Extract execute and push to androidUtil

Summary: This commit doesn't change anything, just moves the android command running stuff into its own utility.

Reviewed By: passy

Differential Revision: D15393476

fbshipit-source-id: de93bbd88fa62bddff8d9ea56cfbc33bfd854d53

src/utils/CertificateProvider.js

@@ -19,7 +19,7 @@ const tmpDir = promisify(tmp.dir);
 import iosUtil from '../fb-stubs/iOSContainerUtility';
 import {reportPlatformFailures} from './metrics';
 import {getAdbClient} from './adbClient';
-const adb = require('adbkit-fb');
+import * as androidUtil from './androidContainerUtility';
 
 // Desktop file paths
 const os = require('os');
@@ -38,9 +38,7 @@ const deviceClientCertFile = 'device.crt';
 const caSubject = '/C=US/ST=CA/L=Menlo Park/O=Sonar/CN=SonarCA';
 const serverSubject = '/C=US/ST=CA/L=Menlo Park/O=Sonar/CN=localhost';
 const minCertExpiryWindowSeconds = 24 * 60 * 60;
-const appNotDebuggableRegex = /debuggable/;
 const allowedAppNameRegex = /^[a-zA-Z0-9._\-]+$/;
-const operationNotPermittedRegex = /not permitted/;
 const logTag = 'CertificateProvider';
 /*
  * RFC2253 specifies the unamiguous x509 subject format.
@@ -197,12 +195,7 @@ export default class CertificateProvider {
       );
       return Promise.all([deviceIdPromise, appNamePromise]).then(
         ([deviceId, appName]) =>
-          this.pushFileToAndroidDevice(
-            deviceId,
-            appName,
-            destination + filename,
-            contents,
-          ),
+          androidUtil.push(deviceId, appName, destination + filename, contents),
       );
     }
     if (os === 'iOS' || os === 'windows') {
@@ -337,11 +330,13 @@ export default class CertificateProvider {
     processName: string,
     csr: string,
   ): Promise<boolean> {
-    return this.executeCommandOnAndroid(
+    return androidUtil
+      .executeCommandAsApp(
         deviceId,
         processName,
         `cat ${directory + csrFileName}`,
-    ).then(deviceCsr => {
+      )
+      .then(deviceCsr => {
         return this.santitizeString(deviceCsr.toString()) === csr;
       });
   }
@@ -383,54 +378,6 @@ export default class CertificateProvider {
     return csrString.replace(/\r/g, '').trim();
   }
 
-  pushFileToAndroidDevice(
-    deviceId: string,
-    app: string,
-    filename: string,
-    contents: string,
-  ): Promise<void> {
-    console.debug(`Deploying ${filename} to ${deviceId}:${app}`, logTag);
-    return this.executeCommandOnAndroid(
-      deviceId,
-      app,
-      `echo "${contents}" > ${filename} && chmod 600 ${filename}`,
-    ).then(output => undefined);
-  }
-
-  executeCommandOnAndroid(
-    deviceId: string,
-    user: string,
-    command: string,
-  ): Promise<string> {
-    if (!user.match(allowedAppNameRegex)) {
-      return Promise.reject(new Error(`Disallowed run-as user: ${user}`));
-    }
-    if (command.match(/[']/)) {
-      return Promise.reject(
-        new Error(`Disallowed escaping command: ${command}`),
-      );
-    }
-    return this.adb
-      .then(client =>
-        client.shell(deviceId, `echo '${command}' | run-as '${user}'`),
-      )
-      .then(adb.util.readAll)
-      .then(buffer => buffer.toString())
-      .then(output => {
-        if (output.match(appNotDebuggableRegex)) {
-          throw new Error(
-            `Android app ${user} is not debuggable. To use it with Flipper, add android:debuggable="true" to the application section of AndroidManifest.xml`,
-          );
-        }
-        if (output.toLowerCase().match(operationNotPermittedRegex)) {
-          throw new Error(
-            `Your android device (${deviceId}) does not support the adb shell run-as command. We're tracking this at https://github.com/facebook/flipper/issues/92`,
-          );
-        }
-        return output;
-      });
-  }
-
   extractAppNameFromCSR(csr: string): Promise<string> {
     return this.writeToTempFile(csr)
       .then(path =>

src/utils/androidContainerUtility.js

@@ -0,0 +1,61 @@
+/**
+ * Copyright 2018-present Facebook.
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ * @format
+ */
+import {getAdbClient} from './adbClient';
+const adbkit = require('adbkit-fb');
+
+const logTag = 'androidContainerUtility';
+const appNotDebuggableRegex = /debuggable/;
+const allowedAppNameRegex = /^[a-zA-Z0-9._\-]+$/;
+const operationNotPermittedRegex = /not permitted/;
+
+const adb = getAdbClient();
+
+export function executeCommandAsApp(
+  deviceId: string,
+  app: string,
+  command: string,
+): Promise<string> {
+  if (!app.match(allowedAppNameRegex)) {
+    return Promise.reject(new Error(`Disallowed run-as user: ${app}`));
+  }
+  if (command.match(/[']/)) {
+    return Promise.reject(new Error(`Disallowed escaping command: ${command}`));
+  }
+  return adb
+    .then(client =>
+      client.shell(deviceId, `echo '${command}' | run-as '${app}'`),
+    )
+    .then(adbkit.util.readAll)
+    .then(buffer => buffer.toString())
+    .then(output => {
+      if (output.match(appNotDebuggableRegex)) {
+        throw new Error(
+          `Android app ${app} is not debuggable. To use it with Flipper, add android:debuggable="true" to the application section of AndroidManifest.xml`,
+        );
+      }
+      if (output.toLowerCase().match(operationNotPermittedRegex)) {
+        throw new Error(
+          `Your android device (${deviceId}) does not support the adb shell run-as command. We're tracking this at https://github.com/facebook/flipper/issues/92`,
+        );
+      }
+      return output;
+    });
+}
+
+export function push(
+  deviceId: string,
+  app: string,
+  filename: string,
+  contents: string,
+): Promise<void> {
+  console.debug(`Deploying ${filename} to ${deviceId}:${app}`, logTag);
+  return executeCommandAsApp(
+    deviceId,
+    app,
+    `echo "${contents}" > ${filename} && chmod 600 ${filename}`,
+  ).then(output => undefined);
+}