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Re: AW: [higgins-dev] FW: [osis-general] Alternative tohtml object type="application/x-informationCard" ?
|
Axel,
you're right: HTML <LINK> also supports attribute "type", i.e. MIME types
can be used.
Inconvenience of <LINK> is that these must be grouped with <HEAD>.
How about using the "requiredClaims" <PARAM> to embed a reference (e.g.
link) to policies, rather than the verbatim policy?
Kind regards,
Carl
"Nennker, Axel" <Axel.Nennker@xxxxxxxxxxxxx>
Sent by: higgins-dev-bounces@xxxxxxxxxxx
05/21/2008 07:35 PM
Please respond to
"Higgins \(Trust Framework\) Project developer discussions"
<higgins-dev@xxxxxxxxxxx>
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AW: [higgins-dev] FW: [osis-general] Alternative tohtml object
type="application/x-informationCard" ?
I varied the "link"-scheme a littel bit.
http://ignisvulpis.blogspot.com/2008/05/iiw2008a-monday-relmetadata.html
I am sure that IE can handle links and that we could write something the
could do this in IE for higgins.
I started this for Firefox and the extension now detects the <LINK ...>
and retrieves the href attribute.
Next step is to download the xrds-metadata and to act on it.
I envision that e.g. the higgins icon changes (e.g. its color) after the
metadata is retrieved and applicable cards are available.
-Axel
> -----Ursprüngliche Nachricht-----
> Von: higgins-dev-bounces@xxxxxxxxxxx
> [mailto:higgins-dev-bounces@xxxxxxxxxxx] Im Auftrag von Carl Binding
> Gesendet: Mittwoch, 21. Mai 2008 08:46
> An: Higgins (Trust Framework) Project developer discussions
> Betreff: Re: [higgins-dev] FW: [osis-general] Alternative
> tohtml object type="application/x-informationCard" ?
>
> IE triggers its extension mechanism based on HTML <OBJECT
> type="...">. Not sure the <LINK> proposal could be handled in
> the same way.
>
> Another issue may become, in the future, the "requiredClaims"
> syntax, where the currently embraced set of space separated
> URL strings (denoting identity attributes) could be replaced
> with a more elaborate claims language (as proposed in
> WS-Federation 1.2 drafts). Such claims can be embedded as
> CDATA into <PARAM value="...">, but more elegant ways may exist?
>
> Kind regards,
> Carl
>
>
>
>
> "Paul Trevithick" <paul@xxxxxxxxxxxxxxxxx> Sent by:
> higgins-dev-bounces@xxxxxxxxxxx
> 05/21/2008 08:04 AM
> Please respond to
> "Higgins \(Trust Framework\) Project developer discussions"
> <higgins-dev@xxxxxxxxxxx>
>
>
> To
> "'Higgins \(Trust Framework\) Project developer discussions'"
> <higgins-dev@xxxxxxxxxxx>
> cc
>
> Subject
> [higgins-dev] FW: [osis-general] Alternative to html object
> type="application/x-informationCard" ?
>
>
>
>
>
>
> I'm reposting Axel's message to see if perhaps it will solicit more
> reaction
> on the higgins-dev list...
>
> -----Original Message-----
> From: osis-general-bounces@xxxxxxxxxxx
> [mailto:osis-general-bounces@xxxxxxxxxxx] On Behalf Of Nennker, Axel
> Sent: Friday, May 02, 2008 4:38 AM
> To: osis-general@xxxxxxxxxxx
> Subject: [osis-general] Alternative to html object
> type="application/x-informationCard" ?
>
> Hi,
>
> Several times while I struggled with the openinfocard id
> selector to be
> triggered by the various methods of doing this I thought that the HTML
> object element of mime type application/x-informationcard
> might not have
> been the best choice to do the browser integration.
