mirror of
https://github.com/morgan9e/eTL-downloader
synced 2026-04-14 00:14:34 +09:00
Added FIDO2 Passkey support
This commit is contained in:
@@ -4,7 +4,9 @@ Download all files from lectures of SNU eTL.
|
||||
|
||||
Skips already downloaded files
|
||||
|
||||
+) 2FA verification code (mail) required.
|
||||
Creates locally saved virtual Passkey to reuse after
|
||||
|
||||
First time registration required, passkey info is stored at `snu_fido.json`.
|
||||
|
||||
### Usage
|
||||
|
||||
|
||||
4
etl.py
4
etl.py
@@ -59,7 +59,7 @@ def get_subpath(dir, parent = []):
|
||||
|
||||
|
||||
def sync_etl(lecture, name = ""):
|
||||
basepath = "."
|
||||
basepath = "./download"
|
||||
root = rget(f"{API}/v1/courses/{lecture}/folders/root")
|
||||
print()
|
||||
print(f"{root['id']} {root['full_name']}")
|
||||
@@ -93,4 +93,4 @@ def sync_etl(lecture, name = ""):
|
||||
except Exception as e:
|
||||
print(f"- Failed {local_path}: {str(e)}")
|
||||
if os.path.exists(local_path):
|
||||
os.remove(local_path)
|
||||
os.remove(local_path)
|
||||
|
||||
390
fido.py
Normal file
390
fido.py
Normal file
@@ -0,0 +1,390 @@
|
||||
import json
|
||||
import base64
|
||||
import os
|
||||
import time
|
||||
import hashlib
|
||||
import struct
|
||||
import cbor2
|
||||
from Crypto.PublicKey import ECC
|
||||
from Crypto.Signature import DSS
|
||||
from Crypto.Hash import SHA256
|
||||
from typing import Dict, Any, Optional
|
||||
|
||||
|
||||
import getpass
|
||||
from fido2.hid import CtapHidDevice
|
||||
from fido2.client import Fido2Client, UserInteraction
|
||||
from fido2.webauthn import PublicKeyCredentialCreationOptions, PublicKeyCredentialDescriptor, PublicKeyCredentialRequestOptions
|
||||
from fido2.utils import websafe_encode, websafe_decode
|
||||
|
||||
|
||||
class YkFidoDevice:
|
||||
def __init__(self):
|
||||
devices = list(CtapHidDevice.list_devices())
|
||||
if not devices:
|
||||
raise Exception("No FIDO2 devices found.")
|
||||
self.device = devices[0]
|
||||
print(f"Using FIDO2 device: {self.device}")
|
||||
|
||||
class InputDataError(Exception):
|
||||
def __init__(self, message="", error_code=None):
|
||||
self.message = f"Input data insufficient or malformed: {message}"
|
||||
self.error_code = error_code
|
||||
super().__init__(self.message)
|
||||
|
||||
def get_client(self, origin):
|
||||
class MyUserInteraction(UserInteraction):
|
||||
def prompt_up(self):
|
||||
print("\nPlease touch your security key...\n")
|
||||
def request_pin(self, permissions, rp_id):
|
||||
print(f"PIN requested for {rp_id}")
|
||||
return getpass.getpass("Enter your security key's PIN: ")
|
||||
|
||||
client = Fido2Client(self.device, origin, user_interaction=MyUserInteraction())
|
||||
return client
|
||||
|
||||
def create(self, create_options, origin = ""):
|
||||
print("WEBAUTHN_START_REGISTER")
|
||||
options = {"publicKey": create_options}
|
||||
|
||||
if not origin:
|
||||
origin = f'https://{options["publicKey"]["rp"]["id"]}'
|
||||
if not origin:
|
||||
raise self.InputDataError("origin")
|
||||
|
||||
client = self.get_client(origin)
|
||||
|
||||
options["publicKey"]["challenge"] = websafe_decode(options["publicKey"]["challenge"])
|
||||
options["publicKey"]["user"]["id"] = websafe_decode(options["publicKey"]["user"]["id"])
|
||||
|
||||
if "excludeCredentials" in options["publicKey"]:
|
||||
for cred in options["publicKey"]["excludeCredentials"]:
|
||||
cred["id"] = websafe_decode(cred["id"])
|
||||
|
||||
pk_create_options = options["publicKey"]
|
||||
