experiment with modular services; more unix domain sockets, clean up old code

9 files changed, 0 insertions, 668 deletions

diff --git a/modules/services/nixos/jta/assignments.html b/modules/services/nixos/jta/assignments.html
deleted file mode 100644
index 3031a29..0000000
--- a/modules/services/nixos/jta/assignments.html
+++ /dev/null
@@ -1,148 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-	<head>
-		<meta charset="UTF-8">
-		<meta name="viewport" content="width=device-width, initial-scale=1.0">
-		<title>jta@ganymede</title>
-		<link rel="stylesheet" href="style.css">
-		<style>
-			body {
-				margin: 0;
-				max-width: none;
-				padding: 0;
-				background: var(--bg);
-			}
-
-			header {
-				padding: 1.25rem 1.5rem;
-				text-align: center;
-				font-family: var(--font-heading);
-				font-size: var(--step-2);
-				line-height: 1.2;
-				letter-spacing: -0.01em;
-				font-weight: 700;
-				background: #020617;
-				border-bottom: 1px solid var(--border);
-			}
-
-			.section {
-				padding: 1rem;
-				max-width: 1100px;
-				margin: 0 auto;
-			}
-
-			.section-title {
-				font-size: var(--step-1);
-				line-height: 1.25;
-				letter-spacing: -0.01em;
-				margin: 1rem 0 0.5rem 0.5rem;
-				color: var(--text-soft);
-			}
-
-			.container {
-				display: grid;
-				grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
-				gap: 1rem;
-				padding: 0 1rem 1rem 1rem;
-			}
-
-			.card {
-				background: var(--card);
-				border: 1px solid var(--border);
-				border-radius: 16px;
-				padding: 1rem;
-				box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
-				transition: transform 0.15s ease, box-shadow 0.15s ease;
-				cursor: pointer;
-				text-decoration: none;
-				color: var(--text);
-				display: block;
-			}
-
-			.card:hover {
-				transform: translateY(-4px);
-				box-shadow: 0 10px 20px rgba(0, 0, 0, 0.6);
-			}
-
-			.title {
-				font-size: var(--step-1);
-				line-height: 1.3;
-				letter-spacing: -0.01em;
-				font-weight: 600;
-				margin-bottom: 0.5rem;
-			}
-
-			.due {
-				font-size: var(--step--1);
-				color: var(--muted);
-				margin-bottom: 0.5rem;
-			}
-
-			.desc {
-				font-size: var(--step--1);
-				color: var(--text-soft);
-				line-height: 1.55;
-			}
-		</style>
-	</head>
-	<body>
-		<header>Juksere Trives Aldri</header>
-
-		<div id="app"></div>
-
-		<script>
-			const app = document.getElementById("app");
-
-			function renderHome(data) {
-				const groups = {};
-				data.forEach((item) => {
-					const cls = item.class || "Other";
-					if (!groups[cls]) groups[cls] = [];
-					groups[cls].push(item);
-				});
-
-				Object.entries(groups).forEach(([cls, items]) => {
-					const section = document.createElement("div");
-					section.className = "section";
-
-					const title = document.createElement("div");
-					title.className = "section-title";
-					title.textContent = cls;
-					section.appendChild(title);
-
-					const container = document.createElement("div");
-					container.className = "container";
-
-					items.forEach((item) => {
-						const card = document.createElement("a");
-						card.className = "card";
-						card.href = item.link || "#";
-
-						card.innerHTML = `
-						<div class="title">${item.title}</div>
-						<div class="due">Due: ${item.due}</div>
-						${item.description ? `<div class="desc">${item.description}</div>` : ""}
-						`;
-
-						container.appendChild(card);
-					});
-
-					section.appendChild(container);
-					app.appendChild(section);
-				});
-			}
-
-			fetch("assignments.json")
-				.then((res) => {
-					if (!res.ok) {
-						throw new Error("Failed to load data");
-					}
-					return res.json();
-				})
-				.then((data) => renderHome(data))
-				.catch(() => {
-					app.innerHTML = "<p style='padding:1rem;'>Failed to load data.</p>";
-				});
-		</script>
-	</body>
-</html>
diff --git a/modules/services/nixos/jta/default.nix b/modules/services/nixos/jta/default.nix
deleted file mode 100644
index 31f5bbd..0000000
--- a/modules/services/nixos/jta/default.nix
+++ /dev/null
@@ -1,48 +0,0 @@
-{
-  pkgs,
-  config,
-  lib,
-  ...
