View source for chat

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'''<dfn>chat</dfn>''' is informal [[messaging]] offered by numerous services, a few of which interoperate or bridge with each other, and also a set of brainstorms for what an amazing indieweb [[friendly]] chat web app/site could do.

For '''indieweb community chatrooms''':
* See: '''[[discuss]]'''

[https://xkcd.com/1810/ https://imgs.xkcd.com/comics/chat_systems.png]

== Why ==
The dictionary definition of the verb `chat` is "talk in a friendly and informal way", [https://en.wikipedia.org/wiki/Online_chat wikipedia defines only `online chat`] and it's real-time aspect:

<blockquote>Online chat may refer to any kind of communication over the Internet that offers a real-time transmission of text messages from sender to receiver. </blockquote>

Indieweb chat should embrace the ability for people to own their messages and to create them using the tools available.

== How ==
We already have people who are posting to their own domain with [[mf2]] and [[micropub]] and then using [[POSSE]] to distribute those items to the [[silo]] of their choice. This should apply to chat just as it applies to photos, notes, fitness, etc. With [[micropub]] and [[webmention]] ([[salmention]] even) we should be able to use the existing data flow and apply it to the chat problem.

We don't want to start with any [[API|Architecture Astronaut]] or plumbing just yet ... let's get the problems defined first and then iterate on possible implementations!

== IndieWeb Examples ==
None so far. See and contribute to the [[#Brainstorming]] below, and try implementing something on your site, perhaps to bridge to the #indieweb [[IRC]] channel!

== Examples In General ==
Organizers of [[Virtual_HWC|Virtual HWCs]] have considered and used several online audio / video chat [[apps]], sites, and software. Notes and impressions are below. 

(Please contribute if you have positive or negative experiences with any of these!)

== Stateless Examples ==
The following examples do not appear to keep any state information about you or your calls, thus they do not really qualify as a silo (they are not siloing any data of yours).

=== appear.in ===
[https://appear.in/hwc appear.in] has been used by the vHWC CEST with success.

Looks extremely similar to Talky in both features and technology.

{{pros-cons
| pro1 = Works directly from modern browsers without set-up (through [[WebRTC]]).
| pro2 = Ability to share your screen for demos.
| con1 = [[P2P]] technology means relatively high data usage.
| con2 = Audio can be laggy.
}}

=== Talky ===
[[Talky]] was often used for IndieWebCamp remote participation, and was used for the virtual meet-ups on Central European Time.

{{pros-cons
| pro1 = Works directly from modern browsers without set-up (through [[WebRTC]]).
| pro2 = Ability to share your screen for demos.
| con1 = [[P2P]] technology means relatively high data usage (according to {{Zegnat}} it is worse than other WebRTC things)
}}

=== Mumble ===

[[Mumble]] is being looked into as a viable tool for future virtual meet-ups.

{{pros-cons
| pro1 = Native clients available for most systems.
| pro2 = Very low data usage.
| pro3 = Third-party browser client available.
| con1 = Audio only. No webcam or stream sharing.
| con2 = Requires a server hosted or rented by the organiser.
}}

==== Notes ====

* Jonas Herzig’s open-source [https://github.com/Johni0702/mumble-web mumble-web] can be used in a browser, taking away the need for native clients. It requires a custom proxy in front of the mumble server set-up and will thus not work with all servers out-of-the-box.
* [https://guildbit.com/ GuildBit] offers free temporary servers on demand, with a choice of region, and might be a good option for impromptu meet-ups.

== Silo Examples ==
These all keep some sort of information, chat logs, contacts, etc.

=== Slack ===
[[Slack]] is a chat silo, and often popular user-friendly replacement for [[IRC]].

You can use Slack to access the IndieWeb IRC channels:
* https://chat.indieweb.org/slack

=== Google Hangouts ===
[[Hangouts]] was used for the [[HWC]] virtual meet-ups on Pacific Time.

{{pros-cons
| pro1 = Hangouts On Air allows streaming the meet-up to [[YouTube]], creating an archive.
| con1 = Requires the use of Google Accounts. (this requirement is supposed to have been dropped, need to test this to make sure)
}}

=== Discord ===
[[Discord]] is being looked into as a viable tool for future virtual meet-ups.

{{pros-cons
| pro1 = Both native and web clients available.
| pro2 = Useable without registering an account beforehand.
| con1 = Audio only. No webcam or screen sharing.
| con2 = Creates a [[Slack]] like environment with multiple text and audio rooms that need navigating.
}}

==== Notes ====
* Video and screen sharing is in beta as of 2017-08-10: https://medium.com/@discordnelly/were-testing-video-chat-and-screen-share-with-5-of-players-today-c8ddb108ca31

== Brainstorming ==
In [[IRC]] or [[XMPP]] a message is a single line that is sent to the server, marked up with the sender, the channel and the date/time of the message. The server then distributes it to anyone currently connected and "listening" to the channel.

