import os import json import asyncio import base64 import io import logging import re import time import uuid import fitz # pymupdf import httpx from openai import AsyncOpenAI from olm import sas as olm_sas from nio import ( AsyncClient, AsyncClientConfig, LoginResponse, InviteMemberEvent, MegolmEvent, RoomEncryptedImage, RoomMessageFile, RoomMessageImage, RoomMessageText, RoomMessageUnknown, SyncResponse, UnknownEvent, KeyVerificationStart, KeyVerificationCancel, KeyVerificationKey, KeyVerificationMac, ToDeviceError, ) from nio.crypto.attachments import decrypt_attachment from livekit import api BOT_DEVICE_ID = "AIBOT" CALL_MEMBER_TYPE = "org.matrix.msc3401.call.member" MODEL_STATE_TYPE = "ai.agiliton.model" RENAME_STATE_TYPE = "ai.agiliton.auto_rename" logger = logging.getLogger("matrix-ai-bot") HOMESERVER = os.environ["MATRIX_HOMESERVER"] BOT_USER = os.environ["MATRIX_BOT_USER"] BOT_PASS = os.environ["MATRIX_BOT_PASSWORD"] LK_URL = os.environ["LIVEKIT_URL"] LK_KEY = os.environ["LIVEKIT_API_KEY"] LK_SECRET = os.environ["LIVEKIT_API_SECRET"] AGENT_NAME = os.environ.get("AGENT_NAME", "matrix-ai") STORE_PATH = os.environ.get("CRYPTO_STORE_PATH", "/data/crypto_store") CREDS_FILE = os.path.join(STORE_PATH, "credentials.json") LITELLM_URL = os.environ.get("LITELLM_BASE_URL", "") LITELLM_KEY = os.environ.get("LITELLM_API_KEY", "not-needed") DEFAULT_MODEL = os.environ.get("DEFAULT_MODEL", "claude-sonnet") WILDFILES_BASE_URL = os.environ.get("WILDFILES_BASE_URL", "") WILDFILES_ORG = os.environ.get("WILDFILES_ORG", "") USER_KEYS_FILE = os.environ.get("USER_KEYS_FILE", "/data/user_keys.json") SYSTEM_PROMPT = """You are a helpful AI assistant in a Matrix chat room. Keep answers concise but thorough. Use markdown formatting when helpful. IMPORTANT RULES — FOLLOW THESE STRICTLY: - When document context is provided below, use it to answer. Always include any links. - NEVER tell the user to run commands or type anything special. No commands exist. - NEVER mention "!ai", "!ai search", "!ai read", or any slash/bang commands. - NEVER say you cannot access files, documents, or links. - NEVER ask the user where documents are stored, how they were uploaded, or under what filename. - NEVER suggest contacting an administrator, using a web interface, or checking another system. - NEVER ask follow-up questions about document storage or file locations. - If no relevant documents were found, simply say you don't have information on that topic and ask if you can help with something else. Do NOT speculate about why or suggest the user look elsewhere. - You can see and analyze images that users send. Describe what you see when asked about an image. - You can read and analyze PDF documents that users send. Summarize content and answer questions about them. - You can generate images when asked — use the generate_image tool for any image creation, drawing, or illustration requests.""" IMAGE_GEN_TOOLS = [{ "type": "function", "function": { "name": "generate_image", "description": "Generate an image from a text description. Use when the user asks to create, draw, generate, design, or make an image/picture/photo/illustration.", "parameters": { "type": "object", "properties": { "prompt": {"type": "string", "description": "Detailed image generation prompt"} }, "required": ["prompt"] } } }] HELP_TEXT = """**AI Bot Commands** - `!ai help` — Show this help - `!ai models` — List available models - `!ai set-model ` — Set model for this room - `!ai search ` — Search documents (WildFiles) - `!ai wildfiles connect` — Connect your WildFiles account (opens browser approval) - `!ai wildfiles disconnect` — Disconnect your WildFiles account - `!ai auto-rename on|off` — Auto-rename room based on conversation topic - **@mention the bot** or start with `!ai` for a regular AI response""" class DocumentRAG: """Search WildFiles for relevant documents.""" def __init__(self, base_url: str, org: str): self.base_url = base_url.rstrip("/") self.org = org self.enabled = bool(base_url and org) async def search(self, query: str, top_k: int = 3, api_key: str | None = None) -> list[dict]: if not api_key and not self.enabled: return [] try: headers = {} body = {"query": query, "limit": top_k} if api_key: headers["X-API-Key"] = api_key else: body["organization"] = self.org async with httpx.AsyncClient(timeout=15.0) as client: resp = await client.post( f"{self.base_url}/api/v1/rag/search", json=body, headers=headers, ) resp.raise_for_status() return resp.json().get("results", []) except Exception: logger.debug("WildFiles search failed", exc_info=True) return [] async def validate_key(self, api_key: str) -> dict | None: """Validate an API key against WildFiles. Returns stats dict or None.""" if not self.base_url: return None try: async with httpx.AsyncClient(timeout=10.0) as client: resp = await client.get( f"{self.base_url}/api/v1/rag/stats", headers={"X-API-Key": api_key}, ) resp.raise_for_status() data = resp.json() if data.get("total_documents", 0) >= 0: return data except Exception: logger.debug("WildFiles key validation failed", exc_info=True) return None def format_context(self, results: list[dict]) -> str: if not results: return "" parts = ["The following documents were found in our document archive:\n"] for i, r in enumerate(results, 1): title = r.get("title", r.get("filename", "Untitled")) link = r.get("source_url") or