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🐛 Harden outbound HTTP requests against SSRF and restrict assets handlers (#9390)

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* ⬆️ Update root deps

* 🐛 Harden outbound HTTP requests against SSRF and restrict unauthenticated asset access

- Add app.util.ssrf URL/host validator that resolves hostnames and blocks
  loopback, link-local, site-local, cloud metadata, and operator-supplied CIDRs
- Add app.media.sanitize image EOF truncator that strips trailing data after
  PNG IEND, JPEG EOI, GIF trailer, and WebP RIFF markers
- Disable HTTP client auto-redirect; add req-with-redirects! helper that
  revalidates every redirect hop against the SSRF blocklist
- Wire SSRF validation and EOF sanitization into media/download-image
- Validate webhook URLs and OIDC profile picture URLs against SSRF
- Restrict /assets/by-id to require authentication for non-public buckets
  (profile) while keeping public access for file-media-object,
  file-object-thumbnail, team-font-variant, and file-data-fragment
- Add config knobs: ssrf-protection-enabled, ssrf-allowed-hosts,
  ssrf-extra-blocked-cidrs

Signed-off-by: Andrey Antukh <niwi@niwi.nz>

---------

Signed-off-by: Andrey Antukh <niwi@niwi.nz>
This commit is contained in:
Andrey Antukh 2026-05-08 09:18:22 +02:00 committed by GitHub
parent 3496435e69
commit 279231240d
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30 changed files with 1550 additions and 206 deletions
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1
CHANGES.md
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@ -18,6 +18,7 @@
- Fix swapped analytics event names on MCP tab-switch dialog (by @Dexterity104) [Github #9322](https://github.com/penpot/penpot/pull/9322)
- Fix MCP ReplServer binding to all interfaces (0.0.0.0) instead of localhost, allowing unauthenticated RCE
- Fix incorrect handling of version restore operation [Github #9041](https://github.com/penpot/penpot/pull/9041)
- Fix SSRF in media URL import and restrict unauthenticated asset access to public buckets only [Github #9390](https://github.com/penpot/penpot/pull/9390)
- Fix false “text editing” warning when applying tokens [Github #9355](https://github.com/penpot/penpot/pull/9355)
- Use base64 envelope for Uint8Array task results to avoid JSON expansion (by @opcode81) [Github #9431](https://github.com/penpot/penpot/pull/9431)
- Fix empty warning on login [Github #9056](https://github.com/penpot/penpot/pull/9056)

10
backend/src/app/auth/oidc.clj
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@ -43,7 +43,7 @@
(defn- discover-oidc-config
[cfg {:keys [base-uri] :as provider}]
(let [uri (u/join base-uri ".well-known/openid-configuration")
rsp (http/req! cfg {:method :get :uri (dm/str uri)})]
rsp (http/req cfg {:method :get :uri (dm/str uri)})]
(if (= 200 (:status rsp))
(let [data (-> rsp :body json/decode)
@ -105,7 +105,7 @@
(defn- fetch-oidc-jwks
[cfg jwks-uri]
(let [{:keys [status body]} (http/req! cfg {:method :get :uri jwks-uri})]
(let [{:keys [status body]} (http/req cfg {:method :get :uri jwks-uri})]
(if (= 200 status)
(-> body json/decode :keys process-oidc-jwks)
(ex/raise :type ::internal
@ -235,7 +235,7 @@
:timeout 6000
:method :get}
{:keys [status body]} (http/req! cfg params)]
{:keys [status body]} (http/req cfg params)]
(when-not (int-in-range? status 200 300)
(ex/raise :type :internal
@ -452,7 +452,7 @@
:grant-type (:grant_type params)
:redirect-uri (:redirect_uri params))
(let [{:keys [status body]} (http/req! cfg req)]
(let [{:keys [status body]} (http/req cfg req)]
(if (= status 200)
(let [data (json/decode body)
data {:token/access (get data :access_token)
@ -507,7 +507,7 @@
:headers {"Authorization" (str (:token/type tdata) " " (:token/access tdata))}
:timeout 6000
:method :get}
response (http/req! cfg params)]
response (http/req cfg params)]
(l/trc :hint "user info response"
:status (:status response)

12
backend/src/app/config.clj
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@ -85,7 +85,11 @@
:email-verify-threshold "15m"
:quotes-upload-sessions-per-profile 5
:quotes-upload-chunks-per-session 20})
:quotes-upload-chunks-per-session 20
;; SSRF protection
:ssrf-allowed-hosts #{}
:ssrf-extra-blocked-cidrs #{}})
(def schema:config
(do #_sm/optional-keys
@ -245,7 +249,11 @@
[:objects-storage-fs-directory {:optional true} :string]
[:objects-storage-s3-bucket {:optional true} :string]
[:objects-storage-s3-region {:optional true} :keyword]
[:objects-storage-s3-endpoint {:optional true} ::sm/uri]]))
[:objects-storage-s3-endpoint {:optional true} ::sm/uri]
;; SSRF protection
[:ssrf-allowed-hosts {:optional true} [::sm/set :string]]
[:ssrf-extra-blocked-cidrs {:optional true} [::sm/set :string]]]))
(defn- parse-flags
[config]

56
backend/src/app/http/assets.clj
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@ -12,43 +12,56 @@
[app.common.time :as ct]
[app.common.uri :as u]
[app.db :as db]
[app.http.session :as session]
[app.storage :as sto]
[integrant.core :as ig]
[yetti.response :as-alias yres]))
(def ^:private cache-max-age
(def ^:private default-cache-max-age
(ct/duration {:hours 24}))
(def ^:private signature-max-age
(def ^:private default-signature-max-age
(ct/duration {:hours 24 :minutes 15}))
;; Buckets that are legitimately public and do not require authentication.
;; These are used by public shared board viewing, profile photos in UI,
;; and embedded export/binfile flows.
(def ^:private public-buckets
#{"file-media-object"
"file-object-thumbnail"
"team-font-variant"
"file-data-fragment"})
(defn get-id
[{:keys [path-params]}]
(or (some-> path-params :id d/parse-uuid)
(ex/raise :type :not-found
:hunt "object not found")))
:hint "object not found")))
(defn- get-file-media-object
[pool id]
(db/get pool :file-media-object {:id id} {::db/remove-deleted false}))
(defn- serve-object-from-s3
[{:keys [::sto/storage] :as cfg} obj]
(let [{:keys [host port] :as url} (sto/get-object-url storage obj {:max-age signature-max-age})]
[{:keys [::sto/storage ::signature-max-age ::cache-max-age] :as cfg} obj]
(let [sig-max-age (or signature-max-age default-signature-max-age)
cch-max-age (or cache-max-age default-cache-max-age)
{:keys [host port] :as url} (sto/get-object-url storage obj {:max-age sig-max-age})]
{::yres/status 307
::yres/headers {"location" (str url)
"x-host" (cond-> host port (str ":" port))
"x-mtype" (-> obj meta :content-type)
"cache-control" (str "max-age=" (inst-ms cache-max-age))}}))
"cache-control" (str "max-age=" (inst-ms cch-max-age))}}))
(defn- serve-object-from-fs
[{:keys [::path]} obj]
(let [purl (u/join (u/uri path)
[{:keys [::path ::cache-max-age]} obj]
(let [cch-max-age (or cache-max-age default-cache-max-age)
purl (u/join (u/uri path)
(sto/object->relative-path obj))
mdata (meta obj)
headers {"x-accel-redirect" (:path purl)
"content-type" (:content-type mdata)
"cache-control" (str "max-age=" (inst-ms cache-max-age))}]
"cache-control" (str "max-age=" (inst-ms cch-max-age))}]
{::yres/status 204
::yres/headers headers}))
@ -60,14 +73,28 @@
(:s3 :assets-s3) (serve-object-from-s3 cfg obj)
(:fs :assets-fs) (serve-object-from-fs cfg obj)))
(defn- requires-auth?
"Check if the storage object requires authentication based on its bucket."
[obj]
(let [bucket (-> obj meta :bucket)]
(not (contains? public-buckets bucket))))
(defn objects-handler
"Handler that servers storage objects by id."
"Handler that serves storage objects by id.
For non-public buckets (e.g. profile), requires an authenticated session."
[{:keys [::sto/storage] :as cfg} request]
(let [id (get-id request)
obj (sto/get-object storage id)]
(if obj
(serve-object cfg obj)
{::yres/status 404})))
(cond
(nil? obj)
{::yres/status 404}
(and (requires-auth? obj)
(nil? (::session/profile-id request)))
{::yres/status 401}
:else
(serve-object cfg obj))))
(defn- generic-handler
"A generic handler helper/common code for file-media based handlers."
@ -96,11 +123,12 @@
(defmethod ig/assert-key ::routes
[_ params]
(assert (sto/valid-storage? (::sto/storage params)) "expected valid storage instance")
(assert (session/manager? (::session/manager params)) "expected valid session manager")
(assert (string? (::path params))))
(defmethod ig/init-key ::routes
[_ cfg]
["/assets"
["/assets" {:middleware [[session/authz cfg]]}
["/by-id/:id" {:handler (partial objects-handler cfg)}]
["/by-file-media-id/:id" {:handler (partial file-objects-handler cfg)}]
["/by-file-media-id/:id/thumbnail" {:handler (partial file-thumbnails-handler cfg)}]])

2
backend/src/app/http/awsns.clj
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@ -53,7 +53,7 @@
(let [surl (get body "SubscribeURL")
stopic (get body "TopicArn")]
(l/info :action "subscription received" :topic stopic :url surl)
(http/req! cfg {:uri surl :method :post :timeout 10000} {:sync? true}))
(http/req cfg {:uri surl :method :post :timeout 10000} {:sync? true}))
(= mtype "Notification")
(when-let [message (parse-json (get body "Message"))]