>
> Here my current favorite alternative to HTML-object: Let us use
> http://developer.mozilla.org/en/docs/HTML:Element:link
> http://www.w3.org/TR/html4/struct/links.html#h-12.3
>
> Example1: (inline policy)
>
> <HEAD>
> <TITLE>Example Relying Party</TITLE>
> <LINK title="This is the policy related to claims"
> type="application/x-informationcard"
> rel="claims-policy"
> content="<claims-policy>
> <param name="post-token-to"
> value="https://xmldap.org/relyingparty/infocard"/>
> <param name="privacyUrl"
> value="https://xmldap.org/relyingparty/?privacy.txt"/>
> <param name="requiredClaims"
> value="
> http://schemas.xmlsoap.org/ws/2005/05/identity/claims/privatepersonal
> identifier
> http://schemas.xmlsoap.org/ws/2005/05/identity/claims/givenname
> http://schemas.xmlsoap.org/ws/2005/05/identity/claims/surname
> http://schemas.xmlsoap.org/ws/2005/05/identity/claims/emailaddress"/>
> <param name="optionalClaims"
> value="http://schemas.xmlsoap.org/ws/2005/05/identity/claims/s
> treetaddress
> http://schemas.xmlsoap.org/ws/2005/05/identity/claims/locality
> http://schemas.xmlsoap.org/ws/2005/05/identity/claims/stateorprovince
> http://schemas.xmlsoap.org/ws/2005/05/identity/claims/postalcode
> http://schemas.xmlsoap.org/ws/2005/05/identity/claims/country
> http://schemas.xmlsoap.org/ws/2005/05/identity/claims/homephone
> http://schemas.xmlsoap.org/ws/2005/05/identity/claims/otherphone
> http://schemas.xmlsoap.org/ws/2005/05/identity/claims/mobilephone
> http://schemas.xmlsoap.org/ws/2005/05/identity/claims/dateofbirth
> http://schemas.xmlsoap.org/ws/2005/05/identity/claims/gender"/>
> <param name="privacyVersion" value="1"/>
> <param name="tokenType"
> value="urn:oasis:names:tc:SAML:1.0:assertion"/>
> <claims-policy>">
>
> Or alternatively: Expressing token requirements as per ISIP
> 1.0 section
> 3.1
> Example2: (referenced policy)
> <HEAD>
> <TITLE>Example Relying Party</TITLE>
> <LINK title="This is the policy related to claims"
> type="application/xml+ws-security-policy"
> rel="claims-policy"
> href="https://xmldap.org/relyingparty/issuerpolicy.xml">
>
> This alternative uses the same method to get the issuerpolicy
> from the RP
> as
> the issuerpolicy param of the object would use.
> We need a way to express where the security token should be
> send... (Put
> this in the policy like an IdP endpoint?)
>
> ----------------
>
> So how does this help with triggering the id selector? It
> does not. The
> above is a new way to express the RP requirements.
> The triggering of the id selector is achieved through a
> rendering element
> in
> the browser that the user clicks.
> An example could be the Higgins mouse next to the address bar. Or an
> Infocard Icon next to the address bar.
> There a multiple examples of Firefox extensions that handle 'link
> rel="next"' etc.
>
> ----------------
>
> The above does not address why HTML-object is problematic,
> but anybody who
> has implemented an id selector knows.
> My major arguments:
> - The Mozilla foundation thinks that HTML-objects are for
> rendering media
> content only. So object in the HTML head section are not visible and
> therefore not rendered.
> - HTML-objects are expected to be handled by browser plugins,
> which are
> platform dependent.
> - You need javascript kungfu to suppress the "additional plugins are
> needed"
> message.
> - objects are designed to be rendered by the browser but the
> informationcard
> thingy is not rendered.
>
> -----
>
> Using LINK does not stretch the HTML-browser-rendering like
> HTML-object
> does.
> If a browser does not know the "rel" part it is simply ignored.
>
> -----
>
> I would like to start a discussion about this. Please join in.
>
> In the past I was concerned whether changing from HTML-object
> to HTML-LINK
> would hinder the acceptance/adaption of information cards.
> I think that it would not. I think "LINK" is a better way to
> express the
> requirements of the RP and "better" than HTML-object.
> And a build-in infocard icon to trigger the id selector is good.
>
> Have fun
> Axel
>
> Ps: Multiple informationcard-objects on one page are easier
> to express
> with
> HTML-object, but
> - we did not address this in the interop yet
> - This was suggested to handle alternate issuers (VISA,
> Mastercard,...)
> but
> I think this should be expressed in the policy instead.
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> Axel Nennker
> T-Systems Enterprise Services GmbH
> Goslarer Ufer 35
> D-10589 Berlin
> Email axel.nennker@xxxxxxxxxxxxx
> Tel. +49 (030) 3497 -3256
> Fax +49 (030) 3497 -3257
>
>
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