r.get("metadata", {}).get("source_url", "") category = r.get("category", "") date = r.get("detected_date", "") content = r.get("content", "") summary = r.get("metadata", {}).get("summary", "") parts.append(f"--- Document {i}: {title} ---") if category: parts.append(f"Category: {category}") if date: parts.append(f"Date: {date}") if link: parts.append(f"Link: {link}") if summary: parts.append(f"Summary: {summary}") if content: parts.append(f"Content:\n{content}") parts.append("") # blank line between docs parts.append("Use the document content above to answer the user's question. " "When referencing documents, use markdown links: [Document Title](url). " "Never show raw URLs.") return "\n".join(parts) class Bot: def __init__(self): config = AsyncClientConfig( max_limit_exceeded=0, max_timeouts=0, store_sync_tokens=True, encryption_enabled=True, ) self.client = AsyncClient( HOMESERVER, BOT_USER, store_path=STORE_PATH, config=config, ) self.lkapi = None self.dispatched_rooms = set() self.active_calls = set() # rooms where we've sent call member event self.rag = DocumentRAG(WILDFILES_BASE_URL, WILDFILES_ORG) self.llm = AsyncOpenAI(base_url=LITELLM_URL, api_key=LITELLM_KEY) if LITELLM_URL else None self.user_keys: dict[str, str] = self._load_user_keys() # matrix_user_id -> api_key self.room_models: dict[str, str] = {} # room_id -> model name self.auto_rename_rooms: set[str] = set() # rooms with auto-rename enabled self._recent_images: dict[str, tuple[str, str, float]] = {} # room_id -> (b64, mime, timestamp) self.renamed_rooms: dict[str, float] = {} # room_id -> timestamp of last rename self._loaded_rooms: set[str] = set() # rooms where we've loaded state self._sync_token_received = False self._verifications: dict[str, dict] = {} # txn_id -> verification state self._pending_connects: dict[str, str] = {} # matrix_user_id -> device_code @staticmethod def _load_user_keys() -> dict[str, str]: if os.path.exists(USER_KEYS_FILE): try: with open(USER_KEYS_FILE) as f: return json.load(f) except Exception: logger.warning("Failed to load user keys file, starting fresh") return {} def _save_user_keys(self): try: os.makedirs(os.path.dirname(USER_KEYS_FILE), exist_ok=True) with open(USER_KEYS_FILE, "w") as f: json.dump(self.user_keys, f) except Exception: logger.exception("Failed to save user keys") async def start(self): # Restore existing session or create new one if os.path.exists(CREDS_FILE): with open(CREDS_FILE) as f: creds = json.load(f) self.client.restore_login( user_id=creds["user_id"], device_id=creds["device_id"], access_token=creds["access_token"], ) self.client.load_store() logger.info("Restored session as %s (device %s)", creds["user_id"], creds["device_id"]) else: resp = await self.client.login(BOT_PASS, device_name="ai-voice-bot") if not isinstance(resp, LoginResponse): logger.error("Login failed: %s", resp) return # Persist credentials for next restart with open(CREDS_FILE, "w") as f: json.dump({ "user_id": resp.user_id, "device_id": resp.device_id, "access_token": resp.access_token, }, f) logger.info("Logged in as %s (device %s) — credentials saved", resp.user_id, resp.device_id) if self.client.should_upload_keys: await self.client.keys_upload() self.lkapi = api.LiveKitAPI(LK_URL, LK_KEY, LK_SECRET) self.client.add_event_callback(self.on_invite, InviteMemberEvent) self.client.add_event_callback(self.on_megolm, MegolmEvent) self.client.add_event_callback(self.on_unknown, UnknownEvent) self.client.add_event_callback(self.on_text_message, RoomMessageText) self.client.add_event_callback(self.on_image_message, RoomMessageImage) self.client.add_event_callback(self.on_encrypted_image_message, RoomEncryptedImage) self.client.add_event_callback(self.on_file_message, RoomMessageFile) self.client.add_event_callback(self.on_room_unknown, RoomMessageUnknown) self.client.add_response_callback(self.on_sync, SyncResponse) self.client.add_to_device_callback(self.on_key_verification, KeyVerificationStart) self.client.add_to_device_callback(self.on_key_verification, KeyVerificationKey) self.client.add_to_device_callback(self.on_key_verification, KeyVerificationMac) self.client.add_to_device_callback(self.on_key_verification, KeyVerificationCancel) await self.client.sync_forever(timeout=30000, full_state=True) async def on_invite(self, room, event: InviteMemberEvent): if event.state_key != BOT_USER: return logger.info("Invited to %s, joining room", room.room_id) await self.client.join(room.room_id) async def on_sync(self, response: SyncResponse): """After each sync, trust all devices in our rooms.""" if not self._sync_token_received: self._sync_token_received = True logger.info("Initial sync complete, text handler active") for user_id in list(self.client.device_store.users): for device in self.client.device_store.active_user_devices(user_id): if not device.verified: self.client.verify_device(device) logger.info("Auto-trusted device %s of %s", device.device_id, user_id) async def on_unknown(self, room, event: UnknownEvent): """Handle call member state events and in-room verification.""" # Route verification events if event.type.startswith("m.key.verification."): if event.sender != BOT_USER: await self._route_verification(room, event) return if event.type != CALL_MEMBER_TYPE: return if event.sender == BOT_USER: return # ignore our own events # Non-empty content means someone started/is in a call if event.source.get("content", {}): room_id = room.room_id if room_id in self.active_calls: return logger.info("Call detected in %s from %s, joining...", room_id, event.sender) self.active_calls.add(room_id) # Get the foci_preferred from the caller's event content = event.source["content"] foci = content.get("foci_preferred", [{ "type": "livekit", "livekit_service_url": f"{HOMESERVER}/livekit-jwt-service", "livekit_alias": room_id, }]) # Extract LiveKit room name from foci and dispatch agent lk_room_name = room_id # fallback for f in foci: if f.get("type") == "livekit" and f.get("livekit_alias"): lk_room_name = f["livekit_alias"] break logger.info("LiveKit room name: %s (from foci_preferred)", lk_room_name) if room_id not in self.dispatched_rooms: try: await self.lkapi.agent_dispatch.create_dispatch( api.CreateAgentDispatchRequest( agent_name=AGENT_NAME, room=lk_room_name, ) ) self.dispatched_rooms.add(room_id) logger.info("Agent dispatched to LiveKit room %s", lk_room_name) except Exception: logger.exception("Dispatch failed for %s", lk_room_name) # Send our own call member state event call_content = { "application": "m.call", "call_id": "", "scope": "m.room", "device_id": BOT_DEVICE_ID, "expires": 7200000, "focus_active": { "type": "livekit", "focus_selection": "oldest_membership", }, "foci_preferred": foci, "m.call.intent": "audio", } state_key = f"_{BOT_USER}_{BOT_DEVICE_ID}_m.call" try: resp = await self.client.room_put_state( room_id, CALL_MEMBER_TYPE, call_content, state_key=state_key, ) logger.info("Sent call member event in %s: %s", room_id, resp) except Exception: logger.exception("Failed to send call member event in %s", room_id) else: # Empty content = someone left the call, check if anyone is still calling room_id = room.room_id if room_id in self.active_calls: # Leave the call too self.active_calls.discard(room_id) state_key = f"_{BOT_USER}_{BOT_DEVICE_ID}_m.call" try: await self.client.room_put_state( room_id, CALL_MEMBER_TYPE, {}, state_key=state_key, ) logger.info("Left call in %s", room_id) except Exception: logger.exception("Failed to leave call in %s", room_id) async def _load_room_settings(self, room_id: str): """Load persisted model and auto-rename settings from room state.""" if room_id in self._loaded_rooms: return self._loaded_rooms.add(room_id) for state_type, target in [ (MODEL_STATE_TYPE, "model"), (RENAME_STATE_TYPE, "rename"), ]: try: resp = await self.client.room_get_state_event(room_id, state_type, "") if hasattr(resp, "content"): content = resp.content if target == "model" and "model" in content: self.room_models[room_id] = content["model"] elif target == "rename" and content.get("enabled"): self.auto_rename_rooms.add(room_id) except Exception: pass # State event doesn't exist yet async def on_text_message(self, room, event: RoomMessageText): """Handle text messages: commands and AI responses.""" if event.sender == BOT_USER: return if not self._sync_token_received: return # ignore messages from initial sync / backfill # Ignore old messages (>30s) to avoid replaying history server_ts = event.server_timestamp / 1000 if time.time() - server_ts > 30: return await self._load_room_settings(room.room_id) body = event.body.strip() # Command handling if body.startswith("!ai "): cmd = body[4:].strip() await self._handle_command(room, cmd, event) return if body == "!ai": await self._send_text(room.room_id, HELP_TEXT) return # In DMs (2 members), respond to all messages; in groups, require @mention is_dm = room.member_count == 2 if not is_dm: bot_display = self.client.user_id.split(":")[0].lstrip("@") mentioned = ( BOT_USER in body or f"@{bot_display}" in body.lower() or bot_display.lower() in body.lower() ) if not mentioned: return if not self.llm: await self._send_text(room.room_id, "LLM not configured (LITELLM_BASE_URL not set).") return # Check if a recent image was sent in this room (within 60s) image_data = None cached = self._recent_images.get(room.room_id) if cached: b64, mime, ts = cached if time.time() - ts < 60: image_data = (b64, mime) del self._recent_images[room.room_id] await self.client.room_typing(room.room_id, typing_state=True) try: await self._respond_with_ai(room, body, sender=event.sender, image_data=image_data) finally: await self.client.room_typing(room.room_id, typing_state=False) async def on_image_message(self, room, event: RoomMessageImage): """Handle image messages: download, encode, and send to AI for analysis.""" if event.sender == BOT_USER: return if not self._sync_token_received: return server_ts = event.server_timestamp / 1000 if time.time() - server_ts > 30: return await self._load_room_settings(room.room_id) # In DMs respond to all images; in groups only if bot was recently @mentioned is_dm = room.member_count == 2 if not is_dm: # Check if bot was @mentioned in the image body (caption) or skip body = (event.body or "").strip() bot_display = self.client.user_id.split(":")[0].lstrip("@") mentioned = ( BOT_USER in body or f"@{bot_display}" in body.lower() or bot_display.lower() in body.lower() ) if not mentioned: return if not self.llm: await self._send_text(room.room_id, "LLM not configured (LITELLM_BASE_URL not set).") return # Download image from Matrix homeserver mxc_url = event.url if not mxc_url: return try: resp = await self.client.download(mxc=mxc_url) if not hasattr(resp, "body"): logger.warning("Image download failed for %s", mxc_url) return