-}: let
-  cfg = config.collinux.services.jta;
-  package = pkgs.callPackage ./pkg.nix {};
-in {
-  config = lib.mkIf cfg.enable {
-    users.groups."jta" = {};
-    users.users."jta" = {
-      isSystemUser = true;
-      group = "jta";
-      extraGroups = ["fileserver"];
-
-      home = "/var/lib/jta";
-      createHome = true;
-      homeMode = "755";
-    };
-
-    systemd.services."jta" = {
-      restartIfChanged = true;
-      wants = ["network-online.target" "caddy.service"];
-      after = ["network-online.target" "caddy.service"];
-
-      environment = {
-        PORT = toString cfg.port;
-        ROOT_DIR = "/media/jta";
-        AUTH_PASSWORD_HASH = "550b6785c4bce2ab41a5e2eaa1eb43172d5abbd58237f1c78cd32cb190edc2c5"; # alfreddabuttlerwithtwots
-      };
-
-      serviceConfig = {
-        User = "jta";
-        Type = "simple";
-
-        WorkingDirectory = "/var/lib/jta";
-        ExecStart = "${package}/bin/jta";
-      };
-
-      wantedBy = ["multi-user.target"];
-    };
-
-    services.caddy.virtualHosts."jta.williamsfam.us.com".extraConfig = ''
-      reverse_proxy 127.0.0.1:${toString cfg.port}
-    '';
-  };
-}
diff --git a/modules/services/nixos/jta/go.mod b/modules/services/nixos/jta/go.mod
deleted file mode 100644
index 8f27af1..0000000
--- a/modules/services/nixos/jta/go.mod
+++ /dev/null
@@ -1,5 +0,0 @@
-module git.ganymede/jta
-
-go 1.25.5
-
-require github.com/yuin/goldmark v1.8.2
diff --git a/modules/services/nixos/jta/go.sum b/modules/services/nixos/jta/go.sum
deleted file mode 100644
index 6a37955..0000000
--- a/modules/services/nixos/jta/go.sum
+++ /dev/null
@@ -1,2 +0,0 @@
-github.com/yuin/goldmark v1.8.2 h1:kEGpgqJXdgbkhcOgBxkC0X0PmoPG1ZyoZ117rDVp4zE=
-github.com/yuin/goldmark v1.8.2/go.mod h1:ip/1k0VRfGynBgxOz0yCqHrbZXhcjxyuS66Brc7iBKg=
diff --git a/modules/services/nixos/jta/index.html b/modules/services/nixos/jta/index.html
deleted file mode 100644
index 96b6f5f..0000000
--- a/modules/services/nixos/jta/index.html
+++ /dev/null
@@ -1,134 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-	<head>
-		<meta charset="UTF-8">
-		<meta name="viewport" content="width=device-width, initial-scale=1.0">
-		<title>JTA Login</title>
-		<link rel="stylesheet" href="style.css">
-		<style>
-			body {
-				margin: 0;
-				min-height: 100vh;
-				display: grid;
-				place-items: center;
-				padding: 1rem;
-				background: var(--bg);
-			}
-
-			.card {
-				width: min(520px, 100%);
-				background: var(--card);
-				border: 1px solid var(--border);
-				border-radius: 16px;
-				padding: 1.5rem;
-				box-shadow: 0 10px 28px rgba(0, 0, 0, 0.38);
-			}
-
-			h1 {
-				margin: 0 0 0.25rem 0;
-				text-align: center;
-				font-family: var(--font-heading);
-				font-size: var(--step-2);
-				line-height: 1.15;
-				font-weight: 700;
-			}
-
-			p {
-				margin: 0.5rem 0 1.2rem 0;
-				text-align: center;
-				color: var(--text-soft);
-				line-height: 1.5;
-			}
-
-			.actions {
-				display: flex;
-				justify-content: center;
-				gap: 0.75rem;
-			}
-
-			button {
-				appearance: none;
-				border: 1px solid var(--border);
-				border-radius: 12px;
-				background: #0f172a;
-				color: var(--text);
-				padding: 0.65rem 1rem;
-				font-size: var(--step-0);
-				font-weight: 600;
-				cursor: pointer;
-				transition: transform 0.15s ease, box-shadow 0.15s ease;
-			}
-
-			button:hover {
-				transform: translateY(-1px);
-				box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
-			}
-
-			#status {
-				margin-top: 1rem;
-				text-align: center;
-				min-height: 1.25rem;
-				font-size: var(--step--1);
-				color: var(--text-soft);
-			}
-		</style>
-	</head>
-	<body>
-		<div class="card">
-			<h1>JTA Portal</h1>
-			<p>Public landing page. Login is required to view assignments and all other pages.</p>
-
-			<div class="actions">
-				<button id="login-btn" type="button">Login</button>
