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getwtxt

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twtxt registry written in Go!

twtxt is a decentralized microblogging platform for hackers based on text files. The user is "followed" and "mentioned" by referencing the URL to their twtxt.txt file and a nickname.

Registries are designed to aggregate several users' statuses into a single location, facilitating the discovery of new users to follow and allowing the search of statuses for tags and key words.

[Installation] [Upgrading] [Configuration] [Using the Registry] [Benchmarks] [Other Documentation] [Notes]

Features

  • Easy to set up
  • Uses an in-memory cache to serve requests
  • Pushes to a database at a configurable interval for persistent storage
  • leveldb (default)
  • sqlite3
  • Easily run behind nginx, Caddy or another HTTP server.

Public Instances

Would you like your instance listed? Send a message to the mailing list!

Installation

I have tested getwtxt on the following: * Debian 9, 10 * Ubuntu Server 18.04LTS, 18.10, 19.04 * OpenBSD 6.6

Build dependencies are minimal, and only include: * make * go >= 1.11 * git

First, fetch the sources using git and jump into the directory.

$ git clone https://git.sr.ht/~gbmor/getwtxt
...
$ cd getwtxt

Then, check out the latest release tag.

$ git checkout $(git describe --tags --abbrev=0)

Use make to initiate the build and install process.

$ make
...
$ sudo make install

Upgrading

Upgrading is nearly a identical process. Pull the changes, check out the latest tag, and rebuild.

systemd might yell at you about running systemctl daemon-reload when you go to restart getwtxt.

While getwtxt is pre-1.0, any patch-level updates (v0.4.x) will not change configuration values. If a minor version increase has happened, for example v0.4.x -> v0.5.x, then check if you need to update the config file before restarting getwtxt.

Configuration

[ Proxying ]   [ Starting getwtxt ]

To configure getwtxt, you'll first need to open /usr/local/getwtxt/getwtxt.yml in your favorite editor and modify any values necessary. There are comments in the file explaining each option.

If you desire, you may additionally modify the template in /usr/local/getwtxt/assets/tmpl/index.html to customize the page users will see when they pull up your registry instance in a web browser. The values in the configuration file under Instance: are used to replace text {{.Like This}} in the template.

Proxying

Though getwtxt will run perfectly fine facing the internet directly, it does not understand virtual hosts, nor does it use TLS. You'll probably want to proxy it behind Caddy or nginx for this reason.

Caddy is ludicrously easy to set up, and automatically handles TLS certificates. Here's the config:

twtxt.example.com
proxy / example.com:9001

If you're using nginx, here's a skeleton config to get you started. Don't forget to change the 5 instances of twtxt.example.com to the (sub)domain you'll be using to access the registry, generate SSL/TLS certificates using LetsEncrypt, and change the port in proxy_pass to whichever port you specified when modifying the configuration file. Currently, it's set to the default port 9001

server {
    server_name twtxt.example.com;
    listen [::]:443 ssl http2;
    listen 0.0.0.0:443 ssl http2;
    ssl_certificate /etc/letsencrypt/live/twtxt.example.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/twtxt.example.com/privkey.pem;
    include /etc/letsencrypt/options-ssl-nginx.conf;
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;
    location / {
        proxy_set_header Host $host;
        proxy_set_header X-Forwarded-For $remote_addr;
        proxy_pass http://127.0.0.1:9001;
    }
}
server {
    if ($host = twtxt.example.com) {
        return 301 https://$host$request_uri;
    }
    listen 80;
    server_name twtxt.example.com;
    return 404;
}

Starting getwtxt

Once you have everything configured to your needs, use systemctl to enable it to run on system boot, then start the service.

$ sudo systemctl enable getwtxt
...
$ sudo systemctl start getwtxt

Using the Registry

The following examples will all apply to using curl from a Linux, BSD, or macOS terminal. All timestamps are in RFC3339 format, per the twtxt registry specification. Additionally, all queries support the ?page=N parameter, where N is a positive integer, that will retrieve page N of results in groups of twenty.

The example API calls can also be found on the landing page of any getwtxt instance, assuming the admin has not customized the landing page.

Adding a User

Both nickname and URL are required

$ curl -X POST 'https://twtxt.example.com/api/plain/users?url=https://mysite.ext/twtxt.txt&nickname=FooJr'

200 OK

Get All Tweets

$ curl 'https://twtxt.example.com/api/plain/tweets'

foo_barrington  https://foo.bar.ext/twtxt.txt  2019-03-01T09:31:02.000Z Hey! It's my first status!
...
...

