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Fix Malformed dir traversal (#331)

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* Directory traversal with malformed HTTP request

#330

* bump version

* also %2e

* Use prefix to check invalid Path

---------

Co-authored-by: n0vad3v <n0vad3v@riseup.net>
This commit is contained in:
Benny 2024-04-23 07:15:40 +02:00 committed by GitHub
parent c7bebfca34
commit be32328998
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2 changed files with 7 additions and 1 deletions
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2
config/config.go
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@ -50,7 +50,7 @@ var (
ProxyMode bool
Prefetch bool
Config = NewWebPConfig()
Version = "0.11.2"
Version = "0.11.3"
WriteLock = cache.New(5*time.Minute, 10*time.Minute)
ConvertLock = cache.New(5*time.Minute, 10*time.Minute)
RemoteRaw = "./remote-raw"

6
handler/router.go
View File

@ -22,6 +22,12 @@ func Convert(c *fiber.Ctx) error {
// 2. generate rawImagePath, could be local path or remote url(possible with query string)
// 3. pass it to encoder, get the result, send it back
// normal http request will start with /
if !strings.HasPrefix(c.Path(), "/") {
_ = c.SendStatus(http.StatusBadRequest)
return nil
}
var (
reqHostname = c.Hostname()
reqHost = c.Protocol() + "://" + reqHostname // http://www.example.com:8000