combine attachment and icon url regex

This commit is contained in:
Hunter Kehoe 2022-07-17 15:47:21 -06:00
parent 99886d7f66
commit 3c5a10de17

View file

@ -74,8 +74,7 @@ var (
docsRegex = regexp.MustCompile(`^/docs(|/.*)$`) docsRegex = regexp.MustCompile(`^/docs(|/.*)$`)
fileRegex = regexp.MustCompile(`^/file/([-_A-Za-z0-9]{1,64})(?:\.[A-Za-z0-9]{1,16})?$`) fileRegex = regexp.MustCompile(`^/file/([-_A-Za-z0-9]{1,64})(?:\.[A-Za-z0-9]{1,16})?$`)
disallowedTopics = []string{"docs", "static", "file", "app", "settings"} // If updated, also update in Android app disallowedTopics = []string{"docs", "static", "file", "app", "settings"} // If updated, also update in Android app
attachURLRegex = regexp.MustCompile(`^https?://`) urlRegex = regexp.MustCompile(`^https?://`)
iconURLRegex = regexp.MustCompile(`^https?://`)
//go:embed site //go:embed site
webFs embed.FS webFs embed.FS
@ -569,7 +568,7 @@ func (s *Server) parsePublishParams(r *http.Request, v *visitor, m *message) (ca
firebase = readBoolParam(r, true, "x-firebase", "firebase") firebase = readBoolParam(r, true, "x-firebase", "firebase")
m.Title = readParam(r, "x-title", "title", "t") m.Title = readParam(r, "x-title", "title", "t")
m.Click = readParam(r, "x-click", "click") m.Click = readParam(r, "x-click", "click")
m.Icon = readParam(r, "x-icon", "icon") icon := readParam(r, "x-icon", "icon")
filename := readParam(r, "x-filename", "filename", "file", "f") filename := readParam(r, "x-filename", "filename", "file", "f")
attach := readParam(r, "x-attach", "attach", "a") attach := readParam(r, "x-attach", "attach", "a")
if attach != "" || filename != "" { if attach != "" || filename != "" {
@ -579,7 +578,7 @@ func (s *Server) parsePublishParams(r *http.Request, v *visitor, m *message) (ca
m.Attachment.Name = filename m.Attachment.Name = filename
} }
if attach != "" { if attach != "" {
if !attachURLRegex.MatchString(attach) { if !urlRegex.MatchString(attach) {
return false, false, "", false, errHTTPBadRequestAttachmentURLInvalid return false, false, "", false, errHTTPBadRequestAttachmentURLInvalid
} }
m.Attachment.URL = attach m.Attachment.URL = attach
@ -596,6 +595,12 @@ func (s *Server) parsePublishParams(r *http.Request, v *visitor, m *message) (ca
m.Attachment.Name = "attachment" m.Attachment.Name = "attachment"
} }
} }
if icon != "" {
if !urlRegex.MatchString(icon) {
return false, false, "", false, errHTTPBadRequestIconURLInvalid
}
m.Icon = icon
}
email = readParam(r, "x-email", "x-e-mail", "email", "e-mail", "mail", "e") email = readParam(r, "x-email", "x-e-mail", "email", "e-mail", "mail", "e")
if email != "" { if email != "" {
if err := v.EmailAllowed(); err != nil { if err := v.EmailAllowed(); err != nil {