Nextcloud MCP Server

"""User info routes for the MCP server admin UI. Provides browser-based endpoints to view information about the currently authenticated user. Uses session-based authentication with OAuth flow. For BasicAuth mode: Shows configured user info (no login needed). For OAuth mode: Requires browser-based OAuth login to establish session. """ import logging import os from pathlib import Path from typing import Any import httpx from jinja2 import Environment, FileSystemLoader from starlette.authentication import requires from starlette.requests import Request from starlette.responses import HTMLResponse, JSONResponse from nextcloud_mcp_server.client import NextcloudClient logger = logging.getLogger(__name__) # Setup Jinja2 environment for templates _template_dir = Path(__file__).parent / "templates" _jinja_env = Environment(loader=FileSystemLoader(_template_dir)) async def _get_authenticated_client_for_userinfo(request: Request) -> NextcloudClient: """Get an authenticated Nextcloud client for user info page operations. This is a shared helper for authenticated routes that need to access Nextcloud APIs. It handles both BasicAuth and OAuth authentication modes. Args: request: Starlette request object Returns: Authenticated NextcloudClient Raises: RuntimeError: If credentials/session not configured """ oauth_ctx = getattr(request.app.state, "oauth_context", None) # BasicAuth mode - use credentials from environment if not oauth_ctx: nextcloud_host = os.getenv("NEXTCLOUD_HOST") username = os.getenv("NEXTCLOUD_USERNAME") password = os.getenv("NEXTCLOUD_PASSWORD") if not all([nextcloud_host, username, password]): raise RuntimeError("BasicAuth credentials not configured") from httpx import BasicAuth assert nextcloud_host is not None assert username is not None assert password is not None return NextcloudClient( base_url=nextcloud_host, username=username, auth=BasicAuth(username, password), ) # OAuth mode - get token from session storage = oauth_ctx.get("storage") session_id = request.cookies.get("mcp_session") if not storage or not session_id: raise RuntimeError("Session not found") token_data = await storage.get_refresh_token(session_id) if not token_data or "access_token" not in token_data: raise RuntimeError("No access token found in session") access_token = token_data["access_token"] username = token_data.get("username") nextcloud_host = oauth_ctx.get("config", {}).get("nextcloud_host", "") if not nextcloud_host or not username: raise RuntimeError("Nextcloud host or username not configured") return NextcloudClient.from_token( base_url=nextcloud_host, token=access_token, username=username ) async def _get_processing_status(request: Request) -> dict[str, Any] | None: """Get vector sync processing status. Returns processing status information including indexed count, pending count, and sync status. Only available when VECTOR_SYNC_ENABLED=true. Args: request: Starlette request object Returns: Dictionary with processing status, or None if vector sync is disabled or components are unavailable: { "indexed_count": int, # Number of documents in Qdrant "pending_count": int, # Number of documents in queue "status": str, # "syncing" or "idle" } """ # Check if vector sync is enabled vector_sync_enabled = os.getenv("VECTOR_SYNC_ENABLED", "false").lower() == "true" if not vector_sync_enabled: return None try: # Get document receive stream from app state document_receive_stream = getattr( request.app.state, "document_receive_stream", None ) if document_receive_stream is None: logger.debug("document_receive_stream not available in app state") return None # Get pending count from stream statistics stats = document_receive_stream.statistics() pending_count = stats.current_buffer_used # Get Qdrant client and query indexed count indexed_count = 0 try: from nextcloud_mcp_server.config import get_settings from nextcloud_mcp_server.vector.qdrant_client import get_qdrant_client settings = get_settings() qdrant_client = await get_qdrant_client() # Count documents in collection count_result = await qdrant_client.count( collection_name=settings.get_collection_name() ) indexed_count = count_result.count except Exception as e: logger.warning(f"Failed to query Qdrant for indexed count: {e}") # Continue with indexed_count = 0 # Determine status status = "syncing" if pending_count > 0 else "idle" return { "indexed_count": indexed_count, "pending_count": pending_count, "status": status, } except Exception as e: logger.error(f"Error getting processing status: {e}") return None @requires("authenticated", redirect="oauth_login") async def vector_sync_status_fragment(request: Request) -> HTMLResponse: """Vector sync status fragment endpoint - returns HTML fragment with current status. This endpoint is polled by htmx to provide real-time updates of vector sync processing status without requiring a full page refresh. Requires authentication via session cookie (redirects to oauth_login route if not authenticated). Args: request: Starlette request object Returns: HTML response with vector sync status table fragment """ processing_status = await _get_processing_status(request) # If vector sync is disabled or unavailable, return empty fragment if not processing_status: return HTMLResponse( """ <div id="vector-sync-status" hx-get="/app/vector-sync/status" hx-trigger="every 10s" hx-swap="innerHTML"> <p style="color: #999;">Vector sync not available</p> </div> """ ) indexed_count = processing_status["indexed_count"] pending_count = processing_status["pending_count"] status = processing_status["status"] # Format numbers with commas for readability indexed_count_str = f"{indexed_count:,}" pending_count_str = f"{pending_count:,}" # Status badge color and text if status == "syncing": status_badge = ( '<span style="color: #ff9800; font-weight: bold;">⟳ Syncing</span>' ) else: status_badge = '<span style="color: #4caf50; font-weight: bold;">✓ Idle</span>' # Return inner content only (container div is in initial page render) html = f""" <h2>Vector Sync Status</h2> <table> <tr> <td><strong>Indexed Documents</strong></td> <td>{indexed_count_str}</td> </tr> <tr> <td><strong>Pending Documents</strong></td> <td>{pending_count_str}</td> </tr> <tr> <td><strong>Status</strong></td> <td>{status_badge}</td> </tr> </table> """ return HTMLResponse(html) async def _get_userinfo_endpoint(oauth_ctx: dict[str, Any]) -> str | None: """Get the correct userinfo endpoint based on OAuth mode. Args: oauth_ctx: OAuth context from app.state Returns: Userinfo endpoint URL, or None if unavailable """ oauth_client = oauth_ctx.get("oauth_client") # External IdP mode (Keycloak): use oauth_client's userinfo endpoint if oauth_client: # Ensure discovery has been performed if not oauth_client.userinfo_endpoint: try: await oauth_client.discover() except Exception as e: logger.error(f"Failed to discover IdP endpoints: {e}") return None logger.debug( f"Using external IdP userinfo endpoint: {oauth_client.userinfo_endpoint}" ) return oauth_client.userinfo_endpoint # Integrated mode (Nextcloud): query discovery document oauth_config = oauth_ctx.get("config") if not oauth_config: return None discovery_url = oauth_config.get("discovery_url") if not discovery_url: return None try: async with httpx.AsyncClient(timeout=10.0) as client: response = await client.get(discovery_url) response.raise_for_status() discovery = response.json() userinfo_endpoint = discovery.get("userinfo_endpoint") if userinfo_endpoint: logger.debug( f"Using Nextcloud userinfo endpoint from discovery: {userinfo_endpoint}" ) return userinfo_endpoint logger.warning("No userinfo_endpoint in discovery document") return None except Exception as e: logger.error(f"Failed to query discovery document for userinfo endpoint: {e}") return None async def _query_idp_userinfo( access_token_str: str, userinfo_uri: str ) -> dict[str, Any] | None: """Query the IdP's userinfo endpoint. Args: access_token_str: The access token string userinfo_uri: The userinfo endpoint URI Returns: User info dictionary from IdP, or None if query fails """ try: async with httpx.AsyncClient(timeout=10.0) as client: response = await client.get( userinfo_uri, headers={"Authorization": f"Bearer {access_token_str}"}, ) response.raise_for_status() return