tencent_cos_dart

Tencent Cloud COS presigned URL signer (pure Dart).

Features

  • Generate COS presigned URLs (GET/PUT/DELETE/POST)
  • Custom domain support (with or without scheme)

Install

dependencies:
  tencent_cos_dart: ^0.1.0

Usage

import 'package:tencent_cos_dart/tencent_cos_dart.dart';

final config = CosConfig(
  secretId: '<TENCENT_SECRET_ID>',
  secretKey: '<TENCENT_SECRET_KEY>',
  bucket: '<COS_BUCKET_NAME>',
  region: '<COS_REGION>',
  customDomain: 'https://my-cdn.example.com', // optional
);

final signer = CosSigner.fromConfig(config);
final url = signer.generatePresignedUrl(
  'PUT',
  'src/public/example/file.png',
  expires: 3600,
);

Where to find COS settings (Tencent Console)

1) SecretId / SecretKey

  • API Key Management: https://console.cloud.tencent.com/cam/capi

2) Bucket

  • COS Console: https://console.cloud.tencent.com/cos5
  • Doc: https://cloud.tencent.com/document/product/436/13309

3) Region

  • Doc: https://cloud.tencent.com/document/product/436/6224

4) customDomain (optional)

  • Doc: https://cloud.tencent.com/document/product/436/18424

Notes

  • objectKey can be path/to/file or /path/to/file.
  • customDomain can be https://example.com or example.com.

Maintenance

  • Versioning: SemVer
  • Feedback: issue / PR

Libraries

tencent_cos_dart