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Create and select user_principal based on web authenticated user. #179

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Create and select user_principal based on web authenticated user. #179

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18e67b7
Create user_principal based on web authenticated user.
Jul 25, 2022
f790369
Save autocreate as backend property.
Aug 15, 2022
c809829
Add autocreate to backend creation.
Aug 16, 2022
138dee5
Merge remote-tracking branch 'upstream/master'
pusateri Aug 24, 2022
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1 change: 1 addition & 0 deletions examples/xandikos.nginx.conf
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@ server {
location / {
proxy_set_header Host $http_host;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Remote-User $remote_user;
proxy_redirect off;
proxy_buffering off;
proxy_pass http://xandikos;
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8 changes: 8 additions & 0 deletions xandikos/web.py
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Expand Up @@ -1030,6 +1030,14 @@ def get_resource(self, relpath):
except KeyError:
return None

def set_principal(self, user):
principal = "/%s/" % user
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Ideally this path would be configurable, but we could leave that for a follow-up PR.

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Do you mean something like:

def set_principal(self, user, principal_path_prefix="/", principal_path_suffix="/"):
    principal = principal_path_prefix + user + principal_path_suffix

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Yep, exactly. Though we'd probably want those extra paths to come from a command-line argument/configuration file.

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Can you explain SCRIPT_NAME?

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SCRIPT_NAME is a bit of a misnomer, but it's named after a similar variable in the CGI world - it's the bit of the path to Xandikos itself. If Xandikos is under https://foo.example.com/dav/, then SCRIPT_NAME would be /dav/.

if not self.get_resource(principal):
if os.getenv("AUTOCREATE"):
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self.create_principal(
principal, create_defaults=True
)
self._mark_as_principal(principal)

class XandikosApp(webdav.WebDAVApp):
"""A wsgi App that provides a Xandikos web server."""
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5 changes: 5 additions & 0 deletions xandikos/webdav.py
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Expand Up @@ -2069,7 +2069,12 @@ def handle_wsgi_request(self, environ, start_response):
logging.debug('SCRIPT_NAME not set; assuming "".')
environ["SCRIPT_NAME"] = ""
request = WSGIRequest(environ)
remote_user = environ.get("HTTP_X_REMOTE_USER")
environ = {"SCRIPT_NAME": environ["SCRIPT_NAME"]}
if remote_user:
environ["REMOTE_USER"] = remote_user
self.backend.set_principal(remote_user)

try:
loop = asyncio.get_event_loop()
except RuntimeError:
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