fix(security): use providers for messaging credential injection

bin/lib/onboard.js

@@ -477,6 +477,11 @@ function upsertProvider(name, type, credentialEnv, baseUrl, env = {}) {
   }
 }
 
+function verifyProviderExists(name) {
+  const result = runOpenshell(["provider", "get", name], { ignoreError: true });
+  return result.status === 0;
+}
+
 function verifyInferenceRoute(_provider, _model) {
   const output = runCaptureOpenshell(["inference", "get"], { ignoreError: true });
   if (!output || /Gateway inference:\s*[\r\n]+\s*Not configured/i.test(output)) {
@@ -1778,27 +1783,56 @@ async function createSandbox(gpu, model, provider, preferredInferenceApi = null,
   ];
   // --gpu is intentionally omitted. See comment in startGateway().
 
-  console.log(`  Creating sandbox '${sandboxName}' (this takes a few minutes on first run)...`);
-  const chatUiUrl = process.env.CHAT_UI_URL || "http://127.0.0.1:18789";
-  patchStagedDockerfile(stagedDockerfile, model, chatUiUrl, String(Date.now()), provider, preferredInferenceApi);
-  // Only pass non-sensitive env vars to the sandbox. NVIDIA_API_KEY is NOT
-  // needed inside the sandbox — inference is proxied through the OpenShell
-  // gateway which injects the stored credential server-side. The gateway
-  // also strips any Authorization headers sent by the sandbox client.
-  // See: crates/openshell-sandbox/src/proxy.rs (header stripping),
-  //      crates/openshell-router/src/backend.rs (server-side auth injection).
-  const envArgs = [formatEnvAssignment("CHAT_UI_URL", chatUiUrl)];
-  const sandboxEnv = { ...process.env };
-  delete sandboxEnv.NVIDIA_API_KEY;
+  // Create OpenShell providers for messaging credentials so they flow through
+  // the provider/placeholder system instead of raw env vars. The L7 proxy
+  // rewrites Authorization headers (Bearer/Bot) with real secrets at egress.
+  // Telegram provider is created for credential storage but the host-side bridge
+  // still reads from host env — Telegram uses URL-path auth (/bot{TOKEN}/) which
+  // the proxy can't rewrite yet.
+  const messagingProviders = [];
   const discordToken = getCredential("DISCORD_BOT_TOKEN") || process.env.DISCORD_BOT_TOKEN;
   if (discordToken) {
-    sandboxEnv.DISCORD_BOT_TOKEN = discordToken;
+    upsertProvider("discord-bridge", "generic", "DISCORD_BOT_TOKEN", null, { DISCORD_BOT_TOKEN: discordToken });
+    messagingProviders.push("discord-bridge");
   }
   const slackToken = getCredential("SLACK_BOT_TOKEN") || process.env.SLACK_BOT_TOKEN;
   if (slackToken) {
-    sandboxEnv.SLACK_BOT_TOKEN = slackToken;
+    upsertProvider("slack-bridge", "generic", "SLACK_BOT_TOKEN", null, { SLACK_BOT_TOKEN: slackToken });
+    messagingProviders.push("slack-bridge");
+  }
+  const telegramToken = hydrateCredentialEnv("TELEGRAM_BOT_TOKEN") || process.env.TELEGRAM_BOT_TOKEN;
+  if (telegramToken) {
+    upsertProvider("telegram-bridge", "generic", "TELEGRAM_BOT_TOKEN", null, { TELEGRAM_BOT_TOKEN: telegramToken });
+    messagingProviders.push("telegram-bridge");
+  }
+  for (const p of messagingProviders) {
+    createArgs.push("--provider", p);
   }
 
