ZashThat's gotta be a typo for jabber.org/protocol tho?
pep.Ok I'll be careful then
pep.Probably in examples?
Zashxep-0397.xml has a bunch of xmlns="https://xmpp.org/....
pep.that's fine, I won't change this one :P
pep.But yeah that should be fixed
this points to xep 30, so looks like a mistake
pep.With a bit less effort we should probably add HSTS first
pep.The 301 is already there
pep.What about: "<p>The ®ISTRAR; shall add 'urn:xmpp:idle:1' to its registry at <link url='https://xmpp.org/registrar/namespaces.html'>https://xmpp.org/registrar/namespaces.html</link>.</p>" ? Is that normative? the registrar uri
pep.(I changed to https in this quote)
ZashIt is technically a completely different URL, that doesn't have to have the same content as the http: URL
pep.err, I don't have access to the nginx that should do HSTS, do I
pep.Technically I can already do that with the nginx inside, but that will send it on both http and https, and it's invalid on http (or just useless?)
Zashwasn't 80 just serving a redirect?
pep.I should be able to check for x-forwarded-proto maybe
pep.Zash, 80, as seen from the outside, yes
pep.Not from the container
Zashthe outside won't see hsts on port 80?
pep.HSTS SHOULD(MUST?) only be on https
Zashso if the container spits it out on port 80, which is reverse-proxied to port 443 with tls
Zashthen it should all be in order
moparisthebestBrowsers will ignore it over http
pep.It will also spit it on http. But then maybe as I said I can check for X-Fowarded-For
moparisthebestSo it's fine to send it either way
pep.browsers are as compatible as one can be, because the web if full of crap
moparisthebestThe point is they never visit http again anyhow?
pep.I just like to do things properly :x
moparisthebestDon't forget to set up a redirect to https from http, and put it in the preload list :)
pep.it's already there
Zashpep.: if the public port 80 is configured to only s/http/https/ then I don't see how anyone can get hsts via http
moparisthebestDo things properly, the web, bahaha :)
pep.So I might as well ask iteam directly
pep.And not put this hack in the xeps repo
pep.Still that's probably not something for the xeps repo
pep.Maybe the website, but I feel that should go in the host's conf
ZashIs there a container that contains the conainer-container that holds the 7th proxy?
pep.Anyway, I should stop procrastinating the procrastination✎
pep.Anyway, I should stop procrastinating procrastination ✏
NeustradamusIt will be nice to have same base for all without www. etc
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edhelasI'm really tired of refusing OMEMO requests
edhelasI'm thinking of hardcoding the body detection and starting to reply automatically
Ge0rGedhelas: just blacklist the OMEMO node on your PEP
lovetoxwhats a OMEMO request?
I sent you an OMEMO encrypted message but your client doesn’t seem to support that. Find more information on https://conversations.im/omemo
lovetoxtell your contacts to disable omemo?!
edhelasyes, one by one :) if at one moment they move to conversations
Ge0rGlovetox: that's O(N*M)
Ge0rGwith N=number of contacts and M=number of devices each contact has
edhelasI'm not there to do "remote xmpp client configuration over human written messages"
lovetoxhm in Gajim you can deactivate publishing keys to the node
lovetoxbut yes this problem exists because you use a client that supports omemo ..
Ge0rGbecause you once used such a client
Ge0rGif you are on prosody < 0.11, you can restart your server to "fix" it
edhelasyes I do use Conversations sometimes, and Movim 95% of the rest of the time
ralphmpep.: there are some, mostly deferred/retracted, XEPs that use http://xmpp.org/ as the start of their namespace. I'd leave them be. If we ever resurrect them, they'd have to go with a urn one anyway.
lovetoxfastest way would probably to set the devicelist node to whitelist
Ge0rGedhelas: write a Movim plugin that subscribes to the siacs namespace and removes all devices
Ge0rGor what lovetox said
lovetoxGe0rG that does not help
lovetoxas devices are instantly republished
lovetoxyou can configure nodes in Gajim 🙂
ralphmpep.: and probably everything that still has shtml in a link should get looked at.