* Can we map what a [[note]] is and use it for a single post to a chat group?
* Can we use [[webmention]] to have the post be sent to a group or feed
* Can we use a [[feed]] to represent a group or channel
* chat messages are logged and searchable
** this seems to be orthogonal to the initial problem of describing what is chat

=== datetime stamps ===
* Publication date and time -- when the message was posted
* Update date and time -- when the message was updated

A concern I have is making sure that date and time stamps allow for proper presentation of messages as a stream. If Fido is posting to a channel but their system clock is skewed then messages from them may appear out of sequence to others.

Do we allow an aggregating server to apply another timestamp to the message? If so what would that be called? `dt-syndicated` ?

=== message URL ===

* Identifies the message
* Identifies the message owner's [[h-card]]
** use [[mf2]] [[authorship]] rules?

=== distribution ===

distribution becomes a function of the sender deciding where to syndicate the message to - this can be based on [[h-feed]] [[category]] or anything the sender wants.

* polling
** have a chat server pull from an [[h-feed]] with a defined syndication target
* webmention publish ala brid.gy
* [[pubsubhubbub]] or superfeedr
** suggestion by Kevin: "What if the webmention was for join/leave and that triggered the pubsubhubbub following? Kind of how #indieweb works on twitter now. So any post with #indieweb goes to the channel"

=== example ===

<pre>
<p class="h-entry">
  <a href="https://bear.im/20160625_1ffc64309451" class="u-url">
    <time class="dt-published" datetime="2016-06-25T09:20:18-04:00">
      Sat, Jun 25, 2016 9:20am -04:00
    </time>
    <span class="e-content">
      yep, a chat message
    </span>
  </a>
</p>
</pre>

== dragons lurk below ==

=== Oct 2018 Prototype ===

{{angelo}} has taken the first step to owning his IRC chat logs. He is using [[sopel]].

In this demo four separate browser sessions across two different devices bridged with IRC in real time.

Note Aaron Parecki's URL was discovered by using his h-card on [[chat-names]].

[[File:personal_irc_bridge_websocket_multicast_demo_firefox_chrome_torbrowser.png|500px]]
[[File:personal_irc_bridge_websocket_multicast_demo_safari-ios.png|200px]]

=== reactions ===

http://indiewebcamp.com/irc/2016-06-25#t1466894946795

<pre>
[18:49:06]  <@aaronpk>	it kind of sounds like chat is nothing more than an aggregation of an h-feed
[18:49:19]  <bear>	that is what i'm trying to aim for as a first pass
[18:49:27]  <@aaronpk>	like if we all syndicated posts to news.indiewebcamp.com in rapid succession it would act kind of like a chat room
[18:49:53]  <bear>	when I thought hard about it - it always devolved into that
[18:50:01]  <bear>	it's a quick updating list of notes
[18:50:02]  <@aaronpk>	at which point it really becomes more of a UI challenge than a protocol challenge
[18:50:09]  <bear>	yes
[18:50:28]  <bear>	there is some plumbing items for say a chat service
[18:50:33]  <@aaronpk>	that's where Monocle is evolving towards, based on https://aaronparecki.com/2015/08/29/8/why-i-live-in-irc
[18:50:38]  <Loqi>	[Aaron Parecki] Why I Live in IRC
[18:51:00]  <bear>	yea, I have a similar evolution - I just never wrote about it
[18:51:03]  <@aaronpk>	turns out i prefer reading feeds in a chat-like interface vs something like google reader or twitter

...

[18:53:38]  <sknebel>	what is the important difference between "chat-interface" and "traditional" readers for you? more compact presentation? different notion of read/unread (read as soon as you've seen the headline, not on interaction?)
[18:53:48]  <@aaronpk>	good question
[18:54:12]  <bear>	for me it really boils down to decades of seeing data flow across a terminal
[18:54:26]  <bear>	my whole habit is wired towards being able to process that
[18:54:27]  <@aaronpk>	for me, one aspect that differs from traditional readers is that i segment my chat channels by topic rather than by source
[18:55:18]  <bear>	yea, I have a filter that allows me to have a "important" channel and it puts different items into it based on who or where the item comes from
[18:56:52]  <sknebel>	that sounds like something a traditional reader-like system could implement as well, it's just easier to DIY/script in chat tools you are used to hacking on?
[18:57:14]  <bear>	oh sure, I imagine someone else would do a much better version of this
[18:57:36]  <bear>	I just have xmpp tools in python that let me add features quickly
[18:57:57]  <bear>	it's all this feature-rich content that has made me want to change
[18:58:18]  <@aaronpk>	sknebel: yeah sure but for whatever reason, none have
[18:58:33]  <@aaronpk>	and similar for me with IRC
[18:58:50]  <bear>	I am just not a fan of the magazine style UI
[18:58:52]  <@aaronpk>	but now wanting features like inline images, inline action buttons, emoji responses, all are not possible within the IRC protocol
[18:59:02]  <bear>	(which is my bad way of describing what I think of most readers)
[18:59:31]  <bear>	technically it's not within XMPP except with some not fully supported extensions
[18:59:50]  <bear>	an XMPP MUC message is a simple text field
[19:00:05]  <bear>	html tags are not supposed to be present
[19:00:23]  <sknebel>	aaronpk: yeah, traditional readers are fairly bad at filtering
[19:00:35]  <@aaronpk>	it's more than "filtering" is my point
</pre>

