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Added servers protection using an API key to restrict access to only authenticated entities.

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This commit is contained in:
Saifeddine ALOUI
2025-01-04 02:21:37 +01:00
parent f52982d5cf
commit 518a8a726a
5 changed files with 292 additions and 45 deletions
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5
README.md
View File

@@ -1025,6 +1025,7 @@ Each server has its own specific configuration options:
| --max-embed-tokens | 8192 | Maximum embedding token size |
| --input-file | ./book.txt | Initial input file |
| --log-level | INFO | Logging level |
| --key | none | Access Key to protect the lightrag service |
#### Ollama Server Options
@@ -1042,6 +1043,7 @@ Each server has its own specific configuration options:
| --max-embed-tokens | 8192 | Maximum embedding token size |
| --input-file | ./book.txt | Initial input file |
| --log-level | INFO | Logging level |
| --key | none | Access Key to protect the lightrag service |
#### OpenAI Server Options
@@ -1056,6 +1058,7 @@ Each server has its own specific configuration options:
| --max-embed-tokens | 8192 | Maximum embedding token size |
| --input-dir | ./inputs | Input directory for documents |
| --log-level | INFO | Logging level |
| --key | none | Access Key to protect the lightrag service |
#### OpenAI AZURE Server Options
@@ -1071,8 +1074,10 @@ Each server has its own specific configuration options:
| --input-dir | ./inputs | Input directory for documents |
| --enable-cache | True | Enable response cache |
| --log-level | INFO | Logging level |
| --key | none | Access Key to protect the lightrag service |
For protecting the server using an authentication key, you can also use an environment variable named `LIGHTRAG_API_KEY`.
### Example Usage
#### LoLLMs RAG Server

83
lightrag/api/azure_openai_lightrag_server.py
View File

@@ -20,6 +20,19 @@ from dotenv import load_dotenv
import inspect
import json
from fastapi.responses import StreamingResponse
from fastapi import FastAPI, HTTPException
import os
from typing import Optional
from fastapi import FastAPI, Depends, HTTPException, Security
from fastapi.security import APIKeyHeader
import os
import argparse
from typing import Optional
from fastapi.middleware.cors import CORSMiddleware
from starlette.status import HTTP_403_FORBIDDEN
from fastapi import HTTPException
load_dotenv()
@@ -93,6 +106,9 @@ def parse_args():
help="Logging level (default: INFO)",
)
parser.add_argument('--key', type=str, help='API key for authentication. This protects lightrag server against unauthorized access', default=None)
return parser.parse_args()
@@ -154,6 +170,31 @@ class InsertResponse(BaseModel):
message: str
document_count: int
def get_api_key_dependency(api_key: Optional[str]):
if not api_key:
# If no API key is configured, return a dummy dependency that always succeeds
async def no_auth():
return None
return no_auth
# If API key is configured, use proper authentication
api_key_header = APIKeyHeader(name="X-API-Key", auto_error=False)
async def api_key_auth(api_key_header_value: str | None = Security(api_key_header)):
if not api_key_header_value:
raise HTTPException(
status_code=HTTP_403_FORBIDDEN,
detail="API Key required"
)
if api_key_header_value != api_key:
raise HTTPException(
status_code=HTTP_403_FORBIDDEN,
detail="Invalid API Key"
)
return api_key_header_value
return api_key_auth
async def get_embedding_dim(embedding_model: str) -> int:
"""Get embedding dimensions for the specified model"""
@@ -168,11 +209,29 @@ def create_app(args):
