Select Git revision
register.go
register.go 1.81 KiB
package main
import (
"log"
"regexp"
"github.com/gofiber/fiber/v2"
"github.com/syndtr/goleveldb/leveldb"
)
var emailRegexp = regexp.MustCompile(`^[a-z0-9._%+\-]+@[a-z0-9.\-]+\.[a-z]{2,4}$`)
type registration struct {
Email string `json:"email"`
}
// Waitlist registration route
func routeRegister(app *fiber.App, db *leveldb.DB) {
app.Post("/register", func(c *fiber.Ctx) error {
req := new(registration)
if err := c.BodyParser(req); err != nil {
if verbose {
log.Printf("invalid request from %q: %v", c.IP(), err)
}
return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{
"message": "Invalid request",
})
}
// Validate email format
if !emailRegexp.MatchString(req.Email) {
if verbose {
log.Printf("invalid email from %q: %s", c.IP(), req.Email)
}
return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{
"message": "Invalid email format",
})
}
// Check if email is already registered
if ok, err := db.Has([]byte(req.Email), nil); err != nil {
log.Printf("cannot check for existence of email %q: %v", req.Email, err)
return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{
"message": "Error checking registration status",
})
} else if ok {
if verbose {
log.Printf("duplicate email from %q: %s", c.IP(), req.Email)
}
return c.Status(fiber.StatusConflict).JSON(fiber.Map{
"message": "Email already registered",
})
}
// Save the email to the waitlist
if err := db.Put([]byte(req.Email), []byte{'x'}, nil); err != nil {
log.Printf("cannot register email %q: %v", req.Email, err)
return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{
"message": "Error registering email",
})
}
log.Printf("registered email %q", req.Email)
return c.JSON(fiber.Map{
"message": "Email registered successfully",
})
})
}