vanitasvitaeedhelas: does movim support Explicit Message Encryption?
edhelasvanitasvitae I as looking into that
vanitasvitaeYou could use that to determine, if a message is omemo encrypted or not
vanitasvitaeMight be better than to check the body
edhelasconversations is adding the tag ?
vanitasvitaePretty sure it does
Ge0rGlovetox: how do you configure PEP in Gajim? I've opened the "Configure services.." menu on my server, but there are no items listed and the buttons are greyed out, except for "Close"
lovetoxbecause your server does not support configuring nodes
Ge0rGlovetox: would be awesome to have that displayed in that box
lovetoxyes once i rework the dialog, its still from ancient times
Ge0rGAh, the Good Old Times!
pep.What happened about the LC on 345 BTW, did I miss any decision made about it?
Ge0rGpep.: I suppose the Board needs to vote on advancing it next.
Ge0rGOr maybe somebody can make a PR incorporating LC feedback
Ge0rGdwd: I would kindly ask you to put https://github.com/xsf/xeps/pull/752 and XEP-0410 advancement on the next Council agenda. cc jonas’
ralphmGe0rG: with the Summit happening, we haven't had a meeting to discuss the LC feedback on XEP-0345 yet. Thursday is the first opportunity.
Ge0rGThere was also a Board PR that Council was asked to look into.
goffihey there. I was thinking this morning, it would be nice to have a QR code with my jid in it on my website, so people could get it easily from phone, and it would be nice to have a way to make it easy to recognise. It's possible to put an image inside QR codes, so would not it be nice to agree on something (e.g. putting XMPP logo inside) so we could know immediatly "OK this is a XMPP identifier"? Would it make sense to have an informational XEP on this?
Ge0rGgoffi: yes, you can increase the FEC on QR codes and then just bump some picture over the middle
Guussounds like a fun little shareable service.
jonas’(forward error correction)
pep.Wasn't it "the image isn't part of the standard, it's just ignored with error correction"
Ge0rGgoffi: forward error correction. Also related: https://github.com/ge0rg/easy-xmpp-invitation
jonas’although I’% not entirely sure that’s the correct term for QR codes✎
jonas’although I’m not entirely sure that’s the correct term for QR codes ✏
goffiI know it's possible, that why I'm proposing it, we don't need much characters for a jid.
Ge0rGjonas’: but it still is FEC.
Ge0rGjust because people invent new fancy names... 🤷
pep.goffi, what do you want to do with "a JID"?
pep.Add as contact?
goffinot only on website, on visit card too
Ge0rGgoffi: what if the person scanning the code doesn't have a Jabber client yet?
goffiI just want a way to recognise immediately "oh this is a jid"
pep.goffi, have a look at what Ge0rG pasted
Ge0rGI'd put a Jabber lightbulb in it.
pep.We can probably just put a QR code there
goffiGe0rG: it's the same issue with a xmpp:email@example.com link.
goffimy point is just to have a way to recognise the QR code as XMPP related.
Ge0rGgoffi: I've heard you are good at webdev.
goffiusing http or xmpp is an other thing. There are issues with http (you have to keep a service, and it won't be catched by registered client). But that's not the point of my idea, I just wonder if it would make sense to agree on a way to recognise XMPP QR Code (image inside is one thing, we could also play with colors).
Ge0rG> it won't be catched by registered client
yaxim will catch both yax.im and conversations.im landing pages
goffiGe0rG: what do you mean ? I'm working with web sometimes yes, and on a XMPP web framework.
pep.I'd have a QR code with the XMPP logo (to add to the bikeshed discussions)
Ge0rGgoffi: the easy-xmpp-invitation project is looking for volunteers 😁
goffiGe0rG: and what I have gajim ?
Ge0rGgoffi: how do you scan images in Gajim?
goffiGe0rG: I would love to help on that, but I'm already close to burn out with my paid job + work on SàT + all side stuff (like preparing FOSDEM)
Ge0rGgoffi: alright, thanks anyway :)
goffiGe0rG: I was mentioning gajim for the contact link, a xmpp:firstname.lastname@example.org will work there, https://email@example.com wont
Ge0rGgoffi: on my OS, Gajim doesn't handle xmpp: URIs
goffiis it possible with QR code to have 2 links ? A http: one and a xmpp: one ?
