add league/oauth2-server-bundle (#1363)

league/oauth2-server-bundle/0.3/config/packages/league_oauth2_server.yaml

@@ -0,0 +1,12 @@
+league_oauth2_server:
+    authorization_server:
+        private_key: /var/oauth/private.key                     # Change this
+        private_key_passphrase: null                            # Passphrase of the private key, if any
+        encryption_key: '%env(string:OAUTH2_ENCRYPTION_KEY)%'   # (Optional) Change this
+    resource_server:
+        public_key: /var/oauth/public.key                       # Change this
+    scopes:
+        available: [EMAIL]                                    # Change this
+        default: [EMAIL]                                      # Change this
+    persistence:
+        doctrine: null

league/oauth2-server-bundle/0.3/config/routes/league_oauth2.yaml

@@ -0,0 +1,3 @@
+oauth2:
+    resource: '@LeagueOAuth2ServerBundle/Resources/config/routes.php'
+    type: php

league/oauth2-server-bundle/0.3/manifest.json

@@ -0,0 +1,13 @@
+{
+    "bundles": {
+        "League\\Bundle\\OAuth2ServerBundle\\LeagueOAuth2ServerBundle": ["all"]
+    },
+    "copy-from-recipe": {
+        "config/": "%CONFIG_DIR%/"
+    },
+    "env": {
+        "#1": "Fallback OAuth2 encryption key",
+        "#2": "Please override this with a secure value: https://oauth2.thephpleague.com/installation/#string-password",
+        "OAUTH2_ENCRYPTION_KEY": "%generate(secret)%"
+    }
+}

league/oauth2-server-bundle/0.3/post-install.txt

@@ -0,0 +1,18 @@
+  1. <bg=magenta;fg=white> Provide a key pair </>
+    i)   Generate a private/public key pair (preferably with a password): <comment>https://oauth2.thephpleague.com/installation/#generating-public-and-private-keys</>
+    ii)  Configure the <info>private_key</> and <info>public_key</> with the respective key locations
+    iii) (Optional) Set the <info>private_key_passphrase</> to the private key password set in the previous step
+
+  2. <bg=magenta;fg=white> Configure the OAuth2 encryption key </>
+    i)   Add the <info>OAUTH2_ENCRYPTION_KEY</> env variable in <info>.env.local</> (don't commit your production secrets): <comment>https://oauth2.thephpleague.com/installation/#string-password</>
+    ii)  Configure the <info>encryption_key</> with a secure encryption key: <comment>https://oauth2.thephpleague.com/installation/#string-password</>
+
+  3. <bg=magenta;fg=white> Update the database </>
+    i)   Update the database so bundle entities can be persisted using Doctrine: <comment>bin/console doctrine:schema:update --force</>
+
+  4. <bg=magenta;fg=white> Enable the authenticator security system in <comment>config/security.yaml</> file:</>
+    i)   <comment>security:</>
+         <comment>    enable_authenticator_manager: true</>
+
+  5. <bg=magenta;fg=white> Read the docs </>
+    i)   Read the documentation at <comment>https://github.com/thephpleague/oauth2-server-bundle/blob/master/docs/index.md</>