response.json() except Exception as e: logger.warning(f"Failed to query IdP userinfo endpoint: {e}") return None async def _get_user_info(request: Request) -> dict[str, Any]: """Get user information for the currently authenticated user. IMPORTANT: This function reads from cached profile data stored at login time. It does NOT perform token refresh or query the IdP on every request. The profile was cached once during oauth_login_callback and is displayed from storage thereafter. This is for BROWSER UI DISPLAY ONLY. Do not use this for authorization decisions or background job authentication. Args: request: Starlette request object (must be authenticated) Returns: Dictionary containing user information from cache """ username = request.user.display_name oauth_ctx = getattr(request.app.state, "oauth_context", None) # BasicAuth mode if not oauth_ctx: return { "username": username, "auth_mode": "basic", "nextcloud_host": os.getenv("NEXTCLOUD_HOST", "unknown"), } # OAuth mode - read cached profile from browser session storage = oauth_ctx.get("storage") session_id = request.cookies.get("mcp_session") if not storage or not session_id: return { "error": "Session not found", "username": username, "auth_mode": "oauth", } try: # Check if background access was granted (refresh token exists) # This works for both Flow 2 (elicitation) and browser login token_data = await storage.get_refresh_token(session_id) background_access_granted = token_data is not None # Build background access details background_access_details = None if token_data: background_access_details = { "flow_type": token_data.get("flow_type", "unknown"), "provisioned_at": token_data.get("provisioned_at", "unknown"), "provisioning_client_id": token_data.get( "provisioning_client_id", "N/A" ), "scopes": token_data.get("scopes", "N/A"), "token_audience": token_data.get("token_audience", "unknown"), } # Retrieve cached user profile (no token operations!) profile_data = await storage.get_user_profile(session_id) # Build user context user_context = { "username": username, # From request.user.display_name (session_id) "auth_mode": "oauth", "session_id": session_id[:16] + "...", # Truncated for security "background_access_granted": background_access_granted, "background_access_details": background_access_details, } # Include cached profile if available if profile_data: user_context["idp_profile"] = profile_data logger.debug(f"Loaded cached profile for {session_id[:16]}...") else: logger.warning(f"No cached profile found for {session_id[:16]}...") user_context["idp_profile_error"] = ( "Profile not cached. Try logging out and back in." ) return user_context except Exception as e: import traceback logger.error(f"Error retrieving user info: {e}") logger.error(f"Traceback: {traceback.format_exc()}") return { "error": f"Failed to retrieve user info: {e}", "username": username, "auth_mode": "oauth", } @requires("authenticated", redirect="oauth_login") async def user_info_json(request: Request) -> JSONResponse: """User info endpoint - returns JSON with current user information. Requires authentication via session cookie (redirects to oauth_login route if not authenticated). Args: request: Starlette request object Returns: JSON response with user information """ user_info = await _get_user_info(request) return JSONResponse(user_info) @requires("authenticated", redirect="oauth_login") async def user_info_html(request: Request) -> HTMLResponse: """User info page - returns HTML with current user information. Requires authentication via session cookie (redirects to oauth_login route if not authenticated). Args: request: Starlette request object Returns: HTML response with formatted user information """ user_context = await _get_user_info(request) # Get vector sync processing status processing_status = await _get_processing_status(request) # Check if user is admin (for Webhooks tab) is_admin = False try: from nextcloud_mcp_server.auth.permissions import is_nextcloud_admin # Get authenticated Nextcloud client nc_client = await _get_authenticated_client_for_userinfo(request) is_admin = await