Sharepoint (#2283)

* feat: add Microsoft Entra ID integration

- Updated .env-template and settings.py for Microsoft Entra ID configuration.
- Enhanced ConnectorsCallback to support SharePoint authentication.
- Introduced SharePointAuth and SharePointLoader classes.
- Added required dependencies in requirements.txt.

* feat: agent templates and seeding premade agents (#1910)

* feat: agent templates and seeding premade agents

* fix: ensure ObjectId is used for source reference in agent configuration

* fix: improve source handling in DatabaseSeeder and update tool config processing

* feat: add prompt handling in DatabaseSeeder for agent configuration

* Docs premade agents

* link to prescraped docs

* feat: add template agent retrieval and adopt agent functionality

* feat: simplify agent descriptions in premade_agents.yaml  added docs

---------

Co-authored-by: Pavel <pabin@yandex.ru>
Co-authored-by: Alex <a@tushynski.me>

* feat: add GitHub access token support and fix file content fetching logic (#2032)

* feat: add init for Share Point connector module

* chore(deps): bump mermaid from 11.6.0 to 11.12.0 in /frontend

Bumps [mermaid](https://github.com/mermaid-js/mermaid) from 11.6.0 to 11.12.0.
- [Release notes](https://github.com/mermaid-js/mermaid/releases)
- [Commits](https://github.com/mermaid-js/mermaid/compare/mermaid@11.6.0...mermaid@11.12.0)

---
updated-dependencies:
- dependency-name: mermaid
  dependency-version: 11.12.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* Feat: Notification section (#2033)

* Feature/Notification-section

* fix notification ui and add local storage variable to save the state

* add notification component to app.tsx

* refactor: remove MICROSOFT_REDIRECT_URI and update SharePointAuth to use CONNECTOR_REDIRECT_BASE_URI

* feat: Add button to cancel LLM response (#1978)

* feat: Add button to cancel LLM response
- Replace text area with cancel button when loading.
- Add useEffect to change elipsis in cancel button text.
- Add new SVG icon for cancel response.
- Button colors match Figma designs.

* fix: Cancel button UI matches new design
- Delete cancel-response svg.
- Change previous cancel button to match the new Figma design.
- Remove console log in handleCancel function.

* fix: Adjust cancel button rounding

* feat: Update UI for send button
- Add SendArrowIcon component, enables dynamic svg color changes
- Replace original icon
- Update colors and hover effects

* (fix:send-button) minor blink in transition

---------

Co-authored-by: Manish Madan <manishmadan321@gmail.com>

* feat: add SharePoint integration with session validation and UI components

* (feat:oneDrive) file loading for ingestion

* feat(oneDrive): shared user files

* (feat:oneDrive) rm shared file support, as sharedWithMe is degraded

* (feat:sharepoint) shared files for work msa

* (feat:sharepoint) retry on auth failure, decorator

* (fix) tests/ruff

* test: fix sharepoint loader expecting client id

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: Abhishek Malviya <abfeb8@gmail.com>
Co-authored-by: Siddhant Rai <47355538+siiddhantt@users.noreply.github.com>
Co-authored-by: Pavel <pabin@yandex.ru>
Co-authored-by: Alex <a@tushynski.me>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Mariam Saeed <69825646+Mariam-Saeed@users.noreply.github.com>
Co-authored-by: Rahul <rahulgithub96@gmail.com>

.env-template

@@ -12,4 +12,17 @@ EMBEDDINGS_KEY=
 OPENAI_API_BASE=
 OPENAI_API_VERSION=
 AZURE_DEPLOYMENT_NAME=
-AZURE_EMBEDDINGS_DEPLOYMENT_NAME=
+AZURE_EMBEDDINGS_DEPLOYMENT_NAME=
+
+#Azure AD Application (client) ID
+MICROSOFT_CLIENT_ID=your-azure-ad-client-id
+#Azure AD Application client secret
+MICROSOFT_CLIENT_SECRET=your-azure-ad-client-secret
+#Azure AD Tenant ID (or 'common' for multi-tenant)
+MICROSOFT_TENANT_ID=your-azure-ad-tenant-id
+#If you are using a Microsoft Entra ID tenant,
+#configure the AUTHORITY variable as
+#"https://login.microsoftonline.com/TENANT_GUID"
+#or "https://login.microsoftonline.com/contoso.onmicrosoft.com".
+#Alternatively, use "https://login.microsoftonline.com/common" for multi-tenant app.
+MICROSOFT_AUTHORITY=https://{tenantId}.ciamlogin.com/{tenantId}

application/agents/react_agent.py

@@ -235,4 +235,4 @@ class ReActAgent(BaseAgent):
             )
         except Exception as e:
             logger.error(f"Error extracting content: {e}")
-        return "".join(collected)
+        return "".join(collected)

application/api/connector/routes.py

@@ -146,20 +146,19 @@ class ConnectorsCallback(Resource):
                 session_token = str(uuid.uuid4())
 
                 try:
-                    credentials = auth.create_credentials_from_token_info(token_info)
-                    service = auth.build_drive_service(credentials)
-                    user_info = service.about().get(fields="user").execute()
-                    user_email = user_info.get('user', {}).get('emailAddress', 'Connected User')
+                    if provider == "google_drive":
+                        credentials = auth.create_credentials_from_token_info(token_info)
+                        service = auth.build_drive_service(credentials)
+                        user_info = service.about().get(fields="user").execute()
+                        user_email = user_info.get('user', {}).get('emailAddress', 'Connected User')
+                    else:
+                        user_email = token_info.get('user_info', {}).get('email', 'Connected User')
+
                 except Exception as e:
                     current_app.logger.warning(f"Could not get user info: {e}")
                     user_email = 'Connected User'
 
-                sanitized_token_info = {
-                    "access_token": token_info.get("access_token"),
-                    "refresh_token": token_info.get("refresh_token"),
-                    "token_uri": token_info.get("token_uri"),
-                    "expiry": token_info.get("expiry")
-                }
+                sanitized_token_info = auth.sanitize_token_info(token_info)
 
                 sessions_collection.find_one_and_update(
                     {"_id": ObjectId(state_object_id), "provider": provider},
@@ -201,12 +200,12 @@ class ConnectorsCallback(Resource):
 @connectors_ns.route("/api/connectors/files")
 class ConnectorFiles(Resource):
     @api.expect(api.model("ConnectorFilesModel", {
-        "provider": fields.String(required=True), 
-        "session_token": fields.String(required=True), 
-        "folder_id": fields.String(required=False), 
-        "limit": fields.Integer(required=False), 
+        "provider": fields.String(required=True),
+        "session_token": fields.String(required=True),
+        "folder_id": fields.String(required=False),
+        "limit": fields.Integer(required=False),
         "page_token": fields.String(required=False),
-        "search_query": fields.String(required=False)
+        "search_query": fields.String(required=False),
     }))
     @api.doc(description="List files from a connector provider (supports pagination and search)")
     def post(self):
@@ -214,11 +213,8 @@ class ConnectorFiles(Resource):
             data = request.get_json()
             provider = data.get('provider')
             session_token = data.get('session_token')
-            folder_id = data.get('folder_id')
             limit = data.get('limit', 10)
-            page_token = data.get('page_token')
-            search_query = data.get('search_query')
-            
+
             if not provider or not session_token:
                 return make_response(jsonify({"success": False, "error": "provider and session_token are required"}), 400)
 
@@ -231,15 +227,12 @@ class ConnectorFiles(Resource):
                 return make_response(jsonify({"success": False, "error": "Invalid or unauthorized session"}), 401)
 
             loader = ConnectorCreator.create_connector(provider, session_token)
+
+            generic_keys = {'provider', 'session_token'}
             input_config = {
-                'limit': limit,
-                'list_only': True,
-                'session_token': session_token,
-                'folder_id': folder_id,
-                'page_token': page_token
+                k: v for k, v in data.items() if k not in generic_keys
             }
-            if search_query:
-                input_config['search_query'] = search_query
+            input_config['list_only'] = True
                 
             documents = loader.load_data(input_config)
 
@@ -306,12 +299,7 @@ class ConnectorValidateSession(Resource):
             if is_expired and token_info.get('refresh_token'):
                 try:
                     refreshed_token_info = auth.refresh_access_token(token_info.get('refresh_token'))
-                    sanitized_token_info = {
-                    "access_token": refreshed_token_info.get("access_token"),
-                    "refresh_token": refreshed_token_info.get("refresh_token"),
-                    "token_uri": refreshed_token_info.get("token_uri"),
-                    "expiry": refreshed_token_info.get("expiry")
-                }    
+                    sanitized_token_info = auth.sanitize_token_info(refreshed_token_info)
                     sessions_collection.update_one(
                         {"session_token": session_token},
                         {"$set": {"token_info": sanitized_token_info}}
@@ -328,12 +316,18 @@ class ConnectorValidateSession(Resource):
                     "error": "Session token has expired. Please reconnect."
                 }), 401)
 
-            return make_response(jsonify({
+            _base_fields = {"access_token", "refresh_token", "token_uri", "expiry"}
+            provider_extras = {k: v for k, v in token_info.items() if k not in _base_fields}
+
+            response_data = {
                 "success": True,
                 "expired": False,
                 "user_email": session.get('user_email', 'Connected User'),
-                "access_token": token_info.get('access_token')
-            }), 200)
+                "access_token": token_info.get('access_token'),
+                **provider_extras,
+            }
+
+            return make_response(jsonify(response_data), 200)
         except Exception as e:
             current_app.logger.error(f"Error validating connector session: {e}", exc_info=True)
             return make_response(jsonify({"success": False, "error": "Failed to validate session"}), 500)

application/api/user/agents/routes.py

@@ -1412,4 +1412,4 @@ class RemoveSharedAgent(Resource):
             current_app.logger.error(f"Error removing shared agent: {err}")
             return make_response(
                 jsonify({"success": False, "message": "Server error"}), 500
-            )
+            )

application/core/settings.py

@@ -65,8 +65,14 @@ class Settings(BaseSettings):
         "http://127.0.0.1:7091/api/connectors/callback"  ##add redirect url as it is to your provider's console(gcp)
     )
 
+    # Microsoft Entra ID (Azure AD) integration
+    MICROSOFT_CLIENT_ID: Optional[str] = None  # Azure AD Application (client) ID
+    MICROSOFT_CLIENT_SECRET: Optional[str] = None  # Azure AD Application client secret
+    MICROSOFT_TENANT_ID: Optional[str] = "common"  # Azure AD Tenant ID (or 'common' for multi-tenant)
+    MICROSOFT_AUTHORITY: Optional[str] = None  # e.g., "https://login.microsoftonline.com/{tenant_id}"
+
     # GitHub source
-    GITHUB_ACCESS_TOKEN: Optional[str] = None  # PAT token with read repo access
+    GITHUB_ACCESS_TOKEN: Optional[str] = None # PAT token with read repo access
 
     # LLM Cache
     CACHE_REDIS_URL: str = "redis://localhost:6379/2"

application/parser/connectors/base.py

@@ -62,15 +62,26 @@ class BaseConnectorAuth(ABC):
     def is_token_expired(self, token_info: Dict[str, Any]) -> bool:
         """
         Check if a token is expired.
-        
+
         Args:
             token_info: Token information dictionary
-            
+
         Returns:
             True if token is expired, False otherwise
         """
         pass
 
