238 lines
9.9 KiB
JavaScript
238 lines
9.9 KiB
JavaScript
import { encryptString, decryptToString, toBlob } from "./crypto.js";
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const els = {
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shardUrl: document.getElementById("shardUrl"),
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bearer: document.getElementById("bearer"),
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passphrase: document.getElementById("passphrase"),
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saveConn: document.getElementById("saveConn"),
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health: document.getElementById("health"),
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visibility: document.getElementById("visibility"),
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title: document.getElementById("title"),
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body: document.getElementById("body"),
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publish: document.getElementById("publish"),
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publishStatus: document.getElementById("publishStatus"),
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posts: document.getElementById("posts"),
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discordStart: document.getElementById("discordStart"),
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};
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function defaultApiBase() {
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// 1) URL query override: …/index.html?api=http://host:9080
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try {
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const qs = new URLSearchParams(window.location.search);
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const qApi = qs.get("api");
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if (qApi) return qApi.replace(/\/+$/, "");
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} catch {}
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// 2) Meta override in index.html: <meta name="gc-api-base" content="http://host:9080">
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const m = document.querySelector('meta[name="gc-api-base"]');
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if (m && m.content) return m.content.replace(/\/+$/, "");
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// 3) Heuristic from frontend origin
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try {
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const u = new URL(window.location.href);
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const proto = u.protocol;
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const host = u.hostname; // no port
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const portStr = u.port; // "" if default (80/443)
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const bracketHost = host.includes(":") ? `[${host}]` : host; // IPv6-safe
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const port = portStr ? parseInt(portStr, 10) : null;
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let apiPort = port;
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// Known frontend→API mappings
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if (port === 8082) apiPort = 8080;
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else if (port === 9082) apiPort = 9080;
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else if (port) apiPort = Math.max(1, port - 2); // generic “minus two” fallback
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return apiPort ? `${proto}//${bracketHost}:${apiPort}` : `${proto}//${bracketHost}`;
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} catch {
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return window.location.origin.replace(/\/+$/, "");
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}
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}
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const LS_KEY = "gc_client_config_v1";
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const POSTS_KEY = "gc_posts_index_v1";
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const cfg = loadConfig(); applyConfig(); checkHealth(); syncIndex(); sse();
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els.saveConn.onclick = async () => {
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const c = { url: norm(els.shardUrl.value), bearer: els.bearer.value.trim(), passphrase: els.passphrase.value };
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saveConfig(c); await checkHealth(); await syncIndex(); sse(true);
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};
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els.publish.onclick = publish;
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els.discordStart.onclick = discordStart;
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function loadConfig(){ try { return JSON.parse(localStorage.getItem(LS_KEY)) ?? {}; } catch { return {}; } }
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function saveConfig(c){ localStorage.setItem(LS_KEY, JSON.stringify(c)); Object.assign(cfg, c); }
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function getPosts(){ try { return JSON.parse(localStorage.getItem(POSTS_KEY)) ?? []; } catch { return []; } }
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function setPosts(v){ localStorage.setItem(POSTS_KEY, JSON.stringify(v)); renderPosts(); }
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function norm(u){ return (u||"").replace(/\/+$/,""); }
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function applyConfig() {
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// If no URL saved yet, detect a sensible default and persist it
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if (!cfg.url) {
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const detected = defaultApiBase(); // uses ?api=…, <meta gc-api-base>, or port heuristic
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cfg.url = detected;
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try { localStorage.setItem(LS_KEY, JSON.stringify(cfg)); } catch {}
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}
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els.shardUrl.value = cfg.url;
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els.bearer.value = cfg.bearer ?? "";
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els.passphrase.value = cfg.passphrase ?? "";
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}
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async function checkHealth() {
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if (!cfg.url) return; els.health.textContent = "Checking…";
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try { const r = await fetch(cfg.url + "/healthz"); els.health.textContent = r.ok ? "Connected ✔" : `Error: ${r.status}`; }
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catch { els.health.textContent = "Not reachable"; }
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}
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async function publish() {
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if (!cfg.url) return msg("Set shard URL first.", true);
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const title = els.title.value.trim(); const body = els.body.value; const vis = els.visibility.value;
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try {
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let blob, enc=false;
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if (vis === "private") {
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if (!cfg.passphrase) return msg("Set a passphrase for private posts.", true);
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const payload = await encryptString(JSON.stringify({ title, body }), cfg.passphrase);
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blob = toBlob(payload); enc=true;
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} else { blob = toBlob(JSON.stringify({ title, body })); }
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const headers = { "Content-Type":"application/octet-stream" };
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if (cfg.bearer) headers["Authorization"] = "Bearer " + cfg.bearer;
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if (enc) headers["X-GC-Private"] = "1";
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const r = await fetch(cfg.url + "/v1/object", { method:"PUT", headers, body: blob });
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if (!r.ok) throw new Error(await r.text());
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const j = await r.json();
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const posts = getPosts();
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posts.unshift({ hash:j.hash, title: title || "(untitled)", bytes:j.bytes, ts:j.stored_at, enc });
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setPosts(posts);
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els.body.value = ""; msg(`Published ${enc?"private":"public"} post. Hash: ${j.hash}`);
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} catch(e){ msg("Publish failed: " + (e?.message||e), true); }
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}
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function msg(t, err=false){ els.publishStatus.textContent=t; els.publishStatus.style.color = err ? "#ff6b6b" : "#8b949e"; }
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async function syncIndex() {
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if (!cfg.url) return;
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try {
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const headers = {}; if (cfg.bearer) headers["Authorization"] = "Bearer " + cfg.bearer;
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const r = await fetch(cfg.url + "/v1/index", { headers });
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if (!r.ok) throw new Error("index fetch failed");
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const entries = await r.json();