format="%(levelname)s:%(message)s", level=getattr(logging, args.log_level)
)
# Initialize FastAPI app
# Check if API key is provided either through env var or args
api_key = os.getenv("LIGHTRAG_API_KEY") or args.key
# Initialize FastAPI
app = FastAPI(
title="LightRAG API",
description="API for querying text using LightRAG with OpenAI integration",
description="API for querying text using LightRAG with separate storage and input directories"+"(With authentication)" if api_key else "",
version="1.0.0",
openapi_tags=[{"name": "api"}]
)
# Add CORS middleware
app.add_middleware(
CORSMiddleware,
allow_origins=["*"],
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
)
# Create the optional API key dependency
optional_api_key = get_api_key_dependency(api_key)
# Create working directory if it doesn't exist
Path(args.working_dir).mkdir(parents=True, exist_ok=True)
@@ -239,7 +298,7 @@ def create_app(args):
except Exception as e:
logging.error(f"Error during startup indexing: {str(e)}")
@app.post("/documents/scan")
@app.post("/documents/scan", dependencies=[Depends(optional_api_key)])
async def scan_for_new_documents():
"""Manually trigger scanning for new documents"""
try:
@@ -264,7 +323,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.post("/resetcache")
@app.post("/resetcache", dependencies=[Depends(optional_api_key)])
async def reset_cache():
"""Manually reset cache"""
try:
@@ -276,7 +335,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.post("/documents/upload")
@app.post("/documents/upload", dependencies=[Depends(optional_api_key)])
async def upload_to_input_dir(file: UploadFile = File(...)):
"""Upload a file to the input directory"""
try:
@@ -304,7 +363,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.post("/query", response_model=QueryResponse)
@app.post("/query", response_model=QueryResponse, dependencies=[Depends(optional_api_key)])
async def query_text(request: QueryRequest):
try:
response = await rag.aquery(
@@ -319,7 +378,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.post("/query/stream")
@app.post("/query/stream", dependencies=[Depends(optional_api_key)])
async def query_text_stream(request: QueryRequest):
try:
response = await rag.aquery(
@@ -345,7 +404,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.post("/documents/text", response_model=InsertResponse)
@app.post("/documents/text", response_model=InsertResponse, dependencies=[Depends(optional_api_key)])
async def insert_text(request: InsertTextRequest):
try:
await rag.ainsert(request.text)
@@ -357,7 +416,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.post("/documents/file", response_model=InsertResponse)
@app.post("/documents/file", response_model=InsertResponse, dependencies=[Depends(optional_api_key)])
async def insert_file(file: UploadFile = File(...), description: str = Form(None)):
try:
content = await file.read()
@@ -381,7 +440,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.post("/documents/batch", response_model=InsertResponse)
@app.post("/documents/batch", response_model=InsertResponse, dependencies=[Depends(optional_api_key)])
async def insert_batch(files: List[UploadFile] = File(...)):
try:
inserted_count = 0
@@ -411,7 +470,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.delete("/documents", response_model=InsertResponse)
@app.delete("/documents", response_model=InsertResponse, dependencies=[Depends(optional_api_key)])
async def clear_documents():
try:
rag.text_chunks = []
@@ -425,7 +484,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.get("/health")
@app.get("/health", dependencies=[Depends(optional_api_key)])
async def get_status():
"""Get current system status"""
return {

