Display error details even with dev.debug set to false

It makes more sense to display the error even if it's unexpected.
Only for logged in users.

Fixes #1606

application/front/controller/visitor/ErrorController.php

@@ -26,8 +26,14 @@ public function __invoke(Request $request, Response $response, \Throwable $throw
             $response = $response->withStatus($throwable->getCode());
         } else {
             // Internal error (any other Throwable)
-            if ($this->container->conf->get('dev.debug', false)) {
+            if ($this->container->conf->get('dev.debug', false) || $this->container->loginManager->isLoggedIn()) {
-                $this->assignView('message', $throwable->getMessage());
+                $this->assignView('message', t('Error: ') . $throwable->getMessage());
+                $this->assignView(
+                    'text',
+                    '<a href="https://github.com/shaarli/Shaarli/issues/new">'
+                    . t('Please report it on Github.')
+                    . '</a>'
+                );
                 $this->assignView('stacktrace', exception2text($throwable));
             } else {
                 $this->assignView('message', t('An unexpected error occurred.'));
@@ -36,7 +42,6 @@ public function __invoke(Request $request, Response $response, \Throwable $throw
             $response = $response->withStatus(500);
         }
 
-
         return $response->write($this->render('error'));
     }
 }

assets/default/scss/shaarli.scss

@@ -1266,11 +1266,15 @@ form {
     margin: 70px 0 25px;
   }
 
+  a {
+    color: var(--main-color);
+  }
+
   pre {
     margin: 0 20%;
     padding: 20px 0;
     text-align: left;
-    line-height: .7em;
+    line-height: 1em;
   }
 }
 

inc/languages/fr/LC_MESSAGES/shaarli.po

@@ -1,8 +1,8 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: Shaarli\n"
-"POT-Creation-Date: 2020-11-05 16:47+0100\n"
+"POT-Creation-Date: 2020-11-05 19:43+0100\n"
-"PO-Revision-Date: 2020-11-05 16:48+0100\n"
+"PO-Revision-Date: 2020-11-05 19:44+0100\n"
 "Last-Translator: \n"
 "Language-Team: Shaarli\n"
 "Language: fr_FR\n"
@@ -501,7 +501,15 @@ msgstr "mois"
 msgid "Monthly"
 msgstr "Mensuel"
 
-#: application/front/controller/visitor/ErrorController.php:33
+#: application/front/controller/visitor/ErrorController.php:30
+msgid "Error: "
+msgstr "Erreur : "
+
+#: application/front/controller/visitor/ErrorController.php:34
+msgid "Please report it on Github."
+msgstr "Merci de la rapporter sur Github."
+
+#: application/front/controller/visitor/ErrorController.php:39
 msgid "An unexpected error occurred."
 msgstr "Une erreur inattendue s'est produite."
 

tests/front/controller/visitor/ErrorControllerTest.php

@@ -50,7 +50,31 @@ public function testDisplayFrontExceptionError(): void
     }
 
     /**
-     * Test displaying error with any exception (no debug): only display an error occurred with HTTP 500.
+     * Test displaying error with any exception (no debug) while logged in:
+     * display full error details
+     */
+    public function testDisplayAnyExceptionErrorNoDebugLoggedIn(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        // Save RainTPL assigned variables
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $this->container->loginManager->method('isLoggedIn')->willReturn(true);
+
+        $result = ($this->controller)($request, $response, new \Exception('abc'));
+
+        static::assertSame(500, $result->getStatusCode());
+        static::assertSame('Error: abc', $assignedVariables['message']);
+        static::assertContainsPolyfill('Please report it on Github', $assignedVariables['text']);
+        static::assertArrayHasKey('stacktrace', $assignedVariables);
+    }
+
+    /**
+     * Test displaying error with any exception (no debug) while logged out:
+     * display standard error without detail
      */
     public function testDisplayAnyExceptionErrorNoDebug(): void
     {
@@ -61,10 +85,13 @@ public function testDisplayAnyExceptionErrorNoDebug(): void
         $assignedVariables = [];
         $this->assignTemplateVars($assignedVariables);
 
+        $this->container->loginManager->method('isLoggedIn')->willReturn(false);
+
         $result = ($this->controller)($request, $response, new \Exception('abc'));
 
         static::assertSame(500, $result->getStatusCode());
         static::assertSame('An unexpected error occurred.', $assignedVariables['message']);
+        static::assertArrayNotHasKey('text', $assignedVariables);
         static::assertArrayNotHasKey('stacktrace', $assignedVariables);
     }
 }

tpl/default/error.html

@@ -9,13 +9,17 @@
 <div id="pageError" class="page-error-container center">
   <h2>{$message}</h2>
 
+  <img src="{$asset_path}/img/sad_star.png#" alt="">
+
+  {if="!empty($text)"}
+  <p>{$text}</p>
+  {/if}
+
   {if="!empty($stacktrace)"}
       <pre>
         {$stacktrace}
       </pre>
   {/if}
-
-  <img src="{$asset_path}/img/sad_star.png#" alt="">
 </div>
 {include="page.footer"}
 </body>