On 03.07.21 20:35, JC Brand wrote:
> If you're behind a corporate firewall, [...]

I was rather thinking of company internal servers that are only
reachable from within the local network.

> Given that users already share URLs, I would like to have better
> metadata so that I can provide a better UX.

I was under the assumption that SIMS is not about adding metadata, but
about displaying media inline. Sharing an URL to a (media) file does not
imply that it should be displayed inline.

>> Fetching files from untrusted third-party servers is a privacy
>> nightmare. [...]
> Sounds like configuration, and not something that would ever be universal.

I think this is something we should make an effort to solve, not just
with configuration, but at the protocol level. "By using this software,
you agree that your personal data (IP address) is shared with arbitrary
unknown third parties, who, under their respective privacy policy, may
process that personal data as they please" doesn't really sound great.
We already have an issue here and I'm not very keen to make it even bigger.

> Also, at least in my web client, the images are shown asynchronously
> after the message has been sent, and they're shown via <img> tags, so
> the browser is responsible for fetching the image and caching it, not my
> client.

Just to get the message across: I am not against lifting the requirement
to have the file hash in here, I just fear the UX this might result in.
I totally understand that as a web client you may not be able to
actually fetch and compute the hash of the media due to cross-origin
restrictions - however the same probably applies to HTTP headers.

Web currently is in the process of receiving a proper system for sharing
files across apps (both web and native). See
https://web.dev/web-share-target/. This currently is not available on
most Desktop OS, just because those OS don't have a proper system yet
(whereas mobile OS are typically much more modern and thus do support
such system).

Also, I kinda feel that we are talking about users with different
expertise levels here: I'm thinking of the people that ask to search an
event on Facebook rather than sending a link to the Facebook event page.
I also hardly see video files being linked directly outside my tech
bubble (instead links are to YouTube, Dropbox or Google Drive with their
web video player). But, I also agree that, especially within tech
people, sharing an URL is common, thus what you propose may make sense
for those.


Marvin
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