[Standards] Presences of Contacts in Search Result

Phuong Vo phngt2 at gmail.com
Mon Oct 19 17:40:07 UTC 2015


Hi Dave,

Maybe I misunderstood yours, but your response states "so to see people's
presence you'd need to add them to your roster. You do this by subscribing
to their presence via a <presence type='subscribe'/> stanza." That's why I
replied for getting help with other workaround. I am appreciated your help
though.

Hi Cramer,

Thanks for your idea. I am going to try your suggestion.

Thanks,
Phuong Vo

On Mon, Oct 19, 2015 at 4:27 AM, <standards-request at xmpp.org> wrote:

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> Today's Topics:
>
>    1. Re: Presences of Contacts in Search Result (Phuong Vo)
>    2. Questions regarding Diffie-Hellman (Peter Waher)
>    3. Re: Presences of Contacts in Search Result (Dave Cridland)
>    4. Re: Presences of Contacts in Search Result (Cramer, E.R. (Eelco))
>    5. Stream Management and BOSH (Michal Piotrowski)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sun, 18 Oct 2015 16:25:04 -0700
> From: Phuong Vo <phngt2 at gmail.com>
> To: standards at xmpp.org
> Subject: Re: [Standards] Presences of Contacts in Search Result
> Message-ID: <7711C6E8-FAD0-44C3-9E33-33678847A5D0 at gmail.com>
> Content-Type: text/plain;       charset=us-ascii
>
> Hi Dave
>
> According to your reply, if I want to see presences of all contacts in
> search result, I have to add them to roster. That is just fine for single
> endpoint; however, jabber supports multiple endpoints (the same users can
> login on multiple devices) if I do this on one endpoint, all other
> endpoints will see searched contacts in the contact list which is weird
> behavior. I am not sure XMPP has a workaround for this issue. Thanks for
> your response Dave.
>
> Thanks,
> Phuong Vo
>
> > On Oct 17, 2015, at 5:00 AM, standards-request at xmpp.org wrote:
> >
> > Send Standards mailing list submissions to
> >    standards at xmpp.org
> >
> > To subscribe or unsubscribe via the World Wide Web, visit
> >    http://mail.jabber.org/mailman/listinfo/standards
> > or, via email, send a message with subject or body 'help' to
> >    standards-request at xmpp.org
> >
> > You can reach the person managing the list at
> >    standards-owner at xmpp.org
> >
> > When replying, please edit your Subject line so it is more specific
> > than "Re: Contents of Standards digest..."
> >
> >
> > Today's Topics:
> >
> >   1. Fwd: [Council] Minutes 20151014 (Kevin Smith)
> >   2. Presences of Contacts in Search Result (Phuong Vo)
> >   3. Re: Presences of Contacts in Search Result (Dave Cridland)
> >   4. Re: Fwd: [Council] Minutes 20151014 (Goffi)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Fri, 16 Oct 2015 15:08:18 +0100
> > From: Kevin Smith <kevin.smith at isode.com>
> > To: XMPP Standards <standards at xmpp.org>
> > Subject: [Standards] Fwd: [Council] Minutes 20151014
> > Message-ID: <68941690-A778-4858-8126-27CEB165A8BE at isode.com>
> > Content-Type: text/plain; charset="utf-8"
> >
> > FYI
> >
> >> Begin forwarded message:
> >>
> >> From: Kevin Smith
> >> Date: 16 October 2015 at 15:06:51 BST
> >> To: XMPP Council
> >> Subject: [Council] Minutes 20151014
> >>
> >> 1) Roll call
> >> Kev, Lance, Fippo, Dave present. Matt absent (it later transpired he?d
> tried to send apologies and failed)
> >>
> >> 2) Website review
> >>
> >> Dave asked everyone to review all the technical content on
> http://new.xmpp.org/ for correctness
> >>
> >> 3) Date of next meeting
> >>
> >> 20151021 15:00Z
> >>
> >> 4) Any other business
> >>
> >> Fippo asked if https://github.com/xsf/xeps/pull/108 satisfied Kev?s
> previous comment (it did).
> >>
> >> Kev reminded everyone about the upcoming elections.
> >>
> >> Fini
> >
> > -------------- next part --------------
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> >
> >
> > ------------------------------
> >
> > Message: 2
> > Date: Fri, 16 Oct 2015 10:14:12 -0700
> > From: Phuong Vo <phngt2 at gmail.com>
> > To: standards at xmpp.org
> > Subject: [Standards] Presences of Contacts in Search Result
> > Message-ID:
> >    <CA+wHs=z-Wo9TEj9edCGVR7tORkFDt1NsXcnaW5mEfHC3YjhLdg at mail.gmail.com>
> > Content-Type: text/plain; charset="utf-8"
> >
> > Hi,
> >
> > I am currently developing jabber client (vs Cisco Jabber server) and
> facing
> > a difficulty of getting presences of contacts (internal contacts, not
> > federated contacts) in search result if those contacts are not in my
> > contact list (not in roster). In term of XMPP protocol, could you please
> > help me how to achieve this feature? Any idea, direction are appreciated.
> >
> > Thanks,
> > Phuong Vo