+    def sanitize_token_info(self, token_info: Dict[str, Any], **extra_fields) -> Dict[str, Any]:
+        """Extract the fields safe to persist in the session store.
+        """
+        return {
+            "access_token": token_info.get("access_token"),
+            "refresh_token": token_info.get("refresh_token"),
+            "token_uri": token_info.get("token_uri"),
+            "expiry": token_info.get("expiry"),
+            **extra_fields,
+        }
+
 
 class BaseConnectorLoader(ABC):
     """

application/parser/connectors/connector_creator.py

@@ -1,5 +1,7 @@
 from application.parser.connectors.google_drive.loader import GoogleDriveLoader
 from application.parser.connectors.google_drive.auth import GoogleDriveAuth
+from application.parser.connectors.share_point.auth import SharePointAuth
+from application.parser.connectors.share_point.loader import SharePointLoader
 
 
 class ConnectorCreator:
@@ -12,10 +14,12 @@ class ConnectorCreator:
 
     connectors = {
         "google_drive": GoogleDriveLoader,
+        "share_point": SharePointLoader,
     }
 
     auth_providers = {
         "google_drive": GoogleDriveAuth,
+        "share_point": SharePointAuth,
     }
 
     @classmethod

application/parser/connectors/google_drive/auth.py

@@ -232,10 +232,6 @@ class GoogleDriveAuth(BaseConnectorAuth):
             if missing_fields:
                 raise ValueError(f"Missing required token fields: {missing_fields}")
 
-            if 'client_id' not in token_info:
-                token_info['client_id'] = settings.GOOGLE_CLIENT_ID
-            if 'client_secret' not in token_info:
-                token_info['client_secret'] = settings.GOOGLE_CLIENT_SECRET
             if 'token_uri' not in token_info:
                 token_info['token_uri'] = 'https://oauth2.googleapis.com/token'
 

application/parser/connectors/google_drive/loader.py

@@ -327,15 +327,10 @@ class GoogleDriveLoader(BaseConnectorLoader):
             content_bytes = file_io.getvalue()
 
             try:
-                content = content_bytes.decode('utf-8')
+                return content_bytes.decode('utf-8')
             except UnicodeDecodeError:
-                try:
-                    content = content_bytes.decode('latin-1')
-                except UnicodeDecodeError:
-                    logging.error(f"Could not decode file {file_id} as text")
-                    return None
-
-            return content
+                logging.error(f"Could not decode file {file_id} as text")
+                return None
 
         except HttpError as e:
             logging.error(f"HTTP error downloading file {file_id}: {e.resp.status} - {e.content}")

application/parser/connectors/share_point/__init__.py

@@ -0,0 +1,10 @@
+"""
+Share Point connector package for DocsGPT.
+
+This module provides authentication and document loading capabilities for Share Point.
+"""
+
+from .auth import SharePointAuth
+from .loader import SharePointLoader
+
+__all__ = ['SharePointAuth', 'SharePointLoader']

application/parser/connectors/share_point/auth.py

@@ -0,0 +1,152 @@
+import datetime
+import logging
+from typing import Optional, Dict, Any
+
+from msal import ConfidentialClientApplication
+
+from application.core.settings import settings
+from application.parser.connectors.base import BaseConnectorAuth
+
+logger = logging.getLogger(__name__)
+
+
+class SharePointAuth(BaseConnectorAuth):
+    """
+    Handles Microsoft OAuth 2.0 authentication for SharePoint/OneDrive.
+
+    Note: Files.Read scope allows access to files the user has granted access to,
+    similar to Google Drive's drive.file scope.
+    """
+
+    SCOPES = [
+        "Files.Read",
+        "Sites.Read.All",
+        "User.Read",
+    ]
+
+    def __init__(self):
+        self.client_id = settings.MICROSOFT_CLIENT_ID
+        self.client_secret = settings.MICROSOFT_CLIENT_SECRET
+
+        if not self.client_id:
+            raise ValueError(
+                "Microsoft OAuth credentials not configured. Please set MICROSOFT_CLIENT_ID in settings."
+            )
+        
+        if not self.client_secret:
+            raise ValueError(
+                "Microsoft OAuth credentials not configured. Please set MICROSOFT_CLIENT_SECRET in settings."
+            )
+
+        self.redirect_uri = settings.CONNECTOR_REDIRECT_BASE_URI
+        self.tenant_id = settings.MICROSOFT_TENANT_ID
+        self.authority = getattr(settings, "MICROSOFT_AUTHORITY", f"https://login.microsoftonline.com/{self.tenant_id}")
+
+        self.auth_app = ConfidentialClientApplication(
+            client_id=self.client_id,
+            client_credential=self.client_secret,
+            authority=self.authority
+        )
+
+    def get_authorization_url(self, state: Optional[str] = None) -> str:
+        return self.auth_app.get_authorization_request_url(
+            scopes=self.SCOPES, state=state, redirect_uri=self.redirect_uri
+        )
+
+    def exchange_code_for_tokens(self, authorization_code: str) -> Dict[str, Any]:
+        result = self.auth_app.acquire_token_by_authorization_code(
+            code=authorization_code,
+            scopes=self.SCOPES,
+            redirect_uri=self.redirect_uri
+        )
+
+        if "error" in result:
+            logger.error("Token exchange failed: %s", result.get("error_description"))
+            raise ValueError(f"Error acquiring token: {result.get('error_description')}")
+
+        return self.map_token_response(result)
+
+    def refresh_access_token(self, refresh_token: str) -> Dict[str, Any]:
+        result = self.auth_app.acquire_token_by_refresh_token(refresh_token=refresh_token, scopes=self.SCOPES)
+
+        if "error" in result:
+            logger.error("Token refresh failed: %s", result.get("error_description"))
+            raise ValueError(f"Error refreshing token: {result.get('error_description')}")
+
+        return self.map_token_response(result)
+
+    def get_token_info_from_session(self, session_token: str) -> Dict[str, Any]:
+        try:
+            from application.core.mongo_db import MongoDB
+            from application.core.settings import settings
+
+            mongo = MongoDB.get_client()
+            db = mongo[settings.MONGO_DB_NAME]
+
+            sessions_collection = db["connector_sessions"]
+            session = sessions_collection.find_one({"session_token": session_token})
+
+            if not session:
+                raise ValueError(f"Invalid session token: {session_token}")
+
+            if "token_info" not in session:
+                raise ValueError("Session missing token information")
+
+            token_info = session["token_info"]
+            if not token_info:
+                raise ValueError("Invalid token information")
+
+            required_fields = ["access_token", "refresh_token"]
+            missing_fields = [field for field in required_fields if field not in token_info or not token_info.get(field)]
+            if missing_fields:
+                raise ValueError(f"Missing required token fields: {missing_fields}")
+
+            if 'token_uri' not in token_info:
+                token_info['token_uri'] = f"https://login.microsoftonline.com/{settings.MICROSOFT_TENANT_ID}/oauth2/v2.0/token"
+
+            return token_info
+
+        except Exception as e:
+            logger.error("Failed to retrieve token from session: %s", e)
+            raise ValueError(f"Failed to retrieve SharePoint token information: {str(e)}")
+
+    def is_token_expired(self, token_info: Dict[str, Any]) -> bool:
+        if not token_info:
+            return True
+
+        expiry_timestamp = token_info.get("expiry")
+
+        if expiry_timestamp is None:
+            return True
+
+        current_timestamp = int(datetime.datetime.now().timestamp())
+        return (expiry_timestamp - current_timestamp) < 60
+
+    def sanitize_token_info(self, token_info: Dict[str, Any], **extra_fields) -> Dict[str, Any]:
+        return super().sanitize_token_info(
+            token_info,
+            allows_shared_content=token_info.get("allows_shared_content", False),
+            **extra_fields,
+        )
+
+    PERSONAL_ACCOUNT_TENANT_ID = "9188040d-6c67-4c5b-b112-36a304b66dad"
+
+    def _allows_shared_content(self, id_token_claims: Dict[str, Any]) -> bool:
+        """Return True when the account is a work/school tenant that can access SharePoint shared content."""
+        tid = id_token_claims.get("tid", "")
+        return bool(tid) and tid != self.PERSONAL_ACCOUNT_TENANT_ID
+
+    def map_token_response(self, result) -> Dict[str, Any]:
+        claims = result.get("id_token_claims", {})
+        return {
+            "access_token": result.get("access_token"),
+            "refresh_token": result.get("refresh_token"),
+            "token_uri": claims.get("iss"),
+            "scopes": result.get("scope"),
+            "expiry": claims.get("exp"),
+            "allows_shared_content": self._allows_shared_content(claims),
+            "user_info": {
+                "name": claims.get("name"),
+                "email": claims.get("preferred_username"),
+            },
+        }

