new [keycloak]: WiP user enrollment added

- also moved the keycloak specific functionalities to a behaviour
- added new role permission (org admin)

config/Migrations/20211001000000_RolesPermOrgAdmin.php

@@ -0,0 +1,18 @@
+<?php
+declare(strict_types=1);
+
+use Migrations\AbstractMigration;
+
+
+class RolesPermOrgAdmin extends AbstractMigration
+{
+    public function change()
+    {
+        $table = $this->table('roles')
+            ->addColumn('perm_org_admin', 'boolean', [
+                'default' => 0,
+                'null' => false,
+            ])
+            ->update();
+    }
+}

src/Controller/Component/CRUDComponent.php

@@ -140,8 +140,14 @@ class CRUDComponent extends Component
                 $patchEntityParams['fields'] = $params['fields'];
             }
             $data = $this->Table->patchEntity($data, $input, $patchEntityParams);
+            if (isset($params['beforeSave'])) {
+                $data = $params['beforeSave']($data);
+            }
             $savedData = $this->Table->save($data);
             if ($savedData !== false) {
+                if (isset($params['afterSave'])) {
+                    $params['afterSave']($data);
+                }
                 $message = __('{0} added.', $this->ObjectAlias);
                 if (!empty($input['metaFields'])) {
                     $this->saveMetaFields($data->id, $input);
@@ -257,8 +263,14 @@ class CRUDComponent extends Component
                 $patchEntityParams['fields'] = $params['fields'];
             }
             $data = $this->Table->patchEntity($data, $input, $patchEntityParams);
+            if (isset($params['beforeSave'])) {
+                $data = $params['beforeSave']($data);
+            }
             $savedData = $this->Table->save($data);
             if ($savedData !== false) {
+                if (isset($params['afterSave'])) {
+                    $params['afterSave']($data);
+                }
                 $message = __('{0} `{1}` updated.', $this->ObjectAlias, $savedData->{$this->Table->getDisplayField()});
                 if (!empty($input['metaFields'])) {
                     $this->MetaFields->deleteAll(['scope' => $this->Table->metaFields, 'parent_id' => $savedData->id]);

src/Controller/RolesController.php

@@ -15,7 +15,7 @@ class RolesController extends AppController
     public function index()
     {
         $this->CRUD->index([
-            'filters' => ['name', 'uuid', 'perm_admin', 'Users.id'],
+            'filters' => ['name', 'uuid', 'perm_admin', 'perm_org_admin', 'Users.id'],
             'quickFilters' => ['name']
         ]);
         $responsePayload = $this->CRUD->getResponsePayload();

src/Controller/UsersController.php

@@ -25,7 +25,12 @@ class UsersController extends AppController
 
     public function add()
     {
-        $this->CRUD->add();
+        $this->CRUD->add([
+            'beforeSave' => function($data) {
+                $this->Users->enrollUserRouter($data);
+                return $data;
+            }
+        ]);
         $responsePayload = $this->CRUD->getResponsePayload();
         if (!empty($responsePayload)) {
             return $responsePayload;

