From 5d258bf67fa88d4006543ea801aeb1bc9dc78ee2 Mon Sep 17 00:00:00 2001
From: Bruce Lin <brucethesloth@gmail.com>
Date: Sat, 12 Jul 2025 17:53:01 -0400
Subject: [PATCH] created dummy fastapi

---
 api/web/Dockerfile         | 33 +++++++++++++
 api/web/app.py             | 71 ++++++++++++++++++++++++++++
 api/web/auth_utils.py      | 87 ++++++++++++++++++++++++++++++++++
 api/web/requirements.txt   |  5 ++
 api/web/start_webserver.sh | 52 +++++++++++++++++++++
 api/web/test_api.sh        | 96 ++++++++++++++++++++++++++++++++++++++
 api/web/users.py           | 34 ++++++++++++++
 7 files changed, 378 insertions(+)
 create mode 100644 api/web/Dockerfile
 create mode 100644 api/web/app.py
 create mode 100644 api/web/auth_utils.py
 create mode 100644 api/web/requirements.txt
 create mode 100755 api/web/start_webserver.sh
 create mode 100755 api/web/test_api.sh
 create mode 100644 api/web/users.py

diff --git a/api/web/Dockerfile b/api/web/Dockerfile
new file mode 100644
index 00000000..4f5d6870
--- /dev/null
+++ b/api/web/Dockerfile
@@ -0,0 +1,33 @@
+# Use Python 3.12 slim image
+FROM python:3.12-slim
+
+# Set working directory
+WORKDIR /app
+
+# Set environment variables
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    gcc \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements first for better caching
+COPY requirements.txt .
+
+# Install Python dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application code
+COPY . .
+
+# Create non-root user
+RUN useradd -m -u 1000 appuser && chown -R appuser:appuser /app
+USER appuser
+
+# Expose port
+EXPOSE 8000
+
+# Run the application
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "8000"]
\ No newline at end of file
diff --git a/api/web/app.py b/api/web/app.py
new file mode 100644
index 00000000..5f02ddff
--- /dev/null
+++ b/api/web/app.py
@@ -0,0 +1,71 @@
+from datetime import timedelta
+from fastapi import FastAPI, Depends, HTTPException, status
+from fastapi.security import OAuth2PasswordRequestForm
+from fastapi.middleware.cors import CORSMiddleware
+from users import Token, User, fake_users_db
+from auth_utils import (
+    authenticate_user,
+    create_access_token,
+    get_current_active_user,
+    ACCESS_TOKEN_EXPIRE_MINUTES
+)
+
+
+app = FastAPI(title="Trading Agents API", version="1.0.0")
+
+# Configure CORS
+origins = [
+    "http://localhost",
+    "http://localhost:3000",
+    "http://localhost:8000",
+    "http://localhost:8080",
+]
+
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=origins,
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+
+@app.post("/token", response_model=Token)
+async def login(form_data: OAuth2PasswordRequestForm = Depends()):
+    """Login endpoint to get access token."""
+    user = authenticate_user(fake_users_db, form_data.username, form_data.password)
+    if not user:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Incorrect username or password",
+            headers={"WWW-Authenticate": "Bearer"},
+        )
+    access_token_expires = timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
+    access_token = create_access_token(
+        data={"sub": user.username}, expires_delta=access_token_expires
+    )
+    return {"access_token": access_token, "token_type": "bearer"}
+
+
+@app.get("/users/me", response_model=User)
+async def read_users_me(current_user: User = Depends(get_current_active_user)):
+    """Get current user information."""
+    return current_user
+
+
+@app.get("/protected")
+async def protected_route(current_user: User = Depends(get_current_active_user)):
+    """Example protected route."""
+    return {"message": f"Hello {current_user.username}, this is a protected route!"}
+
+
+@app.get("/")
+async def root():
+    """Root endpoint."""
+    return {"message": "Trading Agents API with OAuth2"}
+
+
+@app.get("/health")
+async def health_check():
+    """Health check endpoint."""
+    return {"status": "healthy"}
\ No newline at end of file
diff --git a/api/web/auth_utils.py b/api/web/auth_utils.py
new file mode 100644
index 00000000..b875a46f
--- /dev/null
+++ b/api/web/auth_utils.py
@@ -0,0 +1,87 @@
+from datetime import datetime, timedelta
+from typing import Optional
+from fastapi import Depends, HTTPException, status
+from fastapi.security import OAuth2PasswordBearer
+from jose import JWTError, jwt
+from passlib.context import CryptContext
+from users import UserInDB, TokenData, fake_users_db
+
+
+# Configuration
+SECRET_KEY = "your-secret-key-here-change-in-production"
+ALGORITHM = "HS256"
+ACCESS_TOKEN_EXPIRE_MINUTES = 30
+
+# Password hashing
+pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
+
+# OAuth2 scheme
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token")
+
+
+def verify_password(plain_password: str, hashed_password: str) -> bool:
+    """Verify a plain password against its hash."""
+    return pwd_context.verify(plain_password, hashed_password)
+
+
+def get_password_hash(password: str) -> str:
+    """Hash a password."""