challenge = pk_create_options["challenge"]
|
||||
rp = pk_create_options["rp"]
|
||||
user = pk_create_options["user"]
|
||||
pub_key_cred_params = pk_create_options["pubKeyCredParams"]
|
||||
|
||||
pk_options = PublicKeyCredentialCreationOptions(rp, user, challenge, pub_key_cred_params)
|
||||
|
||||
print(f"WEBAUTHN_MAKE_CREDENTIAL(RP={rp})")
|
||||
|
||||
attestation = client.make_credential(pk_options)
|
||||
|
||||
client_data_b64 = attestation.client_data.b64
|
||||
attestation_object = attestation.attestation_object
|
||||
credential = attestation.attestation_object.auth_data.credential_data
|
||||
if not credential:
|
||||
raise Exception()
|
||||
|
||||
result = {
|
||||
"id": websafe_encode(credential.credential_id),
|
||||
"rawId": websafe_encode(credential.credential_id),
|
||||
"type": "public-key",
|
||||
"response": {
|
||||
"attestationObject": websafe_encode(attestation_object),
|
||||
"clientDataJSON": client_data_b64
|
||||
}
|
||||
}
|
||||
print(f"WEBAUTHN_ATTESTATION(ID={result['id']})")
|
||||
return result
|
||||
|
||||
def get(self, get_options, origin = ""):
|
||||
print("WEBAUTHN_START_AUTHENTICATION")
|
||||
options = {"publicKey": get_options}
|
||||
|
||||
if not origin:
|
||||
origin = f'https://{options["publicKey"]["rpId"]}'
|
||||
if not origin:
|
||||
raise self.InputDataError("origin")
|
||||
|
||||
client = self.get_client(origin)
|
||||
|
||||
options["publicKey"]["challenge"] = websafe_decode(options["publicKey"]["challenge"])
|
||||
|
||||
rp_id = options["publicKey"].get("rpId", "webauthn.io")
|
||||
challenge = options["publicKey"]["challenge"]
|
||||
|
||||
if "allowCredentials" in options["publicKey"]:
|
||||
for cred in options["publicKey"]["allowCredentials"]:
|
||||
cred["id"] = websafe_decode(cred["id"])
|
||||
|
||||
allowed = [PublicKeyCredentialDescriptor(cred["type"], cred["id"])
|
||||
for cred in options["publicKey"]["allowCredentials"]]
|
||||
|
||||
pk_options = PublicKeyCredentialRequestOptions(challenge, rp_id=rp_id, allow_credentials=allowed)
|
||||
|
||||
print(f"WEBAUTHN_GET_ASSERTION(RPID={rp_id})")
|
||||
|
||||
assertion_response = client.get_assertion(pk_options)
|
||||
|
||||
assertion = assertion_response.get_response(0)
|
||||
if not assertion.credential_id:
|
||||
raise Exception()
|
||||
|
||||
result = {
|
||||
"id": websafe_encode(assertion.credential_id),
|
||||
"rawId": websafe_encode(assertion.credential_id),
|
||||
"type": "public-key",
|
||||
"response": {
|
||||
"authenticatorData": websafe_encode(assertion.authenticator_data),
|
||||
"clientDataJSON": assertion.client_data.b64,
|
||||
"signature": websafe_encode(assertion.signature),
|
||||
"userHandle": websafe_encode(assertion.user_handle) if assertion.user_handle else None
|
||||
}
|
||||
}
|
||||
print(f"WEBAUTHN_AUTHENTICATION(ID={result['id']})")
|
||||
return result
|
||||
|
||||
|
||||
class VirtualFidoDevice:
|
||||
def __init__(self, file: str = "fido.json"):
|
||||
self.file = file
|
||||
self.credentials = {}
|
||||
self._load_credentials()
|
||||
|
||||
class InputDataError(Exception):
|
||||
def __init__(self, message="", error_code=None):
|
||||
super().__init__(f"Input data insufficient or malformed: {message}")
|
||||
|
||||
class CredNotFoundError(Exception):
|
||||
def __init__(self, message="No available credential found", error_code=None):
|
||||
super().__init__(message)
|
||||
|
||||
def _load_credentials(self):
|
||||
if os.path.exists(self.file):
|
||||
try:
|
||||
with open(self.file, 'r') as f:
