Initial commit

app/app.go

@@ -0,0 +1,86 @@
+package app
+
+import (
+	"regexp"
+
+	"github.com/gofiber/fiber/v2"
+	"github.com/gofiber/fiber/v2/middleware/compress"
+	"github.com/gofiber/fiber/v2/middleware/etag"
+	"github.com/gofiber/fiber/v2/middleware/pprof"
+	"github.com/gofiber/fiber/v2/middleware/recover"
+	"github.com/sirupsen/logrus"
+	"github.com/sujit-baniya/fiber-boilerplate/config"
+)
+
+var Http *config.AppConfig
+
+var Version = "v1.0"
+
+func Load(configFile string) {
+	Http = &config.AppConfig{ConfigFile: configFile}
+	Http.Setup()
+	LoadBuiltInMiddlewares(Http)
+}
+
+func LoadBuiltInMiddlewares(app *config.AppConfig) {
+	app.Server.Use(recover.New())
+	app.Server.Use(etag.New())
+	app.Server.Use(compress.New(compress.Config{
+		Level: 1,
+	}))
+	if app.Server.Debug {
+		app.Server.Use(pprof.New())
+	}
+}
+
+func Location(c *fiber.Ctx) (string, error) {
+	ip := IP(c)
+	_, err := Http.GeoIP.GetLocation(ip)
+	if err != nil {
+		return "127.0.0.1", err
+	}
+	return "127.0.0.1", err
+}
+
+var fetchIpFromString = regexp.MustCompile(`(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})`)
+var possibleHeaderes = []string{
+	"X-Original-Forwarded-For",
+	"X-Forwarded-For",
+	"X-Real-Ip",
+	"X-Client-Ip",
+	"Forwarded-For",
+	"Forwarded",
+	"Remote-Addr",
+	"Client-Ip",
+	"CF-Connecting-IP",
+}
+
+// determine user ip
+func IP(c *fiber.Ctx) string {
+	headerValue := []byte{}
+	if Http.Server.Config().ProxyHeader == "*" {
+		for _, headerName := range possibleHeaderes {
+			headerValue = c.Request().Header.Peek(headerName)
+			if len(headerValue) > 3 {
+				return string(fetchIpFromString.Find(headerValue))
+			}
+		}
+	}
+	headerValue = []byte(c.IP())
+	if len(headerValue) <= 3 {
+		headerValue = []byte("0.0.0.0")
+	}
+
+	// find ip address in string
+	return string(fetchIpFromString.Find(headerValue))
+}
+
+var Logger *logrus.Logger
+
+func InitLogger() {
+	Logger = logrus.New()
+	Logger.SetFormatter(&logrus.TextFormatter{
+		FullTimestamp: true,
+	})
+	Logger.SetLevel(logrus.InfoLevel)
+}