Ge0rGnope. But the landing page contains an xmpp: link ;)
goffiwhat if the size is down ?
pep.Then it's down I guess
goffixmpp: will still work. I mean I get the point with https: link, and I agree on most of them, but the xmpp: is the standard way of doing, it's not linked to an entity, in short it has many advantages too.
goffiit's not linked to a client or service*
pep.goffi, what if your xmpp server is down
Ge0rGgoffi: it's got many advantages, but it doesn't work for normal people.
pep.Will the other server resend the subscription request(?)
goffipep.: it won't prevent you to add the contact, after the subscription will happen when it will be up again.
pep.goffi, ok. I wouldn't mind having the xmpp: uri in there, but then you only target people already present on xmpp
goffibest way would be to find a way to have both in a easy way, but doesn't looks like possible.
pep.(I agree we're mixing two issues, but I don't know how to entangle them)
mtavareshave two qr codes...
mtavaresjust to make it more complicated.
pep.mtavares, I think that's be even more confusing
mtavaresusing a http link works well enough, me thinks.
pep."So which one is it??" "It's the same" "Why do you have two then?" -- my mom
goffiit seems possible
pep.goffi, it's just text right, you put whatever format you want in there
jonas’pep., QR codes have multiple subformats for different payloads
jonas’partly because they use different codes for different payloads to save bits
pep.And of course this website only accepts URLs
pep.not XMPP URIs
goffiah it's just redirecting and shows the 2 links
goffipep.: yes I know, but the QR code readed need to know how to handle both.
mtavaresit's just a https link to qr-creator.
goffimtavares: yes, so not good :(
goffiI like more the second one
goffiit's neat :)
pep.yeah me too
Ge0rGThis is the moment to complain about our well-known marketing name being absolutely burned, and our official protocol name being too technical for regular people.
pep.Maybe just remove the "XMPP" from there
pep.So you don't have to pronounce it.
goffiyeah the logo only is fine I think
goffialso I think the text could be used for something else.
goffifor instance, would it make sense to distinguish QR Code depending on their use: for instance a contact to add, or an ad-hoc command to execute, or a pubsub service ?
goffiso you would but the XMPP logo, and "contact" under it instead of "xmpp"
Ge0rGdid I mention that normal people in our region consider QR codes as something awkward?
goffinearly everybody is getting use to it, it's a nice techno
taI have it on my applications as vCard. I still hope some technical employer finds it nerdy.
Ge0rGta: do you have a utm tag in it?
tawell, i don't have a link in it, so no...
taI mean application as in paper/pdf. QR-code being just contact information as vcard.
taBut i should consider tracking when applying at some online shops. they like everything i try to block ;-)
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lovetoxwoever wrote me a pm here, i cant answer because converse does not support pm 😃
ta<-- is just asking about the gajim muc not beeing reachable from some servers.
lovetoxta, would be interested what the error is
lovetoxim joined and im on jabber.at currently
taif you guide me. gajim and xml console didn't give me much feedback.
tayou can guess my JID, so we don't spam here. I am using trashserver.net (no comments on that name ;-)
lovetoxbut it should, restart gajim open xml console, join the muc and maybe wait for 1 minute, whatever the servers timeout is, at one point your server should inform you why its not possible to connect
lovetoxotherwise ask the admin
Zashlovetox: Looks like a IPv6 problem, please try to fix it.
lovetoxcan you be more specific
lovetoxim not the server admin, but i can tell him
Ge0rGIf only XMPP servers could gracefully support both IPv4 and IPv6
Ge0rGlooking at Zash
Ge0rGlovetox: traceroute to conference.gajim.org (2001:bc8:342f:101::1), 30 hops max, 80 byte packets
5 * * *
6 2001:bc8:400:1::8e (2001:bc8:400:1::8e) 27.964 ms 28.068 ms 28.263 ms
7 2001:bc8:400💯:26 (2001:bc8:400💯:26) 25.912 ms 26.035 ms 26.204 ms
8 * * *
ZashHa. Blame Link Mauve
Ge0rGZash: is he behind gajim.org?
