fix

Author: geropl

components/server/src/authorization/spicedb-authorizer.ts

@@ -14,7 +14,7 @@ import * as grpc from "@grpc/grpc-js";
 import { isFgaChecksEnabled, isFgaWritesEnabled } from "./authorizer";
 import { base64decode } from "@jmondi/oauth2-server";
 import { DecodedZedToken } from "@gitpod/spicedb-impl/lib/impl/v1/impl.pb";
-import { ctxGetCache, ctxSetCache } from "../util/request-context";
+import { ctxTryGetCache, ctxTrySetCache } from "../util/request-context";
 import { ApplicationError, ErrorCodes } from "@gitpod/gitpod-protocol/lib/messaging/error";
 
 async function tryThree<T>(errMessage: string, code: (attempt: number) => Promise<T>): Promise<T> {
@@ -242,10 +242,10 @@ interface ZedTokenCache {
 // "contribute" a cache shape to the request context
 type ZedTokenCacheType = StoredZedToken;
 const ctxCacheSetZedToken = (zedToken: StoredZedToken | undefined): void => {
-    ctxSetCache<ZedTokenCacheType>("zedToken", zedToken);
+    ctxTrySetCache<ZedTokenCacheType>("zedToken", zedToken);
 };
 const ctxCacheGetZedToken = (): StoredZedToken | undefined => {
-    return ctxGetCache<ZedTokenCacheType>("zedToken");
+    return ctxTryGetCache<ZedTokenCacheType>("zedToken");
 };
 
 /**

components/server/src/util/request-context.ts

@@ -109,17 +109,22 @@ export function ctxCheckAborted() {
 
 /** Encode cache keys in type to avoid clashes at compile time */
 type CacheKey = "zedToken";
-export function ctxGetCache<T extends Object>(key: CacheKey, d: T | undefined = undefined): T | undefined {
-    return ctxGet().cache[key] || d;
+export function ctxTryGetCache<T extends Object>(key: CacheKey, d: T | undefined = undefined): T | undefined {
+    return ctxTryGet()?.cache[key] || d;
 }
 
 type UpdateCache<T> = (prev: T | undefined) => T | undefined;
-export function ctxSetCache<T extends Object>(key: CacheKey, value: T | undefined | UpdateCache<T>) {
+export function ctxTrySetCache<T extends Object>(key: CacheKey, value: T | undefined | UpdateCache<T>) {
+    const cache = ctxTryGet()?.cache;
+    if (!cache) {
+        return;
+    }
+
     if (typeof value === "function") {
-        const prev = ctxGetCache<T>(key);
+        const prev = ctxTryGetCache<T>(key);
         value = value(prev);
     }
-    ctxGet().cache[key] = value;
+    cache[key] = value;
 }
 
 export type RequestContextSeed = Omit<RequestContext, "requestId" | "startTime" | "cache"> & {