Ship Theseus 0.3.13 7d88e4c4 (Ariadne toggle + 'p' record + Screenshot addon)
Setup 7d88e4c46b02448e40d6075d10f2c6688c6d60c5a9ec41b9cbcb7684f131d6e1 Portable 5a4bcc6abb21c23729d79dd600142df4f171cc3d6bf71716dae1c802ac10e48f Bundled since 0.3.12: 1514793 - Settings > Registries gets an on/off toggle for Ariadne's Thread (system-wide BCDN resolver for non-Theseus browsers). Query is silent Get-ScheduledTask; toggle spawns elevated PowerShell (UAC once per action). Three states: running / stopped / not-installed. b16f0a1 - New BCDN 'p' record type in Argus record-picker + Theseus serving. Reverse-proxies an upstream URL under a BCDN name, keeping the BCDN name in the address bar; uses upstream's own DNS + public CA + Host header (unlike 'ip' which pins IP + on-chain TLS fingerprint). Placed after 'ip' in the apex chain, suppressed under subdomain inheritance so a 'p' name doesn't silently proxy every subdomain. cfec253 - Argus registrar gains buildTldRegistrationTx + TLD_BEACON + normalizeTld exports for minting per-TLD certificates per the TLD- registry design. bbfc05c - Bundled Screenshot add-on: capture-tab capability + sidebar launcher for visible / full page / region modes; saves to Downloads. Follow-up task_b9608dc6 will rework this into a full-tab editor. Deployed. Verified LIVE 0.3.13.
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Local Dev
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57d71a0996
3 changed files with 160 additions and 3 deletions
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@ -31,7 +31,13 @@ const KNOWN_CAPABILITIES = new Set([
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// URL matches one of the origin patterns.
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// approval-modal: api.approvalModal({...}) — user-facing consent dialog over
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// the active tab, resolved by main.
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"vault-derive", "page-inject", "approval-modal",
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// capture-tab: api.captureTab({mode, ...}) + api.saveCapture({dataUrl, filename})
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// — snapshot the active tab (visible viewport / full page /
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// user-drawn rectangle) and save the result through the app's
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// downloads pipeline. The add-on sees pixels of whatever the
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// current tab is showing, so this is the same trust bar as a
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// page-inject add-on that matches "*://*/*".
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"vault-derive", "page-inject", "approval-modal", "capture-tab",
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]);
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// Chrome-style match pattern → predicate. "<scheme>://<host>/<path>" where
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@ -99,7 +105,7 @@ function validateManifest(raw, folderName) {
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// Loader singleton. `discoverAndActivate(opts)` returns a snapshot the rest
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// of the app queries via `getActive()` / `getInstalled()`.
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class AddonHost {
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constructor({ addonsDir, dataDir, isDisabled, logger, setSessionProxy, vaultDerive, approvalModal, emitToPanel, hostRequire, hostImport, openTab }) {
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constructor({ addonsDir, dataDir, isDisabled, logger, setSessionProxy, vaultDerive, approvalModal, emitToPanel, hostRequire, hostImport, openTab, captureTab, saveCapture }) {
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this.addonsDir = addonsDir;
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this.dataDir = dataDir;
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this.isDisabled = isDisabled || (() => false);
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@ -125,6 +131,10 @@ class AddonHost {
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// A `null` rule clears the proxy. Kept as a callback rather than requiring
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// the loader itself import electron.
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this._setSessionProxy = typeof setSessionProxy === "function" ? setSessionProxy : null;
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// capture-tab hooks — main captures/saves; the loader only enforces the
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// manifest gate.
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this._captureTab = typeof captureTab === "function" ? captureTab : null;
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this._saveCapture = typeof saveCapture === "function" ? saveCapture : null;
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}
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ensureDirs() {
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@ -330,6 +340,35 @@ class AddonHost {
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if (!this._approvalModal) throw new Error(`approvalModal unavailable (host not wired)`);
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return this._approvalModal(opts || {}, manifest.id);
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},
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// capture-tab: snapshot the currently-active tab.