application/parser/connectors/share_point/loader.py

@@ -0,0 +1,649 @@
+"""
+SharePoint/OneDrive loader for DocsGPT.
+Loads documents from SharePoint/OneDrive using Microsoft Graph API.
+"""
+
+import functools
+import logging
+import os
+from typing import List, Dict, Any, Optional, Tuple
+from urllib.parse import quote
+
+import requests
+
+from application.parser.connectors.base import BaseConnectorLoader
+from application.parser.connectors.share_point.auth import SharePointAuth
+from application.parser.schema.base import Document
+
+
+def _retry_on_auth_failure(func):
+    """Retry once after refreshing the access token on 401/403 responses."""
+    @functools.wraps(func)
+    def wrapper(self, *args, **kwargs):
+        try:
+            return func(self, *args, **kwargs)
+        except requests.exceptions.HTTPError as e:
+            if e.response is not None and e.response.status_code in (401, 403):
+                logging.info(f"Auth failure in {func.__name__}, refreshing token and retrying")
+                try:
+                    new_token_info = self.auth.refresh_access_token(self.refresh_token)
+                    self.access_token = new_token_info.get('access_token')
+                except Exception as refresh_error:
+                    raise ValueError(
+                        f"Authentication failed and could not be refreshed: {refresh_error}"
+                    ) from e
+                return func(self, *args, **kwargs)
+            raise
+    return wrapper
+
+
+class SharePointLoader(BaseConnectorLoader):
+
+    SUPPORTED_MIME_TYPES = {
+        'application/pdf': '.pdf',
+        'application/vnd.openxmlformats-officedocument.wordprocessingml.document': '.docx',
+        'application/vnd.openxmlformats-officedocument.presentationml.presentation': '.pptx',
+        'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet': '.xlsx',
+        'application/msword': '.doc',
+        'application/vnd.ms-powerpoint': '.ppt',
+        'application/vnd.ms-excel': '.xls',
+        'text/plain': '.txt',
+        'text/csv': '.csv',
+        'text/html': '.html',
+        'text/markdown': '.md',
+        'text/x-rst': '.rst',
+        'application/json': '.json',
+        'application/epub+zip': '.epub',
+        'application/rtf': '.rtf',
+        'image/jpeg': '.jpg',
+        'image/png': '.png',
+    }
+
+    EXTENSION_TO_MIME = {v: k for k, v in SUPPORTED_MIME_TYPES.items()}
+
+    GRAPH_API_BASE = "https://graph.microsoft.com/v1.0"
+
+    def __init__(self, session_token: str):
+        self.auth = SharePointAuth()
+        self.session_token = session_token
+
+        token_info = self.auth.get_token_info_from_session(session_token)
+        self.access_token = token_info.get('access_token')
+        self.refresh_token = token_info.get('refresh_token')
+        self.allows_shared_content = token_info.get('allows_shared_content', False)
+
+        if not self.access_token:
+            raise ValueError("No access token found in session")
+
+        self.next_page_token = None
+
+    def _get_headers(self) -> Dict[str, str]:
+        return {
+            'Authorization': f'Bearer {self.access_token}',
+            'Accept': 'application/json'
+        }
+
+    def _ensure_valid_token(self):
+        if not self.access_token:
+            raise ValueError("No access token available")
+
+        token_info = {'access_token': self.access_token, 'expiry': None}
+        if self.auth.is_token_expired(token_info):
+            logging.info("Token expired, attempting refresh")
+            try:
+                new_token_info = self.auth.refresh_access_token(self.refresh_token)
+                self.access_token = new_token_info.get('access_token')
+            except Exception:
+                raise ValueError("Failed to refresh access token")
+
+    def _get_item_url(self, item_ref: str) -> str:
+        if ':' in item_ref:
+            drive_id, item_id = item_ref.split(':', 1)
+            return f"{self.GRAPH_API_BASE}/drives/{drive_id}/items/{item_id}"
+        return f"{self.GRAPH_API_BASE}/me/drive/items/{item_ref}"
+
+    def _process_file(self, file_metadata: Dict[str, Any], load_content: bool = True) -> Optional[Document]:
+        try:
+            drive_item_id = file_metadata.get('id')
+            file_name = file_metadata.get('name', 'Unknown')
+            file_data = file_metadata.get('file', {})
+            mime_type = file_data.get('mimeType', 'application/octet-stream')
+
+            if mime_type not in self.SUPPORTED_MIME_TYPES:
+                logging.info(f"Skipping unsupported file type: {mime_type} for file {file_name}")
+                return None
+
+            doc_metadata = {
+                'file_name': file_name,
+                'mime_type': mime_type,
+                'size': file_metadata.get('size'),
+                'created_time': file_metadata.get('createdDateTime'),
+                'modified_time': file_metadata.get('lastModifiedDateTime'),
+                'source': 'share_point'
+            }
+
+            if not load_content:
+                return Document(
+                    text="",
+                    doc_id=drive_item_id,
+                    extra_info=doc_metadata
+                )
+
+            content = self._download_file_content(drive_item_id)
+            if content is None:
+                logging.warning(f"Could not load content for file {file_name} ({drive_item_id})")
+                return None
+
+            return Document(
+                text=content,
+                doc_id=drive_item_id,
+                extra_info=doc_metadata
+            )
+
+        except Exception as e:
+            logging.error(f"Error processing file: {e}")
+            return None
+
+    def load_data(self, inputs: Dict[str, Any]) -> List[Document]:
+        try:
+            documents: List[Document] = []
+
+            folder_id = inputs.get('folder_id')
+            file_ids = inputs.get('file_ids', [])
+            limit = inputs.get('limit', 100)
+            list_only = inputs.get('list_only', False)
+            load_content = not list_only
+            page_token = inputs.get('page_token')
+            search_query = inputs.get('search_query')
+            self.next_page_token = None
+
+            shared = inputs.get('shared', False)
+
+            if file_ids:
+                for file_id in file_ids:
+                    try:
+                        doc = self._load_file_by_id(file_id, load_content=load_content)
+                        if doc:
+                            if not search_query or (
+                                search_query.lower() in doc.extra_info.get('file_name', '').lower()
+                            ):
+                                documents.append(doc)
+                    except Exception as e:
+                        logging.error(f"Error loading file {file_id}: {e}")
+                        continue
+            elif shared:
+                if not self.allows_shared_content:
+                    logging.warning("Shared content is only available for work/school Microsoft accounts")
+                    return []
+                documents = self._list_shared_items(
+                    limit=limit,
+                    load_content=load_content,
+                    page_token=page_token,
+                    search_query=search_query
+                )
+            else:
+                parent_id = folder_id if folder_id else 'root'
+                documents = self._list_items_in_parent(
+                    parent_id,
+                    limit=limit,
+                    load_content=load_content,
+                    page_token=page_token,
+                    search_query=search_query
+                )
+
+            logging.info(f"Loaded {len(documents)} documents from SharePoint/OneDrive")
+            return documents
+
+        except Exception as e:
+            logging.error(f"Error loading data from SharePoint/OneDrive: {e}", exc_info=True)
+            raise
+
+    @_retry_on_auth_failure
+    def _load_file_by_id(self, file_id: str, load_content: bool = True) -> Optional[Document]:
+        self._ensure_valid_token()
+
+        try:
+            url = self._get_item_url(file_id)
+            params = {'$select': 'id,name,file,createdDateTime,lastModifiedDateTime,size'}
+            response = requests.get(url, headers=self._get_headers(), params=params)
+            response.raise_for_status()
+
+            file_metadata = response.json()
+            return self._process_file(file_metadata, load_content=load_content)
+
+        except requests.exceptions.HTTPError:
+            raise
+        except Exception as e:
+            logging.error(f"Error loading file {file_id}: {e}")
+            return None
+
+    @_retry_on_auth_failure
+    def _list_items_in_parent(self, parent_id: str, limit: int = 100, load_content: bool = False, page_token: Optional[str] = None, search_query: Optional[str] = None) -> List[Document]:
+        self._ensure_valid_token()
+
+        documents: List[Document] = []
+
+        try:
+            url = f"{self._get_item_url(parent_id)}/children"
+            params = {'$top': min(100, limit) if limit else 100, '$select': 'id,name,file,folder,createdDateTime,lastModifiedDateTime,size'}
+            if page_token:
+                params['$skipToken'] = page_token
+
+            if search_query:
+                encoded_query = quote(search_query, safe='')
+                if ':' in parent_id:
+                    drive_id = parent_id.split(':', 1)[0]
+                    search_url = f"{self.GRAPH_API_BASE}/drives/{drive_id}/root/search(q='{encoded_query}')"
+                else:
+                    search_url = f"{self.GRAPH_API_BASE}/me/drive/search(q='{encoded_query}')"
+                response = requests.get(search_url, headers=self._get_headers(), params=params)
+            else:
+                response = requests.get(url, headers=self._get_headers(), params=params)
+
+            response.raise_for_status()
+
+            results = response.json()
+
+            items = results.get('value', [])
+            for item in items:
+                if 'folder' in item:
+                    doc_metadata = {
+                        'file_name': item.get('name', 'Unknown'),
+                        'mime_type': 'folder',
+                        'size': item.get('size'),
+                        'created_time': item.get('createdDateTime'),
+                        'modified_time': item.get('lastModifiedDateTime'),
+                        'source': 'share_point',
+                        'is_folder': True
+                    }
+                    documents.append(Document(text="", doc_id=item.get('id'), extra_info=doc_metadata))
+                else:
+                    doc = self._process_file(item, load_content=load_content)
+                    if doc:
+                        documents.append(doc)
+
+                if limit and len(documents) >= limit:
+                    break
+
+            next_link = results.get('@odata.nextLink')
+            if next_link:
+                from urllib.parse import urlparse, parse_qs
+                parsed = urlparse(next_link)
+                query_params = parse_qs(parsed.query)
+                skiptoken_list = query_params.get('$skiptoken')
+                if skiptoken_list:
+                    self.next_page_token = skiptoken_list[0]
+                else:
+                    self.next_page_token = None
+            else:
+                self.next_page_token = None
+            return documents
+
+        except Exception as e:
+            logging.error(f"Error listing items under parent {parent_id}: {e}")
+            return documents
+
+
+
+
+    def _resolve_mime_type(self, resource: Dict[str, Any]) -> Tuple[str, bool]:
+        """Resolve mime type from resource, falling back to file extension."""
+        file_data = resource.get('file', {})
+        mime_type = file_data.get('mimeType') if file_data else None
+
+        if mime_type and mime_type in self.SUPPORTED_MIME_TYPES:
+            return mime_type, True
+
+        name = resource.get('name', '')
+        ext = os.path.splitext(name)[1].lower()
+        if ext in self.EXTENSION_TO_MIME:
+            return self.EXTENSION_TO_MIME[ext], True
+
+        return mime_type or 'application/octet-stream', False
+
+    def _get_user_drive_web_url(self) -> Optional[str]:
+        """Fetch the current user's OneDrive web URL for KQL path exclusion."""
+        try:
+            response = requests.get(
+                f"{self.GRAPH_API_BASE}/me/drive",
+                headers=self._get_headers(),
+                params={'$select': 'webUrl'}
+            )
+            response.raise_for_status()
+            return response.json().get('webUrl')
+        except Exception as e:
+            logging.warning(f"Could not fetch user drive web URL: {e}")
+            return None
+
+    def _build_shared_kql_query(self, search_query: Optional[str], user_drive_url: Optional[str]) -> str:
+        """Build KQL query string that excludes the user's own drive items."""
+        base_query = search_query if search_query else "*"
+        if user_drive_url:
+            return f'{base_query} AND -path:"{user_drive_url}"'
+        return base_query
+
+    def _list_shared_items(self, limit: int = 100, load_content: bool = False, page_token: Optional[str] = None, search_query: Optional[str] = None) -> List[Document]:
+        """Fetch shared drive items using Microsoft Graph Search API with local offset paging.
+
+        We always fetch up to a fixed maximum number of hits from Graph (single request),
+        then page through that array locally using `page_token` as a simple integer offset.
+        This avoids relying on buggy or inconsistent remote `from`/`size` semantics.
+        """
+        self._ensure_valid_token()
+        documents: List[Document] = []
+
+        try:
+            user_drive_url = self._get_user_drive_web_url()
+            query_text = self._build_shared_kql_query(search_query, user_drive_url)
+
+            url = f"{self.GRAPH_API_BASE}/search/query"
+            page_size = 500  # maximum number of hits we care about for selection
+
+            body = {
+                "requests": [
+                    {
+                        "entityTypes": ["driveItem"],
+                        "query": {"queryString": query_text},
+                        "from": 0,
+                        "size": page_size,
+                    }
+                ]
+            }
+
+            headers = self._get_headers()
+            headers["Content-Type"] = "application/json"
+            response = requests.post(url, headers=headers, json=body)
+            response.raise_for_status()
+            results = response.json()
+
+            search_response = results.get("value", [])
+            if not search_response:
+                logging.warning("Search API returned empty value array")
+                self.next_page_token = None
+                return documents
+
+            hits_containers = search_response[0].get("hitsContainers", [])
+            if not hits_containers:
+                logging.warning("Search API returned no hitsContainers")
+                self.next_page_token = None
+                return documents
+
+            container = hits_containers[0]
+            total = container.get("total", 0)
+            raw_hits = container.get("hits", [])
+
+            # Deduplicate by effective item ID (driveId:itemId) to avoid the same
+            # resource appearing multiple times across the result set.
+            deduped_hits = []
+            seen_ids = set()
+            for hit in raw_hits:
+                resource = hit.get("resource", {})
+                item_id = resource.get("id")
+                drive_id = resource.get("parentReference", {}).get("driveId")
+                effective_id = f"{drive_id}:{item_id}" if drive_id and item_id else item_id
+                if not effective_id or effective_id in seen_ids:
+                    continue
+                seen_ids.add(effective_id)
+                deduped_hits.append(hit)
+
+            hits = deduped_hits
+            logging.info(
+                f"Search API returned {total} total results, {len(raw_hits)} raw hits, {len(hits)} unique hits in this batch"
+            )
+            try:
+                offset = int(page_token) if page_token is not None else 0
+            except (TypeError, ValueError):
+                logging.warning(
+                    f"Invalid page_token '{page_token}' for shared items search, defaulting to 0"
+                )
+                offset = 0
+
+            if offset < 0:
+                offset = 0
+            if offset >= len(hits):
+                self.next_page_token = None
+                return documents
+
+            end_index = offset + limit if limit else len(hits)
+            end_index = min(end_index, len(hits))
+
+            for hit in hits[offset:end_index]:
+                resource = hit.get("resource", {})
+                item_name = resource.get("name", "Unknown")
+                item_id = resource.get("id")
+                drive_id = resource.get("parentReference", {}).get("driveId")
+
+                effective_id = f"{drive_id}:{item_id}" if drive_id and item_id else item_id
+
+                is_folder = "folder" in resource
+
+                if is_folder:
+                    doc_metadata = {
+                        "file_name": item_name,
+                        "mime_type": "folder",
+                        "size": resource.get("size"),
+                        "created_time": resource.get("createdDateTime"),
+                        "modified_time": resource.get("lastModifiedDateTime"),
+                        "source": "share_point",
+                        "is_folder": True,
+                    }
+                    documents.append(
+                        Document(text="", doc_id=effective_id, extra_info=doc_metadata)
+                    )
+                else:
+                    mime_type, supported = self._resolve_mime_type(resource)
+                    if not supported:
+                        logging.info(
+                            f"Skipping unsupported shared file: {item_name} (mime: {mime_type})"
+                        )
+                        continue
+
+                    doc_metadata = {
+                        "file_name": item_name,
+                        "mime_type": mime_type,
+                        "size": resource.get("size"),
+                        "created_time": resource.get("createdDateTime"),
+                        "modified_time": resource.get("lastModifiedDateTime"),
+                        "source": "share_point",
+                    }
+
+                    content = ""
+                    if load_content:
+                        content = self._download_file_content(effective_id) or ""
+
+                    documents.append(
+                        Document(text=content, doc_id=effective_id, extra_info=doc_metadata)
+                    )
+
+            if limit and end_index < len(hits):
+                self.next_page_token = str(end_index)
+            else:
+                self.next_page_token = None
+
+            return documents
+
+        except Exception as e:
+            logging.error(f"Error listing shared items via search API: {e}", exc_info=True)
+            return documents
+
+    @_retry_on_auth_failure
+    def _download_file_content(self, file_id: str) -> Optional[str]:
+        self._ensure_valid_token()
+
+        try:
+            url = f"{self._get_item_url(file_id)}/content"
+            response = requests.get(url, headers=self._get_headers())
+            response.raise_for_status()
+
+            try:
+                return response.content.decode('utf-8')
+            except UnicodeDecodeError:
+                logging.error(f"Could not decode file {file_id} as text")
+                return None
+
+        except requests.exceptions.HTTPError:
+            raise
+        except Exception as e:
+            logging.error(f"Error downloading file {file_id}: {e}")
+            return None
+
+    def _download_single_file(self, file_id: str, local_dir: str) -> bool:
+        try:
+            url = self._get_item_url(file_id)
+            params = {'$select': 'id,name,file'}
+            response = requests.get(url, headers=self._get_headers(), params=params)
+            response.raise_for_status()
+
+            metadata = response.json()
+            file_name = metadata.get('name', 'unknown')
+            file_data = metadata.get('file', {})
+            mime_type = file_data.get('mimeType', 'application/octet-stream')
+
+            if mime_type not in self.SUPPORTED_MIME_TYPES:
+                logging.info(f"Skipping unsupported file type: {mime_type}")
+                return False
+
+            os.makedirs(local_dir, exist_ok=True)
+            full_path = os.path.join(local_dir, file_name)
+
+            download_url = f"{self._get_item_url(file_id)}/content"
+            download_response = requests.get(download_url, headers=self._get_headers())
+            download_response.raise_for_status()
+
+            with open(full_path, 'wb') as f:
+                f.write(download_response.content)
+
+            return True
+        except Exception as e:
+            logging.error(f"Error in _download_single_file: {e}")
+            return False
+
+    def _download_folder_recursive(self, folder_id: str, local_dir: str, recursive: bool = True) -> int:
+        files_downloaded = 0
+        try:
+            os.makedirs(local_dir, exist_ok=True)
+
+            url = f"{self._get_item_url(folder_id)}/children"
+            params = {'$top': 1000}
+
+            while url:
+                response = requests.get(url, headers=self._get_headers(), params=params)
+                response.raise_for_status()
+
+                results = response.json()
+                items = results.get('value', [])
+                logging.info(f"Found {len(items)} items in folder {folder_id}")
+
+                for item in items:
+                    item_name = item.get('name', 'unknown')
+                    item_id = item.get('id')
+
+                    if 'folder' in item:
+                        if recursive:
+                            subfolder_path = os.path.join(local_dir, item_name)
+                            os.makedirs(subfolder_path, exist_ok=True)
+                            subfolder_files = self._download_folder_recursive(
+                                item_id,
+                                subfolder_path,
+                                recursive
+                            )
+                            files_downloaded += subfolder_files
+                            logging.info(f"Downloaded {subfolder_files} files from subfolder {item_name}")
+                    else:
+                        success = self._download_single_file(item_id, local_dir)
+                        if success:
+                            files_downloaded += 1
+                            logging.info(f"Downloaded file: {item_name}")
+                        else:
+                            logging.warning(f"Failed to download file: {item_name}")
+
+                url = results.get('@odata.nextLink')
+
+            return files_downloaded
+
+        except Exception as e:
+            logging.error(f"Error in _download_folder_recursive for folder {folder_id}: {e}", exc_info=True)
+            return files_downloaded
+
+    def _download_folder_contents(self, folder_id: str, local_dir: str, recursive: bool = True) -> int:
+        try:
+            self._ensure_valid_token()
+            return self._download_folder_recursive(folder_id, local_dir, recursive)
+        except Exception as e:
+            logging.error(f"Error downloading folder {folder_id}: {e}", exc_info=True)
+            return 0
+
+    def _download_file_to_directory(self, file_id: str, local_dir: str) -> bool:
+        try:
+            self._ensure_valid_token()
+            return self._download_single_file(file_id, local_dir)
+        except Exception as e:
+            logging.error(f"Error downloading file {file_id}: {e}", exc_info=True)
+            return False
+
+    def download_to_directory(self, local_dir: str, source_config: Dict[str, Any] = None) -> Dict[str, Any]:
+        if source_config is None:
+            source_config = {}
+
+        config = source_config if source_config else getattr(self, 'config', {})
+        files_downloaded = 0
+
+        try:
+            folder_ids = config.get('folder_ids', [])
+            file_ids = config.get('file_ids', [])
+            recursive = config.get('recursive', True)
+
+            if file_ids:
+                if isinstance(file_ids, str):
+                    file_ids = [file_ids]
+
+                for file_id in file_ids:
+                    if self._download_file_to_directory(file_id, local_dir):
+                        files_downloaded += 1
+
+            if folder_ids:
+                if isinstance(folder_ids, str):
+                    folder_ids = [folder_ids]
+
+                for folder_id in folder_ids:
+                    try:
+                        url = self._get_item_url(folder_id)
+                        params = {'$select': 'id,name'}
+                        response = requests.get(url, headers=self._get_headers(), params=params)
+                        response.raise_for_status()
+
+                        folder_metadata = response.json()
+                        folder_name = folder_metadata.get('name', '')
+                        folder_path = os.path.join(local_dir, folder_name)
+                        os.makedirs(folder_path, exist_ok=True)
+
+                        folder_files = self._download_folder_recursive(
+                            folder_id,
+                            folder_path,
+                            recursive
+                        )
+                        files_downloaded += folder_files
+                        logging.info(f"Downloaded {folder_files} files from folder {folder_name}")
+                    except Exception as e:
+                        logging.error(f"Error downloading folder {folder_id}: {e}", exc_info=True)
+
+            if not file_ids and not folder_ids:
+                raise ValueError("No folder_ids or file_ids provided for download")
+
+            return {
+                "files_downloaded": files_downloaded,
+                "directory_path": local_dir,
+                "empty_result": files_downloaded == 0,
+                "source_type": "share_point",
+                "config_used": config
+            }
+
+        except Exception as e:
+            return {
+                "files_downloaded": files_downloaded,
+                "directory_path": local_dir,
+                "empty_result": True,
+                "source_type": "share_point",
+                "config_used": config,
+                "error": str(e)
+            }