Query Tweets by Keyword

$ curl 'https://twtxt.example.com/api/plain/tweets?q=getwtxt'

foo_barrington    https://example3.com/twtxt.txt    2019-04-30T06:00:09.000Z    I just installed getwtxt!

Get All Users

Timestamp reflects when the user was added to the registry.

$ curl 'https://twtxt.example.com/api/plain/users'

foo_barrington      https://foo.barrington.ext/twtxt.txt  2017-01-01T09:17:02.000Z
foo_barrington_jr   https://example.com/twtxt.txt         2019-03-01T09:31:02.000Z
...
...

Query Users

Can use either keyword or URL.

$ curl 'https://twtxt.example.com/api/plain/users?url=https://example.com/twtxt.txt'

foo               https://example.com/twtxt.txt     2019-05-09T08:42:23.000Z


$ curl 'https://twtxt.example.com/api/plain/users?q=foo'

foo               https://example.com/twtxt.txt     2019-05-09T08:42:23.000Z
foobar            https://example2.com/twtxt.txt    2019-03-14T19:23:00.000Z
foo_barrington    https://example3.com/twtxt.txt    2019-05-01T15:59:39.000Z

Get all tweets with mentions

Mentions are placed within a status using the format @<nickname http://url/twtxt.txt>

$ curl 'https://twtxt.tilde.institute/api/plain/mentions'

foo               https://example.com/twtxt.txt     2019-02-28T11:06:44.000Z    @<foo_barrington https://example3.com/twtxt.txt> Hey!! Are you still working on that project?
bar               https://mxmmplm.com/twtxt.txt     2019-02-27T11:06:44.000Z    @<foobar https://example2.com/twtxt.txt> How's your day going, bud?
foo_barrington    https://example3.com/twtxt.txt    2019-02-26T11:06:44.000Z    @<foo https://example.com/twtxt.txt> Did you eat my lunch?

Query tweets by mention URL

$ curl 'https://twtxt.tilde.institute/api/plain/mentions?url=https://foobarrington.co.uk/twtxt.txt'

foo    https://example.com/twtxt.txt    2019-02-26T11:06:44.000Z    @<foo_barrington https://foobarrington.co.uk/twtxt.txt> Hey!! Are you still working on that project?e

Get all Tags

$ curl 'https://twtxt.example.com/api/plain/tags'

foo    https://example.com/twtxt.txt    2019-03-01T09:33:04.000Z    No, seriously, I need #help
foo    https://example.com/twtxt.txt    2019-03-01T09:32:12.000Z    Seriously, I love #programming!
foo    https://example.com/twtxt.txt    2019-03-01T09:31:02.000Z    I love #programming!

Query by Tag

$ curl 'https://twtxt.example.com/api/plain/tags/programming'

foo    https://example.com/twtxt.txt    2019-03-01T09:31:02.000Z    I love #programming!

Delete a User

$ curl -X DELETE -H 'X-Auth: password_in_getwtxt.yml' 'https://twtxt.example.com/api/admin/users?url=https://example.com/twtxt.txt'

200 OK

Benchmarks

$ bombardier -c 100 -n 200000 http://localhost:9001/api/plain/tweets

Bombarding http://localhost:9001/api/plain/tweets with 200000 request(s) using 100 connection(s)
 200000 / 200000 [=============================================================] 100.00% 19961/s 10s

Done!

Statistics        Avg      Stdev        Max
  Reqs/sec     20006.58    2408.55   26054.73
  Latency        5.00ms     3.58ms    62.99ms
  HTTP codes:
    1xx - 0, 2xx - 200000, 3xx - 0, 4xx - 0, 5xx - 0
    others - 0
  Throughput:    39.27MB/s

Other Documentation

In addition to what is provided here, additional information, particularly regarding the configuration file, may be found by running getwtxt with the -m or --manual flags. You will likely want to pipe the output to less as it is quite long.

$ ./getwtxt -m | less

$ ./getwtxt --manual | less

If you need to remove getwtxt from your system, navigate to the source directory you acquired using git during the installation process and run the appropriate make hook:

$ sudo make uninstall

Notes

twtxt Information: twtxt.readthedocs.io

Interested in twtxt but don't have your own server? github.com/LuRsT/twtxt_on_heroku

twtxt Client Repo: github.com/buckket/twtxt

Registry Specification: twtxt.readthedocs.io/en/latest/user/registry.html

Special thanks to github.com/kognise/water.css for open-sourcing a pleasant, easy-to-use, importable stylesheet

Contributing

All contributions are greatly appreciated!

generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2024-12-23 13:44:55 +0000