Mirror malware list in e2e tests to mock malware in a harmless way

test/e2e/DockerTestContainer.js

@@ -58,12 +58,21 @@ export class DockerTestContainer {
         `docker run -d --name ${this.containerName} ${imageName} sleep infinity`,
         { stdio: "ignore" }
       );
+      
+      await this.startMalwareMirror();
+
       this.isRunning = true;
     } catch (error) {
       throw new Error(`Failed to start container: ${error.message}`);
     }
   }
 
+  async startMalwareMirror() {
+    const shell = await this.openShell("zsh");
+    await shell.runCommand("node /utils/malwarelistmirror.mjs &");
+    await shell.runCommand("until curl -sf http://127.0.0.1:5555/ready; do sleep 0.2; done");
+  }
+
   dockerExec(command, daemon = false) {
     if (!this.isRunning) {
       throw new Error("Container is not running");
@@ -125,7 +134,7 @@ export class DockerTestContainer {
         const timeout = setTimeout(() => {
           // Fallback in case the command doesn't finish in a reasonable time
           // oxlint-disable-next-line no-console - having this log in CI helps diagnose issues
-          console.log("Command timeout reached");
+          console.log(`Command timeout reached for "${command}"`);
           resolve({ allData, output: parseShellOutput(allData), command });
           ptyProcess.removeListener("data", handleInput);
         }, 15000);

test/e2e/Dockerfile

@@ -84,3 +84,5 @@ RUN npm install -g /pkgs/*.tgz
 WORKDIR /testapp
 RUN npm init -y
 
+COPY test/e2e/utils/malwarelistmirror.mjs /utils/malwarelistmirror.mjs
+ENV SAFE_CHAIN_MALWARE_LIST_BASE_URL=http://127.0.0.1:5555

test/e2e/pip.e2e.spec.js

@@ -128,7 +128,7 @@ describe("E2E: pip coverage", () => {
   it(`safe-chain blocks installation of malicious Python packages`, async () => {
     const shell = await container.openShell("zsh");
     const result = await shell.runCommand(
-      "pip3 install --break-system-packages safe-chain-pi-test"
+      "pip3 install --break-system-packages numpy==2.4.4 --safe-chain-logging=verbose"
     );
 
     assert.ok(
@@ -136,7 +136,7 @@ describe("E2E: pip coverage", () => {
       `Output did not include expected text. Output was:\n${result.output}`
     );
     assert.ok(
-      result.output.includes("safe_chain_pi_test@0.0.1"),
+      result.output.includes("numpy@2.4.4"),
       `Output did not include expected text. Output was:\n${result.output}`
     );
     assert.ok(
@@ -146,7 +146,7 @@ describe("E2E: pip coverage", () => {
 
     const listResult = await shell.runCommand("pip3 list");
     assert.ok(
-      !listResult.output.includes("safe-chain-pi-test"),
+      !listResult.output.includes("numpy"),
       `Malicious package was installed despite safe-chain protection. Output of 'pip3 list' was:\n${listResult.output}`
     );
   });

test/e2e/pipx.e2e.spec.js

@@ -41,7 +41,7 @@ describe("E2E: pipx coverage", () => {
     const shell = await container.openShell("zsh");
 
     const result = await shell.runCommand(
-      "pipx install safe-chain-pi-test"
+      "pipx install numpy==2.4.4"
     );
 
     assert.ok(
@@ -86,7 +86,7 @@ describe("E2E: pipx coverage", () => {
     const shell = await container.openShell("zsh");
 
     const result = await shell.runCommand(
-      "pipx run safe-chain-pi-test --version"
+      "pipx run numpy==2.4.4 --version"
     );
 
     assert.ok(
@@ -122,7 +122,7 @@ describe("E2E: pipx coverage", () => {
     await shell.runCommand("pipx install ruff");
 
     const result = await shell.runCommand(
-      "pipx runpip ruff install safe-chain-pi-test"
+      "pipx runpip ruff install numpy==2.4.4"
     );
 
     assert.ok(
@@ -185,7 +185,7 @@ describe("E2E: pipx coverage", () => {
 
     await shell.runCommand("pipx install ruff --safe-chain-logging=verbose");
     const result = await shell.runCommand(
-      "pipx inject ruff safe-chain-pi-test --safe-chain-logging=verbose"
+      "pipx inject ruff numpy==2.4.4 --safe-chain-logging=verbose"
     );
 
