1 files changed, 92 insertions, 0 deletions
diff --git a/public/js/lib/common/login.js b/public/js/lib/common/login.js
new file mode 100644
index 00000000..12cc41fc
--- /dev/null
+++ b/public/js/lib/common/login.js
@@ -0,0 +1,92 @@
+import { serverurl } from '../config';
+
+let checkAuth = false;
+let profile = null;
+let lastLoginState = getLoginState();
+let lastUserId = getUserId();
+let loginStateChangeEvent = null;
+
+export function setloginStateChangeEvent(func) {
+    loginStateChangeEvent = func;
+}
+
+export function resetCheckAuth() {
+    checkAuth = false;
+}
+
+export function setLoginState(bool, id) {
+    Cookies.set('loginstate', bool, {
+        expires: 365
+    });
+    if (id) {
+        Cookies.set('userid', id, {
+            expires: 365
+        });
+    } else {
+        Cookies.remove('userid');
+    }
+    lastLoginState = bool;
+    lastUserId = id;
+    checkLoginStateChanged();
+}
+
+export function checkLoginStateChanged() {
+    if (getLoginState() != lastLoginState || getUserId() != lastUserId) {
+        if(loginStateChangeEvent) {
+            loginStateChangeEvent();
+        }
+        return true;
+    } else {
+        return false;
+    }
+}
+
+export function getLoginState() {
+    const state = Cookies.get('loginstate');
+    return state === "true" || state === true;
+}
+
+export function getUserId() {
+    return Cookies.get('userid');
+}
+
+export function clearLoginState() {
+    Cookies.remove('loginstate');
+}
+
+export function checkIfAuth(yesCallback, noCallback) {
+    const cookieLoginState = getLoginState();
+    if (checkLoginStateChanged())
+        checkAuth = false;
+    if (!checkAuth || typeof cookieLoginState == 'undefined') {
+        $.get(`${serverurl}/me`)
+            .done(data => {
+                if (data && data.status == 'ok') {
+                    profile = data;
+                    yesCallback(profile);
+                    setLoginState(true, data.id);
+                } else {
+                    noCallback();
+                    setLoginState(false);
+                }
+            })
+            .fail(() => {
+                noCallback();
+            })
+            .always(() => {
+                checkAuth = true;
+            });
+    } else if (cookieLoginState) {
+        yesCallback(profile);
+    } else {
+        noCallback();
+    }
+}
+
+export default {
+    checkAuth,
+    profile,
+    lastLoginState,
+    lastUserId,
+    loginStateChangeEvent
+};