From 7c4ec2f23ad2d00ac17ba573c3a09696bd0496dc Mon Sep 17 00:00:00 2001
From: Martin McKeaveney <martin@shogunsystems.co.uk>
Date: Thu, 27 May 2021 11:11:44 +0100
Subject: [PATCH] execute bash commands in automations

---
 packages/server/src/automations/actions.js    |  3 +
 packages/server/src/automations/steps/bash.js | 56 +++++++++++++++++++
 .../src/automations/steps/executeScript.js    |  2 +-
 3 files changed, 60 insertions(+), 1 deletion(-)
 create mode 100644 packages/server/src/automations/steps/bash.js

diff --git a/packages/server/src/automations/actions.js b/packages/server/src/automations/actions.js
index ad102e7b67..762ce677a7 100644
--- a/packages/server/src/automations/actions.js
+++ b/packages/server/src/automations/actions.js
@@ -4,6 +4,7 @@ const createRow = require("./steps/createRow")
 const updateRow = require("./steps/updateRow")
 const deleteRow = require("./steps/deleteRow")
 const executeScript = require("./steps/executeScript")
+const bash = require("./steps/bash")
 const executeQuery = require("./steps/executeQuery")
 const outgoingWebhook = require("./steps/outgoingWebhook")
 const env = require("../environment")
@@ -21,6 +22,7 @@ const BUILTIN_ACTIONS = {
   DELETE_ROW: deleteRow.run,
   OUTGOING_WEBHOOK: outgoingWebhook.run,
   EXECUTE_SCRIPT: executeScript.run,
+  EXECUTE_BASH: bash.run,
   EXECUTE_QUERY: executeQuery.run,
 }
 const BUILTIN_DEFINITIONS = {
@@ -32,6 +34,7 @@ const BUILTIN_DEFINITIONS = {
   OUTGOING_WEBHOOK: outgoingWebhook.definition,
   EXECUTE_SCRIPT: executeScript.definition,
   EXECUTE_QUERY: executeQuery.definition,
+  EXECUTE_BASH: bash.definition,
 }
 
 let MANIFEST = null
diff --git a/packages/server/src/automations/steps/bash.js b/packages/server/src/automations/steps/bash.js
new file mode 100644
index 0000000000..e71c70368b
--- /dev/null
+++ b/packages/server/src/automations/steps/bash.js
@@ -0,0 +1,56 @@
+const scriptController = require("../../api/controllers/script")
+const { execSync } = require("child_process")
+const { processStringSync } = require("@budibase/string-templates")
+
+module.exports.definition = {
+  name: "Bash Scripting",
+  tagline: "Execute a bash command",
+  icon: "ri-terminal-box-line",
+  description: "Run a bash script",
+  type: "ACTION",
+  stepId: "EXECUTE_BASH",
+  inputs: {},
+  schema: {
+    inputs: {
+      properties: {
+        code: {
+          type: "string",
+          customType: "code",
+          title: "Code",
+        },
+      },
+      required: ["code"],
+    },
+    outputs: {
+      properties: {
+        stdout: {
+          type: "string",
+          description: "Standard output of your bash command or script.",
+        },
+      },
+    },
+    required: ["stdout"],
+  },
+}
+
+module.exports.run = async function ({ inputs, context }) {
+  if (inputs.code == null) {
+    return {
+      stdout: "Budibase bash automation failed: Invalid inputs",
+    }
+  }
+
+  try {
+    const command = processStringSync(inputs.code, context)
+    const stdout = execSync(command, { timeout: 1000 })
+    return {
+      stdout,
+    }
+  } catch (err) {
+    console.error(err)
+    return {
+      success: false,
+      response: err,
+    }
+  }
+}
diff --git a/packages/server/src/automations/steps/executeScript.js b/packages/server/src/automations/steps/executeScript.js
index 5bea1ab151..33ffd3ee8e 100644
--- a/packages/server/src/automations/steps/executeScript.js
+++ b/packages/server/src/automations/steps/executeScript.js
@@ -1,7 +1,7 @@
 const scriptController = require("../../api/controllers/script")
 
 module.exports.definition = {
-  name: "Scripting",
+  name: "JS Scripting",
   tagline: "Execute JavaScript Code",
   icon: "ri-terminal-box-line",
   description: "Run a piece of JavaScript code in your automation",