Link MauveNo I’m not.
ZashNo, why I bumped a timeout back up to the point where it gives up completely before trying the next IP
Ge0rGZash: you bumped Link Mauve?
Ge0rGcan't you unbump him?
ZashLink Mauves toaster was too slow for the low timeout
taWell is this the cause already? I restarted gajim, have a very spammy xml console...
Ge0rGZash: can't you also increase the *other* timeout then?
Ge0rGZash: it's a bit shortsighted to break connectivity for all users of prosody just because of Link Mauve
lovetoxta i reported it to asterix but will not be fixed immediatly
ZashActually, this specific configuration still works because the write timeout here is 60s and the "give up completely" timeout is 90s
ZashBut ... this varies
dwdHi all. Do we have an incremental update for disco#items and things? I've a feeling that Sem Whited documented something that HipChat did a while back but I can't find it.
jonas’what do you mean by incremental update?
talovetox, thanks. No hurry. I was just surprised that nobody "cared" in all the other XMPP-centric MUCs ;-)
dwdSo if I have cached, for example, all the disco#items, and I now want to find what's changed instead of downloading the entire list again.
dwdSorta like XEP-0237 for Disco.
Zashlovetox: The prosody module mod_bidi might help a bit, since it reduces the number of connections that can fail
Zashdwd: Isn't that caps?
ZashOr you want caps on ... things?
ZashOr disco-sub or whatsitcalled?
dwdNot caps. Though caps on ... things would be nice, actually - good plan.
dwdBut caps doesn't do disco#items.
ZashDid caps2 do that?
ZashI'm sure we discussed some semi-recursive caps thingy recently
dwdBut yeah, if I have 1.2 quadzillion MUCs, I'd like to just fetch the three new ones and not the 1.2 quadzillion over again.
jonas’caps isn’t really incremental, either
ZashYeah. Figuring that out would be nice.
dwdjonas’, Yes, indeed.
jonas’disco#items versioning essentially
dwdI can't recall if we decided that Sam's proposal should be a XEP or even if he submitted it.
ZashI was leaning towards not returning complete results in disco#items at all and defering to some search interface
jonas’I don’t recall anything in that direction
ZashI only recall that there was "disco-(pub)sub"
dwdBut otherwise, I'll do a ProtoXEP based around '237's design if there's interest.
dwdGe0rG, RSM is good for paging, less good for incremental update.
ZashRSM is also weird if items can be removed
Guusdwd hipchat has a couple of features documented here https://docs.atlassian.com/hipchat.xmpp/latest/xmpp/rooms.html
Guusthe room push comes closest to what you describe
dwdOr... I could do it based on pubsub, and then list disco#items things in a pubsub node... somewhere.
Guus(it also does something with service discovery - but that does not seem to match your description)
Zashdwd: But if you have 1.2 quadzillion MUCs, having a cache of them locally is probably not fun anyways
Ge0rGdwd: did we solve the multiple-items-per-node pubsub problem yet?
ZashGe0rG: What problem is that?
dwdZash, True, but I have a way of having a set of MUCs I'm interested in anyway. The problem is that I have a lot of them.
dwdZash, Also, caching 1.2 quadzillion items is not fun, but fetching them anew every time is even less fun.
jonas’dwd, wouldn’t some type of search interface make more sense then?
dwdPerhaps, but I do have a few cases where I want all the disco#items.
flowdwd: I am not sure, but you are maybe looking for https://xmpp.org/extensions/xep-0366.html
flowBut I guess for a delta sync of disco#items you probably want something like disco#items versioning…
ZashHow many implement the incemental roster versioning thing?
ralphmdwd: having a pubsub node to represent available channels would definitely be interesting.
ralphmdwd: with RSM, it would be much easier to keep lists on the client side in sync.
ralphmWe kind of already have a specification for this with `pubsub#subscription_type` with the value of `nodes`, and using that in subscription options towards the root node.
