Begin authorization; tweak webfinger & user-profs
Tweaks webfinger output & user-profile data to be more along the lines of Mastodon et. al. Also contains the beginnings of signature-generation required for actually sending messages.
This commit is contained in:
parent
f48d5ed8c2
commit
05fd026c84
|
@ -1,3 +1,5 @@
|
|||
(defsystem "activitypub-servist"
|
||||
:depends-on ("alexandria" "clack" "inferior-shell" "ironclad" "purl" "str" "webtentacle" "yason")
|
||||
:depends-on ("alexandria" "clack" "dexador" "inferior-shell" "ironclad" "local-time" "purl" "str" "webtentacle" "yason")
|
||||
:components ((:file "activitypub-servist")))
|
||||
|
||||
;; (ql:quickload '(alexandria clack dexador inferior-shell ironclad local-time purl str webtentacle yason))
|
||||
|
|
|
@ -22,7 +22,13 @@
|
|||
|
||||
(defun users ()
|
||||
"List of the server's usernames."
|
||||
'("rod@localhost" "mum@localhost"))
|
||||
'("servisto"))
|
||||
|
||||
|
||||
(defun userhosts ()
|
||||
"List of the server's usernames + hostname."
|
||||
(mapcar (lambda (username) (str:concat username "@" "etc.xwx.moe"))
|
||||
(users)))
|
||||
|
||||
|
||||
(defun directories ()
|
||||
|
@ -40,7 +46,7 @@
|
|||
`(200 (:content-type "application/xrd+xml; charset=utf-8")
|
||||
(,(str:concat "<?xml version=\"1.0\" encoding=\"UTF-8\"?>
|
||||
<XRD xmlns=\"http://docs.oasis-open.org/ns/xri/xrd-1.0\">
|
||||
<link rel=\"lrdd\" template=\"https://"
|
||||
<link rel=\"lrdd\" type=\"application/xrd+xml\" template=\"https://"
|
||||
(getf env :domain)
|
||||
"/.well-known/webfinger?resource={uri}\"/>
|
||||
</XRD>
|
||||
|
@ -83,7 +89,7 @@ Ex: acct:mom@bird.com → '(“mom” “bird.com”)"
|
|||
"Given a webfinger-style “resource”"
|
||||
(let* ((userhost (resource-userhost resource))
|
||||
(userhost-str (funcall #'str:concat (car userhost) "@" (cdr userhost))))
|
||||
(member userhost-str (users)
|
||||
(member userhost-str (userhosts)
|
||||
:test (lambda (a b)
|
||||
(string-equal (string-downcase a)
|
||||
(string-downcase b))))))
|
||||
|
@ -95,18 +101,21 @@ if they exist, that is.
|
|||
This is used by the WEBTENTACLE webfinger server; you can see information on
|
||||
the plist in the docstring for its WEBTENTACLE:SERVER function."
|
||||
(let* ((userhost (resource-userhost resource))
|
||||
(profile (str:concat "https://" (cdr userhost) "/users/" resource)))
|
||||
(profile (str:concat "https://" (cdr userhost) "/u/" (car userhost))))
|
||||
(when (resource-valid-p resource)
|
||||
(list
|
||||
:subject resource
|
||||
:subject (str:concat "acct:" (car userhost) "@" (cdr userhost))
|
||||
:aliases `(,profile)
|
||||
:links
|
||||
`((href ,profile
|
||||
rel "http://webfinger.net/rel/profile-page"
|
||||
type "text/html"
|
||||
properties (:apple 3 :bear 4))
|
||||
rel "self"
|
||||
type "application/activity+json")
|
||||
(href ,profile
|
||||
rel "self"
|
||||
type "application/activity+json"))))))
|
||||
type "application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\"")
|
||||
(template ,(str:concat "https://" (cdr userhost) "/ostatus_subscribe?acct={uri}")
|
||||
rel "http://ostatus.org/schema/1.0/subscribe"))))))
|
||||
|
||||
|
||||
|
||||
|
||||
|
@ -124,16 +133,103 @@ the plist in the docstring for its WEBTENTACLE:SERVER function."
|
|||
|
||||
(defun user-actor (config username)
|
||||
"The JSON of a user's actor."
