Ch. 4: Handling errors, 404s. Injecting the request.

.idea/php.xml

@@ -42,6 +42,9 @@
       <path value="$PROJECT_DIR$/vendor/twig/twig" />
       <path value="$PROJECT_DIR$/vendor/symfony/stopwatch" />
       <path value="$PROJECT_DIR$/vendor/symfony/profiler-pack" />
+      <path value="$PROJECT_DIR$/vendor/symfony/property-access" />
+      <path value="$PROJECT_DIR$/vendor/symfony/security" />
+      <path value="$PROJECT_DIR$/vendor/symfony/inflector" />
     </include_path>
   </component>
   <component name="PhpProjectSharedConfiguration" php_language_level="7.1" />

.idea/sf4-book.iml

@@ -31,12 +31,15 @@
       <excludeFolder url="file://$MODULE_DIR$/vendor/symfony/framework-bundle" />
       <excludeFolder url="file://$MODULE_DIR$/vendor/symfony/http-foundation" />
       <excludeFolder url="file://$MODULE_DIR$/vendor/symfony/http-kernel" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/symfony/inflector" />
       <excludeFolder url="file://$MODULE_DIR$/vendor/symfony/polyfill-mbstring" />
       <excludeFolder url="file://$MODULE_DIR$/vendor/symfony/polyfill-php72" />
       <excludeFolder url="file://$MODULE_DIR$/vendor/symfony/process" />
       <excludeFolder url="file://$MODULE_DIR$/vendor/symfony/profiler-pack" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/symfony/property-access" />
       <excludeFolder url="file://$MODULE_DIR$/vendor/symfony/requirements-checker" />
       <excludeFolder url="file://$MODULE_DIR$/vendor/symfony/routing" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/symfony/security" />
       <excludeFolder url="file://$MODULE_DIR$/vendor/symfony/stopwatch" />
       <excludeFolder url="file://$MODULE_DIR$/vendor/symfony/twig-bridge" />
       <excludeFolder url="file://$MODULE_DIR$/vendor/symfony/twig-bundle" />
@@ -78,12 +81,15 @@
           <root url="file://$MODULE_DIR$/vendor/symfony/framework-bundle" />
           <root url="file://$MODULE_DIR$/vendor/symfony/http-foundation" />
           <root url="file://$MODULE_DIR$/vendor/symfony/http-kernel" />
+          <root url="file://$MODULE_DIR$/vendor/symfony/inflector" />
           <root url="file://$MODULE_DIR$/vendor/symfony/polyfill-mbstring" />
           <root url="file://$MODULE_DIR$/vendor/symfony/polyfill-php72" />
           <root url="file://$MODULE_DIR$/vendor/symfony/process" />
           <root url="file://$MODULE_DIR$/vendor/symfony/profiler-pack" />
+          <root url="file://$MODULE_DIR$/vendor/symfony/property-access" />
           <root url="file://$MODULE_DIR$/vendor/symfony/requirements-checker" />
           <root url="file://$MODULE_DIR$/vendor/symfony/routing" />
+          <root url="file://$MODULE_DIR$/vendor/symfony/security" />
           <root url="file://$MODULE_DIR$/vendor/symfony/stopwatch" />
           <root url="file://$MODULE_DIR$/vendor/symfony/twig-bridge" />
           <root url="file://$MODULE_DIR$/vendor/symfony/twig-bundle" />
@@ -120,12 +126,15 @@
           <root url="file://$MODULE_DIR$/vendor/symfony/framework-bundle" />
           <root url="file://$MODULE_DIR$/vendor/symfony/http-foundation" />
           <root url="file://$MODULE_DIR$/vendor/symfony/http-kernel" />
+          <root url="file://$MODULE_DIR$/vendor/symfony/inflector" />
           <root url="file://$MODULE_DIR$/vendor/symfony/polyfill-mbstring" />
           <root url="file://$MODULE_DIR$/vendor/symfony/polyfill-php72" />
           <root url="file://$MODULE_DIR$/vendor/symfony/process" />
           <root url="file://$MODULE_DIR$/vendor/symfony/profiler-pack" />
+          <root url="file://$MODULE_DIR$/vendor/symfony/property-access" />
           <root url="file://$MODULE_DIR$/vendor/symfony/requirements-checker" />
           <root url="file://$MODULE_DIR$/vendor/symfony/routing" />
+          <root url="file://$MODULE_DIR$/vendor/symfony/security" />
           <root url="file://$MODULE_DIR$/vendor/symfony/stopwatch" />
           <root url="file://$MODULE_DIR$/vendor/symfony/twig-bridge" />
           <root url="file://$MODULE_DIR$/vendor/symfony/twig-bundle" />