+  console.log(`  Creating sandbox '${sandboxName}' (this takes a few minutes on first run)...`);
+  const chatUiUrl = process.env.CHAT_UI_URL || "http://127.0.0.1:18789";
+  patchStagedDockerfile(stagedDockerfile, model, chatUiUrl, String(Date.now()), provider, preferredInferenceApi);
+  // Only pass non-sensitive env vars to the sandbox. Credentials flow through
+  // OpenShell providers — the gateway injects them as placeholders and the L7
+  // proxy rewrites Authorization headers with real secrets at egress.
+  // See: crates/openshell-sandbox/src/secrets.rs (placeholder rewriting),
+  //      crates/openshell-router/src/backend.rs (inference auth injection).
+  const envArgs = [formatEnvAssignment("CHAT_UI_URL", chatUiUrl)];
+  const blockedSandboxEnvNames = new Set([
+    "NVIDIA_API_KEY",
+    "OPENAI_API_KEY",
+    "ANTHROPIC_API_KEY",
+    "GEMINI_API_KEY",
+    "COMPATIBLE_API_KEY",
+    "COMPATIBLE_ANTHROPIC_API_KEY",
+    "DISCORD_BOT_TOKEN",
+    "SLACK_BOT_TOKEN",
+    "TELEGRAM_BOT_TOKEN",
+  ]);
+  const sandboxEnv = Object.fromEntries(
+    Object.entries(process.env).filter(([name]) => !blockedSandboxEnvNames.has(name))
+  );
+
   // Run without piping through awk — the pipe masked non-zero exit codes
   // from openshell because bash returns the status of the last pipeline
   // command (awk, always 0) unless pipefail is set. Removing the pipe
@@ -1883,6 +1917,15 @@ async function createSandbox(gpu, model, provider, preferredInferenceApi = null,
   console.log("  Setting up sandbox DNS proxy...");
   run(`bash "${path.join(SCRIPTS, "setup-dns-proxy.sh")}" ${GATEWAY_NAME} "${sandboxName}" 2>&1 || true`, { ignoreError: true });
 
+  // Verify messaging providers are attached to the sandbox
+  for (const p of messagingProviders) {
+    if (!verifyProviderExists(p)) {
+      console.error(`  ⚠ Messaging provider '${p}' was not found in the gateway.`);
+      console.error(`    The credential may not be available inside the sandbox.`);
+      console.error(`    To fix: openshell provider create --name ${p} --type generic --credential <KEY>`);
+    }
+  }
+
   console.log(`  ✓ Sandbox '${sandboxName}' created`);
   return sandboxName;
 }

test/onboard.test.js

@@ -1029,6 +1029,120 @@ const { createSandbox } = require(${onboardPath});
     assert.doesNotMatch(createCommand.command, /SLACK_BOT_TOKEN=/);
   });
 
