added google-cloud-storage package, added gcs related functions

backend/open_webui/config.py

@@ -582,13 +582,16 @@ if CUSTOM_NAME:
 ####################################
 
 STORAGE_PROVIDER = os.environ.get("STORAGE_PROVIDER", "local")  # defaults to local, s3
-
+print(f"storage provider: {STORAGE_PROVIDER}")
 S3_ACCESS_KEY_ID = os.environ.get("S3_ACCESS_KEY_ID", None)
 S3_SECRET_ACCESS_KEY = os.environ.get("S3_SECRET_ACCESS_KEY", None)
 S3_REGION_NAME = os.environ.get("S3_REGION_NAME", None)
 S3_BUCKET_NAME = os.environ.get("S3_BUCKET_NAME", None)
 S3_ENDPOINT_URL = os.environ.get("S3_ENDPOINT_URL", None)
 
+GCS_PROJECT_ID = os.environ.get("GCS_PROJECT_ID", None)
+GCS_BUCKET_NAME = os.environ.get("GCS_BUCKET_NAME", FileNotFoundError)
+
 ####################################
 # File Upload DIR
 ####################################

backend/open_webui/storage/provider.py

@@ -11,10 +11,13 @@ from open_webui.config import (
     S3_ENDPOINT_URL,
     S3_REGION_NAME,
     S3_SECRET_ACCESS_KEY,
+    GCS_PROJECT_ID, 
+    GCS_BUCKET_NAME,
     STORAGE_PROVIDER,
     UPLOAD_DIR,
 )
 from google.cloud import storage
+from google.cloud.exceptions import GoogleCloudError, NotFound
 from open_webui.constants import ERROR_MESSAGES
 
 
@@ -140,18 +143,71 @@ class S3StorageProvider(StorageProvider):
 
 class GCSStorageProvider(StorageProvider):
     def __init__(self):
-        self.gcs_client = storage.Client()
-        self.bucket_name = GCS_BUCKET_NAME
+        self.gcs_client = storage.Client(project=GCS_PROJECT_ID)
+        self.bucket_name = self.gcs_client.bucket(GCS_BUCKET_NAME)
     
+    def upload_file(self, file: BinaryIO, filename: str):
+        """Handles uploading of the file to GCS storage."""
+        contents, _ = LocalStorageProvider.upload_file(file, filename)
+        try:
+            # Get the blob (object in the bucket)
+            blob = self.bucket_name.blob(filename)
+            # Upload the file to the bucket
+            blob.upload_from_file(BytesIO(contents))
+            print("file successfully uploaded")
+        except GoogleCloudError as e:
+            raise RuntimeError(f"Error uploading file to GCS: {e}")
+
+    def get_file(self, file_path:str) -> str:
+        """Handles downloading of the file from GCS storage."""
+        try:
+            local_file_path = f"{UPLOAD_DIR}/{file_path}"
+            # Get the blob (object in the bucket)
+            blob = self.bucket_name.blob(file_path)
+            # Download the file to a local destination
+            blob.download_to_filename(local_file_path)
+        except NotFound as e:
+            raise RuntimeError(f"Error downloading file from GCS: {e}")
+    
+    def delete_file(self, file_path:str) -> None:
+        """Handles deletion of the file from GCS storage."""
+        try:
+            # Get the blob (object in the bucket)
+            blob = self.bucket_name.blob(file_path)
+
+            # Delete the file
+            blob.delete()
+        except NotFound as e:
+            raise RuntimeError(f"Error deleting file from GCS: {e}")
+        
+        # Always delete from local storage
+        LocalStorageProvider.delete_file(file_path)
+
+    def delete_all_files(self) -> None:
+        """Handles deletion of all files from GCS storage."""
+        try:
+            # List all objects in the bucket
+            blobs = self.bucket_name.list_blobs()
+
+            # Delete all files
+            for blob in blobs:
+                blob.delete()
+
+        except NotFound as e:
+            raise RuntimeError(f"Error deleting all files from GCS: {e}")
+        
+        # Always delete from local storage
+        LocalStorageProvider.delete_all_files()
 
 def get_storage_provider(storage_provider: str):
     if storage_provider == "local":
         Storage = LocalStorageProvider()
     elif storage_provider == "s3":
         Storage = S3StorageProvider()
+    elif storage_provider == "gcs":
+        Storage = GCSStorageProvider()
     else:
         raise RuntimeError(f"Unsupported storage provider: {storage_provider}")
     return Storage
 
-
 Storage = get_storage_provider(STORAGE_PROVIDER)

pyproject.toml

@@ -10,20 +10,16 @@ dependencies = [
     "uvicorn[standard]==0.30.6",
     "pydantic==2.9.2",
     "python-multipart==0.0.18",
-
     "Flask==3.1.0",
     "Flask-Cors==5.0.0",
-
     "python-socketio==5.11.3",
     "python-jose==3.3.0",
     "passlib[bcrypt]==1.7.4",
-
     "requests==2.32.3",
     "aiohttp==3.11.8",
     "async-timeout",
     "aiocache",
     "aiofiles",
-
     "sqlalchemy==2.0.32",
     "alembic==1.14.0",
     "peewee==3.17.8",
@@ -32,33 +28,26 @@ dependencies = [
     "pgvector==0.3.5",
     "PyMySQL==1.1.1",
     "bcrypt==4.2.0",
-
     "pymongo",
     "redis",
     "boto3==1.35.53",
-
     "argon2-cffi==23.1.0",
     "APScheduler==3.10.4",
-
     "openai",
     "anthropic",
     "google-generativeai==0.7.2",
     "tiktoken",
-
     "langchain==0.3.7",
     "langchain-community==0.3.7",
-
     "fake-useragent==1.5.1",
     "chromadb==0.6.2",
     "pymilvus==2.5.0",
     "qdrant-client~=1.12.0",
     "opensearch-py==2.7.1",
-
     "transformers",
     "sentence-transformers==3.3.1",
     "colbert-ai==0.2.21",
     "einops==0.8.0",
-
     "ftfy==6.2.3",
     "pypdf==4.3.1",
     "fpdf2==2.8.2",
@@ -77,33 +66,26 @@ dependencies = [
     "psutil",
     "sentencepiece",
     "soundfile==0.12.1",
-
     "opencv-python-headless==4.10.0.84",
     "rapidocr-onnxruntime==1.3.24",
     "rank-bm25==0.2.2",
-
     "faster-whisper==1.0.3",
-
     "PyJWT[crypto]==2.10.1",
     "authlib==1.3.2",
-
     "black==24.8.0",
     "langfuse==2.44.0",
     "youtube-transcript-api==0.6.3",
     "pytube==15.0.0",
-
     "extract_msg",
     "pydub",
     "duckduckgo-search~=6.3.5",
-
     "docker~=7.1.0",
     "pytest~=8.3.2",
     "pytest-docker~=3.1.1",
     "moto[s3]>=5.0.26",
-
     "googleapis-common-protos==1.63.2",
-
-    "ldap3==2.9.1"
+    "ldap3==2.9.1",
+    "google-cloud-storage>=2.19.0",
 ]
 readme = "README.md"
 requires-python = ">= 3.11, < 3.13.0a1"