resource_url_from_server_url (shared/auth_utils.py)

Utilities for OAuth 2.0 Resource Indicators (RFC 8707) and PKCE (RFC 7636).

# Source: https://github.com/modelcontextprotocol/python-sdk | License: MIT | Copyright 2024 Anthropic, PBC
# Provided via justclaw.it.com; keep this notice with the code.
"""Utilities for OAuth 2.0 Resource Indicators (RFC 8707) and PKCE (RFC 7636)."""

import time
from urllib.parse import urlparse, urlsplit, urlunsplit

from pydantic import AnyUrl, HttpUrl


def resource_url_from_server_url(url: str | HttpUrl | AnyUrl) -> str:
    """Convert server URL to canonical resource URL per RFC 8707.

    RFC 8707 section 2 states that resource URIs "MUST NOT include a fragment component".
    Returns absolute URI with lowercase scheme/host for canonical form.

    Args:
        url: Server URL to convert

    Returns:
        Canonical resource URL string
    """
    # Convert to string if neede

... (truncated -- full source via MCP)