+    return pwd_context.hash(password)
+
+
+def get_user(db: dict, username: str) -> Optional[UserInDB]:
+    """Get a user from the database."""
+    if username in db:
+        user_dict = db[username]
+        return UserInDB(**user_dict)
+    return None
+
+
+def authenticate_user(fake_db: dict, username: str, password: str) -> Optional[UserInDB]:
+    """Authenticate a user."""
+    user = get_user(fake_db, username)
+    if not user:
+        return None
+    if not verify_password(password, user.hashed_password):
+        return None
+    return user
+
+
+def create_access_token(data: dict, expires_delta: Optional[timedelta] = None) -> str:
+    """Create a JWT access token."""
+    to_encode = data.copy()
+    if expires_delta:
+        expire = datetime.utcnow() + expires_delta
+    else:
+        expire = datetime.utcnow() + timedelta(minutes=15)
+    to_encode.update({"exp": expire})
+    encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
+    return encoded_jwt
+
+
+async def get_current_user(token: str = Depends(oauth2_scheme)) -> UserInDB:
+    """Get the current authenticated user from JWT token."""
+    credentials_exception = HTTPException(
+        status_code=status.HTTP_401_UNAUTHORIZED,
+        detail="Could not validate credentials",
+        headers={"WWW-Authenticate": "Bearer"},
+    )
+    try:
+        payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
+        username: str = payload.get("sub")
+        if username is None:
+            raise credentials_exception
+        token_data = TokenData(username=username)
+    except JWTError:
+        raise credentials_exception
+    user = get_user(fake_users_db, username=token_data.username)
+    if user is None:
+        raise credentials_exception
+    return user
+
+
+async def get_current_active_user(current_user: UserInDB = Depends(get_current_user)) -> UserInDB:
+    """Get the current active user."""
+    if current_user.disabled:
+        raise HTTPException(status_code=400, detail="Inactive user")
+    return current_user
\ No newline at end of file
diff --git a/api/web/requirements.txt b/api/web/requirements.txt
new file mode 100644
index 00000000..fbc5346a
--- /dev/null
+++ b/api/web/requirements.txt
@@ -0,0 +1,5 @@
+fastapi==0.104.1
+uvicorn[standard]==0.24.0
+python-jose[cryptography]==3.3.0
+passlib[bcrypt]==1.7.4
+python-multipart==0.0.6
\ No newline at end of file
diff --git a/api/web/start_webserver.sh b/api/web/start_webserver.sh
new file mode 100755
index 00000000..2aebd35a
--- /dev/null
+++ b/api/web/start_webserver.sh
@@ -0,0 +1,52 @@
+#!/bin/bash
+
+# Script to build and run the FastAPI web server using Docker
+
+# Set variables
+IMAGE_NAME="tradingagents-api-web"
+CONTAINER_NAME="tradingagents-api-web-container"
+PORT=8000
+
+# Colors for output
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+RED='\033[0;31m'
+NC='\033[0m' # No Color
+
+echo -e "${YELLOW}Building Docker image...${NC}"
+docker build -t ${IMAGE_NAME} .
+
+if [ $? -eq 0 ]; then
+    echo -e "${GREEN}Docker image built successfully!${NC}"
+else
+    echo -e "${RED}Failed to build Docker image${NC}"
+    exit 1
+fi
+
+# Stop and remove existing container if it exists
+echo -e "${YELLOW}Checking for existing container...${NC}"
+if [ "$(docker ps -aq -f name=${CONTAINER_NAME})" ]; then
+    echo -e "${YELLOW}Stopping and removing existing container...${NC}"
+    docker stop ${CONTAINER_NAME}
+    docker rm ${CONTAINER_NAME}
+fi
+
+# Run the container
+echo -e "${YELLOW}Starting container...${NC}"
+docker run -d \
+    --name ${CONTAINER_NAME} \
+    -p ${PORT}:8000 \
+    -e SECRET_KEY="${SECRET_KEY:-your-secret-key-here-change-in-production}" \
+    ${IMAGE_NAME}
+
+if [ $? -eq 0 ]; then
+    echo -e "${GREEN}Container started successfully!${NC}"
+    echo -e "${GREEN}API is available at: http://localhost:${PORT}${NC}"
+    echo -e "${GREEN}API documentation: http://localhost:${PORT}/docs${NC}"
+    echo ""
+    echo -e "${YELLOW}To view logs:${NC} docker logs -f ${CONTAINER_NAME}"
+    echo -e "${YELLOW}To stop:${NC} docker stop ${CONTAINER_NAME}"
+else
+    echo -e "${RED}Failed to start container${NC}"
+    exit 1
+fi
\ No newline at end of file
