openwebui-cli/openwebui_cli/http.py
2025-12-01 04:24:51 +01:00

249 lines
8.2 KiB
Python

"""HTTP client wrapper for OpenWebUI API."""
from typing import Any
import httpx
import keyring
from .config import get_effective_config, load_config
from .errors import AuthError, NetworkError, ServerError
KEYRING_SERVICE = "openwebui-cli"
def get_token(profile: str, uri: str) -> str | None:
"""Retrieve token from system keyring."""
key = f"{profile}:{uri}"
try:
return keyring.get_password(KEYRING_SERVICE, key)
except keyring.errors.KeyringError:
# No keyring backend available; allow caller to fall back to env/CLI token.
return None
def set_token(profile: str, uri: str, token: str) -> None:
"""Store token in system keyring."""
key = f"{profile}:{uri}"
keyring.set_password(KEYRING_SERVICE, key, token)
def delete_token(profile: str, uri: str) -> None:
"""Delete token from system keyring."""
key = f"{profile}:{uri}"
try:
keyring.delete_password(KEYRING_SERVICE, key)
except keyring.errors.PasswordDeleteError:
pass # Token doesn't exist, that's fine
def create_client(
profile: str | None = None,
uri: str | None = None,
token: str | None = None,
timeout: float | None = None,
allow_unauthenticated: bool = False,
) -> httpx.Client:
"""
Create an HTTP client configured for OpenWebUI API.
Args:
profile: Profile name to use
uri: Override server URI
token: Override token (otherwise uses env var or keyring)
timeout: Request timeout in seconds
Returns:
Configured httpx.Client
"""
effective_uri, effective_profile = get_effective_config(profile, uri)
config = load_config()
# Get token with precedence: CLI param > env var > keyring
if token is None:
from .config import Settings
settings = Settings()
token = settings.openwebui_token
if token is None:
try:
token = get_token(effective_profile, effective_uri)
except keyring.errors.KeyringError as e:
raise AuthError(
"No keyring backend available.\n"
"Set OPENWEBUI_TOKEN or pass --token to use the CLI without keyring, "
"or install a keyring backend (e.g., pip install keyrings.alt)."
) from e
if token is None:
if allow_unauthenticated:
token = None
else:
raise AuthError(
"No authentication token available.\n"
"Log in with 'openwebui auth login' or provide a token via:\n"
" - env: OPENWEBUI_TOKEN\n"
" - CLI: --token <TOKEN>\n"
"If using keyring, install a backend (e.g., keyrings.alt)."
)
# Build headers
headers = {
"Content-Type": "application/json",
"Accept": "application/json",
}
if token:
headers["Authorization"] = f"Bearer {token}"
# Use config timeout if not specified
if timeout is None:
timeout = config.defaults.timeout
return httpx.Client(
base_url=effective_uri,
headers=headers,
timeout=timeout,
)
def create_async_client(
profile: str | None = None,
uri: str | None = None,
token: str | None = None,
timeout: float | None = None,
allow_unauthenticated: bool = False,
) -> httpx.AsyncClient:
"""Create an async HTTP client configured for OpenWebUI API."""
effective_uri, effective_profile = get_effective_config(profile, uri)
config = load_config()
# Get token with precedence: CLI param > env var > keyring
if token is None:
from .config import Settings
settings = Settings()
token = settings.openwebui_token
if token is None:
try:
token = get_token(effective_profile, effective_uri)
except keyring.errors.KeyringError as e:
raise AuthError(
"No keyring backend available.\n"
"Set OPENWEBUI_TOKEN or pass --token to use the CLI without keyring, "
"or install a keyring backend (e.g., pip install keyrings.alt)."
) from e
if token is None:
if not allow_unauthenticated:
raise AuthError(
"No authentication token available.\n"
"Log in with 'openwebui auth login' or provide a token via:\n"
" - env: OPENWEBUI_TOKEN\n"
" - CLI: --token <TOKEN>\n"
"If using keyring, install a backend (e.g., keyrings.alt)."
)
headers = {
"Content-Type": "application/json",
"Accept": "application/json",
}
if token:
headers["Authorization"] = f"Bearer {token}"
if timeout is None:
timeout = config.defaults.timeout
return httpx.AsyncClient(
base_url=effective_uri,
headers=headers,
timeout=timeout,
)
def handle_response(response: httpx.Response) -> dict[str, Any]:
"""
Handle API response, raising appropriate errors for failures.
Returns:
Parsed JSON response
Raises:
AuthError: For 401/403 responses
ServerError: For 5xx responses
CLIError: For other error responses
"""
if response.status_code == 401:
raise AuthError(
"Authentication required. Please run 'openwebui auth login' first.\n"
"If you recently logged in, your token may have expired."
)
elif response.status_code == 403:
raise AuthError(
"Permission denied. This operation requires higher privileges.\n"
"Possible causes:\n"
" - Your user role lacks required permissions\n"
" - The API key doesn't have sufficient access\n"
" - Try logging in again: openwebui auth login"
)
elif response.status_code == 404:
try:
error_data = response.json()
message = error_data.get("detail", error_data.get("message", "Resource not found"))
except Exception:
message = "Resource not found"
raise ServerError(
f"Not found: {message}\nCheck that the resource ID, model name, or endpoint is correct."
)
elif response.status_code >= 500:
raise ServerError(
f"Server error ({response.status_code}): {response.text}\n"
"The OpenWebUI server encountered an error.\n"
"Try again in a moment, or check server logs if you're the administrator."
)
elif response.status_code >= 400:
try:
error_data = response.json()
message = error_data.get("detail", error_data.get("message", response.text))
except Exception:
message = response.text
raise ServerError(
f"API error ({response.status_code}): {message}\n"
"Check your request parameters and try again."
)
try:
data: dict[str, Any] = response.json()
return data
except Exception:
return {"text": response.text}
def handle_request_error(error: Exception) -> None:
"""Convert httpx errors to CLI errors."""
if isinstance(error, keyring.errors.KeyringError):
raise AuthError(
"Keyring is unavailable.\n"
"Install a backend (e.g., pip install keyrings.alt) or provide a token via "
"OPENWEBUI_TOKEN / --token."
)
if isinstance(error, httpx.ConnectError):
raise NetworkError(
f"Could not connect to server: {error}\n"
"Possible solutions:\n"
" - Check that OpenWebUI is running\n"
" - Verify the URI: openwebui config init\n"
" - Try: openwebui --uri http://localhost:8080 auth login"
)
elif isinstance(error, httpx.TimeoutException):
raise NetworkError(
f"Request timed out: {error}\n"
"Possible solutions:\n"
" - Increase timeout: openwebui --timeout 60 ...\n"
" - Check your network connection\n"
" - The server might be overloaded"
)
elif isinstance(error, httpx.RequestError):
raise NetworkError(
f"Request failed: {error}\nCheck your network connection and server configuration."
)
else:
raise error