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app.py
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app.py
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import os
from contextvars import ContextVar
from typing import Annotated, Any, Dict
from functools import cache
from fastapi.security import OAuth2PasswordBearer
import sentry_sdk
from fastapi import Depends, FastAPI, HTTPException, status
from starlette.middleware.cors import CORSMiddleware
from fastapi.responses import StreamingResponse
from honcho import Honcho
from pydantic import BaseModel
from cryptography.fernet import Fernet
import base64
from calls import GaslitClaude, Simulator
import jwt
from dotenv import load_dotenv
load_dotenv(override=True)
def get_env(key: str):
var = os.getenv(key)
if not var:
raise ValueError(f"{key} is not set in .env")
return var
HONCHO_ENV = get_env("HONCHO_ENV")
CLIENT_REGEX = get_env("CLIENT_REGEX")
print(CLIENT_REGEX)
JWT_SECRET = get_env("JWT_SECRET")
SECRET_KEY = base64.b64decode(get_env("SECRET_KEY"))
HONCHO_APP_NAME = get_env("HONCHO_APP_NAME")
fernet = Fernet(SECRET_KEY)
honcho = Honcho(base_url=HONCHO_ENV)
honcho_app = honcho.apps.get_or_create(HONCHO_APP_NAME)
gaslit_ctx = ContextVar(
"gaslit_claude", default=GaslitClaude(name="", insights="", history=[])
)
simulator_ctx = ContextVar("simulator", default=Simulator(history=[], name=""))
sentry_sdk.init(
# dsn=os.getenv("SENTRY_DSN"),
# Set traces_sample_rate to 1.0 to capture 100%
# of transactions for performance monitoring.
traces_sample_rate=0.3,
# Set profiles_sample_rate to 1.0 to profile 100%
# of sampled transactions.
# We recommend adjusting this value in production.
profiles_sample_rate=0.3,
)
app = FastAPI()
app.add_middleware(
CORSMiddleware,
allow_origin_regex=os.getenv("CLIENT_REGEX"),
allow_origins=["*"],
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
)
class BaseRequest(BaseModel):
session_id: str
class ManualRequest(BaseRequest):
command: str
class ChatResponse(BaseModel):
message: str
session_id: str
oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token")
@cache
async def get_or_create_user_from_name(user_id: str):
user = honcho.apps.users.get_or_create(app_id=honcho_app.id, name=user_id)
return user
async def get_current_user(token: Annotated[str, Depends(oauth2_scheme)]):
credentials_exception = HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="Could not validate credentials",
headers={"WWW-Authenticate": "Bearer"},
)
try:
payload = jwt.decode(
token,
JWT_SECRET,
algorithms=["HS256"],
audience="authenticated",
)
user = honcho.apps.users.get_or_create(
app_id=honcho_app.id, name=payload["sub"]
)
return user.id
except jwt.InvalidTokenError as e:
print(e)
raise credentials_exception
def messages(res: BaseRequest, user_id: str):
gaslit_claude = GaslitClaude(name="", insights="", history=[])
simulator = Simulator(history=[], name="")
history_iter = honcho.apps.users.sessions.messages.list(
app_id=honcho_app.id, session_id=res.session_id, user_id=user_id
)
gaslit_claude.history = []
simulator.history = []
for message in history_iter:
if message.is_user:
gaslit_claude.history += [{"role": "assistant", "content": message.content}]
simulator.history += [{"role": "user", "content": message.content}]
else:
gaslit_claude.history += [{"role": "user", "content": message.content}]
simulator.history += [{"role": "assistant", "content": message.content}]
gaslit_ctx.set(gaslit_claude)
simulator_ctx.set(simulator)
def manual_turn(res: ManualRequest, user_id: str):
gaslit_response = res.command
simulator_response = ""
simulator = simulator_ctx.get()
simulator.history += [{"role": "user", "content": res.command}] # type: ignore
response = simulator.stream()