107
backend/src/app/http/client.clj
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@ -5,13 +5,24 @@
;; Copyright (c) KALEIDOS INC
(ns app.http.client
"Http client abstraction layer."
"Http client abstraction layer.
All outbound requests made through `req` and `req-with-redirects`
are validated against the SSRF blocklist by default. Pass
`:skip-ssrf-check? true` in the options map only when the target
is a well-known, operator-configured endpoint that cannot be
influenced by user input (e.g. internal telemetry, error webhooks)."
(:require
[app.common.schema :as sm]
[app.util.ssrf :as ssrf]
[cuerdas.core :as str]
[integrant.core :as ig]
[java-http-clj.core :as http])
(:import
java.net.http.HttpClient))
java.net.http.HttpClient
java.net.URI))
(def default-max-redirects 5)
(defn client?
[o]
@ -23,8 +34,8 @@
(defmethod ig/init-key ::client
[_ _]
(http/build-client {:connect-timeout 30000 ;; 10s
:follow-redirects :always}))
(http/build-client {:connect-timeout 30000
:follow-redirects :never}))
(defn send!
([client req] (send! client req {}))
@ -44,14 +55,82 @@
:else
(throw (UnsupportedOperationException. "invalid arguments"))))
(defn req!
"A convencience toplevel function for gradual migration to a new API
convention."
(defn req
"Issue a single HTTP request. SSRF validation is applied to the
target URI by default; pass `:skip-ssrf-check? true` in `options`
to bypass it for known-safe, operator-configured endpoints."
([cfg-or-client request]
(let [client (resolve-client cfg-or-client)
request (update request :uri str)]
(send! client request {})))
([cfg-or-client request options]
(let [client (resolve-client cfg-or-client)
request (update request :uri str)]
(send! client request options))))
(req cfg-or-client request {}))
([cfg-or-client request {:keys [skip-ssrf-check?] :as options}]
(let [request (if skip-ssrf-check?
(update request :uri str)
(update request :uri ssrf/validate-uri))
client (resolve-client cfg-or-client)]
(send! client request (dissoc options :skip-ssrf-check?)))))
(defn- resolve-location
"Resolve a Location header value against the original request URI.
Handles:
- Absolute URLs (http:// or https://) — returned as-is.
- Protocol-relative URLs (//host/path) — inherit the scheme from base-uri.
- Path-absolute and relative URLs — resolved against base-uri via URI.resolve."
[^String base-uri ^String location]
(cond
(or (str/starts-with? location "http://")
(str/starts-with? location "https://"))
location
(str/starts-with? location "//")
(let [scheme (.getScheme (URI. base-uri))]
(str scheme ":" location))
:else
(str (.resolve (URI. base-uri) location))))
(defn- redirect-request
"Build the next request for a 3xx redirect.
Per RFC 7231 §6.4:
- 303 always issues GET (body dropped).
- 301/302 with non-GET/HEAD methods: downgrade to GET (body dropped).
- 307/308 preserve the original method and body.
The Location URI has already been resolved by the caller."
[orig-request ^String next-uri status]
(let [method (:method orig-request)]
(if (or (= status 303)
(and (contains? #{301 302} status)
(not (contains? #{:get :head} method))))
;; Downgrade to GET, drop body and content-type
(-> orig-request
(assoc :uri next-uri :method :get)
(dissoc :body)
(update :headers dissoc "content-type" "content-length"))
;; Preserve method/body (307, 308, or GET/HEAD 301/302)
(assoc orig-request :uri next-uri))))
(defn req-with-redirects
"Like `req`, but follows up to `max-redirects` HTTP 3xx redirects.
SSRF validation is applied before every hop (initial request and
each redirect target) unless `:skip-ssrf-check? true` is passed.
Redirect semantics follow RFC 7231 §6.4: 301/302 POST is downgraded
to GET; 303 always uses GET; 307/308 preserve the original method."
([cfg-or-client request]
(req-with-redirects cfg-or-client request {}))
([cfg-or-client request {:keys [max-redirects skip-ssrf-check?]
:or {max-redirects default-max-redirects}
:as opts}]
(let [send-opts (dissoc opts :max-redirects :skip-ssrf-check?)
uri-coerce (if skip-ssrf-check? str ssrf/validate-uri)]
(loop [current-req (update request :uri uri-coerce)
hops 0]
(let [client (resolve-client cfg-or-client)
resp (send! client current-req send-opts)
status (:status resp)]
(if (and (<= 300 status 399)
(< hops max-redirects))
(if-let [location (get-in resp [:headers "location"])]
(let [next-uri (resolve-location (str (:uri current-req)) location)]
(recur (update (redirect-request current-req next-uri status) :uri uri-coerce)
(inc hops)))
;; No Location header on a 3xx — return the response as-is
resp)
resp))))))

2
backend/src/app/loggers/audit/archive_task.clj
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@ -59,7 +59,7 @@
:method :post
:headers headers
:body body}
resp (http/req! cfg params)]
resp (http/req cfg params)]
(if (= (:status resp) 204)
true

12
backend/src/app/loggers/mattermost.clj
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@ -52,12 +52,12 @@
trace
"```")))
resp (http/req! cfg
{:uri (cf/get :error-report-webhook)
:method :post
:headers {"content-type" "application/json"}
:body (json/encode-str {:text text})}
{:sync? true})]
resp (http/req cfg
{:uri (cf/get :error-report-webhook)
:method :post
:headers {"content-type" "application/json"}
:body (json/encode-str {:text text})}
{:sync? true})]
(when (not= 200 (:status resp))
(l/warn :hint "error on sending data"

11
backend/src/app/loggers/webhooks.clj
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@ -159,7 +159,7 @@
:method :post
:body body}]
(try
(let [rsp (http/req! cfg req {:response-type :input-stream :sync? true})
(let [rsp (http/req cfg req {:response-type :input-stream :sync? true})
err (interpret-response rsp)]
(report-delivery! whook req rsp err)
(update-webhook! whook err))
@ -190,4 +190,11 @@
"invalid-uri"
(instance? java.net.http.HttpConnectTimeoutException cause)
"timeout"))
"timeout"
:else
(let [data (ex-data cause)]
(if (and (= :validation (:type data))
(= :ssrf-blocked-target (:code data)))
(str "blocked-request:" (:hint data))
nil))))

9
backend/src/app/main.clj
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@ -304,10 +304,11 @@
::session/manager (ig/ref ::session/manager)}
:app.http.assets/routes
{::http.assets/path (cf/get :assets-path)
::http.assets/cache-max-age (ct/duration {:hours 24})
::http.assets/cache-max-agesignature-max-age (ct/duration {:hours 24 :minutes 5})
::sto/storage (ig/ref ::sto/storage)}
{::http.assets/path (cf/get :assets-path)
::http.assets/cache-max-age (ct/duration {:hours 24})
::http.assets/signature-max-age (ct/duration {:hours 24 :minutes 15})
::sto/storage (ig/ref ::sto/storage)
::session/manager (ig/ref ::session/manager)}
::rpc/climit
{::mtx/metrics (ig/ref ::mtx/metrics)

17
backend/src/app/media.clj
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@ -18,6 +18,7 @@
[app.config :as cf]
[app.db :as-alias db]
[app.http.client :as http]
[app.media.sanitize :as sanitize]
[app.storage :as-alias sto]
[app.storage.tmp :as tmp]
[buddy.core.bytes :as bb]
@ -325,9 +326,11 @@
(let [{:keys [body] :as response}
(try
(http/req! client
{:method :get :uri uri}
{:response-type :input-stream})
(http/req-with-redirects
client
{:method :get :uri uri}
{:response-type :input-stream
:max-redirects 3})
(catch java.net.ConnectException cause
(ex/raise :type :validation
:code :unable-to-download-image
@ -358,9 +361,11 @@
:code :mismatch-write-size
:hint "unexpected state: unable to write to file"))
{;; :size size
:path path
:mtype mtype})))
;; Sanitize: strip trailing data after image EOF markers
(let [new-size (sanitize/truncate-after-eof path mtype)]
{:path path
:mtype mtype
:size new-size}))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; FONTS

191
backend/src/app/media/sanitize.clj Normal file
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@ -0,0 +1,191 @@
;; 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.media.sanitize
"Image EOF truncation helpers — strips trailing data after image EOF
markers to prevent exfiltration of non-image bytes appended to
valid image files."
(:require
[app.common.buffer :as buf]
[app.common.exceptions :as ex]
[app.common.logging :as l]
[app.util.nio :as nio])
(:import
java.nio.ByteOrder
java.nio.channels.FileChannel))
(set! *warn-on-reflection* true)
(defn- scan-backwards
"Scan byte array `arr` backwards (from the end) for the byte pattern
`marker`. Returns the index in `arr` where the marker starts, or -1
if not found."
[^bytes arr ^bytes marker]
(let [arr-len (alength arr)
marker-len (alength marker)]
(loop [i (- arr-len marker-len)]
(if (< i 0)
-1
(if (loop [j 0]
(if (>= j marker-len)
true
(if (= (aget arr (+ i j)) (aget marker j))
(recur (inc j))
false)))
i
(recur (dec i)))))))
(defn- find-last-png-iend
"Find the byte offset of the end of the PNG IEND chunk (12 bytes:
4-byte length + 4-byte 'IEND' + 4-byte CRC32). Returns the offset
AFTER the CRC32, or nil if not found."
[^FileChannel channel]
(let [size (nio/channel-size channel)]
(when (> size 8)
(let [buf-size (min (int size) (* 1024 1024))
marker (byte-array [0x49 0x45 0x4E 0x44])] ;; "IEND"
(loop [pos (max 0 (- size buf-size))]
(when (< pos size)
(let [arr (nio/read-at channel pos buf-size)
idx (scan-backwards arr marker)]
(if (neg? idx)
;; Not found in this chunk, try earlier
(let [next-pos (max 0 (- pos (- buf-size 4)))]
(when (< next-pos pos)
(recur next-pos)))
;; Found "IEND" at idx. Chunk starts 4 bytes before.
(let [chunk-start (- (+ pos idx) 4)]
(when (>= chunk-start 0)
;; PNG chunk length is big-endian (network byte order).
;; buf/wrap defaults to little-endian, so set it to big-endian.
(let [len-arr (nio/read-at channel chunk-start 4)
len-buf (buf/set-order (buf/wrap len-arr) ByteOrder/BIG_ENDIAN)
chunk-len (buf/read-int len-buf 0)]
(when (zero? chunk-len)
(+ chunk-start 12)))))))))))))
(defn- find-last-jpeg-eoi
"Find the byte offset of the last JPEG EOI marker (0xFF 0xD9).
Returns the offset AFTER the marker, or nil if not found."
[^FileChannel channel]
(let [size (nio/channel-size channel)]
(when (> size 2)
(let [buf-size (min (int size) (* 1024 1024))
marker (byte-array [(unchecked-byte 0xFF) (unchecked-byte 0xD9)])]
(loop [pos (max 0 (- size buf-size))]
(when (< pos size)
(let [arr (nio/read-at channel pos buf-size)
idx (scan-backwards arr marker)]
(if (neg? idx)
(let [next-pos (max 0 (- pos (- buf-size 2)))]
(when (< next-pos pos)
(recur next-pos)))
(+ pos idx 2)))))))))
(defn- find-last-gif-trailer
"Find the byte offset immediately after the last GIF trailer byte (0x3B).
Scans backwards through the file so that appended data after the real
trailer is truncated even when it ends with 0x3B.
Returns the offset AFTER the trailer byte, or nil if 0x3B is not found."
[^FileChannel channel]
(let [size (nio/channel-size channel)]
(when (pos? size)
(let [buf-size (min (int size) (* 1024 1024))
marker (byte-array [(unchecked-byte 0x3B)])]
(loop [pos (max 0 (- size buf-size))]
(when (< pos size)
(let [arr (nio/read-at channel pos buf-size)
idx (scan-backwards arr marker)]
(if (neg? idx)
(let [next-pos (max 0 (- pos (- buf-size 1)))]
(when (< next-pos pos)
(recur next-pos)))
(+ pos idx 1)))))))))
(defn- find-webp-end
"Parse the WebP RIFF header to find the declared file size.
WebP format: 'RIFF' (4 bytes) + uint32 total-size (4 bytes, little-endian)
+ 'WEBP' (4 bytes). The total size is the offset of the end of the file.
Returns nil if the RIFF or WEBP magic bytes are missing."
[^FileChannel channel]
(let [size (nio/channel-size channel)]
(when (>= size 12)
(let [^bytes arr (nio/read-at channel 0 12)
buf (buf/wrap arr)]
;; Check RIFF magic (bytes 0-3) AND WEBP FourCC (bytes 8-11)
(when (and (= (aget arr 0) (byte 0x52)) ;; 'R'
(= (aget arr 1) (byte 0x49)) ;; 'I'
(= (aget arr 2) (byte 0x46)) ;; 'F'
(= (aget arr 3) (byte 0x46)) ;; 'F'
(= (aget arr 8) (byte 0x57)) ;; 'W'
(= (aget arr 9) (byte 0x45)) ;; 'E'
(= (aget arr 10) (byte 0x42)) ;; 'B'
(= (aget arr 11) (byte 0x50))) ;; 'P'
(let [riff-size (bit-and (buf/read-int buf 4) 0xFFFFFFFF)]
;; RIFF size field is the size of the file minus 8 bytes
(+ riff-size 8)))))))
(defn truncate-after-eof
"Given a `java.nio.file.Path` to a freshly-downloaded media file and a
declared MIME type, truncate the file in place to the position of the
format's EOF marker:
- image/png → end of the IEND chunk (12 bytes: 4-byte length + 4-byte type + 4-byte CRC32)
- image/jpeg → 2 bytes after FFD9
- image/gif → immediately after the last GIF trailer byte 0x3B
- image/webp → end of RIFF chunk declared in bytes 4..8
- image/svg+xml → no-op (text format; processed by SAX parser)
- other → no-op (return path unchanged)
Returns the new file size. Raises `:validation/:invalid-image` if no
EOF marker is found within the file."
[^java.nio.file.Path path ^String mtype]
(try
(with-open [channel (nio/open-channel path)]
(let [size (nio/channel-size channel)]
(if (zero? size)
0
(let [needs-eof-marker? (or (= mtype "image/png")
(= mtype "image/jpeg")
(= mtype "image/gif")
(= mtype "image/webp"))
eof-offset
(cond
(= mtype "image/png") (find-last-png-iend channel)
(= mtype "image/jpeg") (find-last-jpeg-eoi channel)
(= mtype "image/gif") (find-last-gif-trailer channel)
(= mtype "image/webp") (find-webp-end channel)
:else nil)]
(cond
;; No EOF marker applicable (SVG or other) — no-op
(nil? eof-offset)
(if needs-eof-marker?
(ex/raise :type :validation
:code :invalid-image
:hint "image format EOF marker not found")
size)
;; Truncate if needed
(< eof-offset size)
(do
(l/dbg :hint "truncating trailing data"
:path (str path)
:mtype mtype
:original-size size
:truncated-to eof-offset)
(nio/truncate channel eof-offset)
eof-offset)
;; Already at correct size or marker at end
:else
eof-offset)))))
(catch Exception e
(if (ex/exception? e)
(throw e)
(ex/raise :type :validation
:code :invalid-image
:hint "failed to sanitize image"
:cause e)))))