application/requirements.txt

@@ -47,6 +47,7 @@ markupsafe==3.0.3
 marshmallow>=3.18.0,<5.0.0
 mpmath==1.3.0
 multidict==6.7.0
+msal==1.34.0
 mypy-extensions==1.1.0
 networkx==3.6.1
 numpy==2.4.0
@@ -95,4 +96,4 @@ werkzeug>=3.1.0
 yarl==1.22.0
 markdownify==1.2.2
 tldextract==5.3.0
-websockets==15.0.1
+websockets==15.0.1

frontend/package-lock.json

@@ -8103,6 +8103,7 @@
         "https://github.com/sponsors/katex"
       ],
       "license": "MIT",
+      "license": "MIT",
       "dependencies": {
         "commander": "^8.3.0"
       },

frontend/src/agents/AgentCard.tsx

@@ -320,4 +320,4 @@ export default function AgentCard({
       />
     </div>
   );
-}
+}

frontend/src/agents/AgentsList.tsx

@@ -603,4 +603,4 @@ function AgentSection({
       </div>
     </div>
   );
-}
+}

frontend/src/agents/NewAgent.tsx

@@ -1405,4 +1405,4 @@ function AddPromptModal({
       handleAddPrompt={handleAddPrompt}
     />
   );
-}
+}

frontend/src/agents/agents.config.ts

@@ -41,4 +41,4 @@ export const agentSectionsConfig = [
     selectData: selectSharedAgents,
     updateAction: setSharedAgents,
   },
-];
+];

frontend/src/agents/index.tsx

@@ -18,4 +18,4 @@ export default function Agents() {
       <Route path="/workflow/edit/:agentId" element={<WorkflowBuilder />} />
     </Routes>
   );
-}
+}

frontend/src/assets/sharepoint.svg

@@ -0,0 +1,16 @@
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+
+<!-- Uploaded to: SVG Repo, www.svgrepo.com, Transformed by: SVG Repo Mixer Tools -->
+<svg width="800px" height="800px" viewBox="0 0 48 48" id="b" xmlns="http://www.w3.org/2000/svg" fill="#000000" stroke="#000000" stroke-width="3.312">
+
+<g id="SVGRepo_bgCarrier" stroke-width="0"/>
+
+<g id="SVGRepo_tracerCarrier" stroke-linecap="round" stroke-linejoin="round"/>
+
+<g id="SVGRepo_iconCarrier">
+
+<defs>
+
+<style>.c{fill:none;stroke:#000000;stroke-linecap:round;stroke-linejoin:round;}</style>
+
+</defs>

