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Fix: handle client-side meta refresh redirects #40

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Merged
merged 3 commits into from
Jul 22, 2025
Merged

Fix: handle client-side meta refresh redirects #40

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49a0662
handle client-side meta refresh redirects
aliyanishfaq Jul 22, 2025
60a3cff
fix: redirect domain check
aliyanishfaq Jul 22, 2025
e652664
chore: code cleaning
aliyanishfaq Jul 22, 2025
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22 changes: 20 additions & 2 deletions mcpdoc/main.py
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Original file line number Diff line number Diff line change
@@ -1,7 +1,8 @@
"""MCP Llms-txt server for docs."""

import os
from urllib.parse import urlparse
import re
from urllib.parse import urlparse, urljoin

import httpx
from markdownify import markdownify
Expand Down Expand Up @@ -229,6 +230,7 @@ def list_doc_sources() -> str:
@server.tool(description=fetch_docs_description)
async def fetch_docs(url: str) -> str:
nonlocal domains
url = url.strip()
# Handle local file paths (either as file:// URLs or direct filesystem paths)
if not _is_http_or_https(url):
abs_path = _normalize_path(url)
Expand All @@ -255,7 +257,23 @@ async def fetch_docs(url: str) -> str:
try:
response = await httpx_client.get(url, timeout=timeout)
response.raise_for_status()
return markdownify(response.text)
content = response.text

# Check for meta refresh tag which indicates a client-side redirect
match = re.search(
r'<meta http-equiv="refresh" content="[^;]+;\s*url=([^"]+)"',
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Need to incorporate allowed_domains and follow redirects into this code branch

content,
re.IGNORECASE,
)

if match:
redirect_url = match.group(1)
new_url = urljoin(str(response.url), redirect_url)
response = await httpx_client.get(new_url, timeout=timeout)
response.raise_for_status()
content = response.text

return markdownify(content)
except (httpx.HTTPStatusError, httpx.RequestError) as e:
return f"Encountered an HTTP error: {str(e)}"

Expand Down