mirror of
https://github.com/openswarm-ai/openswarm.git
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ciregenz
7eb85a7127
Anthropic as its own picker group alongside OpenSwarm Pro when both are connected so users can pick per-request
585 lines
23 KiB
Python
585 lines
23 KiB
Python
"""Auto-start and manage 9Router subprocess.
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9Router is a free AI subscription proxy that lets users connect their
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Claude/ChatGPT/Gemini subscriptions to OpenSwarm without API keys.
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It runs silently in the background on port 20128 and exposes an
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OpenAI-compatible API at localhost:20128/v1.
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"""
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import asyncio
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import logging
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import os
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import shutil
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import subprocess
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import time
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import httpx
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logger = logging.getLogger(__name__)
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NINE_ROUTER_PORT = 20128
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NINE_ROUTER_URL = f"http://localhost:{NINE_ROUTER_PORT}"
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NINE_ROUTER_API = f"{NINE_ROUTER_URL}/api"
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NINE_ROUTER_V1 = f"{NINE_ROUTER_URL}/v1"
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_process: subprocess.Popen | None = None
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# Short TTL cache for positive is_running() results. The probe is a sync
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# httpx.get that blocks the event loop, and under load (9Router busy
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# streaming inference) it can exceed its 2s timeout and return False even
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# though 9Router is fine. Caching a recent True result avoids those false
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# negatives without masking a real crash for more than _IS_RUNNING_TTL seconds.
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# Negative results are NOT cached so startup detection in ensure_running()
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# remains correct.
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_IS_RUNNING_TTL = 10.0
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_is_running_last_ok: float = 0.0
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def is_running() -> bool:
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"""Check if 9Router is running."""
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global _is_running_last_ok
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now = time.monotonic()
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if now - _is_running_last_ok < _IS_RUNNING_TTL:
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return True
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try:
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r = httpx.get(f"{NINE_ROUTER_V1}/models", timeout=2.0)
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if r.status_code == 200:
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_is_running_last_ok = now
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return True
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return False
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except Exception:
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return False
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def _find_9router_dir() -> str | None:
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"""Locate the bundled 9Router directory (works in both dev and packaged mode)."""
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_is_packaged = os.environ.get("OPENSWARM_PACKAGED") == "1"
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if _is_packaged:
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# Packaged Electron app — 9router is in extraResources
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import sys
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# In packaged mode, backend is at <resources>/backend/
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# So 9router is at <resources>/9router/
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_resources = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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_candidate = os.path.join(_resources, "9router")
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if os.path.isdir(_candidate):
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return _candidate
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else:
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# Dev mode — 9router is at project root
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_backend_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
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_project_root = os.path.dirname(_backend_dir)
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_candidate = os.path.join(_project_root, "9router")
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if os.path.isdir(_candidate):
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return _candidate
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return None
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def _find_node() -> str | None:
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"""Find a Node.js binary (works in both dev and packaged mode)."""
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# Check system node first
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node = shutil.which("node")
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if node:
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return node
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# In packaged Electron app, use the Electron binary with ELECTRON_RUN_AS_NODE=1
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electron_path = os.environ.get("OPENSWARM_ELECTRON_PATH")
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if electron_path and os.path.exists(electron_path):
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return electron_path
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return None
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async def ensure_running():
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"""Start 9Router if not already running."""