for text in response:
simulator_response += text
yield text
honcho.apps.users.sessions.messages.create(
session_id=res.session_id,
app_id=honcho_app.id,
user_id=user_id,
content=gaslit_response,
is_user=True,
)
honcho.apps.users.sessions.messages.create(
session_id=res.session_id,
app_id=honcho_app.id,
user_id=user_id,
content=simulator_response,
is_user=False,
)
@app.post("/manual")
async def manual(res: ManualRequest, user_id: str = Depends(get_current_user)):
messages(res, user_id)
return StreamingResponse(manual_turn(res, user_id))
@app.post("/auto")
async def auto(res: BaseRequest, user_id: str = Depends(get_current_user)):
messages(res, user_id)
def convo():
gaslit_response = ""
gaslit_claude = gaslit_ctx.get()
response = gaslit_claude.stream()
for text in response:
gaslit_response += text
yield text
return StreamingResponse(convo())
@app.get("/user")
async def user(name: str):
user = honcho.apps.users.get_or_create(app_id=honcho_app.id, name=name)
return {
"user_id": user.id,
}
async def session():
pass
class Reset(BaseModel):
user_id: str
session_id: str | None
@app.get("/reset")
async def reset(
session_id: str | None = None, user_id: str = Depends(get_current_user)
):
if session_id:
honcho.apps.users.sessions.delete(
app_id=honcho_app.id, session_id=session_id, user_id=user_id
)
session = honcho.apps.users.sessions.create(app_id=honcho_app.id, user_id=user_id)
# TODO reset the session
# gaslit_claude.history = []
# simulator.history = []
return {
"user_id": user_id,
"session_id": session.id,
}
@app.get("/session")
async def get_session_messages(
session_id: str | None = None, user_id: str = Depends(get_current_user)
):
if not session_id:
# Fetch the latest session if session_id is not provided
sessions = honcho.apps.users.sessions.list(
app_id=honcho_app.id, user_id=user_id, size=1, reverse=True
)
session_id = sessions.items[0].id
try:
# Fetch messages for the given or latest session
messages = honcho.apps.users.sessions.messages.list(
app_id=honcho_app.id, user_id=user_id, session_id=session_id
)
return {
"session_id": session_id,
"messages": [
{
"id": msg.id,
"content": msg.content,
"created_at": msg.created_at,
"is_user": msg.is_user,
}
for msg in messages
],
}
except Exception as e:
return {"error": f"Failed to fetch messages: {str(e)}"}
@app.get("/sessions")
async def get_sessions(user_id: str = Depends(get_current_user)):
try:
sessions = honcho.apps.users.sessions.list(
app_id=honcho_app.id,
user_id=user_id,
reverse=True, # Get the most recent sessions first
)
return [session for session in sessions]
except Exception as e:
return {"error": f"Failed to fetch sessions: {str(e)}"}
@app.put("/sessions/{session_id}/metadata")
async def update_session_metadata(
session_id: str, metadata: Dict[str, Any], user_id: str = Depends(get_current_user)
):
try:
updated_session = honcho.apps.users.sessions.update(
session_id=session_id,
app_id=honcho_app.id,
user_id=user_id,
metadata=metadata,
)
return {"session_id": updated_session.id, "metadata": updated_session.metadata}
except Exception as e:
raise HTTPException(
status_code=400, detail=f"Failed to update session metadata: {str(e)}"
)
@app.get("/share/{session_id}")
async def share(session_id: str, user_id: str = Depends(get_current_user)):
# return encrypted session_id and user_id
encrypted = fernet.encrypt(f"{session_id}:{user_id}".encode())
return {"code": encrypted.decode()}
@app.get("/share/messages/{code}")
async def share_messages(code: str):
try:
decrypted = fernet.decrypt(code.encode()).decode()
session_id, user_id = decrypted.split(":")
return await get_session_messages(session_id=session_id, user_id=user_id)
except Exception:
raise HTTPException(status_code=400, detail="Invalid encrypted data")