+  it("creates providers for messaging tokens and attaches them to the sandbox", async () => {
+    const repoRoot = path.join(import.meta.dirname, "..");
+    const tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), "nemoclaw-onboard-messaging-providers-"));
+    const fakeBin = path.join(tmpDir, "bin");
+    const scriptPath = path.join(tmpDir, "messaging-provider-check.js");
+    const onboardPath = JSON.stringify(path.join(repoRoot, "bin", "lib", "onboard.js"));
+    const runnerPath = JSON.stringify(path.join(repoRoot, "bin", "lib", "runner.js"));
+    const registryPath = JSON.stringify(path.join(repoRoot, "bin", "lib", "registry.js"));
+    const preflightPath = JSON.stringify(path.join(repoRoot, "bin", "lib", "preflight.js"));
+    const credentialsPath = JSON.stringify(path.join(repoRoot, "bin", "lib", "credentials.js"));
+
+    fs.mkdirSync(fakeBin, { recursive: true });
+    fs.writeFileSync(path.join(fakeBin, "openshell"), "#!/usr/bin/env bash\nexit 0\n", { mode: 0o755 });
+
+    const script = String.raw`
+const runner = require(${runnerPath});
+const registry = require(${registryPath});
+const preflight = require(${preflightPath});
+const credentials = require(${credentialsPath});
+const childProcess = require("node:child_process");
+const { EventEmitter } = require("node:events");
+
+const commands = [];
+runner.run = (command, opts = {}) => {
+  commands.push({ command, env: opts.env || null });
+  return { status: 0 };
+};
+runner.runCapture = (command) => {
+  if (command.includes("'sandbox' 'get' 'my-assistant'")) return "";
+  if (command.includes("'sandbox' 'list'")) return "my-assistant Ready";
+  if (command.includes("'provider' 'get'")) return "Provider: discord-bridge";
+  return "";
+};
+registry.registerSandbox = () => true;
+registry.removeSandbox = () => true;
+preflight.checkPortAvailable = async () => ({ ok: true });
+credentials.prompt = async () => "";
+
+childProcess.spawn = (...args) => {
+  const child = new EventEmitter();
+  child.stdout = new EventEmitter();
+  child.stderr = new EventEmitter();
+  commands.push({ command: args[1][1], env: args[2]?.env || null });
+  process.nextTick(() => {
+    child.stdout.emit("data", Buffer.from("Created sandbox: my-assistant\n"));
+    child.emit("close", 0);
+  });
+  return child;
+};
+
+const { createSandbox } = require(${onboardPath});
+
+(async () => {
+  process.env.OPENSHELL_GATEWAY = "nemoclaw";
+  process.env.DISCORD_BOT_TOKEN = "test-discord-token-value";
+  process.env.SLACK_BOT_TOKEN = "xoxb-test-slack-token-value";
+  process.env.TELEGRAM_BOT_TOKEN = "123456:ABC-test-telegram-token";
+  const sandboxName = await createSandbox(null, "gpt-5.4");
+  console.log(JSON.stringify({ sandboxName, commands }));
+})().catch((error) => {
+  console.error(error);
+  process.exit(1);
+});
+`;
+    fs.writeFileSync(scriptPath, script);
+
+    const result = spawnSync(process.execPath, [scriptPath], {
+      cwd: repoRoot,
+      encoding: "utf-8",
+      env: {
+        ...process.env,
+        HOME: tmpDir,
+        PATH: `${fakeBin}:${process.env.PATH || ""}`,
+        NEMOCLAW_NON_INTERACTIVE: "1",
+      },
+    });
+
+    assert.equal(result.status, 0, result.stderr);
+    const payloadLine = result.stdout
+      .trim()
+      .split("\n")
+      .slice()
+      .reverse()
+      .find((line) => line.startsWith("{") && line.endsWith("}"));
+    assert.ok(payloadLine, `expected JSON payload in stdout:\n${result.stdout}`);
+    const payload = JSON.parse(payloadLine);
+
+    // Verify providers were created with the right credential keys
+    const providerCommands = payload.commands.filter((e) => e.command.includes("'provider' 'create'"));
+    const discordProvider = providerCommands.find((e) => e.command.includes("discord-bridge"));
+    assert.ok(discordProvider, "expected discord-bridge provider create command");
+    assert.match(discordProvider.command, /'--credential' 'DISCORD_BOT_TOKEN'/);
+
+    const slackProvider = providerCommands.find((e) => e.command.includes("slack-bridge"));
+    assert.ok(slackProvider, "expected slack-bridge provider create command");
+    assert.match(slackProvider.command, /'--credential' 'SLACK_BOT_TOKEN'/);
+
+    const telegramProvider = providerCommands.find((e) => e.command.includes("telegram-bridge"));
+    assert.ok(telegramProvider, "expected telegram-bridge provider create command");
+    assert.match(telegramProvider.command, /'--credential' 'TELEGRAM_BOT_TOKEN'/);
+
+    // Verify sandbox create includes --provider flags for all three
+    const createCommand = payload.commands.find((e) => e.command.includes("'sandbox' 'create'"));
+    assert.ok(createCommand, "expected sandbox create command");
+    assert.match(createCommand.command, /'--provider' 'discord-bridge'/);
+    assert.match(createCommand.command, /'--provider' 'slack-bridge'/);
+    assert.match(createCommand.command, /'--provider' 'telegram-bridge'/);
+
+    // Verify real token values are NOT in the sandbox create command or env
+    assert.doesNotMatch(createCommand.command, /test-discord-token-value/);
+    assert.doesNotMatch(createCommand.command, /xoxb-test-slack-token-value/);
+    assert.doesNotMatch(createCommand.command, /123456:ABC-test-telegram-token/);
+  });
+
   it("continues once the sandbox is Ready even if the create stream never closes", async () => {
     const repoRoot = path.join(import.meta.dirname, "..");
     const tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), "nemoclaw-onboard-create-ready-"));