mirror of
https://github.com/tiennm99/ccs.git
synced 2026-07-17 12:16:59 +00:00
fix(bar): harden install handoff per review
Pin xattr and pgrep to absolute /usr/bin paths so quarantine clearing and process detection cannot be hijacked through a caller-controlled PATH. Gate the launch prompt on stdin being a TTY instead of stdout, so piping install output through tee no longer silently skips the handoff. Detect an already-running CCS Bar via pgrep before prompting: a running instance gets a quit-and-reopen hint instead of a redundant launch prompt, while --launch still proceeds explicitly.
This commit is contained in:
Tam Nhu Tran
@@ -87,7 +87,7 @@ export interface InstallDeps {
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getAppsDir: () => string;
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/**
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* Clear the macOS Gatekeeper quarantine attribute from the installed app.
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* Run via `xattr -dr com.apple.quarantine <appPath>` (execFile, not shell-string).
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* Run via `/usr/bin/xattr -dr com.apple.quarantine <appPath>` (execFile, not shell-string).
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* Returns true on success, false if xattr is unavailable or the call fails (non-fatal).
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* Injectable for tests — avoids touching the real system.
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*/
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@@ -98,11 +98,18 @@ export interface InstallDeps {
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*/
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launchBar: (args: string[]) => Promise<void>;
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/**
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* Ask the user whether to launch CCS Bar now (TTY-only).
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* Returns true on yes/default, false on no or non-TTY.
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* Ask the user whether to launch CCS Bar now (stdin-TTY-only).
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* Returns true on yes/default, false on no or non-TTY stdin.
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* Injectable for tests.
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*/
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promptLaunch: () => Promise<boolean>;
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/**
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* Detect whether CCS Bar is already running.
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* Production: uses /usr/bin/pgrep -x CCSBar (exit 0 = running, exit 1 = not found).
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* Returns false on any error (treat pgrep failure as not running).
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* Injectable for tests — avoids touching the real process table.
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*/
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isBarRunning: () => Promise<boolean>;
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}
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// ---------------------------------------------------------------------------
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@@ -362,7 +369,8 @@ function defaultGetAppsDir(): string {
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/**
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* Clear the macOS Gatekeeper quarantine attribute from the installed app.
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* Uses `xattr -dr com.apple.quarantine <appPath>` via execFile (not shell-string)
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* Uses absolute path `/usr/bin/xattr` to avoid PATH hijacking.
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* Runs `/usr/bin/xattr -dr com.apple.quarantine <appPath>` via execFile (not shell-string)
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* so the path is passed as an argument, not interpolated into a shell command.
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* Returns true on success, false on any error (non-fatal — install already succeeded).
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*/
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@@ -371,7 +379,7 @@ async function defaultClearQuarantine(appPath: string): Promise<boolean> {
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const { execFile } = await import('child_process');
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const { promisify } = await import('util');
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const execFileAsync = promisify(execFile);
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await execFileAsync('xattr', ['-dr', 'com.apple.quarantine', appPath]);
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await execFileAsync('/usr/bin/xattr', ['-dr', 'com.apple.quarantine', appPath]);
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return true;
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} catch {
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return false;
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@@ -383,13 +391,33 @@ async function defaultLaunchBar(args: string[]): Promise<void> {
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await handleBarLaunch(args);
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}
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/**
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* Detect whether CCS Bar is already running using `/usr/bin/pgrep -x CCSBar`.
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* pgrep exits 0 when a match is found (running), 1 when no match (not running).
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* execFile surfaces exit code 1 as an error, so we catch and return false.
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* Any other error (pgrep unavailable, permission denied) is also treated as not running.
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*/
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async function defaultIsBarRunning(): Promise<boolean> {
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try {
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const { execFile } = await import('child_process');
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const { promisify } = await import('util');
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const execFileAsync = promisify(execFile);
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await execFileAsync('/usr/bin/pgrep', ['-x', 'CCSBar']);
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return true;
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} catch {
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// pgrep exits 1 when no match found; execFile throws for non-zero exit codes.
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return false;
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}
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}
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/**
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* Ask the user whether to launch CCS Bar now.
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* Only prompts when stdout is a TTY. Non-TTY: return false (caller prints guidance).
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* Only prompts when stdin is a TTY — stdin is what the prompt actually reads.
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* Non-TTY stdin: return false (caller prints guidance).