src/Event/SocialAuthListener.php

@@ -0,0 +1,89 @@
+<?php
+namespace App\Event;
+
+use ADmad\SocialAuth\Middleware\SocialAuthMiddleware;
+use Cake\Datasource\EntityInterface;
+use Cake\Event\EventInterface;
+use Cake\Event\EventListenerInterface;
+use Cake\Http\ServerRequest;
+use Cake\I18n\FrozenTime;
+use Cake\ORM\Locator\LocatorAwareTrait;
+
+class SocialAuthListener implements EventListenerInterface
+{
+    use LocatorAwareTrait;
+
+    public function implementedEvents(): array
+    {
+        return [
+            SocialAuthMiddleware::EVENT_AFTER_IDENTIFY => 'afterIdentify',
+            SocialAuthMiddleware::EVENT_BEFORE_REDIRECT => 'beforeRedirect',
+            // Uncomment below if you want to use the event listener to return
+            // an entity for a new user instead of directly using `createUser()` table method.
+            // SocialAuthMiddleware::EVENT_CREATE_USER => 'createUser',
+        ];
+    }
+
+    public function afterIdentify(EventInterface $event, EntityInterface $user): EntityInterface
+    {
+        // Update last login time
+        // $user->set('last_login', new FrozenTime());
+
+        // You can access the profile using $user->social_profile
+
+        $this->getTableLocator()->get('Users')->saveOrFail($user);
+
+        return $user;
+    }
+
+    /**
+     * @param \Cake\Event\EventInterface $event
+     * @param string|array $url
+     * @param string $status
+     * @param \Cake\Http\ServerRequest $request
+     * @return void
+     */
+    public function beforeRedirect(EventInterface $event, $url, string $status, ServerRequest $request): void
+    {
+        $messages = (array)$request->getSession()->read('Flash.flash');
+
+        // Set flash message
+        switch ($status) {
+            case SocialAuthMiddleware::AUTH_STATUS_SUCCESS:
+                $messages[] = [
+                    'message' => __('You are now logged in'),
+                    'key' => 'flash',
+                    'element' => 'flash/success',
+                    'params' => [],
+                ];
+                break;
+
+            // Auth through provider failed. Details will be logged in
+            // `error.log` if `logErrors` option is set to `true`.
+            case SocialAuthMiddleware::AUTH_STATUS_PROVIDER_FAILURE:
+
+            // Table finder failed to return user record. An e.g. of this is a
+            // user has been authenticated through provider but your finder has
+            // a condition to not return an inactivated user.
+            case SocialAuthMiddleware::AUTH_STATUS_FINDER_FAILURE:
+                $messages[] = [
+                    'message' => __('Authentication failed'),
+                    'key' => 'flash',
+                    'element' => 'flash/error',
+                    'params' => [],
+                ];
+                break;
+        }
+
+        $request->getSession()->write('Flash.flash', $messages);
+
+        // You can return a modified redirect URL if needed.
+    }
+
+    public function createUser(EventInterface $event, EntityInterface $profile, Session $session): EntityInterface
+    {
+        // Create and save entity for new user as shown in "createUser()" method above
+
+        return $user;
+    }
+}