Ge0rGdwd: did you receive my message further above regarding Council Agenda additions for tomorrow?
ralphmhttps://xmpp.org/extensions/xep-0248.html#notify-items suggests there's a `<create/>` element in pubsub#event to be used for notifications, but the schema in XEP-0060 doesn't current have that.
goffiI have no time to check it now, but is not this RELOAD protoxep doing something similar to jingle?
ZashBased on what dwd wrote, I wonder if it's rather something for the IETF?
ralphmToo bad the date on the inbox entries are all from yesterday.
debaclegoffi, to me XOR looks more like 0174 (Serverless), but with NAT traversal
jonas’XOR depends on '174 AFAICT
goffiOK, I've just overlooked and it looked like a way to establish a stream.
goffiinteresting then, I'll check that later.
dwdGe0rG, I've not noticed it, and would welcome an email. Travelling tonight at short notice, and I'll try to do the agenda stuff on the train.
Ge0rGdwd: sure thing
dwdSo, XEP-0366 is more or less what I was after. I think including caps, though, is probably interesting too.
Zash"I have stuff with caps hash xxxx, what's changed since?"
MattJ> Appendix A. Changes from Unicode 6.3.0 to Unicode 7.0.0
> Changes from derived property value UNASSIGNED to either PVALID or DISALLOWED.
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Ge0rGIn the context of RELOAD, I'd suggest defining an XMPP wire-format to exchange X.509 CSRs and CRTs, which could be immediately plugged into a XMPP JID-identity CA
dwdZash, No, caps can be an all-or-nothing for disco#info. But it'd save me a huge amount in this particular instance. I think an entityver thing would help with disco#items, though.
ralphmMattJ: so RFC 7622 will need an update?
pep.ralphm, thinking about <gone/> again for <moved/>, and MUC affiliations/PubSub subscriptions. I can't just return <gone/> for everything that comes pinging my account for privacy reasons. And my server doesn't know (could know, but allegedly doesn't track) these subscriptions, so..
ralphmWell, if you want to leave some kind of tombstone, but only to selected people, you kinda have to keep the former relationships, whichever way.
pep.It will work for contacts, because we have the roster
pep.But that's about the extent of what the server keeps track of, in the general case
ralphmI suppose for pubsub subscriptions it might be harder indeed.
jonas’and MUC affiliations
pep.Not even talking about server shutting down etc. yet
ralphmBut this is one of the reasons why dwd suggested PAM, so that your server keeps track for you. When you move, you could take that with you.
pep.(I'm thinking about not considering this use-case for a first rewrite of <moved/>)
Ge0rGpep.: the hard question with roster is how to tell multiple clients of your friend, if the first client will replace unsubscribe your old JID.
pep.Ge0rG, yes I got that, you don't have to repeat it over and over, that wasn't the question
pep.I know we need a tombstone of some sort, and that was discussed
Zashpep.: This came up at summit, about needing to keep the roster, or maybe some magic hash of it
Ge0rGyou could create a PEP node with a whitelist populated with your roster when moving.
Ge0rGpep.: what's the question then? Who is allowed to see your tombstone? Either everyone or old-roster-only, I suppose
pep.Ge0rG, no that wasn't the question
pep.Ah well, yes sorry
pep.But not for the roster
pep.I'm asking for muc affiliations and pubsub subscriptions (read the question)
ralphmso couldn't you whitelist the muc services on your bookmark list (private storage or PEP) and the pubsub nodes you have received notifications from?
Ge0rGthere is no way to enumerate all your MUCs and PubSub subscriptions, unless your PAM keeps track of them all, from day 1
pep.Using bookmarks for MUC seems interesting
pep.But yeah for PubSub we'd need PAM or sth
Ge0rGbookmarks probably contain the relevant subset (what do you care if you are affiliated with a MUC you never joined)
ralphm*also*, besides leaving a tombstone, there's no reason why you couldn't send a presence with forwarding address
pep.presence is ephemeral
ralphmnot for muc rooms
Ge0rGit might suffice to let PubSub and MUCs know.