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global _process
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_is_packaged = os.environ.get("OPENSWARM_PACKAGED") == "1"
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if is_running():
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# In dev mode, kill stale standalone servers (from previous builds)
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# so we can start `next dev` which always uses latest source code
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if not _is_packaged:
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import subprocess as _sp
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try:
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result = _sp.run(
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["pgrep", "-f", "next-server"],
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capture_output=True, text=True, timeout=3,
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)
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if result.stdout.strip():
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logger.info("Dev mode: killing stale standalone 9Router to use next dev instead")
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_sp.run(["pkill", "-f", "next-server"], timeout=5)
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await asyncio.sleep(2)
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else:
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logger.info("9Router already running on port %d", NINE_ROUTER_PORT)
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return
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except Exception:
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logger.info("9Router already running on port %d", NINE_ROUTER_PORT)
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return
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else:
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logger.info("9Router already running on port %d", NINE_ROUTER_PORT)
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return
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_9router_dir = _find_9router_dir()
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if _is_packaged and _9router_dir:
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# Production mode — use pre-built standalone server
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# In packaged app, build-staging copies .next/standalone/ contents to 9router/
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# So server.js is at 9router/server.js (not 9router/.next/standalone/server.js)
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standalone_server = os.path.join(_9router_dir, "server.js")
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if not os.path.exists(standalone_server):
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# Fallback: check nested path in case build layout changes
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standalone_server = os.path.join(_9router_dir, ".next", "standalone", "server.js")
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if not os.path.exists(standalone_server):
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logger.warning("9Router standalone build not found in %s", _9router_dir)
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return
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node = _find_node()
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if not node:
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logger.warning("Node.js not found — cannot start 9Router in packaged mode.")
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return
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logger.info("Starting 9Router (production) on port %d...", NINE_ROUTER_PORT)
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cmd = [node, standalone_server]
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cwd = os.path.dirname(standalone_server)
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env = {**os.environ, "PORT": str(NINE_ROUTER_PORT), "NODE_ENV": "production"}
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# If using Electron binary as node, enable ELECTRON_RUN_AS_NODE
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if node == os.environ.get("OPENSWARM_ELECTRON_PATH"):
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env["ELECTRON_RUN_AS_NODE"] = "1"
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elif _9router_dir:
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# Dev mode with bundled 9Router — use next dev
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npx = shutil.which("npx")
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if not npx:
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logger.warning("npx not found — cannot auto-start 9Router.")
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return
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# Install deps if needed
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if not os.path.isdir(os.path.join(_9router_dir, "node_modules")):
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logger.info("Installing 9Router dependencies...")
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npm = shutil.which("npm")
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if npm:
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subprocess.run([npm, "install"], cwd=_9router_dir,
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stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL, timeout=120)
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logger.info("Starting 9Router (dev) on port %d...", NINE_ROUTER_PORT)
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cmd = [npx, "next", "dev", "--webpack", "-p", str(NINE_ROUTER_PORT)]
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cwd = _9router_dir
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env = {**os.environ, "PORT": str(NINE_ROUTER_PORT)}
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else:
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# No bundled 9Router — try npx 9router as last resort
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npx = shutil.which("npx")
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if not npx:
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logger.warning("npx not found and no bundled 9Router — cannot start.")
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return
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logger.info("Starting 9Router (npx) on port %d...", NINE_ROUTER_PORT)
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cmd = [npx, "9router"]
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cwd = None
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env = {**os.environ, "PORT": str(NINE_ROUTER_PORT)}
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# By default, 9Router's stdout/stderr go to /dev/null (Next.js dev mode
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# is extremely chatty and floods the openswarm console otherwise). When
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# debugging is needed, set OPENSWARM_DEBUG_9ROUTER=1 in the environment
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# before launching the backend — output will then be appended to
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# backend/data/9router.log line-buffered, which can be `tail -f`'d.
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if os.environ.get("OPENSWARM_DEBUG_9ROUTER"):
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_log_path = os.path.join(
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os.path.dirname(os.path.dirname(os.path.abspath(__file__))),
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"data",
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"9router.log",
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)
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os.makedirs(os.path.dirname(_log_path), exist_ok=True)
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_stdout = open(_log_path, "a", buffering=1) # line-buffered
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_stderr = subprocess.STDOUT
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logger.info(f"9Router debug logging enabled → {_log_path}")
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else:
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_stdout = subprocess.DEVNULL
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_stderr = subprocess.DEVNULL
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try:
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_process = subprocess.Popen(
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cmd,
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cwd=cwd,
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stdout=_stdout,
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stderr=_stderr,
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env=env,
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)
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# Wait up to 30 seconds for startup (production standalone is faster)
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timeout = 20 if _is_packaged else 30
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for _ in range(timeout * 2):
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await asyncio.sleep(0.5)
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if is_running():
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logger.info("9Router started successfully")
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return
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logger.warning("9Router did not start within %ds", timeout)
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except Exception as e:
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logger.warning(f"Failed to start 9Router: {e}")
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def stop():
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"""Stop the 9Router subprocess."""