is_nextcloud_admin(request, nc_client._client) await nc_client.close() except Exception as e: logger.warning(f"Failed to check admin status: {e}") # Default to not admin if check fails # Check for error if "error" in user_context and user_context["error"] != "": # Get login URL dynamically oauth_ctx = getattr(request.app.state, "oauth_context", None) login_url = str(request.url_for("oauth_login")) if oauth_ctx else "/oauth/login" template = _jinja_env.get_template("error.html") return HTMLResponse( content=template.render( error_title="Error Retrieving User Info", error_message=user_context["error"], login_url=login_url, ) ) # Build HTML response auth_mode = user_context.get("auth_mode", "unknown") username = user_context.get("username", "unknown") # Get logout URL dynamically for OAuth mode logout_url = "" if auth_mode == "oauth": oauth_ctx = getattr(request.app.state, "oauth_context", None) logout_url = ( str(request.url_for("oauth_logout")) if oauth_ctx else "/oauth/logout" ) # Get Nextcloud host for generating links to apps (used by viz tab) # Use public issuer URL if available (for browser-accessible links), # otherwise fall back to NEXTCLOUD_HOST from settings from nextcloud_mcp_server.config import get_settings settings = get_settings() nextcloud_host_for_links = ( os.getenv("NEXTCLOUD_PUBLIC_ISSUER_URL") or settings.nextcloud_host ) # Build host info HTML (BasicAuth only) host_info_html = "" if auth_mode == "basic": nextcloud_host = user_context.get("nextcloud_host", "unknown") host_info_html = f""" <h2>Connection</h2> <table> <tr> <td><strong>Nextcloud Host</strong></td> <td>{nextcloud_host}</td> </tr> </table> """ # Build session info HTML (OAuth only) session_info_html = "" if auth_mode == "oauth" and "session_id" in user_context: session_id = user_context.get("session_id", "unknown") background_access_granted = user_context.get("background_access_granted", False) background_details = user_context.get("background_access_details") # Build background access section background_html = "" if background_access_granted and background_details: flow_type = background_details.get("flow_type", "unknown") provisioned_at = background_details.get("provisioned_at", "unknown") scopes = background_details.get("scopes", "N/A") token_audience = background_details.get("token_audience", "unknown") background_html = f""" <tr> <td><strong>Background Access</strong></td> <td><span style="color: #4caf50; font-weight: bold;">✓ Granted</span></td> </tr> <tr> <td><strong>Flow Type</strong></td> <td>{flow_type}</td> </tr> <tr> <td><strong>Provisioned At</strong></td> <td>{provisioned_at}</td> </tr> <tr> <td><strong>Token Audience</strong></td> <td>{token_audience}</td> </tr> <tr> <td><strong>Scopes</strong></td> <td><code style="font-size: 11px;">{scopes}</code></td> </tr> """ else: background_html = """ <tr> <td><strong>Background Access</strong></td> <td><span style="color: #999;">Not Granted</span></td> </tr> """ session_info_html = f""" <h2>Session Information</h2> <table> <tr> <td><strong>Session ID</strong></td> <td><code>{session_id}</code></td> </tr> {background_html} </table> """ # Add revoke button if background access is granted if background_access_granted: revoke_url = str(request.url_for("revoke_session_endpoint")) session_info_html += f""" <div style="margin-top: 15px;"> <form method="post" action="{revoke_url}" onsubmit="return confirm('Are you sure you want to revoke background access? This will delete the refresh token.');"> <button type="submit" style="padding: 8px 16px; background-color: #ff9800; color: white; border: none; border-radius: 4px; cursor: pointer; font-size: 14px;"> Revoke Background Access </button> </form> </div> """ # Build vector sync status HTML (with htmx auto-refresh) vector_status_html = "" if processing_status: # Use htmx to load and auto-refresh the status fragment # Container div stays stable, only inner content updates every 10s vector_status_html = """ <div id="vector-sync-status" hx-get="/app/vector-sync/status" hx-trigger="load, every 10s" hx-swap="innerHTML"> <p style="color: #999;">Loading vector sync status...