Merge pull request #47 from gen0cide/dbv1

add 3 file functions and testing new build_cli scripts for generating vm functions

FUNCTIONS.md

@@ -133,6 +133,22 @@ Retrieves a packed asset from the VM embedded file store.
 
 
 
+## `CreateDir(path)`
+
+Creates a directory at a given path or return an error
+
+### Argument List
+
+ * **path** *string*
+
+### Returned Object Fields
+
+ * **fileError** *error*
+
+---
+
+
+
 ## `DelRegKey(registryString, path)`
 
 Delete a registry key
@@ -216,6 +232,23 @@ Executes system commands.
 
 
 
+## `FileExists(path)`
+
+Checks if a file exists and returns a bool
+
+### Argument List
+
+ * **path** *string*
+
+### Returned Object Fields
+
+ * **fileExists** *bool*
+ * **fileError** *error*
+
+---
+
+
+
 ## `FindProcByName(procName)`
 
 Returns the Pid of a given proccess, if the proccess can not be found, an error is returned
@@ -417,6 +450,23 @@ Generates a random alpha numeric string of a specified length.
 
 
 
+## `ReadFile(path)`
+
+Reads a file path and returns a byte array
+
+### Argument List
+
+ * **path** *string*
+
+### Returned Object Fields
+
+ * **fileBytes** *[]byte*
+ * **fileError** *error*
+
+---
+
+
+
 ## `RemoveServiceByName(name)`
 
 Uninstalls a system service
@@ -476,7 +526,7 @@ Starts a system service
 
 ### Returned Object Fields
 
- * **installError** *error*
+ * **runtimeError** *error*
 
 ---
 

engine/lib_file.go

@@ -41,10 +41,141 @@ import (
 //  // obj.fileError
 //
 func (e *Engine) WriteFile(path string, fileData []byte, perms int64) (int, error) {
+	if _, err := os.Stat(path); os.IsNotExist(err) {
+		e.Logger.WithField("trace", "true").Errorf("File error: %s", err.Error())
+		return 0, err
+	}
 	err := ioutil.WriteFile(path, fileData, os.FileMode(uint32(perms)))
 	if err != nil {
 		e.Logger.WithField("trace", "true").Errorf("Error writing the file: %s", err.Error())
 		return 0, err
 	}
 	return len(fileData), nil
 }
+
+// ReadFile - Reads a file path and returns a byte array
+//
+// Package
+//
+// file
+//
+// Author
+//
+// - ahhh (https://github.com/ahhh)
+//
+// Javascript
+//
+// Here is the Javascript method signature:
+//  ReadFile(path)
+//
+// Arguments
+//
+// Here is a list of the arguments for the Javascript function:
+//  * path (string)
+//
+// Returns
+//
+// Here is a list of fields in the return object:
+//  * obj.fileBytes ([]byte)
+//  * obj.fileError (error)
+//
+// Example
+//
+// Here is an example of how to use this function in gscript:
+//  var obj = ReadFile(path);
+//  // obj.fileBytes
+//  // obj.fileError
+//
+func (e *Engine) ReadFile(path string) ([]byte, error) {
+	if _, err := os.Stat(path); os.IsNotExist(err) {
+		e.Logger.WithField("trace", "true").Errorf("File error: %s", err.Error())
+		return []byte{}, err
+	}
+	dat, err := ioutil.ReadFile(path)
+	if err != nil {
+		e.Logger.WithField("trace", "true").Errorf("Error writing the file: %s", err.Error())
+		return nil, err
+	}
+	return dat, nil
+}
+
+// FileExists - Checks if a file exists and returns a bool
+//
+// Package
+//
+// file
+//
+// Author
+//
+// - ahhh (https://github.com/ahhh)
+//
+// Javascript
+//
+// Here is the Javascript method signature:
+//  FileExists(path)
+//
+// Arguments
+//
+// Here is a list of the arguments for the Javascript function:
+//  * path (string)
+//
+// Returns
+//
+// Here is a list of fields in the return object:
+//  * obj.fileExists (bool)
+//  * obj.fileError (error)
+//
+// Example
+//
+// Here is an example of how to use this function in gscript:
+//  var obj = FileExists(path);
+//  // obj.fileExists
+//  // obj.fileError
+//
+func (e *Engine) FileExists(path string) (bool, error) {
+	if _, err := os.Stat(path); os.IsNotExist(err) {
+		e.Logger.WithField("trace", "true").Errorf("File error: %s", err.Error())
+		return false, err
+	}
+	return true, nil
+}
+
+// CreateDir - Creates a directory at a given path or return an error
+//
+// Package
+//
+// file
+//
+// Author
+//
+// - ahhh (https://github.com/ahhh)
+//
+// Javascript
+//
+// Here is the Javascript method signature:
+//  CreateDir(path)
+//
+// Arguments
+//
+// Here is a list of the arguments for the Javascript function:
+//  * path (string)
+//
+// Returns
+//
+// Here is a list of fields in the return object:
+//  * obj.fileError (error)
+//
+// Example
+//
+// Here is an example of how to use this function in gscript:
+//  var obj = CreateDir(path);
+//  // obj.fileError
+//
+func (e *Engine) CreateDir(path string) error {
+	err := os.MkdirAll(path, 0700)
+	if err != nil {
+		e.Logger.WithField("trace", "true").Errorf("Error writing the file: %s", err.Error())
+		return err
+	}
+	return nil
+}

engine/lib_os.go

@@ -145,13 +145,13 @@ func (e *Engine) InstallSystemService(path, name, displayName, description strin
 // Returns
 //
 // Here is a list of fields in the return object:
-//  * obj.installError (error)
+//  * obj.runtimeError (error)
 //
 // Example
 //
 // Here is an example of how to use this function in gscript:
 //  var obj = StartServiceByName(name);
-//  // obj.installError
+//  // obj.runtimeError
 //
 func (e *Engine) StartServiceByName(name string) error {
 	c := &services.Config{