composer.json

@@ -41,6 +41,7 @@
         "symfony/framework-bundle": "^4.0",
         "symfony/lts": "^4@dev",
         "symfony/requirements-checker": "^1.0",
+        "symfony/security": "^4.0",
         "symfony/twig-bundle": "^4.0",
         "symfony/web-server-bundle": "^4.0",
         "symfony/yaml": "^4.0"

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "a96f9ef8bcb4ac090992bdb864ac5759",
+    "content-hash": "45d8142816c016eb652bdb41a5994204",
     "packages": [
         {
             "name": "composer/ca-bundle",
@@ -1256,16 +1256,16 @@
         },
         {
             "name": "symfony/flex",
-            "version": "v1.0.51",
+            "version": "v1.0.52",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/flex.git",
-                "reference": "adb823e2d21c88174a03f16a7b7eb9879b83107f"
+                "reference": "861a98056cad02a3a18b778404dee1427bd4a30d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/flex/zipball/adb823e2d21c88174a03f16a7b7eb9879b83107f",
-                "reference": "adb823e2d21c88174a03f16a7b7eb9879b83107f",
+                "url": "https://api.github.com/repos/symfony/flex/zipball/861a98056cad02a3a18b778404dee1427bd4a30d",
+                "reference": "861a98056cad02a3a18b778404dee1427bd4a30d",
                 "shasum": ""
             },
             "require": {
@@ -1298,7 +1298,7 @@
                     "email": "fabien.potencier@gmail.com"
                 }
             ],
-            "time": "2017-12-20T00:55:17+00:00"
+            "time": "2017-12-20T19:26:56+00:00"
         },
         {
             "name": "symfony/framework-bundle",
@@ -1553,6 +1553,63 @@
             "homepage": "https://symfony.com",
             "time": "2017-12-15T03:06:17+00:00"
         },
+        {
+            "name": "symfony/inflector",
+            "version": "v4.0.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/inflector.git",
+                "reference": "8740990f67ec9f89bfa116d11bad2990dd510ece"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/inflector/zipball/8740990f67ec9f89bfa116d11bad2990dd510ece",
+                "reference": "8740990f67ec9f89bfa116d11bad2990dd510ece",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.1.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "4.0-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Inflector\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Bernhard Schussek",
+                    "email": "bschussek@gmail.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Inflector Component",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "inflection",
+                "pluralize",
+                "singularize",
+                "string",
+                "symfony",
+                "words"
+            ],
+            "time": "2017-08-31T20:46:21+00:00"
+        },
         {
             "name": "symfony/lts",
             "version": "dev-master",
@@ -1753,6 +1810,73 @@
             "homepage": "https://symfony.com",
             "time": "2017-12-14T19:48:22+00:00"
         },
+        {
+            "name": "symfony/property-access",
+            "version": "v4.0.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/property-access.git",
+                "reference": "8dc059852b7bdd8b871eb3ca95b8d70be3b39488"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/property-access/zipball/8dc059852b7bdd8b871eb3ca95b8d70be3b39488",
+                "reference": "8dc059852b7bdd8b871eb3ca95b8d70be3b39488",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.1.3",
+                "symfony/inflector": "~3.4|~4.0"
+            },
+            "require-dev": {
+                "symfony/cache": "~3.4|~4.0"
+            },
+            "suggest": {
+                "psr/cache-implementation": "To cache access methods."
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "4.0-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\PropertyAccess\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony PropertyAccess Component",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "access",
+                "array",
+                "extraction",
+                "index",
+                "injection",
+                "object",
+                "property",
+                "property path",
+                "reflection"
+            ],
+            "time": "2017-12-14T00:19:09+00:00"
+        },
         {
             "name": "symfony/requirements-checker",
             "version": "v1.0.3",
@@ -1879,6 +2003,83 @@
             ],
             "time": "2017-12-14T22:39:22+00:00"
         },
+        {
+            "name": "symfony/security",
+            "version": "v4.0.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/security.git",
+                "reference": "6ff0f1e97f583583c10152e4050e8a4fac2cfd1e"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/security/zipball/6ff0f1e97f583583c10152e4050e8a4fac2cfd1e",
+                "reference": "6ff0f1e97f583583c10152e4050e8a4fac2cfd1e",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.1.3",
+                "symfony/event-dispatcher": "~3.4|~4.0",
+                "symfony/http-foundation": "~3.4|~4.0",
+                "symfony/http-kernel": "~3.4|~4.0",
+                "symfony/property-access": "~3.4|~4.0"
+            },
+            "replace": {
+                "symfony/security-core": "self.version",
+                "symfony/security-csrf": "self.version",
+                "symfony/security-guard": "self.version",
+                "symfony/security-http": "self.version"
+            },
+            "require-dev": {
+                "psr/container": "^1.0",
+                "psr/log": "~1.0",
+                "symfony/expression-language": "~3.4|~4.0",
+                "symfony/finder": "~3.4|~4.0",
+                "symfony/ldap": "~3.4|~4.0",
+                "symfony/polyfill-intl-icu": "~1.0",
+                "symfony/routing": "~3.4|~4.0",
+                "symfony/validator": "~3.4|~4.0"
+            },
+            "suggest": {
+                "psr/container": "To instantiate the Security class",
+                "symfony/expression-language": "For using the expression voter",
+                "symfony/form": "",
+                "symfony/ldap": "For using the LDAP user and authentication providers",
+                "symfony/routing": "For using the HttpUtils class to create sub-requests, redirect the user, and match URLs",
+                "symfony/validator": "For using the user password constraint"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "4.0-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Security\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Security Component",
+            "homepage": "https://symfony.com",
+            "time": "2017-12-14T19:48:22+00:00"
+        },
         {
             "name": "symfony/twig-bridge",
             "version": "v4.0.2",

