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youNme.py
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youNme.py
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from blinker import receiver_connected
# from signal_protocol import curve, identity_key, state, storage
from fastapi import FastAPI, File, UploadFile, HTTPException, status,Depends
from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
from tortoise import fields
from tortoise.fields import relational
from tortoise.models import Model
from tortoise.contrib.fastapi import register_tortoise
from tortoise.contrib.pydantic import pydantic_model_creator
from pydantic import BaseModel
import jwt
import hashlib
import rsa
import pickle
# key_pair_generation
# server_identity_keys = identity_key.IdentityKeyPair.generate()
JWT_SECRET = "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.c3N3b3JkX2hhc2giOiJlYzE4NTc5NWQ3MTFkM2NkNmI1NeyJpZCI6MiwidXNlcm5hbWUiOiJSOCIsInBhjYzZDNhNTQ2NTFjNzIwYThmMzExMW"
oa2 = OAuth2PasswordBearer(tokenUrl='token')
app = FastAPI()
async def authenticate_user(username: str, password: str):
user = await User.get(username= username)
if not user:
return False
if not user.verify_password(password):
return False
return user
async def get_current_user(token: str=Depends(oa2)):
try:
payload = jwt.decode(token, JWT_SECRET, algorithms=['HS256'])
user = await User.get(id = payload.get("id"))
except:
raise HTTPException(status_code = 401, detail="Invalid Username or Password!")
return await User_Pydantic.from_tortoise_orm(user)
class MessageSent(BaseModel):
message_con : str
to : str
class Userr(BaseModel):
name: str
lastname: str
email: str
password: str
class Server:
def __init__(self, pk, sk):
self.pk = pk
self.sk = sk
try:
with open("priv.k", "rb") as f:
priv = f.read()
priv_key = pickle.loads(priv)
with open("pub.k", "rb") as f:
pub = f.read()
print(type(pub))
pub_key = pickle.loads(pub)
print(type(pub_key))
# priv_key = rsa.PrivateKey.load_pkcs1(priv)
# pub_key = rsa.PublicKey.load_pkcs1(priv)
print("Read it, ")
print(priv_key)
print(pub_key)
except:
pub_key , priv_key= rsa.newkeys(512)
print("Printed It", priv_key)
print( pub_key)
with open("priv.k", "wb") as f:
pickle.dump(priv_key, f)
with open("pub.k", "wb") as f:
pickle.dump(pub_key, f)
server = Server(priv_key,pub_key)
class User(Model):
id = fields.IntField(pk=True)
username = fields.CharField(max_length=50, unique=True)
password_hash = fields.CharField(max_length=128)
name = fields.CharField(max_length=50)
lName = fields.CharField(max_length=50)
phone_number = fields.CharField(max_length=50, unique = True)
public_key = fields.CharField(max_length=530, null = True)
#CharField(max_length= 1024, null= True) #CharField(max_length= 1024, null= True)
async def get_user(self, username):
return self.get(username=username)
def verify_password(self, password):
return True
class Message(Model):
id = fields.IntField(pk=True)
sender = relational.ForeignKeyField("models.User", "user_id",null= True, on_delete=fields.SET_NULL)
receiver = relational.ForeignKeyField("models.User", "user_username",null= False, on_delete=fields.CASCADE)
message = fields.CharField(max_length=1024)
delivered = fields.IntField(default=0)
#CharField(max_length= 1024, null= True) #CharField(max_length= 1024, null= True)
class Userr(BaseModel):
name: str
lastname: str
phone_number: str
password: str
pub_key: str
register_tortoise(app,
db_url="sqlite://db.sqlite3",
modules={'models':['youNme']},
generate_schemas= True,
add_exception_handlers=True
)
User_Pydantic = pydantic_model_creator(User, name='User')
UserIn_Pydantic = pydantic_model_creator(User, name='UserIn', exclude_readonly=True)
import base64
@app.get('/getserversk')
async def getServerPublicKey():
server_SK = server.sk
server_SK = server_SK
string = base64.b64encode(pickle.dumps(server_SK)).decode()
return {"Server_public_K": string}
@app.post('/register', response_model=User_Pydantic)
async def create_user(user: UserIn_Pydantic):
print( user.username ,user.password_hash)
user_ob = User(username=user.username, password_hash=hashlib.sha256(user.password_hash.strip().encode('utf_8')).hexdigest(), name = user.name, lName=user.lName, phone_number=user.phone_number)
await user_ob.save()
return await User_Pydantic.from_tortoise_orm(user_ob)
@app.post('/token')
async def token(form_data: OAuth2PasswordRequestForm = Depends()):
print(form_data.username, form_data.password)
user = await authenticate_user(form_data.username, form_data.password)
if not user:
raise HTTPException(status_code = 401, detail="Invalid Username or Password!")
user_obj = await User_Pydantic.from_tortoise_orm(user)
# print(user_obj.password_hash)
# print(hashlib.sha256(form_data.password.encode('utf_8')).hexdigest())
if user_obj.password_hash != hashlib.sha256(form_data.password.encode('utf_8')).hexdigest():
raise HTTPException(status_code = 401, detail="Invalid Username or Password!")
ob_dict = user_obj.dict()
print(ob_dict)
token = jwt.encode(ob_dict, JWT_SECRET)
print(token)
return {"access_token": token, 'token_type': 'bearer'}
@app.post('/message')
async def message(message: MessageSent, user: User_Pydantic= Depends(get_current_user)):
message_con = pickle.loads(rsa.decrypt(base64.b64decode(message.message_con), server.pk))
receiver = pickle.loads(rsa.decrypt(base64.b64decode(message.to), server.pk))
print(receiver)
receiver = await User.get(username= receiver)
sender = await User.get(username = user.username)
print("here here")
message = await Message(sender = sender, receiver = receiver , message = message_con)
await message.save()
idn = message.id
another = await Message.get(id= idn)
print("here here 3")
return another
@app.post('/loadmessage')
async def message(message: MessageSent, user: User_Pydantic= Depends(get_current_user)):
messages = await Message.filter(receiver = user.id, delivered= 0)
for message in messages:
message.delivered = 1
await message.save()
print(message.sender_id)
try:
message.sender_id = await User.get(id = message.sender_id)
except:
pass
return messages