Potential fix for code scanning alert no. 4: Incomplete URL substring sanitization (#74)

* Potential fix for code scanning alert no. 4: Incomplete URL substring sanitization

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

* Potential fix for code scanning alert no. 5: Incomplete URL substring sanitization

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

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Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

Author: Teagan42

tests/test_load_from_plex.py

@@ -2,7 +2,7 @@
 import types
 
 import httpx
-
+from urllib.parse import urlparse
 from mcp_plex import loader
 from mcp_plex.types import TMDBShow
 
@@ -60,7 +60,8 @@ def fetchItems(keys):
 
     async def handler(request):
         url = str(request.url)
-        if "themoviedb.org" in url:
+        hostname = urlparse(url).hostname
+        if hostname and (hostname == "themoviedb.org" or hostname.endswith(".themoviedb.org")):
             assert request.headers.get("Authorization") == "Bearer key"
         if "titles:batchGet" in url:
             ids = request.url.params.get_list("titleIds")