move back to netoik-api repo

back/Makefile

@@ -1,2 +0,0 @@
-build:
-	go build -o bin/server cmd/server/main.go

back/cmd/server/main.go

@@ -1,35 +0,0 @@
-package main
-
-import (
-	"flag"
-	"fmt"
-	"net/http"
-	"netoik.io/netoik-website/pkg/captcha"
-	"netoik.io/netoik-website/pkg/conf"
-	"netoik.io/netoik-website/pkg/contact"
-	"os"
-)
-
-func main() {
-	// Parse command line arguments
-	path := flag.String("c", "server.conf", "Config file")
-	flag.Parse()
-
-	// Parse config file
-	if !conf.ParseFile(*path) {
-		os.Exit(1)
-	}
-
-	// Setup captcha
-	captcha.Setup()
-
-	// Declare api routes
-	http.HandleFunc("/api/contact/send", contact.HandleSend)
-	http.HandleFunc("/api/captcha/new", captcha.HandleNew)
-
-	// Start listening
-	if err := http.ListenAndServe(fmt.Sprintf("%s:%d", conf.Conf.BindHost, conf.Conf.BindPort), nil); err != nil {
-		fmt.Fprintf(os.Stderr, "cannot listen at %s:%d: %s\n", conf.Conf.BindHost, conf.Conf.BindPort, err.Error())
-		os.Exit(1)
-	}
-}

back/go.mod

@@ -1,10 +0,0 @@
-module netoik.io/netoik-website
-
-go 1.18
-
-require (
-	github.com/dchest/captcha v0.0.0-20200903113550-03f5f0333e1f // indirect
-	github.com/pelletier/go-toml v1.9.5 // indirect
-	gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc // indirect
-	gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df // indirect
-)

back/go.sum

@@ -1,8 +0,0 @@
-github.com/dchest/captcha v0.0.0-20200903113550-03f5f0333e1f h1:q/DpyjJjZs94bziQ7YkBmIlpqbVP7yw179rnzoNVX1M=
-github.com/dchest/captcha v0.0.0-20200903113550-03f5f0333e1f/go.mod h1:QGrK8vMWWHQYQ3QU9bw9Y9OPNfxccGzfb41qjvVeXtY=
-github.com/pelletier/go-toml v1.9.5 h1:4yBQzkHv+7BHq2PQUZF3Mx0IYxG7LsP222s7Agd3ve8=
-github.com/pelletier/go-toml v1.9.5/go.mod h1:u1nR/EPcESfeI/szUZKdtJ0xRNbUoANCkoOuaOx1Y+c=
-gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc h1:2gGKlE2+asNV9m7xrywl36YYNnBG5ZQ0r/BOOxqPpmk=
-gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc/go.mod h1:m7x9LTH6d71AHyAX77c9yqWCCa3UKHcVEj9y7hAtKDk=
-gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df h1:n7WqCuqOuCbNr617RXOY0AWRXxgwEyPp2z+p0+hgMuE=
-gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df/go.mod h1:LRQQ+SO6ZHR7tOkpBDuZnXENFzX8qRjMDMyPD6BRkCw=

back/pkg/api/api.go

@@ -1,18 +0,0 @@
-package api
-
-import (
-	"encoding/json"
-	"net/http"
-)
-
-type Answer struct {
-	Success bool   `json:"success"`
-	Id      string `json:"id,omitempty"`
-}
-
-func Reply(w http.ResponseWriter, code int, answer Answer) {
-	a, _ := json.Marshal(answer)
-	w.Header().Set(http.CanonicalHeaderKey("content-type"), "application/json")
-	w.WriteHeader(code)
-	w.Write(a)
-}

