1 files changed, 57 insertions, 0 deletions
diff --git a/opendc-web/opendc-web-ui/src/auth/index.js b/opendc-web/opendc-web-ui/src/auth/index.js
new file mode 100644
index 00000000..b5953990
--- /dev/null
+++ b/opendc-web/opendc-web-ui/src/auth/index.js
@@ -0,0 +1,57 @@
+import { LOG_IN_SUCCEEDED, LOG_OUT } from '../actions/auth'
+import { DELETE_CURRENT_USER_SUCCEEDED } from '../actions/users'
+
+const getAuthObject = () => {
+    const authItem = localStorage.getItem('auth')
+    if (!authItem || authItem === '{}') {
+        return undefined
+    }
+    return JSON.parse(authItem)
+}
+
+export const userIsLoggedIn = () => {
+    const authObj = getAuthObject()
+
+    if (!authObj || !authObj.googleId) {
+        return false
+    }
+
+    const currentTime = new Date().getTime()
+    return parseInt(authObj.expiresAt, 10) - currentTime > 0
+}
+
+export const getAuthToken = () => {
+    const authObj = getAuthObject()
+    if (!authObj) {
+        return undefined
+    }
+
+    return authObj.authToken
+}
+
+export const saveAuthLocalStorage = (payload) => {
+    localStorage.setItem('auth', JSON.stringify(payload))
+}
+
+export const clearAuthLocalStorage = () => {
+    localStorage.setItem('auth', '')
+}
+
+export const authRedirectMiddleware = (store) => (next) => (action) => {
+    switch (action.type) {
+        case LOG_IN_SUCCEEDED:
+            saveAuthLocalStorage(action.payload)
+            window.location.href = '/projects'
+            break
+        case LOG_OUT:
+        case DELETE_CURRENT_USER_SUCCEEDED:
+            clearAuthLocalStorage()
+            window.location.href = '/'
+            break
+        default:
+            next(action)
+            return
+    }
+
+    next(action)
+}