diff --git a/api/web/test_api.sh b/api/web/test_api.sh
new file mode 100755
index 00000000..e2c22a96
--- /dev/null
+++ b/api/web/test_api.sh
@@ -0,0 +1,96 @@
+#!/bin/bash
+
+# Test commands for the Trading Agents API
+
+# Colors for output
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+RED='\033[0;31m'
+BLUE='\033[0;34m'
+NC='\033[0m' # No Color
+
+API_URL="http://localhost:8000"
+
+echo -e "${BLUE}=== Trading Agents API Test Commands ===${NC}\n"
+
+# 1. Health check
+echo -e "${YELLOW}1. Health Check:${NC}"
+echo "curl -X GET ${API_URL}/health"
+echo -e "${GREEN}Expected: {\"status\":\"healthy\"}${NC}\n"
+
+# 2. Root endpoint
+echo -e "${YELLOW}2. Root Endpoint:${NC}"
+echo "curl -X GET ${API_URL}/"
+echo -e "${GREEN}Expected: {\"message\":\"Trading Agents API with OAuth2\"}${NC}\n"
+
+# 3. Get token (login)
+echo -e "${YELLOW}3. Login (Get Access Token):${NC}"
+echo "curl -X POST ${API_URL}/token \\"
+echo "  -H \"Content-Type: application/x-www-form-urlencoded\" \\"
+echo "  -d \"username=testuser&password=secret\""
+echo -e "${GREEN}Expected: {\"access_token\":\"<token>\",\"token_type\":\"bearer\"}${NC}\n"
+
+# 4. Access protected endpoint without token (should fail)
+echo -e "${YELLOW}4. Access Protected Route (No Token - Should Fail):${NC}"
+echo "curl -X GET ${API_URL}/protected"
+echo -e "${RED}Expected: 401 Unauthorized${NC}\n"
+
+# 5. Access protected endpoint with token
+echo -e "${YELLOW}5. Access Protected Route (With Token):${NC}"
+echo "# First get the token:"
+echo "TOKEN=\$(curl -s -X POST ${API_URL}/token \\"
+echo "  -H \"Content-Type: application/x-www-form-urlencoded\" \\"
+echo "  -d \"username=testuser&password=secret\" | jq -r '.access_token')"
+echo ""
+echo "# Then use it:"
+echo "curl -X GET ${API_URL}/protected \\"
+echo "  -H \"Authorization: Bearer \$TOKEN\""
+echo -e "${GREEN}Expected: {\"message\":\"Hello testuser, this is a protected route!\"}${NC}\n"
+
+# 6. Get current user info
+echo -e "${YELLOW}6. Get Current User Info:${NC}"
+echo "curl -X GET ${API_URL}/users/me \\"
+echo "  -H \"Authorization: Bearer \$TOKEN\""
+echo -e "${GREEN}Expected: User information JSON${NC}\n"
+
+# 7. View API documentation
+echo -e "${YELLOW}7. API Documentation:${NC}"
+echo "Open in browser: ${API_URL}/docs"
+echo "or"
+echo "curl -X GET ${API_URL}/openapi.json | jq ."
+echo ""
+
+# One-liner test script
+echo -e "${BLUE}=== Quick Test Script ===${NC}"
+echo -e "${YELLOW}Run this to test all endpoints:${NC}\n"
+cat << 'EOF'
+#!/bin/bash
+API_URL="http://localhost:8000"
+
+# Test health
+echo "Testing health endpoint..."
+curl -s ${API_URL}/health | jq .
+
+# Get token
+echo -e "\nGetting access token..."
+TOKEN=$(curl -s -X POST ${API_URL}/token \
+  -H "Content-Type: application/x-www-form-urlencoded" \
+  -d "username=testuser&password=secret" | jq -r '.access_token')
+
+if [ -z "$TOKEN" ] || [ "$TOKEN" = "null" ]; then
+    echo "Failed to get token!"
+    exit 1
+fi
+
+echo "Token obtained successfully!"
+
+# Test protected endpoint
+echo -e "\nTesting protected endpoint..."
+curl -s -X GET ${API_URL}/protected \
+  -H "Authorization: Bearer $TOKEN" | jq .
+
+# Get user info
+echo -e "\nGetting user info..."
+curl -s -X GET ${API_URL}/users/me \
+  -H "Authorization: Bearer $TOKEN" | jq .
+EOF
\ No newline at end of file
diff --git a/api/web/users.py b/api/web/users.py
new file mode 100644
index 00000000..9407fc4e
--- /dev/null
+++ b/api/web/users.py
@@ -0,0 +1,34 @@
+from typing import Optional
+from pydantic import BaseModel
+
+
+class Token(BaseModel):
+    access_token: str
+    token_type: str
+
+
+class TokenData(BaseModel):
+    username: Optional[str] = None
+
+
+class User(BaseModel):
+    username: str
+    email: Optional[str] = None
+    full_name: Optional[str] = None
+    disabled: Optional[bool] = None
+
+
+class UserInDB(User):
+    hashed_password: str
+
+
+# Fake database for demonstration
+fake_users_db = {
+    "testuser": {
+        "username": "testuser",
+        "full_name": "Test User",
+        "email": "test@example.com",
+        "hashed_password": "$2b$12$EixZaYVK1fsbw1ZfbX3OXePaWxn96p36WQoeG6Lruj3vjPGga31lW",  # secret
+        "disabled": False,
+    }
+}
\ No newline at end of file