> > -------------- next part --------------
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> >
> >
> > ------------------------------
> >
> > Message: 3
> > Date: Fri, 16 Oct 2015 20:07:32 +0100
> > From: Dave Cridland <dave at cridland.net>
> > To: XMPP Standards <standards at xmpp.org>
> > Subject: Re: [Standards] Presences of Contacts in Search Result
> > Message-ID:
> >    <CAKHUCzyPbA2TOJbRgmep5h65HVwCPMnRmg_RLSJHozC0025jAw at mail.gmail.com>
> > Content-Type: text/plain; charset="utf-8"
> >
> >> On 16 October 2015 at 18:14, Phuong Vo <phngt2 at gmail.com> wrote:
> >>
> >> I am currently developing jabber client (vs Cisco Jabber server) and
> >> facing a difficulty of getting presences of contacts (internal contacts,
> >> not federated contacts) in search result if those contacts are not in my
> >> contact list (not in roster). In term of XMPP protocol, could you please
> >> help me how to achieve this feature? Any idea, direction are
> appreciated.
> > You can't, by design, in standard XMPP.
> >
> > The roster is not only a contact list, but also an access control list of
> > which other jids are allowed to see your presence; so to see people's
> > presence you'd need to add them to your roster. You do this by
> subscribing
> > to their presence via a <presence type='subscribe'/> stanza.
> >
> > Dave.
> > -------------- next part --------------
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> >
> >
> > ------------------------------
> >
> > Message: 4
> > Date: Sat, 17 Oct 2015 12:55:50 +0200
> > From: Goffi <goffi at goffi.org>
> > To: XMPP Standards <standards at xmpp.org>
> > Subject: Re: [Standards] Fwd: [Council] Minutes 20151014
> > Message-ID: <1981379.Sl3HtCtIuH at dhcppc7>
> > Content-Type: text/plain; charset="utf-8"
> >
> > Le vendredi 16 octobre 2015, 15:08:18 Kevin Smith a ?crit :
> >> FYI
> >>
> >>> Begin forwarded message:
> >>>
> >>> From: Kevin Smith
> >>> Date: 16 October 2015 at 15:06:51 BST
> >>> To: XMPP Council
> >>> Subject: [Council] Minutes 20151014
> >>>
> >>> 1) Roll call
> >>> Kev, Lance, Fippo, Dave present. Matt absent (it later transpired he?d
> >>> tried to send apologies and failed)
> >>>
> >>> 2) Website review
> >>>
> >>> Dave asked everyone to review all the technical content on
> >>> http://new.xmpp.org/ for correctness
> >
> > The new website looks great, congrats ! I'm just wondering if "The most
> secure
> > messaging protocol" and "Privacy-focused" is suitable when we still
> don't have
> > a good popular solution for end to end encryption. I know there is work
> on
> > Axolotl/Omemo which fixes some stuff but:
> > 1) it's not standardised yet
> > 2) it seems to be focusing on chat
> > 3) it encodes the <body> element instead of the whole stanza
> >
> > We still lack a popular end to end full stanza encryption solution.
> >
> > Is it possible to have a focus on end 2 end encryption for the Fosdem
> XMPP
> > summit ? It's a long time issue in XMPP, and I don't think we can claim
> "the
> > most secure messaging protocol" without this fixed.
> >
> >
> > Thanks
> > Goffi
> >
> >
> > ------------------------------
> >
> > Subject: Digest Footer
> >
> > _______________________________________________
> > Standards mailing list
> > Standards at xmpp.org
> > http://mail.jabber.org/mailman/listinfo/standards
> >
> >
> > ------------------------------
> >
> > End of Standards Digest, Vol 143, Issue 21
> > ******************************************
>
>
> ------------------------------
>
> Message: 2
> Date: Mon, 19 Oct 2015 09:59:50 +0200
> From: Peter Waher <peterwaher at hotmail.com>
> To: "standards at xmpp.org" <standards at xmpp.org>, "security at xmpp.org"
>         <security at xmpp.org>
> Subject: [Standards] Questions regarding Diffie-Hellman
> Message-ID: <DUB123-W865A52AAE6A955B1DF8F7D03A0 at phx.gbl>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hello
>
> Regarding the latest report concerning vulnerabilities in the
> Diffie-Hellman key Exchange [1] (short introduction in [2]) and the logjam
> attack [3], is there anyone with experience in securing encypted channels
> or end-to-end-encrypted channels using either 2048 bit keys or elliptic
> curve cryptography? Does anyone know to which extent there are brokers that
> support such level of cryptography? Or to what extent it is even legal to
> use such level of cryptography, and where?
>
> Best regards,
> Peter Waher
>
> [1] https://weakdh.org/imperfect-forward-secrecy-ccs15.pdf
> [2]
> https://en.wikipedia.org/wiki/Diffie%E2%80%93Hellman_key_exchange#Practical_attacks_on_Internet_traffic
> [3] https://en.wikipedia.org/wiki/Logjam_(computer_security)
>
