0.2.5 initial commit

Makefile incomplete

ui/src/app/services/auth.service.ts

@@ -0,0 +1,62 @@
+import { Injectable } from '@angular/core'
+import { BehaviorSubject, Subscription } from 'rxjs'
+import { distinctUntilChanged } from 'rxjs/operators'
+import { ApiService } from './api/api.service'
+import { chill } from '../util/misc.util'
+import { isUnauthorized } from '../util/web.util'
+import { Storage } from '@ionic/storage'
+import { StorageKeys } from '../models/storage-keys'
+
+export enum AuthState {
+  UNVERIFIED,
+  VERIFIED,
+  INITIALIZING,
+}
+@Injectable({
+  providedIn: 'root',
+})
+export class AuthService {
+  private readonly $authState$: BehaviorSubject<AuthState> = new BehaviorSubject(AuthState.INITIALIZING)
+
+  constructor (
+    private readonly api: ApiService,
+    private readonly storage: Storage,
+  ) { }
+
+  peek (): AuthState { return this.$authState$.getValue() }
+  listen (callback: Partial<{ [k in AuthState]: () => any }>): Subscription {
+    return this.$authState$.pipe(distinctUntilChanged()).subscribe(s => {
+      return (callback[s] || chill)()
+    })
+  }
+
+  async login (password: string) {
+    try {
+      await this.api.postLogin(password)
+      await this.storage.set(StorageKeys.LOGGED_IN_KEY, true)
+      this.$authState$.next(AuthState.VERIFIED)
+    } catch (e) {
+      if (isUnauthorized(e)) {
+        this.$authState$.next(AuthState.UNVERIFIED)
+        throw { name: 'invalid', message: 'invalid credentials' }
+      }
+      console.error(`Failed login attempt`, e)
+      throw e
+    }
+  }
+
+  async restoreCache (): Promise<AuthState> {
+    const loggedIn = await this.storage.get(StorageKeys.LOGGED_IN_KEY)
+    if (loggedIn) {
+      this.$authState$.next(AuthState.VERIFIED)
+      return AuthState.VERIFIED
+    } else {
+      this.$authState$.next(AuthState.UNVERIFIED)
+      return AuthState.UNVERIFIED
+    }
+  }
+
+  async setAuthStateUnverified (): Promise<void> {
+    this.$authState$.next(AuthState.UNVERIFIED)
+  }
+}