initial commit

commands/ValidateChecksum.ts

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+import { BaseCommand } from '@adonisjs/core/build/standalone';
+import crypto from 'crypto';
+import fs from 'fs';
+
+export default class ValidateChecksum extends BaseCommand {
+    /**
+     * Command name is used to run the command
+     */
+    public static commandName = 'validate:checksum';
+
+    /**
+     * Command description is displayed in the "help" output
+     */
+    public static description = '';
+
+    public static settings = {
+        /**
+         * Set the following value to true, if you want to load the application
+         * before running the command. Don't forget to call `node ace generate:manifest`
+         * afterwards.
+         */
+        loadApp: true,
+
+        /**
+         * Set the following value to true, if you want this command to keep running until
+         * you manually decide to exit the process. Don't forget to call
+         * `node ace generate:manifest` afterwards.
+         */
+        stayAlive: false,
+    };
+
+    public async run() {
+        // this.logger.info('Hello world!')
+        const { default: File } = await import('App/Models/File');
+        // const { default: HashValue } = await  (await (import ('App/Models/HashValue')));
+
+        // query all files from database:
+        const files = await File.query().preload('hashvalues');
+
+        for (var file of files) {
+            let hashValue = await file.related('hashvalues').query().pluck('value', 'type');
+
+            const filePath = '/storage/app/public/' + file.pathName;
+            let calculatedMd5FileHash;
+            try {
+                calculatedMd5FileHash = await this.checksumFile(filePath, 'md5');
+            } catch (exception) {
+                this.logger.error(exception.message);
+                continue;
+            }
+
+            if (hashValue['md5'] == calculatedMd5FileHash) {
+                this.logger.info(
+                    `File id ${file.id}: stored md5 checksum: ${calculatedMd5FileHash}, control md5 checksum: ${hashValue['md5']}`,
+                );
+            } else {
+                this.logger.logError(
+                    `File id ${file.id}: stored md5 checksum: ${calculatedMd5FileHash}, control md5 checksum: ${hashValue['md5']}`,
+                );
+            }
+        }
+    }
+
+    private async checksumFile(path, hashName = 'md5'): Promise<string> {
+        return new Promise((resolve, reject) => {
+            const hash = crypto.createHash(hashName);
+            const stream = fs.createReadStream(path);
+            stream.on('error', (err) => reject(err));
+            stream.on('data', (chunk) => hash.update(chunk));
+            stream.on('end', () => resolve(hash.digest('hex')));
+        });
+    }
+}

commands/index.ts

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+import { listDirectoryFiles } from '@adonisjs/core/build/standalone';
+import Application from '@ioc:Adonis/Core/Application';
+
+/*
+|--------------------------------------------------------------------------
+| Exporting an array of commands
+|--------------------------------------------------------------------------
+|
+| Instead of manually exporting each file from this directory, we use the
+| helper `listDirectoryFiles` to recursively collect and export an array
+| of filenames.
+|
+| Couple of things to note:
+|
+| 1. The file path must be relative from the project root and not this directory.
+| 2. We must ignore this file to avoid getting into an infinite loop
+|
+*/
+export default listDirectoryFiles(__dirname, Application.appRoot, ['./commands/index']);