Alright.  I have tried something that seems to have circumvented the
problem.

It appears that the problem is caused by the fact that
DecodingTextReader being a subclass of XmlTextReader.  There is an
InheritanceDemand on XmlTextReader that Full Trust is required.  I
guess maybe this is new in .Net 2.0?  (http://msdn2.microsoft.com/en-
us/library/system.xml.xmltextreader.aspx:  Notes to Inheritors: This
class has an inheritance demand. Full trust is required to inherit
from XmlTextReader.)

I ended up rewriting DecodingTextReader by wrapping instead of
inheriting XmlTextReader.  That seems to be working.

Not sure about the ramification of the change, or if there is a more
elegant way to do this.  If so, I will be very interested.  But for
now, that seems to solve my problem.


On Jun 6, 11:35 am, "Frank Mantek" <[EMAIL PROTECTED]> wrote:
> Spend a bit of time today. The issue is that the website calls into the
> Google.Calendar.Dll. That DLL calls into Google.Client.Dll. That Dll has a
> delegate set to call back into the Calendar Dll during parsing. Now that
> delegate fails, with "that dll does not allow partially trusted callers".
>
> Makes currently no sense to me... I might need to sleep about it. If anyone
> has a good idea, feel free to send it :)
>
> Frank Mantek
> Google
>
> On 6/6/07, Frank Mantek <[EMAIL PROTECTED]> wrote:
>
>
>
>
>
> > Thanks a lot. I am able to reproduce this issue now easily, and, hopefully
> > can figure out how to make this work shortly.
>
> > Frank Mantek
> > Google
>
> > On 6/6/07, SzeKit Hsu <[EMAIL PROTECTED]> wrote:
>
> > > Issue submitted.  Number 57.
>
> > > SzeKit Hsu
>
> > > On Jun 6, 8:01 am, SzeKit Hsu <[EMAIL PROTECTED]> wrote:
> > > > I am using VWD, so I guess VS2005.
>
> > > > I will try to come up with something for the issue list.
>
> > > > SzeKit Hsu
>
> > > > On Jun 6, 7:41 am, "Frank Mantek" <[EMAIL PROTECTED]> wrote:
>
> > > > > last bit of info: running in a VS2005 or VS2003 environment? I plan
> > > to work
> > > > > on this in the next few days, so the less i have to do to repro it,
> > > the
> > > > > faster i get to the bottom of it.
>
> > > > > I wish those messages would be more helpful :)
>
> > > > > Ideally, if you have time, file a bug on the issue list and attach a
> > > .zip
> > > > > project.
>
> > > > > Frank Mantek
> > > > > Google
>
> > > > > On 6/5/07, SzeKit Hsu <[EMAIL PROTECTED]> wrote:
>
> > > > > > Ok.  I think I can reproduce it locally now.  I added <trust
> > > > > > level="Medium" originUrl=".*"/> in my web app's web.config to
> > > similar
> > > > > > a medium trust environment that's configured on my web host.  I
> > > can
> > > > > > reproduce the same problem in ASP.NET Development Server now.
>
> > > > > > I basically just have code that calls the client library to
> > > retrieve a
> > > > > > feed.  Nothing special I don't think.
>
> > > > > > SzeKit Hsu
>
> > > > > > On Jun 5, 12:51 pm, SzeKit Hsu <[EMAIL PROTECTED]> wrote:
> > > > > > > I believe the problem is with using the code in a shared host
> > > > > > > environment.  The same piece of code ran fine locally on my
> > > machine
> > > > > > > (VWD) but failed when I uploaded it to my web host.
>
> > > > > > > I have not tried to reproduce it locally yet (as I do not have a
> > > web
> > > > > > > server set up).  I would think (on paper) that a web server set
> > > up
> > > > > > > with medium trust should reproduce the problem?
>
> > > > > > > SzeKit Hsu
>
> > > > > > > On Jun 5, 11:26 am, "Frank Mantek" < [EMAIL PROTECTED]> wrote:
>
> > > > > > > > Can you instruct me on how to reproduce this locally? If not,
> > > i google
> > > > > > for
> > > > > > > > the information, but it's most certainly easier if i can try
> > > to set
> > > > > > this up
> > > > > > > > and see for myself.
>
> > > > > > > > Thanks
>
> > > > > > > > Frank Mantek
> > > > > > > > Google
>
> > > > > > > > On 6/5/07, SzeKit Hsu < [EMAIL PROTECTED]> wrote:
>
> > > > > > > > > I believe I am running into the same problem as
> > > laurent.  The
> > > > > > > > > exception I am getting is "
> > > System.Security.SecurityException:
> > > > > > Request
> > > > > > > > > failed"
>
> > > > > > > > > The action that failed was: InheritanceDemand
> > > > > > > > > The type of the first permission that failed was:
> > > > > > > > > System.Security.PermissionSet
> > > > > > > > > The Zone of the assembly that failed was: MyComputer
>
> > > > > > > > > As far as I can tell, the exception is thrown in this call:
> > > > > > > > > Google.GData.Client.AtomFeedParser.Parse(Stream streamInput,
> > > > > > AtomFeed
> > > > > > > > > feed)
>
> > > > > > > > > SzeKit Hsu
>
> > > > > > > > > On Jun 4, 8:23 am, "Frank Mantek" <[EMAIL PROTECTED]> wrote:
