Add login functionality

Sources/App/JSONDecode.swift

@@ -3,6 +3,6 @@ import Vapor
 
 struct Config: Codable {
     let title: String
-    let showSourceBtn: Bool
+    let passwordHash: String
     let services: [String:[[String:String]]]
 }

Sources/App/configure.swift

@@ -8,6 +8,9 @@ public func configure(_ app: Application) throws {
     // Serve files from /Public
     app.middleware.use(FileMiddleware(publicDirectory: app.directory.publicDirectory))
 
+    app.middleware.use(app.sessions.middleware)
+    app.sessions.configuration.cookieName = "statusboard_session"
+
     // Configure Leaf
     LeafOption.caching = app.environment.isRelease ? .default : .bypass
     LeafRenderer.Option.timeout = 200.0

Sources/App/context.swift

@@ -0,0 +1,7 @@
+import Foundation
+import Vapor
+
+struct LContext: Codable {
+    let config: Config
+    let loggedIn: Bool
+}

Sources/App/login.swift

@@ -0,0 +1,6 @@
+import Foundation
+import Vapor
+
+struct Login: Codable {
+    let password: String?
+}

Sources/App/routes.swift

@@ -1,5 +1,6 @@
 import Vapor
 import Foundation
+import Crypto
 import Leaf
 
 func routes(_ app: Application) throws {
@@ -7,7 +8,9 @@ func routes(_ app: Application) throws {
     app.get { req  -> EventLoopFuture<View> in
         let fileData = try String(contentsOfFile: "\(app.directory.resourcesDirectory)/config.json").data(using: .utf8)
         let config: Config = try! JSONDecoder().decode(Config.self, from: fileData!)
-        return req.view.render("home", ["config": config])
+        let loginStatus = req.session.data["loggedIn"] ?? "false"
+        let loginBool = loginStatus == "true" ? true : false
+        return req.view.render("home", LContext(config: config, loggedIn: loginBool))
     }
 
     app.get("status", ":url") { req -> EventLoopFuture<[String: String]> in
@@ -18,4 +21,34 @@ func routes(_ app: Application) throws {
             ["down": String(json.isitdown), "code": String(json.response_code)]
         }
     }
+
+    app.get("login") { req -> EventLoopFuture<View> in
+        let fileData = try String(contentsOfFile: "\(app.directory.resourcesDirectory)/config.json").data(using: .utf8)
+        let config: Config = try! JSONDecoder().decode(Config.self, from: fileData!)
+        return req.view.render("login", LContext(config: config, loggedIn: false))
+    }
+
+    app.post("login") { req -> Response in
+        let data = try req.content.decode(Login.self)
+        let fileData = try String(contentsOfFile: "\(app.directory.resourcesDirectory)/config.json").data(using: .utf8)
+        let config: Config = try! JSONDecoder().decode(Config.self, from: fileData!)
+        let loginPassData = data.password?.data(using: .utf8)
+        let loginPassHash = SHA256.hash(data: loginPassData ?? "".data(using: .utf8)!)
+        let stringHash = loginPassHash.map { String(format: "%02hhx", $0) }.joined()
+        print("Recv: \(stringHash)")
+        print("Conf: \(config.passwordHash)")
+        if stringHash == config.passwordHash {
+            req.session.data["loggedIn"] = "true"
+            return try req.redirect(to: "/")
+        } else {
+            throw Abort(.unauthorized)
+        }
+    }
+
+    app.get("logout") { req -> Response in
+        req.session.destroy()
+        return try req.redirect(to: "/")
+    }
+
+
 }