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global _process
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if _process:
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try:
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_process.terminate()
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_process.wait(timeout=5)
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except Exception:
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try:
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_process.kill()
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except Exception:
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pass
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_process = None
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logger.info("9Router stopped")
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# ---------------------------------------------------------------------------
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# API proxy helpers — call 9Router's API from OpenSwarm
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# ---------------------------------------------------------------------------
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async def get_usage_stats(period: str = "all") -> dict | None:
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"""Get usage statistics from 9Router."""
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try:
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async with httpx.AsyncClient(timeout=5.0) as client:
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r = await client.get(f"{NINE_ROUTER_API}/usage/stats", params={"period": period})
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if r.status_code == 200:
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return r.json()
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except Exception as e:
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logger.debug(f"9Router usage stats fetch failed: {e}")
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return None
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async def get_providers() -> list[dict]:
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"""Get all providers and their connection status from 9Router."""
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try:
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async with httpx.AsyncClient(timeout=5.0) as client:
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r = await client.get(f"{NINE_ROUTER_API}/providers")
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if r.status_code == 200:
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return r.json()
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except Exception as e:
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logger.debug(f"9Router providers fetch failed: {e}")
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return []
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# ---------------------------------------------------------------------------
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# Per-provider OAuth redirect URIs
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# ---------------------------------------------------------------------------
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#
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# Each upstream OAuth client is registered with the identity provider against
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# a specific redirect URI. Anthropic's Claude Code client is lenient — any
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# `http://localhost:*/callback` works — so we can use 9Router's built-in
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# callback page at port 20128 for it. OpenAI's Codex client is NOT: it's
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# registered with `http://localhost:1455/auth/callback` and OpenAI rejects
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# any other redirect_uri with `unknown_error` at the auth page. Google's
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# Gemini CLI client accepts arbitrary localhost URIs so we keep 20128 there.
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#
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# For Codex specifically we spawn a one-shot HTTP listener on port 1455
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# below that serves a callback page mirroring 9Router's callback page —
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# postMessage to window.opener, BroadcastChannel fan-out, then close. This
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# lets the frontend reuse its existing Claude/Anthropic flow unchanged
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# (window.open popup + postMessage handler in Settings.tsx).
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_CODEX_CALLBACK_PORT = 1455
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_CODEX_CALLBACK_PATH = "/auth/callback"
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# Minimal callback page inlined as bytes. Mirrors 9router/src/app/callback/
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# page.js:27-55 — posts the OAuth data to window.opener via postMessage,
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# BroadcastChannel, and localStorage so whatever detection path the caller
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# is using will fire. Served to the Electron popup that OAuth redirects to.
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_CODEX_CALLBACK_HTML = b"""<!DOCTYPE html>
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<html><head><meta charset="utf-8"><title>Authorization Complete</title>
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<style>body{font-family:-apple-system,system-ui,sans-serif;background:#111;color:#eee;
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text-align:center;padding:60px 20px;margin:0}h1{font-weight:600;margin:0 0 12px}
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p{color:#888;margin:0}</style></head><body>
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<h1>Authorization Successful</h1>
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<p>This window will close automatically...</p>
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<script>
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(function() {
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var params = new URLSearchParams(window.location.search);
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var data = {
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code: params.get('code'),
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state: params.get('state'),
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error: params.get('error'),
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errorDescription: params.get('error_description'),
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fullUrl: window.location.href
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};
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// Method 1: postMessage to opener (popup mode -- primary path used by
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// Settings.tsx:316 msgHandler)
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if (window.opener) {
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try { window.opener.postMessage({ type: 'oauth_callback', data: data }, '*'); }
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catch (e) { console.log('postMessage failed:', e); }
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}
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// Method 2: BroadcastChannel (secondary relay for any same-origin listener)
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try { var ch = new BroadcastChannel('oauth_callback'); ch.postMessage(data); ch.close(); }
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catch (e) {}
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// Method 3: localStorage flag (last-resort handoff)
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try { localStorage.setItem('oauth_callback', JSON.stringify(Object.assign({}, data, { timestamp: Date.now() }))); }
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catch (e) {}
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setTimeout(function() { try { window.close(); } catch (e) {} }, 1500);
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})();
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</script>
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</body></html>"""
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async def _start_codex_callback_listener(timeout: float = 300.0) -> asyncio.base_events.Server | None:
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"""Spawn a one-shot HTTP listener on 127.0.0.1:1455 for the Codex OAuth callback.