frontend/src/components/ConnectedStateSkeleton.tsx

@@ -0,0 +1,13 @@
+const ConnectedStateSkeleton = () => (
+  <div className="mb-4">
+    <div className="flex w-full animate-pulse items-center justify-between rounded-[10px] bg-gray-200 px-4 py-2 dark:bg-gray-700">
+      <div className="flex items-center gap-2">
+        <div className="h-4 w-4 rounded bg-gray-300 dark:bg-gray-600"></div>
+        <div className="h-4 w-32 rounded bg-gray-300 dark:bg-gray-600"></div>
+      </div>
+      <div className="h-4 w-16 rounded bg-gray-300 dark:bg-gray-600"></div>
+    </div>
+  </div>
+);
+
+export default ConnectedStateSkeleton;

frontend/src/components/ConnectorAuth.tsx

@@ -150,7 +150,7 @@ const ConnectorAuth: React.FC<ConnectorAuthProps> = ({
       {isConnected ? (
         <div className="mb-4">
           <div className="flex w-full items-center justify-between rounded-[10px] bg-[#8FDD51] px-4 py-2 text-sm font-medium text-[#212121]">
-            <div className="flex items-center gap-2">
+            <div className="flex max-w-[500px] items-center gap-2">
               <svg className="h-4 w-4" viewBox="0 0 24 24">
                 <path
                   fill="currentColor"

frontend/src/components/FilePicker.tsx

@@ -56,6 +56,10 @@ export const FilePicker: React.FC<CloudFilePickerProps> = ({
       displayName: 'Drive',
       rootName: 'My Drive',
     },
+    share_point: {
+      displayName: 'SharePoint',
+      rootName: 'My Files',
+    },
   } as const;
 
   const getProviderConfig = (provider: string) => {
@@ -88,9 +92,14 @@ export const FilePicker: React.FC<CloudFilePickerProps> = ({
   const [authError, setAuthError] = useState<string>('');
   const [isConnected, setIsConnected] = useState(false);
   const [userEmail, setUserEmail] = useState<string>('');
+  const [allowsSharedContent, setAllowsSharedContent] = useState(false);
+  const [activeTab, setActiveTab] = useState<'my_files' | 'shared'>(
+    'my_files',
+  );
 
   const scrollContainerRef = useRef<HTMLDivElement>(null);
   const searchTimeoutRef = useRef<ReturnType<typeof setTimeout> | null>(null);
+  const abortControllerRef = useRef<AbortController | null>(null);
 
   const isFolder = (file: CloudFile) => {
     return (
@@ -106,7 +115,13 @@ export const FilePicker: React.FC<CloudFilePickerProps> = ({
       folderId: string | null,
       pageToken?: string,
       searchQuery = '',
+      shared = false,
     ) => {
+      // Cancel any in-flight request so stale responses never overwrite new state
+      abortControllerRef.current?.abort();
+      const controller = new AbortController();
+      abortControllerRef.current = controller;
+
       setIsLoading(true);
 
       const apiHost = import.meta.env.VITE_API_HOST;
@@ -115,20 +130,23 @@ export const FilePicker: React.FC<CloudFilePickerProps> = ({
       }
 
       try {
+        const body: Record<string, unknown> = {
+          provider: provider,
+          session_token: sessionToken,
+          folder_id: folderId,
+          limit: 10,
+          page_token: pageToken,
+          search_query: searchQuery,
+          shared: shared,
+        };
         const response = await fetch(`${apiHost}/api/connectors/files`, {
           method: 'POST',
           headers: {
             'Content-Type': 'application/json',
             Authorization: `Bearer ${token}`,
           },
-          body: JSON.stringify({
-            provider: provider,
-            session_token: sessionToken,
-            folder_id: folderId,
-            limit: 10,
-            page_token: pageToken,
-            search_query: searchQuery,
-          }),
+          body: JSON.stringify(body),
+          signal: controller.signal,
         });
 
         const data = await response.json();
@@ -145,12 +163,15 @@ export const FilePicker: React.FC<CloudFilePickerProps> = ({
           }
         }
       } catch (err) {
+        if ((err as Error).name === 'AbortError') return;
         console.error('Error loading files:', err);
         if (!pageToken) {
           setFiles([]);
         }
       } finally {
-        setIsLoading(false);
+        if (!controller.signal.aborted) {
+          setIsLoading(false);
+        }
       }
     },
     [token, provider],
@@ -192,11 +213,17 @@ export const FilePicker: React.FC<CloudFilePickerProps> = ({
         setUserEmail(validateData.user_email || 'Connected User');
         setIsConnected(true);
         setAuthError('');
+        if (provider === 'share_point') {
+          setAllowsSharedContent(
+            validateData.allows_shared_content ?? false,
+          );
+        }
 
         setFiles([]);
         setNextPageToken(null);
         setHasMoreFiles(false);
         setCurrentFolderId(null);
+        setActiveTab('my_files');
         setFolderPath([
           {
             id: null,
@@ -238,6 +265,7 @@ export const FilePicker: React.FC<CloudFilePickerProps> = ({
           currentFolderId,
           nextPageToken,
           searchQuery,
+          activeTab === 'shared' && !currentFolderId,
         );
       }
     }
@@ -249,6 +277,7 @@ export const FilePicker: React.FC<CloudFilePickerProps> = ({
     searchQuery,
     provider,
     loadCloudFiles,
+    activeTab,
   ]);
 
   useEffect(() => {
@@ -264,6 +293,7 @@ export const FilePicker: React.FC<CloudFilePickerProps> = ({
       if (searchTimeoutRef.current) {
         clearTimeout(searchTimeoutRef.current);
       }
+      abortControllerRef.current?.abort();
     };
   }, []);
 
@@ -277,7 +307,13 @@ export const FilePicker: React.FC<CloudFilePickerProps> = ({
     searchTimeoutRef.current = setTimeout(() => {
       const sessionToken = getSessionToken(provider);
       if (sessionToken) {
-        loadCloudFiles(sessionToken, currentFolderId, undefined, query);
+        loadCloudFiles(
+          sessionToken,
+          currentFolderId,
+          undefined,
+          query,
+          activeTab === 'shared' && !currentFolderId,
+        );
       }
     }, 300);
   };
@@ -295,7 +331,7 @@ export const FilePicker: React.FC<CloudFilePickerProps> = ({
 
     const sessionToken = getSessionToken(provider);
     if (sessionToken) {
-      loadCloudFiles(sessionToken, folderId, undefined, '');
+      loadCloudFiles(sessionToken, folderId, undefined, '', false);
     }
   };
 
@@ -311,10 +347,41 @@ export const FilePicker: React.FC<CloudFilePickerProps> = ({
 
     const sessionToken = getSessionToken(provider);
     if (sessionToken) {
-      loadCloudFiles(sessionToken, newFolderId, undefined, '');
+      loadCloudFiles(
+        sessionToken,
+        newFolderId,
+        undefined,
+        '',
+        activeTab === 'shared' && !newFolderId,
+      );
     }
   };
 
+  const handleTabChange = (tab: 'my_files' | 'shared') => {
+    if (tab === activeTab) return;
+    setActiveTab(tab);
+    setFiles([]);
+    setNextPageToken(null);
+    setHasMoreFiles(false);
+    setCurrentFolderId(null);
+    setSearchQuery('');
+    setFolderPath([
+      {
+        id: null,
+        name:
+          tab === 'shared'
+            ? 'Shared'
+            : getProviderConfig(provider).rootName,
+      },
+    ]);
+    const sessionToken = getSessionToken(provider);
+    if (sessionToken) {
+      loadCloudFiles(sessionToken, null, undefined, '', tab === 'shared');
+    }
+  };
+
+
+
   const handleFileSelect = (fileId: string, isFolder: boolean) => {
     if (isFolder) {
       const newSelectedFolders = selectedFolders.includes(fileId)
@@ -346,7 +413,7 @@ export const FilePicker: React.FC<CloudFilePickerProps> = ({
 
           if (data.session_token) {
             setSessionToken(provider, data.session_token);
-            loadCloudFiles(data.session_token, null);
+            validateAndLoadFiles();
           }
         }}
         onError={(error) => {
@@ -379,6 +446,8 @@ export const FilePicker: React.FC<CloudFilePickerProps> = ({
 
           removeSessionToken(provider);
           setIsConnected(false);
+          setAllowsSharedContent(false);
+          setActiveTab('my_files');
           setFiles([]);
           setSelectedFiles([]);
           onSelectionChange([]);
@@ -390,9 +459,32 @@ export const FilePicker: React.FC<CloudFilePickerProps> = ({
       />
 
       {isConnected && (
-        <div className="mt-3 rounded-lg border border-[#D7D7D7] dark:border-[#6A6A6A]">
+        <div className="mt-3 overflow-hidden rounded-lg border border-[#D7D7D7] dark:border-[#6A6A6A]">
           <div className="rounded-t-lg border-[#EEE6FF78] dark:border-[#6A6A6A]">
-            {/* Breadcrumb navigation */}
+            {provider === 'share_point' && allowsSharedContent && (
+              <div className="flex border-b border-[#D7D7D7] dark:border-[#6A6A6A]">
+                <button
+                  onClick={() => handleTabChange('my_files')}
+                  className={`px-4 py-2 text-sm font-medium ${
+                    activeTab === 'my_files'
+                      ? 'border-b-2 border-[#A076F6] text-[#A076F6]'
+                      : 'text-gray-600 hover:text-gray-800 dark:text-gray-400 dark:hover:text-gray-200'
+                  }`}
+                >
+                  {t('filePicker.myFiles')}
+                </button>
+                <button
+                  onClick={() => handleTabChange('shared')}
+                  className={`px-4 py-2 text-sm font-medium ${
+                    activeTab === 'shared'
+                      ? 'border-b-2 border-[#A076F6] text-[#A076F6]'
+                      : 'text-gray-600 hover:text-gray-800 dark:text-gray-400 dark:hover:text-gray-200'
+                  }`}
+                >
+                  {t('filePicker.sharedWithMe')}
+                </button>
+              </div>
+            )}
             <div className="rounded-t-lg bg-[#EEE6FF78] px-4 pt-4 dark:bg-[#2A262E]">
               <div className="mb-2 flex items-center gap-1">
                 {folderPath.map((path, index) => (
@@ -439,7 +531,7 @@ export const FilePicker: React.FC<CloudFilePickerProps> = ({
               </div>
             </div>
 
