2026-08-19 07:58:44 +02:00

456 lines
15 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 Sucursal en España SL
(ns app.loggers.audit
"Services related to the user activity (audit log)."
(:require
[app.common.data :as d]
[app.common.data.macros :as dm]
[app.common.json :as json]
[app.common.logging :as l]
[app.common.schema :as sm]
[app.common.time :as ct]
[app.common.uuid :as uuid]
[app.config :as cf]
[app.db :as db]
[app.email :as email]
[app.http :as-alias http]
[app.http.access-token :as-alias actoken]
[app.loggers.audit.tasks :as-alias tasks]
[app.loggers.webhooks :as-alias webhooks]
[app.rpc :as-alias rpc]
[app.setup :as-alias setup]
[app.util.inet :as inet]
[app.util.services :as-alias sv]
[app.worker :as wrk]
[cuerdas.core :as str]
[yetti.request :as yreq]))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; HELPERS
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(def ^:private filter-auth-events
#{"login-with-oidc" "login-with-password" "register-profile" "update-profile"})
(def ^:private organization-sso-failure-reasons
#{"access-denied"
"provider-unavailable"
"invalid-configuration"
"provider-error"
"token-exchange-failed"
"user-info-failed"
"incomplete-user-info"
"unexpected-error"})
(def ^:private safe-backend-context-keys
#{:version
:initiator
:client-version
:client-user-agent})
(def ^:private safe-frontend-context-keys
#{:version
:locale
:browser
:browser-version
:engine
:engine-version
:os
:os-version
:device-type
:device-arch
:screen-width
:screen-height
:screen-color-depth
:screen-orientation
:event-origin
:event-namespace
:event-symbol})
(def profile-props
[:id
:is-active
:is-muted
:auth-backend
:email
:default-team-id
:default-project-id
:fullname
:lang])
(def ^:private event-keys
#{:id
:name
:type
:profile-id
:ip-addr
:props
:context
:source
:tracked-at
:created-at})
(def reserved-props
#{:session-id
:password
:old-password
:token
:client-secret})
(defn extract-utm-params
"Extracts additional data from params and namespace them under
`penpot` ns."
[params]
(letfn [(process-param [params k v]
(let [sk (d/name k)]
(cond-> params
(str/starts-with? sk "utm_")
(assoc (->> sk str/kebab (keyword "penpot")) v)
(str/starts-with? sk "mtm_")
(assoc (->> sk str/kebab (keyword "penpot")) v))))]
(reduce-kv process-param {} params)))
(defn profile->props
[profile]
(-> profile
(select-keys profile-props)
(merge (:props profile))
(d/without-nils)))
(defn clean-props
[props]
(into {}
(comp
(d/without-nils)
(d/without-qualified)
(remove #(contains? reserved-props (key %))))
props))
(defn get-external-session-id
[request]
(when-let [session-id (yreq/get-header request "x-external-session-id")]
(when-not (or (> (count session-id) 256)
(= session-id "null")
(str/blank? session-id))
session-id)))
(defn- get-client-event-origin
[request]
(when-let [origin (yreq/get-header request "x-event-origin")]
(when-not (or (= origin "null")
(str/blank? origin))
(str/prune origin 200))))
(defn get-client-user-agent
[request]
(when-let [user-agent (yreq/get-header request "user-agent")]
(str/prune user-agent 500)))
(defn- get-client-version
[request]
(when-let [origin (yreq/get-header request "x-frontend-version")]
(when-not (or (= origin "null")
(str/blank? origin))
(str/prune origin 100))))
;; --- SPECS
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; COLLECTOR API
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(declare prepare-context-from-request)
;; Defines a service that collects the audit/activity log using
;; internal database. Later this audit log can be transferred to
;; an external storage and data cleared.
(def ^:private schema:event
[:map {:title "AuditEvent"}
[:id {:optional true} ::sm/uuid]
[:type ::sm/text]
[:name ::sm/text]
[:profile-id ::sm/uuid]
[:props [:map-of :keyword :any]]
[:context [:map-of :keyword :any]]
[:tracked-at ::ct/inst]
[:created-at ::ct/inst]
[:source ::sm/text]
[:ip-addr {:optional true} ::sm/text]
[::webhooks/event? {:optional true} ::sm/boolean]
[::webhooks/batch-timeout {:optional true} ::ct/duration]
[::webhooks/batch-key {:optional true}
[:or ::sm/fn ::sm/text :keyword]]])
(def ^:private check-event
(sm/check-fn schema:event))
(def valid-event?
