Multer Azure Storage

Multer Azure Storage provides a Storage for multer allowing for saving data to Blob Storage.

Installation

npm install multer-azure-storage

or

yarn add multer-azure-storage

Usage

Basic usage example:

var multer = require('multer')
var MulterAzureStorage = require('multer-azure-storage')
var upload = multer({
  storage: new MulterAzureStorage({
    azureStorageConnectionString: 'DefaultEndpointsProtocol=https;AccountName=mystorageaccount;AccountKey=mykey;EndpointSuffix=core.windows.net',
    containerName: 'photos',
    containerSecurity: 'blob'
  })
})

Then use upload as described in multer documentation

File information

Each file added using Multer Azure Storage contains the following information:

Key | Description | Note ---|---|--- fieldname | Field name specified in the form | added by multer originalname | Name of the file on the user's computer | added by multer encoding | Encoding type of the file | added by multer mimetype | Mime type of the file | added by multer blob | Name of created blob | container | Name of container in which blob was created | blobType | Type of blob | BlockBlob - From the result of call to azure's getBlobProperties() of blobService size | Size of the blob | From the result of call to azure's getBlobProperties() of blobService etag | Etag | From the result of call to azure's getBlobProperties() of blobService metadata | Blob's metadata | From the result of call to azure's getBlobProperties() of blobService url | Url to access the blob |

Options

To setup the connection to Azure Storage either the connection string (azureStorageConnectionString) is required or the combination of storage account (azureStorageAccount) and access key (azureStorageAccessKey)

Using Azure storage connection string

| Parameter Name | Type | Sample Value | |---|---|---| | azureStorageConnectionString | string | 'DefaultEndpointsProtocol=https;AccountName=mystorageaccount;AccountKey=mykey;EndpointSuffix=core.windows.net' | | containerName | string | 'photos' | | containerSecurity | string (optional) | 'blob' or 'container', defaults to blob | | fileName | function (optional) | function that receives a file reference and allows customization of the file name |

Using Azure storage account name and access key

| Parameter Name | Type | Sample Value | |---|---|---| | azureStorageAccessKey | string | 'dcs@3asd@...' - Access Key related to your storage account | | azureStorageAccount | string | 'mystorageaccount' | | containerName | string | 'photos' | | containerSecurity | string (optional) | 'blob' or 'container', defaults to blob | | fileName | function (optional) | function that receives a file reference and allows customization of the file name |

For more information about the meaning of individual parameters please check Azure documentation on node.js integration.

Tests

Not implemented yet

License

MIT