-            <div className="h-72">
+            <div className="h-72 border-t border-[#D7D7D7] dark:border-[#6A6A6A]">
               <TableContainer
                 ref={scrollContainerRef}
                 height="288px"
@@ -464,68 +556,95 @@ export const FilePicker: React.FC<CloudFilePickerProps> = ({
                         </TableRow>
                       </TableHead>
                       <TableBody>
-                        {files.map((file, index) => (
-                          <TableRow
-                            key={`${file.id}-${index}`}
-                            onClick={() => {
-                              if (isFolder(file)) {
-                                handleFolderClick(file.id, file.name);
-                              } else {
-                                handleFileSelect(file.id, false);
-                              }
-                            }}
-                          >
-                            <TableCell width="40px" align="center">
-                              <div
-                                className="mx-auto flex h-5 w-5 shrink-0 cursor-pointer items-center justify-center border border-[#EEE6FF78] p-[0.5px] text-sm dark:border-[#6A6A6A]"
-                                onClick={(e) => {
-                                  e.stopPropagation();
-                                  handleFileSelect(file.id, isFolder(file));
+                        {isLoading && files.length === 0
+                          ? Array.from({ length: 5 }).map((_, i) => (
+                              <TableRow key={`skeleton-${i}`}>
+                                <TableCell width="40px" align="center">
+                                  <div className="mx-auto h-5 w-5 animate-pulse rounded bg-gray-200 dark:bg-gray-700" />
+                                </TableCell>
+                                <TableCell>
+                                  <div className="h-4 w-48 animate-pulse rounded bg-gray-200 dark:bg-gray-700" />
+                                </TableCell>
+                                <TableCell>
+                                  <div className="h-4 w-24 animate-pulse rounded bg-gray-200 dark:bg-gray-700" />
+                                </TableCell>
+                                <TableCell>
+                                  <div className="h-4 w-16 animate-pulse rounded bg-gray-200 dark:bg-gray-700" />
+                                </TableCell>
+                              </TableRow>
+                            ))
+                          : files.map((file, index) => (
+                              <TableRow
+                                key={`${file.id}-${index}`}
+                                onClick={() => {
+                                  if (isFolder(file)) {
+                                    handleFolderClick(file.id, file.name);
+                                  } else {
+                                    handleFileSelect(file.id, false);
+                                  }
                                 }}
                               >
-                                {(isFolder(file)
-                                  ? selectedFolders
-                                  : selectedFiles
-                                ).includes(file.id) && (
-                                  <img
-                                    src={CheckIcon}
-                                    alt="Selected"
-                                    className="h-4 w-4"
-                                  />
-                                )}
-                              </div>
-                            </TableCell>
-                            <TableCell>
-                              <div className="flex min-w-0 items-center gap-3">
-                                <div className="flex-shrink-0">
-                                  <img
-                                    src={isFolder(file) ? FolderIcon : FileIcon}
-                                    alt={isFolder(file) ? 'Folder' : 'File'}
-                                    className="h-6 w-6"
-                                  />
-                                </div>
-                                <span className="truncate">{file.name}</span>
-                              </div>
-                            </TableCell>
-                            <TableCell className="text-xs">
-                              {formatDate(file.modifiedTime)}
-                            </TableCell>
-                            <TableCell className="text-xs">
-                              {file.size ? formatBytes(file.size) : '-'}
-                            </TableCell>
-                          </TableRow>
-                        ))}
+                                <TableCell width="40px" align="center">
+                                  <div
+                                    className="mx-auto flex h-5 w-5 shrink-0 cursor-pointer items-center justify-center border border-[#EEE6FF78] p-[0.5px] text-sm dark:border-[#6A6A6A]"
+                                    onClick={(e) => {
+                                      e.stopPropagation();
+                                      handleFileSelect(file.id, isFolder(file));
+                                    }}
+                                  >
+                                    {(isFolder(file)
+                                      ? selectedFolders
+                                      : selectedFiles
+                                    ).includes(file.id) && (
+                                      <img
+                                        src={CheckIcon}
+                                        alt="Selected"
+                                        className="h-4 w-4"
+                                      />
+                                    )}
+                                  </div>
+                                </TableCell>
+                                <TableCell>
+                                  <div className="flex min-w-0 items-center gap-3">
+                                    <div className="shrink-0">
+                                      <img
+                                        src={
+                                          isFolder(file) ? FolderIcon : FileIcon
+                                        }
+                                        alt={isFolder(file) ? 'Folder' : 'File'}
+                                        className="h-6 w-6"
+                                      />
+                                    </div>
+                                    <span className="truncate">{file.name}</span>
+                                  </div>
+                                </TableCell>
+                                <TableCell className="text-xs">
+                                  {formatDate(file.modifiedTime)}
+                                </TableCell>
+                                <TableCell className="text-xs">
+                                  {file.size ? formatBytes(file.size) : '-'}
+                                </TableCell>
+                              </TableRow>
+                            ))}
+                        {isLoading && files.length > 0 &&
+                          Array.from({ length: 3 }).map((_, i) => (
+                            <TableRow key={`load-more-skeleton-${i}`}>
+                              <TableCell width="40px" align="center">
+                                <div className="mx-auto h-5 w-5 animate-pulse rounded bg-gray-200 dark:bg-gray-700" />
+                              </TableCell>
+                              <TableCell>
+                                <div className="h-4 w-48 animate-pulse rounded bg-gray-200 dark:bg-gray-700" />
+                              </TableCell>
+                              <TableCell>
+                                <div className="h-4 w-24 animate-pulse rounded bg-gray-200 dark:bg-gray-700" />
+                              </TableCell>
+                              <TableCell>
+                                <div className="h-4 w-16 animate-pulse rounded bg-gray-200 dark:bg-gray-700" />
+                              </TableCell>
+                            </TableRow>
+                          ))}
                       </TableBody>
                     </Table>
-
-                    {isLoading && (
-                      <div className="flex items-center justify-center border-t border-[#EEE6FF78] p-4 dark:border-[#6A6A6A]">
-                        <div className="inline-flex items-center gap-2 text-sm text-gray-600 dark:text-gray-400">
-                          <div className="h-4 w-4 animate-spin rounded-full border-2 border-blue-500 border-t-transparent"></div>
-                          Loading more files...
-                        </div>
-                      </div>
-                    )}
                   </>
                 }
               </TableContainer>

frontend/src/components/FileSelectionSkeleton.tsx

@@ -0,0 +1,13 @@
+const FilesSectionSkeleton = () => (
+  <div className="rounded-lg border border-[#EEE6FF78] dark:border-[#6A6A6A]">
+    <div className="p-4">
+      <div className="mb-4 flex items-center justify-between">
+        <div className="h-5 w-24 animate-pulse rounded bg-gray-200 dark:bg-gray-700"></div>
+        <div className="h-8 w-24 animate-pulse rounded bg-gray-200 dark:bg-gray-700"></div>
+      </div>
+      <div className="h-4 w-40 animate-pulse rounded bg-gray-200 dark:bg-gray-700"></div>
+    </div>
+  </div>
+);
+
+export default FilesSectionSkeleton;

frontend/src/components/GoogleDrivePicker.tsx

@@ -7,7 +7,10 @@ import {
   getSessionToken,
   setSessionToken,
   removeSessionToken,
+  validateProviderSession,
 } from '../utils/providerUtils';
+import ConnectedStateSkeleton from './ConnectedStateSkeleton';
+import FilesSectionSkeleton from './FileSelectionSkeleton';
 
 interface PickerFile {
   id: string;
@@ -50,20 +53,9 @@ const GoogleDrivePicker: React.FC<GoogleDrivePickerProps> = ({
 
   const validateSession = async (sessionToken: string) => {
     try {
-      const apiHost = import.meta.env.VITE_API_HOST;
-      const validateResponse = await fetch(
-        `${apiHost}/api/connectors/validate-session`,
-        {
-          method: 'POST',
-          headers: {
-            'Content-Type': 'application/json',
-            Authorization: `Bearer ${token}`,
-          },
-          body: JSON.stringify({
-            provider: 'google_drive',
-            session_token: sessionToken,
-          }),
-        },
+      const validateResponse = await validateProviderSession(
+        token,
+        'google_drive',
       );
 
       if (!validateResponse.ok) {
@@ -234,30 +226,6 @@ const GoogleDrivePicker: React.FC<GoogleDrivePickerProps> = ({
     onSelectionChange([], []);
   };
 
-  const ConnectedStateSkeleton = () => (
-    <div className="mb-4">
-      <div className="flex w-full animate-pulse items-center justify-between rounded-[10px] bg-gray-200 px-4 py-2 dark:bg-gray-700">
-        <div className="flex items-center gap-2">
-          <div className="h-4 w-4 rounded bg-gray-300 dark:bg-gray-600"></div>
-          <div className="h-4 w-32 rounded bg-gray-300 dark:bg-gray-600"></div>
-        </div>
-        <div className="h-4 w-16 rounded bg-gray-300 dark:bg-gray-600"></div>
-      </div>
-    </div>
-  );
-
-  const FilesSectionSkeleton = () => (
-    <div className="rounded-lg border border-[#EEE6FF78] dark:border-[#6A6A6A]">
-      <div className="p-4">
-        <div className="mb-4 flex items-center justify-between">
-          <div className="h-5 w-24 animate-pulse rounded bg-gray-200 dark:bg-gray-700"></div>
-          <div className="h-8 w-24 animate-pulse rounded bg-gray-200 dark:bg-gray-700"></div>
-        </div>
-        <div className="h-4 w-40 animate-pulse rounded bg-gray-200 dark:bg-gray-700"></div>
-      </div>
-    </div>
-  );
-
   return (
     <div>
       {isValidating ? (

frontend/src/components/Notification.tsx

@@ -132,4 +132,4 @@ export default function Notification({
       </a>
     </>
   );
-}
+}

frontend/src/locale/de.json

@@ -671,7 +671,10 @@
     "itemsSelected": "{{count}} ausgewählt",
     "name": "Name",
     "lastModified": "Zuletzt geändert",
-    "size": "Größe"
+    "size": "Größe",
+    "myFiles": "Meine Dateien",
+    "sharedWithMe": "Mit mir geteilt",
+    "loadingMore": "Weitere Dateien laden..."
   },
   "actionButtons": {
     "openNewChat": "Neuen Chat öffnen",

frontend/src/locale/en.json

@@ -321,6 +321,10 @@
         "s3": {
           "label": "Amazon S3",
           "heading": "Add content from Amazon S3"
+        },
+        "share_point": {
+          "label": "SharePoint",
+          "heading": "Upload from SharePoint"
         }
       },
       "connectors": {
@@ -350,6 +354,24 @@
           "remove": "Remove",
           "folderAlt": "Folder",
           "fileAlt": "File"
+        },
+        "sharePoint": {
+          "connect": "Connect to SharePoint",
+          "sessionExpired": "Session expired. Please reconnect to SharePoint.",
+          "sessionExpiredGeneric": "Session expired. Please reconnect your account.",
+          "validateFailed": "Failed to validate session. Please reconnect.",
+          "noSession": "No valid session found. Please reconnect to SharePoint.",
+          "noAccessToken": "No access token available. Please reconnect to SharePoint.",
+          "pickerFailed": "Failed to open file picker. Please try again.",
+          "selectedFiles": "Selected Files",
+          "selectFiles": "Select Files",
+          "loading": "Loading...",
+          "noFilesSelected": "No files or folders selected",
+          "folders": "Folders",
+          "files": "Files",
+          "remove": "Remove",
+          "folderAlt": "Folder",
+          "fileAlt": "File"
         }
       }
     },
@@ -672,7 +694,10 @@
     "itemsSelected": "{{count}} selected",
     "name": "Name",
     "lastModified": "Last Modified",
-    "size": "Size"
+    "size": "Size",
+    "myFiles": "My Files",
+    "sharedWithMe": "Shared with Me",
+    "loadingMore": "Loading more files..."
   },
   "actionButtons": {
     "openNewChat": "Open New Chat",

