commit dca69c04ad89286c9be51919083a28f2b47b4711 Author: Falko Date: Thu Aug 27 08:57:14 2026 +0200 init diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..faa78f6 --- /dev/null +++ b/.gitignore @@ -0,0 +1,9 @@ +node_modules + +.vscode +.github + +.env + +Thumbs.db +.DS_Store \ No newline at end of file diff --git a/README.md b/README.md new file mode 100644 index 0000000..e69de29 diff --git a/commands.json b/commands.json new file mode 100644 index 0000000..4e8aa42 --- /dev/null +++ b/commands.json @@ -0,0 +1,32 @@ +[ + { + "id": "9a6d9823-cc2f-45de-baf3-edce80402298", + "name": "HDMI 2 an", + "command": "echo 'on 1' | cec-client -s -d 1" + }, + { + "id": "9d357de0-8498-4413-bc58-e467b1f846c0", + "name": "HDMI 1 an", + "command": "echo 'on 0' | cec-client -s -d 1" + }, + { + "id": "dc598c39-37cd-4485-926b-a221291efd51", + "name": "HDMI 1 aus", + "command": "echo 'standby 0' | cec-client -s -d 1" + }, + { + "id": "2f7a2a72-de83-49fd-b013-1c7fc82a992d", + "name": 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document.getElementById("command"); +const list = document.getElementById("command-list"); +const emptyNote = document.getElementById("empty-note"); +const statusEl = document.getElementById("status"); +const outputEl = document.getElementById("output"); + +function setStatus(message, kind) { + statusEl.textContent = message; + statusEl.className = "status" + (kind ? ` ${kind}` : ""); +} + +function showOutput(text) { + outputEl.hidden = !text; + outputEl.textContent = text || ""; +} + +function formatTerminal(command, output) { + const lines = []; + if (command) lines.push(`$ ${command}`); + if (output) lines.push(output); + return lines.join("\n"); +} + +async function api(url, options) { + const res = await fetch(url, options); + const data = await res.json().catch(() => ({})); + if (!res.ok) { + const err = new Error(data.error || `Fehler ${res.status}`); + err.data = data; + throw err; + } + return data; +} + +function renderCommands(commands) { + list.replaceChildren(); + emptyNote.hidden = commands.length > 0; + + for (const cmd of commands) { + const li = document.createElement("li"); + + const info = document.createElement("div"); + info.className = "info"; + const name = document.createElement("span"); + name.className = "name"; + name.textContent = cmd.name; + const code = document.createElement("code"); + code.textContent = cmd.command; + info.append(name, code); + + const actions = document.createElement("div"); + actions.className = "actions"; + + const runBtn = document.createElement("button"); + runBtn.type = "button"; + runBtn.textContent = "Ausführen"; + runBtn.addEventListener("click", () => runCommand(cmd, runBtn)); + + const delBtn = document.createElement("button"); + delBtn.type = "button"; + delBtn.className = "delete"; + delBtn.textContent = "Löschen"; + delBtn.addEventListener("click", () => deleteCommand(cmd, delBtn)); + + actions.append(runBtn, delBtn); + li.append(info, actions); + list.append(li); + } +} + +async function loadCommands() { + try { + renderCommands(await api("/api/commands")); + } catch (err) { + setStatus(`Befehle konnten nicht geladen werden: ${err.message}`, "error"); + } +} + +async function runCommand(cmd, button) { + button.disabled = true; + setStatus(`„${cmd.name}" wird gesendet …`); + showOutput(""); + try { + const result = await api(`/api/commands/${cmd.id}/run`, { method: "POST" }); + setStatus( + result.ok + ? `„${cmd.name}" wurde gesendet.` + : `cec-client hat sich mit Exit-Code ${result.exitCode} beendet.`, + result.ok ? "ok" : "error" + ); + showOutput(formatTerminal(result.command, result.output)); + } catch (err) { + setStatus(`Ausführen fehlgeschlagen: ${err.message}`, "error"); + showOutput(formatTerminal(err.data?.command, err.data?.output)); + } finally { + button.disabled = false; + } +} + +async function deleteCommand(cmd, button) { + button.disabled = true; + try { + await api(`/api/commands/${cmd.id}`, { method: "DELETE" }); + setStatus(`„${cmd.name}" wurde gelöscht.`, "ok"); + await loadCommands(); + } catch (err) { + setStatus(`Löschen fehlgeschlagen: ${err.message}`, "error"); + button.disabled = false; + } +} + +form.addEventListener("submit", async (event) => { + event.preventDefault(); + const submitBtn = form.querySelector("button[type=submit]"); + submitBtn.disabled = true; + try { + await api("/api/commands", { + method: "POST", + headers: { "Content-Type": "application/json" }, + body: JSON.stringify({ + name: nameInput.value.trim(), + command: commandInput.value.trim(), + }), + }); + setStatus(`„${nameInput.value.trim()}" wurde gespeichert.`, "ok"); + form.reset(); + nameInput.focus(); + await loadCommands(); + } catch (err) { + setStatus(`Speichern fehlgeschlagen: ${err.message}`, "error"); + } finally { + submitBtn.disabled = false; + } +}); + +loadCommands(); diff --git a/public/index.html b/public/index.html new file mode 100644 index 0000000..197261b --- /dev/null +++ b/public/index.html @@ -0,0 +1,49 @@ + + + + + + CEC-Tool + + + +
+