=== prototype chat flow ===

Prototype of a chat message flow:

# Fido crafts a message: `hey, just posted about my latest kibble recipe` 
# Fido uses [[micropub]] to post a chat item with the tag `#indieweb`
# The client adds the note to Fido's site
# The micropub processing code knows that a chat item needs to be syndicated and crafts a [[webmention]] to the group associated with the tag `#indieweb`
# The [[webmention]] is sent and the item is sent to the feed (hand wavy bits here)
# Everyone who follows the group can
## get an update when the process the [[h-feed]] of the group
## receive a push message from the group
## get updated when something like [[bridgy]] handles the [[webmention]]
# Flo gets the update and then either crafts a chat to the group or references the URL of Fido's post
# rinse-and-repeat

==== raw conversation in IRC ====
http://indiewebcamp.com/irc/2016-06-24/line/1466814050453

'''Please help process the below into individual sections on features / phases etc.!'''

<pre>
17:20 tantek bear what do you think of our "chat" as "a tool incubated at/by indieweb community" rather than just "a tool of the indieweb community"
17:20 bear then loqi could be a consumer of any chat feed
17:20 tantek ?
17:20 Loqi who, me?
17:21 bear I like the idea
17:21 tantek interesting. so it's not completely crazy then.
17:21 bear it allows chat to become another stream of data that can be liberated from silos
17:21 bear as IRC is as much a silo as facebook is
17:21 tantek ^^^ that's a super powerful perspective
17:21 bear which fits into a thing i've been chasing/chewing on for quite a while now
17:22 tantek like what would it mean to connect to chat.indieweb.org via XMPP for example?
17:22 bear yes!
17:22 bear wiring up other chat protocols becomes a translation layer
17:22 aaronpk The only redeeming quality IRC has is that it's a relatively standard protocol so there are at least multiple clients you can use to connect to a server like freenode
17:22 tantek agreed
17:22 bear same can be said of XMPP
17:23 tantek XMPP doesn't seem to have survived / gotten adopted as much for group chats
17:23 tantek especially persistent / logged group chats
17:23 bear so by having indieweb chat have two well known and mature endpoints - web, irc and xmpp -- you have a lot of flexibility
17:23 tantek or maybe I'm missing the parallel universe of folks using XMPP the way so many open source devs use IRC
17:23 bear you don't see them but they are there
17:23 bear yes
17:24 bear we just got done with a series of xmpp summits just around the MUC part of the spec
17:24 tantek I think I've seen that episode of startrek tng
17:24 bear good/bad spock
17:25 tantek the one where they're out of phase and can't see each other or something
17:25 bear ahh - yes
17:26 bear i've always thought that if IRC -> really simple text or json blob ... then a lot of things can consume that
17:26 bear and it's bidirectional
17:26 bear toss in microformats... and you have the makings of a lot of flexibility
17:27 bear aaronpk is probably over there watching the feature creep and just moaning
17:27 aaronpk lol
17:27 aaronpk onthe contrary
17:27 bear (which is why I'm itching to help with this)
17:28 aaronpk I have a lot of ideas on how I want to make http chat a thing
17:28 bear and I have a core use for it - my work just had to deal with 4 hours of no slack access
17:28 bear which meant that we lost contact with our ops bot
17:28 aaronpk ouch
17:28 bear so I'm all about having multiple paths to any chat endpoint
17:29 bear yea, http chat in this case becomes a web socket (or whatever) of small json blobs
17:29 bear with microformats -- so you have identity built in
17:29 bear async chat can be over webmention
17:29 bear or micropub
17:30 bear and unlike a lot of past attempts to force a round chat peg into a square protocol hole... I don't see any oddities with that
17:31 bear with indieweb chat - each line already has a distinct url
17:32 bear that's been like a version 4 dream of mine - to have a chat conversation have replies or notes or comments from multiple sources and be threaded
</pre>

== See Also ==
* [[remote participation]]
* https://xkcd.com/1782/
* [[Briar]]
* https://twitter.com/vanschneider/status/1064997231286255617
** "Sometimes I know I've read a message from someone, but I don't remember anymore if it was via iMessage, WhatsApp, FB Messenger, Email, Twitter DM, LinkedIn, Instagram Messages, Hangouts, or Slack?" [http://www.vanschneider.com @vanschneider] November 20, 2018
* Brainstorming: possible steps towards a standard chat archive format based on HTML+mf2, similar in that respect to the Blog Archive Format: https://github.com/aaronpk/iMessage-Export#html-log-files
* [https://indieweb.org/chat-names chat-names]
* [[Matrix]]