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Joey Hess 2024-07-29 11:37:13 -04:00
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18
doc/design/p2p_protocol_over_http.mdwn
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@ -3,11 +3,11 @@
## introduction
The [[P2P protocol]] is a custom protocol that git-annex speaks over a ssh
connection (mostly). This is a translation of that protocol to HTTP.
connection (mostly). This is a translation of that protocol to a HTTP API
[[git-annex-p2phttp]] serves this protocol.
[[git-annex-p2phttp]] serves this API.
To indicate that an url uses this protocol, use
To indicate that an url uses this API, use
`annex+http` or `annex+https` as the url scheme. Such an url uses
port 9417 by default, although another port can be specified.
For example, "annex+http://example.com/git-annex/"
@ -18,10 +18,10 @@ A git-annex key can contain text in any encoding. So can a filename,
and it's even possible, though unlikely, that the UUID of a git-annex
repository might.
But this protocol requires that UTF-8 be used throughout, except
But the P2P requires that UTF-8 be used throughout, except
where bodies use `Content-Type: application/octet-stream`.
So this protocol allows using
So this API allows using
[base64url](https://datatracker.ietf.org/doc/html/rfc4648#section-5)
encoding for such values. Any key, filename, or UUID wrapped in square
brackets is a base64url encoded value.
@ -50,9 +50,9 @@ Requests are versioned. The versions correspond to
P2P protocol versions. The version is part of the request path,
eg "v3"
If the server does not support a particular protocol version, the
If the server does not support a particular version, the
request will fail with a 404, and the client should fall
back to an earlier protocol version.
back to an earlier version.
## common request parameters
@ -88,7 +88,7 @@ ready to service requests.]
This is a simple, unversioned interface to get the content of a key
from a repository.
It is not part of the P2P protocol per se, but is provided to let
It is not part of the API per se, but is provided to let
other clients than git-annex easily download the content of keys from the
http server.
@ -327,7 +327,7 @@ The body of the request is empty.
The server responds with JSON object with a timestmap field that has the
current value of its monotonic clock, as a number of seconds.
Important: If multiple servers are serving this protocol for the same
Important: If multiple servers are serving this API for the same
repository, they MUST all use the same monotonic clock.
### POST /git-annex/$uuid/v3/put