Revert "fix: Take TTL into account when renewing sessions (#49732)" (#…

…51592)

This reverts commit ec870e1.

web/packages/teleport/src/services/websession/websession.ts

@@ -26,8 +26,9 @@ import { KeysEnum, storageService } from 'teleport/services/storageService';
 import makeBearerToken from './makeBearerToken';
 import { RenewSessionRequest } from './types';
 
-const MAX_RENEW_TOKEN_TIME = 180000; // 3m
-const MIN_RENEW_TOKEN_TIME = 30000; // 30s
+// Time to determine when to renew session which is
+// when expiry time of token is less than 3 minutes.
+const RENEW_TOKEN_TIME = 180 * 1000;
 const TOKEN_CHECKER_INTERVAL = 15 * 1000; //  every 15 sec
 const logger = Logger.create('services/session');
 
@@ -145,14 +146,11 @@ const session = {
       return false;
     }
 
-    // Renew session if token expiry time is less than renewTime (with MIN_ and
-    // MAX_RENEW_TOKEN_TIME as floor and ceiling, respectively).
+    // Renew session if token expiry time is less than 3 minutes.
     // Browsers have js timer throttling behavior in inactive tabs that can go
     // up to 100s between timer calls from testing. 3 minutes seems to be a safe number
     // with extra padding.
-    let renewTime = Math.min(this._ttl() / 10, MAX_RENEW_TOKEN_TIME);
-    renewTime = Math.max(renewTime, MIN_RENEW_TOKEN_TIME);
-    return this._timeLeft() < renewTime;
+    return this._timeLeft() < RENEW_TOKEN_TIME;
   },
 
   _renewToken(req: RenewSessionRequest = {}, signal?: AbortSignal) {
@@ -216,21 +214,6 @@ const session = {
     return delta;
   },
 
-  _ttl() {
-    const token = this._getBearerToken();
-    if (!token) {
-      return 0;
-    }
-
-    let { expiresIn, created } = token;
-    if (!created || !expiresIn) {
-      return 0;
-    }
-
-    expiresIn = expiresIn * 1000;
-    return expiresIn;
-  },
-
   _shouldCheckStatus() {
     if (this._getIsRenewing()) {
       return false;