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> ------------------------------
>
> Message: 3
> Date: Mon, 19 Oct 2015 11:28:11 +0100
> From: Dave Cridland <dave at cridland.net>
> To: XMPP Standards <standards at xmpp.org>
> Subject: Re: [Standards] Presences of Contacts in Search Result
> Message-ID:
>         <CAKHUCzykJ=jSbfKwvgH6DZpACSo99_mFnh=
> BCzLPYeCH-L0T3w at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> On 19 October 2015 at 00:25, Phuong Vo <phngt2 at gmail.com> wrote:
>
> > According to your reply, if I want to see presences of all contacts in
> > search result, I have to add them to roster. That is just fine for single
> > endpoint; however, jabber supports multiple endpoints (the same users can
> > login on multiple devices) if I do this on one endpoint, all other
> > endpoints will see searched contacts in the contact list which is weird
> > behavior. I am not sure XMPP has a workaround for this issue. Thanks for
> > your response Dave.
> >
>
> You're misunderstanding.
>
> You can only see presence for those people who have given you permission to
> do so.
>
> This is intentional, and a workaround would be a security issue.
>
> Dave.
> -------------- next part --------------
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> ------------------------------
>
> Message: 4
> Date: Mon, 19 Oct 2015 10:45:36 +0000
> From: "Cramer, E.R. (Eelco)" <Eelco.Cramer at tno.nl>
> To: XMPP Standards <standards at xmpp.org>
> Subject: Re: [Standards] Presences of Contacts in Search Result
> Message-ID: <6DFFF2E2-4153-4399-BC6F-3320CC960953 at tno.nl>
> Content-Type: text/plain; charset="utf-8"
>
> For internal contact only you might want to check out:
>
> http://www.xmpp.org/extensions/xep-0144.html#entities-groupservice <
> http://www.xmpp.org/extensions/xep-0144.html#entities-groupservice>
>
> If you server administrator allows it and you server supports it.
>
> ?A group service enables an administrator to centrally define and
> administer roster groups so that they can be shared among a user population
> in an organized fashion.?
>
> "If the user has registered with a group service or been otherwise
> provisioned to use a group service, the receiving application SHOULD
> process roster item suggestions received from the service. Such processing
> MAY occur automatically (i.e., without the user's approval of each roster
> item or batch of roster items) if and only if the receiving application has
> explicitly informed the user that it will automatically process roster
> items from the service. Furthermore, the receiving application SHOULD
> periodically verify automatic processing with the user (e.g., once per
> session in which the service sends roster item suggestions to the user).?
>
> Hope this helps.
>
> > On 19 Oct 2015, at 12:28, Dave Cridland <dave at cridland.net> wrote:
> >
> > On 19 October 2015 at 00:25, Phuong Vo <phngt2 at gmail.com <mailto:
> phngt2 at gmail.com>> wrote:
> > According to your reply, if I want to see presences of all contacts in
> search result, I have to add them to roster. That is just fine for single
> endpoint; however, jabber supports multiple endpoints (the same users can
> login on multiple devices) if I do this on one endpoint, all other
> endpoints will see searched contacts in the contact list which is weird
> behavior. I am not sure XMPP has a workaround for this issue. Thanks for
> your response Dave.
> >
> > You're misunderstanding.
> >
> > You can only see presence for those people who have given you permission
> to do so.
> >
> > This is intentional, and a workaround would be a security issue.
> >
> > Dave.
>
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> ------------------------------
>
> Message: 5
> Date: Mon, 19 Oct 2015 13:27:40 +0200
> From: Michal Piotrowski <michal.piotrowski at erlang-solutions.com>
> To: standards at xmpp.org
> Subject: [Standards] Stream Management and BOSH
> Message-ID:
>         <CAGH=v4f3WP=
> MrU53sNKT3mo4y8y_fD-FXjKhuK2ObY3q3KTohw at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Hi,
>
> I don't know if this was discussed already or not but I couldn't find
> anything trustworthy about combining Stream Management with BOSH.
>
> I'd like to hear  an opinion from the community regarding using Stream
> Management over BOSH. It looks like these two can be combined but the
> questions are:
> 1. Doest this make sense?
> 2. Was Stream Management designed with BOSH in mind or only for regular TCP
> (or WS) connections?
>
> Many thanks in advance for any comment.
>
> Best regards
> Michal Piotrowski
> michal.piotrowski at erlang-solutions.com
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