|
||||
self.credentials = json.load(f)
|
||||
except FileNotFoundError:
|
||||
self.credentials = {}
|
||||
|
||||
def _save_credentials(self):
|
||||
with open(self.file, 'w') as f:
|
||||
json.dump(self.credentials, f, indent=4)
|
||||
|
||||
def _create_authenticator_data(self, rp_id: bytes, counter: int = 0,
|
||||
user_present: bool = True,
|
||||
user_verified: bool = True,
|
||||
credential_data: Optional[bytes] = None) -> bytes:
|
||||
|
||||
rp_id_hash = hashlib.sha256(rp_id).digest()
|
||||
|
||||
flags = 0
|
||||
if user_present:
|
||||
flags |= 1 << 0
|
||||
if user_verified:
|
||||
flags |= 1 << 2
|
||||
if credential_data is not None:
|
||||
flags |= 1 << 6
|
||||
|
||||
counter_bytes = struct.pack(">I", counter)
|
||||
|
||||
auth_data = rp_id_hash + bytes([flags]) + counter_bytes
|
||||
|
||||
if credential_data is not None:
|
||||
auth_data += credential_data
|
||||
|
||||
return auth_data
|
||||
|
||||
def _get_public_key_cose(self, key) -> bytes:
|
||||
x = key.pointQ.x.to_bytes(32, byteorder='big')
|
||||
y = key.pointQ.y.to_bytes(32, byteorder='big')
|
||||
cose_key = {1: 2, 3: -7, -1: 1, -2: x, -3: y}
|
||||
return cbor2.dumps(cose_key)
|
||||
|
||||
def _b64url(self, d):
|
||||
if isinstance(d, bytes):
|
||||
return base64.urlsafe_b64encode(d).decode('utf-8').rstrip('=')
|
||||
elif isinstance(d, str):
|
||||
return base64.urlsafe_b64decode(d + "===")
|
||||
|
||||
|
||||
def create(self, data: Dict[str, Any], origin: str = "") -> Dict[str, Any]:
|
||||
challenge = data.get("challenge")
|
||||
if isinstance(challenge, str):
|
||||
challenge = self._b64url(challenge)
|
||||
|
||||
rp = data.get("rp", {})
|
||||
user = data.get("user", {})
|
||||
|
||||
pub_key_params = data.get("pubKeyCredParams", [])
|
||||
|
||||
alg = -7
|
||||
for param in pub_key_params:
|
||||
if param.get('type') == 'public-key' and param.get('alg') == -7:
|
||||
alg = -7
|
||||
break
|
||||
|
||||
if not origin:
|
||||
origin = data.get("origin")
|
||||
if not origin:
|
||||
raise self.InputDataError("origin")
|
||||
|
||||
rp_id = rp.get("id", "").encode()
|
||||
|
||||
user_id = user.get("id")
|
||||
if isinstance(user_id, str):
|
||||
user_id = self._b64url(user_id)
|
||||
|
||||
key = ECC.generate(curve='P-256')
|
||||
private_key = key.export_key(format='PEM')
|
||||
public_key = key.public_key().export_key(format='PEM') # noqa: F841
|
||||
|
||||
credential_id = os.urandom(16)
|
||||
credential_id_b64 = self._b64url(credential_id)
|
||||
|
||||
cose_pubkey = self._get_public_key_cose(key)
|
||||
|
||||
cred_id_length = struct.pack(">H", len(credential_id))
|
||||
|
||||
aaguid = b'\x00' * 16
|
||||
attested_data = aaguid + cred_id_length + credential_id + cose_pubkey
|
||||
|
||||
auth_data = self._create_authenticator_data(rp_id, counter=0, credential_data=attested_data)
|
||||
|
||||
client_data = ('{"type":"%s","challenge":"%s","origin":"%s","crossOrigin":false}'
|
||||
% ("webauthn.create", self._b64url(challenge), origin)).encode()
|
||||
client_data_hash = hashlib.sha256(client_data).digest()
|
||||
|
||||
signature_data = auth_data + client_data_hash
|
||||
|
||||
h = SHA256.new(signature_data)
|
||||
signer = DSS.new(key, 'fips-186-3', encoding='der')
|
||||
signature = signer.sign(h)
|
||||
|
||||
# Self Attestation
|
||||
attn_fmt = "packed"
|
||||
attn_stmt = {
|
||||
"alg": -7,
|
||||
"sig": signature
|
||||
}
|
||||
|
||||
attn_obj = {
|
||||
"fmt": attn_fmt,
|
||||
"attStmt": attn_stmt,
|
||||
"authData": auth_data
|
||||
}
|
||||
