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really basic login

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This commit is contained in:
Florian Hoss 2022-04-04 10:16:29 +02:00
parent 177a26a2e9
commit 539a36dffe
6 changed files with 116 additions and 50 deletions
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18
Lab01/app/database/database.go
View file

@ -23,3 +23,21 @@ func (db *Database) Initialize() {
migrateInitial(orm)
db.ORM = orm
}
func (db *Database) CreateUser(username string, password string) error {
user := User{Username: username, Password: password}
result := db.ORM.Create(&user)
return result.Error
}
func (db *Database) LoginUser(username string, password string) (bool, error) {
user := User{Username: username, Password: password}
result := db.ORM.Where("username = ? AND password = ?", username, password).Find(&user)
if result.Error != nil {
return false, result.Error
}
if result.RowsAffected == 1 {
return true, nil
}
return false, nil
}

30
Lab01/app/templates/index.tmpl
View file

@ -9,10 +9,13 @@
{{template "navbar" .}}
<div class="position-absolute top-50 start-50 translate-middle text-center">
<div>Welcome to the {{ .title }}.</div>
<div>
<a class="link-secondary" href="/login">Login</a> to continue.
</div>
{{if .loggedIn}}
<div>Welcome to the {{ .title }}.</div>
{{else}}
<div>
<a class="link-secondary" href="/login">Login</a> to continue.
</div>
{{end}}
</div>
{{template "scripts" .}}
@ -42,9 +45,18 @@
</button>
<div class="collapse navbar-collapse" id="navbarSupportedContent">
<ul class="ms-auto navbar-nav mb-2 mb-lg-0">
<li class="nav-item">
<a class="btn btn-primary" href="/login">Login</a>
</li>
{{if .loggedIn}}
<li class="nav-item me-2">
<a class="btn btn-primary" href="/tasks">Tasks</a>
</li>
<li class="nav-item">
<a class="btn btn-danger" href="/logout">Logout</a>
</li>
{{else}}
<li class="nav-item">
<a class="btn btn-primary" href="/login">Login</a>
</li>
{{end}}
</ul>
</div>
</div>
@ -101,5 +113,9 @@
form.classList.add('was-validated');
}, false);
}
function redirect(location) {
window.location.href = location;
}
</script>
{{end}}

16
Lab01/app/templates/login.tmpl
View file

@ -17,13 +17,15 @@
{{template "scripts" .}}
<script>
function submitForm(formData) {
fetch("/login", {method: 'POST', body: formData, redirect: 'follow'})
.then(response => response.json())
.then((json) => {
console.log(json)
}
).catch(error => console.log(error));
async function submitForm(formData) {
const response = await fetch("/login", {method: 'POST', body: formData, redirect: 'follow'});
if (response.ok) {
const json = await response.json();
console.log("JSON:", json.message);
redirect("/");
} else {
redirect("/login");
}
}
</script>
</body>

16
Lab01/app/templates/register.tmpl
View file

@ -18,13 +18,15 @@
{{template "scripts" .}}
<script>
function submitForm(formData) {
fetch("/register", {method: 'POST', body: formData, redirect: 'follow'})
.then(response => response.json())
.then(() => {
window.location.href = "/";
}
).catch(error => console.log(error));
async function submitForm(formData) {
const response = await fetch("/register", {method: 'POST', body: formData, redirect: 'follow'});
if (response.ok) {
const json = await response.json();
console.log("JSON:", json.message);
redirect("/");
} else {
redirect("/register");
}
}
</script>
</body>

5
Lab01/app/webpage/types.go
View file

@ -6,6 +6,7 @@ import (
)
type Webpage struct {
Database database.Database
Router *gin.Engine
Database database.Database
Router *gin.Engine
isLoggedIn bool
}

