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import os
import sys
import uvicorn
from fastapi import FastAPI, Depends, Request
from fastapi.responses import JSONResponse
from fastapi_jwt_auth import AuthJWT
from fastapi_jwt_auth.exceptions import AuthJWTException
from fastapi.middleware.cors import CORSMiddleware
from pydantic import BaseModel
from index import CouchIindex
import time
from db import DictDB
import requests
app = FastAPI()
app.add_middleware(
CORSMiddleware,
allow_origins=["http://localhost:8001"],
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
expose_headers=["X-Total-Count"],
)
# TODO: X-Total-Count
@app.middleware("http")
async def mock_x_total_count_header(request: Request, call_next):
response = await call_next(request)
response.headers["X-Total-Count"] = "100"
return response
for i in range(10):
try:
db = DictDB()
except requests.exceptions.ConnectionError:
print(f'Database not responding, will try again soon.' +
'Attempt {i + 1} of 10.')
else:
break
time.sleep(10)
else:
print('Database did not respond after 10 attempts, quitting.')
sys.exit(-1)
def get_pubkey():
try:
if 'JWT_PUBKEY_PATH' in os.environ:
keypath = os.environ['JWT_PUBKEY_PATH']
else:
keypath = '/opt/certs/public.pem'
with open(keypath, "r") as fd:
pubkey = fd.read()
except FileNotFoundError:
print(f"Could not find JWT certificate in {keypath}")
sys.exit(-1)
return pubkey
def get_data(key=None, limit=25, skip=0, ip=None,
port=None, asn=None, domain=None):
if key:
return db.get(key)
selectors = dict()
indexes = CouchIindex().dict()
selectors['domain'] = domain
if ip and 'ip' in indexes:
selectors['ip'] = ip
if port and 'port' in indexes:
selectors['port'] = port
if asn and 'asn' in indexes:
selectors['asn'] = asn
data = db.search(**selectors, limit=limit, skip=skip)
return data
class JWTConfig(BaseModel):
authjwt_algorithm: str = "ES256"
authjwt_public_key: str = get_pubkey()
@AuthJWT.load_config
def jwt_config():
return JWTConfig()
@app.exception_handler(AuthJWTException)
def authjwt_exception_handler(request: Request, exc: AuthJWTException):
return JSONResponse(content={"status": "error", "message":
exc.message}, status_code=400)
@app.exception_handler(RuntimeError)
def app_exception_handler(request: Request, exc: RuntimeError):
return JSONResponse(content={"status": "error", "message":
str(exc.with_traceback(None))},
status_code=400)
@app.get('/sc/v0/get')
async def get(key=None, limit=25, skip=0, ip=None, port=None,
asn=None, Authorize: AuthJWT = Depends()):
Authorize.jwt_required()
data = []
raw_jwt = Authorize.get_raw_jwt()
if "read" not in raw_jwt:
return JSONResponse(
content={
"status": "error",
"message": "Could not find read claim in JWT token",
},
status_code=400,
)
else:
domains = raw_jwt["read"]
for domain in domains:
data.extend(get_data(key, limit, skip, ip, port, asn, domain))
return JSONResponse(content={"status": "success", "docs": data})
@app.get('/sc/v0/get/{key}')
async def get_key(key=None, Authorize: AuthJWT = Depends()):
Authorize.jwt_required()
raw_jwt = Authorize.get_raw_jwt()
if "read" not in raw_jwt:
return JSONResponse(
content={
"status": "error",
"message": "Could not find read claim in JWT token",
},
status_code=400,
)
else:
allowed_domains = raw_jwt["read"]
data = get_data(key)
if data["domain"] not in allowed_domains:
return JSONResponse(
content={
"status": "error",
"message": "User not authorized to view this object",
},
status_code=400,
)
return JSONResponse(content={"status": "success", "docs": data})
@app.post('/sc/v0/add')
async def add(data: Request, Authorize: AuthJWT = Depends()):
# Maybe we should protect this enpoint too and let the scanner use
# a JWT token as well.
# Authorize.jwt_required()
json_data = await data.json()
key = db.add(json_data)
return JSONResponse(content={"status": "success", "docs": key})
@app.delete('/sc/v0/delete/{key}')
async def delete(key, Authorize: AuthJWT = Depends()):
Authorize.jwt_required()
raw_jwt = Authorize.get_raw_jwt()
if "write" not in raw_jwt:
return JSONResponse(
content={
"status": "error",
"message": "Could not find write claim in JWT token",
},
status_code=400,
)
else:
allowed_domains = raw_jwt["write"]
data = get_data(key)
if data["domain"] not in allowed_domains:
return JSONResponse(
content={
"status": "error",
"message": "User not authorized to delete this object",
},
status_code=400,
)
if db.delete(key) is None:
return JSONResponse(content={"status": "error",
"message": "Document not found"},
status_code=400)
return JSONResponse(content={"status": "success", "docs": data})
def main(standalone=False):
if not standalone:
return app
uvicorn.run(app, host="0.0.0.0", port=8000, log_level="debug")
if __name__ == '__main__':
main(standalone=True)
else:
app = main()
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