img_bytes = resp.body except Exception: logger.exception("Failed to download image %s", mxc_url) return # Determine MIME type mime_type = getattr(event, "mimetype", None) or "image/png" b64_data = base64.b64encode(img_bytes).decode("utf-8") caption = (event.body or "").strip() # Treat filenames (contain dots or are very long) as no caption is_filename = not caption or caption == "image" or "." in caption or len(caption) > 100 text = "What's in this image?" if is_filename else caption # Cache image for follow-up text messages self._recent_images[room.room_id] = (b64_data, mime_type, time.time()) await self.client.room_typing(room.room_id, typing_state=True) try: await self._respond_with_ai(room, text, sender=event.sender, image_data=(b64_data, mime_type)) finally: await self.client.room_typing(room.room_id, typing_state=False) async def on_encrypted_image_message(self, room, event: RoomEncryptedImage): """Handle encrypted image messages: decrypt, encode, and send to AI.""" if event.sender == BOT_USER: return if not self._sync_token_received: return server_ts = event.server_timestamp / 1000 if time.time() - server_ts > 30: return await self._load_room_settings(room.room_id) is_dm = room.member_count == 2 if not is_dm: body = (event.body or "").strip() bot_display = self.client.user_id.split(":")[0].lstrip("@") mentioned = ( BOT_USER in body or f"@{bot_display}" in body.lower() or bot_display.lower() in body.lower() ) if not mentioned: return if not self.llm: await self._send_text(room.room_id, "LLM not configured (LITELLM_BASE_URL not set).") return mxc_url = event.url if not mxc_url: return try: resp = await self.client.download(mxc=mxc_url) if not hasattr(resp, "body"): logger.warning("Encrypted image download failed for %s", mxc_url) return # Decrypt the attachment img_bytes = decrypt_attachment(resp.body, event.key["k"], event.hashes["sha256"], event.iv) except Exception: logger.exception("Failed to download/decrypt encrypted image %s", mxc_url) return mime_type = getattr(event, "mimetype", None) or "image/png" b64_data = base64.b64encode(img_bytes).decode("utf-8") caption = (event.body or "").strip() is_filename = not caption or caption == "image" or "." in caption or len(caption) > 100 text = "What's in this image?" if is_filename else caption # Cache image for follow-up text messages self._recent_images[room.room_id] = (b64_data, mime_type, time.time()) await self.client.room_typing(room.room_id, typing_state=True) try: await self._respond_with_ai(room, text, sender=event.sender, image_data=(b64_data, mime_type)) finally: await self.client.room_typing(room.room_id, typing_state=False) async def on_file_message(self, room, event: RoomMessageFile): """Handle file messages: extract text from PDFs and send to AI.""" if event.sender == BOT_USER: return if not self._sync_token_received: return server_ts = event.server_timestamp / 1000 if time.time() - server_ts > 30: return # Only handle PDFs source = event.source or {} content = source.get("content", {}) info = content.get("info", {}) mime_type = info.get("mimetype", "") filename = content.get("body", "file") if mime_type != "application/pdf" and not filename.lower().endswith(".pdf"): return await self._load_room_settings(room.room_id) # In DMs respond to all files; in groups only if bot was recently @mentioned is_dm = room.member_count == 2 if not is_dm: body = (event.body or "").strip() bot_display = self.client.user_id.split(":")[0].lstrip("@") mentioned = ( BOT_USER in body or f"@{bot_display}" in body.lower() or bot_display.lower() in body.lower() ) if not mentioned: return if not self.llm: await self._send_text(room.room_id, "LLM not configured (LITELLM_BASE_URL not set).") return # Download PDF mxc_url = event.url if not mxc_url: return try: resp = await self.client.download(mxc=mxc_url) if not hasattr(resp, "body"): logger.warning("File download failed for %s", mxc_url) return pdf_bytes = resp.body except Exception: logger.exception("Failed to download file %s", mxc_url) return # Extract text from PDF pdf_text = self._extract_pdf_text(pdf_bytes) if not pdf_text: await self._send_text(room.room_id, "I couldn't extract any text from that PDF.") return # Truncate to avoid token limits (roughly 50k chars ≈ 12k tokens) if len(pdf_text) > 50000: pdf_text = pdf_text[:50000] + "\n\n[... truncated, PDF too long ...]" user_message = f'The user sent a PDF file named "{filename}". Here is the extracted text:\n\n{pdf_text}\n\nPlease summarize or answer questions about this document.' await self.client.room_typing(room.room_id, typing_state=True) try: await self._respond_with_ai(room, user_message, sender=event.sender) finally: await self.client.room_typing(room.room_id, typing_state=False) @staticmethod def _extract_pdf_text(pdf_bytes: bytes) -> str: """Extract text from PDF bytes using pymupdf.""" try: doc = fitz.open(stream=pdf_bytes, filetype="pdf") pages = [] for i, page in enumerate(doc): text = page.get_text().strip() if text: pages.append(f"--- Page {i + 1} ---\n{text}") doc.close() return "\n\n".join(pages) except Exception: logger.exception("PDF text extraction failed") return "" async def _handle_command(self, room, cmd: str, event=None): if cmd == "help": await self._send_text(room.room_id, HELP_TEXT) elif cmd == "wildfiles connect" or cmd.startswith("wildfiles connect "): api_key = cmd[18:].strip() if cmd.startswith("wildfiles