|
||||
(let* ((user-root (str:concat "https://" (getf config :domain) "/u/" username)))
|
||||
(let* ((user-root (str:concat "https://" (getf config :domain) "/u/" username))
|
||||
(yason:*symbol-encoder* 'yason:encode-symbol-as-lowercase))
|
||||
(yason:with-output-to-string* ()
|
||||
(yason:encode-alist
|
||||
`(("@context" . ("https://www.w3.org/ns/activitystreams"
|
||||
"https://w3id.org/security/v1"))
|
||||
"https://litepub.social/litepub/context.jsonld"))
|
||||
("id" . ,user-root)
|
||||
("type" . "Person")
|
||||
("preferredUsername" . ,username)
|
||||
("name" . "Servistiĉo")
|
||||
("inbox" . ,(str:concat user-root "/inbox.json"))
|
||||
("outbox" . ,(str:concat user-root "/outbox.json")))))))
|
||||
("outbox" . ,(str:concat user-root "/outbox.json"))
|
||||
("summary" . "Mi estas simpla roboto, kiu montras ke iomete ekfunkcias activitypub-servist.
|
||||
… ĉu mi rajtas demeti la servistinan kostumon, nun?
|
||||
Mi ne estas knabino!!")
|
||||
("icon"
|
||||
. ,(alexandria:plist-hash-table
|
||||
(list
|
||||
"type" "Image"
|
||||
"url" "https://xwx.moe/etc/servisticho-profilbildo.png")))
|
||||
("image"
|
||||
. ,(alexandria:plist-hash-table
|
||||
(list
|
||||
"type" "Image"
|
||||
"url" "https://xwx.moe/etc/servisticho-standardo.png")))
|
||||
("publicKey"
|
||||
. ,(alexandria:plist-hash-table
|
||||
(list
|
||||
"id" (str:concat user-root "#main-key")
|
||||
"owner" user-root
|
||||
"publicKeyPem" *pubkey*))))))))
|
||||
|
||||
|
||||
|
||||
;; ————————————————————————————————————————
|
||||
;; Sending a note
|
||||
;; ————————————————————————————————————————
|
||||
(defun note-json (from to text)
|
||||
"The JSON of a user's actor."
|
||||
(let* ((user-root (str:concat "https://etc.xwx.moe/u/" from))
|
||||
(yason:*symbol-encoder* 'yason:encode-symbol-as-lowercase))
|
||||
(yason:with-output-to-string* ()
|
||||
(yason:encode-alist
|
||||
`(("@context" . ("https://www.w3.org/ns/activitystreams"
|
||||
"https://litepub.social/litepub/context.jsonld"))
|
||||
("id" . ,(format nil "~A" (random 900000)))
|
||||
("actor" . ,user-root)
|
||||
("type" . "Create")
|
||||
("object"
|
||||
. ,(alexandria:plist-hash-table
|
||||
(list
|
||||
"id" (format nil "~A" (random 900000))
|
||||
"type" "Note"
|
||||
"attributedTo" user-root
|
||||
"content" text
|
||||
"to" (if (listp to) to (list to))))))))))
|
||||
|
||||
|
||||
(defvar +date-header-datetime-format+
|
||||
'(:short-weekday ", " (:day 2) " " :short-month " " (:year 4) " "
|
||||
(:hour 2) #\: (:min 2) #\: (:sec 2) " " :timezone))
|
||||
|
||||
|
||||
(defun note-headers (inbox from to text)
|
||||
(let* ((json (note-json from to text))
|
||||
(inbox-uri (quri:uri inbox))
|
||||
(digest-header (str:concat "SHA-256=" (string-sha256sum json)))
|
||||
(date-header
|
||||
(let ((local-time:*default-timezone* local-time:+gmt-zone+))
|
||||
(local-time:format-timestring
|
||||
nil (local-time:now)
|
||||
:format +date-header-datetime-format+)))
|
||||
(signed-headers (str:unlines
|
||||
(list
|
||||
(str:concat "(request target): post " (quri:uri-path inbox-uri))
|
||||
(str:concat "host: " (quri:uri-host inbox-uri))
|
||||
(str:concat "date: " date-header)
|
||||
(str:concat "digest: " digest-header))))
|
||||
(signature (base64:usb8-array-to-base64-string
|
||||
(ironclad:sign-message (openssl-shell-import-key-pair *privkey*)
|
||||
(string-to-ub8-vector signed-headers))))
|
||||
(signature-header (str:concat "keyId=\"" from "#main-key\","
|
||||
"headers=\"(request-target) host date digest\","
|
||||
"algorithm=\"rsa-sha256\","
|
||||
"signature=\"" signature "\"")))
|
||||
`(("Date" . ,date-header)
|
||||
("Digest" . ,digest-header)
|
||||
("Signature" . ,signature-header)
|
||||
("Host" . ,(quri:uri-host inbox-uri))
|
||||
("Content-Length" . ,(length json))
|
||||
("Content-Type" . "application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\""))))
|
||||
|
||||
|
||||
(defun send-note (inbox from to text)
|
||||
(dexador:post inbox :content (note-json from to text)
|
||||
:headers (note-headers inbox from to text)))
|
||||
|
||||
|
||||
|
||||
|
||||
|
@ -145,12 +241,14 @@ the plist in the docstring for its WEBTENTACLE:SERVER function."