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setPosts(entries.map(e => ({ hash:e.hash, title:"(title unknown — fetch)", bytes:e.bytes, ts:e.stored_at, enc:e.private })));
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} catch(e){ console.warn("index sync failed", e); }
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}
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let sseCtrl;
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function sse(){
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if (!cfg.url) return;
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if (sseCtrl) { sseCtrl.abort(); sseCtrl = undefined; }
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sseCtrl = new AbortController();
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const url = cfg.url + "/v1/index/stream";
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const headers = {}; if (cfg.bearer) headers["Authorization"] = "Bearer " + cfg.bearer;
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fetch(url, { headers, signal: sseCtrl.signal }).then(async resp => {
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if (!resp.ok) return;
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const reader = resp.body.getReader(); const decoder = new TextDecoder();
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let buf = "";
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while (true) {
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const { value, done } = await reader.read(); if (done) break;
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buf += decoder.decode(value, { stream:true });
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let idx;
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while ((idx = buf.indexOf("\n\n")) >= 0) {
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const chunk = buf.slice(0, idx); buf = buf.slice(idx+2);
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if (chunk.startsWith("data: ")) {
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try {
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const ev = JSON.parse(chunk.slice(6));
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if (ev.event === "put") {
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const e = ev.data;
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const posts = getPosts();
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if (!posts.find(p => p.hash === e.hash)) {
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posts.unshift({ hash:e.hash, title:"(title unknown — fetch)", bytes:e.bytes, ts:e.stored_at, enc:e.private });
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setPosts(posts);
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}
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} else if (ev.event === "delete") {
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const h = ev.data.hash; setPosts(getPosts().filter(p => p.hash !== h));
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}
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} catch {}
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}
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}
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}
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}).catch(()=>{});
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}
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async function viewPost(p, pre) {
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pre.textContent = "Loading…";
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try {
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const headers = {}; if (cfg.bearer) headers["Authorization"] = "Bearer " + cfg.bearer;
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const r = await fetch(cfg.url + "/v1/object/" + p.hash, { headers });
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if (!r.ok) throw new Error("fetch failed " + r.status);
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const buf = new Uint8Array(await r.arrayBuffer());
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let text;
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if (p.enc) {
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if (!cfg.passphrase) throw new Error("passphrase required");
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text = await decryptToString(buf, cfg.passphrase);
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} else { text = new TextDecoder().decode(buf); }
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try {
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const j = JSON.parse(text);
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pre.textContent = (j.title ? `# ${j.title}\n\n` : "") + (j.body ?? text);
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} catch { pre.textContent = text; }
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} catch (e) { pre.textContent = "Error: " + (e?.message || e); }
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}
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async function saveBlob(p) {
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const headers = {}; if (cfg.bearer) headers["Authorization"] = "Bearer " + cfg.bearer;
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const r = await fetch(cfg.url + "/v1/object/" + p.hash, { headers });
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if (!r.ok) return alert("download failed " + r.status);
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const b = await r.blob();
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const a = document.createElement("a"); a.href = URL.createObjectURL(b);
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a.download = p.hash + (p.enc ? ".gcenc" : ".json"); a.click(); URL.revokeObjectURL(a.href);
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}
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async function delServer(p) {
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const headers = {}; if (cfg.bearer) headers["Authorization"] = "Bearer " + cfg.bearer;
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if (!confirm("Delete blob from server by hash?")) return;
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const r = await fetch(cfg.url + "/v1/object/" + p.hash, { method:"DELETE", headers });
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if (!r.ok) return alert("delete failed " + r.status);
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setPosts(getPosts().filter(x=>x.hash!==p.hash));
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}
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async function discordStart() {
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// Last-resort auto-fill if user didn’t hit Save
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if (!cfg.url) {
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const derived = defaultApiBase();
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if (derived) {
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cfg.url = derived;
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try { localStorage.setItem(LS_KEY, JSON.stringify(cfg)); } catch {}
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els.shardUrl.value = derived;
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}
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}
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if (!cfg.url) { alert("Set shard URL first."); return; }
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const r = await fetch(cfg.url + "/v1/auth/discord/start", { headers: { "X-GC-3P-Assent": "1" }});
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if (!r.ok) { alert("Discord SSO not available"); return; }
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const j = await r.json();
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location.href = j.url;
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}
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function renderPosts() {
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const posts = getPosts(); els.posts.innerHTML = "";
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for (const p of posts) {
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const div = document.createElement("div"); div.className = "post";
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const badge = p.enc ? `<span class="badge">private</span>` : `<span class="badge">public</span>`;
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div.innerHTML = `
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<div class="meta"><code>${p.hash.slice(0,10)}…</code> · ${p.bytes} bytes · ${p.ts} ${badge}</div>
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<div class="actions">
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<button data-act="view">View</button>
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<button data-act="save">Save blob</button>
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<button data-act="delete">Delete (server)</button>
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<button data-act="remove">Remove (local)</button>
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</div>
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<pre class="content" style="white-space:pre-wrap;margin-top:.5rem;"></pre>`;
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const pre = div.querySelector(".content");
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div.querySelector('[data-act="view"]').onclick = () => viewPost(p, pre);
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div.querySelector('[data-act="save"]').onclick = () => saveBlob(p);
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div.querySelector('[data-act="delete"]').onclick = () => delServer(p);
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div.querySelector('[data-act="remove"]').onclick = () => { setPosts(getPosts().filter(x=>x.hash!==p.hash)); };
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els.posts.appendChild(div);
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}
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}
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