81
Lab01/app/webpage/webpage.go
View file

@ -2,66 +2,94 @@ package webpage
import (
"app/database"
"fmt"
"github.com/gin-contrib/static"
"github.com/gin-gonic/gin"
"net/http"
"time"
)
func (wp *Webpage) redirectHome(c *gin.Context) {
c.Redirect(http.StatusTemporaryRedirect, "/")
}
func (wp *Webpage) userIsLoggedIn(c *gin.Context) bool {
if wp.isLoggedIn {
wp.redirectHome(c)
return true
}
return false
}
func (wp *Webpage) defineRoutes() {
wp.Router.GET("/", func(c *gin.Context) {
c.HTML(http.StatusOK, "index.tmpl", gin.H{
"title": "SuperSafe",
"title": "SuperSafe",
"loggedIn": wp.isLoggedIn,
})
})
wp.Router.GET("/login", func(c *gin.Context) {
if wp.userIsLoggedIn(c) {
return
}
c.HTML(http.StatusOK, "login.tmpl", gin.H{
"title": "Login",
"title": "Login",
"loggedIn": wp.isLoggedIn,
})
})
wp.Router.GET("/logout", func(c *gin.Context) {
wp.isLoggedIn = false
wp.redirectHome(c)
})
wp.Router.GET("/register", func(c *gin.Context) {
wp.userIsLoggedIn(c)
c.HTML(http.StatusOK, "register.tmpl", gin.H{
"title": "Register",
"title": "Register",
"loggedIn": wp.isLoggedIn,
})
})
wp.Router.GET("/health", func(c *gin.Context) {
currentTime := time.Now().UnixMilli()
c.JSON(http.StatusOK, gin.H{
"timestamp": currentTime,
})
})
wp.Router.NoRoute(func(c *gin.Context) {
c.Redirect(http.StatusTemporaryRedirect, "/")
})
wp.Router.POST("/login", func(c *gin.Context) {
username, existing := c.GetPostForm("username")
password, existing := c.GetPostForm("password")
if existing == false || username == "" || password == "" {
username, uExisting := c.GetPostForm("username")
password, pExisting := c.GetPostForm("password")
if uExisting == false || pExisting == false || username == "" || password == "" {
c.JSON(400, gin.H{"message": "bad post form"})
return
}
fmt.Println(username, password)
c.JSON(200, gin.H{"message": "login successfull"})
success, err := wp.Database.LoginUser(username, password)
if err != nil {
c.JSON(500, gin.H{"message": err.Error()})
return
}
if success == true {
wp.isLoggedIn = true
c.JSON(200, gin.H{"message": "login successfull"})
return
}
wp.isLoggedIn = false
c.JSON(401, gin.H{"message": "user or password not found"})
})
wp.Router.POST("/register", func(c *gin.Context) {
username, existing := c.GetPostForm("username")
password, existing := c.GetPostForm("password")
if existing == false || username == "" || password == "" {
username, uExisting := c.GetPostForm("username")
password, pExisting := c.GetPostForm("password")
if uExisting == false || pExisting == false || username == "" || password == "" {
c.JSON(400, gin.H{"message": "bad post form"})
return
}
user := database.User{Username: username, Password: password}
result := wp.Database.ORM.Create(&user)
if result.Error != nil {
c.JSON(400, gin.H{"message": result.Error.Error()})
err := wp.Database.CreateUser(username, password)
if err != nil {
c.JSON(500, gin.H{"message": err.Error()})
return
}
c.JSON(200, gin.H{"message": "user registered"})
})
wp.Router.NoRoute(func(c *gin.Context) {
wp.redirectHome(c)
})
}
func (wp *Webpage) initialize() {
@ -73,7 +101,6 @@ func (wp *Webpage) Run() {
wp.initialize()
wp.Router = gin.New()
wp.Router.Use(gin.Recovery())
wp.Router.Use(gin.Logger())
wp.Router.SetTrustedProxies(nil)
wp.Router.Use(static.Serve("/static", static.LocalFile("./static", false)))
wp.Router.LoadHTMLGlob("templates/*")