feat: add oauth flow base

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

manifest.yaml

@@ -70,6 +70,9 @@ metadata:
   name: veil-config
 data:
   default.yml: |
+    server:
+      host: https://app.veil.local
+
     database:
       host: postgresql
       port: 5432
@@ -77,10 +80,11 @@ data:
       password: veil
       database: veil
 
-    oidc:
+    oauth:
       issuer_url: "https://id.veil.local"
       client_id: "veil"
       client_secret: "insecure_secret"
+      insecure: true
   log4rs.yml: |
     appenders:
       stdout:
@@ -167,7 +171,7 @@ data:
           - client_id: "veil"
             client_secret: "$pbkdf2-sha512$310000$c8p78n7pUMln0jzvd4aK4Q$JNRBzwAo0ek5qKn50cFzzvE9RXV88h1wJn5KGiHrD0YKtZaR/nCb2CJPOsKaPK0hjf.9yHxzQGZziziccp6Yng" # The digest of 'insecure_secret'.
             redirect_uris:
-              - "https://app.veil.local/oauth2/callback"
+              - "https://app.veil.local/api/auth/callback"
             authorization_policy: "one_factor"
   users.yml: |
     users: