Caddy v2 hmac middleware
xcaddy build v2.0.0 \
--with github.com/abiosoft/caddy-hmac
hmac computes the hash of the request body as a {hmac.signature} placeholder for other matchers and handlers.
hmac [<name>] <algorithm> <secret>
- name - [optional] if set, names the signature and available as
{hmac.name.signature}. - algorithm - hash algorithm to use. Can be one of
sha1,sha256,md5. - secret - the hmac secret key.
Run a command after validating a Github webhook secured with a secret.
@github {
path /webhook
header_regexp X-Hub-Signature "[a-z0-9]+\=([a-z0-9]+)"
}
@hmac {
expression {hmac.signature} == {http.regexp.1}
}
route @github {
hmac sha1 {$GITHUB_WEBHOOK_SECRET}
exec @hmac git pull origin master
}
hmac can be part of any route as an handler
{
...
"routes": [
{
"handle": [
{
// required to indicate the handler
"handler": "hmac",
// [optional] if set, names the sigurature to be referenced
// as {hmac.name.signature}.
"name": "",
// the algorithm to use. can be sha1, sha256, md5
"algorithm": "sha1",
// hmac secret
"secret": "some secrets"
}
]
},
...
]
...
}Apache 2
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