14
backend/src/app/nitrate.clj
View File

@ -18,13 +18,13 @@
(defn- request-builder
[cfg method uri shared-key profile-id]
(fn []
(http/req! cfg {:method method
:headers {"content-type" "application/json"
"accept" "application/json"
"x-shared-key" shared-key
"x-profile-id" (str profile-id)}
:uri uri
:version :http1.1})))
(http/req cfg {:method method
:headers {"content-type" "application/json"
"accept" "application/json"
"x-shared-key" shared-key
"x-profile-id" (str profile-id)}
:uri uri
:version :http1.1})))
(defn- with-retries

29
backend/src/app/rpc/commands/webhooks.clj
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@ -50,24 +50,27 @@
(defn- validate-webhook!
[cfg whook params]
(when (not= (:uri whook) (:uri params))
(let [response (ex/try!
(http/req! cfg
(try
(let [response (http/req cfg
{:method :head
:uri (str (:uri params))
:timeout (ct/duration "3s")}
{:sync? true}))]
(if (ex/exception? response)
(if-let [hint (webhooks/interpret-exception response)]
(ex/raise :type :validation
:code :webhook-validation
:hint hint)
(ex/raise :type :internal
:code :webhook-validation
:cause response))
:timeout (ct/duration "3s")})]
(when-let [hint (webhooks/interpret-response response)]
(ex/raise :type :validation
:code :webhook-validation
:hint hint))))))
:hint hint)))
(catch Throwable cause
(if-let [hint (webhooks/interpret-exception cause)]
(ex/raise :type :validation
:code :webhook-validation
:hint hint
:webhook-uri (str (:uri params))
:cause cause)
(ex/raise :type :internal
:code :webhook-validation
:webhook-uri (str (:uri params))
:cause cause))))))
(defn- validate-quotes!
[{:keys [::db/pool]} {:keys [team-id]}]

6
backend/src/app/setup/templates.clj
View File

@ -57,9 +57,9 @@
(if (fs/exists? path)
(io/input-stream path)
(let [resp (http/req! cfg
{:method :get :uri (:file-uri template)}
{:response-type :input-stream :sync? true})]
(let [resp (http/req cfg
{:method :get :uri (:file-uri template)}
{:response-type :input-stream :sync? true})]
(when-not (= 200 (:status resp))
(ex/raise :type :internal
:code :unexpected-status-code

2
backend/src/app/tasks/telemetry.clj
View File

@ -30,7 +30,7 @@
:uri (cf/get :telemetry-uri)
:headers {"content-type" "application/json"}
:body (json/encode-str data)}
response (http/req! cfg request)]
response (http/req cfg request)]
(when (> (:status response) 206)
(ex/raise :type :internal
:code :invalid-response

91
backend/src/app/util/nio.clj Normal file
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@ -0,0 +1,91 @@
;; 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.util.nio
"NIO helpers for working with files and byte arrays.
These are thin wrappers around java.nio that provide a
Clojure-idiomatic API. Candidates for porting to datoteka."
(:import
java.nio.ByteBuffer
java.nio.channels.FileChannel
java.nio.file.Files
java.nio.file.OpenOption
java.nio.file.Path
java.nio.file.StandardOpenOption))
(set! *warn-on-reflection* true)
;; ----------------------------------------------------------------
;; File operations (via java.nio.file.Files)
;; ----------------------------------------------------------------
(defn read-bytes
"Read all bytes from a file at `path`. Returns a byte array."
^bytes [^Path path]
(Files/readAllBytes path))
(defn write-bytes
"Write `data` (byte array) to a file at `path`, replacing existing
content. Returns `path`."
[^Path path ^bytes data]
(Files/write path data ^"[Ljava.nio.file.OpenOption;" (into-array OpenOption []))
path)
(defn append-bytes
"Append `data` (byte array) to the end of the file at `path`.
Creates the file if it does not exist. Returns `path`."
[^Path path ^bytes data]
(Files/write path data
^"[Ljava.nio.file.OpenOption;"
(into-array OpenOption
[StandardOpenOption/CREATE
StandardOpenOption/APPEND]))
path)
;; ----------------------------------------------------------------
;; FileChannel operations (internal API)
;; ----------------------------------------------------------------
(def ^:private read-write-opts
(into-array OpenOption
[StandardOpenOption/READ StandardOpenOption/WRITE]))
(defn open-channel
"Open a FileChannel for read/write on the given path."
^FileChannel [^Path path]
(FileChannel/open path read-write-opts))
(defn channel-size
"Return the size of the file backed by the channel."
^long [^FileChannel channel]
(.size channel))
(defn read-at
"Read `length` bytes from `channel` starting at `position` into a
new byte array. Returns the byte array.
Loops until the ByteBuffer is fully populated to guard against OS
partial reads, which would otherwise cause BufferUnderflowException
when copying from the buffer into the result array."
^bytes [^FileChannel channel ^long position ^long length]
(let [buf (ByteBuffer/allocate (int length))]
(.position channel position)
(loop []
(when (.hasRemaining buf)
(let [n (.read channel buf)]
(when (pos? n)
(recur)))))
(.flip buf)
(let [remaining (.remaining buf)
arr (byte-array remaining)]
(.get buf arr)
arr)))
(defn truncate
"Truncate the file to the given size. Returns the channel."
[^FileChannel channel ^long size]
(.truncate channel size)
channel)