ralphmi.e. you only need to have it received once
Ge0rGbut you don't know where to send, in the first place
pep.Technically the server can know
pep.But yes that has to be done from day1
ralphmwouldn't you likely cover this by the list of muc servers that you frequent rooms of?
ralphmunless 100% is your goal, in which case good luck
jonas’gateways & transports are another topic
pep.I would hope services GC after some time being unresponsive
jonas’a tricky one, actually
jonas’I wouldn’t want to loose my biboumi MAM because I moved accounts
pep.We're really trying to sort all the problems in the world at the same time :/
pep.This thing is never going to progress
jonas’I’m calling it "enumerating"
jonas’I don’t expect your proposal to solve all of them
pep.jonas’, I guess it's time for a client-side MAM? :/
jonas’but it should enumerate them all, and clearly distinguish between those which are solvable and solved, those which are likely solvable and deferred and those which are not likely solvable
jonas’client side MAM?
pep.So that you can just ditch the server archive once you've fetched it, and then have your mobile ask your desktop client for archives
jonas’I don’t want to implement the server side of MAM things in a client
jonas’huge complexity, especially with Smart MAM ahead
jonas’(and how about the clients which have the "I don’t want to store everything locally anyways" philosophy)
pep.It's really not the first time I hear about it though
jonas’yeah, you hear from it mostly from crypto fashionistas
jonas’who want to solve the PFS problem with a huge pile of complexity
Ge0rG...and then end up talking with people who just dump everything into sqlite
pep.Anyway, this is not a crypto party, the topic is different
Ge0rGbut you can't just just expose your new JID to every entity that claims to be a pubsub node.
jonas’in any case, client side MAM won’t solve the biboumi case
jonas’you don’t want to have that all stored on your phone anyways
pep.jonas’, it would yes? I think
ralphmI see this problem as moving house. You let your friends know. In the Netherlands you have a service that informs (selected) entities of your new address so they can update their records. Also, the occupant typically temporarily forwards stuff to you.
ralphmYou never reach 100%, and that's fine.
pep.Right. So we're inevitably going to drop mail, but yeah it's fine
pep.They'll recontact us, (or not)
ralphmAnd the rest of it is usually a thing you solve socially, out of band, not technically.
pep.Ge0rG, would you be ready to compromise on that <moved/> thing, or do you want to get all the use-cases into the one XEP
pep.If so, I'll split efforts because I'd like to have something ready by 2025 not 2030
pep.(I'm being generous)
Ge0rGpep.: you know, I was like you, back then in 2018. I thought "how hard can it be". But then I started work. And I realized...
Ge0rGSo, what exactly do you want to compromise?
Zashpep.: privacy problem of gone, needing to keep the roster
Ge0rGAlso persistent PEP with a configurable access model.
pep.I want to drop the "My server is offline" use-case. I am not sure I'll be able to support "My server is scheduled for shutdown" entirely either, because we need tombstones
pep.But I guess if your server shutdown is planned in 6 months time, that's already quite enough time to migrate most of your contacts
Ge0rGpep.: do you want to drop muc affiliation and pubsub?
pep.I don't know. At the moment I see it as something the server will have to keep track of for us, unless you have a client-side solutions
Ge0rGDo you want to support users migrating from prosody < 0.11?
pep.No I don't care
pep.People please update.
pep.Well, there is MAM, I can do with that if you really want
Ge0rGA cryptographic identity overlay network that works over XMPP as the routing layer
pep.yeah no thanks
pep.I wouldn't mind trying to make it future proof, as in, compatible with a possible crypto thingy that would come on top, if that's possible. But I'd like to have something out soon
pep.Actually PEP/MAM are not necessary if we do <gone/>, on the old server.
Ge0rGThe old server must support it then.
Ge0rGAlso access permissions
pep.The old server must support RFC 6120?
pep.I hope it does
pep.Ah ok I see
pep.hmm, we can prompt for support, and if not fallback(?) how is that
Ge0rG> Also access permissions
Ge0rGIs there a protocol to *configure* gone on your account?
pep.Yes, we can prompt for support on the old server, and if not PEP/MAM?
pep.We talked about adding that to IBR, so that'd be a new thing indeed
MattJThe problem with PEP is that it needs to be explicitly checked or subscribed to, and works on a client level
Ge0rGSo you'd say the default access permissions for <gone/> will be the user's last roster?