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Serves GET /auth/callback with _CODEX_CALLBACK_HTML. After serving the
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callback (or after `timeout` seconds with no callback) the listener
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closes itself in a background task. Safe to call even if 1455 is busy —
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logs the collision and returns None so start_oauth can still proceed and
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surface whatever error OpenAI returns.
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"""
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callback_served = asyncio.Event()
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async def _handle(reader: asyncio.StreamReader, writer: asyncio.StreamWriter):
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try:
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# Read the request line ("GET /auth/callback?... HTTP/1.1\r\n")
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raw_request_line = await asyncio.wait_for(reader.readline(), timeout=5.0)
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request_line = raw_request_line.decode("latin-1", errors="replace").strip()
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# Drain headers so the browser's request is fully consumed
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while True:
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line = await asyncio.wait_for(reader.readline(), timeout=5.0)
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if not line or line in (b"\r\n", b"\n"):
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break
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# Only respond to the OAuth callback path. Chrome preflights and
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# favicon fetches get a 404 so they don't trigger the served-event.
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parts = request_line.split(" ")
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path = parts[1] if len(parts) >= 2 else ""
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method = parts[0] if parts else ""
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if method == "GET" and path.startswith(_CODEX_CALLBACK_PATH):
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body = _CODEX_CALLBACK_HTML
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response = (
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b"HTTP/1.1 200 OK\r\n"
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b"Content-Type: text/html; charset=utf-8\r\n"
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b"Content-Length: " + str(len(body)).encode("ascii") + b"\r\n"
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b"Cache-Control: no-store\r\n"
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b"Connection: close\r\n\r\n"
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+ body
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)
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writer.write(response)
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await writer.drain()
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callback_served.set()
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else:
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# Unrelated request (favicon, preflight) — 404 and move on
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writer.write(
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b"HTTP/1.1 404 Not Found\r\n"
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b"Content-Length: 0\r\n"
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b"Connection: close\r\n\r\n"
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)
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await writer.drain()
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except Exception as e:
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logger.debug(f"Codex callback listener handler error: {e}")
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finally:
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try:
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writer.close()
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await writer.wait_closed()
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except Exception:
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pass
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try:
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server = await asyncio.start_server(_handle, "127.0.0.1", _CODEX_CALLBACK_PORT)
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except OSError as e:
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# Port already in use — probably another Codex connect attempt still
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# running, or an actual Codex CLI process holding 1455. Log and bail.
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logger.warning(
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f"Could not start Codex callback listener on port {_CODEX_CALLBACK_PORT}: {e}. "
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"If another connection attempt is in progress, wait for it to finish or time out."
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)
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return None
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async def _lifecycle():
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try:
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await asyncio.wait_for(callback_served.wait(), timeout=timeout)
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# Give the served HTML a moment to run its JS (postMessage +
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# window.close) before we close the socket. Chromium closes
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# the tab on window.close() but the JS needs to run first.