connect ") else "" await self._handle_connect(room, api_key, event) elif cmd == "wildfiles disconnect": await self._handle_disconnect(room, event) elif cmd == "models": if not self.llm: await self._send_text(room.room_id, "LLM not configured.") return try: models = await self.llm.models.list() names = sorted(m.id for m in models.data) current = self.room_models.get(room.room_id, DEFAULT_MODEL) text = "**Available models:**\n" text += "\n".join(f"- `{n}` {'← current' if n == current else ''}" for n in names) await self._send_text(room.room_id, text) except Exception: logger.exception("Failed to list models") await self._send_text(room.room_id, "Failed to fetch model list.") elif cmd.startswith("set-model "): model = cmd[10:].strip() if not model: await self._send_text(room.room_id, "Usage: `!ai set-model `") return self.room_models[room.room_id] = model # Persist in room state for cross-restart persistence try: await self.client.room_put_state( room.room_id, MODEL_STATE_TYPE, {"model": model}, state_key="", ) except Exception: logger.debug("Could not persist model to room state", exc_info=True) await self._send_text(room.room_id, f"Model set to `{model}` for this room.") elif cmd.startswith("auto-rename "): setting = cmd[12:].strip().lower() if setting not in ("on", "off"): await self._send_text(room.room_id, "Usage: `!ai auto-rename on|off`") return enabled = setting == "on" if enabled: self.auto_rename_rooms.add(room.room_id) else: self.auto_rename_rooms.discard(room.room_id) try: await self.client.room_put_state( room.room_id, RENAME_STATE_TYPE, {"enabled": enabled}, state_key="", ) except Exception: logger.debug("Could not persist auto-rename to room state", exc_info=True) status = "enabled" if enabled else "disabled" await self._send_text(room.room_id, f"Auto-rename **{status}** for this room.") elif cmd.startswith("search "): query = cmd[7:].strip() if not query: await self._send_text(room.room_id, "Usage: `!ai search `") return sender = event.sender if event else None user_api_key = self.user_keys.get(sender) if sender else None results = await self.rag.search(query, top_k=5, api_key=user_api_key) if not results: await self._send_text(room.room_id, "No documents found.") return await self._send_text(room.room_id, self.rag.format_context(results)) else: # Treat unknown commands as AI prompts if self.llm: sender = event.sender if event else None await self.client.room_typing(room.room_id, typing_state=True) try: await self._respond_with_ai(room, cmd, sender=sender) finally: await self.client.room_typing(room.room_id, typing_state=False) else: await self._send_text(room.room_id, f"Unknown command: `{cmd}`\n\n{HELP_TEXT}") async def _handle_connect(self, room, api_key: str, event=None): """Handle !ai connect — SSO device flow, or !ai connect as fallback.""" sender = event.sender if event else None if not self.rag.base_url: await self._send_text(room.room_id, "WildFiles is not configured.") return # Fallback: direct API key provided if api_key: # Redact the message containing the API key for security if event: try: await self.client.room_redact(room.room_id, event.event_id, reason="API key redacted for security") except Exception: logger.debug("Could not redact connect message", exc_info=True) stats = await self.rag.validate_key(api_key) if stats is None: await self._send_text(room.room_id, "Invalid API key. Please check and try again.") return self.user_keys[sender] = api_key self._save_user_keys() org_name = stats.get("organization", "unknown") total = stats.get("total_documents", 0) await self._send_text( room.room_id, f"Connected to WildFiles (org: **{org_name}**, {total} documents). " f"Your documents are now searchable.", ) logger.info("User %s connected WildFiles key (org: %s)", sender, org_name) return # SSO device authorization flow if sender and sender in self._pending_connects: await self._send_text(room.room_id, "A connect flow is already in progress. Please complete or wait for it to expire.") return try: async with httpx.AsyncClient(timeout=10.0) as client: resp = await client.post(f"{self.rag.base_url}/api/v1/auth/device/code") resp.raise_for_status() data = resp.json() except Exception: logger.exception("Failed to start device auth flow") await self._send_text(room.room_id, "Failed to start connection flow. Please try again later.") return device_code = data["device_code"] user_code = data["user_code"] verification_url = data["verification_url"] await self._send_text( room.room_id, f"To connect WildFiles, visit:\n\n" f"**{verification_url}**\n\n" f"and enter code: **{user_code}**\n\n" f"_This link expires in 10 minutes._", ) # Track pending connect and start polling self._pending_connects[sender] = device_code asyncio.create_task(self._poll_device_auth(room.room_id, sender, device_code)) async def _handle_disconnect(self, room, event=None): """Handle !ai disconnect — remove stored WildFiles API key.""" sender = event.sender if event else None if sender and sender in self.user_keys: del self.user_keys[sender] self._save_user_keys() await self._send_text(room.room_id, "Disconnected from WildFiles. Using default search.") logger.info("User %s disconnected WildFiles key", sender) else: await self._send_text(room.room_id, "No WildFiles account connected.") async def _poll_device_auth(self, room_id: str, sender: str, device_code: str): """Poll WildFiles for device