deliver-activity.sh

#!/usr/bin/env bash

host="functional.cafe"

now="$(date -u '+%a, %d %b %Y %H:%M:%S GMT')"
published="$(date -u +'%FT%R:%SZ')"

doc=$(cat <<EOF
{
	"@context": "https://www.w3.org/ns/activitystreams",

	"id": "https://jb55.com/create-hello-world-2",
	"type": "Create",
	"actor": "https://jb55.com",
        "to": [ "https://$host/users/jb55", "https://www.w3.org/ns/activitystreams#Public" ],

	"object": {
		"id": "https://jb55.com/hello-world-2",
		"type": "Note",
                "published": "$published",
		"attributedTo": "https://jb55.com",
                "to": [ "https://$host/users/jb55", "https://www.w3.org/ns/activitystreams#Public" ],
		"content": "does this work tho"
	}
}
EOF
)

echo "$doc"

#now="Tue, 28 Aug 2018 19:02:37 GMT"
sig=$(printf "(request-target): post /inbox\nhost: %s\ndate: %s" "$host" "$now" \
      | openssl dgst -sha256 -sign private.pem -keyform PEM  \
      | base64 -w 1000
     )

header="keyId=\"https://jb55.com#main-key\",headers=\"(request-target) host date\",signature=\"$sig\""

curl -v -sL -H 'Content-Type: application/json' -H "Date: $now" -H "Signature: $header" -H "Host: $host" -d "$doc" -X POST "https://$host/inbox" | nl