-			</div>
-
-			<div id="status" aria-live="polite"></div>
-		</div>
-
-		<script>
-			const authCookieName = "jta_auth";
-			const status = document.getElementById("status");
-			const loginButton = document.getElementById("login-btn");
-
-			function toHex(buffer) {
-				const bytes = new Uint8Array(buffer);
-				return Array.from(bytes)
-					.map((b) => b.toString(16).padStart(2, "0"))
-					.join("");
-			}
-
-			async function sha256Hex(input) {
-				const data = new TextEncoder().encode(input);
-				const digest = await crypto.subtle.digest("SHA-256", data);
-				return toHex(digest);
-			}
-
-			function setAuthCookie(hashValue) {
-				const maxAge = 10 * 365 * 24 * 60 * 60;
-				document.cookie = `${authCookieName}=${hashValue}; Path=/; Max-Age=${maxAge}; SameSite=Lax`;
-			}
-
-			async function loginWithPrompt() {
-				const password = prompt("Enter password");
-				if (password === null) {
-					status.textContent = "Login cancelled.";
-					return;
-				}
-
-				status.textContent = "Logging in...";
-
-				const hashValue = await sha256Hex(password);
-				setAuthCookie(hashValue);
-
-				status.textContent = "Success. Redirecting...";
-				window.location.href = "/assignments";
-			}
-
-			loginButton.addEventListener("click", () => {
-				loginWithPrompt().catch(() => {
-					status.textContent = "Network error while logging in.";
-				});
-			});
-		</script>
-	</body>
-</html>
diff --git a/modules/services/nixos/jta/main.go b/modules/services/nixos/jta/main.go
deleted file mode 100644
index e7b5a0f..0000000
--- a/modules/services/nixos/jta/main.go
+++ /dev/null
@@ -1,142 +0,0 @@
-package main
-
-import (
-	"bytes"
-	_ "embed"
-	"html/template"
-	"net/http"
-	"os"
-	"path/filepath"
-	"strings"
-
-	"github.com/yuin/goldmark"
-	"github.com/yuin/goldmark/extension"
-)
-
-// Configure Goldmark with GitHub Flavored Markdown
-var mdParser = goldmark.New(
-	goldmark.WithExtensions(
-		extension.GFM,
-	),
-)
-
-//go:embed md_template.html
-var mdTemplate string
-
-//go:embed style.css
-var styleCSS string
-
-//go:embed index.html
-var indexHTML string
-
-//go:embed assignments.html
-var assignmentsHTML string
-
-var pageTmpl = template.Must(template.New("md_template.html").Parse(mdTemplate))
-
-const authCookieName = "jta_auth"
-
-func isAuthenticated(w http.ResponseWriter, r *http.Request) bool {
-	expectedHash := strings.TrimSpace(os.Getenv("AUTH_PASSWORD_HASH"))
-	if expectedHash == "" {
-		return false
-	}
-
-	// Try cookie first
-	if cookie, err := r.Cookie(authCookieName); err == nil {
-		providedHash := strings.TrimSpace(cookie.Value)
-		if providedHash != "" && strings.EqualFold(providedHash, expectedHash) {
-			return true
-		}
-	}
-
-	// Fallback to URL parameter
-	paramHash := strings.TrimSpace(r.URL.Query().Get(authCookieName))
-	if paramHash != "" && strings.EqualFold(paramHash, expectedHash) {
-		http.SetCookie(w, &http.Cookie{
-			Name:     authCookieName,
-			Value:    paramHash,
-			Path:     "/",
-			HttpOnly: true,                 // Security: Protects against XSS cookie theft
-			Secure:   false,                // Set to true if you are hosting over HTTPS
-			SameSite: http.SameSiteLaxMode, // Prevents CSRF vulnerabilities
-		})
-		return true
-	}
-
-	return false
-}
-
-func serveMarkdown(w http.ResponseWriter, r *http.Request) {
-	// Prevent path traversal
-	clean := filepath.Clean(r.URL.Path)
-	path := filepath.Join(rootDir, strings.TrimPrefix(clean, "/"))
-
-	mdBytes, err := os.ReadFile(path)
-	if err != nil {
-		http.NotFound(w, r)
-		return
-	}
-
-	var buf bytes.Buffer
-	if err := mdParser.Convert(mdBytes, &buf); err != nil {
-		http.Error(w, "failed to render markdown", 500)
-		return
-	}
-
-	w.Header().Set("Content-Type", "text/html; charset=utf-8")
-
-	pageTmpl.Execute(w, map[string]template.HTML{
-		"Content": template.HTML(buf.String()),
-	})
-}
-
-var rootDir = "."
