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8afaf1e a6fe431 8afaf1e a6fe431 8afaf1e a6fe431 8afaf1e a6fe431 8afaf1e a6fe431 8afaf1e 2a7139e | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 | """
Main API server for LLM Deployment System.
This module implements the Flask API server that handles student requests,
task generation, and repository submissions.
"""
import time
import secrets
import threading
from datetime import datetime, timezone
from flask import Flask, request
from flask_cors import CORS
from flask_restx import Api, Resource, fields
from coreapp.database import db_manager, TaskStatus
from utils.logger import get_logger
from utils.task_generator import get_task_generator
from utils.github_utils import get_github_manager, GitHubUtils
from utils.config import config
logger = get_logger(__name__)
class APIServer:
"""Main API server class."""
def __init__(self):
self.app = Flask(__name__)
self.app.config['SECRET_KEY'] = config.SECRET_KEY
self.app.config['MAX_CONTENT_LENGTH'] = config.MAX_CONTENT_LENGTH
# Enable CORS
CORS(self.app, origins=config.CORS_ORIGINS)
# Initialize API with Swagger
self.api = Api(
self.app,
version='1.0',
title='LLM Deployment System API',
description='API for student task generation and repository evaluation',
doc='/docs'
)
# Rate limit store
self.rate_limits = {}
# Managers
self.task_generator = get_task_generator()
self.github_manager = None
if config.ENABLE_GITHUB_INTEGRATION:
try:
self.github_manager = get_github_manager()
except Exception as e:
logger.warning(f"Failed to initialize GitHub manager: {e}")
# Define models
self._define_models()
# Setup namespaces
self._setup_namespaces()
# Add root route for HF SDK
@self.app.route("/")
def index():
"""
Root route for Hugging Face SDK Docker deployment.
Returns basic info and link to Swagger docs.
Example GET:
curl http://localhost:$PORT/
"""
return "LLM Deployment API running. Use /api/request or /docs for Swagger UI."
# Start cleanup thread for rate limits
self.cleanup_rate_limits()
def _define_models(self):
"""Define API models for Swagger."""
self.models = {}
self.models['task_request'] = self.api.model('TaskRequest', {
'email': fields.String(required=True),
'secret': fields.String(required=True)
})
self.models['task_response'] = self.api.model('TaskResponse', {
'email': fields.String,
'task': fields.String,
'round': fields.Integer,
'nonce': fields.String,
'brief': fields.String,
'checks': fields.List(fields.String),
'attachments': fields.List(fields.Raw)
})
self.models['repo_submission'] = self.api.model('RepositorySubmission', {
'email': fields.String(required=True),
'task': fields.String(required=True),
'round': fields.Integer(required=True),
'nonce': fields.String(required=True),
'repo_url': fields.String(required=True),
'commit_sha': fields.String(required=True),
'pages_url': fields.String
})
self.models['repo_validation'] = self.api.model('RepositoryValidation', {
'repo_url': fields.String(required=True)
})
def _setup_namespaces(self):
"""Setup API namespaces and endpoints."""
validate_secret = self._validate_secret
check_rate_limit = self._check_rate_limit
task_generator = self.task_generator
github_manager = self.github_manager
api_models = self.models
# Health namespace
health_ns = self.api.namespace('health', description='Health check operations')
@health_ns.route('')
class HealthCheck(Resource):
def get(self):
"""
Returns health status.
Example GET:
curl http://localhost:$PORT/health
"""
return {
'status': 'healthy',
'timestamp': datetime.now(timezone.utc).isoformat(),
'version': '1.0.0'
}
# Main API namespace
api_ns = self.api.namespace('api', description='Main API operations')
@api_ns.route('/request')
class TaskRequest(Resource):
@api_ns.expect(api_models['task_request'])
@api_ns.response(200, 'Success', api_models['task_response'])
@api_ns.response(400, 'Bad Request')
@api_ns.response(401, 'Unauthorized')
@api_ns.response(429, 'Rate Limited')
def post(self):
"""
Generate a task for a student.
