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feat: add Pi Network authentication with KYC binding #14

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5eccf4e
Create pi_auth.py
Clawue884 Jan 2, 2026
8b94ccd
Create pi_login.html
Clawue884 Jan 2, 2026
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103 changes: 103 additions & 0 deletions profiles/pi_auth.py
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Original file line number Diff line number Diff line change
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import os
import json
import requests
from django.http import JsonResponse
from django.views.decorators.csrf import csrf_exempt
from django.contrib.auth.models import AbstractUser
from django.contrib.auth import login
from django.db import models
from django.utils.timezone import now

# =========================
# CONFIG
# =========================
PI_API_KEY = os.getenv("PI_API_KEY")
PI_ENV = os.getenv("PI_ENV", "mainnet")

PI_VERIFY_URL = (
"https://api.minepi.com/v2/me"
if PI_ENV == "mainnet"
else "https://api.testnet.minepi.com/v2/me"
)

# =========================
# USER MODEL
# =========================
class User(AbstractUser):
pi_user_id = models.CharField(max_length=100, unique=True, null=True, blank=True)
pi_username = models.CharField(max_length=100, null=True, blank=True)
pi_wallet_address = models.CharField(max_length=200, null=True, blank=True)

KYC_STATUS = (
("pending", "Pending"),
("verified", "Verified"),
("rejected", "Rejected"),
)
kyc_status = models.CharField(max_length=20, choices=KYC_STATUS, default="pending")

def is_pi_verified(self):
return self.kyc_status == "verified"


# =========================
# PI TOKEN VERIFIER
# =========================
def verify_pi_token(access_token: str) -> dict:
headers = {
"Authorization": f"Bearer {access_token}",
"Content-Type": "application/json",
}

r = requests.get(PI_VERIFY_URL, headers=headers, timeout=10)

if r.status_code != 200:
raise Exception("Invalid Pi token")

return r.json()


# =========================
# AUTH ENDPOINT
# =========================
@csrf_exempt
def pi_login(request):
if request.method != "POST":
return JsonResponse({"error": "Invalid method"}, status=405)

data = json.loads(request.body)
token = data.get("accessToken")

if not token:
return JsonResponse({"error": "Missing token"}, status=400)

try:
pi_data = verify_pi_token(token)

user, created = User.objects.get_or_create(
pi_user_id=pi_data["uid"],
defaults={
"username": pi_data["username"],
"pi_username": pi_data["username"],
"kyc_status": "verified" if pi_data.get("kyc") else "pending",
"last_login": now(),
},
)

if not created:
user.last_login = now()
if pi_data.get("kyc"):
user.kyc_status = "verified"
user.save()

login(request, user)

return JsonResponse({
"success": True,
"user": {
"pi_username": user.pi_username,
"kyc_status": user.kyc_status
}
})

except Exception as e:
return JsonResponse({"error": str(e)}, status=401)
43 changes: 43 additions & 0 deletions profiles/templates/pi_login.html
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<!DOCTYPE html>
<html>
<head>
<title>Login Pi</title>
<script src="https://sdk.minepi.com/pi-sdk.js"></script>
</head>
<body>

<button onclick="piLogin()">Login dengan Pi</button>

<script>
Pi.init({ version: "2.0" });

async function piLogin() {
try {
const scopes = ["username", "payments"];

const auth = await Pi.authenticate(scopes, () => {});

const res = await fetch("/api/auth/pi/", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ accessToken: auth.accessToken })
});

const data = await res.json();

if (data.success) {
alert("Login sukses: " + data.user.pi_username);
location.reload();
} else {
alert("Login gagal");
}

} catch (e) {
console.error(e);
alert("Pi Auth error");
}
}
</script>

</body>
</html>