tencent cloud


Download via Pre-Signed URL

Terakhir diperbarui:2022-05-01 09:52:01

    Use Cases

    All buckets and objects are private by default. If you want any third party to be able to download an object without using CAM account or temporary keys, provide the third parties with signatures via pre-signed URLs for download operations. Anyone who receives a valid pre-signed URL can download an object.

    When creating a pre-signed URL, you can include object keys in your signature to specify the objects allowed for download. Besides, the validity period of pre-signed URLs can be provided in SDKs to ensure that expired URLs will not be used by any unauthorized party.


    • You are advised to use a temporary key to generate a pre-signed URL for the security of your requests such as uploads and downloads. When you apply for a temporary key, follow the Principle of Least Privilege to avoid leaking resources besides your buckets and objects.
    • If you need to use a permanent key to generate a pre-signed URL, you are advised to limit the permission of the permanent key to uploads and downloads only to avoid risks.


    Using SDKs

    Call the pre-signed URL method in the SDK directly. For more information, see the SDK documentation for the corresponding programming language below:

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