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await asyncio.sleep(2.0)
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except asyncio.TimeoutError:
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logger.info(f"Codex callback listener timed out after {timeout}s")
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except Exception as e:
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logger.debug(f"Codex callback listener lifecycle error: {e}")
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finally:
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try:
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server.close()
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await server.wait_closed()
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except Exception:
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pass
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asyncio.create_task(_lifecycle())
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logger.info(f"Started Codex callback listener on http://localhost:{_CODEX_CALLBACK_PORT}{_CODEX_CALLBACK_PATH}")
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return server
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# Providers that cannot use the in-Electron `window.open` popup flow and
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# must be opened in the user's system browser instead.
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#
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# Google enforces an "Embedded WebView Restrictions" policy on its OAuth
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# consent pages that uses JS-based fingerprinting, not just user-agent
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# sniffing. We tried defeating it with a combination of Chrome UA spoof +
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# sandboxed webPreferences + fresh session partition + a preload script
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# that patches navigator.webdriver/plugins/mimeTypes/languages/chrome and
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# overrides navigator.permissions.query — it was still rejected. Google's
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# detection is a moving target and actively adversarial. The supported
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# workaround (and what Google recommends for Desktop app OAuth) is to run
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# the flow in the user's real browser via shell.openExternal.
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#
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# When a provider is in this set the frontend calls
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# window.openswarm.openExternal (shell.openExternal) instead of
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# window.open, and the callback lands on OpenSwarm's own
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# /api/subscriptions/callback endpoint (backend/main.py:138) which
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# exchanges the code and serves a "Connected!" page. Detection on the
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# OpenSwarm side happens via the existing status poller on the
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# Settings page.
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_EXTERNAL_BROWSER_PROVIDERS: set[str] = {"gemini-cli"}
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def _should_use_external_browser(provider: str) -> bool:
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return provider in _EXTERNAL_BROWSER_PROVIDERS
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def _backend_port() -> int:
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"""Best-effort lookup of the OpenSwarm backend HTTP port.
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Falls back to 8324 (the default in backend/main.py) if OPENSWARM_PORT
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hasn't been set yet. backend/main.py:239 sets this env var at startup
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before any request handler runs, so `start_oauth` will always see the
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correct value.
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"""
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try:
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return int(os.environ.get("OPENSWARM_PORT", "8324"))
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|
except (TypeError, ValueError):
|
|
return 8324
|
|
|
|
|
|
def _callback_uri_for_provider(provider: str) -> str:
|
|
"""Return the redirect URI to pass to 9Router's authorize endpoint.
|
|
|
|
Most providers accept 9Router's built-in callback page at port 20128.
|
|
Two special cases:
|
|
- Codex/OpenAI's OAuth client is bound to a fixed
|
|
http://localhost:1455/auth/callback URI — handled by
|
|
_start_codex_callback_listener above.
|
|
- Gemini/Google's OAuth consent page rejects embedded browsers, so we
|
|
route the callback through OpenSwarm's backend endpoint at
|
|
/api/subscriptions/callback (backend/main.py:138) which runs the
|
|
exchange itself. This is the only provider where the callback lands
|
|
on OpenSwarm's port rather than 9Router's.
|
|
"""
|
|
if provider == "codex":
|
|
return f"http://localhost:{_CODEX_CALLBACK_PORT}{_CODEX_CALLBACK_PATH}"
|
|
if provider in _EXTERNAL_BROWSER_PROVIDERS:
|
|
return f"http://localhost:{_backend_port()}/api/subscriptions/callback"
|
|
return f"http://localhost:{NINE_ROUTER_PORT}/callback"
|
|
|
|
|
|
async def start_oauth(provider: str) -> dict:
|
|
"""Start OAuth flow for a provider.