     assert.ok(

test/e2e/poetry.e2e.spec.js

@@ -70,7 +70,7 @@ describe("E2E: poetry coverage", () => {
     await shell.runCommand("cd /tmp/test-poetry-malware && poetry init --no-interaction");
     
     const result = await shell.runCommand(
-      "cd /tmp/test-poetry-malware && poetry add safe-chain-pi-test"
+      "cd /tmp/test-poetry-malware && poetry add numpy==2.4.4"
     );
 
     assert.ok(
@@ -300,7 +300,7 @@ describe("E2E: poetry coverage", () => {
     
     // Add malware package - this will create lock file and attempt download
     const result = await shell.runCommand(
-      "cd /tmp/test-poetry-install-malware && poetry add safe-chain-pi-test 2>&1"
+      "cd /tmp/test-poetry-install-malware && poetry add numpy==2.4.4 2>&1"
     );
 
     assert.ok(
@@ -324,7 +324,7 @@ describe("E2E: poetry coverage", () => {
     
     // Now try to add malware via add command
     const result = await shell.runCommand(
-      "cd /tmp/test-poetry-update-add && poetry add safe-chain-pi-test 2>&1"
+      "cd /tmp/test-poetry-update-add && poetry add numpy==2.4.4 2>&1"
     );
 
     assert.ok(
@@ -345,7 +345,7 @@ describe("E2E: poetry coverage", () => {
     
     // Try to add malware directly - this is the primary vector
     const result = await shell.runCommand(
-      "cd /tmp/test-poetry-req-malware && poetry add safe-chain-pi-test requests 2>&1"
+      "cd /tmp/test-poetry-req-malware && poetry add numpy==2.4.4 requests 2>&1"
     );
 
     assert.ok(

test/e2e/safe-chain-cli-python.e2e.spec.js

@@ -97,7 +97,7 @@ describe("E2E: safe-chain CLI python/pip support", () => {
     await shell.runCommand("pip3 cache purge");
 
     const result = await shell.runCommand(
-      "safe-chain pip3 install --break-system-packages safe-chain-pi-test"
+      "safe-chain pip3 install --break-system-packages numpy==2.4.4"
     );
 
     assert.ok(

test/e2e/utils/malwarelistmirror.mjs

@@ -0,0 +1,79 @@
+// Test-only mirror of the malware list. Injects known-safe packages as malicious
+// to simulate blocking behavior in e2e tests without affecting real data.
+
+import * as http from "node:http";
+
+const lists = await downloadLists();
+const server = http.createServer(handleRequest);
+server.listen(5555, "127.0.0.1");
+console.log("listening on http://127.0.0.1:5555");
+
+function handleRequest(req, res) {
+    if (req.method !== "GET" || !req.url) {
+        res.writeHead(404);
+        res.end();
+        return;
+    }
+
+    if (req.url.startsWith("/ready")) {
+        res.writeHead(200);
+        res.end();
+        return;
+    }
+
+    for (const list of lists) {
+        if (req.url.startsWith(list.path)) {
+            res.writeHead(200, { "Content-Type": "application/json" });
+            res.end(JSON.stringify(list.data));
+            return;
+        }
+    }
+
+    res.writeHead(404);
+    res.end();
+}
+
+async function downloadLists() {
+    const lists = [
+        {
+            "path": "/malware_predictions.json",
+            "patchFunc": (data) => data,
+        },
+        {
+            "path": "/malware_pypi.json",
+            "patchFunc": patchPypi,
+        },
+        {
+            "path": "/releases/npm.json",
+            "patchFunc": (data) => data,
+        },
+        {
+            "path": "/releases/pypi.json",
+            "patchFunc": (data) => data,
+        },
+    ]
+
+    for (const list of lists) {
+        list.data = list.patchFunc(await downloadList(list.path));
+    }
+
+    return lists;
+}
+
+async function downloadList(path) {
+    const baseUrl = "https://malware-list.aikido.dev";
+    const url = `${baseUrl}${path}`;
+    const response = await fetch(url);
+    return await response.json();
+}
+
+function patchPypi(data) {
+
+    data.push({
+        "package_name": "numpy",
+        "version": "2.4.4",
+        "reason": "MALWARE"
+    });
+
+    return data;
+}

