feat/web: Patchset 3 (#455)

https://apifox.com/apidoc/shared-ceda7a60-e817-4ea8-827b-de4e874dc45e

implement all backend API

easytier-web/migrations/20241026_init.sql

@@ -0,0 +1,85 @@
+-- # Entity schema.
+
+-- Create `users` table.
+create table if not exists users (
+    id integer primary key autoincrement,
+    username text not null unique,
+    password text not null
+);
+
+-- Create `groups` table.
+create table if not exists groups (
+    id integer primary key autoincrement,
+    name text not null unique
+);
+
+-- Create `permissions` table.
+create table if not exists permissions (
+    id integer primary key autoincrement,
+    name text not null unique
+);
+
+
+-- # Join tables.
+
+-- Create `users_groups` table for many-to-many relationships between users and groups.
+create table if not exists users_groups (
+    user_id integer references users(id),
+    group_id integer references groups(id),
+    primary key (user_id, group_id)
+);
+
+-- Create `groups_permissions` table for many-to-many relationships between groups and permissions.
+create table if not exists groups_permissions (
+    group_id integer references groups(id),
+    permission_id integer references permissions(id),
+    primary key (group_id, permission_id)
+);
+
+
+-- # Fixture hydration.
+
+-- Insert "user" user. password: "user"
+insert into users (username, password)
+values (
+    'user',
+    '$argon2i$v=19$m=16,t=2,p=1$dHJ5dXZkYmZkYXM$UkrNqWz0BbSVBq4ykLSuJw'
+);
+
+-- Insert "admin" user. password: "admin"
+insert into users (username, password)
+values (
+    'admin',
+    '$argon2i$v=19$m=16,t=2,p=1$Ymd1Y2FlcnQ$x0q4oZinW9S1ZB9BcaHEpQ'
+);
+
+-- Insert "users" and "superusers" groups.
+insert into groups (name) values ('users');
+insert into groups (name) values ('superusers');
+
+-- Insert individual permissions.
+insert into permissions (name) values ('sessions');
+insert into permissions (name) values ('devices');
+
+-- Insert group permissions.
+insert into groups_permissions (group_id, permission_id)
+values (
+    (select id from groups where name = 'users'),
+    (select id from permissions where name = 'devices')
+), (
+    (select id from groups where name = 'superusers'),
+    (select id from permissions where name = 'sessions')
+);
+
+-- Insert users into groups.
+insert into users_groups (user_id, group_id)
+values (
+    (select id from users where username = 'user'),
+    (select id from groups where name = 'users')
+), (
+    (select id from users where username = 'admin'),
+    (select id from groups where name = 'users')
+), (
+    (select id from users where username = 'admin'),
+    (select id from groups where name = 'superusers')
+);