|
|
|
|
For device_code providers (github, qwen, kiro): returns {user_code, verification_uri, device_code}
|
|
For authorization_code providers (claude, codex, gemini-cli): returns {authUrl, codeVerifier, state}
|
|
"""
|
|
async with httpx.AsyncClient(timeout=15.0) as client:
|
|
# Try device-code flow first
|
|
try:
|
|
r = await client.get(f"{NINE_ROUTER_API}/oauth/{provider}/device-code")
|
|
if r.status_code == 200:
|
|
data = r.json()
|
|
return {
|
|
"flow": "device_code",
|
|
"user_code": data.get("user_code", ""),
|
|
"verification_uri": data.get("verification_uri", data.get("verification_uri_complete", "")),
|
|
"device_code": data.get("device_code", ""),
|
|
"code_verifier": data.get("codeVerifier", ""),
|
|
"extra_data": {k: v for k, v in data.items() if k.startswith("_")},
|
|
}
|
|
except Exception:
|
|
pass
|
|
|
|
# Authorization code flow. Most providers accept 9Router's own
|
|
# callback page at port 20128, but Codex's OAuth client is bound
|
|
# to a fixed http://localhost:1455/auth/callback URI — spawn an
|
|
# in-process listener on that port before returning the auth URL,
|
|
# so the popup can redirect there after login and relay the code
|
|
# back to the frontend via postMessage (same flow as Claude).
|
|
callback_url = _callback_uri_for_provider(provider)
|
|
if provider == "codex":
|
|
await _start_codex_callback_listener()
|
|
|
|
r = await client.get(
|
|
f"{NINE_ROUTER_API}/oauth/{provider}/authorize",
|
|
params={"redirect_uri": callback_url},
|
|
)
|
|
r.raise_for_status()
|
|
data = r.json()
|
|
return {
|
|
"flow": "authorization_code",
|
|
"auth_url": data.get("authUrl", ""),
|
|
"code_verifier": data.get("codeVerifier", ""),
|
|
"state": data.get("state", ""),
|
|
"redirect_uri": callback_url,
|
|
"use_external_browser": _should_use_external_browser(provider),
|
|
}
|
|
|
|
|
|
async def poll_oauth(provider: str, device_code: str, code_verifier: str | None = None, extra_data: dict | None = None) -> dict:
|
|
"""Poll for OAuth completion.
|
|
|
|
Returns: {success: true, connection: {...}} or {success: false, pending: true}
|
|
"""
|
|
body: dict = {"deviceCode": device_code}
|
|
if code_verifier:
|
|
body["codeVerifier"] = code_verifier
|
|
if extra_data:
|
|
body["extraData"] = extra_data
|
|
|
|
async with httpx.AsyncClient(timeout=15.0) as client:
|
|
r = await client.post(
|
|
f"{NINE_ROUTER_API}/oauth/{provider}/poll",
|
|
json=body,
|
|
)
|
|
r.raise_for_status()
|
|
return r.json()
|
|
|
|
|
|
async def exchange_oauth(provider: str, code: str, redirect_uri: str, code_verifier: str, state: str = "") -> dict:
|
|
"""Exchange OAuth code for tokens via 9Router."""
|
|
async with httpx.AsyncClient(timeout=15.0) as client:
|
|
r = await client.post(
|
|
f"{NINE_ROUTER_API}/oauth/{provider}/exchange",
|
|
json={
|
|
"code": code,
|
|
"redirectUri": redirect_uri,
|
|
"codeVerifier": code_verifier,
|
|
"state": state,
|
|
},
|
|
)
|
|
r.raise_for_status()
|
|
return r.json()
|
|
|
|
|
|
async def get_models() -> list[dict]:
|
|
"""Get all available models from 9Router."""
|
|
try:
|
|
async with httpx.AsyncClient(timeout=5.0) as client:
|
|
r = await client.get(f"{NINE_ROUTER_V1}/models")
|
|
if r.status_code == 200:
|
|
data = r.json()
|
|
models = data.get("data", [])
|
|
return [
|
|
{
|
|
"value": m.get("id", ""),
|
|
"label": m.get("id", "").split("/")[-1] if "/" in m.get("id", "") else m.get("id", ""),
|
|
"context_window": 200_000,
|
|
"provider": m.get("owned_by", "subscription"),
|
|
}
|
|
for m in models
|
|
]
|
|
except Exception as e:
|
|
logger.debug(f"9Router models fetch failed: {e}")
|
|
return []
|