feat: add enrollment service (#276)

* make stats filtering consistent

* add enrollment service to grpc router

* add enrollment table

* add enrollment struct

* implement adding enrollment session

* validate enrollment session

* implement remaining endpoints

* make password optional

* make password optional when creating user

* add manual enrollment trigger endpoint skeleton

* trigger enrollment when creating a user without password

* add toggle for sending notification

* handle LDAP sync during enrollment

* add enrollment timeout settings to main config

* return token when starting enrollment

* implement manual enrollment start

* add enrollment service url to config

* update protos

* send enrollment start email

* send welcome email

* add enrollment settings columns

* update settings struct

* add initial enrollment settings page

* pass configured message in email

* convert welcome message to html

* allow creating user without password

* add enrollment test

* initial polish translation

---------

Co-authored-by: Maciej Wójcik <[email protected]>

.pre-commit-config.yaml

@@ -6,7 +6,7 @@ repos:
       - id: end-of-file-fixer
       - id: check-added-large-files
   - repo: https://github.com/doublify/pre-commit-rust
-    rev: master
+    rev: v1.0
     hooks:
       - id: fmt
       - id: clippy

Cargo.toml

@@ -72,6 +72,7 @@ lettre = { version = "0.10.4", features = ["tokio1", "tokio1-native-tls"] }
 serde_json = "1.0.104"
 humantime = "2.1"
 tera = "1.19"
+pulldown-cmark = "0.9"
 
 [dev-dependencies]
 matches = "0.1"

build.rs

@@ -8,8 +8,14 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
             "proto/core/vpn.proto",
             "proto/worker/worker.proto",
             "proto/wireguard/gateway.proto",
+            "proto/enrollment/enrollment.proto",
+        ],
+        &[
+            "proto/core",
+            "proto/worker",
+            "proto/wireguard",
+            "proto/enrollment",
         ],
-        &["proto/core", "proto/worker", "proto/wireguard"],
     )?;
     println!("cargo:rerun-if-changed=proto");
     println!("cargo:rerun-if-changed=migrations");

migrations/20230728091355_enrollment.down.sql

@@ -0,0 +1,8 @@
+DROP TABLE enrollment;
+
+ALTER TABLE "user" ALTER COLUMN password_hash SET NOT NULL;
+
+ALTER TABLE settings DROP COLUMN enrollment_vpn_step_optional;
+ALTER TABLE settings DROP COLUMN enrollment_welcome_message;
+ALTER TABLE settings DROP COLUMN enrollment_welcome_email;
+ALTER TABLE settings DROP COLUMN enrollment_use_welcome_message_as_email;

migrations/20230728091355_enrollment.up.sql

@@ -0,0 +1,17 @@
+CREATE TABLE enrollment (
+    id text PRIMARY KEY NOT NULL,
+    user_id bigint NOT NULL,
+    admin_id bigint NOT NULL,
+    created_at timestamp without time zone NOT NULL,
+    expires_at timestamp without time zone NOT NULL,
+    used_at timestamp without time zone,
+    FOREIGN KEY(user_id) REFERENCES "user"(id) ON DELETE CASCADE,
+    FOREIGN KEY(admin_id) REFERENCES "user"(id)
+);
+
+ALTER TABLE "user" ALTER COLUMN password_hash DROP NOT NULL;
+
+ALTER TABLE settings ADD COLUMN enrollment_vpn_step_optional boolean NOT NULL default true;
+ALTER TABLE settings ADD COLUMN enrollment_welcome_message text NULL;
+ALTER TABLE settings ADD COLUMN enrollment_welcome_email text NULL;
+ALTER TABLE settings ADD COLUMN enrollment_use_welcome_message_as_email boolean NOT NULL default true;