src/Model/Behavior/AuthKeycloakBehavior.php

@@ -0,0 +1,168 @@
+<?php
+namespace App\Model\Behavior;
+
+use ArrayObject;
+use Cake\Datasource\EntityInterface;
+use Cake\Event\EventInterface;
+use Cake\ORM\Behavior;
+use Cake\ORM\Entity;
+use Cake\ORM\Query;
+use Cake\Utility\Text;
+use \Cake\Http\Session;
+use Cake\Core\Configure;
+use Cake\Http\Client;
+use Cake\Http\Client\FormData;
+
+class AuthKeycloakBehavior extends Behavior
+{
+
+    public function getUser(EntityInterface $profile, Session $session)
+    {
+        $userId = $session->read('Auth.User.id');
+        if ($userId) {
+            return $this->_table->get($userId);
+        }
+
+        $raw_profile_payload = $profile->access_token->getJwt()->getPayload();
+        $user = $this->extractProfileData($raw_profile_payload);
+        if (!$user) {
+            throw new \RuntimeException('Unable to save new user');
+        }
+
+        return $user;
+    }
+
+    private function extractProfileData($profile_payload)
+    {
+        $mapping = Configure::read('keycloak.mapping');
+        $fields = [
+            'org_uuid' => 'org_uuid',
+            'role_name' => 'role_name',
+            'username' => 'preferred_username',
+            'email' => 'email',
+            'first_name' => 'given_name',
+            'last_name' => 'family_name'
+        ];
+        foreach ($fields as $field => $default) {
+            if (!empty($mapping[$field])) {
+                $fields[$field] = $mapping[$field];
+            }
+        }
+        $user = [
+            'individual' => [
+                'email' => $profile_payload[$fields['email']],
+                'first_name' => $profile_payload[$fields['first_name']],
+                'last_name' => $profile_payload[$fields['last_name']]
+            ],
+            'user' => [
+                'username' => $profile_payload[$fields['username']],
+            ],
+            'organisation' => [
+                'uuid' => $profile_payload[$fields['org_uuid']],
+            ],
+            'role' => [
+                'name' => $profile_payload[$fields['role_name']],
+            ]
+        ];
+        $user['user']['individual_id'] = $this->_table->captureIndividual($user);
+        $user['user']['role_id'] = $this->_table->captureRole($user);
+        $existingUser = $this->_table->find()->where(['username' => $user['user']['username']])->first();
+        if (empty($existingUser)) {
+            $user['user']['password'] = Security::randomString(16);
+            $existingUser = $this->_table->newEntity($user['user']);
+            if (!$this->save($existingUser)) {
+                return false;
+            }
+        } else {
+            $dirty = false;
+            if ($user['user']['individual_id'] != $existingUser['individual_id']) {
+                $existingUser['individual_id'] = $user['user']['individual_id'];
+                $dirty = true;
+            }
+            if ($user['user']['role_id'] != $existingUser['role_id']) {
+                $existingUser['role_id'] = $user['user']['role_id'];
+                $dirty = true;
+            }
+            $existingUser;
+            if ($dirty) {
+                if (!$this->_table->save($existingUser)) {
+                    return false;
+                }
+            }
+        }
+        return $existingUser;
+    }
+
+    public function enrollUser($data): bool
+    {
+        $individual = $this->_table->Individuals->find()->where(
+            ['id' => $data['individual_id']]
+        )->contain(['Organisations'])->first();
+        $roleConditions = [
+            'id' => $data['role_id']
+        ];
+        if (!empty(Configure::read('keycloak.user_management.actions'))) {
+            $roleConditions['name'] = Configure::read('keycloak.default_role_name');
+        }
+        $role = $this->_table->Roles->find()->where($roleConditions)->first();
+        $orgs = [];
+        foreach ($individual['organisations'] as $org) {
+            $orgs[] = $org['uuid'];
+        }
+        $token = $this->getAdminAccessToken();
+        $keyCloakUser = [
+            'firstName' => $individual['first_name'],
+            'lastName' => $individual['last_name'],
+            'username' => $data['username'],
+            'email' =>  $individual['email'],
+            'attributes' => [
+                'role_name' => empty($role['name']) ? Configure::read('keycloak.default_role_name') : $role['name'],
+                'org_uuid' => empty($orgs[0]) ? '' : $orgs[0]
+            ]
+        ];
+        $keycloakConfig = Configure::read('keycloak');
+        $http = new Client();
+        $url = sprintf(
+            '%s/admin/realms/%s/users',
+            $keycloakConfig['provider']['baseUrl'],
+            $keycloakConfig['provider']['realm']
+        );
+        $response = $http->post(
+            $url,
+            json_encode($keyCloakUser),
+            [
+                'headers' => [
+                    'Content-Type' => 'application/json',
+                    'Authorization' => 'Bearer ' . $token
+                ]
+            ]
+        );
+        return true;
+    }
+
+    private function getAdminAccessToken()
+    {
+        $keycloakConfig = Configure::read('keycloak');
+        $http = new Client();
+        $tokenUrl = sprintf(
+            '%s/realms/%s/protocol/openid-connect/token',
+            $keycloakConfig['provider']['baseUrl'],
+            $keycloakConfig['provider']['realm']
+        );
+        $response = $http->post(
+            $tokenUrl,
+            sprintf(
+                'grant_type=client_credentials&client_id=%s&client_secret=%s',
+                urlencode(Configure::read('keycloak.provider.applicationId')),
+                urlencode(Configure::read('keycloak.provider.applicationSecret'))
+            ),
+            [
+                'headers' => [
+                    'Content-Type' => 'application/x-www-form-urlencoded'
+                ]
+            ]
+        );
+        $parsedResponse = json_decode($response->getStringBody(), true);
+        return $parsedResponse['access_token'];
+    }
+}

src/Model/Table/UsersTable.php

@@ -19,6 +19,7 @@ class UsersTable extends AppTable
     {
         parent::initialize($config);
         $this->addBehavior('UUID');
+        $this->initAuthBehaviors();
         $this->belongsTo(
             'Individuals',
             [
@@ -36,6 +37,13 @@ class UsersTable extends AppTable
         $this->setDisplayField('username');
     }
 
+    private function initAuthBehaviors()
+    {
+        if (!empty(Configure::read('keycloak'))) {
+            $this->addBehavior('AuthKeycloak');
+        }
+    }
+
     public function validationDefault(Validator $validator): Validator
     {
         $validator
@@ -99,68 +107,7 @@ class UsersTable extends AppTable
         return true;
     }
 
