penpot/backend/src/app/http/errors.clj
2025-02-11 13:52:12 +01:00

255 lines
8.4 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.http.errors
"A errors handling for the http server."
(:require
[app.common.exceptions :as ex]
[app.common.logging :as l]
[app.common.schema :as-alias sm]
[app.config :as cf]
[app.http :as-alias http]
[app.http.access-token :as-alias actoken]
[app.http.session :as-alias session]
[app.util.inet :as inet]
[clojure.spec.alpha :as s]
[yetti.request :as yreq]
[yetti.response :as yres]))
(defn request->context
"Extracts error report relevant context data from request."
[request]
(let [claims (-> {}
(into (::session/token-claims request))
(into (::actoken/token-claims request)))]
{:request/path (:path request)
:request/method (:method request)
:request/params (:params request)
:request/user-agent (yreq/get-header request "user-agent")
:request/ip-addr (inet/parse-request request)
:request/profile-id (:uid claims)
:version/frontend (or (yreq/get-header request "x-frontend-version") "unknown")
:version/backend (:full cf/version)}))
(defmulti handle-error
(fn [cause _ _]
(-> cause ex-data :type)))
(defmulti handle-exception
(fn [cause _ _]
(class cause)))
(defmethod handle-error :authentication
[err _ _]
{::yres/status 401
::yres/body (ex-data err)})
(defmethod handle-error :authorization
[err _ _]
{::yres/status 403
::yres/body (ex-data err)})
(defmethod handle-error :restriction
[err request _]
(let [{:keys [code] :as data} (ex-data err)]
(if (= code :method-not-allowed)
{::yres/status 405
::yres/body data}
(binding [l/*context* (request->context request)]
(l/err :hint "restriction error" :data data)
{::yres/status 400
::yres/body data}))))
(defmethod handle-error :rate-limit
[err _ _]
(let [headers (-> err ex-data ::http/headers)]
{::yres/status 429
::yres/headers headers}))
(defmethod handle-error :concurrency-limit
[err _ _]
(let [headers (-> err ex-data ::http/headers)]
{::yres/status 429
::yres/headers headers}))
(defmethod handle-error :validation
[err request parent-cause]
(let [{:keys [code] :as data} (ex-data err)]
(cond
(or (= code :spec-validation)
(= code :params-validation)
(= code :schema-validation)
(= code :data-validation))
(let [explain (ex/explain data)]
{::yres/status 400
::yres/body (-> data
(dissoc ::s/problems ::s/value ::s/spec ::sm/explain)
(cond-> explain (assoc :explain explain)))})
(= code :vern-conflict)
{::yres/status 409 ;; 409 - Conflict
::yres/body data}
(= code :request-body-too-large)
{::yres/status 413 ::yres/body data}
(= code :invalid-image)
(binding [l/*context* (request->context request)]
(let [cause (or parent-cause err)]
(l/warn :hint "unexpected error on processing image" :cause cause)
{::yres/status 400 ::yres/body data}))
:else
{::yres/status 400 ::yres/body data})))
(defmethod handle-error :assertion
[error request parent-cause]
(binding [l/*context* (request->context request)]
(let [{:keys [code] :as data} (ex-data error)
cause (or parent-cause error)]
(cond
(= code :data-validation)
(let [explain (ex/explain data)]
(l/error :hint "data assertion error" :cause cause)
{::yres/status 500
::yres/body (-> data
(dissoc ::sm/explain)
(cond-> explain (assoc :explain explain))
(assoc :type :server-error)
(assoc :code :assertion))})
(= code :spec-validation)
(let [explain (ex/explain data)]
(l/error :hint "spec assertion error" :cause cause)
{::yres/status 500
::yres/body (-> data
(dissoc ::s/problems ::s/value ::s/spec)
(cond-> explain (assoc :explain explain))
(assoc :type :server-error)
(assoc :code :assertion))})
:else
(do
(l/error :hint "assertion error" :cause cause)
{::yres/status 500
::yres/body (-> data
(assoc :type :server-error)
(assoc :code :assertion))})))))
(defmethod handle-error :not-found
[err _ _]
{::yres/status 404
::yres/body (ex-data err)})
(defmethod handle-error :internal
[error request parent-cause]
(binding [l/*context* (request->context request)]
(let [cause (or parent-cause error)
data (ex-data error)]
(l/error :hint "internal error" :cause cause)
{::yres/status 500
::yres/body (-> data
(assoc :type :server-error)
(update :code #(or % :unhandled))
(assoc :hint (ex-message error)))})))
(defmethod handle-error :default
[error request parent-cause]
(let [edata (ex-data error)]
;; This is a special case for the idle-in-transaction error;
;; when it happens, the connection is automatically closed and
;; next-jdbc combines the two errors in a single ex-info. We
;; only need the :handling error, because the :rollback error
;; will be always "connection closed".
(if (and (ex/exception? (:rollback edata))
(ex/exception? (:handling edata)))
(handle-exception (:handling edata) request error)
(handle-exception error request parent-cause))))
(defmethod handle-exception org.postgresql.util.PSQLException
[error request parent-cause]
(let [state (.getSQLState ^java.sql.SQLException error)
cause (or parent-cause error)]
(binding [l/*context* (request->context request)]
(l/error :hint "PSQL error"
:cause cause)
(cond
(= state "57014")
{::yres/status 504
::yres/body {:type :server-error
:code :statement-timeout
:hint (ex-message error)}}
(= state "25P03")
{::yres/status 504
::yres/body {:type :server-error
:code :idle-in-transaction-timeout
:hint (ex-message error)}}
:else
{::yres/status 500
::yres/body {:type :server-error
:code :unexpected
:hint (ex-message error)
:state state}}))))
(defmethod handle-exception :default
[error request parent-cause]
(let [edata (ex-data error)
cause (or parent-cause error)]
(cond
;; This means that exception is not a controlled exception.
(nil? edata)
(binding [l/*context* (request->context request)]
(l/error :hint "unexpected error" :cause cause)
{::yres/status 500
::yres/body {:type :server-error
:code :unexpected
:hint (ex-message error)}})
:else
(binding [l/*context* (request->context request)]
(l/error :hint "unhandled error" :cause cause)
{::yres/status 500
::yres/body (-> edata
(assoc :type :server-error)
(update :code #(or % :unhandled))
(assoc :hint (ex-message error)))}))))
(defmethod handle-exception java.io.IOException
[cause _ _]
(l/wrn :hint "io exception" :cause cause)
{::yres/status 500
::yres/body {:type :server-error
:code :io-exception
:hint (ex-message cause)}})
(defmethod handle-exception java.util.concurrent.CompletionException
[cause request _]
(let [cause' (ex-cause cause)]
(if (ex/error? cause')
(handle-error cause' request cause)
(handle-exception cause' request cause))))
(defmethod handle-exception java.util.concurrent.ExecutionException
[cause request _]
(let [cause' (ex-cause cause)]
(if (ex/error? cause')
(handle-error cause' request cause)
(handle-exception cause' request cause))))
(defn handle
[cause request]
(if (ex/error? cause)
(handle-error cause request nil)
(handle-exception cause request nil)))
(defn handle'
[cause request]
(::yres/body (handle cause request)))