Added initial Login Routes

src/main/kotlin/routes/LoginRoutes.kt

@@ -0,0 +1,42 @@
+package codes.kalar.routes
+
+import codes.kalar.model.User
+import com.auth0.jwt.JWT
+import com.auth0.jwt.algorithms.Algorithm
+import io.ktor.http.HttpStatusCode
+import io.ktor.server.application.*
+import io.ktor.server.request.receive
+import io.ktor.server.response.respond
+import io.ktor.server.routing.post
+import io.ktor.server.routing.routing
+import java.util.Date
+
+fun Application.configureLoginRoutes() {
+    val secret = environment.config.property("jwt.secret").getString()
+    val issuer = environment.config.property("jwt.issuer").getString()
+    val audience = environment.config.property("jwt.audience").getString()
+    val myRealm = environment.config.property("jwt.realm").getString()
+
+    routing {
+        post("/login") {
+            try {
+                val user = call.receive<User>()
+                val name = user.name
+                val password = user.password
+
+                // TODO Check is username exists and password matches
+
+                val token = JWT.create()
+                    .withAudience(audience)
+                    .withIssuer(issuer)
+                    .withClaim("name", name)
+                    .withExpiresAt(Date(System.currentTimeMillis() + 160000))
+                    .sign(Algorithm.HMAC256(secret))
+                call.respond(hashMapOf("token" to token))
+            } catch (e: Exception) {
+                call.respond(HttpStatusCode.BadRequest, e.message ?: "Something went wrong")
+            }
+
+        }
+    }
+}