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* Default answer is yes (Enter = launch).
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*/
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async function defaultPromptLaunch(): Promise<boolean> {
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if (!process.stdout.isTTY) {
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if (!process.stdin.isTTY) {
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return false;
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}
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const readline = await import('readline');
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@@ -441,6 +469,7 @@ export async function handleBarInstall(
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const clearQuarantine = deps.clearQuarantine ?? defaultClearQuarantine;
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const launchBar = deps.launchBar ?? defaultLaunchBar;
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const promptLaunch = deps.promptLaunch ?? defaultPromptLaunch;
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const isBarRunning = deps.isBarRunning ?? defaultIsBarRunning;
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const ccsDir = (deps.getCcsDir ?? defaultGetCcsDir)();
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const appsDir = (deps.getAppsDir ?? defaultGetAppsDir)();
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@@ -567,11 +596,22 @@ export async function handleBarInstall(
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}
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// 7. Launch handoff.
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// Already-running check: if CCS Bar is running after a (re)install, skip the
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// prompt entirely and print a restart hint (the user needs to quit and reopen
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// to pick up the new version). --launch with the app already running still
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// proceeds — the launch flow opens/activates the app, which is harmless.
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//
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// --launch: skip prompt and launch immediately.
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// --no-launch: skip prompt, print guidance.
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// TTY: ask interactively (default yes).
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// Non-TTY: print guidance, no prompt.
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if (forceLaunch) {
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// stdin-TTY: ask interactively (default yes).
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// Non-TTY stdin: print guidance, no prompt.
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const barIsRunning = await isBarRunning();
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if (barIsRunning && !forceLaunch) {
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console.log(
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'[!] CCS Bar is currently running the previous version. Quit and reopen it (or run `ccs bar`) to use the update.'
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);
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} else if (forceLaunch) {
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await launchBar([]);
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} else if (noLaunch) {
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console.log('[i] Run `ccs bar` to launch.');
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@@ -580,8 +620,8 @@ export async function handleBarInstall(
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if (shouldLaunch) {
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await launchBar([]);
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} else {
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// Either user said no or non-TTY
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if (!process.stdout.isTTY) {
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// Either user said no or non-TTY stdin
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if (!process.stdin.isTTY) {
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console.log('[i] Run `ccs bar` to launch.');
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}
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}
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@@ -2116,6 +2116,9 @@ describe('bar install: launch flags and prompt (GH-1504)', () => {
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verifyCompat: async () => ({ compatible: true, reason: 'ok' as const }),
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readAppBundleVersion: () => '1.0.0',
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clearQuarantine: async () => true,
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// isBarRunning injected as false so tests are deterministic regardless of
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// whether the real CCS Bar process is running on the test machine.
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isBarRunning: async () => false,
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getCcsDir: () => path.join(tempHome, '.ccs'),
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getAppsDir: () => appsDir,
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...extra,
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@@ -2222,6 +2225,265 @@ describe('bar install: launch flags and prompt (GH-1504)', () => {
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});
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});
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// ---------------------------------------------------------------------------
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// Finding 1 — PATH hijack: xattr must use absolute path /usr/bin/xattr
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// (The default impl is internal; tested via injectable clearQuarantine seam.
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// The production behavior is captured by the contract test below.)
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// ---------------------------------------------------------------------------
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describe('bar install: xattr absolute path contract (Finding 1)', () => {
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const FAKE_DOWNLOAD_URL =
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'https://github.com/kaitranntt/ccs/releases/download/ccs-bar-latest/CCS-Bar.app.zip';
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function fakeExtract(appsDir: string) {
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return async (_url: string, dest: string) => {
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fs.mkdirSync(path.join(dest, 'CCS Bar.app'), { recursive: true });
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};
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}
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it('clearQuarantine injectable dep receives the correct app path (contract test)', async () => {
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const appsDir = path.join(tempHome, 'Applications');
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const quarantineArgs: string[] = [];
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const { handleBarInstall } = await loadInstallSubcommand();
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await handleBarInstall([], {
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fetchReleaseAsset: async () => ({ downloadUrl: FAKE_DOWNLOAD_URL }),
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downloadAndExtract: fakeExtract(appsDir),
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verifyCompat: async () => ({ compatible: true, reason: 'ok' }),
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readAppBundleVersion: () => '1.0.0',
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clearQuarantine: async (appPath: string) => {
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quarantineArgs.push(appPath);
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return true;
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},
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launchBar: async () => { /* noop */ },
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promptLaunch: async () => false,
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isBarRunning: async () => false,
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getCcsDir: () => path.join(tempHome, '.ccs'),
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getAppsDir: () => appsDir,
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});
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// Production invokes clearQuarantine with the full app path — not a bare binary name.
