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user.go
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user.go
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package gosaas
import (
"encoding/json"
"fmt"
"io/ioutil"
"math/rand"
"net/http"
"strconv"
"github.com/jlb922/gosaas/data"
"github.com/jlb922/gosaas/internal/config"
"github.com/jlb922/gosaas/model"
"github.com/jlb922/gosaas/queue"
"golang.org/x/crypto/bcrypt"
)
type pageData struct {
Title string
Header string
}
type pwdResetData struct {
ID string
token string
}
// User handles everything related to the /user requests
type User struct{}
func newUser() *Route {
var u interface{} = User{}
return &Route{
AllowCrossOrigin: true,
Logger: true,
MinimumRole: model.RolePublic,
WithDB: true,
GzipCompression: true,
Handler: u.(http.Handler),
}
}
// Handler for /user routes
func (u User) ServeHTTP(w http.ResponseWriter, r *http.Request) {
var head string
fmt.Println("Path--->", r.URL.Path)
head, r.URL.Path = ShiftPath(r.URL.Path)
if head == "signup" {
if r.Method == http.MethodGet {
u.signup(w, r)
} else if r.Method == http.MethodPost {
u.create(w, r)
}
} else if head == "login" {
if r.Method == http.MethodGet {
u.login(w, r)
} else if r.Method == http.MethodPost {
u.signin(w, r)
}
} else if head == "forgot" {
if r.Method == http.MethodGet {
u.forgot(w, r)
} else if r.Method == http.MethodPost {
u.sendReset(w, r)
}
} else if head == "reset" {
if r.Method == http.MethodGet {
u.reset(w, r)
} else if r.Method == http.MethodPost {
u.resetFinish(w, r)
}
} else if head == "pride" {
ServePage(w, r, "pride.html", nil)
} else {
// user route not Found, send to homepage
fmt.Println("Page not found")
ServePage(w, r, "index.html", nil)
}
}
// reset route
func (u User) reset(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
var data = new(struct {
ID string `json:"id"`
Token string `json:"token"`
})
// get the id and token from the URL
ID, ok := r.URL.Query()["id"]
Token, cool := r.URL.Query()["token"]
// if a parameter missing, redirect to Forgot Page
if !ok || len(ID[0]) < 1 || !cool || len(Token[0]) < 1 {
alert := Notification{
Title: "Notice",
Message: "Password reset token missing. Please try again.",
IsInfo: false,
IsSuccess: false,
IsError: true,
IsWarning: false,
}
fmt.Printf("Key not found on URL")
ServePage(w, r, config.Current.ForgotLoginTemplate, CreateViewData(ctx, &alert, nil))
return
}
data.ID = ID[0]
data.Token = Token[0]
ServePage(w, r, config.Current.ResetLoginTemplate, CreateViewData(ctx, nil, data))
}
// reset route - final step
func (u User) resetFinish(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
db := ctx.Value(ContextDatabase).(*data.DB)
isJSON := ctx.Value(ContextContentIsJSON).(bool)
// check if email is registered
var data = new(struct {
ID int64 `json:"id"`
Password string `json:"password"`
})
if isJSON {
if err := ParseBody(r.Body, &data); err != nil {
Respond(w, r, http.StatusBadRequest, err)
return
}
} else {
// get form values
var err error
r.ParseForm()
data.ID, err = strconv.ParseInt(r.Form.Get("id"), 10, 64)
if err != nil {
Respond(w, r, http.StatusBadRequest, err)
return
}
data.Password = r.Form.Get("password")
fmt.Println(data)
b, err := bcrypt.GenerateFromPassword([]byte(data.Password), bcrypt.DefaultCost)
if err != nil {
if isJSON {
Respond(w, r, http.StatusInternalServerError, err)
} else {
http.Redirect(w, r, config.Current.SignUpErrorRedirect, http.StatusSeeOther)
}
return
}
// TODO the 2nd instance of data.ID is the account
err = db.Users.ChangePassword(data.ID, data.ID, string(b))
if err != nil {
if isJSON {
Respond(w, r, http.StatusInternalServerError, err)
} else {
fmt.Println(err)
http.Redirect(w, r, config.Current.SignUpErrorRedirect, http.StatusSeeOther)
}
return
}
fmt.Println("Password changed!")
