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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1 +1,2 @@ | ||
| node_modules/ | ||
| succeed/target/ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,19 @@ | ||
| Port 2424 | ||
| ListenAddress auth.snoot.club | ||
| HostKey /etc/ssh/ssh_host_rsa_key | ||
| HostKey /etc/ssh/ssh_host_ecdsa_key | ||
| HostKey /etc/ssh/ssh_host_ed25519_key | ||
| LoginGraceTime 1m | ||
| PermitRootLogin no | ||
| MaxAuthTries 1 | ||
| MaxSessions 1 | ||
| PubkeyAuthentication yes | ||
| PasswordAuthentication no | ||
| ChallengeResponseAuthentication no | ||
| UsePAM no | ||
| AllowAgentForwarding no | ||
| AllowTcpForwarding no | ||
| PrintMotd no | ||
| PrintLastLog yes | ||
| PidFile /run/sshd.auth.snoot.club.pid | ||
| ForceCommand /snoots/auth/bin/succeed |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,7 +1,105 @@ | ||
| let {send} = require("micro") | ||
| let execa = require("execa") | ||
| let net = require("net") | ||
| let fs = require("fs").promises | ||
| let {router, get} = require("microrouter") | ||
| let crypto = require("crypto") | ||
|
|
||
| function await | ||
| async function getSnoot(name) { | ||
| let {stdout: snootid} = await execa("id", ["-u", name]).catch(() => ({})) | ||
| return snootid | ||
| } | ||
|
|
||
| async function authenticate(request, response, name) { | ||
| let snootid = await getSnoot(name) | ||
|
|
||
| if (!snootid) { | ||
| return send(response, 401, `${name} is NOT a snoot`) | ||
| } | ||
|
|
||
| return `<!doctype html> | ||
| <meta charset="utf-8"> | ||
| <title>authenticate ${name}</title> | ||
| <h1>authenticate yourself</h1> | ||
| <p>hello, ${name}</p> | ||
| <p>click this:</p> | ||
| <p><a href="/listen/${name}">listen</a></p> | ||
| <p>then run this in your terminal!</p> | ||
| <pre><code> | ||
| ssh ${name}@auth.snoot.club -p 2424 | ||
| </code></pre> | ||
| ` | ||
| } | ||
|
|
||
| async function listen(request, response, name) { | ||
| let snootid = await getSnoot(name) | ||
|
|
||
| if (!snootid) { | ||
| return send(response, 401, `${name} is NOT a snoot`) | ||
| } | ||
|
|
||
| let sockPath = `/snoots/auth/socks/${snootid}.sock` | ||
|
|
||
| fs.unlink(sockPath).catch(() => ({})) | ||
| let timeout | ||
| let server = net.createServer(function(client) { | ||
| let data = "" | ||
| client.on("data", d => { | ||
| data += d.toString() | ||
| }) | ||
| client.on("end", async _ => { | ||
| if (data == "success") { | ||
| clearTimeout(timeout) | ||
| let token = `${name}.${crypto.randomBytes(22).toString("base64")}` | ||
| await fs.writeFile(`/snoots/auth/sessions/${name}`, token) | ||
| response.setHeader( | ||
| "Set-Cookie", | ||
| `session=${token}; Domain=snoot.club; Secure;` | ||
| ) | ||
| send(response, 200, "Thanks ! Enjoy your cookie") | ||
| } else { | ||
| clearTimeout(timeout) | ||
| return send(response, 401, "Something naughty happened.") | ||
| } | ||
| }) | ||
| client.on("error", () => { | ||
| clearTimeout(timeout) | ||
| return send(response, 400, "The ssh client errored out :(") | ||
| }) | ||
| }) | ||
| timeout = setTimeout(() => { | ||
| server.close(function() { | ||
| send(response, 408, "That took too long! please try again") | ||
| }) | ||
| }, 60000) | ||
| server.listen(sockPath) | ||
| } | ||
|
|
||
| async function notfound(request, response) { | ||
| return send( | ||
| response, | ||
| 404, | ||
| "go to https://auth.snoot.club/start/your_snoot_name" | ||
| ) | ||
| } | ||
|
|
||
| module.exports = (request, response) => { | ||
| send( | ||
| let parts = request.url.split("/").filter(Boolean) | ||
|
|
||
| if (parts.length == 1) { | ||
| let [name] = parts | ||
| return authenticate(request, response, name) | ||
| } | ||
|
|
||
| if (parts.length == 2 && parts[0] == "listen") { | ||
| let [, name] = parts | ||
| return listen(request, response, name) | ||
| } | ||
|
|
||
| return notfound(request, response) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,3 @@ | ||
| { | ||
| "lib": "es2019" | ||
| } |
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