hostname-service/main.go

/*
Copyright 2024 Florian Beisel.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package main

import (
	"log"

	"git.beisel.it/florian/hostname-service/api"
	"git.beisel.it/florian/hostname-service/auth"
	"git.beisel.it/florian/hostname-service/config"
	"git.beisel.it/florian/hostname-service/db"
	"git.beisel.it/florian/hostname-service/docs"
	"git.beisel.it/florian/hostname-service/middleware"
	"github.com/gin-gonic/gin"
	swaggerFiles "github.com/swaggo/files"
	ginSwagger "github.com/swaggo/gin-swagger"
)

//	@title			Hostname Service API
//	@description	This is a sample server for a hostname service.
//	@version		1
//	@contact.name	Florian Beisel
//	@contact.url	http://git.beisel.it/florian
//	@contact.email	florian@beisel.it
//	@license.name	Apache 2.0
//	@license.url	http://www.apache.org/licenses/LICENSE-2.0.html

//	@host		localhost:8080
//	@BasePath	/api/v1

//	@securityDefinitions.apikey	Bearer
//	@in							header
//	@name						Authorization
//	@description				Type "Bearer" followed by a space and JWT token.

func main() {

	err := config.LoadConfig()
	if err != nil {
		log.Fatalf("Failed to load configuration: %v", err)
	}

	gin.SetMode(gin.DebugMode)

	db.Init(config.GlobalConfig.DatabaseFile)

	router := gin.Default()

	docs.SwaggerInfo.Host = "localhost:8080"
	docs.SwaggerInfo.BasePath = "/api/v1"

	v1 := router.Group("/api/v1")
	{
		// public routes
		v1.POST("/login", auth.LoginHandler)

		// Protected Routes
		authenticated := v1.Group("/").Use(middleware.Authenticate())
		{
			authenticated.GET("/hello", api.Helloworld)

			// Create Host
			authenticated.POST("/:category", func(c *gin.Context) {
				api.CreateOrUpdateHostname(c, false)
			})

			// Get Host Details
			authenticated.GET("/:category/:hostname", api.GetHostnameByCategoryAndName)

			// Update Host
			authenticated.PUT("/:category/:oldhostname", func(c *gin.Context) {
				api.CreateOrUpdateHostname(c, true)
			})

			// Delete Host
			authenticated.DELETE("/:category/:hostname", api.DeleteHostname)

			// List Hostnames
			authenticated.GET("/:category", api.ListHostnamesByCategory)
		}
	}

	// Swagger endpoint
	router.GET("/swagger/*any", ginSwagger.WrapHandler(swaggerFiles.Handler))

	router.Run(":8080")
}