back/pkg/captcha/captcha.go

@@ -1,60 +0,0 @@
-package captcha
-
-import (
-	"errors"
-	"fmt"
-	"github.com/dchest/captcha"
-	"net/http"
-	"netoik.io/netoik-website/pkg/api"
-	"netoik.io/netoik-website/pkg/conf"
-	"os"
-	"path/filepath"
-	"time"
-)
-
-func writeImage(id string) bool {
-	path := filepath.Join(conf.Conf.CaptchaDirectory, id+".png")
-	file, err := os.Create(path)
-	if err != nil {
-		fmt.Fprintf(os.Stderr, "ERROR: cannot write file %q: %s\n", path, err.Error())
-		return false
-	}
-	if err = captcha.WriteImage(file, id, conf.Conf.CaptchaWidth, conf.Conf.CaptchaHeight); err != nil {
-		fmt.Fprintf(os.Stderr, "ERROR: cannot write captcha into file %q: %s\n", path, err.Error())
-		return false
-	}
-	return true
-}
-
-func HandleNew(w http.ResponseWriter, r *http.Request) {
-	// Check method
-	if r.Method != "POST" {
-		api.Reply(w, 405, api.Answer{})
-		return
-	}
-
-	// Create new captcha
-	id := captcha.NewLen(conf.Conf.CaptchaLength)
-
-	// Write captcha image
-	if !writeImage(id) {
-		api.Reply(w, 500, api.Answer{})
-		return
-	}
-
-	// Remove captcha image after expiration time
-	go func(id string) {
-		time.Sleep(conf.Conf.CaptchaExpiration)
-		path := filepath.Join(conf.Conf.CaptchaDirectory, id+".png")
-		if err := os.Remove(path); err != nil && !errors.Is(err, os.ErrNotExist) {
-			fmt.Fprintf(os.Stderr, "ERROR: cannot remove captcha image after expiration %q: %s", path, err.Error())
-		}
-	}(id)
-
-	// Return captcha id
-	api.Reply(w, 200, api.Answer{Success: true, Id: id})
-}
-
-func Setup() {
-	captcha.SetCustomStore(captcha.NewMemoryStore(captcha.CollectNum, conf.Conf.CaptchaExpiration))
-}

back/pkg/conf/conf.go

@@ -1,108 +0,0 @@
-package conf
-
-import (
-	"fmt"
-	"github.com/pelletier/go-toml"
-	"net"
-	"os"
-	"time"
-)
-
-type conf struct {
-	BindHost string `toml:"bind_host"`
-	BindPort int    `toml:"bind_port"`
-
-	SMTPHost     string `toml:"smtp_host"`
-	SMTPPort     int    `toml:"smtp_port"`
-	SMTPUsername string `toml:"smtp_username"`
-	SMTPPassword string `toml:"smtp_password"`
-	SMTPReceiver string `toml:"smtp_receiver"`
-
-	CaptchaDirectory  string        `toml:"captcha_directory"`
-	CaptchaLength     int           `toml:"captcha_length"`
-	CaptchaWidth      int           `toml:"captcha_width"`
-	CaptchaHeight     int           `toml:"captcha_height"`
-	CaptchaExpiration time.Duration `toml:"captcha_expiration"`
-}
-
-var Conf = conf{
-	BindHost:          "127.0.0.1",
-	BindPort:          8000,
-	CaptchaLength:     6,
-	CaptchaWidth:      240,
-	CaptchaHeight:     80,
-	CaptchaExpiration: time.Hour,
-}
-
-func ParseFile(path string) bool {
-	var failure bool
-
-	// Open config file
-	file, err := os.Open(path)
-	if err != nil {
-		fmt.Fprintf(os.Stderr, "ERROR: cannot open config file %q: %s\n", path, err.Error())
-		return false
-	}
-
-	// Read data from config file
-	var data = make([]byte, 10000)
-	n, err := file.Read(data)
-	if err != nil {
-		fmt.Fprintf(os.Stderr, "ERROR: cannot read config file %q: %s\n", path, err.Error())
-		return false
-	}
-
-	// Parse toml from config file
-	if err = toml.Unmarshal(data[:n], &Conf); err != nil {
-		fmt.Fprintf(os.Stderr, "ERROR: cannot load toml config from file %q: %s\n", path, err.Error())
-		return false
-	}
-
-	// Check arguments in config file
-	if net.ParseIP(Conf.BindHost) == nil {
-		fmt.Fprintf(os.Stderr, "ERROR: bad value for 'bind_host' in config file %q: should be a valid IP address\n", path)
-		failure = true
-	}
-	if Conf.BindPort < 1 || Conf.BindPort > 65535 {
-		fmt.Fprintf(os.Stderr, "ERROR: bad value for 'bind_port' in config file %q: should be an integer in 1-65535\n", path)
-		failure = true
-	}
-	if Conf.SMTPHost == "" {
-		fmt.Fprintf(os.Stderr, "ERROR: missing value for 'smtp_host' in config file %q\n", path)
-		failure = true
-	}
-	if Conf.SMTPPort < 1 || Conf.SMTPPort > 65535 {
-		fmt.Fprintf(os.Stderr, "ERROR: bad value for 'smtp_port' in config file %q: should be an integer in 1-65535\n", path)
-		failure = true
-	}
-	if Conf.SMTPUsername == "" {
-		fmt.Fprintf(os.Stderr, "ERROR: missing value for 'smtp_username' in config file %q\n", path)
-		failure = true
-	}
-	if Conf.SMTPPassword == "" {
-		fmt.Fprintf(os.Stderr, "ERROR: missing value for 'smtp_password' in config file %q\n", path)
-		failure = true
-	}
-	if Conf.SMTPReceiver == "" {
-		fmt.Fprintf(os.Stderr, "ERROR: missing value for 'smtp_receiver' in config file %q\n", path)
-		failure = true
-	}
-	if Conf.CaptchaDirectory == "" {
-		fmt.Fprintf(os.Stderr, "ERROR: missing value for 'captcha_directory' in config file %q\n", path)
-		failure = true
-	}
-	if Conf.CaptchaLength == 0 {
-		fmt.Fprintf(os.Stderr, "ERROR: missing value for 'captcha_length' in config file %q\n", path)
-		failure = true
-	}
-	if Conf.CaptchaWidth == 0 {
-		fmt.Fprintf(os.Stderr, "ERROR: missing value for 'captcha_width' in config file %q\n", path)
-		failure = true
-	}
-	if Conf.CaptchaHeight == 0 {
-		fmt.Fprintf(os.Stderr, "ERROR: missing value for 'captcha_height' in config file %q\n", path)
-		failure = true
-	}
-
-	return !failure
-}

