Don't write bad password back out to input

Closes #1379.

Author: code-asher

src/browser/pages/login.html

@@ -33,12 +33,9 @@ <h1 class="main">Welcome to code-server</h1>
             <input class="user" type="text" autocomplete="username" />
             <input id="base" type="hidden" name="base" value="/" />
             <div class="field">
-              <!-- The onfocus code places the cursor at the end of the value. -->
               <input
                 required
                 autofocus
-                value="{{VALUE}}"
-                onfocus="const value=this.value;this.value='';this.value=value;"
                 class="password"
                 type="password"
                 placeholder="PASSWORD"

src/node/app/login.ts

@@ -45,11 +45,9 @@ export class LoginHttpProvider extends HttpProvider {
     return undefined
   }
 
-  public async getRoot(route: Route, value?: string, error?: Error): Promise<HttpResponse> {
+  public async getRoot(route: Route, error?: Error): Promise<HttpResponse> {
     const response = await this.getUtf8Resource(this.rootPath, "src/browser/pages/login.html")
-    response.content = response.content
-      .replace(/{{VALUE}}/, value || "")
-      .replace(/{{ERROR}}/, error ? `<div class="error">${error.message}</div>` : "")
+    response.content = response.content.replace(/{{ERROR}}/, error ? `<div class="error">${error.message}</div>` : "")
     return this.replaceTemplates(route, response)
   }
 
@@ -63,15 +61,12 @@ export class LoginHttpProvider extends HttpProvider {
       return { code: HttpCode.Ok }
     }
 
-    let payload: LoginPayload | undefined
     try {
       const data = await this.getData(request)
-      const p = data ? querystring.parse(data) : {}
-      payload = p
-
-      return await this.login(p, route, request)
+      const payload = data ? querystring.parse(data) : {}
+      return await this.login(payload, route, request)
     } catch (error) {
-      return this.getRoot(route, payload ? payload.password : undefined, error)
+      return this.getRoot(route, error)
     }
   }