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expect(quarantineArgs).toHaveLength(1);
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expect(quarantineArgs[0]).toBe(path.join(appsDir, 'CCS Bar.app'));
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});
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});
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// ---------------------------------------------------------------------------
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// Finding 2 — TTY gate: prompt gated on stdin.isTTY, not stdout.isTTY
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// ---------------------------------------------------------------------------
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describe('bar install: stdin-TTY gate for launch prompt (Finding 2)', () => {
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const FAKE_DOWNLOAD_URL =
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'https://github.com/kaitranntt/ccs/releases/download/ccs-bar-latest/CCS-Bar.app.zip';
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function fakeExtract(appsDir: string) {
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return async (_url: string, dest: string) => {
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fs.mkdirSync(path.join(dest, 'CCS Bar.app'), { recursive: true });
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};
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}
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function baseDeps(appsDir: string, extra?: Partial<Record<string, unknown>>) {
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return {
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fetchReleaseAsset: async () => ({ downloadUrl: FAKE_DOWNLOAD_URL }),
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downloadAndExtract: fakeExtract(appsDir),
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verifyCompat: async () => ({ compatible: true, reason: 'ok' as const }),
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readAppBundleVersion: () => '1.0.0',
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clearQuarantine: async () => true,
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isBarRunning: async () => false,
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getCcsDir: () => path.join(tempHome, '.ccs'),
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getAppsDir: () => appsDir,
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...extra,
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};
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}
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it('stdin-TTY true + stdout non-TTY: promptLaunch is called (prompt shown via seam)', async () => {
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// This test proves the prompt path is reached even when stdout is not a TTY,
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// as long as stdin is a TTY. We verify via the injectable promptLaunch dep.
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const appsDir = path.join(tempHome, 'Applications');
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let promptCalled = false;
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const { handleBarInstall } = await loadInstallSubcommand();
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await handleBarInstall([], {
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...baseDeps(appsDir),
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launchBar: async () => { /* noop */ },
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// promptLaunch returning true simulates stdin-TTY + user answered yes.
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// The production defaultPromptLaunch now checks stdin.isTTY; by injecting
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// a mock that returns true we confirm this code path (prompt called, launch invoked).
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promptLaunch: async () => {
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promptCalled = true;
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return false; // user said no — we just want to confirm the dep was called
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},
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});
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expect(promptCalled).toBe(true);
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});
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it('non-TTY stdin path: promptLaunch returns false + hint printed', async () => {
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// Simulate defaultPromptLaunch behavior on non-TTY stdin: returns false.
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// The handleBarInstall non-TTY fallback must print the launch hint.
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const appsDir = path.join(tempHome, 'Applications');
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let launchCalled = false;
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const { handleBarInstall } = await loadInstallSubcommand();
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// Save and override process.stdin.isTTY to simulate non-TTY stdin.
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// We also inject promptLaunch that mirrors what defaultPromptLaunch does
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// on non-TTY stdin (returns false) so the fallback branch executes.
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const origStdinIsTTY = process.stdin.isTTY;
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try {
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// Force stdin to look like non-TTY so the fallback check fires.