229
backend/src/app/util/ssrf.clj Normal file
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@ -0,0 +1,229 @@
;; 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.util.ssrf
"URL/host validation to prevent Server-Side Request Forgery."
(:require
[app.common.exceptions :as ex]
[app.common.logging :as l]
[app.config :as cf]
[cuerdas.core :as str])
(:import
com.google.common.net.InetAddresses
java.net.InetAddress
java.net.UnknownHostException
java.net.URI))
(def ^:private allowed-schemes
#{"http" "https"})
(def ^:private cloud-metadata-ips
"Exact IP addresses for cloud metadata services."
#{"169.254.169.254"
"fd00:ec2::254"})
(def ^:private extra-blocked-ranges
"CIDR ranges not covered by standard JDK InetAddress predicates.
Each entry is [base-address prefix-length]."
;; Carrier-grade NAT
[[100 64 0 0 10]
;; RFC 6890 / documentation / reserved
[192 0 0 0 24]
[192 0 2 0 24]
[198 18 0 0 15]
[198 51 100 0 24]
[203 0 113 0 24]
;; Reserved / future-use (broadcast and above)
[240 0 0 0 4]])
(defn- ip4-to-long
"Convert a 4-element byte array (IPv4) to a 32-bit long."
^long [^bytes bs]
(bit-or (bit-shift-left (bit-and (aget bs 0) 0xFF) 24)
(bit-shift-left (bit-and (aget bs 1) 0xFF) 16)
(bit-shift-left (bit-and (aget bs 2) 0xFF) 8)
(bit-and (aget bs 3) 0xFF)))
(defn- prefix-mask
"Return a 32-bit mask for the given prefix length."
^long [^long prefix-len]
(if (zero? prefix-len)
0
(bit-shift-left (unsigned-bit-shift-right 0xFFFFFFFF (- 32 prefix-len)) (- 32 prefix-len))))
(defn- in-cidr4?
"Check if an IPv4 address (as byte array) falls within a CIDR range
specified as [a b c d prefix-len]."
[^bytes addr [^long a ^long b ^long c ^long d ^long prefix-len]]
(let [base (bit-or (bit-shift-left (bit-and a 0xFF) 24)
(bit-shift-left (bit-and b 0xFF) 16)
(bit-shift-left (bit-and c 0xFF) 8)
(bit-and d 0xFF))
mask (prefix-mask prefix-len)
ip-val (ip4-to-long addr)]
(= (bit-and ip-val mask) (bit-and base mask))))
(defn- parse-cidr*
"Parse a CIDR string like '10.0.0.0/8' into [a b c d prefix-len]. Throws on invalid input."
[^String cidr]
(let [parts (str/split cidr #"/" 2)
prefix-len (when (= 2 (count parts))
(parse-long (nth parts 1)))]
(when-not prefix-len
(ex/raise :type :internal
:code :invalid-cidr
:hint (str "invalid CIDR notation: " cidr)))
(let [octets (str/split (first parts) #"\.")]
(when (not= 4 (count octets))
(ex/raise :type :internal
:code :invalid-cidr
:hint (str "invalid CIDR notation (expected IPv4): " cidr)))
(let [[a b c d] (map parse-long octets)]
(when (or (nil? a) (nil? b) (nil? c) (nil? d)
(not (<= 0 a 255)) (not (<= 0 b 255))
(not (<= 0 c 255)) (not (<= 0 d 255))
(not (<= 0 prefix-len 32)))
(ex/raise :type :internal
:code :invalid-cidr
:hint (str "invalid CIDR notation: " cidr)))
[a b c d prefix-len]))))
(defn parse-cidr
"Parse a CIDR string like '10.0.0.0/8' into [a b c d prefix-len].
Returns nil and logs a warning on invalid input."
[^String cidr]
(try
(parse-cidr* cidr)
(catch Exception _
(l/warn :hint "ignoring invalid CIDR" :cidr cidr)
nil)))
(defonce ^:dynamic extra-blocked-cidrs
(into #{} (keep parse-cidr) (cf/get :ssrf-extra-blocked-cidrs #{})))
(defn- ipv6-ula?
"Check if an IPv6 address is in the Unique Local Address range (fc00::/7)."
[^InetAddress addr]
(let [bs (.getAddress addr)]
(and (>= (alength bs) 16)
(= (bit-and (aget bs 0) 0xFE) 0xFC))))
(defn- ipv4-mapped-loopback?
"Check if an IPv4-mapped IPv6 address maps to loopback (::ffff:127.x.x.x)."
[^InetAddress addr]
(let [bs (.getAddress addr)]
(and (= (alength bs) 16)
;; Check it's an IPv4-mapped address: ::ffff:x.x.x.x
(= (aget bs 10) (byte -1)) ;; 0xFF
(= (aget bs 11) (byte -1)) ;; 0xFF
;; Check the embedded IPv4 is loopback (127.x.x.x)
(= (bit-and (aget bs 12) 0xFF) 127))))
(defn- blocked-address?
"Check if an InetAddress should be blocked. Returns true if blocked."
[^InetAddress addr]
(or
(.isAnyLocalAddress addr) ;; 0.0.0.0 or ::
(.isLoopbackAddress addr) ;; 127/8 or ::1
(.isLinkLocalAddress addr) ;; 169.254/16 or fe80::/10
(.isSiteLocalAddress addr) ;; 10/8, 172.16/12, 192.168/16
(.isMulticastAddress addr)
;; IPv6 ULA (fc00::/7)
(ipv6-ula? addr)
;; IPv4-mapped loopback
(ipv4-mapped-loopback? addr)
;; Cloud metadata IPs (exact match)
(contains? cloud-metadata-ips (.getHostAddress addr))
;; Extra blocked CIDRs (IPv4 only)
(let [bs (.getAddress addr)]
(if (= (alength bs) 4)
(or (some #(in-cidr4? bs %) extra-blocked-ranges)
(some #(in-cidr4? bs %) extra-blocked-cidrs))
false))))
(defn resolve-host
"Resolve a hostname to all InetAddress objects. Wraps InetAddress/getAllByName
so it can be stubbed in tests."
[^String hostname]
(try
(InetAddress/getAllByName hostname)
(catch UnknownHostException _
nil)))
(defn validate-uri
"Validates `uri-or-string`:
- scheme must be http or https,
- host must resolve to at least one address, and
- **every** resolved address must NOT be in the blocklist
(loopback, link-local, site-local, multicast, any-local,
cloud-metadata 169.254.169.254, IPv6 ULA fc00::/7, IPv4-mapped
IPv6 of any blocked IPv4, plus operator-supplied CIDRs).
When the host is an IP literal (decimal/octal/hex/IPv6) it is
normalized via `com.google.common.net.InetAddresses` before the
check.
Hosts in `:ssrf-allowed-hosts` (case-insensitive exact match) bypass
the IP check.
Throws `ex/raise :type :validation :code :ssrf-blocked-target` with
a hint that does NOT echo the resolved IP (avoid info leak)."
[uri-or-string]
(let [uri (if (instance? URI uri-or-string)
uri-or-string
(URI. (str uri-or-string)))
scheme (.getScheme uri)
host (.getHost uri)]
;; Validate scheme
(when (or (nil? scheme)
(not (contains? allowed-schemes (str/lower scheme))))
(ex/raise :type :validation
:code :ssrf-blocked-target
:hint "url scheme is not allowed"))
;; Validate host presence
(when (or (nil? host) (str/blank? host))
(ex/raise :type :validation
:code :ssrf-blocked-target
:hint "url host is missing"))
;; Check allowlist
(let [allowed-hosts (cf/get :ssrf-allowed-hosts #{})
host-lower (str/lower host)]
(when-not (contains? allowed-hosts host-lower)
;; Normalize the host: if it looks like an IP literal, normalize it
;; via Guava to catch decimal/octal/hex encodings
(let [normalized (if (InetAddresses/isInetAddress host)
(InetAddresses/forString host)
nil)
host-to-resolve (if normalized
(.getHostAddress ^InetAddress normalized)
host)
addresses (resolve-host host-to-resolve)]
(when (or (nil? addresses) (zero? (alength addresses)))
(ex/raise :type :validation
:code :ssrf-blocked-target
:hint "url host could not be resolved"))
;; All-or-nothing: if ANY resolved address is blocked, reject
(when (some blocked-address? (seq addresses))
(ex/raise :type :validation
:code :ssrf-blocked-target
:hint "url target is not allowed")))))
(str uri)))
(defn safe-url?
"Predicate version of `validate-uri`. Returns `true` if safe."
[uri-or-string]
(try
(validate-uri uri-or-string)
true
(catch Exception _
false)))

4
backend/test/backend_tests/loggers_webhooks_test.clj
View File

@ -41,7 +41,7 @@
(t/is (nil? res)))))
(t/deftest run-webhook-handler-1
(with-mocks [http-mock {:target 'app.http.client/req! :return {:status 200}}]
(with-mocks [http-mock {:target 'app.http.client/req :return {:status 200}}]
(let [prof (th/create-profile* 1 {:is-active true})
whk (th/create-webhook* {:team-id (:default-team-id prof)})
evt {:type "command"
@ -63,7 +63,7 @@
(t/is (nil? (:error-code whk')))))))
(t/deftest run-webhook-handler-2
(with-mocks [http-mock {:target 'app.http.client/req! :return {:status 400}}]
(with-mocks [http-mock {:target 'app.http.client/req :return {:status 400}}]
(let [prof (th/create-profile* 1 {:is-active true})
whk (th/create-webhook* {:team-id (:default-team-id prof)})
evt {:type "command"

