add login, register, and auth

src/modules/auth.ts

@@ -0,0 +1,70 @@
+import { reactive, watch, toRefs } from 'vue';
+import { useIpc } from './ipc';
+
+interface User {
+    id: string;
+    email: string;
+    firstName: string;
+    lastName: string;
+    access_token: string;
+}
+
+interface AuthState {
+    authenticating: boolean;
+    user?: User;
+    error?: Error;
+}
+
+const state = reactive<AuthState>({
+    authenticating: false,
+    user: undefined,
+    error: undefined,
+});
+
+const AUTH_KEY = 'crimata_token';
+
+const token = window.localStorage.getItem(AUTH_KEY);
+
+if (token) {
+    const { loading, error, data, send } = useIpc('auth-user');
+
+    state.authenticating = true;
+
+    // authenticate token against crimata-platform
+    send([token]);
+
+    watch([loading], () => {
+        if (error.value) {
+            console.log('ERROR: failed authentication')
+            window.localStorage.removeItem(AUTH_KEY);
+        }
+        else if (data.value) {
+            state.user = data.value;
+        }
+
+        state.authenticating = false;
+    })
+}
+
+export const useAuth = () => {
+    const setUser = (payload: User, remember: boolean) => {
+        if (remember) {
+            // Save
+            window.localStorage.setItem(AUTH_KEY, payload.access_token);
+        }
+
+        state.user = payload;
+        state.error = undefined;
+    }
+
+    const logout = (): Promise<void> => {
+        window.localStorage.removeItem(AUTH_KEY);
+        return Promise.resolve(state.user = undefined);
+    }
+
+    return {
+        setUser,
+        logout,
+        ...toRefs(state), // authenticating, user, error
+    }
+}