79
lightrag/api/lollms_lightrag_server.py
View File

@@ -11,7 +11,19 @@ from pathlib import Path
import shutil
import aiofiles
from ascii_colors import trace_exception
from fastapi import FastAPI, HTTPException
import os
from typing import Optional
from fastapi import FastAPI, Depends, HTTPException, Security
from fastapi.security import APIKeyHeader
import os
import argparse
from typing import Optional
from fastapi.middleware.cors import CORSMiddleware
from starlette.status import HTTP_403_FORBIDDEN
from fastapi import HTTPException
def parse_args():
parser = argparse.ArgumentParser(
@@ -86,6 +98,9 @@ def parse_args():
help="Logging level (default: INFO)",
)
parser.add_argument('--key', type=str, help='API key for authentication. This protects lightrag server against unauthorized access', default=None)
return parser.parse_args()
@@ -147,6 +162,31 @@ class InsertResponse(BaseModel):
message: str
document_count: int
def get_api_key_dependency(api_key: Optional[str]):
if not api_key:
# If no API key is configured, return a dummy dependency that always succeeds
async def no_auth():
return None
return no_auth
# If API key is configured, use proper authentication
api_key_header = APIKeyHeader(name="X-API-Key", auto_error=False)
async def api_key_auth(api_key_header_value: str | None = Security(api_key_header)):
if not api_key_header_value:
raise HTTPException(
status_code=HTTP_403_FORBIDDEN,
detail="API Key required"
)
if api_key_header_value != api_key:
raise HTTPException(
status_code=HTTP_403_FORBIDDEN,
detail="Invalid API Key"
)
return api_key_header_value
return api_key_auth
def create_app(args):
# Setup logging
@@ -154,11 +194,28 @@ def create_app(args):
format="%(levelname)s:%(message)s", level=getattr(logging, args.log_level)
)
# Initialize FastAPI app
# Check if API key is provided either through env var or args
api_key = os.getenv("LIGHTRAG_API_KEY") or args.key
# Initialize FastAPI
app = FastAPI(
title="LightRAG API",
description="API for querying text using LightRAG with separate storage and input directories",
description="API for querying text using LightRAG with separate storage and input directories"+"(With authentication)" if api_key else "",
version="1.0.0",
openapi_tags=[{"name": "api"}]
)
# Add CORS middleware
app.add_middleware(
CORSMiddleware,
allow_origins=["*"],
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
)
# Create the optional API key dependency
optional_api_key = get_api_key_dependency(api_key)
# Create working directory if it doesn't exist
Path(args.working_dir).mkdir(parents=True, exist_ok=True)
@@ -209,7 +266,7 @@ def create_app(args):
except Exception as e:
logging.error(f"Error during startup indexing: {str(e)}")
@app.post("/documents/scan")
@app.post("/documents/scan", dependencies=[Depends(optional_api_key)])
async def scan_for_new_documents():
"""Manually trigger scanning for new documents"""
try:
@@ -234,7 +291,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.post("/documents/upload")
@app.post("/documents/upload", dependencies=[Depends(optional_api_key)])
async def upload_to_input_dir(file: UploadFile = File(...)):
"""Upload a file to the input directory"""
try:
@@ -262,7 +319,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.post("/query", response_model=QueryResponse)
@app.post("/query", response_model=QueryResponse, dependencies=[Depends(optional_api_key)])
async def query_text(request: QueryRequest):
try:
response = await rag.aquery(
@@ -284,7 +341,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.post("/query/stream")
@app.post("/query/stream", dependencies=[Depends(optional_api_key)])
async def query_text_stream(request: QueryRequest):
try:
response = rag.query(
@@ -304,7 +361,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.post("/documents/text", response_model=InsertResponse)
@app.post("/documents/text", response_model=InsertResponse, dependencies=[Depends(optional_api_key)])
async def insert_text(request: InsertTextRequest):
try:
rag.insert(request.text)
@@ -316,7 +373,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.post("/documents/file", response_model=InsertResponse)
@app.post("/documents/file", response_model=InsertResponse, dependencies=[Depends(optional_api_key)])
async def insert_file(file: UploadFile = File(...), description: str = Form(None)):
try:
content = await file.read()
@@ -340,7 +397,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.post("/documents/batch", response_model=InsertResponse)
@app.post("/documents/batch", response_model=InsertResponse, dependencies=[Depends(optional_api_key)])
async def insert_batch(files: List[UploadFile] = File(...)):
try:
inserted_count = 0
@@ -370,7 +427,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.delete("/documents", response_model=InsertResponse)
@app.delete("/documents", response_model=InsertResponse, dependencies=[Depends(optional_api_key)])
async def clear_documents():
try:
rag.text_chunks = []
@@ -384,7 +441,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.get("/health")
@app.get("/health", dependencies=[Depends(optional_api_key)])
async def get_status():
"""Get current system status"""
return {

