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A simple, minimalistic ActivityPub instance written in portable C
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grunfink b22786bd55 Merge pull request 'html.c: Fix non-list tag object for external custom emoji' (#77) from yonle/snac2:master into master 
Reviewed-on: https://codeberg.org/grunfink/snac2/pulls/77
2023-07-26 06:13:55 +00:00
doc Updated documentation. 2023-07-24 13:01:19 +02:00
examples [examples/snac-global.service] New file. 2023-07-10 06:05:43 +02:00
.gitignore [.gitignore] new file. 2022-09-27 09:06:03 +02:00
activitypub.c Deleted a comment that is no longer true. 2023-07-24 20:44:21 +02:00
data.c Fixed prototypes. 2023-07-14 08:47:20 +02:00
docker-compose.yaml Add docker-compose support, so a working development server with HTTPS can be started with: 2022-12-12 10:26:38 +00:00
Dockerfile Improve Docker image generation 2022-12-14 11:46:16 +01:00
format.c Fixed minor memory leak. 2023-07-24 12:52:09 +02:00
html.c html.c: Fix non-list tag object for external custom emoji 2023-07-26 06:10:08 +00:00
http.c Fixed crash in check_signature(). 2023-06-13 22:09:20 +02:00
httpd.c Rollback to 86f507410b for some reasons. 2023-07-24 22:56:18 +07:00
LICENSE Updated year in copyright notices. 2023-01-17 09:50:16 +01:00
main.c Added command-line interface for [un]blocking full instances. 2023-06-29 08:11:41 +02:00
Makefile Replaced usage of random() with xs_rnd_buf(). 2023-06-05 18:29:25 +02:00
mastoapi.c In mastoapi, notes can be pinned / unpinned. 2023-06-28 20:36:33 +02:00
README.md Fixed link in README. 2023-07-23 16:31:16 +02:00
RELEASE_NOTES.md Rollback to 86f507410b for some reasons. 2023-07-24 22:56:18 +07:00
snac.c Fixed failed mkdir() in restricted environments. 2023-07-09 20:23:38 +02:00
snac.h Rollback to 86f507410b for some reasons. 2023-07-24 22:56:18 +07:00
TODO.md Updated TODO. 2023-07-06 10:14:25 +02:00
upgrade.c New utility function mkdirx(). 2023-02-07 09:25:01 +01:00
utils.c Call fflush() after admin prompts without newlines. 2023-07-26 06:40:23 +02:00
webfinger.c Revert "New server config array "webfinger_domains"." 2023-07-10 07:19:51 +02:00
xs.h Fixed some memory leaks. 2023-07-11 19:45:58 +02:00
xs_curl.h Fixed webfinger and curl issues 2023-05-07 13:42:47 +08:00
xs_glob.h Backport from xs. 2023-01-28 17:49:02 +01:00
xs_httpd.h Backport from xs. 2023-05-11 10:48:37 +02:00
xs_io.h Backport from xs. 2023-01-28 17:49:02 +01:00
xs_json.h Backport from xs. 2023-05-15 10:31:15 +02:00
xs_mime.h xs_mime.h: .opus mime is audio/ogg 2023-07-12 10:44:08 +07:00
xs_openssl.h Got rid of xs_encdec.h. 2023-05-17 10:08:57 +02:00
xs_random.h Replaced usage of random() with xs_rnd_buf(). 2023-06-05 18:29:25 +02:00
xs_regex.h Backport from xs. 2023-01-28 17:49:02 +01:00
xs_set.h Backport from xs. 2023-07-03 16:41:51 +02:00
xs_socket.h Backport from xs. 2023-03-08 04:28:20 +01:00
xs_time.h Backport from xs. 2023-06-27 16:52:29 +02:00
xs_unicode.h Backport from xs. 2023-05-30 19:49:30 +02:00
xs_version.h Backport from xs. 2023-07-05 09:51:41 +02:00

README.md

snac

A simple, minimalistic ActivityPub instance

Features

  • Lightweight, minimal dependencies
  • Extensive support of ActivityPub operations, e.g. write public notes, follow users, be followed, reply to the notes of others, admire wonderful content (like or boost), write private messages...
  • Multiuser
  • Mastodon API support, so Mastodon-compatible apps can be used (work in progress)
  • Simple but effective web interface
  • Easily-accessed MUTE button to silence morons
  • Tested interoperability with related software
  • No database needed
  • Totally JavaScript-free
  • No cookies either
  • Not much bullshit

About

This program runs as a daemon (proxied by a TLS-enabled real httpd server) and provides the basic services for a Fediverse / ActivityPub instance (sharing messages and stuff from/to other systems like Mastodon, Pleroma, Friendica, etc.).

This is not the manual; man pages snac(1) (user manual), snac(5) (formats) and snac(8) (administrator manual) are what you are looking for.

snac stands for Social Networks Are Crap.

Building and installation

This program is written in highly portable C. The only external dependencies are openssl and curl.

On Debian/Ubuntu, you can satisfy these requirements by running

apt install libssl-dev libcurl4-openssl-dev

On OpenBSD you just need to install curl:

pkg_add curl

Run make and then make install as root.

From version 2.27, snac includes support for the Mastodon API; if you are not interested on it, you can compile it out by running

make CFLAGS=-DNO_MASTODON_API

See the administrator manual on how to proceed from here.

Testing via Docker

A docker-compose file is provided for development and testing. To start snac with an nginx HTTPS frontend, run:

docker-compose build && docker-compose up

This will:

  • Start snac, storing data in data/
  • Configure snac to listen on port 8001 with a server name of localhost (see examples/docker-entrypoint.sh)
  • Create a new user testuser and print the user's generated password on the console (see examples/docker-entrypoint.sh)
  • Start nginx to handle HTTPS, using the certificate pair from nginx-alpine-ssl/nginx-selfsigned.* (see examples/nginx-alpine-ssl/entrypoint.sh)

Links of Interest

Online snac manuals (user, administrator and data formats).

how to run your own ActivityPub server on OpenBSD via snac (by Jordan Reger).

Incredibly awesome CSS themes for snac

A cool, elegant theme (by Haijo7).

A light, lean theme (by Ворон).

License

See the LICENSE file for details.

Author

grunfink @grunfink@comam.es

Buy grunfink a coffee: https://ko-fi.com/grunfink