Added OpenSSL capability, updated readme.md and removed only dependency

Added OpenSSL mask hash methods.
Updated README.md reflecting additional mask hash methods.
Removed dependency on 'md5-file' plugin.

Author: midnight-coding

CHANGELOG.md

@@ -0,0 +1,36 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+## [1.1.0] - 2019-03-16
+
+### Added
+- Added OpenSSL mask hash methods.
+
+### Changed
+- Updated README.md reflecting additional mask hash methods.
+
+### Security
+- Removed dependency on 'md5-file' plugin.
+
+## [1.0.2] - 2019-03-15
+
+### Added
+- Added ability to replace asset name in template(s) even when asset name is out of sync.
+
+## [1.0.1] - 2019-03-14
+
+### Fixed
+- Incorrect counter reference in loop.
+
+### Changed
+- Updated README.md reflecting correct usage.
+
+## [1.0.0] - 2019-03-13
+
+### Added
+- Initial commit.

README.md

@@ -6,7 +6,9 @@ Then look no further...!
 
 This grunt plugin inserts a **cache avoiding** string into your asset filename, then looks for and updates any reference to it within your template file(s).
 
-Find this npm plugin at  [https://www.npmjs.com/package/grunt-cache-killer](https://www.npmjs.com/package/grunt-cache-killer).
+Find this plugin at:
+  - [https://www.npmjs.com/package/grunt-cache-killer](https://www.npmjs.com/package/grunt-cache-killer).
+  - [https://github.com/midnight-coding/grunt-cache-killer](https://github.com/midnight-coding/grunt-cache-killer).
 
 ## Getting Started
 
@@ -57,7 +59,16 @@ grunt.initConfig({
   - If a **cacherKiller** mask function is used, then the string generated from that internal function is inserted. CacheKiller's mask functions include:
     - `{timestamp}` eg: `1551278199614`
     - `{datetimestamp}` eg: `20190228123639`
-    - `{md5}` eg: `70a1d7fe6502fa887f5b810d9063da07`
+    - All [OpenSSL](https://www.openssl.org/) algorithms available on your system. Some common algorithims include:
+      - `{md4}` eg: `1f73e014cf3341a8b0715b27c031b188`
+      - `{md5}` eg: `70a1d7fe6502fa887f5b810d9063da07`
+      - `{sha1}` eg: `a20a181e3C2a813ae08c22fb9d61133c315517bb`
+      - `{sha224}` eg: `d157aefcf36cdc966737aa0dc4ea85d720652185550c248de9d018f9`
+      - `{sha256}` eg: `8736ba042ee82bc70676c964b6f7b05e063e1957c95Cb80e4f15f8b01e69c9ad`
+      
+      For a full list of available algorithms, at the command prompt type `openssl list -digest-algorithms`.<br>
+      For older versions of OpenSSL, at the command prompt type `openssl list-message-digest-algorithms`.<br>
+     
   - If a **string** is used, then that string is inserted. eg: `mask: 'my-string'`
 
 - `length` (number) - A number value that is used to set the length of the mask. The default value is `-1`.
@@ -184,8 +195,6 @@ In lieu of a formal styleguide, take care to maintain the existing coding style.
 
 ## Release History
 
-|    Date    | Version |  Comments                                                                                                        |
-| :--------: | :-----: | :----------------------------------------------------------------------------------------------------------------|
-| 01-03-2019 | 1.0.0   | <ul><li>Initial commit.</li></ul>                                                                                |
-| 14-03-2019 | 1.0.1   | <ul><li>Fixed incorrect counter reference in loop.</li><li>Updated README.md reflecting correct usage.</li></ul> |
-| 15-03-2019 | 1.0.2   | <ul><li>Added ability to replace asset name in template(s) even when asset name is out of sync.</li></ul>        |
+Find more on the release history at:
+
+[https://github.com/midnight-coding/grunt-cache-killer/blob/master/CHANGELOG.md](https://github.com/midnight-coding/grunt-cache-killer/blob/master/CHANGELOG.md).

package-lock.json

@@ -1,7 +1,7 @@
 {
   "name": "grunt-cache-killer",
   "description": "Kill your asset cache file problems by updating their filenames and any references to them.",
-  "version": "1.0.2",
+  "version": "1.1.0",
   "homepage": "https://github.com/midnight-coding/grunt-cache-killer",
   "author": {
     "name": "Matthew Rath",
@@ -28,9 +28,6 @@
     "grunt-contrib-watch": "^1.1.0",
     "load-grunt-tasks": "^4.0.0"
   },
-  "dependencies": {
-    "md5-file": "^4.0.0"
-  },
   "keywords": [
     "gruntplugin",
     "css",

package.json

@@ -9,7 +9,7 @@
 'use strict';
 
 // Load the required dependencies.
-var md5File = require('md5-file');
+var crypto = require('crypto');
 var fileSystem = require('fs');
 
 // Grunt task module.
@@ -63,34 +63,58 @@ module.exports = function (grunt) {
         }
 
         /**
-         * Get md5 of file.
+         * Get hash of file.
          *
          * @param $file {string}
+         * @param $algorithm {string}
          * @returns {string}
          */
-        function getMd5($file) {
-            return md5File.sync($file);
+        function getHash($file, $algorithm) {
+            var $length = 8192;
+            var $fileDescriptor = fileSystem.openSync($file, 'r');
+            var $hash = crypto.createHash($algorithm);
+            var $buffer = Buffer.alloc($length);
+
+            try {
+                var $bytesRead;
+
+                do {
+                    $bytesRead = fileSystem.readSync($fileDescriptor, $buffer, 0, $length, 0);
+
+                    $hash.update($buffer.slice(0, $bytesRead));
+                } while ($bytesRead === $length);
+            } finally {
+                fileSystem.closeSync($fileDescriptor);
+            }
+
+            return $hash.digest('hex');
         }
 
         /**
          * Get mask value.
          *
          * @param $maskType {string}
          * @param $file     {string}
-         * @param $value    {string}
          * @returns {string}
          */
-        function getMaskValue($maskType, $file, $value) {
-            switch ($maskType) {
-                case '{timestamp}':
-                    return getTimeStamp().toString();
-                case '{datetimestamp}':
-                    return getDateTimeStamp();
-                case '{md5}':
-                    return getMd5($file);
-                default:
-                    return $value;
+        function getMaskValue($maskType, $file) {
+            // If using a timestamp.
+            if ($maskType === '{timetsmap}') {
+                return getTimeStamp.toString();
+            }
+
+            // If using a datetime stamp.
+            if($maskType === '{datetimestamp}') {
+                return getDateTimeStamp();
             }
+
+            // If using an OpenSSL digest algorithm.
+            if (/{.*}/.test($maskType)) {
+                return getHash($file, $maskType.replace(new RegExp(/[{}]/, 'g'), ""));
+            }
+
+            // Just a string.
+            return $maskType;
         }
 
         /**
@@ -183,7 +207,7 @@ module.exports = function (grunt) {
 
             $tasks[i].asset.mask.prepend = $options.prepend;
             $tasks[i].asset.mask.value = {};
-            $tasks[i].asset.mask.value.raw = getMaskValue($options.mask, $tasks[i].asset.rename.from.full, $options.mask);
+            $tasks[i].asset.mask.value.raw = getMaskValue($options.mask, $tasks[i].asset.rename.from.full);
             $tasks[i].asset.mask.value.computed = trimByLength($tasks[i].asset.mask.value.raw, $options.length);
             $tasks[i].asset.mask.apend = $options.append;