|
|||
'(404 (:content-type "text/plain")
|
||||
("404, you goddamn fool!")))
|
||||
|
||||
(defvar *logs* '())
|
||||
|
||||
;; ————————————————————————————————————————
|
||||
;; Invocation
|
||||
;; ————————————————————————————————————————
|
||||
(defun server (env)
|
||||
"Returns the response data for Clack, given the request data `env`."
|
||||
(setq *logs* (append *logs* (list env)))
|
||||
(let* ((path (pathname-sans-parameters (getf env :request-uri)))
|
||||
(params (pathname-parameters (getf env :request-uri)))
|
||||
(response-function
|
||||
|
@ -160,17 +258,18 @@ the plist in the docstring for its WEBTENTACLE:SERVER function."
|
|||
(path-sans-response-root
|
||||
(pathname-components
|
||||
(str:replace-first (car response-function) "" path))))
|
||||
(format nil "Path: ~s" path)
|
||||
(or (funcall (cdr response-function) env path-sans-response-root params)
|
||||
(funcall 'http-404 env path-sans-response-root params))))
|
||||
|
||||
|
||||
(defun start-server (&optional (config '(:domain "localhost")))
|
||||
(defun start-server (&optional (config '(:domain "etc.xwx.moe")))
|
||||
"Start the server."
|
||||
(clack:clackup (lambda (env)
|
||||
(server (append env config)))
|
||||
:server 'woo
|
||||
:address "0.0.0.0"
|
||||
:port 8080))
|
||||
:port (getf config :port)))
|
||||
|
||||
|
||||
|
||||
|
@ -220,6 +319,32 @@ or “/bear/apple/” or “/bear/”, but not “/bear” (not a directory)."
|
|||
(str:split #\/ pathname :omit-nulls 't))
|
||||
|
||||
|
||||
(defun string-to-ub8-vector (string)
|
||||
"Convert the given STRING into an unsigned 8-bit vector."
|
||||
(coerce
|
||||
(loop for char across string
|
||||
collect (char-code char))
|
||||
'(vector (unsigned-byte 8))))
|
||||
|
||||
|
||||
(defun digest-string (digest-spec string)
|
||||
"Compute the digest of a STRING, given an Ironclad DIGEST-SPEC."
|
||||
(ironclad:digest-sequence digest-spec (string-to-ub8-vector string)))
|
||||
|
||||
|
||||
(defun string-sha256sum (string)
|
||||
"Compute the sha256 checksum of a STRING, in hexadecimal string-format."
|
||||
(base64:usb8-array-to-base64-string
|
||||
(digest-string (ironclad:make-digest :sha256) string)))
|
||||
|
||||
|
||||
(defun sequence-hexadecimal-string (sequence)
|
||||
(reduce #'str:concat
|
||||
(loop for number across
|
||||
sequence
|
||||
collect (format nil "~X" number))))
|
||||
|
||||
|
||||
|
||||
;; ————————————————————————————————————————
|
||||
;; RSA keys
|
||||
|
|
Ŝarĝante…
Reference in New Issue