attn_cbor = cbor2.dumps(attn_obj)
|
||||
|
||||
|
||||
self.credentials[credential_id_b64] = {
|
||||
"private_key": private_key,
|
||||
"rp_id": rp_id.decode(),
|
||||
"user_id": self._b64url(user_id),
|
||||
"user_name": user.get('displayName', ''),
|
||||
"created": int(time.time()),
|
||||
"counter": 0
|
||||
}
|
||||
self._save_credentials()
|
||||
|
||||
response = {
|
||||
"authenticatorAttachment": "cross-platform",
|
||||
"id": credential_id_b64,
|
||||
"rawId": credential_id_b64,
|
||||
"response": {
|
||||
"attestationObject": self._b64url(attn_cbor),
|
||||
"clientDataJSON": self._b64url(client_data),
|
||||
"publicKey": self._b64url(cose_pubkey),
|
||||
"authenticatorData": self._b64url(auth_data),
|
||||
"pubKeyAlgo": str(alg),
|
||||
"transports": ["usb"]
|
||||
},
|
||||
"type": "public-key"
|
||||
}
|
||||
return response
|
||||
|
||||
|
||||
def get(self, data: Dict[str, Any], origin: str = "") -> Dict[str, Any]:
|
||||
|
||||
challenge = data.get("challenge")
|
||||
if isinstance(challenge, str):
|
||||
challenge = self._b64url(challenge)
|
||||
|
||||
allowed_credential = data.get("allowCredentials")
|
||||
|
||||
for credential in allowed_credential:
|
||||
credential_id_b64 = credential["id"]
|
||||
if self.credentials.get(credential_id_b64):
|
||||
cred = self.credentials[credential_id_b64]
|
||||
break
|
||||
else:
|
||||
raise self.CredNotFoundError()
|
||||
|
||||
rp_id = data.get("rpId", "").encode('utf-8')
|
||||
if not rp_id:
|
||||
raise self.InputDataError("rp_id")
|
||||
|
||||
if not origin:
|
||||
origin = data.get("origin")
|
||||
if not origin:
|
||||
raise self.InputDataError("origin")
|
||||
|
||||
counter = cred.get("counter", 0) + 1
|
||||
cred["counter"] = counter
|
||||
|
||||
auth_data = self._create_authenticator_data(
|
||||
rp_id=rp_id,
|
||||
counter=counter,
|
||||
user_present=True,
|
||||
user_verified=True
|
||||
)
|
||||
|
||||
client_data = ('{"type":"%s","challenge":"%s","origin":"%s","crossOrigin":false}'
|
||||
% ("webauthn.get", self._b64url(challenge), origin)).encode()
|
||||
client_data_hash = hashlib.sha256(client_data).digest()
|
||||
|
||||
signature_data = auth_data + client_data_hash
|
||||
|
||||
key = ECC.import_key(cred["private_key"])
|
||||
h = SHA256.new(signature_data)
|
||||
signer = DSS.new(key, 'fips-186-3', encoding='der')
|
||||
signature = signer.sign(h)
|
||||
|
||||
self._save_credentials()
|
||||
|
||||
response = {
|
||||
"authenticatorAttachment": "cross-platform",
|
||||
"id": credential_id_b64,
|
||||
"rawId": credential_id_b64,
|
||||
"response": {
|
||||
"authenticatorData": self._b64url(auth_data),
|
||||
"clientDataJSON": self._b64url(client_data),
|
||||
"signature": self._b64url(signature)
|
||||
},
|
||||
"type": "public-key"
|
||||
}
|
||||
return response
|
||||
|
||||
|
||||
if __name__=="__main__":
|
||||
import requests
|
||||
|
||||
sess = requests.Session()
|
||||
fido = VirtualFidoDevice()
|
||||
|
||||
payload = {
|
||||
"algorithms": ["es256"], "attachment": "all", "attestation": "none", "discoverable_credential": "preferred",
|
||||
"hints": [], "user_verification": "preferred", "username": "asdf"
|
||||
}
|
||||
resp = sess.post("https://webauthn.io/registration/options", json=payload)
|
||||
print(resp.json())
|
||||
data = fido.create(resp.json(), origin="https://webauthn.io")
|
||||
data["rawId"] = data["id"]
|
||||
print(data)
|
||||
resp = sess.post("https://webauthn.io/registration/verification", json={"response": data, "username": "asdf"})
|
||||