back/pkg/contact/contact.go

@@ -1,97 +0,0 @@
-package contact
-
-import (
-	"encoding/json"
-	"errors"
-	"fmt"
-	"github.com/dchest/captcha"
-	"gopkg.in/gomail.v2"
-	"net/http"
-	"netoik.io/netoik-website/pkg/api"
-	"netoik.io/netoik-website/pkg/conf"
-	"os"
-	"path/filepath"
-)
-
-type request struct {
-	Name          string `json:"name"`
-	Email         string `json:"email"`
-	Phone         string `json:"phone"`
-	Company       string `json:"company"`
-	Message       string `json:"message"`
-	CaptchaId     string `json:"captchaId"`
-	CaptchaDigits string `json:"captchaDigits"`
-}
-
-func HandleSend(w http.ResponseWriter, r *http.Request) {
-	// Check method
-	if r.Method != "POST" {
-		api.Reply(w, 405, api.Answer{})
-		return
-	}
-
-	// Parse json from request body
-	var data request
-	if err := json.NewDecoder(r.Body).Decode(&data); err != nil {
-		api.Reply(w, 400, api.Answer{})
-		return
-	}
-	if data.Name == "" || len(data.Name) > 200 {
-		api.Reply(w, 400, api.Answer{})
-		return
-	}
-	if data.Email == "" || len(data.Email) > 200 {
-		api.Reply(w, 400, api.Answer{})
-		return
-	}
-	if len(data.Phone) > 200 {
-		api.Reply(w, 400, api.Answer{})
-		return
-	}
-	if len(data.Company) > 200 {
-		api.Reply(w, 400, api.Answer{})
-		return
-	}
-	if data.Message == "" || len(data.Message) > 10000 {
-		api.Reply(w, 400, api.Answer{})
-		return
-	}
-	if data.CaptchaId == "" {
-		api.Reply(w, 400, api.Answer{})
-		return
-	}
-	if data.CaptchaDigits == "" {
-		api.Reply(w, 400, api.Answer{})
-		return
-	}
-
-	// Check captcha digits
-	if !captcha.VerifyString(data.CaptchaId, data.CaptchaDigits) {
-		api.Reply(w, 418, api.Answer{})
-		return
-	}
-
-	// Captcha has been verified, so remove image
-	path := filepath.Join(conf.Conf.CaptchaDirectory, data.CaptchaId+".png")
-	if err := os.Remove(path); err != nil && !errors.Is(err, os.ErrNotExist) {
-		fmt.Fprintf(os.Stderr, "ERROR: cannot remove captcha image %q: %s", path, err.Error())
-	}
-
-	// Build email
-	msg := gomail.NewMessage()
-	msg.SetHeader("From", conf.Conf.SMTPUsername)
-	msg.SetHeader("To", conf.Conf.SMTPReceiver)
-	msg.SetHeader("Subject", "Message from www.netoik.io")
-	msg.SetBody("text/plain", fmt.Sprintf(
-		"You have received a message from frontend.\nname: %s\nemail: %s\nphone: %s\ncompany: %s\n%s",
-		data.Name, data.Email, data.Phone, data.Company, data.Message))
-
-	// Configure SMTP dialer and send email
-	dialer := gomail.NewDialer(conf.Conf.SMTPHost, conf.Conf.SMTPPort, conf.Conf.SMTPUsername, conf.Conf.SMTPPassword)
-	if err := dialer.DialAndSend(msg); err != nil {
-		fmt.Fprintf(os.Stderr, "cannot send email: %s\n", err.Error())
-		api.Reply(w, 400, api.Answer{})
-		return
-	}
-	api.Reply(w, 200, api.Answer{Success: true})
-}