(sm/validator schema:event))
(defn prepare-context-from-request
"Prepare backend event context from request"
[request]
(let [client-event-origin (get-client-event-origin request)
client-version (get-client-version request)
client-user-agent (get-client-user-agent request)
session-id (get-external-session-id request)
key-id (::http/auth-key-id request)
token-id (::actoken/id request)
token-type (::actoken/type request)]
{:external-session-id session-id
:initiator (or key-id "app")
:access-token-id (some-> token-id str)
:access-token-type (some-> token-type str)
:client-event-origin client-event-origin
:client-user-agent client-user-agent
:client-version client-version
:version (:full cf/version)}))
(defn- append-audit-entry
[cfg params]
(let [params (-> params
(assoc :id (uuid/next))
(update :props db/tjson)
(update :context db/tjson)
(update :ip-addr db/inet))
params (select-keys params event-keys)]
(db/insert! cfg :audit-log params)))
(def ^:private xf:filter-telemetry-props
"Transducer that keeps only map entries whose values are UUIDs,
booleans or numbers."
(filter (fn [[k v]]
(and (simple-keyword? k)
(or (uuid? v) (boolean? v) (number? v))))))
(declare filter-telemetry-props)
(declare filter-telemetry-context)
(defn- process-event
[cfg event]
(when (contains? cf/flags :audit-log-logger)
(l/log! ::l/logger "app.audit"
::l/level :info
:profile-id (str (:profile-id event))
:ip-addr (str (:ip-addr event))
:type (:type event)
:name (:name event)
:props (json/encode (:props event) :key-fn json/write-camel-key)
:context (json/encode (:context event) :key-fn json/write-camel-key)))
(when (contains? cf/flags :audit-log)
(append-audit-entry cfg event))
(when (contains? cf/flags :telemetry)
;; NOTE: when both audit-log and telemetry are enabled, events are stored
;; twice: once with full details (above) and once stripped of props and
;; ip-addr, tagged with source="telemetry" so the telemetry task can
;; collect and ship them. The profile-id is preserved (UUIDs are already
;; anonymous random identifiers). Only a safe subset of context fields
;; is kept: initiator, version, client-version and client-user-agent.
;; Timestamps are truncated to day precision to avoid leaking exact event
;; timing.
(let [event (-> event
(filter-telemetry-props)
(filter-telemetry-context)
(update :created-at ct/truncate :days)
(update :tracked-at ct/truncate :days)
(assoc :source "telemetry:backend")
(assoc :ip-addr "0.0.0.0"))]
(append-audit-entry cfg event)))
(when (and (contains? cf/flags :webhooks)
(::webhooks/event? event))
(let [batch-key (::webhooks/batch-key event)
batch-timeout (::webhooks/batch-timeout event)
label (dm/str "rpc:" (:name event))
label (cond
(ifn? batch-key) (dm/str label ":" (batch-key (::rpc/params event)))
(string? batch-key) (dm/str label ":" batch-key)
:else label)
dedupe? (boolean (and batch-key batch-timeout))]
(wrk/submit! (-> cfg
(assoc ::wrk/task :process-webhook-event)
(assoc ::wrk/queue :webhooks)
(assoc ::wrk/max-retries 0)
(assoc ::wrk/delay (or batch-timeout 0))
(assoc ::wrk/dedupe dedupe?)