79
lightrag/api/ollama_lightrag_server.py
View File

@@ -11,6 +11,19 @@ from pathlib import Path
import shutil
import aiofiles
from ascii_colors import trace_exception
from fastapi import FastAPI, HTTPException
import os
from typing import Optional
from fastapi import FastAPI, Depends, HTTPException, Security
from fastapi.security import APIKeyHeader
import os
import argparse
from typing import Optional
from fastapi.middleware.cors import CORSMiddleware
from starlette.status import HTTP_403_FORBIDDEN
from fastapi import HTTPException
def parse_args():
@@ -85,6 +98,7 @@ def parse_args():
choices=["DEBUG", "INFO", "WARNING", "ERROR", "CRITICAL"],
help="Logging level (default: INFO)",
)
parser.add_argument('--key', type=str, help='API key for authentication. This protects lightrag server against unauthorized access', default=None)
return parser.parse_args()
@@ -147,6 +161,31 @@ class InsertResponse(BaseModel):
message: str
document_count: int
def get_api_key_dependency(api_key: Optional[str]):
if not api_key:
# If no API key is configured, return a dummy dependency that always succeeds
async def no_auth():
return None
return no_auth
# If API key is configured, use proper authentication
api_key_header = APIKeyHeader(name="X-API-Key", auto_error=False)
async def api_key_auth(api_key_header_value: str | None = Security(api_key_header)):
if not api_key_header_value:
raise HTTPException(
status_code=HTTP_403_FORBIDDEN,
detail="API Key required"
)
if api_key_header_value != api_key:
raise HTTPException(
status_code=HTTP_403_FORBIDDEN,
detail="Invalid API Key"
)
return api_key_header_value
return api_key_auth
def create_app(args):
# Setup logging
@@ -154,11 +193,29 @@ def create_app(args):
format="%(levelname)s:%(message)s", level=getattr(logging, args.log_level)
)
# Initialize FastAPI app
# Check if API key is provided either through env var or args
api_key = os.getenv("LIGHTRAG_API_KEY") or args.key
# Initialize FastAPI
app = FastAPI(
title="LightRAG API",
description="API for querying text using LightRAG with separate storage and input directories",
description="API for querying text using LightRAG with separate storage and input directories"+"(With authentication)" if api_key else "",
version="1.0.0",
openapi_tags=[{"name": "api"}]
)
# Add CORS middleware
app.add_middleware(
CORSMiddleware,
allow_origins=["*"],
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
)
# Create the optional API key dependency
optional_api_key = get_api_key_dependency(api_key)
# Create working directory if it doesn't exist
Path(args.working_dir).mkdir(parents=True, exist_ok=True)
@@ -209,7 +266,7 @@ def create_app(args):
except Exception as e:
logging.error(f"Error during startup indexing: {str(e)}")
@app.post("/documents/scan")
@app.post("/documents/scan", dependencies=[Depends(optional_api_key)])
async def scan_for_new_documents():
"""Manually trigger scanning for new documents"""
try:
@@ -234,7 +291,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.post("/documents/upload")
@app.post("/documents/upload", dependencies=[Depends(optional_api_key)])
async def upload_to_input_dir(file: UploadFile = File(...)):
"""Upload a file to the input directory"""
try:
@@ -262,7 +319,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.post("/query", response_model=QueryResponse)
@app.post("/query", response_model=QueryResponse, dependencies=[Depends(optional_api_key)])
async def query_text(request: QueryRequest):
try:
response = await rag.aquery(
@@ -284,7 +341,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.post("/query/stream")
@app.post("/query/stream", dependencies=[Depends(optional_api_key)])
async def query_text_stream(request: QueryRequest):
try:
response = rag.query(
@@ -304,7 +361,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.post("/documents/text", response_model=InsertResponse)
@app.post("/documents/text", response_model=InsertResponse, dependencies=[Depends(optional_api_key)])
async def insert_text(request: InsertTextRequest):
try:
await rag.ainsert(request.text)
@@ -316,7 +373,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.post("/documents/file", response_model=InsertResponse)
@app.post("/documents/file", response_model=InsertResponse, dependencies=[Depends(optional_api_key)])
async def insert_file(file: UploadFile = File(...), description: str = Form(None)):
try:
content = await file.read()
@@ -340,7 +397,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.post("/documents/batch", response_model=InsertResponse)
@app.post("/documents/batch", response_model=InsertResponse, dependencies=[Depends(optional_api_key)])
async def insert_batch(files: List[UploadFile] = File(...)):
try:
inserted_count = 0
@@ -370,7 +427,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.delete("/documents", response_model=InsertResponse)
@app.delete("/documents", response_model=InsertResponse, dependencies=[Depends(optional_api_key)])
async def clear_documents():
try:
rag.text_chunks = []
@@ -384,7 +441,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.get("/health")
@app.get("/health", dependencies=[Depends(optional_api_key)])
async def get_status():
"""Get current system status"""
return {