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// opts.mode "visible" | "full" | "region" (required)
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// opts.format "png" | "jpeg" (default "png")
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// opts.quality 1-100 (jpeg only, default 90)
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// opts.overlaySource string (region only — DOM
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// code the add-on wants injected while the user
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// drags a selection. Must resolve to `{x,y,w,h}`
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// in CSS pixels; return null/undefined to cancel.)
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// Resolves to `{ dataUrl, width, height, host, format }`.
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captureTab: async (opts) => {
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if (!manifest.capabilities.includes("capture-tab")) {
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throw new Error(`add-on "${manifest.id}" must declare the "capture-tab" capability in addon.json`);
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}
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if (!this._captureTab) throw new Error(`captureTab unavailable (host not wired)`);
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return this._captureTab(opts || {}, manifest.id);
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},
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// capture-tab: route an in-memory image into the app's downloads pipeline
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// so it lands in the user's Downloads folder AND shows up in the
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// download-chip list the same way any HTTP download would.
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// opts.dataUrl "data:image/png;base64,…" (required)
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// opts.filename filename shown in the chip (required)
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// Resolves to `{ savePath }`.
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saveCapture: async (opts) => {
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if (!manifest.capabilities.includes("capture-tab")) {
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throw new Error(`add-on "${manifest.id}" must declare the "capture-tab" capability in addon.json`);
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}
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if (!this._saveCapture) throw new Error(`saveCapture unavailable (host not wired)`);
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return this._saveCapture(opts || {}, manifest.id);
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},
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};
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}
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118
main.js
118
main.js
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@ -1384,6 +1384,124 @@ function initAddons() {
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hostRequire: (name) => require(name),
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hostImport: (name) => import(require("node:url").pathToFileURL(require.resolve(name)).href),
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openTab: (url) => { if (win) createTab(url); },
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// capture-tab: three modes.
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// visible — one WebContents.capturePage() of the current viewport.
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// full — temporarily grow the tab's WebContentsView to the page's
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// scrollHeight, capture, restore. Cheap and works for most
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// pages; fixed-position headers/footers will repeat because
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// they anchor to the viewport, which is a known trade-off
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// (documented in the panel). Alternative would be a scroll-
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// and-stitch pass; kept for a later revision.
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// region — run the caller-supplied overlay source in the tab, wait
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// for a rect (or null = cancel), then capturePage(rect).
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captureTab: async (opts, addonId) => {
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const t = activeTab();
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if (!t) throw new Error("no active tab");
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const wc = t.view.webContents;
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const host = t?.prov?.host || (() => { try { return new URL(wc.getURL()).host; } catch { return ""; } })();
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const mode = String(opts?.mode || "visible");
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const format = opts?.format === "jpeg" ? "jpeg" : "png";
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const quality = Math.max(1, Math.min(100, Number(opts?.quality) || 90));
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const encode = (img) => format === "jpeg"
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? `data:image/jpeg;base64,${img.toJPEG(quality).toString("base64")}`
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: img.toDataURL();
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if (mode === "visible") {
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const img = await wc.capturePage();
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const s = img.getSize();
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console.log(`[addons] [${addonId}] captureTab visible ${s.width}x${s.height}`);
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return { dataUrl: encode(img), width: s.width, height: s.height, host, format };
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}
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if (mode === "full") {
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const dims = await wc.executeJavaScript(
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`({w: Math.max(document.documentElement.scrollWidth, document.body ? document.body.scrollWidth : 0),`
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+ ` h: Math.max(document.documentElement.scrollHeight, document.body ? document.body.scrollHeight : 0),`
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+ ` dpr: window.devicePixelRatio || 1})`, true);
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const fullW = Math.max(1, Math.min(16384, Math.floor(dims.w)));
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const fullH = Math.max(1, Math.min(32768, Math.floor(dims.h)));
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const prevBounds = t.view.getBounds();
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try {
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t.view.setBounds({ x: prevBounds.x, y: prevBounds.y, width: fullW, height: fullH });
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// Let layout+paint catch up before capture. One requestAnimationFrame
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// isn't enough for lazy-loaded content; a short delay gets most pages.
