Merge pull request #21 from hzrd149/media-endpoint

BUD-05 Media optimazation endpoint
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hzrd149
2024-11-21 15:13:54 -06:00
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Servers MAY accept an authorization event when uploading blobs and should perform additional checks
1. The `t` tag MUST be set to `upload`
2. MUST contain at least one `x` tag matching the sha256 hash of the blob being uploaded
2. MUST contain at least one `x` tag matching the sha256 hash of the body of the request
Example Authorization event:

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buds/05.md Normal file
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# BUD-05
Media optimization endpoints
`draft` `optional`
Defines the `PUT /media` endpoint for processing and optimizing media
## PUT /media
The `PUT /media` endpoint MUST accept binary data in the body of the request and MAY use the `Content-Type` and `Content-Length` headers to get the MIME type and size of the media
The server should preform any optimizations or conversions it deems necessary in order to make the media more suitable for distribution
The endpoint MUST respond with a `2xx` status and a [blob descriptor](./02.md#blob-descriptor) of the new processed blob
Servers MAY reject media uploads for any reason and should respond with the appropriate HTTP `4xx` status code and an error message explaining the reason for the rejection
### Upload Authorization
Servers MAY require an `upload` [authorization event](./02.md#upload-authorization-required) to identify the uploader
If a server requires an `upload` authorization event it MUST preform all the checks outlined in the [`/upload`](./02.md#upload-authorization-required) endpoint
## Limitations
This endpoint is intentionally limited to optimizing a single blob with the goal of making it easier to distribute
How the blob is optimized is the sole respirability of the server and the client should have no say in what optimization process is used
The goal of this endpoint is to provide a simple "trusted" optimization endpoint clients can use to optimize media for distribution
If a longer optimization or transformation process is needed, or if the client needs to specify how a blob should be transformed. there are other tools and protocol that should be used.
## Client Implementation
Clients MAY let a user selected a "trusted processing" server for uploading images or short videos
Once a server has been selected, the client can upload the original media to the `/media` endpoint of the trusted server and get the optimized blob back
Then optionally the client can ask the user to sign another `upload` authorization event for the new optimized blob and call the `/mirror` endpoint on other servers to distribute the blob