auth approval (5s interval, 10 min max).""" poll_url = f"{self.rag.base_url}/api/v1/auth/device/status" try: for _ in range(120): # 120 * 5s = 10 min await asyncio.sleep(5) try: async with httpx.AsyncClient(timeout=10.0) as client: resp = await client.get(poll_url, params={"device_code": device_code}) resp.raise_for_status() data = resp.json() except Exception: logger.debug("Device auth poll failed, retrying", exc_info=True) continue if data["status"] == "approved": api_key = data["api_key"] org_slug = data.get("organization", "unknown") self.user_keys[sender] = api_key self._save_user_keys() await self._send_text( room_id, f"Connected to WildFiles (org: **{org_slug}**). Your documents are now searchable.", ) logger.info("User %s connected via device auth (org: %s)", sender, org_slug) return elif data["status"] == "expired": await self._send_text(room_id, "Connection flow expired. Type `!ai connect` to try again.") return # Timeout after 10 minutes await self._send_text(room_id, "Connection flow timed out. Type `!ai connect` to try again.") except asyncio.CancelledError: pass except Exception: logger.exception("Device auth polling error") await self._send_text(room_id, "Connection flow failed. Type `!ai connect` to try again.") finally: self._pending_connects.pop(sender, None) async def _respond_with_ai(self, room, user_message: str, sender: str = None, image_data: tuple = None): model = self.room_models.get(room.room_id, DEFAULT_MODEL) # Fetch conversation history FIRST (needed for query rewriting) history = [] try: resp = await self.client.room_messages( room.room_id, start=self.client.next_batch or "", limit=10 ) if hasattr(resp, "chunk"): for evt in reversed(resp.chunk): if not hasattr(evt, "body"): continue role = "assistant" if evt.sender == BOT_USER else "user" history.append({"role": role, "content": evt.body}) except Exception: logger.debug("Could not fetch room history, proceeding without context") # Rewrite query using conversation context for better RAG search search_query = await self._rewrite_query(user_message, history, model) # WildFiles document context (use per-user API key if available) user_api_key = self.user_keys.get(sender) if sender else None doc_results = await self.rag.search(search_query, api_key=user_api_key) doc_context = self.rag.format_context(doc_results) if doc_context: logger.info("RAG found %d docs for: %s (original: %s)", len(doc_results), search_query[:50], user_message[:50]) else: logger.info("RAG found 0 docs for: %s (original: %s)", search_query[:50], user_message[:50]) # Build conversation context messages = [{"role": "system", "content": SYSTEM_PROMPT}] if doc_context: messages.append({"role": "system", "content": doc_context}) messages.extend(history) # Add current user message (multimodal if image provided) if image_data: b64_str, mime_type = image_data user_content = [ {"type": "text", "text": user_message}, {"type": "image_url", "image_url": {"url": f"data:{mime_type};base64,{b64_str}"}} ] messages.append({"role": "user", "content": user_content}) else: messages.append({"role": "user", "content": user_message}) try: resp = await self.llm.chat.completions.create( model=model, messages=messages, max_tokens=2048, tools=IMAGE_GEN_TOOLS if not image_data else None, ) choice = resp.choices[0] if choice.message.tool_calls: for tc in choice.message.tool_calls: if tc.function.name == "generate_image": args = json.loads(tc.function.arguments) await self._generate_and_send_image(room.room_id, args["prompt"]) if choice.message.content: await self._send_text(room.room_id, choice.message.content) else: reply = choice.message.content await self._send_text(room.room_id, reply) # Auto-rename: only for group rooms with explicit opt-in (not DMs) if room.room_id in self.auto_rename_rooms: last_rename = self.renamed_rooms.get(room.room_id, 0) gap_seconds = time.time() - last_rename if last_rename else float("inf") if gap_seconds > 300: await self._auto_rename_room(room, user_message, reply) except Exception: logger.exception("LLM call failed") await self._send_text(room.room_id, "Sorry, I couldn't generate a response.") async def _rewrite_query(self, user_message: str, history: list[dict], model: str) -> str: """Rewrite user message into a standalone search query using conversation context.""" if not history or not self.llm: return user_message # Build a compact history summary (last 4 messages max) recent = history[-4:] context_lines = [] for msg in recent: prefix = "User" if msg["role"] == "user" else "Assistant" context_lines.append(f"{prefix}: {msg['content'][:200]}") context_text = "\n".join(context_lines) try: resp = await self.llm.chat.completions.create( model=model, messages=[ {"role": "system", "content": ( "You are a search query rewriter. Given conversation history and a new user message, " "produce a single standalone search query that resolves all pronouns and references " "(like 'this house', 'that document', 'it') using context from the conversation. " "Reply with ONLY the rewritten search query in the same language as the user message. " "No explanation, no quotes. If the message is already self-contained, return it as-is." )}, {"role": "user", "content": f"Conversation:\n{context_text}\n\nNew message: {user_message}"}, ], max_tokens=100, ) rewritten = resp.choices[0].message.content.strip().strip('"\'') if rewritten and len(rewritten) < 