feat: add tls.servername option for fetch

Author: mrkurt

packages/core/src/bridge/fetch/http.ts

@@ -51,7 +51,11 @@ export function handleRequest(
       }
 
       if (httpFn === https.request) {
-        reqOptions.servername = reqOptions.hostname
+        if (init.tls && init.tls.servername) {
+          reqOptions.servername = init.tls.servername
+        } else {
+          reqOptions.servername = reqOptions.hostname
+        }
       }
 
       req = httpFn(reqOptions)

packages/core/src/bridge/fetch/types.ts

@@ -8,6 +8,9 @@ export interface RequestInit {
   readTimeout?: number
   headers?: Record<string, string>
   certificate?: Certificate
+  tls?: {
+    servername?: string
+  }
 }
 
 export type FetchBody = string | number | ArrayBuffer | Buffer | null

packages/v8env/src/fetch.ts

@@ -16,6 +16,9 @@ export interface FlyRequestInit extends RequestInit {
     pfx?: string | Buffer | Array<string | Buffer>
     passphrase?: string
   }
+  tls?: {
+    servername?: string
+  }
 }
 
 /**
@@ -40,7 +43,8 @@ export function fetch(req: RequestInfo, init?: FlyRequestInit): Promise<Response
         headers: (req.headers && req.headers.toJSON()) || {},
         timeout: init && init.timeout,
         readTimeout: (init && init.readTimeout) || 30 * 1000,
-        certificate: init && init.certificate
+        certificate: init && init.certificate,
+        tls: init && init.tls
       }
       if (!req.bodySource) {
         bridge.dispatch("fetch", url, init, null, fetchCb)