Add Azure Blob Storage support

Signed-off-by: Adam Hoka <hoka.adam@nexogen.hu>

lib/web/imageRouter/azure.js

@@ -0,0 +1,35 @@
+'use strict'
+const path = require('path')
+
+const config = require('../../config')
+const logger = require('../../logger')
+
+const azure = require('azure-storage')
+
+exports.uploadImage = function (imagePath, callback) {
+  if (!imagePath || typeof imagePath !== 'string') {
+    callback(new Error('Image path is missing or wrong'), null)
+    return
+  }
+
+  if (!callback || typeof callback !== 'function') {
+    logger.error('Callback has to be a function')
+    return
+  }
+
+  var azureBlobService = azure.createBlobService(config.azure.connectionString)
+
+  azureBlobService.createContainerIfNotExists(config.azure.container, { publicAccessLevel: 'blob' }, function (err, result, response) {
+    if (err) {
+      callback(new Error(err.message), null)
+    } else {
+      azureBlobService.createBlockBlobFromLocalFile(config.azure.container, path.basename(imagePath), imagePath, function (err, result, response) {
+        if (err) {
+          callback(new Error(err.message), null)
+        } else {
+          callback(null, azureBlobService.getUrl(config.azure.container, result.name))
+        }
+      })
+    }
+  })
+}