-
-func main() {
-	if envRootDir := os.Getenv("ROOT_DIR"); envRootDir != "" {
-		rootDir = envRootDir
-	}
-
-	fs := http.FileServer(http.Dir(rootDir))
-	port := os.Getenv("PORT")
-	if port == "" {
-		port = "8080"
-	}
-
-	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
-		if r.URL.Path == "/" || r.URL.Path == "/index.html" {
-			w.Header().Set("Content-Type", "text/html; charset=utf-8")
-			w.Write([]byte(indexHTML))
-			return
-		}
-
-		if r.URL.Path == "/style.css" {
-			w.Header().Set("Content-Type", "text/css; charset=utf-8")
-			w.Write([]byte(styleCSS))
-			return
-		}
-
-		if !isAuthenticated(w, r) {
-			http.Error(w, "unauthorized", http.StatusUnauthorized)
-			return
-		}
-
-		if r.URL.Path == "/assignments" || r.URL.Path == "/assignments.html" {
-			w.Header().Set("Content-Type", "text/html; charset=utf-8")
-			w.Write([]byte(assignmentsHTML))
-			return
-		}
-
-		// Intercept markdown files
-		if strings.HasSuffix(r.URL.Path, ".md") {
-			serveMarkdown(w, r)
-			return
-		}
-
-		// Otherwise serve normally
-		fs.ServeHTTP(w, r)
-	})
-
-	http.ListenAndServe(":"+port, nil)
-}
diff --git a/modules/services/nixos/jta/md_template.html b/modules/services/nixos/jta/md_template.html
deleted file mode 100644
index daa57b7..0000000
--- a/modules/services/nixos/jta/md_template.html
+++ /dev/null
@@ -1,11 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-	<head>
-		<meta charset="UTF-8">
-		<title>JTA</title>
-		<link rel="stylesheet" href="/style.css">
-	</head>
-	<body>
-		{{.Content}}
-	</body>
-</html>
diff --git a/modules/services/nixos/jta/pkg.nix b/modules/services/nixos/jta/pkg.nix
deleted file mode 100644
index c8f7d77..0000000
--- a/modules/services/nixos/jta/pkg.nix
+++ /dev/null
@@ -1,6 +0,0 @@
-{pkgs ? import <nixpkgs> {system = "x86_64-linux";}, ...}:
-pkgs.buildGoModule {
-  name = "jta";
-  src = ./.;
-  vendorHash = "sha256-aeJYO52ALbGxyTFPw6eGCmPlmuCvbXEoX9gcXatN29E=";
-}
diff --git a/modules/services/nixos/jta/style.css b/modules/services/nixos/jta/style.css
deleted file mode 100644
index ec09ca9..0000000
--- a/modules/services/nixos/jta/style.css
+++ /dev/null
@@ -1,172 +0,0 @@
-:root {
-  --bg: #0f172a;
-  --card: #1e293b;
-  --accent: #22c55e;
-  --text: #e2e8f0;
-  --text-soft: #cbd5e1;
-  --muted: #94a3b8;
-  --border: #334155;
-
-  --font-body: "Avenir Next", "Segoe UI", "Noto Sans", "Helvetica Neue", sans-serif;
-  --font-heading: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, serif;
-  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
-
-  --step--1: clamp(0.88rem, 0.86rem + 0.12vw, 0.96rem);
-  --step-0: clamp(1rem, 0.98rem + 0.16vw, 1.08rem);
-  --step-1: clamp(1.14rem, 1.08rem + 0.26vw, 1.28rem);
-  --step-2: clamp(1.3rem, 1.2rem + 0.45vw, 1.56rem);