print(resp.json())
|
||||
print()
|
||||
|
||||
sess.get("https://webauthn.io/logout")
|
||||
|
||||
payload = {"username":"asdf", "user_verification":"preferred", "hints":[]}
|
||||
resp = sess.post("https://webauthn.io/authentication/options", json=payload, headers={"origin": "https://webauthn.io"})
|
||||
print(resp.json())
|
||||
data = fido.get(resp.json(), origin="https://webauthn.io")
|
||||
print(data)
|
||||
data["rawId"] = data["id"]
|
||||
resp = sess.post("https://webauthn.io/authentication/verification", json={"response": data, "username": "asdf"})
|
||||
print(resp.json())
|
||||
229
login.py
229
login.py
@@ -10,9 +10,13 @@ from base64 import b64decode
|
||||
from Crypto.PublicKey import RSA
|
||||
from Crypto.Cipher import PKCS1_v1_5
|
||||
|
||||
from SECRET import SNU_ID, SNU_PW, SNU_NM
|
||||
from fido import VirtualFidoDevice as FidoDevice
|
||||
|
||||
def do(sess, data):
|
||||
SNU_PW = "" # Unused on Passkey
|
||||
SNU_ID = ""
|
||||
SNU_NM = ""
|
||||
|
||||
def key_init(sess):
|
||||
curve = P256
|
||||
n = curve.q
|
||||
byte_length = (n.bit_length() + 7) // 8
|
||||
@@ -22,9 +26,9 @@ def do(sess, data):
|
||||
client_prikey = format(rand, 'x')
|
||||
priv_key_int = int(client_prikey, 16)
|
||||
|
||||
G = Point(curve.gx, curve.gy, curve)
|
||||
G = Point(curve.gx, curve.gy, curve)
|
||||
client_pub = priv_key_int * G
|
||||
|
||||
|
||||
client_pubkey_x = format(client_pub.x, '064x')
|
||||
client_pubkey_y = format(client_pub.y, '064x')
|
||||
client_pubkey = client_pubkey_x + client_pubkey_y
|
||||
@@ -41,20 +45,98 @@ def do(sess, data):
|
||||
|
||||
server_point = Point(svr_qx_int, svr_qy_int, curve)
|
||||
shared_point = server_point * priv_key_int
|
||||
|
||||
|
||||
calkey_x = format(shared_point.x, '064x')
|
||||
calkey_y = format(shared_point.y, '064x')
|
||||
|
||||
|
||||
client_calkey = calkey_x + calkey_y
|
||||
|
||||
|
||||
passni_key = unhexlify(client_calkey[:64])
|
||||
passni_iv = unhexlify(client_calkey[64:96])
|
||||
|
||||
|
||||
return passni_iv, passni_key
|
||||
|
||||
|
||||
def encrypt_login(sess, data):
|
||||
passni_iv, passni_key = key_init(sess)
|
||||
encrypt_data = seed_cbc_encrypt(data.encode(), passni_key, passni_iv)
|
||||
|
||||
return encrypt_data
|
||||
|
||||
def sso_login(sess = None, agt_resp = None):
|
||||
|
||||
def sso_register_passkey(sess = None):
|
||||
if not sess:
|
||||
sess = requests.session()
|
||||
|
||||
payload = {"crtfc_type": "fido2", "lang": "ko", "return_url": "https://nsso.snu.ac.kr/sso/usr/snu/mfa/login/view", "lnksys_id": "snu-mfa-sso"}
|
||||
resp = sess.post("https://mfalogin.snu.ac.kr/mfa/user/snu/regist/step", data=payload)
|
||||
|
||||
resp = sess.post("https://mfalogin.snu.ac.kr/mfa/user/com/ajaxNextKey")
|
||||
next_key = resp.text
|
||||
|
||||
payload = {"next_key": next_key, "sel_user_id": "", "lang": "ko", "user_id": SNU_ID, "user_name": "", "user_birth": ""}
|
||||
resp = sess.post("https://mfalogin.snu.ac.kr/mfa/user/snu/com/ajaxUserIdCheck", data=payload)
|
||||
if not (r := resp.json()).get("result"):
|
||||
raise Exception(r)
|
||||
|
||||
resp = sess.post("https://mfalogin.snu.ac.kr/mfa/user/com/ajaxNextKey")
|
||||
next_key = resp.text
|
||||
|
||||
payload = {"next_key": next_key, "gubun": "self", "lang": "ko", "crtfc_no": ""}
|
||||
resp = sess.post("https://mfalogin.snu.ac.kr/mfa/user/com/ajaxSendMail", data=payload)
|
||||
if not (r := resp.json()).get("result"):
|
||||
raise Exception(r)
|
||||
|
||||
print("Verification Code sent to mail.")
