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grunfink b783f287c8 New function rss_to_timeline(). 1 tahun lalu
artwork 294675ae9a Moved avatars to artwork/. 3 tahun lalu
doc d33891bab5 Updated documentation. 1 tahun lalu
examples 570a8e3d5d convert snac-admin to bash 1 tahun lalu
po 8c60545e65 Merge pull request 'Improvements for Russian translation (инстанция -> сервер)' (#398) from ivan_c/snac2:master into master 1 tahun lalu
tests 3d96c57628 enforce tls when supported && add tests 1 tahun lalu
.gitignore 3d96c57628 enforce tls when supported && add tests 1 tahun lalu
Dockerfile 89f6924ae2 Improve Docker image generation 3 tahun lalu
LICENSE 932227bbac Bumped copyright year. 1 tahun lalu
Makefile 97ff66116b New file rss.c. 1 tahun lalu
Makefile.NetBSD 97ff66116b New file rss.c. 1 tahun lalu
README.md a8ff65286e Updated README. 1 tahun lalu
RELEASE_NOTES.md 36d44ddd9e Updated RELEASE_NOTES. 1 tahun lalu
TODO.md 05c9b46d1c Updated TODO. 1 tahun lalu
activitypub.c 56816b3051 Minor memory leak fixes. 1 tahun lalu
data.c 5bc4511594 New function timeline_here(). 1 tahun lalu
docker-compose.yaml 4afa513dce Add docker-compose support, so a working development server with HTTPS can be started with: 3 tahun lalu
format.c 56816b3051 Minor memory leak fixes. 1 tahun lalu
html.c 97ff66116b New file rss.c. 1 tahun lalu
http.c 932227bbac Bumped copyright year. 1 tahun lalu
http_codes.h 25ef07b1ec More or less smaller fixes :) 2 tahun lalu
httpd.c 859de583d9 Renamed timeline_to_rss() to rss_from_timeline(). 1 tahun lalu
landloc.h a0ca57cc67 update landloc.h 1 tahun lalu
main.c 5bc4511594 New function timeline_here(). 1 tahun lalu
mastoapi.c 5bc4511594 New function timeline_here(). 1 tahun lalu
rss.c b783f287c8 New function rss_to_timeline(). 1 tahun lalu
sandbox.c b7320f580d allow sandbox to work with changed config values 1 tahun lalu
snac.c 64d99af19c xs_webmention.h new file. 1 tahun lalu
snac.h b783f287c8 New function rss_to_timeline(). 1 tahun lalu
upgrade.c 932227bbac Bumped copyright year. 1 tahun lalu
utils.c bf94f6af77 make greetings theme adaptive; define style in header 1 tahun lalu
webfinger.c 932227bbac Bumped copyright year. 1 tahun lalu
xs.h 6d82708fbd Fix uninitialised memory access 1 tahun lalu
xs_curl.h 64d99af19c xs_webmention.h new file. 1 tahun lalu
xs_fcgi.h 0da9369012 Fixed crash in xs_fcgi_request(). 1 tahun lalu
xs_glob.h 932227bbac Bumped copyright year. 1 tahun lalu
xs_hex.h 932227bbac Bumped copyright year. 1 tahun lalu
xs_html.h d9b6b7ce08 Minor xs_html tweak. 1 tahun lalu
xs_httpd.h 2bfbe6215f Fixed bug in xs_httpd_request(). 1 tahun lalu
xs_io.h 1089b24171 Rewrite http header parsing 1 tahun lalu
xs_json.h 4ccb52de74 Added a default MAX_JSON_DEPTH inside xs_json.h. 1 tahun lalu
xs_match.h 492b91e4e4 Backport from xs. 1 tahun lalu
xs_mime.h 8c2abef699 the fucking list is sotted. oopps 1 tahun lalu
xs_openssl.h 11d1adca7a Fix memory leaks 1 tahun lalu
xs_po.h e020ca8471 xs_po.h new file. 1 tahun lalu
xs_random.h 932227bbac Bumped copyright year. 1 tahun lalu
xs_regex.h f58642b439 Added some checks to xs_regex_split_n(). 1 tahun lalu
xs_set.h 932227bbac Bumped copyright year. 1 tahun lalu
xs_socket.h 11d1adca7a Fix memory leaks 1 tahun lalu
xs_time.h aa2539104d Also added UTC+... timezones. 1 tahun lalu
xs_unicode.h 932227bbac Bumped copyright year. 1 tahun lalu
xs_unicode_tbl.h c507e30607 New function xs_unicode_right_to_left(). 1 tahun lalu
xs_unix_socket.h 932227bbac Bumped copyright year. 1 tahun lalu
xs_url.h e761dacee5 Fix memory leak in multipart parsing 1 tahun lalu
xs_version.h 64d99af19c xs_webmention.h new file. 1 tahun lalu
xs_webmention.h 97568a7c93 Better error handling in xs_webmention_send(). 1 tahun lalu

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
  • 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. It uses the __attribute__((__cleanup__)) GNU extension, that is supported at least by the gcc, clang and tcc C compilers. 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

On FreeBSD, to install curl just type:

pkg install curl

On NetBSD, to install curl just type:

pkgin install curl

The source code is available here.

Run make and then make install as root.

If you're compiling on NetBSD, you should use the specific provided Makefile and run make -f Makefile.NetBSD and then make -f Makefile.NetBSD 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

If your compilation process complains about undefined references to shm_open() and shm_unlink() (it happens, for example, on Ubuntu 20.04.6 LTS), run it as:

make LDFLAGS=-lrt

If it still gives compilation errors (because your system does not implement the shared memory functions), you can fix it with

make CFLAGS=-DWITHOUT_SHM

From version 2.68, Linux Landlock sandboxing is included (not supported on Linux kernels older than 5.13.0). It's still a bit experimental, so you must compile it in explicitly with

make CFLAGS=-DWITH_LINUX_SANDBOX

From version 2.73, the language of the web UI can be configured; the po/ source subdirectory includes a set of translation files, one per language. After initializing your instance, copy whatever language file you want to use to the lang/ subdirectory of the base directory.

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

Incredibly awesome CSS themes for snac

License

See the LICENSE file for details.

Author

grunfink @grunfink@comam.es with the help of others.

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

Contribute via LiberaPay: https://liberapay.com/grunfink/