Update the v-server, enable cors (#1548)

* Update the v-server, enable cors

* Removed the validation and printed the payload.

* Removed unused comment.

* Added the Vserver to the server docs.

packages/UI/docs/server_verification.md

@@ -1,6 +1,10 @@
-# Node.js Server Example for PDF Signature Verification
+# Node.js Server Example for PDF/Editor Signature Verification
 
-This Node.js server is designed to facilitate communication between the server and the PDFSigner component. It includes a `verify` endpoint responsible for verifying requested signatures and returning the validation status.
+This Node.js server is designed to facilitate communication between the server and the `(PDFSigner, ScriptEditor)` components. It includes a `verify` endpoint responsible for verifying requested signatures and returning the validation status.
+
+# Vlang Server Example for PDF/Editor Signature Verification
+
+This Vlang server is designed to facilitate communication between the server and the `(PDFSigner, ScriptEditor)` components. It includes a `verify` endpoint responsible for printing out the request payload.
 
 ## Usage
 
@@ -32,6 +36,17 @@ let payLoad: Payload = {
 };
 ```
 
+The expected request body follows this Vlang pattern:
+
+```vlang
+payLoad := {
+  twinid: 0,
+  pdf_url: "",
+  pubkey: "",
+  signature: "",
+};
+```
+
 ### Response Format
 
 #### Verified Signature
@@ -64,8 +79,16 @@ If the signature cannot be verified, the server will respond with an HTTP status
 
 ### How to run the server
 
+- NodeJS server
+
+```sh
+$server_example/nodejs-server npx ts-node src/server.ts
+```
+
+- Vlang server
+
 ```sh
-$server_example npx ts-node src/server.ts
+$server_example/vlang-server v run main.v
 ```
 
-Use this Node.js server example to handle PDF signature verification within your application.
+Use this NodeJS/Vlang servers examples to handle PDF/Editor signature verification within your application.

packages/UI/examples/server-example/vlang-server/local_server/handlers.v

@@ -1,29 +1,31 @@
 module local_server
-
 import vweb
 import time
-import x.json2
 
 
-pub fn (app &VServerApp) before_request() {
+pub fn (mut app VServerApp) before_request() {
 	eprintln('${time.now()}: ${app.req.method} ${app.req.url}')
 }
 
-@['/api/verify'; post]
+@[options;'/:path...']
+pub fn (mut app VServerApp) preflight(path string) vweb.Result {
+	app.add_header('Vary', 'Access-Control-Request-Headers')
+	app.add_header('Access-Control-Allow-Methods', 'GET,HEAD,PUT,PATCH,POST,DELETE')
+	app.add_header('Access-Control-Allow-Headers', 'Content-Type')
+	app.add_header('Access-Control-Allow-Origin', '*')
+
+	return app.text('options are ok')
+}
+
+@['/api/verify'; POST]
 pub fn (mut app VServerApp) verify() vweb.Result {
-	data := app.req.data
-	payload := json2.decode[Payload](data) or { 
-		app.set_status(400, "")
-		return app.json({
-			"Error": "true",
-			"message": "Please make sure that you sent a valid date."
-			"required_fields": Payload{}.str()
-			"status": '400'
-		})
-	}
 
-	println(payload)
+	app.add_header('Access-Control-Allow-Origin', '*')
+	app.set_status(200, "")
+	data := app.req.data
+	println("Payload: ${data}")
 	return app.json({
-		"data": "id"
+		"data": data
 	})
+
 }

packages/UI/examples/server-example/vlang-server/main.v

@@ -2,7 +2,7 @@ import local_server
 
 fn main (){
 	config := local_server.VServerConfig{
-		port: 2000
+		port: 3000
 	}
 
 	server := local_server.init(config)