</p> </div> """ # Build IdP profile HTML idp_profile_html = "" if "idp_profile" in user_context: idp_profile = user_context["idp_profile"] idp_profile_html = "<h2>Identity Provider Profile</h2><table>" for key, value in idp_profile.items(): # Handle list values if isinstance(value, list): value_str = ", ".join(str(v) for v in value) else: value_str = str(value) idp_profile_html += f""" <tr> <td><strong>{key}</strong></td> <td>{value_str}</td> </tr> """ idp_profile_html += "</table>" elif "idp_profile_error" in user_context: idp_profile_html = f""" <h2>Identity Provider Profile</h2> <div class="warning">{user_context["idp_profile_error"]}</div> """ # Build user info tab content user_info_tab_html = f""" <h2>Authentication</h2> <table> <tr> <td><strong>Username</strong></td> <td>{username}</td> </tr> <tr> <td><strong>Authentication Mode</strong></td> <td><span class="badge badge-{auth_mode}">{auth_mode}</span></td> </tr> </table> {host_info_html} {session_info_html} {idp_profile_html} """ # Determine which tabs to show show_vector_sync_tab = processing_status is not None show_webhooks_tab = is_admin # Build vector sync tab content (only if enabled) vector_sync_tab_html = "" if show_vector_sync_tab: vector_sync_tab_html = vector_status_html # Build webhooks tab content (only if admin) webhooks_tab_html = "" if show_webhooks_tab: webhooks_tab_html = """ <div hx-get="/app/webhooks" hx-trigger="load" hx-swap="outerHTML"> <p style="color: #999;">Loading webhook management...</p> </div> """ # Check if vector sync is enabled (needed for Welcome tab) vector_sync_enabled = os.getenv("VECTOR_SYNC_ENABLED", "false").lower() == "true" # Render template template = _jinja_env.get_template("user_info.html") return HTMLResponse( content=template.render( user_info_tab_html=user_info_tab_html, vector_sync_tab_html=vector_sync_tab_html, webhooks_tab_html=webhooks_tab_html, show_vector_sync_tab=show_vector_sync_tab, show_webhooks_tab=show_webhooks_tab, logout_url=logout_url if auth_mode == "oauth" else None, nextcloud_host_for_links=nextcloud_host_for_links, # Additional context for Welcome tab vector_sync_enabled=vector_sync_enabled, username=username, auth_mode=auth_mode, ) ) @requires("authenticated", redirect="oauth_login") async def revoke_session(request: Request) -> HTMLResponse: """Revoke background access (delete refresh token). This endpoint allows users to revoke the refresh token that grants background access to Nextcloud resources. The session cookie remains valid for browser UI access, but background jobs will no longer work. Args: request: Starlette request object Returns: HTML response confirming revocation or showing error """ oauth_ctx = getattr(request.app.state, "oauth_context", None) if not oauth_ctx: template = _jinja_env.get_template("error.html") return HTMLResponse( content=template.render( error_title="Error", error_message="OAuth mode not enabled", ), status_code=400, ) storage = oauth_ctx.get("storage") session_id = request.cookies.get("mcp_session") if not storage or not session_id: template = _jinja_env.get_template("error.html") return HTMLResponse( content=template.render( error_title="Error", error_message="Session not found", ), status_code=400, ) try: # Delete the refresh token logger.info(f"Revoking background access for session {session_id[:16]}...") await storage.delete_refresh_token(session_id) logger.info(f"✓ Background access revoked for session {session_id[:16]}...") # Redirect back to user page user_page_url = str(request.url_for("user_info_html")) template = _jinja_env.get_template("success.html") return HTMLResponse( content=template.render( success_title="✓ Background Access Revoked", success_messages=[ "Your refresh token has been deleted successfully.", "Browser session remains active.", ], redirect_url=user_page_url, redirect_delay=2, ) ) except Exception as e: logger.error(f"Failed to revoke background access: {e}") template = _jinja_env.get_template("error.html") return HTMLResponse( content=template.render( error_title="Error", error_message=f"Failed to revoke background access: {e}", ), status_code=500, )