MattJ<gone> errors in response to probes are much nicer
MattJBut do require support from the migrating server
pep.MattJ, sure, they all require support on different level..
pep.*Somebody* has to support *something* :(
Ge0rGpep.: sending messages to all your contacts doesn't.
pep.Ge0rG, yes, clients need to understand MAM, and the moved payload
Ge0rGpep.: I wanted to make a protocol that gracefully degrades if it's only supported by clients on both sides.
pep.How far did you get
Ge0rGpep.: messages with a moved payload from the old and from the new account. MAM / Carbons on the receiving side as faux persistence.
pep.(all these french words)
Ge0rGpep.: maybe a private PEP node on the receiving side where the first client can store the Moved from-to pair
pep.yeah I remember these discussions, and I'm fine with that
pep.I thought that was dealt with already
Ge0rGBut then there is a nice race condition on populating that PEP node.
Ge0rGpep.: not written down yet.
pep.Ok, let's do it then
Ge0rGpep.: you want to continue the work? I can commit and push my last sad state.
Ge0rGA compliant server could process a Moved PEP node on your account, and send a gone error to entities that are allowed to read that pep node
Ge0rGOr maybe always send the gone, but only fill the JID if permitted.
Ge0rGthat's the code behind the rendered version I forgot to tell you before Summit.
pep.I wouldn't actually mind only including compliant servers or clients in my assumptions, tbh
pep.Deployment is an issue, and we all know that. My goal is not to solve this. (/me eyes non-rolling release distributions)
moparisthebestbut a feature that only requires clients to upgrade will be adopted faster, especially if users want it, because it's fully under their control
pep.But their contacts also need to support it
pep.So maybe not that fast
moparisthebestnot if they can fall back
moparisthebestlike 'oh you don't support automatic roster migration? ok send message "hi I was x@x now I'm y@y"
Ge0rGwith the main reason for this being "abandonden servers" I'd pull the line at modern client support
pep.Ge0rG, it's not my main reason fwiw
pep.My main reason is services like quicksy, or any other public services, which are great for adoption, but then users might want to move away from that
Ge0rGI've heard there are ~250 users on Quicksy.
pep."or any other public services"
moparisthebestthen it has to be a client-only feature
pep.moparisthebest, why does it have to
moparisthebestpublic services that don't want people to move away would just never enable it?
moparisthebestespecially if they get $ from users, directly or data mining (google)
pep.Yeah I'm not considering evil services tbh, that's another can of worms
moparisthebestI'm not talking about evil
pep.Why would they block then
moparisthebestclient-only doesn't work with actively evil either, they can block stanzas etc
pep.Any server can just block the PEP node
moparisthebestI'm talking about "should I download and install/configure this plugin that makes it easier for users to leave?"
moparisthebestwhy would they do extra work for that?
pep.moparisthebest, if it's a PEP node it's no extra work
moparisthebestso that's client-only?
pep.PEP is not client-only no
pep.Neither is MAM. They all require server support
moparisthebestyea but it doesn't require specific server support is all I meant
pep.Yes it does
moparisthebestnot for this specific thing
moparisthebestjust PEP in general that's used for lots of other things?
pep.So here's your reason why they would set it up
pep.So the feature can require server support
moparisthebestyea that all sounds fine then
moparisthebestI just meant if it required all servers to upgrade before it was useable, it'd be worthless and never adopted
pep.Well there are still prosody < 0.11 out there, and it's going to be the case for a while
moparisthebestso you are, vaguely, publishing a pep node as firstname.lastname@example.org saying you've moved to email@example.com ?
pep.Yeah. And that tombstone should stay up for your contacts' devices to see.
