penpot/backend/src/app/loggers/audit/archive_task.clj
2024-03-25 10:46:15 +01:00

140 lines
4.1 KiB
Clojure

;; This Source Code Form is subject to the terms of the Mozilla Public
;; License, v. 2.0. If a copy of the MPL was not distributed with this
;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
;;
;; Copyright (c) KALEIDOS INC
(ns app.loggers.audit.archive-task
(:require
[app.common.exceptions :as ex]
[app.common.logging :as l]
[app.common.transit :as t]
[app.common.uuid :as uuid]
[app.config :as cf]
[app.db :as db]
[app.http.client :as http]
[app.setup :as-alias setup]
[app.tokens :as tokens]
[app.util.time :as dt]
[clojure.spec.alpha :as s]
[integrant.core :as ig]
[lambdaisland.uri :as u]
[promesa.exec :as px]))
;; This is a task responsible to send the accumulated events to
;; external service for archival.
(defn- decode-row
[{:keys [props ip-addr context] :as row}]
(cond-> row
(db/pgobject? props)
(assoc :props (db/decode-transit-pgobject props))
(db/pgobject? context)
(assoc :context (db/decode-transit-pgobject context))
(db/pgobject? ip-addr "inet")
(assoc :ip-addr (db/decode-inet ip-addr))))
(def ^:private event-keys
[:type
:name
:source
:created-at
:tracked-at
:profile-id
:ip-addr
:props
:context])
(defn- row->event
[row]
(select-keys row event-keys))
(defn- send!
[{:keys [::uri] :as cfg} events]
(let [token (tokens/generate (::setup/props cfg)
{:iss "authentication"
:iat (dt/now)
:uid uuid/zero})
body (t/encode {:events events})
headers {"content-type" "application/transit+json"
"origin" (cf/get :public-uri)
"cookie" (u/map->query-string {:auth-token token})}
params {:uri uri
:timeout 12000
:method :post
:headers headers
:body body}
resp (http/req! cfg params)]
(if (= (:status resp) 204)
true
(do
(l/error :hint "unable to archive events"
:resp-status (:status resp)
:resp-body (:body resp))
false))))
(defn- mark-archived!
[{:keys [::db/conn]} rows]
(let [ids (db/create-array conn "uuid" (map :id rows))]
(db/exec-one! conn ["update audit_log set archived_at=now() where id = ANY(?)" ids])))
(def ^:private xf:create-event
(comp (map decode-row)
(map row->event)))
(def ^:private sql:get-audit-log-chunk
"SELECT *
FROM audit_log
WHERE archived_at is null
ORDER BY created_at ASC
LIMIT 128
FOR UPDATE
SKIP LOCKED")
(defn- get-event-rows
[{:keys [::db/conn] :as cfg}]
(->> (db/exec! conn [sql:get-audit-log-chunk])
(not-empty)))
(defn- archive-events!
[{:keys [::uri] :as cfg}]
(db/tx-run! cfg (fn [cfg]
(when-let [rows (get-event-rows cfg)]
(let [events (into [] xf:create-event rows)]
(l/trc :hint "archive events chunk" :uri uri :events (count events))
(when (send! cfg events)
(mark-archived! cfg rows)
(count events)))))))
(defmethod ig/pre-init-spec ::handler [_]
(s/keys :req [::db/pool ::setup/props ::http/client]))
(defmethod ig/init-key ::handler
[_ cfg]
(fn [params]
;; NOTE: this let allows overwrite default configured values from
;; the repl, when manually invoking the task.
(let [enabled (or (contains? cf/flags :audit-log-archive)
(:enabled params false))
uri (cf/get :audit-log-archive-uri)
uri (or uri (:uri params))
cfg (assoc cfg ::uri uri)]
(when (and enabled (not uri))
(ex/raise :type :internal
:code :task-not-configured
:hint "archive task not configured, missing uri"))
(when enabled
(loop [total 0]
(if-let [n (archive-events! cfg)]
(do
(px/sleep 100)
(recur (+ total ^long n)))
(when (pos? total)
(l/dbg :hint "events archived" :total total))))))))