Presigned URLS
By default,
all Amazon S3 objects are private, only the object owner has permission to
access them. However, the object owner may share objects with others by
creating a presigned URL. A presigned URL uses security credentials to grant
time-limited permission to download objects. The URL can be entered in a
browser or used by a program to download the object. The credentials used by
the presigned URL are those of the AWS user who generated the URL.
You can use
the Amazon S3 console to generate a presigned URL for sharing an object by
following these steps. When using the console the maximum expiration time for a
presigned URL is 12 hours from the time of creation.
1. To
generate a presigned URL by using the Amazon S3 console
Sign in to
the AWS Management Console and open the Amazon S3 console at
https://console.aws.amazon.com/s3/.
2. In the
left navigation pane, choose Buckets.
3. In the
Buckets list, choose the name of the bucket that contains the object that you
want a presigned URL for.
4. In the
Objects list, select the object that you want to create a presigned URL for.
5. On the
Object actions menu, choose Share with a presigned URL.
6. Specify
how long you want the presigned URL to be valid.
7. Choose
Create presigned URL.
8. When a
confirmation appears, the URL is automatically copied to your clipboard. You
will see a button to copy the presigned URL if you need to copy it again.
Presigned urls
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