500: logger.info("Query rewritten: '%s' -> '%s'", user_message[:50], rewritten[:50]) return rewritten except Exception: logger.debug("Query rewrite failed, using original", exc_info=True) return user_message async def _auto_rename_room(self, room, user_message: str, ai_reply: str): """Generate a short topic title and set it as the room name (Open WebUI style).""" # Skip rename check — always generate fresh title based on current conversation try: resp = await self.llm.chat.completions.create( model=self.room_models.get(room.room_id, DEFAULT_MODEL), messages=[ {"role": "user", "content": user_message}, {"role": "assistant", "content": ai_reply[:300]}, {"role": "user", "content": ( "Generate a concise, 3-5 word title with an emoji as prefix " "that summarizes the conversation above. " "Use the same language as the conversation. " "Do not use quotation marks or formatting. " "Respond with ONLY the title, nothing else." )}, ], max_tokens=30, ) title = resp.choices[0].message.content.strip().strip('"\'') if not title or len(title) > 80 or len(title) < 3: return await self.client.room_put_state( room.room_id, "m.room.name", {"name": title}, state_key="", ) self.renamed_rooms[room.room_id] = time.time() logger.info("Auto-renamed room %s to: %s", room.room_id, title) except Exception: logger.debug("Auto-rename failed", exc_info=True) @staticmethod def _md_to_html(text: str) -> str: """Minimal markdown to HTML for Matrix formatted_body.""" import html as html_mod safe = html_mod.escape(text) # Code blocks (```...```) safe = re.sub(r"```(\w*)\n(.*?)```", r"
\2
", safe, flags=re.DOTALL) # Inline code safe = re.sub(r"`([^`]+)`", r"\1", safe) # Bold safe = re.sub(r"\*\*(.+?)\*\*", r"\1", safe) # Italic safe = re.sub(r"\*(.+?)\*", r"\1", safe) # Markdown links [text](url) — must unescape the URL parts first def _link_repl(m): import html as _h label = m.group(1) url = _h.unescape(m.group(2)) return f'{label}' safe = re.sub(r"\[([^\]]+)\]\(([^)]+)\)", _link_repl, safe) # Bare URLs (not already in an tag) safe = re.sub(r'(?)(https?://[^\s<]+)', r'\1', safe) # Line breaks safe = safe.replace("\n", "
") return safe async def _generate_and_send_image(self, room_id: str, prompt: str): """Generate an image via LiteLLM and send it to the Matrix room.""" try: resp = await self.llm.images.generate( model="dall-e-3", prompt=prompt, n=1, size="1024x1024", response_format="b64_json", ) img_b64 = resp.data[0].b64_json img_bytes = base64.b64decode(img_b64) await self._send_image(room_id, img_bytes, "image/png", "generated.png") except Exception: logger.exception("Image generation failed") await self._send_text(room_id, "Sorry, I couldn't generate that image.") async def _send_image(self, room_id: str, image_bytes: bytes, mime_type: str, filename: str): """Upload image to Matrix homeserver and send as m.image event.""" from nio import UploadResponse upload_resp, maybe_keys = await self.client.upload( data_provider=io.BytesIO(image_bytes), content_type=mime_type, filename=filename, filesize=len(image_bytes), encrypt=True, ) if not isinstance(upload_resp, UploadResponse): logger.error("Image upload failed: %s", upload_resp) await self._send_text(room_id, "Sorry, I couldn't upload the generated image.") return content = { "msgtype": "m.image", "body": filename, "info": {"mimetype": mime_type, "size": len(image_bytes)}, } if maybe_keys: content["file"] = { "url": upload_resp.content_uri, "key": maybe_keys["key"], "iv": maybe_keys["iv"], "hashes": maybe_keys["hashes"], "v": maybe_keys["v"], } else: content["url"] = upload_resp.content_uri await self.client.room_send( room_id, message_type="m.room.message", content=content, ) async def _send_text(self, room_id: str, text: str): await self.client.room_send( room_id, message_type="m.room.message", content={ "msgtype": "m.text", "body": text, "format": "org.matrix.custom.html", "formatted_body": self._md_to_html(text), }, ) async def _route_verification(self, room, event: UnknownEvent): """Route in-room verification events from UnknownEvent.""" source = event.source or {} verify_type = event.type logger.info("Verification event: %s from %s", verify_type, event.sender) if verify_type == "m.key.verification.request": await self._handle_verification_request(room, source) elif verify_type == "m.key.verification.start": await self._handle_verification_start(room, source) elif verify_type == "m.key.verification.key": await self._handle_verification_key(room, source) elif verify_type == "m.key.verification.mac": await self._handle_verification_mac(room, source) elif verify_type == "m.key.verification.cancel": content = source.get("content", {}) txn = content.get("m.relates_to", {}).get("event_id", "") self._verifications.pop(txn, None) logger.info("Verification cancelled: %s", txn) elif verify_type == "m.key.verification.done": pass # Other side confirmed done async def on_room_unknown(self, room, event: RoomMessageUnknown): """Handle in-room verification events.""" source = event.source or {} content = source.get("content", {}) event_type = source.get("type", "") msgtype = content.get("msgtype", "") logger.info("RoomMessageUnknown: type=%s msgtype=%s sender=%s", event_type, msgtype, event.sender) # In-room verification events can come as m.room.message with msgtype=m.key.verification.* # or as direct event types m.key.verification.