if isJSON {
// TODO the data.ID is the account
Respond(w, r, http.StatusCreated, data.ID)
} else {
alert := Notification{
Title: "Success",
Message: "Password sucessfully changed",
IsSuccess: true,
}
SetNotificationCookie(w, alert)
fmt.Println("Nottificaiton Cookie set")
http.Redirect(w, r, config.Current.PwdChgSuccessRedirect, http.StatusSeeOther)
}
}
}
// forgot route - show the forgot form
func (u User) forgot(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
ServePage(w, r, config.Current.ForgotLoginTemplate, CreateViewData(ctx, nil, nil))
}
// sendReset is called after the forgot page to set a temporary password and send the
// reset email with link
func (u User) sendReset(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
db := ctx.Value(ContextDatabase).(*data.DB)
isJSON := ctx.Value(ContextContentIsJSON).(bool)
// check if email is registered
var data = new(struct {
Email string `json:"email"`
Password string `json:"password"`
})
if isJSON {
if err := ParseBody(r.Body, &data); err != nil {
Respond(w, r, http.StatusBadRequest, err)
return
}
} else {
r.ParseForm()
data.Email = r.Form.Get("email")
}
// check if user exists and grab info for user ID
user, err := db.Users.GetUserByEmail(data.Email)
if err != nil {
if isJSON {
Respond(w, r, http.StatusInternalServerError, err)
} else {
alert := Notification{
Title: "Notice",
Message: err.Error(),
IsError: true,
}
ServePage(w, r, config.Current.ForgotLoginTemplate, CreateViewData(ctx, &alert, nil))
}
return
}
// user exists, generate random password and token password reset token
data.Password = randStringRunes(7)
b, err := bcrypt.GenerateFromPassword([]byte(data.Password), bcrypt.DefaultCost)
fmt.Printf("%s:%s\n)", data.Password, b)
if err != nil {
if isJSON {
Respond(w, r, http.StatusInternalServerError, err)
} else {
// TODO: figure out where this should go
// TODO save an error cookie
http.Redirect(w, r, config.Current.SignUpErrorRedirect, http.StatusSeeOther)
}
return
}
// store in pwdreset table
err = db.Users.StoreTempPassword(user.ID, data.Email, string(b))
if err != nil {
if isJSON {
Respond(w, r, http.StatusInternalServerError, err)
} else {
fmt.Println(err)
// TODO save an error cookie
http.Redirect(w, r, config.Current.SignUpErrorRedirect, http.StatusSeeOther)
}
return
}
// send email with link to user
u.sendForgotEmail(user.ID, data.Email, string(b))
alert := Notification{
Title: "Success",
Message: "Password email sent",
IsSuccess: true,
}
SetNotificationCookie(w, alert)
// TODO: change where this goes?
http.Redirect(w, r, config.Current.PwdChgSuccessRedirect, http.StatusSeeOther)
}
// signup route
func (u User) signup(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
data := pageData{Title: "Sign Up", Header: "Sign up for an account"}
// fmt.Printf("%+v\n", data)
ServePage(w, r, config.Current.SignUpTemplate, CreateViewData(ctx, nil, data))
}
// create is called on Post from signup or from JSON
func (u User) create(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
db := ctx.Value(ContextDatabase).(*data.DB)
isJSON := ctx.Value(ContextContentIsJSON).(bool)
var data = new(struct {
Email string `json:"email"`
Password string `json:"password"`
First string `json:"first"`
Last string `json:"last"`
})
if isJSON {
if err := ParseBody(r.Body, &data); err != nil {
Respond(w, r, http.StatusBadRequest, err)
return
}
} else {
r.ParseForm()
data.Email = r.Form.Get("email")
data.Password = r.Form.Get("password")
data.First = r.Form.Get("first_name")
data.Last = r.Form.Get("last_name")
}
// Check if email already exists and redirect to forgot page if it;s there
_, err := db.Users.GetUserByEmail(data.Email)
// user found
if err == nil {
if isJSON {
Respond(w, r, http.StatusInternalServerError, err)
} else {
alert := Notification{
Title: "Notice!",
Message: "Email address already registered",
IsError: true,
}
fmt.Printf("Email already exists: %s\n", data.Email)
ServePage(w, r, config.Current.SignUpTemplate, CreateViewData(ctx, &alert, nil))
}
return
}
fmt.Println(data)
if len(data.Password) == 0 {
data.Password = randStringRunes(7)
fmt.Println("TODO: remove this, temporary password", data.Password)
}
b, err := bcrypt.GenerateFromPassword([]byte(data.Password), bcrypt.DefaultCost)
if err != nil {
if isJSON {
Respond(w, r, http.StatusInternalServerError, err)
} else {
http.Redirect(w, r, config.Current.SignUpErrorRedirect, http.StatusSeeOther)
}
return
}
acct, err := db.Users.SignUp(data.Email, string(b), data.First, data.Last)
if err != nil {
if isJSON {
Respond(w, r, http.StatusInternalServerError, err)
} else {
http.Redirect(w, r, config.Current.SignUpErrorRedirect, http.StatusSeeOther)
}
return
}
if config.Current.SignUpSendEmailValidation {
u.sendEmail(acct.Email, data.Password)
}
if isJSON {
Respond(w, r, http.StatusCreated, acct)
} else {
ck := &http.Cookie{
Name: "X-API-KEY",
Path: "/",
Value: acct.Users[0].Token,
}
// we set the cookie so they will have their authentication token on the next request.
