1 files changed, 0 insertions, 170 deletions
diff --git a/icanhazallips.go b/icanhazallips.go
deleted file mode 100644
index 1564ef4..0000000
--- a/icanhazallips.go
+++ /dev/null
@@ -1,170 +0,0 @@
-// https://gist.github.com/miguelmota/7b765edff00dc676215d6174f3f30216
-package main
-
-import (
-	"errors"
-	"log"
-	"net"
-	"net/http"
-	"os"
-	"strconv"
-	"strings"
-	"time"
-)
-
-const (
-	defaultTimeOut = 10.
-)
-
-var (
-	errMalformedAdr  = errors.New("malformed address")
-	errIPNotFound    = errors.New("ip not found")
-	errBadFloatValue = errors.New("bad float value")
-	errBadConfig     = errors.New("bad config")
-)
-
-func getDefaultOptions() map[string]float64 {
-	return map[string]float64{
-		"APP_CONTEXT_TIMEOUT":     defaultTimeOut,
-		"APP_READ_HEADER_TIMEOUT": defaultTimeOut,
-		"APP_READ_TIMEOUT":        defaultTimeOut,
-		"APP_WRITE_TIMEOUT":       defaultTimeOut,
-		"APP_IDLE_TIMEOUT":        defaultTimeOut,
-	}
-}
-
-func getIP(request *http.Request) (string, error) {
-	ips := request.Header.Get("X-Forwarded-For")
-	splitIps := strings.Split(ips, ",")
-
-	log.Println(request.RemoteAddr)
-
-	if len(splitIps) > 0 {
-		netIP := net.ParseIP(splitIps[len(splitIps)-1])
-		if netIP != nil {
-			return netIP.String(), nil
-		}
-	}
-
-	ip, _, err := net.SplitHostPort(request.RemoteAddr)
-	if err != nil {
-		return "", errMalformedAdr
-	}
-
-	if netIP := net.ParseIP(ip); netIP != nil {
-		ip := netIP.String()
-		if ip == "::1" {
-			return "127.0.0.1", nil
-		}
-
-		return ip, nil
-	}
-
-	return "", errIPNotFound
-}
-
-func ipHandler(writer http.ResponseWriter, request *http.Request) {
-	ipAddr, err := getIP(request)
-	if err != nil {
-		writer.WriteHeader(http.StatusInternalServerError)
-
-		return
-	}
-
-	writer.WriteHeader(http.StatusOK)
-
-	writtenLen, err := writer.Write([]byte(ipAddr))
-	if err != nil || writtenLen != len(ipAddr) {
-		writer.WriteHeader(http.StatusInternalServerError)
-
-		return
-	}
-}
-
-type Config struct {
-	Addr              string
-	ContextTimeOut    float64
-	ReadHeaderTimeout float64
-	ReadTimeout       float64
-	WriteTimeout      float64
-	IdleTimeout       float64
-}
-
-func getConfigValue(envVarName string) (float64, error) {
-	defaultOptions := getDefaultOptions()
-
-	paramEnv := os.Getenv(envVarName)
-	if paramEnv != "" {
-		param, err := strconv.ParseFloat(paramEnv, 64)
-		if err != nil {
-			return defaultOptions[envVarName], errBadFloatValue
-		}
-
-		return param, nil
-	}
-
-	return defaultOptions[envVarName], nil
-}
-
-func getConfig() (Config, error) {
-	var config Config
-
-	var err error
-
-	appAddrEnv := os.Getenv("APP_ADDR")
-	if appAddrEnv != "" {
-		config.Addr = appAddrEnv
-	} else {
-		config.Addr = ":8080"
-	}
-
-	config.ContextTimeOut, err = getConfigValue("APP_CONTEXT_TIMEOUT")
-	if err != nil {
-		log.Println(err.Error())
-	}
-
-	config.ReadHeaderTimeout, err = getConfigValue("APP_READ_HEADER_TIMEOUT")
-	if err != nil {
-		log.Println(err.Error())
-	}
-
-	config.ReadTimeout, err = getConfigValue("APP_READ_TIMEOUT")
-	if err != nil {
-		log.Println(err.Error())
-	}
-
-	config.WriteTimeout, err = getConfigValue("APP_WRITE_TIMEOUT")
-	if err != nil {
-		log.Println(err.Error())
-	}
-
-	config.IdleTimeout, err = getConfigValue("APP_IDLE_TIMEOUT")
-	if err != nil {
-		log.Println(err.Error())
-	}
-
-	return config, err
-}
-
-func main() {
-	log.SetOutput(os.Stdout)
-	http.HandleFunc("/", ipHandler)
-
-	config, err := getConfig()
-	if err != nil {
-		log.Fatal(errBadConfig)
-	}
-
-	server := http.Server{
-		Addr:              config.Addr,
-		ReadHeaderTimeout: time.Duration(config.ReadHeaderTimeout) * time.Second,
-		ReadTimeout:       time.Duration(config.ReadTimeout) * time.Second,
-		WriteTimeout:      time.Duration(config.WriteTimeout) * time.Second,
-		IdleTimeout:       time.Duration(config.IdleTimeout) * time.Second,
-		TLSNextProto:      nil,
-		ErrorLog:          nil,
-		Handler:           nil,
-	}
-
-	log.Fatal(server.ListenAndServe())
-}