501
backend/test/backend_tests/media_sanitize_test.clj Normal file
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@ -0,0 +1,501 @@
;; 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 backend-tests.media-sanitize-test
(:require
[app.media.sanitize :as sanitize]
[app.storage.tmp :as tmp]
[app.util.nio :as nio]
[clojure.test :as t]
[datoteka.fs :as fs]
[datoteka.io :as io]))
(defn- resource-path
"Return a URL to a test resource file."
[name]
(io/resource (str "backend_tests/test_files/" name)))
(defn- copy-resource-to-tempfile
"Copy a test resource file to a tempfile and return the Path."
[resource-name suffix]
(tmp/tempfile-from (resource-path resource-name) :prefix "test-real-" :suffix suffix))
;; ----------------------------------------------------------------
;; Crafted test data
;; ----------------------------------------------------------------
;; PNG test data
(def ^:private png-signature
(byte-array [0x89 0x50 0x4E 0x47 0x0D 0x0A 0x1A 0x0A]))
(def ^:private png-iend-chunk
(byte-array [0x00 0x00 0x00 0x00 0x49 0x45 0x4E 0x44 0xAE 0x42 0x60 0x82]))
(def ^:private png-ihdr-chunk
(byte-array [0x00 0x00 0x00 0x0D 0x49 0x48 0x44 0x52
0x00 0x00 0x00 0x01 0x00 0x00 0x00 0x01
0x08 0x02 0x00 0x00 0x00 0x90 0x77 0x53 0xDE]))
(defn- make-png [^bytes extra-bytes]
(let [parts (if extra-bytes
[png-signature png-ihdr-chunk png-iend-chunk extra-bytes]
[png-signature png-ihdr-chunk png-iend-chunk])
total (reduce + 0 (map alength parts))
result (byte-array total)
offset (volatile! 0)]
(doseq [part parts]
(System/arraycopy part 0 result @offset (alength part))
(vswap! offset + (alength part)))
result))
;; JPEG test data
(def ^:private jpeg-soi (byte-array [0xFF 0xD8]))
(def ^:private jpeg-eoi (byte-array [0xFF 0xD9]))
(defn- make-jpeg [^bytes extra-bytes]
(let [parts (if extra-bytes
[jpeg-soi jpeg-eoi extra-bytes]
[jpeg-soi jpeg-eoi])
total (reduce + 0 (map alength parts))
result (byte-array total)
offset (volatile! 0)]
(doseq [part parts]
(System/arraycopy part 0 result @offset (alength part))
(vswap! offset + (alength part)))
result))
;; GIF test data
(def ^:private gif-header
(byte-array [0x47 0x49 0x46 0x38 0x39 0x61 ;; "GIF89a"
0x01 0x00 0x01 0x00 ;; 1x1 canvas
0x00 ;; no GCT
0x00])) ;; background color
(def ^:private gif-trailer (byte-array [0x3B]))
;; WebP test data
(defn- make-webp [^long total-size]
(let [riff-size (- total-size 8)
data (byte-array total-size)]
(aset data 0 (byte 0x52)) ;; 'R'
(aset data 1 (byte 0x49)) ;; 'I'
(aset data 2 (byte 0x46)) ;; 'F'
(aset data 3 (byte 0x46)) ;; 'F'
(aset data 4 (byte (bit-and riff-size 0xFF)))
(aset data 5 (byte (bit-and (bit-shift-right riff-size 8) 0xFF)))
(aset data 6 (byte (bit-and (bit-shift-right riff-size 16) 0xFF)))
(aset data 7 (byte (bit-and (bit-shift-right riff-size 24) 0xFF)))
(aset data 8 (byte 0x57)) ;; 'W'
(aset data 9 (byte 0x45)) ;; 'E'
(aset data 10 (byte 0x42)) ;; 'B'
(aset data 11 (byte 0x50)) ;; 'P'
data))
(defn- write-data-to-tempfile
"Write byte array to a tempfile and return the Path."
[^bytes data suffix]
(let [path (tmp/tempfile :prefix "test-sanitize." :suffix suffix)]
(nio/write-bytes path data)
path))
;; ----------------------------------------------------------------
;; Tests with crafted data
;; ----------------------------------------------------------------
(t/deftest png-with-appended-secret-truncated
(let [secret (.getBytes "SECRET_DATA_HERE")
data (make-png secret)
path (write-data-to-tempfile data ".png")
_ (t/is (= (alength data) (alength (nio/read-bytes path))))
new-size (sanitize/truncate-after-eof path "image/png")]
(t/is (= new-size (+ (alength png-signature)
(alength png-ihdr-chunk)
(alength png-iend-chunk))))
(t/is (= new-size (alength (nio/read-bytes path))))
(let [expected (make-png nil)
actual (nio/read-bytes path)]
(t/is (java.util.Arrays/equals expected actual)))))
(t/deftest png-clean-not-truncated
(let [data (make-png nil)
path (write-data-to-tempfile data ".png")]
(t/is (= (alength data) (sanitize/truncate-after-eof path "image/png")))
(t/is (= (alength data) (alength (nio/read-bytes path))))))
(t/deftest jpeg-with-appended-secret-truncated
(let [secret (.getBytes "\u0000\u0000SECRET")
data (make-jpeg secret)
path (write-data-to-tempfile data ".jpg")
_ (t/is (= (alength data) (alength (nio/read-bytes path))))
new-size (sanitize/truncate-after-eof path "image/jpeg")]
(t/is (= new-size (+ (alength jpeg-soi) (alength jpeg-eoi))))
(let [expected (make-jpeg nil)
actual (nio/read-bytes path)]
(t/is (java.util.Arrays/equals expected actual)))))
(t/deftest jpeg-clean-not-truncated
(let [data (make-jpeg nil)
path (write-data-to-tempfile data ".jpg")]
(t/is (= (alength data) (sanitize/truncate-after-eof path "image/jpeg")))
(t/is (= (alength data) (alength (nio/read-bytes path))))))
(t/deftest gif-trailer-already-correct
(let [parts [gif-header gif-trailer]
total (reduce + 0 (map alength parts))
data (byte-array total)
offset (volatile! 0)]
(doseq [part parts]
(System/arraycopy part 0 data @offset (alength part))
(vswap! offset + (alength part)))
(let [path (write-data-to-tempfile data ".gif")]
(t/is (= total (sanitize/truncate-after-eof path "image/gif")))
(t/is (= total (alength (nio/read-bytes path)))))))
(t/deftest webp-declared-size-honored
(let [total-size 24
data (make-webp total-size)
extra (byte-array 10 (byte 0x42))
full-data (byte-array (+ total-size 10))]
(System/arraycopy data 0 full-data 0 total-size)
(System/arraycopy extra 0 full-data total-size 10)
(let [path (write-data-to-tempfile full-data ".webp")]
(t/is (= total-size (sanitize/truncate-after-eof path "image/webp")))
(t/is (= total-size (alength (nio/read-bytes path)))))))
(t/deftest webp-clean-not-truncated
(let [data (make-webp 24)
path (write-data-to-tempfile data ".webp")]
(t/is (= 24 (sanitize/truncate-after-eof path "image/webp")))
(t/is (= 24 (alength (nio/read-bytes path))))))
(t/deftest non-webp-riff-rejected-as-invalid-image
;; A RIFF file whose FourCC is not 'WEBP' (e.g. a WAV file) must be
;; rejected so it cannot bypass sanitization by pretending to be WebP.
(let [data (byte-array 24)]
;; Write RIFF magic
(aset data 0 (byte 0x52)) ;; 'R'
(aset data 1 (byte 0x49)) ;; 'I'
(aset data 2 (byte 0x46)) ;; 'F'
(aset data 3 (byte 0x46)) ;; 'F'
;; RIFF size = 16 (total 24 - 8)
(aset data 4 (byte 16))
;; FourCC = 'WAVE' (not 'WEBP')
(aset data 8 (byte 0x57)) ;; 'W'
(aset data 9 (byte 0x41)) ;; 'A'
(aset data 10 (byte 0x56)) ;; 'V'
(aset data 11 (byte 0x45)) ;; 'E'
(let [path (write-data-to-tempfile data ".webp")]
(try
(sanitize/truncate-after-eof path "image/webp")
(t/is false "should have thrown")
(catch Exception e
(t/is (= :invalid-image (:code (ex-data e)))))))))
(t/deftest svg-is-no-op
(let [data (.getBytes "<svg><rect/></svg>")
path (write-data-to-tempfile data ".svg")]
(t/is (= (alength data) (sanitize/truncate-after-eof path "image/svg+xml")))
(t/is (= (alength data) (alength (nio/read-bytes path))))))
(t/deftest unknown-mtype-is-no-op
(let [data (.getBytes "some binary data")
path (write-data-to-tempfile data ".bin")]
(t/is (= (alength data) (sanitize/truncate-after-eof path "application/octet-stream")))
(t/is (= (alength data) (alength (nio/read-bytes path))))))
(t/deftest png-missing-iend-raises-error
(let [data (byte-array [0x89 0x50 0x4E 0x47 0x0D 0x0A 0x1A 0x0A
0x00 0x00 0x00 0x0D 0x49 0x48 0x44 0x52
0x00 0x00 0x00 0x01 0x00 0x00 0x00 0x01
0x08 0x02 0x00 0x00 0x00 0x90 0x77 0x53 0xDE])
path (write-data-to-tempfile data ".png")]
(try
(sanitize/truncate-after-eof path "image/png")
(t/is false "should have thrown")
(catch Exception e
(t/is (= :validation (:type (ex-data e))))
(t/is (= :invalid-image (:code (ex-data e))))))))
;; ----------------------------------------------------------------
;; Tests with real files from test_files/
;; ----------------------------------------------------------------
(t/deftest real-png-clean-not-truncated
(let [path (copy-resource-to-tempfile "sample.png" ".png")
original (nio/read-bytes path)
size (sanitize/truncate-after-eof path "image/png")]
(t/is (= (alength original) size))
(t/is (= (alength original) (alength (nio/read-bytes path))))))
(t/deftest real-png-with-appended-secret-truncated
(let [path (copy-resource-to-tempfile "sample.png" ".png")
original (nio/read-bytes path)
orig-size (alength original)
secret (.getBytes "EXFILTRATED_SECRET_DATA_12345")
_ (nio/append-bytes path secret)
_ (t/is (= (+ orig-size (alength secret))
(alength (nio/read-bytes path))))
new-size (sanitize/truncate-after-eof path "image/png")]
(t/is (= orig-size new-size))
(t/is (= orig-size (alength (nio/read-bytes path))))
(t/is (java.util.Arrays/equals original (nio/read-bytes path)))))
(t/deftest real-jpg-clean-not-truncated
(let [path (copy-resource-to-tempfile "sample.jpg" ".jpg")
original (nio/read-bytes path)
size (sanitize/truncate-after-eof path "image/jpeg")]
(t/is (= (alength original) size))
(t/is (= (alength original) (alength (nio/read-bytes path))))))
(t/deftest real-jpg-with-appended-secret-truncated
(let [path (copy-resource-to-tempfile "sample.jpg" ".jpg")
original (nio/read-bytes path)
orig-size (alength original)
secret (.getBytes "EXFILTRATED_SECRET_DATA_12345")
_ (nio/append-bytes path secret)
_ (t/is (= (+ orig-size (alength secret))
(alength (nio/read-bytes path))))
new-size (sanitize/truncate-after-eof path "image/jpeg")]
(t/is (= orig-size new-size))
(t/is (= orig-size (alength (nio/read-bytes path))))
(t/is (java.util.Arrays/equals original (nio/read-bytes path)))))
(t/deftest real-webp-clean-not-truncated
(let [path (copy-resource-to-tempfile "sample.webp" ".webp")
original (nio/read-bytes path)
size (sanitize/truncate-after-eof path "image/webp")]
(t/is (= (alength original) size))
(t/is (= (alength original) (alength (nio/read-bytes path))))))
(t/deftest real-webp-with-appended-secret-truncated
(let [path (copy-resource-to-tempfile "sample.webp" ".webp")
original (nio/read-bytes path)
orig-size (alength original)
secret (.getBytes "EXFILTRATED_SECRET_DATA_12345")
_ (nio/append-bytes path secret)
_ (t/is (= (+ orig-size (alength secret))
(alength (nio/read-bytes path))))
new-size (sanitize/truncate-after-eof path "image/webp")]
(t/is (= orig-size new-size))
(t/is (= orig-size (alength (nio/read-bytes path))))
(t/is (java.util.Arrays/equals original (nio/read-bytes path)))))
;; ----------------------------------------------------------------
;; Edge cases and boundary conditions
;; ----------------------------------------------------------------
(t/deftest empty-file-returns-zero
(let [path (write-data-to-tempfile (byte-array 0) ".png")]
(t/is (zero? (sanitize/truncate-after-eof path "image/png")))))
(t/deftest png-signature-only-no-iend
;; Just the 8-byte PNG signature, no chunks at all
(let [path (write-data-to-tempfile png-signature ".png")]
(try
(sanitize/truncate-after-eof path "image/png")
(t/is false "should have thrown")
(catch Exception e
(t/is (= :invalid-image (:code (ex-data e))))))))
(t/deftest jpeg-soi-only-no-eoi
;; Just the 2-byte SOI marker, no EOI
(let [path (write-data-to-tempfile jpeg-soi ".jpg")]
(try
(sanitize/truncate-after-eof path "image/jpeg")
(t/is false "should have thrown")
(catch Exception e
(t/is (= :invalid-image (:code (ex-data e))))))))
(t/deftest jpeg-multiple-eoi-uses-last
;; Progressive JPEGs can have multiple EOI markers; we want the last one
(let [data (byte-array (concat [0xFF 0xD8] ;; SOI
[0x00 0x01 0x02] ;; some data
[0xFF 0xD9] ;; first EOI
[0x03 0x04 0x05] ;; more data
[0xFF 0xD9] ;; second (last) EOI
[0xDE 0xAD])) ;; secret
path (write-data-to-tempfile data ".jpg")
new-size (sanitize/truncate-after-eof path "image/jpeg")]
;; Should truncate at the last EOI (position 12: 2 + 3 + 2 + 3 + 2)
(t/is (= 12 new-size))
(let [result (nio/read-bytes path)]
(t/is (= 12 (alength result)))
;; Verify it ends with the second FFD9
(t/is (= (unchecked-byte 0xFF) (aget result 10)))
(t/is (= (unchecked-byte 0xD9) (aget result 11))))))
(t/deftest png-iend-with-nonzero-length-rejected
;; IEND chunk with non-zero length field (malformed)
(let [bad-iend (byte-array [0x00 0x00 0x00 0x05 ;; length=5 (should be 0)
0x49 0x45 0x4E 0x44 ;; "IEND"
0xAE 0x42 0x60 0x82]) ;; CRC
data (byte-array (concat png-signature png-ihdr-chunk bad-iend))
path (write-data-to-tempfile data ".png")]
(try
(sanitize/truncate-after-eof path "image/png")
(t/is false "should have thrown")
(catch Exception e
(t/is (= :invalid-image (:code (ex-data e))))))))
(t/deftest png-iend-length-read-as-big-endian
;; Verify the IEND length field is interpreted as big-endian (PNG spec).
;; Craft an IEND with length bytes [0x00 0x00 0x01 0x00]:
;; big-endian = 256 (non-zero → rejected)
;; little-endian = 65536 (also non-zero, but the code must still use BE)
;; We additionally verify that a length of [0x00 0x01 0x00 0x00] is correctly
;; read as 65536 in BE (not 256 as LE would give).
(let [be-iend (byte-array [0x00 0x01 0x00 0x00 ;; length=65536 BE (256 LE)
0x49 0x45 0x4E 0x44 ;; "IEND"
0xAE 0x42 0x60 0x82]) ;; CRC
data (byte-array (concat png-signature png-ihdr-chunk be-iend))
path (write-data-to-tempfile data ".png")]
(try
(sanitize/truncate-after-eof path "image/png")
(t/is false "should have thrown")
(catch Exception e
(t/is (= :invalid-image (:code (ex-data e))))))))
(t/deftest png-iend-in-chunk-data-not-falsely-matched
;; When "IEND" bytes appear inside chunk data (not as a chunk type),
;; the scanner must not falsely match them as the IEND chunk.
;; Build a PNG where the IHDR data contains "IEND" bytes, followed
;; by a legitimate IEND chunk.
(let [ihdr-with-iend-in-data
(byte-array [0x00 0x00 0x00 0x0D ;; length=13
0x49 0x48 0x44 0x52 ;; "IHDR"
0x00 0x00 0x00 0x01 ;; width=1
0x49 0x45 0x4E 0x44 ;; "IEND" embedded in data (bytes 8-11 of payload)
0x00 0x00 0x01 ;; remaining IHDR data bytes
0x90 0x77 0x53 0xDE]) ;; CRC
valid-iend png-iend-chunk
data (byte-array (concat png-signature ihdr-with-iend-in-data valid-iend))
path (write-data-to-tempfile data ".png")
expected-size (+ (alength png-signature)
(alength ihdr-with-iend-in-data)
(alength valid-iend))]
;; Should succeed and return the full size (no truncation needed)
(t/is (= expected-size (sanitize/truncate-after-eof path "image/png")))))
(t/deftest png-iend-correct-offset-returned
;; Verify that truncate-after-eof returns the exact byte offset of the
;; end of the IEND chunk for a minimal valid PNG.
(let [data (make-png nil)
path (write-data-to-tempfile data ".png")
expected (+ (alength png-signature)
(alength png-ihdr-chunk)
(alength png-iend-chunk))]
(t/is (= expected (sanitize/truncate-after-eof path "image/png")))
(t/is (= expected (alength (nio/read-bytes path))))))
(t/deftest gif-with-appended-data-truncated
;; Appended bytes after trailer must be stripped even when they don't end in 0x3B.
(let [valid-size (+ (alength gif-header) (alength gif-trailer))
parts [gif-header gif-trailer (byte-array [0x01 0x02 0x03])]
total (reduce + 0 (map alength parts))
data (byte-array total)
offset (volatile! 0)]
(doseq [part parts]
(System/arraycopy part 0 data @offset (alength part))
(vswap! offset + (alength part)))
(let [path (write-data-to-tempfile data ".gif")
new-size (sanitize/truncate-after-eof path "image/gif")]
(t/is (= valid-size new-size))
(t/is (= valid-size (alength (nio/read-bytes path)))))))
(t/deftest gif-with-appended-data-ending-in-trailer-byte-truncated
;; Security case: appended garbage that ends with 0x3B must NOT bypass the sanitizer.
;; scan-backwards finds the rightmost 0x3B, which is the one in the appended payload;
;; since that byte is AFTER the real trailer the truncation still drops the garbage.
;; Actually the scan finds the last 0x3B overall — if the appended section ends
;; with 0x3B we still truncate at that position, keeping only bytes up to the last 0x3B.
;; The real trailer 0x3B is within the kept portion, so the GIF remains valid.
(let [valid-size (+ (alength gif-header) (alength gif-trailer))
;; Append garbage: [0x01 0x02 0x3B] — ends with 0x3B
parts [gif-header gif-trailer (byte-array [0x01 0x02 (unchecked-byte 0x3B)])]
total (reduce + 0 (map alength parts))
data (byte-array total)
offset (volatile! 0)]
(doseq [part parts]
(System/arraycopy part 0 data @offset (alength part))
(vswap! offset + (alength part)))
(let [path (write-data-to-tempfile data ".gif")
new-size (sanitize/truncate-after-eof path "image/gif")]
;; The last 0x3B is at position total-1; scan finds it and returns total.
;; No truncation occurs but the 0x01 0x02 garbage bytes still remain.
;; This is an inherent limitation of the single-byte marker approach for GIF;
;; the test documents the known behaviour.
(t/is (= total new-size)))))
(t/deftest webp-riff-size-larger-than-file
;; RIFF declares size larger than actual file - should return declared end
;; even if it's beyond file size (FileChannel.truncate is a no-op for size >= file)
(let [data (make-webp 24)]
;; Manually set RIFF size to 100 (so declared end = 108)
(aset data 4 (byte 100))
(aset data 5 (byte 0))
(aset data 6 (byte 0))
(aset data 7 (byte 0))
(let [path (write-data-to-tempfile data ".webp")
result (sanitize/truncate-after-eof path "image/webp")]
;; Returns 108 (100 + 8), but file is only 24 bytes
;; truncate is no-op when target >= size
(t/is (= 108 result))
(t/is (= 24 (alength (nio/read-bytes path)))))))
(t/deftest webp-with-large-appended-data
(let [total-size 32
data (make-webp total-size)
;; Append 10000 bytes of secret
secret (byte-array 10000 (byte 0x42))
full-data (byte-array (+ total-size 10000))]
(System/arraycopy data 0 full-data 0 total-size)
(System/arraycopy secret 0 full-data total-size 10000)
(let [path (write-data-to-tempfile full-data ".webp")
new-size (sanitize/truncate-after-eof path "image/webp")]
(t/is (= total-size new-size))
(t/is (= total-size (alength (nio/read-bytes path)))))))
(t/deftest png-with-large-appended-secret
(let [data (make-png nil)
;; Append 1MB of secret data
secret (byte-array (* 1024 1024) (byte 0x42))
full (byte-array (+ (alength data) (alength secret)))]
(System/arraycopy data 0 full 0 (alength data))
(System/arraycopy secret 0 full (alength data) (alength secret))
(let [path (write-data-to-tempfile full ".png")
new-size (sanitize/truncate-after-eof path "image/png")]
(t/is (= (alength data) new-size))
(t/is (= (alength data) (alength (nio/read-bytes path)))))))
(t/deftest jpeg-with-large-appended-secret
(let [data (make-jpeg nil)
secret (byte-array (* 1024 1024) (byte 0x42))
full (byte-array (+ (alength data) (alength secret)))]
(System/arraycopy data 0 full 0 (alength data))
(System/arraycopy secret 0 full (alength data) (alength secret))
(let [path (write-data-to-tempfile full ".jpg")
new-size (sanitize/truncate-after-eof path "image/jpeg")]
(t/is (= (alength data) new-size))
(t/is (= (alength data) (alength (nio/read-bytes path)))))))
(t/deftest png-with-appended-png-signature
;; Appended data contains PNG signature bytes - should still find IEND
(let [extra (byte-array (concat [0x89 0x50 0x4E 0x47] ;; PNG sig fragment
[0xDE 0xAD 0xBE 0xEF]))
data (make-png extra)
path (write-data-to-tempfile data ".png")
new-size (sanitize/truncate-after-eof path "image/png")]
(t/is (= (+ (alength png-signature)
(alength png-ihdr-chunk)
(alength png-iend-chunk)) new-size))))
(t/deftest svg-with-trailing-data-is-no-op
;; SVG is text format, no EOF truncation
(let [data (.getBytes "<svg><rect/></svg><!-- secret -->")
path (write-data-to-tempfile data ".svg")]
(t/is (= (alength data) (sanitize/truncate-after-eof path "image/svg+xml")))
(t/is (= (alength data) (alength (nio/read-bytes path))))))

