rewrote ImageRouter

- introduced UploadProvider interface
- rewrote all current UploadProviders

Signed-off-by: Philip Molares <philip.molares@udo.edu>
Signed-off-by: David Mehren <dmehren1@gmail.com>

lib/web/imageRouter/minio.ts

@@ -0,0 +1,52 @@
+import path from 'path'
+import fs from 'fs'
+import Minio from 'minio'
+
+import { config } from '../../config'
+import { getImageMimeType } from '../../utils'
+import { logger } from '../../logger'
+import { UploadProvider } from './index'
+
+const minioClient = new Minio.Client({
+  endPoint: config.minio.endPoint,
+  port: config.minio.port,
+  useSSL: config.minio.secure,
+  accessKey: config.minio.accessKey,
+  secretKey: config.minio.secretKey
+})
+
+const MinioUploadProvider: UploadProvider = {
+  uploadImage: (imagePath, callback) => {
+    if (!imagePath) {
+      callback(new Error('Image path is missing or wrong'), undefined)
+      return
+    }
+
+    if (!callback || typeof callback !== 'function') {
+      logger.error('Callback has to be a function')
+      return
+    }
+
+    fs.readFile(imagePath, function (err, buffer) {
+      if (err) {
+        callback(new Error(err.message), undefined)
+        return
+      }
+
+      const key = path.join('uploads', path.basename(imagePath))
+      const protocol = config.minio.secure ? 'https' : 'http'
+
+      minioClient.putObject(config.s3bucket, key, buffer, buffer.length, getImageMimeType(imagePath), function (err, _) {
+        if (err) {
+          callback(new Error(err.message), undefined)
+          return
+        }
+        const hidePort = [80, 443].includes(config.minio.port)
+        const urlPort = hidePort ? '' : `:${config.minio.port}`
+        callback(undefined, `${protocol}://${config.minio.endPoint}${urlPort}/${config.s3bucket}/${key}`)
+      })
+    })
+  }
+}
+
+export { MinioUploadProvider }