-  --step-3: clamp(1.7rem, 1.45rem + 1.1vw, 2.25rem);
-}
-
-/* Base layout */
-body {
-  font-family: var(--font-body);
-  font-size: var(--step-0);
-  background: var(--bg);
-  color: var(--text);
-  max-width: 850px;
-  margin: 2rem auto;
-  padding: 1.5rem;
-  line-height: 1.7;
-  text-rendering: optimizeLegibility;
-}
-
-/* Headings */
-h1 {
-  font-family: var(--font-heading);
-  font-size: var(--step-3);
-  line-height: 1.15;
-  font-weight: 700;
-  letter-spacing: -0.02em;
-  text-align: center;
-  margin: 0 0 1.25rem;
-}
-
-h2 {
-  font-family: var(--font-heading);
-  margin-top: 2.25rem;
-  margin-bottom: 0.75rem;
-  font-size: var(--step-2);
-  line-height: 1.25;
-  letter-spacing: -0.01em;
-}
-
-h3 {
-  font-family: var(--font-heading);
-  margin-top: 1.5rem;
-  margin-bottom: 0.6rem;
-  font-size: var(--step-1);
-  line-height: 1.3;
-  color: var(--text-soft);
-}
-
-/* Text */
-p {
-  color: var(--text);
-  margin-bottom: 1rem;
-  max-width: 65ch;
-}
-
-/* Ordered list (questions) */
-ol {
-  padding-left: 1.2rem;
-  max-width: 65ch;
-}
-
-/* Answer list */
-ul {
-  list-style: none;
-  padding-left: 1.2rem;
-  max-width: 65ch;
-}
-
-ul li {
-  display: flex;
-  align-items: flex-start;
-  gap: 0.6rem;
-  padding: 0.35rem 0.4rem;
-  border-radius: 8px;
-  transition: background 0.15s ease;
-}
-
-/* Checkbox styling */
-input[type="checkbox"] {
-  accent-color: var(--accent);
-  transform: scale(1.2);
-  margin-top: 0.2rem;
-  pointer-events: none;
-}
-
-/* Correct answers */
-li:has(input[type="checkbox"]:checked) {
-  color: #86efac;
-  font-weight: 500;
-}
-
-/* Code blocks */
-pre {
-  font-family: var(--font-mono);
-  font-size: var(--step--1);
-  line-height: 1.6;
-  background: #020617;
-  padding: 1rem;
-  border-radius: 10px;
-  overflow-x: auto;
-  margin: 1rem 0;
-  max-width: 65ch;
-}
-
-code {
-  font-family: var(--font-mono);
-  font-size: 0.95em;
-  background: #020617;
-  padding: 2px 6px;
-  border-radius: 6px;
-}
-
-img {
-  display: block;
-  max-width: 100%;
-  height: auto;
-  margin: 1rem 0;
-  border-radius: 10px;
-}
-
-p > img,
-li > img {
-  margin: 0.75rem 0;
-}
-
-a > img {
-  transition: transform 0.15s ease, box-shadow 0.15s ease;
-}
-
-a:hover > img {
-  transform: translateY(-1px);
-  box-shadow: 0 8px 20px rgba(2, 6, 23, 0.45);
-}
-
-img[width],
-img[height] {
-  width: auto;
-  height: auto;
-  max-width: 100%;
-}
-
-/* Links */
-a {
-  color: #93c5fd;
-  text-decoration-line: underline;
-  text-decoration-thickness: 2px;
-  text-underline-offset: 0.14em;
-  text-decoration-color: rgba(147, 197, 253, 0.45);
-}
-
-a:hover {
-  text-decoration-color: currentColor;
-}
-
-/* Optional: make everything feel tighter and nicer */
-* {
-  box-sizing: border-box;
-}