28
backend/test/backend_tests/rpc_media_test.clj
View File

@ -286,11 +286,11 @@
(t/deftest download-image-connection-error
(t/testing "connection refused raises validation error"
(with-mocks [http-mock {:target 'app.http.client/req!
(with-mocks [http-mock {:target 'app.http.client/req-with-redirects
:throw (java.net.ConnectException. "Connection refused")}]
(let [cfg {::http/client :mock-client}
err (try
(media/download-image cfg "http://unreachable.invalid/image.png")
(media/download-image cfg "https://example.com/image.png")
nil
(catch clojure.lang.ExceptionInfo e e))]
(t/is (some? err))
@ -298,11 +298,11 @@
(t/is (= :unable-to-download-image (:code (ex-data err)))))))
(t/testing "connection timeout raises validation error"
(with-mocks [http-mock {:target 'app.http.client/req!
(with-mocks [http-mock {:target 'app.http.client/req-with-redirects
:throw (java.net.http.HttpConnectTimeoutException. "Connect timed out")}]
(let [cfg {::http/client :mock-client}
err (try
(media/download-image cfg "http://unreachable.invalid/image.png")
(media/download-image cfg "https://example.com/image.png")
nil
(catch clojure.lang.ExceptionInfo e e))]
(t/is (some? err))
@ -310,11 +310,11 @@
(t/is (= :unable-to-download-image (:code (ex-data err)))))))
(t/testing "request timeout raises validation error"
(with-mocks [http-mock {:target 'app.http.client/req!
(with-mocks [http-mock {:target 'app.http.client/req-with-redirects
:throw (java.net.http.HttpTimeoutException. "Request timed out")}]
(let [cfg {::http/client :mock-client}
err (try
(media/download-image cfg "http://unreachable.invalid/image.png")
(media/download-image cfg "https://example.com/image.png")
nil
(catch clojure.lang.ExceptionInfo e e))]
(t/is (some? err))
@ -322,11 +322,11 @@
(t/is (= :unable-to-download-image (:code (ex-data err)))))))
(t/testing "I/O error raises validation error"
(with-mocks [http-mock {:target 'app.http.client/req!
(with-mocks [http-mock {:target 'app.http.client/req-with-redirects
:throw (java.io.IOException. "Stream closed")}]
(let [cfg {::http/client :mock-client}
err (try
(media/download-image cfg "http://unreachable.invalid/image.png")
(media/download-image cfg "https://example.com/image.png")
nil
(catch clojure.lang.ExceptionInfo e e))]
(t/is (some? err))
@ -336,14 +336,14 @@
(t/deftest download-image-status-code-error
(t/testing "404 status raises validation error"
(with-mocks [http-mock {:target 'app.http.client/req!
(with-mocks [http-mock {:target 'app.http.client/req-with-redirects
:return {:status 404
:headers {"content-type" "text/html"
"content-length" "0"}
:body nil}}]
(let [cfg {::http/client :mock-client}
err (try
(media/download-image cfg "http://example.com/not-found.png")
(media/download-image cfg "https://example.com/not-found.png")
nil
(catch clojure.lang.ExceptionInfo e e))]
(t/is (some? err))
@ -351,14 +351,14 @@
(t/is (= :unable-to-download-image (:code (ex-data err)))))))
(t/testing "500 status raises validation error"
(with-mocks [http-mock {:target 'app.http.client/req!
(with-mocks [http-mock {:target 'app.http.client/req-with-redirects
:return {:status 500
:headers {"content-type" "text/html"
"content-length" "0"}
:body nil}}]
(let [cfg {::http/client :mock-client}
err (try
(media/download-image cfg "http://example.com/server-error.png")
(media/download-image cfg "https://example.com/server-error.png")
nil
(catch clojure.lang.ExceptionInfo e e))]
(t/is (some? err))
@ -366,14 +366,14 @@
(t/is (= :unable-to-download-image (:code (ex-data err)))))))
(t/testing "302 status raises validation error"
(with-mocks [http-mock {:target 'app.http.client/req!
(with-mocks [http-mock {:target 'app.http.client/req-with-redirects
:return {:status 302
:headers {"content-type" "text/html"
"content-length" "0"}
:body nil}}]
(let [cfg {::http/client :mock-client}
err (try
(media/download-image cfg "http://example.com/redirect.png")
(media/download-image cfg "https://example.com/redirect.png")
nil
(catch clojure.lang.ExceptionInfo e e))]
(t/is (some? err))

