provide fix for CR header and backwards compatibility with legacy servers

packages/server/src/definitions/datasource.ts

@@ -34,6 +34,7 @@ export interface RestConfig {
   defaultHeaders: {
     [key: string]: any
   }
+  legacyHttpParser: boolean
   authConfigs: AuthConfig[]
   staticVariables: {
     [key: string]: string

packages/server/src/integrations/rest.ts

@@ -79,6 +79,11 @@ module RestModule {
         required: false,
         default: {},
       },
+      legacyHttpParser: {
+        type: DatasourceFieldType.BOOLEAN,
+        required: false,
+        default: false,
+      },
     },
     query: {
       create: {
@@ -233,9 +238,6 @@ module RestModule {
       pagination: PaginationConfig | null,
       paginationValues: PaginationValues | null
     ) {
-      // https://github.com/nodejs/node/issues/43798
-      input.extraHttpOptions = { insecureHTTPParser: true }
-
       if (!input.headers) {
         input.headers = {}
       }
@@ -380,6 +382,11 @@ module RestModule {
         paginationValues
       )
 
+      if (this.config.legacyHttpParser) {
+        // https://github.com/nodejs/node/issues/43798
+        input.extraHttpOptions = { insecureHTTPParser: true }
+      }
+
       this.startTimeMs = performance.now()
       const url = this.getUrl(path, queryString, pagination, paginationValues)
       const response = await fetch(url, input)

packages/server/src/integrations/tests/rest.spec.js

@@ -529,4 +529,21 @@ describe("REST Integration", () => {
       expect(res.pagination.cursor).toEqual(123)
     })
   })
+
+  describe("Configuration options", () => {
+    it("Attaches insecureHttpParams when legacy HTTP Parser option is set", async () => {
+      config = new TestConfiguration({
+        url: BASE_URL,
+        legacyHttpParser: true
+      })
+      await config.integration.read({})
+      expect(fetch).toHaveBeenCalledWith(`${BASE_URL}/?`, {
+        method: "GET",
+        headers: {},
+        extraHttpOptions: {
+          insecureHTTPParser: true
+        }
+      })
+    })
+  })
 })