crypto api inconsistency error resolved

Author: VishnuGadekar7

docker/Dockerfile

@@ -1,4 +1,4 @@
-FROM node:lts-alpine as BUILD
+FROM node:lts-alpine as build
 
 WORKDIR /chat-e2ee
 # todo break apart client and server dep installs/builds so that they can be cached b/w builds
@@ -15,11 +15,11 @@ FROM node:lts-alpine
 WORKDIR /chat-e2ee
 COPY package*.json /chat-e2ee/
 RUN mkdir -p /chat-e2ee/client/dist
-COPY --from=BUILD  /chat-e2ee/dist /chat-e2ee/dist
-COPY --from=BUILD /chat-e2ee/client/dist /chat-e2ee/client/dist
+COPY --from=build  /chat-e2ee/dist /chat-e2ee/dist
+COPY --from=build /chat-e2ee/client/dist /chat-e2ee/client/dist
 
 # dont install dev deps
-ENV NODE_ENV "production"
+ENV NODE_ENV=production
 # dont run scripts to avoid pulling all client build deps + stuff
 RUN npm ci --ignore-scripts=true --omit dev
 

service/src/cryptoAES.ts

@@ -30,13 +30,13 @@ export class AesGcmEncryption {
         if (!this.aesKeyLocal) {
             throw new Error('AES key not generated');
         }
-        const jsonWebKey = await crypto.subtle.exportKey("jwk", this.aesKeyLocal);
+        const jsonWebKey = await window.crypto.subtle.exportKey("jwk", this.aesKeyLocal);
         return JSON.stringify(jsonWebKey);
     }
 
     public async setRemoteAesKey(key: string): Promise<void> {
         const jsonWebKey = JSON.parse(key);
-        this.aesKeyRemote = await crypto.subtle.importKey(
+        this.aesKeyRemote = await window.crypto.subtle.importKey(
             "jwk",
             jsonWebKey,
             { name: "AES-GCM" },
@@ -47,13 +47,13 @@ export class AesGcmEncryption {
     }
 
     public async encryptData(data: ArrayBuffer) {
-        if(!this.aesKeyLocal) {
+        if (!this.aesKeyLocal) {
             throw new Error('Local AES key not generated.')
         };
         // Generate an Initialization Vector (IV) for AES-GCM (12 bytes)
-        const iv = crypto.getRandomValues(new Uint8Array(12));
+        const iv = window.crypto.getRandomValues(new Uint8Array(12));
         // Encrypt the frame data using AES-GCM
-        const encryptedData = await crypto.subtle.encrypt(
+        const encryptedData = await window.crypto.subtle.encrypt(
             {
                 name: "AES-GCM",
                 iv: iv
@@ -70,7 +70,7 @@ export class AesGcmEncryption {
         if (!this.aesKeyRemote) {
             throw new Error('Remote AES key not set.')
         }
-        return crypto.subtle.decrypt(
+        return window.crypto.subtle.decrypt(
             {
                 name: "AES-GCM",
                 iv