moparisthebestI tended to like what Ge0rG called a 'cryptographic overlay' better, it's maybe a bit more complicated, but not too much
pep.I don't mind having that as a goal for later, in a different XEPs, with different goals (including moar uses-cases)
moparisthebestvaguely, you publish a public key, your contacts save this (public key for firstname.lastname@example.org), then if a new account sends a subscription request with a message "I was email@example.com but now am firstname.lastname@example.org" signed by email@example.com's key, you know to update it
moparisthebestnot that much more complicated, supports everything that does plus the (I would think) common usecase of a server disappearing
pep.You don't actually need crypto fwiw
pep.Except if your old server is _already_ offline
pep.But then you're probably not in a good position anyway
moparisthebestthat seems like a valuable usecase to support though
pep.Yeah, I'm not worried about it for now, but you're welcome to
moparisthebestso is yours, uh, lazy
pep.And you should have preemptively declared your key if that's the case
moparisthebestit relies on all your contacts checking your old PEP node every time?
pep.They can check it once and be done
moparisthebestonce every time the client connects or?
pep.Once they've acked it
moparisthebestit doesn't react to being sent a message though?
pep.I don't understand
moparisthebestit checks pre-emptively for all roster contacts?
pep.Yeah, you +notify on the node
moparisthebestso when a client logs in it has to check them all too I guess
moparisthebestxep-27 already announces a key even, 'moved' could just define a signed payload for "I've moved"
moparisthebestseems far simpler
moparisthebest> so when a client logs in it has to check all pep nodes for all roster contacts all too I guess
pep.A client doesn't "Check", notifications gets pushed to it, but sure
moparisthebesteven notifications sent before the client logs in?
pep.Sure, you say add +notify in your disco stuff and the server will resend it (I think?). You'll receive the last event✎
pep.Sure, you add +notify in your disco stuff and the server will resend it (I think?). You'll receive the last event ✏
moparisthebestif I understand it's just adding a bunch more login traffic, at least one extra outgoing stanza and an ack per contact?
moparisthebestvs the key thing, which supports all the same use-cases, plus missing server, with no extra login traffic?
pep.There's no extra login traffic if there's no event. And once you've seen the event on contactX, you can unsubscribe from it.
pep.what key thing
moparisthebestcrypto signed "i've moved" roster subscription messages from the contact that moved
pep.But then in my use-case you'd need an extra PEP node on your own account mapping old-jid -> new-jid of your contacts, so that all your devices can ACK.
pep.Then you do that from MAM?
pep.You can also use MAM without crypto. And that's how Ge0rG implements it for now in his draft
moparisthebestisn't the roster stored on the server? can't only 1 client change it then?
moparisthebesttechnically the server could change it and not involve clients
pep.So what's your use-case then, do you want the server to be involved or not
moparisthebestthat server involvement would be optional, on the non-moving client's end?
moparisthebestwouldn't need to be mentioned in the XEP, the server could just optionally do it instead of the client
pep.That can be mentioned in the XEP yes, and we already had something like that in mind.
moparisthebestI tend to think moved that doesn't support a server going away in the future wouldn't be very useful
pep.I think it is
pep.And that'd be my main use-case
moparisthebestmy point is that if you do it a slightly different way, it supports both use cases
pep."slightly" meaning crypto?
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moparisthebestyou aren't inventing primitives or anything scary, just signing a message and verifying a signature?
pep.You don't need crypto for most of what you just said
pep.If your use-case if "server going away in the future", you don't need crypto
pep.As your identity provider is still alive
moparisthebestok let me clarify, I mean "I'm gonna go ahead and publish this now, and still want to be able to use it to move if my server goes away in the future"
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moparisthebesteither signed presence like xep-27 or a PEP node?
pep.Ok so what about non-supporting contact clients (which is a concerned that's been raised), at the time you published it, until you server went down
pep.Also presence won't work, it's ephemeral
moparisthebestbut you could save the key from the first presence you see or something, in your client
pep.If you support it, sure
moparisthebestnon-supporting clients I think is the same regardless of method, if they don't advertise support, your client sends them a manual message?
pep.And if you see it, in the first place
moparisthebest(after it moves I mean)
pep.Which is why I just don't want to worry about this use-case. With the current changes we have in moved, nothing prevents you to also publish your signed payload