From 577e9ee0a33f580674c422ff07c130a7ed72649d Mon Sep 17 00:00:00 2001
From: Michael Telatynski <7t3chguy@gmail.com>
Date: Fri, 30 Oct 2020 17:45:52 +0000
Subject: [PATCH 1/2] Fix method bindings

---
 src/CountlyAnalytics.ts | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/CountlyAnalytics.ts b/src/CountlyAnalytics.ts
index 600a9be1bf..476508ce8c 100644
--- a/src/CountlyAnalytics.ts
+++ b/src/CountlyAnalytics.ts
@@ -666,11 +666,11 @@ export default class CountlyAnalytics {
         return window.innerWidth > window.innerHeight ? Orientation.Landscape : Orientation.Portrait;
     };
 
-    private reportOrientation() {
+    private reportOrientation = () => {
         this.track<IOrientationEvent>("[CLY]_orientation", {
             mode: this.getOrientation(),
         });
-    }
+    };
 
     private startTime() {
         if (!this.trackTime) {
@@ -754,7 +754,7 @@ export default class CountlyAnalytics {
         }
     }
 
-    private endSession() {
+    private endSession = () => {
         if (this.sessionStarted) {
             window.removeEventListener("resize", this.reportOrientation)
 
@@ -765,7 +765,7 @@ export default class CountlyAnalytics {
             });
         }
         this.sessionStarted = false;
-    }
+    };
 
     private onVisibilityChange = () => {
         if (document.hidden) {

From 7b625dbe0dfb76fa19c3f2ec20fb48875159067e Mon Sep 17 00:00:00 2001
From: Michael Telatynski <7t3chguy@gmail.com>
Date: Fri, 30 Oct 2020 18:04:19 +0000
Subject: [PATCH 2/2] sanitize error reports

---
 src/CountlyAnalytics.ts | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/src/CountlyAnalytics.ts b/src/CountlyAnalytics.ts
index 476508ce8c..36d4b5ae8c 100644
--- a/src/CountlyAnalytics.ts
+++ b/src/CountlyAnalytics.ts
@@ -343,6 +343,18 @@ const getRoomStats = (roomId: string) => {
     }
 }
 
+// async wrapper for regex-powered String.prototype.replace
+const strReplaceAsync = async (str: string, regex: RegExp, fn: (...args: string[]) => Promise<string>) => {
+    const promises: Promise<string>[] = [];
+    // dry-run to calculate the replace values
+    str.replace(regex, (...args: string[]) => {
+        promises.push(fn(...args));
+        return "";
+    });
+    const values = await Promise.all(promises);
+    return str.replace(regex, () => values.shift());
+};
+
 export default class CountlyAnalytics {
     private baseUrl: URL = null;
     private appKey: string = null;
@@ -495,7 +507,7 @@ export default class CountlyAnalytics {
         return this.lastMsTs;
     }
 
-    public recordError(err: Error | string, fatal = false) {
+    public async recordError(err: Error | string, fatal = false) {
         if (this.disabled || this.anonymous) return;
 
         let error = "";
@@ -523,6 +535,11 @@ export default class CountlyAnalytics {
             error = err + "";
         }
 
+        // sanitize the error from identifiers
+        error = await strReplaceAsync(error, /([!@+#]).+?:[\w:.]+/g, async (substring: string, glyph: string) => {
+            return glyph + await hashHex(substring.substring(1));
+        });
+
         const metrics = this.getMetrics();
         const ob: ICrash = {
             _resolution: metrics?._resolution,