frontend/src/locale/es.json

@@ -321,6 +321,10 @@
         "s3": {
           "label": "Amazon S3",
           "heading": "Agregar contenido desde Amazon S3"
+        },
+        "share_point": {
+          "label": "SharePoint",
+          "heading": "Subir desde SharePoint"
         }
       },
       "connectors": {
@@ -350,6 +354,24 @@
           "remove": "Eliminar",
           "folderAlt": "Carpeta",
           "fileAlt": "Archivo"
+        },
+        "sharePoint": {
+          "connect": "Conectar a SharePoint",
+          "sessionExpired": "Sesión expirada. Por favor, reconecte a SharePoint.",
+          "sessionExpiredGeneric": "Sesión expirada. Por favor, reconecte su cuenta.",
+          "validateFailed": "Error al validar la sesión. Por favor, reconecte.",
+          "noSession": "No se encontró una sesión válida. Por favor, reconecte a SharePoint.",
+          "noAccessToken": "No hay token de acceso disponible. Por favor, reconecte a SharePoint.",
+          "pickerFailed": "Error al abrir el selector de archivos. Por favor, inténtelo de nuevo.",
+          "selectedFiles": "Archivos Seleccionados",
+          "selectFiles": "Seleccionar Archivos",
+          "loading": "Cargando...",
+          "noFilesSelected": "No hay archivos o carpetas seleccionados",
+          "folders": "Carpetas",
+          "files": "Archivos",
+          "remove": "Eliminar",
+          "folderAlt": "Carpeta",
+          "fileAlt": "Archivo"
         }
       }
     },
@@ -671,7 +693,10 @@
     "itemsSelected": "{{count}} seleccionados",
     "name": "Nombre",
     "lastModified": "Última modificación",
-    "size": "Tamaño"
+    "size": "Tamaño",
+    "myFiles": "Mis archivos",
+    "sharedWithMe": "Compartido conmigo",
+    "loadingMore": "Cargando más archivos..."
   },
   "actionButtons": {
     "openNewChat": "Abrir nuevo chat",

frontend/src/locale/jp.json

@@ -321,6 +321,10 @@
         "s3": {
           "label": "Amazon S3",
           "heading": "Amazon S3からコンテンツを追加"
+        },
+        "share_point": {
+          "label": "SharePoint",
+          "heading": "SharePointからアップロード"
         }
       },
       "connectors": {
@@ -350,6 +354,24 @@
           "remove": "削除",
           "folderAlt": "フォルダ",
           "fileAlt": "ファイル"
+        },
+        "sharePoint": {
+          "connect": "SharePointに接続",
+          "sessionExpired": "セッションが期限切れです。SharePointに再接続してください。",
+          "sessionExpiredGeneric": "セッションが期限切れです。アカウントに再接続してください。",
+          "validateFailed": "セッションの検証に失敗しました。再接続してください。",
+          "noSession": "有効なセッションが見つかりません。SharePointに再接続してください。",
+          "noAccessToken": "アクセストークンが利用できません。SharePointに再接続してください。",
+          "pickerFailed": "ファイルピッカーを開けませんでした。もう一度お試しください。",
+          "selectedFiles": "選択されたファイル",
+          "selectFiles": "ファイルを選択",
+          "loading": "読み込み中...",
+          "noFilesSelected": "ファイルまたはフォルダが選択されていません",
+          "folders": "フォルダ",
+          "files": "ファイル",
+          "remove": "削除",
+          "folderAlt": "フォルダ",
+          "fileAlt": "ファイル"
         }
       }
     },
@@ -671,7 +693,10 @@
     "itemsSelected": "{{count}} 件選択済み",
     "name": "名前",
     "lastModified": "最終更新日",
-    "size": "サイズ"
+    "size": "サイズ",
+    "myFiles": "マイファイル",
+    "sharedWithMe": "共有アイテム",
+    "loadingMore": "さらに読み込み中..."
   },
   "actionButtons": {
     "openNewChat": "新しいチャットを開く",

frontend/src/locale/ru.json

@@ -321,6 +321,10 @@
         "s3": {
           "label": "Amazon S3",
           "heading": "Добавить контент из Amazon S3"
+        },
+        "share_point": {
+          "label": "SharePoint",
+          "heading": "Загрузить из SharePoint"
         }
       },
       "connectors": {
@@ -350,6 +354,24 @@
           "remove": "Удалить",
           "folderAlt": "Папка",
           "fileAlt": "Файл"
+        },
+        "sharePoint": {
+          "connect": "Подключиться к SharePoint",
+          "sessionExpired": "Сеанс истек. Пожалуйста, переподключитесь к SharePoint.",
+          "sessionExpiredGeneric": "Сеанс истек. Пожалуйста, переподключите свою учетную запись.",
+          "validateFailed": "Не удалось проверить сеанс. Пожалуйста, переподключитесь.",
+          "noSession": "Действительный сеанс не найден. Пожалуйста, переподключитесь к SharePoint.",
+          "noAccessToken": "Токен доступа недоступен. Пожалуйста, переподключитесь к SharePoint.",
+          "pickerFailed": "Не удалось открыть средство выбора файлов. Пожалуйста, попробуйте еще раз.",
+          "selectedFiles": "Выбранные файлы",
+          "selectFiles": "Выбрать файлы",
+          "loading": "Загрузка...",
+          "noFilesSelected": "Файлы или папки не выбраны",
+          "folders": "Папки",
+          "files": "Файлы",
+          "remove": "Удалить",
+          "folderAlt": "Папка",
+          "fileAlt": "Файл"
         }
       }
     },
@@ -671,7 +693,10 @@
     "itemsSelected": "{{count}} выбрано",
     "name": "Имя",
     "lastModified": "Последнее изменение",
-    "size": "Размер"
+    "size": "Размер",
+    "myFiles": "Мои файлы",
+    "sharedWithMe": "Доступные мне",
+    "loadingMore": "Загрузка файлов..."
   },
   "actionButtons": {
     "openNewChat": "Открыть новый чат",

frontend/src/locale/zh-TW.json

@@ -321,6 +321,10 @@
         "s3": {
           "label": "Amazon S3",
           "heading": "從Amazon S3新增內容"
+        },
+        "share_point": {
+          "label": "SharePoint",
+          "heading": "從SharePoint上傳"
         }
       },
       "connectors": {
@@ -350,6 +354,24 @@
           "remove": "移除",
           "folderAlt": "資料夾",
           "fileAlt": "檔案"
+        },
+        "sharePoint": {
+          "connect": "連接到 SharePoint",
+          "sessionExpired": "工作階段已過期。請重新連接到 SharePoint。",
+          "sessionExpiredGeneric": "工作階段已過期。請重新連接您的帳戶。",
+          "validateFailed": "驗證工作階段失敗。請重新連接。",
+          "noSession": "未找到有效工作階段。請重新連接到 SharePoint。",
+          "noAccessToken": "存取權杖不可用。請重新連接到 SharePoint。",
+          "pickerFailed": "無法開啟檔案選擇器。請重試。",
+          "selectedFiles": "已選擇的檔案",
+          "selectFiles": "選擇檔案",
+          "loading": "載入中...",
+          "noFilesSelected": "未選擇檔案或資料夾",
+          "folders": "資料夾",
+          "files": "檔案",
+          "remove": "移除",
+          "folderAlt": "資料夾",
+          "fileAlt": "檔案"
         }
       }
     },
@@ -671,7 +693,10 @@
     "itemsSelected": "已選擇 {{count}} 項",
     "name": "名稱",
     "lastModified": "最後修改",
-    "size": "大小"
+    "size": "大小",
+    "myFiles": "我的檔案",
+    "sharedWithMe": "與我共用",
+    "loadingMore": "載入更多檔案..."
   },
   "actionButtons": {
     "openNewChat": "開啟新聊天",

frontend/src/locale/zh.json

@@ -321,6 +321,10 @@
         "s3": {
           "label": "Amazon S3",
           "heading": "从Amazon S3添加内容"
+        },
+        "share_point": {
+          "label": "SharePoint",
+          "heading": "从SharePoint上传"
         }
       },
       "connectors": {
@@ -350,6 +354,24 @@
           "remove": "删除",
           "folderAlt": "文件夹",
           "fileAlt": "文件"
+        },
+        "sharePoint": {
+          "connect": "连接到 SharePoint",
+          "sessionExpired": "会话已过期。请重新连接到 SharePoint。",
+          "sessionExpiredGeneric": "会话已过期。请重新连接您的账户。",
+          "validateFailed": "验证会话失败。请重新连接。",
+          "noSession": "未找到有效会话。请重新连接到 SharePoint。",
+          "noAccessToken": "访问令牌不可用。请重新连接到 SharePoint。",
+          "pickerFailed": "无法打开文件选择器。请重试。",
+          "selectedFiles": "已选择的文件",
+          "selectFiles": "选择文件",
+          "loading": "加载中...",
+          "noFilesSelected": "未选择文件或文件夹",
+          "folders": "文件夹",
+          "files": "文件",
+          "remove": "删除",
+          "folderAlt": "文件夹",
+          "fileAlt": "文件"
         }
       }
     },
@@ -671,7 +693,10 @@
     "itemsSelected": "已选择 {{count}} 项",
     "name": "名称",
     "lastModified": "最后修改",
-    "size": "大小"
+    "size": "大小",
+    "myFiles": "我的文件",
+    "sharedWithMe": "与我共享",
+    "loadingMore": "加载更多文件..."
   },
   "actionButtons": {
     "openNewChat": "打开新聊天",

frontend/src/store.ts

@@ -78,4 +78,4 @@ export default store;
 
 // TODO : use https://redux-toolkit.js.org/tutorials/typescript#define-typed-hooks everywere instead of direct useDispatch
 
-// TODO : streamline async state management
+// TODO : streamline async state management

frontend/src/upload/Upload.tsx

@@ -252,6 +252,23 @@ function Upload({
             token={token}
           />
         );
+      case 'share_point_picker':
+        return (
+          <FilePicker
+            key={field.name}
+            onSelectionChange={(
+              selectedFileIds: string[],
+              selectedFolderIds: string[] = [],
+            ) => {
+              setSelectedFiles(selectedFileIds);
+              setSelectedFolders(selectedFolderIds);
+            }}
+            provider="share_point"
+            token={token}
+            initialSelectedFiles={selectedFiles}
+            initialSelectedFolders={selectedFolders}
+          />
+        );
       default:
         return null;
     }
@@ -534,6 +551,9 @@ function Upload({
     const hasGoogleDrivePicker = schema.some(
       (field: FormField) => field.type === 'google_drive_picker',
     );
+    const hasSharePointPicker = schema.some(
+      (field: FormField) => field.type === 'share_point_picker',
+    );
 
     let configData: Record<string, unknown> = { ...ingestor.config };
 