(assoc ::wrk/label label)
(assoc ::wrk/params (-> event
(d/without-qualified)
(dissoc :source)
(dissoc :context)
(dissoc :ip-addr)
(dissoc :type)))))))
event)
(defn submit*
"A public API, lower-level than submit, assumes all required fields are filled"
[cfg event]
(try
(let [event (check-event event)]
(db/tx-run! cfg process-event event))
(catch Throwable cause
(l/error :hint "unexpected error processing event" :cause cause))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; PUBLIC API
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defn filter-telemetry-props
[{:keys [source name props type] :as params}]
(cond
(and (= source "backend")
(= name "organization-sso-auth-failed"))
(let [props' (into {} xf:filter-telemetry-props props)
props' (cond-> props'
(contains? organization-sso-failure-reasons (:failure-reason props))
(assoc :failure-reason (:failure-reason props)))]
(assoc params :props props'))
(or (and (= source "frontend")
(= type "identify"))
(and (= source "backend")
(filter-auth-events name)))
(let [props' (into {} xf:filter-telemetry-props props)
props' (-> props'
(assoc :lang (:lang props))
(assoc :auth-backend (:auth-backend props))
(assoc :email-domain (email/get-domain (:email props)))
(d/without-nils))]
(assoc params :props props'))
(and (= source "backend")
(= type "trigger")
(= name "instance-start"))
params
(and (= source "frontend")
(= type "action")
(= name "navigate"))
(assoc params :props (select-keys props [:route :file-id :team-id :page-id]))
:else
(let [props (into {} xf:filter-telemetry-props props)]
(assoc params :props props))))
(defn filter-telemetry-context
[{:keys [source context] :as params}]
(let [context (case source
"backend" (select-keys context safe-backend-context-keys)
"frontend" (select-keys context safe-frontend-context-keys)
{})]
(assoc params :context context)))
(defn prepare-rpc-event
[cfg mdata params result]
(let [resultm (meta result)
request (-> params meta ::http/request)
profile-id (or (::profile-id resultm)
(some-> (:profile-id result)
(cond-> (string? (:profile-id result))
uuid/parse*))
(::rpc/profile-id params)
uuid/zero)
props (-> (or (::replace-props resultm)
(merge params (::props resultm)))
(clean-props))
context (-> (::context resultm)
(merge (prepare-context-from-request request))
(assoc :request-id (::rpc/request-id params))
(d/without-nils))
ip-addr (inet/parse-request request)
module (get cfg ::rpc/module)]
{:type (or (::type resultm)
(::rpc/type cfg))
:name (or (::name resultm)
(let [sname (::sv/name mdata)]
(if (not= module "main")
(str module "-" sname)
sname)))
:profile-id profile-id
:ip-addr ip-addr
:props props
:context context
:created-at (::rpc/request-at params)
:tracked-at (::rpc/request-at params)
;; NOTE: for batch-key lookup we need the params as-is
;; because the rpc api does not need to know the
;; audit/webhook specific object layout.
::rpc/params params
::webhooks/batch-key
(or (::webhooks/batch-key mdata)
(::webhooks/batch-key resultm))
::webhooks/batch-timeout
(or (::webhooks/batch-timeout mdata)
(::webhooks/batch-timeout resultm))
::webhooks/event?
(or (::webhooks/event? mdata)
(::webhooks/event? resultm)
false)}))
(defn event-from-rpc-params
"Create a base event skeleton with pre-filled some important
data that can be extracted from RPC params object"
[params]
(let [context (some-> params meta ::http/request prepare-context-from-request)
context (assoc context :request-id (::rpc/request-id params))
request-at (::rpc/request-at params)]
{:type "action"
:profile-id (::rpc/profile-id params)
:created-at request-at
:tracked-at request-at
:ip-addr (::rpc/ip-addr params)
:context (d/without-nils context)}))
(defn submit
"Submit an event to be registered under audit-log subsystem"
[cfg event]
(let [tnow (ct/now)
event (-> event
(assoc :created-at tnow)
(update :profile-id d/nilv uuid/zero)
(update :tracked-at d/nilv tnow)
(update :ip-addr d/nilv "0.0.0.0")
(update :props d/nilv {})
(update :context d/nilv {})
(update :source d/nilv "backend")
(d/without-nils))]
(submit* cfg event)))
(defn insert
"Submit audit event to the collector, intended to be used only from
command line helpers because this skips all webhooks and telemetry
logic."
[cfg event]
(when (contains? cf/flags :audit-log)
(let [tnow (ct/now)
event (-> event
(assoc :created-at tnow)
(update :tracked-at d/nilv tnow)
(update :profile-id d/nilv uuid/zero)
(update :props d/nilv {})
(update :context d/nilv {})
(update :source d/nilv "backend")
(select-keys event-keys)
(check-event))]
(db/run! cfg append-audit-entry event))))