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Allow for login with user/password to access restricted dataset #303

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11 changes: 9 additions & 2 deletions erddapy/core/url.py
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Original file line number Diff line number Diff line change
@@ -1,11 +1,12 @@
"""URL handling."""

import os
import copy
import functools
import io
from datetime import datetime
from typing import BinaryIO, Dict, List, Optional, Tuple, Union
from urllib.parse import quote_plus
from urllib.parse import quote_plus, urlparse

import httpx
import pytz
Expand All @@ -17,7 +18,13 @@

@functools.lru_cache(maxsize=128)
def _urlopen(url: str, auth: Optional[tuple] = None, **kwargs: Dict) -> BinaryIO:
response = httpx.get(url, follow_redirects=True, auth=auth, **kwargs)
with httpx.Client() as client:
p = urlparse(url)
protocol = 'tabledap' if 'tabledap' in p.path else 'griddap'
login_page = "%s://%s%s/login.html" % (p.scheme, p.netloc, p.path.split('/%s/' % protocol)[0])
client.post(login_page, data={'user': os.getenv("ERDDAP_USERNAME"), 'password': os.getenv("ERDDAP_PASSWORD")})
response = client.get(url, follow_redirects=True, auth=auth, **kwargs)

try:
response.raise_for_status()
except httpx.HTTPError as err:
Expand Down