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Commit a0f82cfe authored by Markus Klose's avatar Markus Klose
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Username already exists Registration check

parent 8179eaaf
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routes/register.js
+ 21
− 9
View file @ a0f82cfe
...@@ -18,7 +18,17 @@ router.post('/', async(req, res) => { ...@@ -18,7 +18,17 @@ router.post('/', async(req, res) => {
name: req.body.name, name: req.body.name,
password: hashedPass password: hashedPass
}) })
User.findOne({name: req.body.name})
var query = User.find({
"name" : req.body.name
});
query.count(function(err, count) {
if (count !== 0) {
res.sendStatus(401);
}
else {
console.log("Count is", count)
user.save() user.save()
.then(user => { .then(user => {
res.sendStatus(200); res.sendStatus(200);
...@@ -28,6 +38,8 @@ router.post('/', async(req, res) => { ...@@ -28,6 +38,8 @@ router.post('/', async(req, res) => {
message: 'Error occured' message: 'Error occured'
}) })
}) })
}
})
}) })
}); });
......
views/login.html
+ 28
− 6
View file @ a0f82cfe
...@@ -24,15 +24,15 @@ ...@@ -24,15 +24,15 @@
event.preventDefault(); event.preventDefault();
var username = document.getElementById("username").value; var username = document.getElementById("username");
var password = document.getElementById("password").value; var password = document.getElementById("password");
var myHeaders = new Headers(); var myHeaders = new Headers();
myHeaders.append("Content-Type", "application/json"); myHeaders.append("Content-Type", "application/json");
var raw = JSON.stringify({ var raw = JSON.stringify({
"name": username, "name": username.value.trim(),
"password": password "password": password.value.trim()
}); });
var requestOptions = { var requestOptions = {
...@@ -43,8 +43,30 @@ ...@@ -43,8 +43,30 @@
}; };
fetch("http://localhost:3000/login", requestOptions) fetch("http://localhost:3000/login", requestOptions)
.then(response => response.text()) .then(response => response.json())
.then(result => console.log(result)) .then((result) => {
// Statuscode abrufen mit JSON dingens
var status = result.status;
var token = result.token;
// Weiterleitung an Chatroom, bei erfolreicher Anmeldung
if (status == 200) {
window.location.href = "/chatroom";
}
//
else {
username.value = "";
password.value = "";
var loginFailed = document.createElement('div');
loginFailed.setAttribute("id", "loginFailed");
loginFailed.textContent = "Login fehlgeschlagen, bitte versuche es erneut";
document.body.appendChild(loginFailed);
}
console.log(result)
})
.catch(error => console.log('error', error)); .catch(error => console.log('error', error));
} }
</script> </script>
......
views/register.html
+ 9
− 63
View file @ a0f82cfe
...@@ -50,7 +50,6 @@ ...@@ -50,7 +50,6 @@
fetch("http://localhost:3000/register", requestOptions) fetch("http://localhost:3000/register", requestOptions)
.then((response) => { .then((response) => {
if(response.status == 200){ if(response.status == 200){
console.log("200");
if (document.getElementById("divLeer")) { if (document.getElementById("divLeer")) {
console.log("drinne"); console.log("drinne");
...@@ -76,6 +75,15 @@ ...@@ -76,6 +75,15 @@
document.body.appendChild(button); document.body.appendChild(button);
} }
else if (response.status == 401) {
username.value = "";
password.value = "";
var divVergeben = document.createElement('div');
divVergeben.textContent = "Der Nutzername ist bereits vergeben, bitte versuche es erneut.";
document.body.appendChild(divVergeben);
}
}) })
.catch(error => console.log('error', error)); .catch(error => console.log('error', error));
...@@ -92,68 +100,6 @@ ...@@ -92,68 +100,6 @@
} }
} }
/* // Check if input Login and Password are empty
//
if (username.value.trim().length && password.value.trim().length === 0) {
username.value = "";
password.value = "";
var div = document.createElement('div');
div.textContent = "Bitte fülle beide Felder aus";
document.body.appendChild(div);
}
console.log(username, password);
var myHeaders = new Headers();
myHeaders.append("Content-Type", "application/json");
var raw = JSON.stringify({
"name": username.value.trim(),
"password": password.value.trim()
});
var requestOptions = {
method: 'POST',
headers: myHeaders,
body: raw,
redirect: 'follow'
};
fetch("http://localhost:3000/register", requestOptions)
.then((response) => {
if(response.status == 200){
console.log("200");
var div = document.createElement('div');
div.textContent = "Erfolgreich registriert!";
document.body.appendChild(div);
const button = document.createElement("button");
button.innerText = "Zum Login";
button.type = "submit";
button.name = "button";
button.classList.add("button");
button.addEventListener("click", () => {
window.location.href = "/login";
});
document.body.appendChild(button);
}
})
.catch(error => console.log('error', error));
} */
</script> </script>
</body> </body>
......
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