src/Controller/LuckyController.php

@@ -6,6 +6,7 @@ namespace App\Controller;
 use Psr\Log\LoggerInterface;
 use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;
 use Symfony\Bundle\FrameworkBundle\Controller\Controller;
+use Symfony\Component\HttpFoundation\Request;
 
 class LuckyController extends Controller {
 
@@ -19,11 +20,36 @@ class LuckyController extends Controller {
    *
    * Notice how we overrode auto-wiring to receive an instance of App\Logger.
    */
-  public function number(LoggerInterface $logger) {
-    $number = mt_rand(0, 100);
+  public function number(LoggerInterface $logger, Request $request) {
+    $number = $request->query->has('value')
+      ? (int) $request->query->get('value')
+      : mt_rand(0, 100);
+
     $logger->notice("We sent $number");
     return $this->render("lucky/number.html.twig", [
       "number" => $number,
     ]);
   }
+
+  /**
+   * @\Symfony\Component\Routing\Annotation\Route(
+   *   name = "lucky-not-found",
+   *   path = "/lucky/not-found"
+   * )
+   */
+  public function notFound() {
+    $notFound = $this->createNotFoundException();
+    throw $this->createAccessDeniedException("Denied because it was not found", $notFound);
+  }
+
+  /**
+   * @\Symfony\Component\Routing\Annotation\Route(
+   *   name = "lucky-denied",
+   *   path = "/lucky/denied"
+   * )
+   */
+  public function denied() {
+    $denied = $this->createAccessDeniedException();
+    throw $this->createNotFoundException("Not found because it was denied", $denied);
+  }
 }

symfony.lock

@@ -113,6 +113,9 @@
     "symfony/http-kernel": {
         "version": "v4.0.2"
     },
+    "symfony/inflector": {
+        "version": "v4.0.2"
+    },
     "symfony/lts": {
         "version": "4-dev"
     },
@@ -128,6 +131,9 @@
     "symfony/profiler-pack": {
         "version": "v1.0.3"
     },
+    "symfony/property-access": {
+        "version": "v4.0.2"
+    },
     "symfony/requirements-checker": {
         "version": "1.0",
         "recipe": {
@@ -146,6 +152,9 @@
             "ref": "cda8b550123383d25827705d05a42acf6819fe4e"
         }
     },
+    "symfony/security": {
+        "version": "v4.0.2"
+    },
     "symfony/stopwatch": {
         "version": "v4.0.2"
     },