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Wrapper nonce security comments

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HelloZeroNet 2016-03-12 20:36:17 +01:00
parent 4d7ce1dc16
commit b0ac9869ce
1 changed files with 5 additions and 1 deletions
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6
src/Ui/media/Wrapper.coffee
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@ -70,7 +70,8 @@ class Wrapper
# Incoming message from inner frame
onMessageInner: (e) =>
if not window.postmessage_nonce_security and @opener == null # Test opener
# No nonce security enabled, test if window opener present
if not window.postmessage_nonce_security and @opener == null
if window.opener
@log "Opener present", window.opener
@displayOpenerDialog()
@ -79,14 +80,17 @@ class Wrapper
@opener = false
message = e.data
# Invalid message (probably not for us)
if not message.cmd
return false
# Test nonce security to avoid third-party messages
if window.postmessage_nonce_security and message.wrapper_nonce != window.wrapper_nonce
@log "Message nonce error:", message.wrapper_nonce, '!=', window.wrapper_nonce
@actionNotification({"params": ["error", "Message wrapper_nonce error, please report!"]})
window.removeEventListener("message", @onMessageInner)
return
cmd = message.cmd
if cmd == "innerReady"
@inner_ready = true