📺 CEC-Tool

+

HDMI-CEC-Befehle speichern und über cec-client senden.

+ +
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+ Neuen Befehl anlegen +
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+ + + + Vollständiger Shell-Befehl, z. B. echo 'on 0' | cec-client -s -d 1 oder echo 'scan' | cec-client -s -d 1 + +
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Gespeicherte Befehle

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    Ausgabe

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    + + + + diff --git a/public/style.css b/public/style.css new file mode 100644 index 0000000..bb40a1e --- /dev/null +++ b/public/style.css @@ -0,0 +1,176 @@ +:root { + color-scheme: light dark; + --bg: #f6f7f9; + --surface: #ffffff; + --text: #1c1f23; + --muted: #5c6570; + --border: #d6dbe1; + --accent: #0b57d0; + --accent-text: #ffffff; + --danger: #b3261e; + --ok: #146c2e; + --output-bg: #14181d; + --output-text: #d7e0ea; +} + +@media (prefers-color-scheme: dark) { + :root { + --bg: #14181d; + --surface: #1d2229; + --text: #e6eaef; + --muted: #9aa4af; + --border: #39414b; + --accent: #6ea8ff; + --accent-text: #0b1526; + --danger: #ff8a80; + --ok: #7bd88f; + --output-bg: #0c0f13; + --output-text: #c8d2dc; + } +} + +* { box-sizing: border-box; } + +body { + margin: 0; + font-family: system-ui, sans-serif; + line-height: 1.5; + background: var(--bg); + color: var(--text); +} + +main { + max-width: 42rem; + margin: 0 auto; + padding: 1.5rem 1rem 3rem; +} + +h1 { margin-bottom: 0.25rem; } +.subtitle { margin-top: 0; color: var(--muted); } + +code { + font-family: ui-monospace, monospace; + font-size: 0.9em; + background: color-mix(in srgb, var(--border) 40%, transparent); + padding: 0.1em 0.35em; + border-radius: 4px; +} + +fieldset { + background: var(--surface); + border: 1px solid var(--border); + border-radius: 10px; + padding: 1rem 1.25rem 1.25rem; +} + +legend { + font-weight: 600; + padding: 0 0.4rem; +} + +.field { margin-bottom: 1rem; } + +label { + display: block; + font-weight: 600; + margin-bottom: 0.2rem; +} + +input[type="text"] { + width: 100%; + padding: 0.5rem 0.65rem; + font: inherit; + color: inherit; + background: var(--bg); + border: 1px solid var(--border); + border-radius: 6px; +} + +input:focus-visible, +button:focus-visible { + outline: 3px solid var(--accent); + outline-offset: 2px; +} + +input:user-invalid { + border-color: var(--danger); +} + +.hint { + display: block; + margin-top: 0.25rem; + font-size: 0.85rem; + color: var(--muted); +} + +button { + font: inherit; + font-weight: 600; + padding: 0.45rem 1rem; + border: 1px solid transparent; + border-radius: 6px; + cursor: pointer; + background: var(--accent); + color: var(--accent-text); +} + +button:hover { filter: brightness(1.1); } +button:disabled { opacity: 0.55; cursor: wait; } + +.command-list { + list-style: none; + margin: 0; + padding: 0; + display: grid; + gap: 0.5rem; +} + +.command-list li { + display: flex; + align-items: center; + gap: 0.75rem; + flex-wrap: wrap; + background: var(--surface); + border: 1px solid var(--border); + border-radius: 10px; + padding: 0.6rem 0.9rem; +} + +.command-list .info { + flex: 1; + min-width: 10rem; +} + +.command-list .name { + font-weight: 600; + display: block; +} + +.command-list .actions { + display: flex; + gap: 0.5rem; +} + +button.delete { + background: transparent; + color: var(--danger); + border-color: var(--danger); +} + +.status { min-height: 1.5em; margin: 0.25rem 0 0.5rem; } +.status.ok { color: var(--ok); } +.status.error { color: var(--danger); } + +.output { + background: var(--output-bg); + color: var(--output-text); + border-radius: 10px; + padding: 0.9rem 1rem; + font-family: ui-monospace, monospace; + font-size: 0.85rem; + white-space: pre-wrap; + word-break: break-word; + max-height: 20rem; + overflow-y: auto; + margin: 0; +} diff --git a/server.js b/server.js new file mode 100644 index 0000000..1a85200 --- /dev/null +++ b/server.js @@ -0,0 +1,89 @@ +const express = require("express"); +const fs = require("fs"); +const path = require("path"); +const { exec } = require("child_process"); +const crypto = require("crypto"); + +const PORT = process.env.PORT || 3000; +const DATA_FILE = path.join(__dirname, "commands.json"); +const CEC_TIMEOUT_MS = 15000; + +const app = express(); +app.use(express.json()); +app.use(express.static(path.join(__dirname, "public"))); + +function loadCommands() { + try { + return JSON.parse(fs.readFileSync(DATA_FILE, "utf8")); + } catch { + return []; + } +} + +function saveCommands(commands) { + fs.writeFileSync(DATA_FILE, JSON.stringify(commands, null, 2) + "\n"); +} + +// Alle gespeicherten Befehle +app.get("/api/commands", (req, res) => { + res.json(loadCommands()); +}); + +// Neuen Befehl anlegen +app.post("/api/commands", (req, res) => { + const name = (req.body.name || "").trim(); + const command = (req.body.command || "").trim(); + if (!name || !command) { + return res.status(400).json({ error: "Name und Command dürfen nicht leer sein." }); + } + const commands = loadCommands(); + const entry = { id: crypto.randomUUID(), name, command }; + commands.push(entry); + saveCommands(commands); + res.status(201).json(entry); +}); + +// Befehl löschen +app.delete("/api/commands/:id", (req, res) => { + const commands = loadCommands(); + const remaining = commands.filter((c) => c.id !== req.params.id); + if (remaining.length === commands.length) { + return res.status(404).json({ error: "Befehl nicht gefunden." }); + } + saveCommands(remaining); + res.json({ ok: true }); +}); + +// Befehl als Shell-Kommando ausführen +app.post("/api/commands/:id/run", (req, res) => { + const entry = loadCommands().find((c) => c.id === req.params.id); + if (!entry) { + return res.status(404).json({ error: "Befehl nicht gefunden." }); + } + + exec(entry.command, { timeout: CEC_TIMEOUT_MS }, (error, stdout, stderr) => { + const output = (stdout + stderr).trim(); + + if (error?.killed) { + return res.status(504).json({ + error: `Befehl wurde nach ${CEC_TIMEOUT_MS / 1000}s abgebrochen (${error.signal}).`, + command: entry.command, + output, + }); + } + + if (error && typeof error.code !== "number") { + return res.status(500).json({ + error: `Befehl konnte nicht ausgeführt werden: ${error.message}`, + command: entry.command, + }); + } + + const exitCode = error ? error.code : 0; + res.json({ ok: exitCode === 0, exitCode, command: entry.command, output }); + }); +}); + +app.listen(PORT, () => { + console.log(`CEC-Tool läuft auf http://localhost:${PORT}`); +});