Example POST:
curl -X POST http://localhost:$PORT/api/request \
-H "Content-Type: application/json" \
-d '{"email":"test@example.com","secret":"12345678"}'
"""
data = request.get_json()
if not data:
return {'error': 'No JSON data provided'}, 400
email = data.get('email')
secret = data.get('secret')
if not email or not secret:
return {'error': 'Missing required fields'}, 400
if not validate_secret(email, secret):
return {'error': 'Invalid secret'}, 401
if not check_rate_limit(email):
return {'error': 'Rate limit exceeded'}, 429
try:
task = task_generator.generate_task(email)
task_data = {k: v for k, v in task.items() if k != 'evaluation_url'}
submission = db_manager.get_submission_by_email(email)
if not submission:
submission = db_manager.create_submission(
email=email,
endpoint=data.get('endpoint', ''),
secret=secret
)
db_task = db_manager.create_task(submission.id, task_data)
db_manager.update_task_status(db_task.task_id, TaskStatus.SENT)
response_data = {
'email': email,
'task': db_task.task_id,
'round': db_task.round,
'nonce': db_task.nonce,
'brief': db_task.brief,
'checks': db_task.checks,
'attachments': db_task.attachments
}
logger.info(f"Generated task {db_task.task_id} for {email}")
return response_data, 200
except Exception as e:
logger.exception(f"Failed to generate task for {email}")
return {'error': 'Failed to generate task'}, 500
@api_ns.route('/evaluate')
class RepositoryEvaluation(Resource):
@api_ns.expect(api_models['repo_submission'])
def post(self):
"""
Submit repository for evaluation.
Example POST:
curl -X POST http://localhost:$PORT/api/evaluate \
-H "Content-Type: application/json" \
-d '{"email":"test@example.com","task":"task_id","round":1,"nonce":"nonce_val","repo_url":"https://github.com/user/repo","commit_sha":"abc123"}'
"""
data = request.get_json()
if not data:
return {'error': 'No JSON data provided'}, 400
required_fields = ['email', 'task', 'round', 'nonce', 'repo_url', 'commit_sha']
for f in required_fields:
if f not in data:
return {'error': f'Missing required field: {f}'}, 400
task = db_manager.get_task_by_id(data['task'])
if not task:
return {'error': 'Invalid task ID'}, 400
if task.nonce != data['nonce']:
return {'error': 'Invalid nonce'}, 400
if task.status != TaskStatus.SENT:
return {'error': 'Task not in correct state'}, 400
db_manager.update_task_status(task.task_id, TaskStatus.RECEIVED)
repo_data = {
'repo_url': data['repo_url'],
'commit_sha': data['commit_sha'],
'pages_url': data.get('pages_url')
}
db_manager.create_repository(task.id, repo_data)
logger.info(f"Received repository submission for task {task.task_id}")
return {'status': 'received'}, 200
@api_ns.route('/validate-repo')
class RepositoryValidation(Resource):
@api_ns.expect(api_models['repo_validation'])
def post(self):
"""
Validate a GitHub repository URL.
Example POST:
curl -X POST http://localhost:$PORT/api/validate-repo \
-H "Content-Type: application/json" \
-d '{"repo_url":"https://github.com/user/repo"}'
"""
data = request.get_json()
if not data or 'repo_url' not in data:
return {'error': 'Missing repo_url'}, 400
repo_url = data['repo_url']
if not GitHubUtils.is_valid_github_url(repo_url):
return {'error': 'Invalid GitHub URL'}, 400
if not github_manager:
return {'error': 'GitHub integration not available'}, 503
validation = github_manager.validate_repository(repo_url)
return validation, 200
def _validate_secret(self, email: str, secret: str) -> bool:
try:
student = db_manager.get_submission_by_email(email)
if student and student.secret:
return secrets.compare_digest(student.secret, secret)
except Exception:
logger.exception('Error validating secret')
return bool(secret and len(secret) >= 8)
def _check_rate_limit(self, email: str) -> bool:
current_time = time.time()
window_start = current_time - 60
self.rate_limits = {k: v for k, v in self.rate_limits.items() if v['timestamp'] > window_start}
entry = self.rate_limits.get(email)
if entry:
if entry['count'] >= config.RATE_LIMIT_PER_MINUTE:
return False
entry['count'] += 1
entry['timestamp'] = current_time
else:
self.rate_limits[email] = {'count': 1, 'timestamp': current_time}
return True
def cleanup_rate_limits(self):
def cleanup():
while True:
time.sleep(300)
current_time = time.time()
window_start = current_time - 60
self.rate_limits = {k: v for k, v in self.rate_limits.items() if v['timestamp'] > window_start}
threading.Thread(target=cleanup, daemon=True).start()
def run(self, host=None, port=None, debug=None):
host = host or config.API_HOST
port = port or config.API_PORT
debug = debug if debug is not None else config.FLASK_DEBUG
logger.info(f"Starting API server on {host}:{port}")
self.app.run(host=host, port=port, debug=debug)
# Global API server instance
api_server = APIServer()
def create_app():
return api_server.app
if __name__ == '__main__':
import os
port = int(os.environ.get("PORT", 7860))
api_server.run(host="0.0.0.0", port=port)
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