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restic/doc/REST_backend.md
Alexander Neumann c2348ba768 Add REST backend
This is a port of the original work by @bchapuis in
https://github.com/restic/restic/pull/253
2016-02-21 15:33:13 +01:00

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REST Backend
============
Restic can interact with HTTP Backend that respects the following REST API.
## HEAD /config
Returns "200 OK" if the repository has a configuration,
an HTTP error otherwise.
## GET /config
Returns the content of the configuration file if the repository has a configuration,
an HTTP error otherwise.
Response format: binary/octet-stream
## POST /config
Returns "200 OK" if the configuration of the request body has been saved,
an HTTP error otherwise.
## GET /{type}/
Returns a JSON array containing the names of all the blobs stored for a given type.
Response format: JSON
## HEAD /{type}/{name}
Returns "200 OK" if the blob with the given name and type is stored in the repository,
"404 not found" otherwise. If the blob exists, the HTTP header `Content-Length`
is set to the file size.
## GET /{type}/{name}
Returns the content of the blob with the given name and type if it is stored in the repository,
"404 not found" otherwise.
If the request specifies a partial read with a Range header field,
then the status code of the response is 206 instead of 200
and the response only contains the specified range.
Response format: binary/octet-stream
## POST /{type}/{name}
Saves the content of the request body as a blob with the given name and type,
an HTTP error otherwise.
Request format: binary/octet-stream
## DELETE /{type}/{name}
Returns "200 OK" if the blob with the given name and type has been deleted from the repository,
an HTTP error otherwise.