101 lines
2 KiB
Go
101 lines
2 KiB
Go
package main
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import (
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"log"
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"net/http"
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"regexp"
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"time"
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"github.com/go-redis/redis"
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"github.com/gofiber/fiber/v2"
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"github.com/gofiber/fiber/v2/middleware/limiter"
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"github.com/gofiber/template/html"
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gonanoid "github.com/matoous/go-nanoid/v2"
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)
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func main() {
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engine := html.NewFileSystem(http.Dir("./views"), ".html")
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app := fiber.New(fiber.Config{
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Views: engine,
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})
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client := redis.NewClient(&redis.Options{
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Addr: "redis:6379",
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Password: "",
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DB: 0,
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})
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_, err := client.Ping().Result()
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if err != nil {
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log.Fatal(err)
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}
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app.Get("/", func(c *fiber.Ctx) error {
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return c.Render("home", fiber.Map{})
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})
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type EUrl struct {
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URL string `form:"surl"`
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}
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app.Get("/:id", func(c *fiber.Ctx) error {
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val, err := client.Get(c.Params("id")).Result()
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if err != nil {
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return c.Render("404", fiber.Map{
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"BASEURL": c.Protocol() + "://" + c.Hostname(),
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})
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}
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return c.Redirect(val)
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})
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app.Use(limiter.New(limiter.Config{
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Max: 10,
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Expiration: 60 * time.Second,
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LimitReached: func(c *fiber.Ctx) error {
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return c.Render("home", fiber.Map{
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"ERR": "You have reached the limit of requests! Please check back later. (1 minute)",
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})
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},
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}))
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app.Post("/", func(c *fiber.Ctx) error {
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u := new(EUrl)
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if err := c.BodyParser(u); err != nil {
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return c.Render("home", fiber.Map{
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"ERR": "Parsing Error",
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})
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}
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if !regexp.MustCompile(`^(http|https|mailto|ts3server)://`).MatchString(u.URL) {
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return c.Render("home", fiber.Map{
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"ERR": "Invalid URL, please check and try again.",
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})
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}
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id, err := gonanoid.New(8)
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if err != nil {
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return c.Render("home", fiber.Map{
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"ERR": err.Error(),
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})
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}
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err = client.Set(id, u.URL, 1296000*time.Second).Err()
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if err != nil {
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return c.Render("home", fiber.Map{
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"ERR": err.Error(),
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})
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}
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fURL := c.Protocol() + "://" + c.Hostname() + "/" + id
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return c.Render("home", fiber.Map{
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"URL": fURL,
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})
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})
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log.Fatal(app.Listen(":3000"))
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}
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