-    private function extractKeycloakProfileData($profile_payload)
+    public function captureIndividual($user): int
-    {
-        $mapping = Configure::read('keycloak.mapping');
-        $fields = [
-            'org_uuid' => 'org_uuid',
-            'role_name' => 'role_name',
-            'username' => 'preferred_username',
-            'email' => 'email',
-            'first_name' => 'given_name',
-            'last_name' => 'family_name'
-        ];
-        foreach ($fields as $field => $default) {
-            if (!empty($mapping[$field])) {
-                $fields[$field] = $mapping[$field];
-            }
-        }
-        $user = [
-            'individual' => [
-                'email' => $profile_payload[$fields['email']],
-                'first_name' => $profile_payload[$fields['first_name']],
-                'last_name' => $profile_payload[$fields['last_name']]
-            ],
-            'user' => [
-                'username' => $profile_payload[$fields['username']],
-            ],
-            'organisation' => [
-                'uuid' => $profile_payload[$fields['org_uuid']],
-            ],
-            'role' => [
-                'name' => $profile_payload[$fields['role_name']],
-            ]
-        ];
-        $user['user']['individual_id'] = $this->captureIndividual($user);
-        $user['user']['role_id'] = $this->captureRole($user);
-        $existingUser = $this->find()->where(['username' => $user['user']['username']])->first();
-        if (empty($existingUser)) {
-            $user['user']['password'] = Security::randomString(16);
-            $existingUser = $this->newEntity($user['user']);
-            if (!$this->save($existingUser)) {
-                return false;
-            }
-        } else {
-            $dirty = false;
-            if ($user['user']['individual_id'] != $existingUser['individual_id']) {
-                $existingUser['individual_id'] = $user['user']['individual_id'];
-                $dirty = true;
-            }
-            if ($user['user']['role_id'] != $existingUser['role_id']) {
-                $existingUser['role_id'] = $user['user']['role_id'];
-                $dirty = true;
-            }
-            $existingUser;
-            if ($dirty) {
-                if (!$this->save($existingUser)) {
-                    return false;
-                }
-            }
-        }
-        return $existingUser;
-    }
-
-    private function captureIndividual($user)
     {
         $individual = $this->Individuals->find()->where(['email' => $user['individual']['email']])->first();
         if (empty($individual)) {
@@ -172,7 +119,7 @@ class UsersTable extends AppTable
         return $individual->id;
     }
 
-    private function captureOrganisation($user)
+    public function captureOrganisation($user): int
     {
         $organisation = $this->Organisations->find()->where(['uuid' => $user['organisation']['uuid']])->first();
         if (empty($organisation)) {
@@ -185,7 +132,7 @@ class UsersTable extends AppTable
         return $organisation->id;
     }
 
-    private function captureRole($user)
+    public function captureRole($user): int
     {
         $role = $this->Roles->find()->where(['name' => $user['role']['name']])->first();
         if (empty($role)) {
@@ -200,19 +147,10 @@ class UsersTable extends AppTable
         return $role->id;
     }
 
-    public function getUser(EntityInterface $profile, Session $session)
+    public function enrollUserRouter($data): void
     {
-        $userId = $session->read('Auth.User.id');
+        if (!empty(Configure::read('keycloak'))) {
-        if ($userId) {
+            $this->enrollUser($data);
-            return $this->get($userId);
         }
-
-        $raw_profile_payload = $profile->access_token->getJwt()->getPayload();
-        $user = $this->extractKeycloakProfileData($raw_profile_payload);
-        if (!$user) {
-            throw new \RuntimeException('Unable to save new user');
-        }
-
-        return $user;
     }
 }

templates/Roles/add.php

@@ -12,6 +12,11 @@
                     'type' => 'checkbox',
                     'label' => 'Full admin privilege'
                 ],
+                [
+                    'field' => 'perm_org_admin',
+                    'type' => 'checkbox',
+                    'label' => 'Organisation admin privilege'
+                ],
                 [
                     'field' => 'perm_sync',
                     'type' => 'checkbox',

templates/Roles/index.php

@@ -47,6 +47,12 @@ echo $this->element('genericElements/IndexTable/index_table', [
                 'data_path' => 'perm_admin',
                 'element' => 'boolean'
             ],
+            [
+                'name' => __('Org Admin'),
+                'sort' => 'perm_org_admin',
+                'data_path' => 'perm_org_admin',
+                'element' => 'boolean'
+            ],
             [
                 'name' => __('Sync'),
                 'sort' => 'perm_sync',

templates/Roles/view.php

@@ -17,6 +17,11 @@ echo $this->element(
                 'path' => 'perm_admin',
                 'type' => 'boolean'
             ],
+            [
+                'key' => __('Organisation admin permission'),
+                'path' => 'perm_org_admin',
+                'type' => 'boolean'
+            ],
             [
                 'key' => __('Sync permission'),
                 'path' => 'perm_sync',