Merge pull request #429 from Esri/patch/314

fix: expose option to customize expiration of ApplicationSession tokens

package.json

@@ -56,7 +56,7 @@
     "ts-node": "^3.3.0",
     "tslint": "^5.11.0",
     "tslint-config-prettier": "^1.6.0",
-    "tslint-config-standard": "^6.0.1",
+    "tslint-config-standard": "^8.0.1",
     "typedoc": "^0.12.0",
     "typescript": "^3.0.0"
   },
@@ -75,7 +75,7 @@
   },
   "scripts": {
     "build": "lerna run build",
-    "test": "npm run test:node && npm run test:chrome",
+    "test": "npm run lint && npm run test:node && npm run test:chrome",
     "test:chrome:debug": "karma start --auto-watch --no-single-run --browsers=Chrome",
     "test:chrome": "karma start --single-run --browsers=Chrome",
     "test:chrome:ci": "karma start --single-run --browsers ChromeHeadlessCI karma.conf.js",

packages/arcgis-rest-auth/src/ApplicationSession.ts

@@ -31,11 +31,16 @@ export interface IApplicationSessionOptions {
    * Expiration date for the `token`
    */
   expires?: Date;
-  
+
   /**
    * URL of ArcGIS REST base, defaults to "https://www.arcgis.com/sharing/rest"
    */
   portal?: string;
+
+  /**
+   * Duration of requested tokens in minutes. defaults to 7200 (5 days).
+   */
+  duration?: number;
 }
 
 /**
@@ -56,6 +61,7 @@ export class ApplicationSession implements IAuthenticationManager {
   private clientSecret: string;
   private token: string;
   private expires: Date;
+  private duration: number;
 
   /**
    * Internal object to keep track of pending token requests. Used to prevent
@@ -69,10 +75,11 @@ export class ApplicationSession implements IAuthenticationManager {
     this.token = options.token;
     this.expires = options.expires;
     this.portal = options.portal || "https://www.arcgis.com/sharing/rest";
+    this.duration = options.duration || 7200;
   }
 
   // url isnt actually read or passed through.
-  getToken(
+  public getToken(
     url: string,
     requestOptions?: ITokenRequestOptions
   ): Promise<string> {
@@ -89,12 +96,13 @@ export class ApplicationSession implements IAuthenticationManager {
     return this._pendingTokenRequest;
   }
 
-  refreshToken(requestOptions?: ITokenRequestOptions): Promise<string> {
+  public refreshToken(requestOptions?: ITokenRequestOptions): Promise<string> {
     const options = {
       params: {
         client_id: this.clientId,
         client_secret: this.clientSecret,
-        grant_type: "client_credentials"
+        grant_type: "client_credentials",
+        expiration: this.duration
       },
       ...requestOptions
     };
@@ -108,7 +116,7 @@ export class ApplicationSession implements IAuthenticationManager {
     );
   }
 
-  refreshSession() {
+  public refreshSession() {
     return this.refreshToken().then(() => this);
   }
 }