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Always check for file extension (#103)

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Nova Kwok 2022-03-15 11:13:13 +08:00 committed by GitHub
parent 3890db9077
commit 88daad2a05
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2 changed files with 9 additions and 14 deletions
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2
config.go
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@ -22,7 +22,7 @@ var (
prefetch, proxyMode bool prefetch, proxyMode bool
remoteRaw = "remote-raw" remoteRaw = "remote-raw"
config Config config Config
version = "0.4.1" version = "0.4.2"
releaseUrl = "https://github.com/webp-sh/webp_server_go/releases/latest/download/" releaseUrl = "https://github.com/webp-sh/webp_server_go/releases/latest/download/"
) )

21
router.go
View File

@ -29,6 +29,14 @@ func convert(c *fiber.Ctx) error {
var imgFilename = path.Base(reqURI) // pure filename, 123.jpg var imgFilename = path.Base(reqURI) // pure filename, 123.jpg
log.Debugf("Incoming connection from %s %s", c.IP(), imgFilename) log.Debugf("Incoming connection from %s %s", c.IP(), imgFilename)
if !checkAllowedType(imgFilename) {
msg := "File extension not allowed! " + imgFilename
log.Warn(msg)
c.Status(http.StatusBadRequest)
_ = c.Send([]byte(msg))
return nil
}
goodFormat := guessSupportedFormat(&c.Request().Header) goodFormat := guessSupportedFormat(&c.Request().Header)
// old browser only, send the original image or fetch from remote and send. // old browser only, send the original image or fetch from remote and send.
@ -43,19 +51,6 @@ func convert(c *fiber.Ctx) error {
} }
} }
if !checkAllowedType(imgFilename) {
msg := "File extension not allowed! " + imgFilename
log.Warn(msg)
if imageExists(rawImageAbs) {
c.Set("ETag", genEtag(rawImageAbs))
return c.SendFile(rawImageAbs)
} else {
c.Status(http.StatusBadRequest)
_ = c.Send([]byte(msg))
return nil
}
}
if proxyMode { if proxyMode {
return proxyHandler(c, reqURI) return proxyHandler(c, reqURI)
} }