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This allows for correct highlighting and maybe future automatic formatting. The AST was verified to work with nixfmt only.
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Prosody
Prosody is an open-source, modern XMPP server.
Basic usage
A common struggle for most XMPP newcomers is to find the right set of XMPP Extensions (XEPs) to setup. Forget to activate a few of those and your XMPP experience might turn into a nightmare!
The XMPP community tackles this problem by creating a meta-XEP listing a decent set of XEPs you should implement. This meta-XEP is issued every year, the 2020 edition being XEP-0423.
The NixOS Prosody module will implement most of these recommendend XEPs out of
the box. That being said, two components still require some
manual configuration: the
Multi User Chat (MUC)
and the HTTP File Upload ones.
You'll need to create a DNS subdomain for each of those. The current convention is to name your
MUC endpoint conference.example.org and your HTTP upload domain upload.example.org.
A good configuration to start with, including a Multi User Chat (MUC) endpoint as well as a HTTP File Upload endpoint will look like this:
{
services.prosody = {
enable = true;
admins = [ "root@example.org" ];
ssl.cert = "/var/lib/acme/example.org/fullchain.pem";
ssl.key = "/var/lib/acme/example.org/key.pem";
virtualHosts."example.org" = {
enabled = true;
domain = "example.org";
ssl.cert = "/var/lib/acme/example.org/fullchain.pem";
ssl.key = "/var/lib/acme/example.org/key.pem";
};
muc = [ {
domain = "conference.example.org";
} ];
uploadHttp = {
domain = "upload.example.org";
};
};
}
Let's Encrypt Configuration
As you can see in the code snippet from the previous section, you'll need a single TLS certificate covering your main endpoint, the MUC one as well as the HTTP Upload one. We can generate such a certificate by leveraging the ACME extraDomainNames module option.
Provided the setup detailed in the previous section, you'll need the following acme configuration to generate a TLS certificate for the three endponits:
{
security.acme = {
email = "root@example.org";
acceptTerms = true;
certs = {
"example.org" = {
webroot = "/var/www/example.org";
email = "root@example.org";
extraDomainNames = [ "conference.example.org" "upload.example.org" ];
};
};
};
}