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In flask, I'm using the following snippet to enable HTTP auth:
def authenticate(): return Response('<Why access is denied string goes here...>', 401, {'WWW-Authenticate':'Basic realm="Login Required"'}) Now, in my past experience with Flask, if someone's credentials are incorrect and I want to let them know I can just call:
abort(401) This gives you the basic apache 401 response. Does anyone know how I can implement that with the snippet above?
Thanks
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Create a function whose only argument is the HTTP error status code, make it return a flask. Response instance, and decorate it with @app. errorhandler. You can then use abort(401) to your heart's content.
Step 1 — Using The Flask Debugger. In this step, you'll create an application that has a few errors and run it without debug mode to see how the application responds. Then you'll run it with debug mode on and use the debugger to troubleshoot application errors.
A Flask extension for adding HTTP basic access authentication to the application. app – a Flask instance. Defaults to None. If no application is provided on creation, then it can be provided later on via init_app (). Check the request for HTTP basic access authentication header and try to authenticate the user.
This gives you the basic apache 401 response. Does anyone know how I can implement that with the snippet above? Show activity on this post. Custom error responses are really quite easy in Flask. Create a function whose only argument is the HTTP error status code, make it return a flask.Response instance, and decorate it with @app.errorhandler.
Basic Auth is supported in Flask-Security, using the @http_auth_required () decorator. If a request for an endpoint protected with @http_auth_required is received, and the request doesn’t contain the appropriate HTTP Headers, a 401 is returned along with the required WWW-Authenticate header.
It is a callable object, that raises various predefined HTTP exceptions (subclasses of HTTPException) on demand. Check out the code here for details. The predefined Unauthorized (which is mapped to 401) only defines the code and a message, but not the WWW-Authenticate header, which as you know is required to trigger the login-popup with browsers.
Custom error responses are really quite easy in Flask. Create a function whose only argument is the HTTP error status code, make it return a flask.Response instance, and decorate it with @app.errorhandler.
@app.errorhandler(401) def custom_401(error): return Response('<Why access is denied string goes here...>', 401, {'WWW-Authenticate':'Basic realm="Login Required"'}) You can then use abort(401) to your heart's content.
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