|
||||
verif = input("? ")
|
||||
|
||||
payload = {"next_key": next_key, "gubun": "self", "lang": "ko", "crtfc_no": verif}
|
||||
resp = sess.post("https://mfalogin.snu.ac.kr/mfa/user/snu/com/ajaxValidCrtfcNo", data=payload)
|
||||
if not (r := resp.json()).get("result"):
|
||||
raise Exception(r)
|
||||
|
||||
payload = {"next_key": next_key, "gubun": "self", "lang": "ko", "crtfc_no": verif}
|
||||
resp = sess.post("https://mfalogin.snu.ac.kr/mfa/user/snu/regist/step04/fido2", data=payload)
|
||||
|
||||
resp = sess.post("https://mfalogin.snu.ac.kr/mfa/user/com/ajaxNextKey")
|
||||
next_key = resp.text
|
||||
|
||||
payload = {
|
||||
"username": "",
|
||||
"displayName": "",
|
||||
"credentialNickname": "",
|
||||
"authenticatorSelection": {
|
||||
"requireResidentKey": False,
|
||||
"authenticatorAttachment": "platform",
|
||||
"userVerification":"preferred"
|
||||
},
|
||||
"attestation": "direct"
|
||||
}
|
||||
|
||||
resp = sess.post("https://mfalogin.snu.ac.kr/mfa/user/fido2/register", json=payload, headers={"Origin": "https://mfalogin.snu.ac.kr"})
|
||||
result = resp.json()
|
||||
if result.get("status") != "ok":
|
||||
raise Exception(result)
|
||||
|
||||
fido = FidoDevice("snu_fido.json")
|
||||
resp = fido.create(result, "https://mfalogin.snu.ac.kr")
|
||||
|
||||
data = {
|
||||
"type": resp["type"],
|
||||
"id": resp["id"],
|
||||
"response": {
|
||||
"attestationObject": resp["response"]["attestationObject"],
|
||||
"clientDataJSON": resp["response"]["clientDataJSON"],
|
||||
},
|
||||
"clientExtensionResults": {}
|
||||
}
|
||||
payload = {"register_data": json.dumps(data)}
|
||||
resp = sess.post("https://mfalogin.snu.ac.kr/mfa/user/fido2/register/finish", data=payload, headers={"Origin": "https://mfalogin.snu.ac.kr"})
|
||||
|
||||
payload = {"next_key": next_key, "type": "fido2", "lang": "ko"}
|
||||
resp = sess.post("https://mfalogin.snu.ac.kr/mfa/user/snu/regist/step05", data=payload)
|
||||
|
||||
|
||||
def sso_login(sess = None, agt_resp = None, auth_type = "passkey"):
|
||||
if not sess:
|
||||
sess = requests.session()
|
||||
|
||||
@@ -70,59 +152,113 @@ def sso_login(sess = None, agt_resp = None):
|
||||
payload = {"agt_url": agt_url, "agt_r": agt_r, "agt_id": agt_id}
|
||||
resp = sess.post("https://nsso.snu.ac.kr/sso/usr/login/link", data=payload)
|
||||
|
||||
login_key = resp.text.split('id="login_key" name="login_key" value="')[1].split('"')[0]
|
||||
ed = do(sess, f'{"login_id":"{SNU_ID}","login_pwd":"{SNU_PW}"}')
|
||||
if "login_key" in resp.text:
|
||||
|
||||
payload = {'user_data': ed.hex(), 'login_key': login_key}
|
||||
resp = sess.post("https://nsso.snu.ac.kr/sso/usr/snu/mfa/login/auth", data=payload)
|
||||
|
||||
verif_type = 'mail'
|
||||
login_key = resp.text.split('id="login_key" name="login_key" value="')[1].split('"')[0]
|
||||
|
||||
payload = {'crtfc_type': 'mail', 'login_key': login_key}
|
||||
resp = sess.post("https://nsso.snu.ac.kr/sso/usr/snu/mfa/login/ajaxUserSend", data=payload)
