successful implementation of different approach

1 files changed, 16 insertions, 57 deletions

diff --git a/src/server/index.ts b/src/server/index.ts
index 0a02b667e..f4bbd4423 100644
--- a/src/server/index.ts
+++ b/src/server/index.ts
@@ -300,7 +300,6 @@ const ServicesApiKeyMap = new Map<string, string | undefined>([
     ["face", process.env.FACE],
     ["vision", process.env.VISION],
     ["handwriting", process.env.HANDWRITING],
-    ["transcription", process.env.TRANSCRIPTION]
 ]);
 
 addSecureRoute(Method.GET, (user, res, req) => {
@@ -308,60 +307,6 @@ addSecureRoute(Method.GET, (user, res, req) => {
     res.send(ServicesApiKeyMap.get(service));
 }, undefined, `${RouteStore.cognitiveServices}/:requestedservice`);
 
-addSecureRoute(
-    Method.GET,
-    (user, res, req) => {
-        let asset = req.params.asset;
-        let pushStream = AudioInputStream.createPushStream();
-        let readStream = fs.createReadStream(path.join(__dirname, '../../deploy/assets/' + asset));
-
-        let apiKey = process.env.TRANSCRIPTION;
-        if (!apiKey) {
-            res.send(undefined);
-            return;
-        }
-
-        console.log("API KEY FOUND: ", apiKey);
-
-        readStream.on('data', arrayBuffer => {
-            pushStream.write(arrayBuffer.buffer);
-            console.log(arrayBuffer.buffer);
-        });
-        readStream.on('end', () => pushStream.close());
-        readStream.on('error', (error) => {
-            console.log("ERROR! ", error);
-            res.end(error);
-        });
-
-        let audioConfig = AudioConfig.fromStreamInput(pushStream);
-        let speechConfig = SpeechConfig.fromSubscription(apiKey, "eastus");
-
-        console.log("Here are the configs!");
-        console.log(audioConfig);
-        console.log(speechConfig);
-
-        speechConfig.speechRecognitionLanguage = "en-US";
-
-        let recognizer: Opt<SpeechRecognizer> = new SpeechRecognizer(speechConfig, audioConfig);
-        recognizer.recognizeOnceAsync(
-            (result: SpeechRecognitionResult) => {
-                console.log("RESULT! ", result);
-                res.send(result);
-                recognizer && recognizer.close();
-                recognizer = undefined;
-            },
-            (error: string) => {
-                console.log("RESULT ERROR: ", error);
-                res.send(error);
-                recognizer && recognizer.close();
-                recognizer = undefined;
-            },
-        );
-    },
-    undefined,
-    `${RouteStore.audioData}/:asset`
-);
-
 class NodeCanvasFactory {
     create = (width: number, height: number) => {
         var canvas = createCanvas(width, height);
@@ -494,8 +439,22 @@ app.post(RouteStore.forgot, postForgot);
 app.get(RouteStore.reset, getReset);
 app.post(RouteStore.reset, postReset);
 
-app.use(RouteStore.corsProxy, (req, res) =>
-    req.pipe(request(decodeURIComponent(req.url.substring(1)))).pipe(res));
+const headerCharRegex = /[^\t\x20-\x7e\x80-\xff]/;
+app.use(RouteStore.corsProxy, (req, res) => {
+    req.pipe(request(decodeURIComponent(req.url.substring(1)))).on("response", res => {
+        const headers = Object.keys(res.headers);
+        headers.forEach(headerName => {
+            const header = res.headers[headerName];
+            if (Array.isArray(header)) {
+                res.headers[headerName] = header.filter(h => !headerCharRegex.test(h));
+            } else if (header) {
+                if (headerCharRegex.test(header as any)) {
+                    delete res.headers[headerName];
+                }
+            }
+        });
+    }).pipe(res);
+});
 
 app.get(RouteStore.delete, (req, res) => {
     if (release) {