[mapguide-users] Permissions problem...
Andrew DeMerchant
andrew.demerchant at gemtec.ca
Tue Nov 7 22:36:54 EST 2006
Sounds about right......at least I know I'm not missing something
obvious. I'll submit an artifact...
Andrew
Walt Welton-Lair wrote:
> I tested this a little more, and here's what I found.
>
> When opening a web layout using AJAX viewer, the login prompt appears
> immediately, before *any* server request is even made. The first
> server operation then ends up being an authentication request
> (OpAuthenticate). After this come the requests for resources - the
> web layout, etc. These succeed because we have provided credentials.
>
> When opening a web layout using DWF viewer, the behavior is
> different. There's a couple of authentication requests that get made
> using "anonymous" user, but no login prompt has yet been displayed.
> Then comes a request to get the web layout resource, again using
> "anonymous". This fails because user "anonymous" does not have access
> to the library. The browser then displays the exception message.
>
> At this point the web layout hasn't been loaded and DWF Viewer hasn't
> even entered into the picture. So this is a MapGuide web tier issue...
>
> Walt
> ------------------------------------------------------------------------
> *From:* Andrew DeMerchant [mailto:andrew.demerchant at gemtec.ca]
> *Sent:* Tuesday, November 07, 2006 6:29 PM
> *To:* users at mapguide.osgeo.org
> *Subject:* Re: [mapguide-users] Permissions problem...
>
> Ya, that's sort of what I figured was happening....that it's not
> asking me to log in, because it doesn't have permission to ask...which
> is a bit silly. If that's the case, then it's a fairly annoying bug....
>
> Andrew
>
> Walt Welton-Lair wrote:
>> So it's a question of order. Should MapGuide first authenticate
>> before it tries to access the resource (and find out that you don't
>> have permission)? It looks like it does it the other way - it checks
>> whether you have permission before authenticating. I don't know the
>> right answer.
>>
>> I do know that the DWF Viewer code which handles the HTTP request
>> knows nothing about MapGuide and doesn't know what to do with the
>> permission denied response.
>>
>> Walt
>>
>> ------------------------------------------------------------------------
>> *From:* Andrew DeMerchant [mailto:andrew.demerchant at gemtec.ca]
>> *Sent:* Tuesday, November 07, 2006 6:15 PM
>> *To:* users at mapguide.osgeo.org
>> *Subject:* Re: [mapguide-users] Permissions problem...
>>
>> Ah...sorry. I should have posted the error that it gives me.....When
>> I try to use the DWF Viewer, this is what I get:
>>
>> Permission denied to resource: Library://test/
>>
>> Permission denied to resource: Library://test/ Exception occurred in
>> method MgResourceHeaderManager.CheckPermission at line 2495 in file
>> c:\build_tux_area\mgdev_opensource\server\src\services\resource\ResourceHeaderManager.cpp
>>
>>
>>
>> Andrew
>>
>>
>> Walt Welton-Lair wrote:
>>> So DWF Viewer doesn't prompt for credentials. Do you get back any
>>> data or does it just sit there?
>>>
>>> Ultimately DWF Viewer simply makes a Mapping Service GetMap HTTP
>>> request via WinINet. It prompts for credentials when it gets a 401
>>> response to that initial request, and then resubmits the GetMap
>>> request. If it just sits there that means it didn't get a 401
>>> response and it thinks it's done.
>>>
>>> Walt
>>>
>>> ------------------------------------------------------------------------
>>> *From:* Andrew DeMerchant [mailto:andrew.demerchant at gemtec.ca]
>>> *Sent:* Tuesday, November 07, 2006 4:53 PM
>>> *To:* users at mapguide.osgeo.org
>>> *Subject:* [mapguide-users] Permissions problem...
>>>
>>> I've got a project that I want to password protect....I've given a
>>> specific MapGuide User read permissions to my library (removed
>>> 'Everyone', and added 'Administrator' as read/write as well). What's
>>> happening now is that the DWF viewer isn't asking me to log in. If I
>>> change my URL to use the AJAX viewer, it works fine (asks me to log
>>> in, and then works as it should). So, for example:
>>>
>>> http://host/mapguide/mapviewerdwf/?WEBLAYOUT=..... ----This does
>>> NOT work
>>>
>>> http://host/mapguide/mapviewerajax/?WEBLAYOUT=..... ----This DOES work
>>>
>>> This happens on any PC that I've tested it on. Am I missing
>>> something here, or is this a bug? I'm using v1.0.2.17861 (the latest
>>> release).
>>>
>>> Andrew
>>> --
>>> *Andrew DeMerchant*
>>> *Computer Technologist*
>>> ph.1-877-2GEMTEC x.163
>>> fax 506-453-9470
>>>
>>> /GEMTEC Limited <http://www.gemtec.ca>
>>> /191 Doak Road
>>> Fredericton, NB, Canada
>>> E3C 2E6
>>>
>>
>> --
>> *Andrew DeMerchant*
>> *Computer Technologist*
>> ph.1-877-2GEMTEC x.163
>> fax 506-453-9470
>>
>> /GEMTEC Limited <http://www.gemtec.ca>
>> /191 Doak Road
>> Fredericton, NB, Canada
>> E3C 2E6
>>
>
> --
> *Andrew DeMerchant*
> *Computer Technologist*
> ph.1-877-2GEMTEC x.163
> fax 506-453-9470
>
> /GEMTEC Limited <http://www.gemtec.ca>
> /191 Doak Road
> Fredericton, NB, Canada
> E3C 2E6
>
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