* verify_type = "" if event_type.startswith("m.key.verification."): verify_type = event_type elif msgtype.startswith("m.key.verification."): verify_type = msgtype if not verify_type: return if event.sender == BOT_USER: return logger.info("Verification event: %s from %s", verify_type, event.sender) if verify_type == "m.key.verification.request": await self._handle_verification_request(room, source) elif verify_type == "m.key.verification.start": await self._handle_verification_start(room, source) elif verify_type == "m.key.verification.key": await self._handle_verification_key(room, source) elif verify_type == "m.key.verification.mac": await self._handle_verification_mac(room, source) elif verify_type == "m.key.verification.cancel": txn = content.get("m.relates_to", {}).get("event_id", "") self._verifications.pop(txn, None) logger.info("Verification cancelled: %s", txn) async def _handle_verification_request(self, room, source): content = source["content"] txn_id = source["event_id"] sender = source["sender"] self._verifications[txn_id] = {"sender": sender, "room_id": room.room_id} logger.info("Verification request from %s, txn=%s", sender, txn_id) # Send m.key.verification.ready await self.client.room_send( room.room_id, message_type="m.key.verification.ready", content={ "m.relates_to": {"rel_type": "m.reference", "event_id": txn_id}, "from_device": self.client.device_id, "methods": ["m.sas.v1"], }, ) logger.info("Sent verification ready for %s", txn_id) async def _handle_verification_start(self, room, source): content = source["content"] txn_id = content.get("m.relates_to", {}).get("event_id", "") v = self._verifications.get(txn_id) if not v: logger.warning("Unknown verification start: %s", txn_id) return sas_obj = olm_sas.Sas() v["sas"] = sas_obj v["commitment"] = content.get("commitment", "") # Send m.key.verification.accept is NOT needed when we sent "ready" # and the other side sent "start". We go straight to sending our key. # Send m.key.verification.key await self.client.room_send( room.room_id, message_type="m.key.verification.key", content={ "m.relates_to": {"rel_type": "m.reference", "event_id": txn_id}, "key": sas_obj.pubkey, }, ) v["key_sent"] = True logger.info("Sent SAS key for %s", txn_id) async def _handle_verification_key(self, room, source): content = source["content"] txn_id = content.get("m.relates_to", {}).get("event_id", "") v = self._verifications.get(txn_id) if not v or "sas" not in v: logger.warning("Unknown verification key: %s", txn_id) return sas_obj = v["sas"] their_key = content["key"] sas_obj.set_their_pubkey(their_key) v["their_key"] = their_key # Auto-confirm SAS (bot trusts the user) # Generate MAC for our device key and master key our_user = BOT_USER our_device = self.client.device_id their_user = v["sender"] # Key IDs to MAC key_id = f"ed25519:{our_device}" device_key = self.client.olm.account.identity_keys["ed25519"] # MAC info strings per spec base_info = ( f"MATRIX_KEY_VERIFICATION_MAC" f"{our_user}{our_device}" f"{their_user}{content.get('from_device', '')}" f"{txn_id}" ) mac_dict = {} keys_list = [] # MAC our ed25519 device key mac_dict[key_id] = sas_obj.calculate_mac(device_key, base_info + key_id) keys_list.append(key_id) # MAC the key list keys_str = ",".join(sorted(keys_list)) keys_mac = sas_obj.calculate_mac(keys_str, base_info + "KEY_IDS") await self.client.room_send( room.room_id, message_type="m.key.verification.mac", content={ "m.relates_to": {"rel_type": "m.reference", "event_id": txn_id}, "mac": mac_dict, "keys": keys_mac, }, ) logger.info("Sent SAS MAC for %s", txn_id) async def _handle_verification_mac(self, room, source): content = source["content"] txn_id = content.get("m.relates_to", {}).get("event_id", "") v = self._verifications.get(txn_id) if not v: return # Verification complete — send done await self.client.room_send( room.room_id, message_type="m.key.verification.done", content={ "m.relates_to": {"rel_type": "m.reference", "event_id": txn_id}, }, ) logger.info("Verification complete for %s with %s", txn_id, v["sender"]) self._verifications.pop(txn_id, None) async def on_megolm(self, room, event: MegolmEvent): """Request keys for undecryptable messages.""" logger.warning( "Undecryptable event %s in %s from %s — requesting keys", event.event_id, room.room_id, event.sender, ) try: await self.client.request_room_key(event) except Exception: logger.debug("Key request failed", exc_info=True) async def on_key_verification(self, event): """Auto-accept key verification requests.""" if isinstance(event, KeyVerificationStart): sas = self.client.key_verifications.get(event.transaction_id) if sas: await self.client.accept_key_verification(event.transaction_id) await self.client.to_device(sas.share_key()) elif isinstance(event, KeyVerificationKey): sas = self.client.key_verifications.get(event.transaction_id) if sas: await self.client.confirm_short_auth_string(event.transaction_id) elif isinstance(event, KeyVerificationMac): sas = self.client.key_verifications.get(event.transaction_id) if sas: mac = sas.get_mac() if not isinstance(mac, ToDeviceError): await self.client.to_device(mac) async def cleanup(self): await self.client.close() if self.lkapi: await self.lkapi.aclose() async def main(): os.makedirs(STORE_PATH, exist_ok=True) bot = Bot() try: await bot.start() finally: await bot.cleanup() if __name__ == "__main__": logging.basicConfig(level=logging.INFO) asyncio.run(main())