2021-04-30 05:28:21 +03:00
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<!DOCTYPE html>
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<html lang=en>
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2021-08-09 02:52:45 +03:00
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<head>
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<title>A Minimal, SQLite-Backed URL Shortener</title>
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<meta charset='utf-8'>
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<meta http-equiv='X-UA-Compatible' content='IE=edge,chrome=1'>
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<meta http-equiv='Content-Type' content='text/html; charset=utf-8'>
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<meta name='viewport' content='width=device-width, initial-scale=1'>
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<meta content='A minimal, SQLite backed URL shortener. Made with Go, Vim, and FreeBSD.' name='description'>
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</head>
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<body style='font-family: monospace; max-width: 80ch;'>
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<header>
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A Minimal, SQLite-Backed URL Shortener
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</header>
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<style>
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@media (max-width: 1000px) {
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pre code {
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display: block;
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max-width: 100%%;
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overflow-x: auto;
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-webkit-overflow-scrolling: touch;
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padding: 0 5px 5px 0;
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}
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}
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</style>
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<pre><code>| Examples:
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| 1. Create a short link to https://duckduckgo.com
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| $ curl -d https://duckduckgo.com {{.URL}}
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| {{.URL}}/502fb5543c36014f
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2021-06-06 02:03:35 +03:00
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| 2. Create a short link with a custom path
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| $ curl -d https://duckduckgo.com {{.URL}}/ddg
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| {{.URL}}/ddg
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2021-08-12 21:10:17 +03:00
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| 3. Create a short link to https://duckduckgo.com using a query string
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| $ curl {{.URL}}?https://duckduckgo.com
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| {{.URL}}/1acd382417199d7e
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| 4. Create a short link with a custom path using a query string
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| $ curl {{.URL}}/ddg?https://duckduckgo.com
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| {{.URL}}/ddg
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2021-08-09 04:33:52 +03:00
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| 5. You can also pass an encoded URL:
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| $ curl {{.URL}}?https%3A%2F%2Fduckduckgo.com
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| {{.URL}}/1dc4cb37e81de396
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| 6. Deleting a short link
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| $ TMP=$(mktemp)
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| $ # temp file will store header
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| $ LINK=$(curl -sS {{.URL}} -d https://duckduckgo.com -D $TMP)
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| $ # the link has been successfully created
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| $ DEL=$(cat $TMP | grep -i delete-with | awk '{print$2}'| tr -d '\r')
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| $ # deletion key is stored in 'X-Delete-With' header.
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| $ curl $LINK
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| <a href="https://duckduckgo.com">Permanent Redirect</a>.
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| $ # the link is working as expected
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| $ curl $LINK -X DELETE -d $DEL
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| $ curl $LINK
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| record not found
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| $ # the link has been successfully deleted.</code></pre>
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{{if .Demo}}
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<p>
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Please note: this is an example deployment. If you attempt to create a short
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link here you will receive a 401 Unauthorized. If you like the examples above
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and want to use this URL shortener you should self-host an instance. It's easy
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to do (one of the design goals). Below are instructions detailing how.
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<p>
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{{end}}
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<pre><code>| How to self-host:
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| 1. Install dependencies
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| a. The Go programming language
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| <a href='https://golang.org/doc/install'>https://golang.org/doc/install</a>
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| b. Git version control
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| <a href='https://git-scm.com/book/en/v2/Getting-Started-Installing-Git'>https://git-scm.com/book/en/v2/Getting-Started-Installing-Git</a>
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| * Most distributions should have Go and Git in their repositories,
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| simply as go and git.
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| Install these through your package manager, e.g.:
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| # pacman -S go git
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| # emerge --ask dev-lang/go dev-vcs/git
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| # apt install go git
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| 2. Fetch and compile the source code
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| # env GO111MODULE=off go get git.swurl.xyz/swirl/link
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| 3. Copy the binary to your binary directory
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| # cp $GOPATH/bin/link /usr/local/bin/linkserv
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| # # Named linkserv to prevent conflicts with GNU link
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| 4. Create a directory to store your database:
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| # mkdir -p /srv/link
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| 5. (optional) Create a systemd service:
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| # vim /etc/systemd/system/link.service
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[Unit]
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Description=link shortener
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After=network.target
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[Service]
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ExecStart=/usr/local/bin/linkserv -url http://your.doma.in -db /srv/link/link.db -seed "secret"
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[Install]
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WantedBy=multi-user.target
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| * You can also create an equivalent for openrc, runit, etc.
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| 6. (optional) Enable and start
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| 7. Or, run it manually:
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| # linkserv -url http://your.doma.in -db /srv/link/link.db -seed "secret"
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| * The server is now running on localhost at port 8080.
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| * If the SQLite database does not exist, it will be created.
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| * All logging will be printed to standard error and standard output.
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| Set up an NGINX reverse proxy:
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| 1. Install dependencies
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| * nginx
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| * certbot
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| * certbot nginx plugin
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| * Most distributions should have these in their repositories:
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| # pacman -S nginx certbot-nginx
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| # emerge --ask www-servers/nginx app-crypt/certbot-nginx
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| # apt install nginx python-certbot-nginx
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| 2. Create the site file
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| # vim /etc/nginx/sites-available/link
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server {
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rewrite_log on;
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server_name your.doma.in;
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location / {
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proxy_pass http://localhost:8080; # or whatever port you're running link on
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}
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listen 80;
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}
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| 3. Enable the site
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| # ln -s /etc/nginx/sites-{available,enabled}/link
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| 4. Enable https for the site
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| # certbot --nginx -d your.doma.in
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| 4. Enable and start nginx
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| # systemctl enable --now nginx
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| # # Or, if you already have nginx running, reload it:
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| # systemctl reload nginx
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| * Your site should now be running on https://your.doma.in.
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| * To run in a subdirectory, simply put the proxy_pass in the subdirectory, e.g.:
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location /shortener {
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proxy_pass http://localhost:8080;
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}
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| * If you want to use another HTTP server, then create the equivalent for that HTTP server.
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</code></pre>
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<footer style='white-space: pre;'>Source code: <a href='https://short.swurl.xyz/src'>short.swurl.xyz/src</a></a>
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License: AGPL v3{{if .Copy}}
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Copy: {{.Copy}}{{end}}
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Made with: Go, Neovim, and Gentoo/Arch Linux
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</footer>
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</html>
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