|
||||
if auth_type == "passkey":
|
||||
key_init(sess)
|
||||
payload = {'user_id': SNU_ID, 'crtfc_type': 'fido2', 'login_key': login_key}
|
||||
resp = sess.post("https://nsso.snu.ac.kr/sso/usr/snu/mfa/login/fido2/ajaxIDTokenCreate", data=payload)
|
||||
result = resp.json()
|
||||
if not result["result"]:
|
||||
raise Exception(result)
|
||||
|
||||
verif = input("Verification code ? ")
|
||||
id_token = result["id_token"]
|
||||
|
||||
payload = {'crtfc_no': verif, 'login_key': login_key, "bypass_check": "true"}
|
||||
resp = sess.post("https://nsso.snu.ac.kr/sso/usr/snu/mfa/login/ajaxUserAuthId", data=payload)
|
||||
payload = {"id_token": id_token, "userVerification": "preferred"}
|
||||
resp = sess.post("https://mfalogin.snu.ac.kr/mfa/user/fido2/options", json=payload, headers={"origin": "https://nsso.snu.ac.kr"})
|
||||
result = resp.json()
|
||||
|
||||
fido = FidoDevice("snu_fido.json")
|
||||
try:
|
||||
resp = fido.get(result, "https://nsso.snu.ac.kr")
|
||||
except FidoDevice.CredNotFoundError:
|
||||
sso_register_passkey()
|
||||
print("Passkey created, please rerun.")
|
||||
return
|
||||
|
||||
data = {
|
||||
"type": "public-key",
|
||||
"id": resp["id"],
|
||||
"response": {
|
||||
"authenticatorData": resp["response"]["authenticatorData"],
|
||||
"clientDataJSON": resp["response"]["clientDataJSON"],
|
||||
"signature": resp["response"]["signature"]
|
||||
},
|
||||
"clientExtensionResults": {}
|
||||
}
|
||||
|
||||
payload = {"user_data": json.dumps(data), "id_token": id_token}
|
||||
resp = sess.post("https://mfalogin.snu.ac.kr/mfa/user/fido2/auth", data=payload, headers={"origin": "https://nsso.snu.ac.kr"})
|
||||
if not (result := resp.json()).get("result"):
|
||||
raise Exception(result)
|
||||
|
||||
payload = {"user_data": "", "page_lang": "", "login_key": login_key, "pwd_type":""}
|
||||
resp = sess.post("https://nsso.snu.ac.kr/sso/usr/snu/login/link", data=payload)
|
||||
payload = {'login_key': login_key}
|
||||
resp = sess.post("https://nsso.snu.ac.kr/sso/usr/snu/mfa/login/fido2/ajaxUserAuthFido2", data=payload)
|
||||
if not (result := resp.json()).get("result"):
|
||||
raise Exception(result)
|
||||
print(resp.json())
|
||||
|
||||
elif auth_type in ["sms", "main"]:
|
||||
|
||||
# Login
|
||||
ed = encrypt_login(sess, f'{{"login_id":"{SNU_ID}","login_pwd":"{SNU_PW}"}}')
|
||||
payload = {'user_data': ed.hex(), 'login_key': login_key}
|
||||
resp = sess.post("https://nsso.snu.ac.kr/sso/usr/snu/mfa/login/auth", data=payload)
|
||||
|
||||
# 2FA
|
||||
payload = {'crtfc_type': auth_type, 'login_key': login_key}
|
||||
resp = sess.post("https://nsso.snu.ac.kr/sso/usr/snu/mfa/login/ajaxUserSend", data=payload)
|
||||
|
||||
verif = input("? ")
|
||||
|
||||
payload = {'crtfc_no': verif, 'login_key': login_key, "bypass_check": "true"}
|
||||
resp = sess.post("https://nsso.snu.ac.kr/sso/usr/snu/mfa/login/ajaxUserAuthId", data=payload)
|
||||
|
||||
# Login complete
|
