fix: public health/check should not include full details

src/Controllers/DevCheckController.php

@@ -43,8 +43,11 @@ class DevCheckController extends Controller
             $suite = $name;
         }
 
-        $checker = new EnvironmentChecker($suite, 'Environment status');
-        $checker->setRequest($request);
+        /** @var EnvironmentChecker */
+        $checker = EnvironmentChecker::create($suite, 'Environment status')
+            ->setRequest($request)
+            ->setIncludeDetails(true);
+
         $checker->init($this->config()->permission);
 
         return $checker;

src/Controllers/DevHealthController.php

@@ -28,7 +28,6 @@ class DevHealthController extends Controller
     public function index()
     {
         // health check does not require permission to run
-
         $checker = new EnvironmentChecker('health', 'Site health');
         $checker->setErrorCode(500);
 

src/EnvironmentChecker.php

@@ -40,6 +40,11 @@ class EnvironmentChecker extends RequestHandler
      */
     protected $title;
 
+    /**
+     * @var bool
+     */
+    protected $includeDetails = false;
+
     /**
      * @var int
      */
@@ -172,19 +177,31 @@ class EnvironmentChecker extends RequestHandler
             $response->setStatusCode($this->errorCode);
         }
 
-        $resultText = $result->customise([
+        $data = [
             'URL'       => Director::absoluteBaseURL(),
             'Title'     => $this->title,
             'Name'      => $this->checkSuiteName,
-            'ErrorCode' => $this->errorCode,
-        ])->renderWith(__CLASS__);
+            'ErrorCode' => $this->errorCode
+        ];
+
+        $emailContent = $result->customise(array_merge($data, [
+            'IncludeDetails' => true
+        ]))->renderWith(__CLASS__);
+
+        if (!$this->includeDetails) {
+            $webContent = $result->customise(array_merge($data, [
+                'IncludeDetails' => false
+            ]))->renderWith(__CLASS__);
+        } else {
+            $webContent = $emailContent;
+        }
 
         if ($this->config()->get('email_results') && !$result->ShouldPass()) {
             $email = new Email(
                 $this->config()->get('from_email_address'),
                 $this->config()->get('to_email_address'),
                 $this->title,
-                $resultText
+                $emailContent
             );
             $email->send();
         }
@@ -213,7 +230,7 @@ class EnvironmentChecker extends RequestHandler
             return $response;
         }
 
-        $response->setBody($resultText);
+        $response->setBody($webContent);
 
         return $response;
     }
@@ -229,16 +246,36 @@ class EnvironmentChecker extends RequestHandler
         Injector::inst()->get(LoggerInterface::class)->log($level, $message);
     }
 
+
     /**
      * Set the HTTP status code that should be returned when there's an error.
      *
      * @param int $errorCode
+     *
+     * @return $this
      */
     public function setErrorCode($errorCode)
     {
         $this->errorCode = $errorCode;
+
+        return $this;
     }
 
+    /**
+     * Set whether to include the full breakdown of services
+     *
+     * @param bool $includeDetails
+     *
+     * @return $this
+     */
+    public function setIncludeDetails($includeDetails)
+    {
+        $this->includeDetails = $includeDetails;
+
+        return $this;
+    }
+
+
     /**
      * @deprecated
      * @param string $from

templates/SilverStripe/EnvironmentCheck/EnvironmentChecker.ss

@@ -64,16 +64,18 @@
         <h1 class="$Status">$Title: $Status</h1>
         <h2 class="website">Site: $URL</h2>
 
+        <% if $IncludeDetails %>
         <table>
             <tr><th>Check</th> <th>Status</th> <th>Message</th></tr>
             <% loop $Details %>
             <tr><td>$Check</td> <td class="$Status">$Status</td> <td>$Message.XML</td></tr>
             <% end_loop %>
         </table>
+        <% end_if %>
 
         <% if $ShouldPass %>
-        <p>Site is available</p>
-        <p class="subtext">(you may check for the presence of the text 'Site is available' rather than an HTTP $ErrorCode error on this page, if you prefer.)</p>
+            <p>Site is available</p>
+            <p class="subtext">(you may check for the presence of the text 'Site is available' rather than an HTTP $ErrorCode error on this page, if you prefer.<% if not $IncludeDetails %> Full details are available for logged in users at <a href="{$AbsoluteBaseURL}dev/check/">dev/check</a><% end_if %>)</p>
         <% else %>
             <% if $Name == "check" %>
                 <p><b>A subsystem of the site is unavailable, but the site remains operational</b></p>

tests/Controllers/DevCheckControllerTest.php

@@ -28,4 +28,14 @@ class DevCheckControllerTest extends SapphireTest
 
         $this->assertInstanceOf(EnvironmentChecker::class, $controller->index($request));
     }
+
+    public function testCheckIncludesDetails()
+    {
+        $controller = new DevCheckController();
+        $request = new HTTPRequest('GET', 'example.com');
+
+        $response = $controller->index($request)->index();
+
+        $this->assertStringContainsString('<table>', $response->getBody());
+    }
 }

tests/Controllers/DevHealthControllerTest.php

@@ -37,4 +37,15 @@ class DevHealthControllerTest extends SapphireTest
 
         $this->assertInstanceOf(EnvironmentChecker::class, $controller->index($request));
     }
+
+
+    public function testHealthDoesNotIncludeDetails()
+    {
+        $controller = new DevHealthController();
+        $request = new HTTPRequest('GET', 'example.com');
+
+        $response = $controller->index($request)->index();
+
+        $this->assertFalse(strpos($response->getBody(), '<table>'));
+    }
 }