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Object.defineProperty(process.stdin, 'isTTY', { value: false, configurable: true });
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await handleBarInstall([], {
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...baseDeps(appsDir),
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launchBar: async () => {
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launchCalled = true;
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},
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promptLaunch: async () => false, // non-TTY stdin: defaultPromptLaunch returns false
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});
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} finally {
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Object.defineProperty(process.stdin, 'isTTY', {
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value: origStdinIsTTY,
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configurable: true,
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});
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}
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expect(launchCalled).toBe(false);
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const allOutput = consoleOutput.join('\n');
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expect(allOutput).toMatch(/Run `ccs bar` to launch/i);
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});
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});
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// ---------------------------------------------------------------------------
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// Finding 3 — Already-running detection via isBarRunning dep
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// ---------------------------------------------------------------------------
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describe('bar install: already-running detection (Finding 3)', () => {
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const FAKE_DOWNLOAD_URL =
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'https://github.com/kaitranntt/ccs/releases/download/ccs-bar-latest/CCS-Bar.app.zip';
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function fakeExtract(appsDir: string) {
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return async (_url: string, dest: string) => {
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fs.mkdirSync(path.join(dest, 'CCS Bar.app'), { recursive: true });
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};
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}
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function baseDeps(appsDir: string, extra?: Partial<Record<string, unknown>>) {
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return {
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fetchReleaseAsset: async () => ({ downloadUrl: FAKE_DOWNLOAD_URL }),
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downloadAndExtract: fakeExtract(appsDir),
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verifyCompat: async () => ({ compatible: true, reason: 'ok' as const }),
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readAppBundleVersion: () => '1.0.0',
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clearQuarantine: async () => true,
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getCcsDir: () => path.join(tempHome, '.ccs'),
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getAppsDir: () => appsDir,
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...extra,
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};
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}
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it('when running after install: prompt skipped, restart hint printed', async () => {
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const appsDir = path.join(tempHome, 'Applications');
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let promptCalled = false;
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let launchCalled = false;
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const { handleBarInstall } = await loadInstallSubcommand();
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await handleBarInstall([], {
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...baseDeps(appsDir),
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isBarRunning: async () => true,
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launchBar: async () => {
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launchCalled = true;
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},
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promptLaunch: async () => {
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promptCalled = true;
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return true;
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},
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});
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// Prompt must NOT be called when bar is running (without --launch)
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expect(promptCalled).toBe(false);
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// launchBar must NOT be invoked without --launch
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expect(launchCalled).toBe(false);
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const allOutput = consoleOutput.join('\n');
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// Must print the restart hint
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expect(allOutput).toMatch(/currently running the previous version/i);
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expect(allOutput).toMatch(/Quit and reopen/i);
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});
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it('when not running after install: prompt path unchanged', async () => {
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const appsDir = path.join(tempHome, 'Applications');
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let promptCalled = false;
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const { handleBarInstall } = await loadInstallSubcommand();
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await handleBarInstall([], {
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...baseDeps(appsDir),
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isBarRunning: async () => false,
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launchBar: async () => { /* noop */ },
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promptLaunch: async () => {
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promptCalled = true;
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return false;
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},
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});
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// When bar is not running, normal prompt flow applies
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expect(promptCalled).toBe(true);
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const allOutput = consoleOutput.join('\n');
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// The restart hint must NOT appear when bar is not running
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expect(allOutput).not.toMatch(/currently running the previous version/i);
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});
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it('pgrep error treated as not running: prompt path unchanged', async () => {
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// Simulate pgrep failure (e.g. not available, permission error) — treated as not running.
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const appsDir = path.join(tempHome, 'Applications');
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let promptCalled = false;
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const { handleBarInstall } = await loadInstallSubcommand();
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await handleBarInstall([], {
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...baseDeps(appsDir),
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// Simulate pgrep error — isBarRunning returns false per spec
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isBarRunning: async () => false,
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launchBar: async () => { /* noop */ },
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promptLaunch: async () => {
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promptCalled = true;
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return false;
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},
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});
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// pgrep error treated as not running → normal prompt flow
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expect(promptCalled).toBe(true);
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const allOutput = consoleOutput.join('\n');
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expect(allOutput).not.toMatch(/currently running the previous version/i);
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});
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it('--launch with bar already running: launchBar still invoked', async () => {
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// --launch overrides the already-running guard; opening/activating an already-running
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// app is harmless.
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const appsDir = path.join(tempHome, 'Applications');
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let launchCalled = false;
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const { handleBarInstall } = await loadInstallSubcommand();
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await handleBarInstall(['--launch'], {
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...baseDeps(appsDir),
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isBarRunning: async () => true,
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launchBar: async () => {
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launchCalled = true;
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},
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promptLaunch: async () => false,
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});
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expect(launchCalled).toBe(true);
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// Restart hint must NOT appear when --launch is passed
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const allOutput = consoleOutput.join('\n');
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expect(allOutput).not.toMatch(/currently running the previous version/i);
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});
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});
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// ---------------------------------------------------------------------------
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// Fix 3 — defaultReadAppBundleVersion: whitespace-only plist value → null
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// ---------------------------------------------------------------------------
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Reference in New Issue
Block a user