> > > > > > > > > > I need a bit more information. From what i found about
> > > this
> > > > > > particular
> > > > > > > > > > error, this normally seems to be related to the zone
> > > settings of
> > > > > > your
> > > > > > > > > > application - i have no idea if you are able to set them
> > > yourself,
> > > > > > if
> > > > > > > > > you
> > > > > > > > > > are calling into another DLL etc...
>
> > > > > > > > > > Frank Mantek
> > > > > > > > > > Google
>
> > > > > > > > > > On 6/4/07, laurent <[EMAIL PROTECTED]> wrote:
>
> > > > > > > > > > > Hi,
>
> > > > > > > > > > > Thanks for the AllowPartiallyTrustedCallers attribute!
>
> > > > > > > > > > > I query GCalendar in a small ASP.NET 2.0 project,
> > > unfortunatly
> > > > > > after
> > > > > > > > > > > deployed in my shared hoster, I get a SecurityException
> > > :
> > > > > > > > > > > "System.Security.SecurityException: Request for the
> > > permission
> > > > > > of type
> > > > > > > > > > > 'System.Security.Permissions.SecurityPermission "
>
> > > > > > > > > > > Any idea ?
>
> > > > > > > > > > > On May 25, 7:40 am, "Frank Mantek" <[EMAIL PROTECTED] >
> > > wrote:
> > > > > > > > > > > > A new version is released for binary download. This
> > > fixes
> > > > > > several
> > > > > > > > > bugs
> > > > > > > > > > > in
> > > > > > > > > > > > the spreadsheetservice, as well as handling
> > > > > > extendedProperties.
> > > > > > > > > > > Furthermore,
> > > > > > > > > > > > support for the ACL feeds is added. Finally,
> > > > > > > > > > > > ASP.NET Dlls are added that have the
> > > > > > AllowPartiallyTrustedCallers
> > > > > > > > > > > attribute
> > > > > > > > > > > > set.
>
> > > > > > > > > > > > From the release notes:
>
> > > > > > > > > > > > == 1.0.9.8 ==
> > > > > > > > > > > > - fixed a parsing bug in SpreadsheetService
> > > > > > > > > > > > - fixed a bug in GDataRequestException that would
> > > prevent
> > > > > > > > > AppsException
> > > > > > > > > > > from
> > > > > > > > > > > > accessing the server's response.
> > > > > > > > > > > > - modified AppsException to comply with new
> > > > > > GDataRequestException
> > > > > > > > > > > > - fixed a bug in CalculateBaseUri, that caused a crash
> > > if the
> > > > > > passed
> > > > > > > > > in
> > > > > > > > > > > > parameters are all NULL. This caused composite feeds
> > > > > > > > > > > >   to not load if there was a comment feed embedded
> > > > > > > > > > > > - fixed a bug in the CalendarEventEntry, it was not
> > > parsing
> > > > > > > > > > > > extendedProperties. They are now parsed
> > > > > > > > > > > >   and added correctly to the ExtensionElements
> > > > > > > > > > > > - added ACL support. This resulted in changes in the
> > > > > > > > > > > > CalendarService.Querymethod - as a CalendarService
> > > > > > > > > > > >   can now return an EventFeed or an AccessControlFeed.
> > > Added
> > > > > > Query
> > > > > > > > > > > overloads
> > > > > > > > > > > > to accept EventQuery or AclQuery and return the
> > > appropriate
> > > > > > > > > > > >   Feeds
> > > > > > > > > > > > - added a cmd line tool to query/insert/update to a
> > > service
> > > > > > based on
> > > > > > > > > > > streams
> > > > > > > > > > > > - modified the Spreadsheet service to use the new
> > > scheme of
> > > > > > service
> > > > > > > > > > > > subclassing. This should fix a bundle of issues
> > > > > > > > > > > >   with regard to entry castings.
> > > > > > > > > > > > - changed persistence of gd:extendedProperty to save
> > > the value
> > > > > > > > > > > attribute,
> > > > > > > > > > > > even if there is no data to persist
> > > > > > > > > > > > - Added an ASP.NET release (lib/ASP.NET) where the
> > > DLLs are
> > > > > > build
> > > > > > > > > with
> > > > > > > > > > > the
> > > > > > > > > > > > AllowPartiallyTrustedCallers attribute n
> > > > > > > > > > > >   enabled. Please use with caution and refer to the
> > > readme.txtin
> > > > > > > > > that
> > > > > > > > > > > > subdirectory for more information.
>
> > > > > > > > > > > > This is a recommended update for all users.
>
> > > > > > > > > > > > Go, get it from:
>
> > > > > > > > > > > >http://code.google.com/p/google-gdata/
>
> > > > > > > > > > > > Regards
>
> > > > > > > > > > > > Frank Mantek
> > > > > > > > > > > > Google- Hide quoted text -
>
> > > > > > > > > > - Show quoted text -- Hide quoted text -
>
> > > > > > > > - Show quoted text -- Hide quoted text -
>
> > > > > > > - Show quoted text -- Hide quoted text -
>
> > > > > - Show quoted text -- Hide quoted text -
>
> > > > - Show quoted text -- Hide quoted text -
>
> - Show quoted text -


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