test/e2e/uv.e2e.spec.js

@@ -126,7 +126,7 @@ describe("E2E: uv coverage", () => {
     const shell = await container.openShell("zsh");
 
     const result = await shell.runCommand(
-      "uv pip install --system --break-system-packages safe-chain-pi-test"
+      "uv pip install --system --break-system-packages numpy==2.4.4"
     );
 
     assert.ok(
@@ -134,7 +134,7 @@ describe("E2E: uv coverage", () => {
       `Output did not include expected text. Output was:\n${result.output}`
     );
     assert.ok(
-      result.output.includes("safe_chain_pi_test@0.0.1"),
+      result.output.includes("numpy@2.4.4"),
       `Output did not include expected text. Output was:\n${result.output}`
     );
     assert.ok(
@@ -144,7 +144,7 @@ describe("E2E: uv coverage", () => {
 
     const listResult = await shell.runCommand("uv pip list --system");
     assert.ok(
-      !listResult.output.includes("safe-chain-pi-test"),
+      !listResult.output.includes("numpy"),
       `Malicious package was installed despite safe-chain protection. Output of 'uv pip list' was:\n${listResult.output}`
     );
   });
@@ -413,7 +413,7 @@ describe("E2E: uv coverage", () => {
     await shell.runCommand("uv init test-project-malware");
 
     const result = await shell.runCommand(
-      "cd test-project-malware && uv add safe-chain-pi-test"
+      "cd test-project-malware && uv add numpy==2.4.4"
     );
 
     assert.ok(
@@ -421,7 +421,7 @@ describe("E2E: uv coverage", () => {
       `Output did not include expected text. Output was:\n${result.output}`
     );
     assert.ok(
-      result.output.includes("safe_chain_pi_test@0.0.1"),
+      result.output.includes("numpy@2.4.4"),
       `Output did not include expected text. Output was:\n${result.output}`
     );
     assert.ok(
@@ -445,14 +445,14 @@ describe("E2E: uv coverage", () => {
 
   it(`safe-chain blocks malicious packages via uv tool install`, async () => {
     const shell = await container.openShell("zsh");
-    const result = await shell.runCommand("uv tool install safe-chain-pi-test");
+    const result = await shell.runCommand("uv tool install numpy==2.4.4");
 
     assert.ok(
       result.output.includes("blocked 1 malicious package downloads:"),
       `Output did not include expected text. Output was:\n${result.output}`
     );
     assert.ok(
-      result.output.includes("safe_chain_pi_test@0.0.1"),
+      result.output.includes("numpy@2.4.4"),
       `Output did not include expected text. Output was:\n${result.output}`
     );
   });
@@ -482,7 +482,7 @@ describe("E2E: uv coverage", () => {
     await shell.runCommand("echo 'print(\"test\")' > test_script2.py");
 
     const result = await shell.runCommand(
-      "uv run --with safe-chain-pi-test test_script2.py"
+      "uv run --with numpy==2.4.4 test_script2.py"
     );
 
     assert.ok(

test/e2e/uvx.e2e.spec.js

@@ -44,7 +44,7 @@ describe("E2E: uvx coverage", () => {
     const shell = await container.openShell("zsh");
 
     const result = await shell.runCommand(
-      "uvx safe-chain-pi-test"
+      "uvx numpy==2.4.4"
     );
 
     assert.ok(
@@ -74,7 +74,7 @@ describe("E2E: uvx coverage", () => {
     const shell = await container.openShell("zsh");
 
     const result = await shell.runCommand(
-      "uvx --from safe-chain-pi-test some-command"
+      "uvx --from numpy==2.4.4 some-command"
     );
 
     assert.ok(
@@ -117,7 +117,7 @@ describe("E2E: uvx coverage", () => {
     const shell = await container.openShell("zsh");
 
     const result = await shell.runCommand(
-      "uvx --with safe-chain-pi-test ruff --version"
+      "uvx --with numpy==2.4.4 ruff --version"
     );
 
     assert.ok(