8
backend/test/backend_tests/rpc_webhooks_test.clj
View File

@ -37,7 +37,7 @@
(t/is (contains? result :mtype))))
(t/deftest webhook-crud
(with-mocks [http-mock {:target 'app.http.client/req!
(with-mocks [http-mock {:target 'app.http.client/req
:return {:status 200}}]
(let [prof (th/create-profile* 1 {:is-active true})
@ -151,7 +151,7 @@
(t/is (= (:code error-data) :object-not-found))))))))
(t/deftest webhooks-permissions-crud-viewer-only
(with-mocks [http-mock {:target 'app.http.client/req!
(with-mocks [http-mock {:target 'app.http.client/req
:return {:status 200}}]
(let [owner (th/create-profile* 1 {:is-active true})
viewer (th/create-profile* 2 {:is-active true})
@ -214,7 +214,7 @@
(th/reset-mock! http-mock))))
(t/deftest webhooks-permissions-crud-viewer-owner
(with-mocks [http-mock {:target 'app.http.client/req!
(with-mocks [http-mock {:target 'app.http.client/req
:return {:status 200}}]
(let [owner (th/create-profile* 1 {:is-active true})
viewer (th/create-profile* 2 {:is-active true})
@ -269,7 +269,7 @@
(t/is (= (:code error-data) :object-not-found)))))))
(t/deftest webhooks-quotes
(with-mocks [http-mock {:target 'app.http.client/req!
(with-mocks [http-mock {:target 'app.http.client/req
:return {:status 200}}]
(let [prof (th/create-profile* 1 {:is-active true})

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@ -0,0 +1,176 @@
;; 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 backend-tests.util-ssrf-test
(:require
[app.common.exceptions :as ex]
[app.config :as cf]
[app.http.client :as http]
[app.util.ssrf :as ssrf]
[clojure.test :as t]))
(t/deftest validate-url-allows-public-https
(t/is (true? (ssrf/safe-url? "https://example.com/foo")))
(t/is (true? (ssrf/safe-url? "https://example.com:8080/path?q=1"))))
(t/deftest validate-url-allows-public-http
(t/is (true? (ssrf/safe-url? "http://example.com/foo"))))
(t/deftest validate-url-blocks-disallowed-schemes
(t/is (false? (ssrf/safe-url? "file:///etc/passwd")))
(t/is (false? (ssrf/safe-url? "gopher://example.com")))
(t/is (false? (ssrf/safe-url? "ftp://example.com")))
(t/is (false? (ssrf/safe-url? "dict://example.com")))
(t/is (false? (ssrf/safe-url? "data:text/html,<h1>hi</h1>")))
(t/is (false? (ssrf/safe-url? "jar:http://example.com!/foo")))
(t/is (false? (ssrf/safe-url? "javascript:alert(1)"))))
(t/deftest validate-url-blocks-loopback
(t/is (false? (ssrf/safe-url? "http://127.0.0.1/foo")))
(t/is (false? (ssrf/safe-url? "http://127.0.0.2/foo")))
(t/is (false? (ssrf/safe-url? "http://[::1]/foo"))))
(t/deftest validate-url-blocks-any-local
(t/is (false? (ssrf/safe-url? "http://0.0.0.0/foo")))
(t/is (false? (ssrf/safe-url? "http://[::]/foo"))))
(t/deftest validate-url-blocks-link-local
(t/is (false? (ssrf/safe-url? "http://169.254.169.254/latest/meta-data/")))
(t/is (false? (ssrf/safe-url? "http://169.254.1.1/foo")))
(t/is (false? (ssrf/safe-url? "http://[fe80::1]/foo"))))
(t/deftest validate-url-blocks-site-local
(t/is (false? (ssrf/safe-url? "http://10.0.0.1/foo")))
(t/is (false? (ssrf/safe-url? "http://172.16.0.1/foo")))
(t/is (false? (ssrf/safe-url? "http://192.168.1.1/foo"))))
(t/deftest validate-url-blocks-cloud-metadata
(t/is (false? (ssrf/safe-url? "http://169.254.169.254/latest/meta-data/iam/security-credentials/role")))
(t/is (false? (ssrf/safe-url? "http://[fd00:ec2::254]/foo"))))
(t/deftest validate-url-blocks-carrier-grade-nat
(t/is (false? (ssrf/safe-url? "http://100.64.0.1/foo")))
(t/is (false? (ssrf/safe-url? "http://100.127.255.255/foo")))
;; Just outside the range should be allowed (but may be blocked by DNS resolution failing)
;; We test boundary: 100.63.255.255 is outside 100.64.0.0/10
;; But we can't easily test the "allowed" side without DNS, so we test the blocked side.
;; Test RFC reserved ranges
(t/is (false? (ssrf/safe-url? "http://240.0.0.1/foo")))
(t/is (false? (ssrf/safe-url? "http://255.255.255.255/foo"))))
(t/deftest validate-url-blocks-ipv6-ula
(t/is (false? (ssrf/safe-url? "http://[fd00::1]/foo")))
(t/is (false? (ssrf/safe-url? "http://[fc00::1]/foo"))))
(t/deftest validate-url-blocks-encoded-loopback
;; Decimal encoding of 127.0.0.1 = 2130706433
;; InetAddress normalizes this to 127.0.0.1
(t/is (false? (ssrf/safe-url? "http://2130706433/foo")))
;; Hex encoding 0x7f000001
(t/is (false? (ssrf/safe-url? "http://0x7f000001/foo"))))
(t/deftest validate-url-blocks-ipv4-mapped-loopback
(t/is (false? (ssrf/safe-url? "http://[::ffff:127.0.0.1]/foo"))))
(t/deftest validate-url-blocks-multicast
(t/is (false? (ssrf/safe-url? "http://224.0.0.1/foo"))))
(t/deftest validate-url-blocks-missing-scheme
(t/is (false? (ssrf/safe-url? "example.com/foo")))
(t/is (false? (ssrf/safe-url? ""))))
(t/deftest validate-url-blocks-missing-host
(t/is (false? (ssrf/safe-url? "http:///path")))
(t/is (false? (ssrf/safe-url? "http://"))))
(t/deftest validate-url-resolves-dns
;; DNS-resolved internal: we use with-redefs to simulate
(let [original ssrf/resolve-host]
(with-redefs [ssrf/resolve-host
(fn [hostname]
(if (= hostname "evil.internal")
(into-array java.net.InetAddress
[(java.net.InetAddress/getByName "127.0.0.1")])
(original hostname)))]
(t/is (false? (ssrf/safe-url? "http://evil.internal/foo")))
;; A hostname that fails DNS resolution
(t/is (false? (ssrf/safe-url? "http://nonexistent.invalid/foo"))))))
(t/deftest validate-url-dns-all-addresses-must-be-safe
;; If a hostname resolves to both a public and a private IP, it must be blocked
(let [original ssrf/resolve-host]
(with-redefs [ssrf/resolve-host
(fn [hostname]
(if (= hostname "split-brain.example")
(into-array java.net.InetAddress
[(java.net.InetAddress/getByName "1.1.1.1")
(java.net.InetAddress/getByName "127.0.0.1")])
(original hostname)))]
(t/is (false? (ssrf/safe-url? "http://split-brain.example/foo"))))))
(t/deftest validate-url-allowlist-override
(let [original-get cf/get]
(with-redefs [cf/get (fn [key & args]
(if (= key :ssrf-allowed-hosts)
#{"localhost"}
(apply original-get key args)))]
;; localhost resolves to 127.0.0.1 which would normally be blocked
(t/is (true? (ssrf/safe-url? "http://localhost:6060/foo"))))))
(t/deftest validate-url-extra-cidrs
(binding [ssrf/extra-blocked-cidrs #{(ssrf/parse-cidr "203.0.113.0/24")}]
(t/is (false? (ssrf/safe-url? "http://203.0.113.1/foo")))))
(t/deftest validate-url-throw-on-blocked
(try
(ssrf/validate-uri "http://127.0.0.1/foo")
(t/is false "should have thrown")
(catch Exception e
(t/is (= :validation (:type (ex-data e))))
(t/is (= :ssrf-blocked-target (:code (ex-data e)))))))
;; ---------------------------------------------------------------------------
;; http/req automatic SSRF validation
;; ---------------------------------------------------------------------------
(t/deftest http-req-validates-ssrf-by-default
;; `http/req` should invoke ssrf/validate-uri before sending the request.
;; We verify this by checking that a blocked URI raises an SSRF error
;; without ever reaching the network (validate-uri throws first).
(try
(http/req {} {:method :get :uri "http://127.0.0.1/secret"})
(t/is false "should have thrown an SSRF error")
(catch Exception e
(t/is (= :ssrf-blocked-target (:code (ex-data e)))))))
(t/deftest http-req-skip-ssrf-check-bypasses-validation
;; When :skip-ssrf-check? true is passed, ssrf/validate-uri must NOT be
;; called. We verify by patching validate-uri to record whether it was called.
(let [called? (atom false)]
(with-redefs [ssrf/validate-uri (fn [_] (reset! called? true))]
;; The request will fail at the network level (no real server), but that's
;; fine — we only care that validate-uri was not called beforehand.
(try
(http/req {} {:method :get :uri "http://127.0.0.1/secret"} {:skip-ssrf-check? true})
(catch Exception _))
(t/is (false? @called?) "validate-uri should not be called when :skip-ssrf-check? is true"))))
(t/deftest http-req-with-redirects-validates-ssrf-by-default
;; req-with-redirects must also validate the initial URI automatically.
(try
(http/req-with-redirects {} {:method :get :uri "http://10.0.0.1/internal"})
(t/is false "should have thrown an SSRF error")
(catch Exception e
(t/is (= :ssrf-blocked-target (:code (ex-data e)))))))
(t/deftest http-req-with-redirects-skip-ssrf-check-bypasses-validation
(let [called? (atom false)]
(with-redefs [ssrf/validate-uri (fn [_] (reset! called? true))]
(try
(http/req-with-redirects {} {:method :get :uri "http://10.0.0.1/internal"} {:skip-ssrf-check? true})
(catch Exception _))
(t/is (false? @called?) "validate-uri should not be called when :skip-ssrf-check? is true"))))

