When I use URLRead
Mathematica will popup a window like:
Actually I have given the parameters Password and Username in HTTPRequest, but they seem invalid. Any programmatic method to fill this form so it won't popup?
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1 Answer
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Pre V11 era,
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V11 update
For new functions it is enough to use documented Interactive option:
URLRead["https://httpbin.org/status/401", Interactive -> False]
Broken for URLDownload so here's a workaround:
Authentication dialog for URLDownload / URLSave
Pre V11 era, URLFetch and friends solutions
There is an undocumented option DisplayProxyDialog which prevents that:
URLFetch[
"https://httpbin.org/status/401"
, "StatusCode"
, "DisplayProxyDialog" -> False
]
As OP noticed it works for URLRead even though it does not appear in Options[URLRead] in contrary to Options[URLFetch].
When switched off you can handle 401 status code however you like, abort, prompt custom dialog etc.
I have not guessed it, WRI Support suggested it to my friend when he asked:
[...] Just informed by our development group that there is such an option (all-be-it undocumented):
"DisplayProxyDialog" -> False
to omit the authentication dialog. [...]
So I suppose this makes it safe to use.
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$\begingroup$ Would you mind tell me how did you find it?And actually I prefer to fill out this form than forbid its present. $\endgroup$yode– yode2016-10-18 20:08:33 +00:00Commented Oct 18, 2016 at 20:08
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$\begingroup$ @yode source added. you can create a loop to ask a user to feed credentials to your dialog and redo the call, or something like that. $\endgroup$Kuba– Kuba2016-10-19 03:38:34 +00:00Commented Oct 19, 2016 at 3:38
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$\begingroup$ This method solve the problem eventually. $\endgroup$yode– yode2016-10-21 05:18:55 +00:00Commented Oct 21, 2016 at 5:18