@@ -541,7 +561,7 @@ function Upload({
       files.forEach((file) => {
         formData.append('file', file);
       });
-    } else if (hasRemoteFilePicker || hasGoogleDrivePicker) {
+    } else if (hasRemoteFilePicker || hasGoogleDrivePicker || hasSharePointPicker) {
       const sessionToken = getSessionToken(ingestor.type as string);
       configData = {
         provider: ingestor.type as string,
@@ -717,12 +737,15 @@ function Upload({
     const hasGoogleDrivePicker = schema.some(
       (field: FormField) => field.type === 'google_drive_picker',
     );
+    const hasSharePointPicker = schema.some(
+      (field: FormField) => field.type === 'share_point_picker',
+    );
 
     if (hasLocalFilePicker) {
       if (files.length === 0) {
         return true;
       }
-    } else if (hasRemoteFilePicker || hasGoogleDrivePicker) {
+    } else if (hasRemoteFilePicker || hasGoogleDrivePicker || hasSharePointPicker) {
       if (selectedFiles.length === 0 && selectedFolders.length === 0) {
         return true;
       }

frontend/src/upload/types/ingestor.ts

@@ -5,6 +5,7 @@ import GithubIcon from '../../assets/github.svg';
 import RedditIcon from '../../assets/reddit.svg';
 import DriveIcon from '../../assets/drive.svg';
 import S3Icon from '../../assets/s3.svg';
+import SharePoint from '../../assets/sharepoint.svg';
 
 export type IngestorType =
   | 'crawler'
@@ -13,7 +14,8 @@ export type IngestorType =
   | 'url'
   | 'google_drive'
   | 'local_file'
-  | 's3';
+  | 's3'
+  | 'share_point';
 
 export interface IngestorConfig {
   type: IngestorType | null;
@@ -35,7 +37,8 @@ export type FieldType =
   | 'boolean'
   | 'local_file_picker'
   | 'remote_file_picker'
-  | 'google_drive_picker';
+  | 'google_drive_picker'
+  | 'share_point_picker';
 
 export interface FormField {
   name: string;
@@ -193,6 +196,24 @@ export const IngestorFormSchemas: IngestorSchema[] = [
       },
     ],
   },
+  {
+    key: 'share_point',
+    label: 'Share Point',
+    icon: SharePoint,
+    heading: 'Upload from Share Point',
+    validate: () => {
+      const sharePointClientId = import.meta.env.VITE_SHARE_POINT_CLIENT_ID;
+      return !!sharePointClientId;
+    },
+    fields: [
+      {
+        name: 'files',
+        label: 'Select Files from Share Point',
+        type: 'share_point_picker',
+        required: true,
+      },
+    ],
+  },
 ];
 
 export const IngestorDefaultConfigs: Record<
@@ -232,6 +253,14 @@ export const IngestorDefaultConfigs: Record<
       endpoint_url: '',
     },
   },
+  share_point: {
+    name: '',
+    config: {
+      file_ids: '',
+      folder_ids: '',
+      recursive: true,
+    },
+  },
 };
 
 export interface IngestorOption {

frontend/src/utils/providerUtils.ts

@@ -14,3 +14,21 @@ export const setSessionToken = (provider: string, token: string): void => {
 export const removeSessionToken = (provider: string): void => {
   localStorage.removeItem(`${provider}_session_token`);
 };
+
+export const validateProviderSession = async (
+  token: string | null,
+  provider: string,
+) => {
+  const apiHost = import.meta.env.VITE_API_HOST;
+  return await fetch(`${apiHost}/api/connectors/validate-session`, {
+    method: 'POST',
+    headers: {
+      'Content-Type': 'application/json',
+      Authorization: `Bearer ${token}`,
+    },
+    body: JSON.stringify({
+      provider: provider,
+      session_token: getSessionToken(provider),
+    }),
+  });
+};

tests/__init__.py

@@ -0,0 +1 @@
+

tests/parser/remote/test_share_point_loader.py

@@ -0,0 +1,200 @@
+"""Tests for SharePoint loader."""
+
+from unittest.mock import patch, MagicMock
+
+from application.parser.connectors.share_point.loader import SharePointLoader
+
+
+def make_response(json_data=None, status_code=200, raise_error=None):
+    resp = MagicMock()
+    resp.status_code = status_code
+    resp.json.return_value = json_data
+    resp.content = b"test content"
+    if raise_error is not None:
+        resp.raise_for_status.side_effect = raise_error
+    else:
+        resp.raise_for_status.return_value = None
+    return resp
+
+
+class TestSharePointLoaderProcessFile:
+    """Test _process_file method."""
+
+    def test_size_retrieved_from_root_level(self):
+        """Should retrieve size from root of file_metadata, not nested file object."""
+        loader = SharePointLoader.__new__(SharePointLoader)
+
+        file_metadata = {
+            "id": "test-id",
+            "name": "test.txt",
+            "createdDateTime": "2024-01-01T00:00:00Z",
+            "lastModifiedDateTime": "2024-01-01T00:00:00Z",
+            "size": 1024,
+            "file": {
+                "mimeType": "text/plain"
+            }
+        }
+
+        doc = loader._process_file(file_metadata, load_content=False)
+
+        assert doc is not None
+        assert doc.extra_info["size"] == 1024
+        assert doc.extra_info["file_name"] == "test.txt"
+        assert doc.extra_info["mime_type"] == "text/plain"
+
+    def test_size_null_when_missing(self):
+        """Should return None when size field is missing."""
+        loader = SharePointLoader.__new__(SharePointLoader)
+
+        file_metadata = {
+            "id": "test-id",
+            "name": "test.txt",
+            "createdDateTime": "2024-01-01T00:00:00Z",
+            "lastModifiedDateTime": "2024-01-01T00:00:00Z",
+            "file": {
+                "mimeType": "text/plain"
+            }
+        }
+
+        doc = loader._process_file(file_metadata, load_content=False)
+
+        assert doc is not None
+        assert doc.extra_info["size"] is None
+
+
+class TestSharePointLoaderLoadFileById:
+    """Test _load_file_by_id method."""
+
+    @patch("application.parser.connectors.share_point.loader.requests.get")
+    @patch("application.parser.connectors.share_point.loader.SharePointAuth.get_token_info_from_session")
+    @patch("application.parser.connectors.share_point.loader.SharePointAuth.__init__", return_value=None)
+    @patch("application.parser.connectors.share_point.loader.SharePointLoader._ensure_valid_token")
+    def test_load_file_by_id_includes_size_in_select(self, mock_ensure_token, mock_auth_init, mock_get_token, mock_get):
+        """Should include size field in $select parameter."""
+        mock_get_token.return_value = {
+            "access_token": "test-token",
+            "refresh_token": "test-refresh"
+        }
+        mock_get.return_value = make_response({
+            "id": "test-id",
+            "name": "test.txt",
+            "createdDateTime": "2024-01-01T00:00:00Z",
+            "lastModifiedDateTime": "2024-01-01T00:00:00Z",
+            "size": 2048,
+            "file": {
+                "mimeType": "text/plain"
+            }
+        })
+
+        loader = SharePointLoader("test-session")
+        doc = loader._load_file_by_id("test-id", load_content=False)
+
+        assert doc is not None
+        assert doc.extra_info["size"] == 2048
+
+        call_args = mock_get.call_args
+        params = call_args[1]["params"]
+        assert "size" in params["$select"]
+
+    @patch("application.parser.connectors.share_point.loader.requests.get")
+    @patch("application.parser.connectors.share_point.loader.SharePointAuth.get_token_info_from_session")
+    @patch("application.parser.connectors.share_point.loader.SharePointAuth.__init__", return_value=None)
+    @patch("application.parser.connectors.share_point.loader.SharePointLoader._ensure_valid_token")
+    def test_load_file_by_id_returns_document_with_size(self, mock_ensure_token, mock_auth_init, mock_get_token, mock_get):
+        """Should return document with size from API response."""
+        mock_get_token.return_value = {
+            "access_token": "test-token",
+            "refresh_token": "test-refresh"
+        }
+        mock_get.return_value = make_response({
+            "id": "test-id",
+            "name": "document.pdf",
+            "createdDateTime": "2024-01-01T00:00:00Z",
+            "lastModifiedDateTime": "2024-06-15T10:30:00Z",
+            "size": 56789,
+            "file": {
+                "mimeType": "application/pdf"
+            }
+        })
+
+        loader = SharePointLoader("test-session")
+        doc = loader._load_file_by_id("test-id", load_content=False)
+
+        assert doc is not None
+        assert doc.doc_id == "test-id"
+        assert doc.extra_info["file_name"] == "document.pdf"
+        assert doc.extra_info["mime_type"] == "application/pdf"
+        assert doc.extra_info["size"] == 56789
+        assert doc.extra_info["created_time"] == "2024-01-01T00:00:00Z"
+        assert doc.extra_info["modified_time"] == "2024-06-15T10:30:00Z"
+        assert doc.extra_info["source"] == "share_point"
+
+
+class TestSharePointLoaderListItems:
+    """Test _list_items_in_parent method."""
+
+    @patch("application.parser.connectors.share_point.loader.requests.get")
+    @patch("application.parser.connectors.share_point.loader.SharePointAuth.get_token_info_from_session")
+    @patch("application.parser.connectors.share_point.loader.SharePointAuth.__init__", return_value=None)
+    @patch("application.parser.connectors.share_point.loader.SharePointLoader._ensure_valid_token")
+    def test_list_items_includes_size_in_select(self, mock_ensure_token, mock_auth_init, mock_get_token, mock_get):
+        """Should include size field in $select parameter when listing items."""
+        mock_get_token.return_value = {
+            "access_token": "test-token",
+            "refresh_token": "test-refresh"
+        }
+        mock_get.return_value = make_response({
+            "value": [
+                {
+                    "id": "file-1",
+                    "name": "file1.txt",
+                    "createdDateTime": "2024-01-01T00:00:00Z",
+                    "lastModifiedDateTime": "2024-01-01T00:00:00Z",
+                    "size": 12345,
+                    "file": {
+                        "mimeType": "text/plain"
+                    }
+                }
+            ]
+        })
+
+        loader = SharePointLoader("test-session")
+        docs = loader._list_items_in_parent("parent-id", limit=10, load_content=False)
+
+        assert len(docs) == 1
+        assert docs[0].extra_info["size"] == 12345
+
+        call_args = mock_get.call_args
+        params = call_args[1]["params"]
+        assert "size" in params["$select"]
+
+    @patch("application.parser.connectors.share_point.loader.requests.get")
+    @patch("application.parser.connectors.share_point.loader.SharePointAuth.get_token_info_from_session")
+    @patch("application.parser.connectors.share_point.loader.SharePointAuth.__init__", return_value=None)
+    @patch("application.parser.connectors.share_point.loader.SharePointLoader._ensure_valid_token")
+    def test_list_items_folders_include_size(self, mock_ensure_token, mock_auth_init, mock_get_token, mock_get):
+        """Should include size for folders as well."""
+        mock_get_token.return_value = {
+            "access_token": "test-token",
+            "refresh_token": "test-refresh"
+        }
+        mock_get.return_value = make_response({
+            "value": [
+                {
+                    "id": "folder-1",
+                    "name": "MyFolder",
+                    "createdDateTime": "2024-01-01T00:00:00Z",
+                    "lastModifiedDateTime": "2024-01-01T00:00:00Z",
+                    "size": 0,
+                    "folder": {}
+                }
+            ]
+        })
+
+        loader = SharePointLoader("test-session")
+        docs = loader._list_items_in_parent("parent-id", limit=10, load_content=False)
+
+        assert len(docs) == 1
+        assert docs[0].extra_info["is_folder"] is True
+        assert docs[0].extra_info["size"] == 0
+