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await new Promise((r) => setTimeout(r, 300));
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const img = await wc.capturePage();
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const s = img.getSize();
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console.log(`[addons] [${addonId}] captureTab full ${s.width}x${s.height} (page ${fullW}x${fullH})`);
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return { dataUrl: encode(img), width: s.width, height: s.height, host, format };
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} finally {
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try { layout(); } catch {}
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}
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}
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if (mode === "region") {
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const src = String(opts?.overlaySource || "");
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if (!src) throw new Error("region capture needs opts.overlaySource");
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// Overlay script runs in the target tab's world. It's expected to
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// resolve (as the executeJavaScript result) with {x,y,w,h} in CSS
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// pixels, or null when the user hits Escape / right-clicks.
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const rect = await wc.executeJavaScript(src, true);
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if (!rect || typeof rect !== "object") {
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console.log(`[addons] [${addonId}] captureTab region cancelled`);
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return { dataUrl: "", width: 0, height: 0, host, format, cancelled: true };
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}
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const r = {
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x: Math.max(0, Math.floor(rect.x)),
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y: Math.max(0, Math.floor(rect.y)),
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width: Math.max(1, Math.floor(rect.w)),
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height: Math.max(1, Math.floor(rect.h)),
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};
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const img = await wc.capturePage(r);
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const s = img.getSize();
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console.log(`[addons] [${addonId}] captureTab region ${s.width}x${s.height} @ ${r.x},${r.y}`);
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return { dataUrl: encode(img), width: s.width, height: s.height, host, format };
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}
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throw new Error(`unknown capture mode: ${mode}`);
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},
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// saveCapture writes the bytes to Downloads and synthesizes a completed
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// download record so the chip shows the file with a Show-in-folder link,
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// just like an HTTP save. session.downloadURL(dataUrl) would go through
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// will-download, but data URLs come across with a synthetic filename that
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// Electron won't let us override in-flight without gymnastics — writing
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// directly is deterministic and produces the same user-facing artifact.
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saveCapture: async (opts, addonId) => {
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const dataUrl = String(opts?.dataUrl || "");
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const m = /^data:([^;,]+);base64,(.+)$/.exec(dataUrl);
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if (!m) throw new Error("saveCapture: dataUrl must be base64-encoded");
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const mime = m[1];
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const bytes = Buffer.from(m[2], "base64");
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const raw = String(opts?.filename || "screenshot.png");
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// Strip path separators — add-on-provided filename must not escape the
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// downloads folder.
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const safe = raw.replace(/[\\/:*?"<>|]+/g, "_").slice(0, 200) || "screenshot.png";
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const dlDir = app.getPath("downloads");
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let target = path.join(dlDir, safe);
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// Uniquify: append " (n)" before the extension if the name is taken.
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if (fs.existsSync(target)) {
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const ext = path.extname(safe);
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const stem = safe.slice(0, safe.length - ext.length);
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for (let i = 2; i < 10000; i++) {
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const cand = path.join(dlDir, `${stem} (${i})${ext}`);
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if (!fs.existsSync(cand)) { target = cand; break; }
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}
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}
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try { fs.writeFileSync(target, bytes); }
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catch (e) { throw new Error(`saveCapture: write failed: ${e?.message || e}`); }
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const id = nextDlId++;
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const rec = {
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id,
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filename: path.basename(target),
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url: `internal://addons/${addonId}/${path.basename(target)}`,
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mime,
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total: bytes.length,
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received: bytes.length,
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state: "completed",
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savePath: target,
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startedAt: Date.now(),
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};
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downloads.unshift(rec);
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emitDownloads();
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console.log(`[addons] [${addonId}] saveCapture wrote ${bytes.length} bytes → ${target}`);
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return { savePath: target };
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},
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});
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addonHost.discoverAndActivate();
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const snap = addonHost.snapshot();
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@ -1,6 +1,6 @@
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{
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"name": "theseus-navigator",
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"version": "0.3.12",
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"version": "0.3.13",
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"description": "Theseus Navigator — a browser that follows the thread. By Silent Mode, a Deviant project.",
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"author": "Silent Mode",
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"main": "main.js",
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