Merged PR 13583: Add SDKSessionId

Add SDKSessionId

Author: johaddad

src/embed.ts

@@ -222,7 +222,7 @@ export abstract class Embed {
       throw errors;
     }
 
-    return this.service.hpm.post<void>("/report/create", config, { uid: this.config.uniqueId }, this.iframe.contentWindow)
+    return this.service.hpm.post<void>("/report/create", config, { uid: this.config.uniqueId, sdkSessionId: this.service.getSdkSessionId() }, this.iframe.contentWindow)
       .then(response => {
         return response.body;
       },
@@ -288,7 +288,7 @@ export abstract class Embed {
    */
   load(config: IEmbedConfigurationBase, phasedRender?: boolean): Promise<void> {
     const path = phasedRender && config.type === 'report' ? this.phasedLoadPath : this.loadPath;
-    return this.service.hpm.post<void>(path, config, { uid: this.config.uniqueId }, this.iframe.contentWindow)
+    return this.service.hpm.post<void>(path, config, { uid: this.config.uniqueId, sdkSessionId: this.service.getSdkSessionId() }, this.iframe.contentWindow)
       .then(response => {
         utils.assign(this.config, config);
         return response.body;

src/service.ts

@@ -105,6 +105,7 @@ export class Service implements IService {
   /** TODO: Look for way to make wpmp private.  This is only public to allow stopping the wpmp in tests */
   wpmp: wpmp.WindowPostMessageProxy;
   private router: router.Router;
+  private uniqueSessionId: string;
 
   private static DefaultInitEmbedUrl: string = "http://app.powerbi.com/reportEmbed";
 
@@ -120,6 +121,7 @@ export class Service implements IService {
     this.wpmp = wpmpFactory(config.wpmpName, config.logMessages);
     this.hpm = hpmFactory(this.wpmp, null, config.version, config.type);
     this.router = routerFactory(this.wpmp);
+    this.uniqueSessionId = utils.generateUUID();
 
     /**
      * Adds handler for report events.
@@ -296,6 +298,10 @@ export class Service implements IService {
     return this.embeds.length;
   }
 
+  getSdkSessionId(): string {
+    return this.uniqueSessionId;
+  }
+
   /**
    * Given a configuration based on a Power BI element, saves the component instance that reference the element for later lookup.
    *

src/util.ts

@@ -108,6 +108,28 @@ export function createRandomString(): string {
   return (Math.random() + 1).toString(36).substring(7);
 }
 
+/**
+ * Generates a 20 charachter uuid.
+ * 
+ * @export
+ * @returns {string}
+ */
+export function generateUUID(): string {
+  let d = new Date().getTime();
+  if (typeof performance !== 'undefined' && typeof performance.now === 'function') {
+    d += performance.now();
+  }
+  return 'xxxxxxxxxxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
+    // Generate a random number, scaled from 0 to 16.
+    // Bitwise-and by 15 since we only care about the last 4 bits.
+    const r = (d + Math.random() * 16) & 15 | 0;
+
+    // Shift 4 times to divide by 16
+    d >>= 4;
+    return r.toString(16);
+  });
+}
+
 /**
  * Adds a parameter to the given url
  *