Azure Blob Storage Datasource Plugin

Access Azure Blob Storage containers and blobs as a datasource for Dify with multiple authentication methods.

Features

• Multiple Authentication Methods: Account key, SAS token, connection string, Azure AD OAuth
• Container Browsing: List all accessible storage containers
• Blob Management: Browse and download blob files from containers
• Directory Simulation: Virtual directory structure based on prefixes
• Large File Support: Automatic chunked download for large blob files
• Multi-Cloud Support: Global cloud, China cloud, Government cloud, Germany cloud
• Complete OAuth Support: Automatic access token refresh without re-authorization
• Rich Metadata: Complete blob properties and metadata

Supported Authentication Methods

1. Account Key (Recommended for Development)

• Use storage account name and access key
• Provides full storage account access permissions

2. SAS Token (Recommended for Production)

• Use Shared Access Signature token
• Support fine-grained permission control and time limits
• Minimum permissions: read and list permissions

3. Connection String

• Use complete connection string
• Contains all required connection information

4. Azure AD OAuth (Recommended for Enterprise)

• Use Azure Active Directory authentication
• Support automatic access token refresh
• Multi-cloud environment support (Global, China, Government clouds)
• Principle of least privilege: only requires Storage user impersonation permissions

Supported Content Types

• All types of blob files
• Automatic MIME type detection
• Support for text, images, documents, archives, etc.
• Large file chunked download (>50MB)

Azure Cloud Support

• Global Azure: core.windows.net (default)
• Azure China: core.chinacloudapi.cn
• Azure Government: core.usgovcloudapi.net

Version: 0.2.0

Features in v0.2.0

• ✅ Account key authentication
• ✅ SAS token authentication
• ✅ Connection string authentication
• ✅ Container and blob browsing
• ✅ Large file chunked download
• ✅ Multi-cloud environment support
• ✅ Archive tier detection and alerts
• ✅ Complete Azure AD OAuth support
• ✅ Automatic access token refresh

Security Features

• Secure storage of sensitive credentials
• Permission validation and error handling
• Principle of least privilege
• Secure authentication flows