+            ]
+        ];
+        $this->psrBatchLogger->error($expectedMessage, $expectedContext)
+            ->shouldBeCalledTimes(1);
+        $this->psrBatchLogger->getMetadataProvider()
+            ->willReturn(new SimpleMetadataProvider())
+            ->shouldBeCalledTimes(2);
+        Bootstrap::$psrLogger = $this->psrBatchLogger->reveal();
+        Bootstrap::exceptionHandler($exception);
+    }
+
     /**
      * @dataProvider exceptionProvider
      */