http.SetCookie(w, ck)
http.Redirect(w, r, config.Current.SignUpSuccessRedirect, http.StatusSeeOther)
}
}
// Send password reset link to user
func (u User) sendForgotEmail(id int64, email, pass string) {
fmt.Println("TODO update u.sendEmail to use config values")
//Body: "<html><body>Use this <a href=localhost:8080/users/reset?id=" + strconv.FormatInt(id, 10) + "&token=" + pass + ">link</a> to reset your password.</html></body>",
emailInfo := queue.SendEmailParameter{
From: config.Current.EmailFrom,
To: email,
Subject: "Password reset link",
Body: "localhost:8080/users/reset?id=" + strconv.FormatInt(id, 10) + "&token=" + pass,
}
// fmt.Println(emailInfo.Body)
queue.Enqueue(queue.TaskEmail, emailInfo)
}
func (u User) sendEmail(email, pass string) {
//TODO: implement this
fmt.Println("TODO update u.sendEmail to use config values")
emailInfo := queue.SendEmailParameter{
From: config.Current.EmailFrom,
To: email,
Subject: "Welcome to the SAAS",
Body: "This is the email body",
}
queue.Enqueue(queue.TaskEmail, emailInfo)
//queue.Enqueue(queue.TaskEmail, queue.SendEmailParameter{})
}
// login presents the login form and calls signin after POST
func (u User) login(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
//data := pageData{Title: "SignIn", Header: "Sign in to your account"}
ServePage(w, r, config.Current.SignInTemplate, CreateViewData(ctx, nil, nil))
}
// signin takes user credentials from login form and processes the signin
func (u User) signin(w http.ResponseWriter, r *http.Request) {
fmt.Println("Users/Signin")
ctx := r.Context()
db := ctx.Value(ContextDatabase).(*data.DB)
isJSON := ctx.Value(ContextContentIsJSON).(bool)
var data = new(struct {
Email string `json:"email"`
Password string `json:"password"`
})
var authKey = new(struct {
Name string `json:"name"`
Token string `json:"token"`
})
if isJSON {
fmt.Println("JSON Login Route")
b, err := ioutil.ReadAll(r.Body)
defer r.Body.Close()
if err != nil {
panic(err)
}
//Save data into Job struct
err = json.Unmarshal(b, &data)
if err != nil {
http.Error(w, err.Error(), 500)
return
}
fmt.Println(data)
} else {
r.ParseForm()
data.Email = r.Form.Get("email")
data.Password = r.Form.Get("password")
}
fmt.Println(data)
// TODO?? Moving this the Users.go
// UserLogin(email string)
user, err := db.Users.GetUserByEmail(data.Email)
// user not found
if err != nil {
if isJSON {
Respond(w, r, http.StatusInternalServerError, err)
} else {
alert := Notification{
Title: "Notice!",
Message: "Username or password incorrect",
IsInfo: false,
IsSuccess: false,
IsError: true,
IsWarning: false,
}
fmt.Printf("User not found: %+v\n", CreateViewData(ctx, &alert, data))
ServePage(w, r, config.Current.SignInTemplate, CreateViewData(ctx, &alert, nil))
}
return
}
// invalid password
if err := bcrypt.CompareHashAndPassword([]byte(user.Password), []byte(data.Password)); err != nil {
alert := Notification{
Title: "Notice!",
Message: "Username or password incorrect",
IsInfo: false,
IsSuccess: false,
IsError: true,
IsWarning: false,
}
fmt.Printf("Password Incorrect: %+v\n", CreateViewData(ctx, &alert, data))
ServePage(w, r, config.Current.SignInTemplate, CreateViewData(ctx, &alert, nil))
return
}
// log time of last logn
err = db.Users.UpdateLastLogin(user.ID)
if isJSON {
authKey.Name = "X-API-KEY"
authKey.Token = user.Token
Respond(w, r, http.StatusOK, authKey)
} else {
ck := &http.Cookie{
Name: "X-API-KEY",
Path: "/",
Value: user.Token,
}
// we set the cookie so they will have their authentication token on the next request.
http.SetCookie(w, ck)
//TODO - display a flash welcome cookie?
http.Redirect(w, r, config.Current.SignInSuccessRedirect, http.StatusSeeOther)
}
}
func (u User) profile(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
keys := ctx.Value(ContextAuth).(Auth)
//keys := Auth{
// AccountID: 7,
// UserID: 7,
// Email: "jlb922@gmail.com",
// Role: model.RoleAdmin,
//}
db := ctx.Value(ContextDatabase).(*data.DB)
acct, err := db.Users.GetDetail(keys.AccountID)
if err != nil {
Respond(w, r, http.StatusInternalServerError, err)
return
}
Respond(w, r, http.StatusOK, acct)
}
func randStringRunes(n int) string {
letterRunes := []rune("abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ2345679")
b := make([]rune, n)
for i := range b {
b[i] = letterRunes[rand.Intn(len(letterRunes))]
}
return string(b)
}