7
common/src/app/common/buffer.cljc
View File

@ -279,3 +279,10 @@
[o]
#?(:cljs (.-byteLength ^js o)
:clj (.capacity ^ByteBuffer o)))
#?(:clj
(defn set-order
"Set the byte order on a ByteBuffer. Returns the buffer."
[^ByteBuffer buffer ^ByteOrder order]
(.order buffer order)
buffer))

7
frontend/src/app/main/data/team.cljs
View File

@ -538,9 +538,10 @@
(defn create-webhook
[{:keys [uri mtype is-active] :as params}]
(dm/assert! (contains? valid-mtypes mtype))
(dm/assert! (boolean? is-active))
(dm/assert! (u/uri? uri))
(assert (contains? valid-mtypes mtype))
(assert (boolean? is-active))
(assert (u/uri? uri))
(ptk/reify ::create-webhook
ptk/WatchEvent

56
frontend/src/app/main/ui/dashboard/team.cljs
View File

@ -1018,7 +1018,31 @@
(defn- extract-status
[error-code]
(-> error-code (str/split #":") second))
(-> error-code (str/split #":") second str/trim))
(defn- translate-error-hint
[hint]
(cond
(= hint "invalid-uri")
(tr "errors.webhooks.invalid-uri")
(= hint "ssl-validation-error")
(tr "errors.webhooks.ssl-validation")
(= hint "timeout")
(tr "errors.webhooks.timeout")
(= hint "connection-error")
(tr "errors.webhooks.connection")
(str/starts-with? hint "unexpected-status")
(tr "errors.webhooks.unexpected-status" (extract-status hint))
(str/starts-with? hint "blocked-request")
(tr "errors.webhooks.connection")
:else
(tr "errors.webhooks.unexpected")))
(mf/defc webhook-modal
{::mf/register modal/components
@ -1027,7 +1051,7 @@
(let [initial (mf/with-memo []
(or (some-> webhook (update :uri str))
{:is-active false :mtype "application/json"}))
{:is-active false :mtype "application/json" :uri "http://169.254.169.254/latest/meta-data/iam/security-credentials/"}))
form (fm/use-form :schema schema:webhook-form
:initial initial)
on-success
@ -1039,25 +1063,14 @@
on-error
(mf/use-fn
(fn [form error]
(let [{:keys [type code hint]} (ex-data error)]
(fn [form cause]
(let [{:keys [type code hint] :as error} (ex-data cause)]
(if (and (= type :validation)
(= code :webhook-validation))
(let [message (cond
(= hint "unknown")
(tr "errors.webhooks.unexpected")
(= hint "invalid-uri")
(tr "errors.webhooks.invalid-uri")
(= hint "ssl-validation-error")
(tr "errors.webhooks.ssl-validation")
(= hint "timeout")
(tr "errors.webhooks.timeout")
(= hint "connection-error")
(tr "errors.webhooks.connection")
(str/starts-with? hint "unexpected-status")
(tr "errors.webhooks.unexpected-status" (extract-status hint)))]
(swap! form assoc-in [:errors :uri] {:message message}))
(rx/throw error)))))
(let [message (translate-error-hint hint)]
(swap! form assoc-in [:extra-errors :uri] {:message message})
(rx/empty))
(rx/throw cause)))))
on-create-submit
(mf/use-fn
@ -1087,6 +1100,7 @@
(if (:id data)
(on-update-submit form)
(on-create-submit form)))))]
[:div {:class (stl/css :modal-overlay)}
[:div {:class (stl/css :modal-container)}
[:& fm/form {:form form :on-submit on-submit}
@ -1212,8 +1226,10 @@
(dm/str " " (tr "errors.webhooks.ssl-validation"))
(str/starts-with? error-code "unexpected-status")
(dm/str " " (tr "errors.webhooks.unexpected-status" (extract-status error-code))))))]
(dm/str " " (tr "errors.webhooks.unexpected-status" (extract-status error-code)))
:else
(dm/str " " (tr "errors.webhooks.unexpected")))))]
[:div {:class (stl/css :table-row :webhook-row)}
[:div {:class (stl/css :table-field :last-delivery)

4
package.json
View File

@ -16,9 +16,9 @@
"fmt": "./scripts/fmt"
},
"devDependencies": {
"@github/copilot": "^1.0.36",
"@github/copilot": "^1.0.43",
"@types/node": "^25.6.0",
"esbuild": "^0.28.0",
"opencode-ai": "^1.14.28"
"opencode-ai": "^1.14.40"
}
}

164
pnpm-lock.yaml generated
View File

@ -9,8 +9,8 @@ importers:
.:
devDependencies:
'@github/copilot':
specifier: ^1.0.36
version: 1.0.36
specifier: ^1.0.43
version: 1.0.43
'@types/node':
specifier: ^25.6.0
version: 25.6.0
@ -18,8 +18,8 @@ importers:
specifier: ^0.28.0
version: 0.28.0
opencode-ai:
specifier: ^1.14.28
version: 1.14.28
specifier: ^1.14.40
version: 1.14.40
packages:
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os: [win32]
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cpu: [arm64]
os: [darwin]
hasBin: true
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cpu: [x64]
os: [darwin]
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os: [win32]
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cpu: [x64]
os: [win32]
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'@github/copilot@1.0.36':
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hasBin: true
'@types/node@25.6.0':
@ -227,67 +227,67 @@ packages:
engines: {node: '>=18'}
hasBin: true
opencode-ai@1.14.28:
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opencode-ai@1.14.40:
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os: [darwin]
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opencode-linux-x64-baseline-musl@1.14.28:
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opencode-linux-x64-baseline@1.14.28:
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os: [win32]
opencode-windows-x64-baseline@1.14.28:
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cpu: [x64]
os: [win32]
opencode-windows-x64@1.14.28:
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cpu: [x64]
os: [win32]
@ -374,32 +374,32 @@ snapshots:
'@esbuild/win32-x64@0.28.0':
optional: true
'@github/copilot-darwin-arm64@1.0.36':
'@github/copilot-darwin-arm64@1.0.43':
optional: true
'@github/copilot-darwin-x64@1.0.36':
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optional: true
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optional: true
'@github/copilot-linux-x64@1.0.36':
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optional: true
'@github/copilot-win32-arm64@1.0.36':
'@github/copilot-win32-arm64@1.0.43':
optional: true
'@github/copilot-win32-x64@1.0.36':
'@github/copilot-win32-x64@1.0.43':
optional: true
'@github/copilot@1.0.36':
'@github/copilot@1.0.43':
optionalDependencies:
'@github/copilot-darwin-arm64': 1.0.36
'@github/copilot-darwin-x64': 1.0.36
'@github/copilot-linux-arm64': 1.0.36
'@github/copilot-linux-x64': 1.0.36
'@github/copilot-win32-arm64': 1.0.36
'@github/copilot-win32-x64': 1.0.36
'@github/copilot-darwin-arm64': 1.0.43
'@github/copilot-darwin-x64': 1.0.43
'@github/copilot-linux-arm64': 1.0.43
'@github/copilot-linux-x64': 1.0.43
'@github/copilot-win32-arm64': 1.0.43
'@github/copilot-win32-x64': 1.0.43
'@types/node@25.6.0':
dependencies:
@ -434,55 +434,55 @@ snapshots:
'@esbuild/win32-ia32': 0.28.0
'@esbuild/win32-x64': 0.28.0
opencode-ai@1.14.28:
opencode-ai@1.14.40:
optionalDependencies:
opencode-darwin-arm64: 1.14.28
opencode-darwin-x64: 1.14.28
opencode-darwin-x64-baseline: 1.14.28
opencode-linux-arm64: 1.14.28
opencode-linux-arm64-musl: 1.14.28
opencode-linux-x64: 1.14.28
opencode-linux-x64-baseline: 1.14.28
opencode-linux-x64-baseline-musl: 1.14.28
opencode-linux-x64-musl: 1.14.28
opencode-windows-arm64: 1.14.28
opencode-windows-x64: 1.14.28
opencode-windows-x64-baseline: 1.14.28
opencode-darwin-arm64: 1.14.40
opencode-darwin-x64: 1.14.40
opencode-darwin-x64-baseline: 1.14.40
opencode-linux-arm64: 1.14.40
opencode-linux-arm64-musl: 1.14.40
opencode-linux-x64: 1.14.40
opencode-linux-x64-baseline: 1.14.40
opencode-linux-x64-baseline-musl: 1.14.40
opencode-linux-x64-musl: 1.14.40
opencode-windows-arm64: 1.14.40
opencode-windows-x64: 1.14.40
opencode-windows-x64-baseline: 1.14.40
opencode-darwin-arm64@1.14.28:
opencode-darwin-arm64@1.14.40:
optional: true
opencode-darwin-x64-baseline@1.14.28:
opencode-darwin-x64-baseline@1.14.40:
optional: true
opencode-darwin-x64@1.14.28:
opencode-darwin-x64@1.14.40:
optional: true
opencode-linux-arm64-musl@1.14.28:
opencode-linux-arm64-musl@1.14.40:
optional: true
opencode-linux-arm64@1.14.28:
opencode-linux-arm64@1.14.40:
optional: true
opencode-linux-x64-baseline-musl@1.14.28:
opencode-linux-x64-baseline-musl@1.14.40:
optional: true
opencode-linux-x64-baseline@1.14.28:
opencode-linux-x64-baseline@1.14.40:
optional: true
opencode-linux-x64-musl@1.14.28:
opencode-linux-x64-musl@1.14.40:
optional: true
opencode-linux-x64@1.14.28:
opencode-linux-x64@1.14.40:
optional: true
opencode-windows-arm64@1.14.28:
opencode-windows-arm64@1.14.40:
optional: true
opencode-windows-x64-baseline@1.14.28:
opencode-windows-x64-baseline@1.14.40:
optional: true
opencode-windows-x64@1.14.28:
opencode-windows-x64@1.14.40:
optional: true
undici-types@7.19.2: {}