91
lightrag/api/openai_lightrag_server.py
View File

@@ -14,6 +14,20 @@ import aiofiles
from ascii_colors import trace_exception
import nest_asyncio
from fastapi import FastAPI, HTTPException
import os
from typing import Optional
from fastapi import FastAPI, Depends, HTTPException, Security
from fastapi.security import APIKeyHeader
import os
import argparse
from typing import Optional
from fastapi.middleware.cors import CORSMiddleware
from starlette.status import HTTP_403_FORBIDDEN
from fastapi import HTTPException
# Apply nest_asyncio to solve event loop issues
nest_asyncio.apply()
@@ -75,6 +89,9 @@ def parse_args():
help="Logging level (default: INFO)",
)
parser.add_argument('--key', type=str, help='API key for authentication. This protects lightrag server against unauthorized access', default=None)
return parser.parse_args()
@@ -136,6 +153,31 @@ class InsertResponse(BaseModel):
message: str
document_count: int
def get_api_key_dependency(api_key: Optional[str]):
if not api_key:
# If no API key is configured, return a dummy dependency that always succeeds
async def no_auth():
return None
return no_auth
# If API key is configured, use proper authentication
api_key_header = APIKeyHeader(name="X-API-Key", auto_error=False)
async def api_key_auth(api_key_header_value: str | None = Security(api_key_header)):
if not api_key_header_value:
raise HTTPException(
status_code=HTTP_403_FORBIDDEN,
detail="API Key required"
)
if api_key_header_value != api_key:
raise HTTPException(
status_code=HTTP_403_FORBIDDEN,
detail="Invalid API Key"
)
return api_key_header_value
return api_key_auth
async def get_embedding_dim(embedding_model: str) -> int:
"""Get embedding dimensions for the specified model"""
@@ -150,10 +192,37 @@ def create_app(args):
format="%(levelname)s:%(message)s", level=getattr(logging, args.log_level)
)
# Initialize FastAPI app
# Check if API key is provided either through env var or args
api_key = os.getenv("LIGHTRAG_API_KEY") or args.key
# Initialize FastAPI
app = FastAPI(
title="LightRAG API",
description="API for querying text using LightRAG with OpenAI integration",
description="API for querying text using LightRAG with separate storage and input directories"+"(With authentication)" if api_key else "",
version="1.0.0",
openapi_tags=[{"name": "api"}]
)
# Add CORS middleware
app.add_middleware(
CORSMiddleware,
allow_origins=["*"],
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
)
# Create the optional API key dependency
optional_api_key = get_api_key_dependency(api_key)
# Add CORS middleware
app.add_middleware(
CORSMiddleware,
allow_origins=["*"],
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
)
# Create working directory if it doesn't exist
@@ -213,7 +282,7 @@ def create_app(args):
except Exception as e:
logging.error(f"Error during startup indexing: {str(e)}")
@app.post("/documents/scan")
@app.post("/documents/scan", dependencies=[Depends(optional_api_key)])
async def scan_for_new_documents():
"""Manually trigger scanning for new documents"""
try:
@@ -238,7 +307,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.post("/documents/upload")
@app.post("/documents/upload", dependencies=[Depends(optional_api_key)])
async def upload_to_input_dir(file: UploadFile = File(...)):
"""Upload a file to the input directory"""
try:
@@ -266,7 +335,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.post("/query", response_model=QueryResponse)
@app.post("/query", response_model=QueryResponse, dependencies=[Depends(optional_api_key)])
async def query_text(request: QueryRequest):
try:
response = await rag.aquery(
@@ -288,7 +357,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.post("/query/stream")
@app.post("/query/stream", dependencies=[Depends(optional_api_key)])
async def query_text_stream(request: QueryRequest):
try:
response = rag.query(
@@ -308,7 +377,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.post("/documents/text", response_model=InsertResponse)
@app.post("/documents/text", response_model=InsertResponse, dependencies=[Depends(optional_api_key)])
async def insert_text(request: InsertTextRequest):
try:
rag.insert(request.text)
@@ -320,7 +389,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.post("/documents/file", response_model=InsertResponse)
@app.post("/documents/file", response_model=InsertResponse, dependencies=[Depends(optional_api_key)])
async def insert_file(file: UploadFile = File(...), description: str = Form(None)):
try:
content = await file.read()
@@ -344,7 +413,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.post("/documents/batch", response_model=InsertResponse)
@app.post("/documents/batch", response_model=InsertResponse, dependencies=[Depends(optional_api_key)])
async def insert_batch(files: List[UploadFile] = File(...)):
try:
inserted_count = 0
@@ -374,7 +443,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.delete("/documents", response_model=InsertResponse)
@app.delete("/documents", response_model=InsertResponse, dependencies=[Depends(optional_api_key)])
async def clear_documents():
try:
rag.text_chunks = []
@@ -388,7 +457,7 @@ def create_app(args):
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.get("/health")
@app.get("/health", dependencies=[Depends(optional_api_key)])
async def get_status():
"""Get current system status"""
return {