||||
|
||||
payload = {"user_data": "", "page_lang": "", "login_key": login_key, "pwd_type":""}
|
||||
resp = sess.post("https://nsso.snu.ac.kr/sso/usr/snu/login/link", data=payload)
|
||||
|
||||
target = resp.text.split('name="loginForm" method="post" action="')[1].split('"')[0]
|
||||
pni_login_type = resp.text.split('name="pni_login_type" value="')[1].split('"')[0]
|
||||
pni_data = resp.text.split('name="pni_data" value="')[1].split('"')[0]
|
||||
action = resp.text.split('name="loginForm" method="post" action="')[1].split('"')[0]
|
||||
|
||||
payload = {"pni_login_type": pni_login_type, "pni_data": pni_data}
|
||||
resp = sess.post(action, data=payload)
|
||||
|
||||
resp = sess.get("https://my.snu.ac.kr/index.jsp")
|
||||
|
||||
return sess
|
||||
payload = {"pni_login_type": pni_login_type, "pni_data": pni_data}
|
||||
resp = sess.post(target, data=payload)
|
||||
|
||||
return resp
|
||||
|
||||
|
||||
def save_login(sess):
|
||||
cookies = [(i.name, i.value) for i in sess.cookies]
|
||||
with open("sess.json", "w") as f:
|
||||
json.dump(cookies, f, indent=4)
|
||||
|
||||
|
||||
def etl_login():
|
||||
sess = requests.session()
|
||||
|
||||
if os.path.exists("sess.json"):
|
||||
with open("sess.json", "r") as f:
|
||||
cookies = json.load(f)
|
||||
for i in cookies:
|
||||
sess.cookies.set(i[0], i[1])
|
||||
else:
|
||||
sso_login(sess)
|
||||
save_login(sess)
|
||||
|
||||
resp = sess.get("https://etl.snu.ac.kr/login")
|
||||
## Since we automated Passkey, its better to just log-in everytime.
|
||||
|
||||
# if os.path.exists("sess.json"):
|
||||
# with open("sess.json", "r") as f:
|
||||
# cookies = json.load(f)
|
||||
# for i in cookies:
|
||||
# sess.cookies.set(i[0], i[1])
|
||||
#
|
||||
|
||||
sso = sess.get("https://etl.snu.ac.kr/passni/sso/spLogin.php")
|
||||
resp = sso_login(sess, agt_resp=sso)
|
||||
# save_login(sess)
|
||||
if "gw-cb.php" not in resp.text:
|
||||
print(resp.text)
|
||||
raise Exception("Login Failed")
|
||||
|
||||
resp = sess.get("https://etl.snu.ac.kr/xn-sso/gw-cb.php")
|
||||
if "iframe.src=" in resp.text:
|
||||
cburl = resp.text.split('iframe.src="')[1].split('"')[0]
|
||||
else:
|
||||
print(resp.text)
|
||||
sso_login(sess, agt_resp=resp)
|
||||
|
||||
resp = sess.get(cburl)
|
||||
cpar = resp.text.split("window.loginCryption(")[1].split(")")[0]
|
||||
@@ -135,7 +271,7 @@ def etl_login():
|
||||
key = RSA.import_key(pk)
|
||||
cipher = PKCS1_v1_5.new(key)
|
||||
pt = cipher.decrypt(ct, b'')
|
||||
|
||||
|
||||
payload = {
|
||||
"utf8": "✓", "redirect_to_ssl": "1", "after_login_url": "",
|
||||
"pseudonym_session[unique_id]": SNU_NM,
|
||||
@@ -145,3 +281,8 @@ def etl_login():
|
||||
resp = sess.post("https://myetl.snu.ac.kr/login/canvas", data=payload, headers={"referer": cburl})
|
||||
|
||||
return sess
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
# sso_register_passkey()
|
||||
sso_login()
|
||||
|
||||
Reference in New Issue
Block a user