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html/template: escape JS in application/json script tag

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Since ffd1c781b7 HTML templates check
MIME type in the "type" attribute of "script" tag to decide if contents
should be escaped as JavaScript. The whitelist of MIME types did not
include application/json. Include it in this CL.

Fixes #18159

Change-Id: I17a8a38f2b7789b4b7e941d14279de222eaf2b6a
Reviewed-on: https://go-review.googlesource.com/33899
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Nodir Turakulov 2016-12-03 11:37:05 -08:00 committed by Brad Fitzpatrick
parent d29f72f472
commit 37dbc7b49c
1 changed files with 4 additions and 2 deletions
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6
src/html/template/js.go
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@ -368,9 +368,10 @@ func isJSIdentPart(r rune) bool {
// It is used to determine whether a script tag with a type attribute is a javascript container.
func isJSType(mimeType string) bool {
// per
// http://www.w3.org/TR/html5/scripting-1.html#attr-script-type
// https://www.w3.org/TR/html5/scripting-1.html#attr-script-type
// https://tools.ietf.org/html/rfc7231#section-3.1.1
// http://tools.ietf.org/html/rfc4329#section-3
// https://tools.ietf.org/html/rfc4329#section-3
// https://www.ietf.org/rfc/rfc4627.txt
// discard parameters
if i := strings.Index(mimeType, ";"); i >= 0 {
@ -381,6 +382,7 @@ func isJSType(mimeType string) bool {
case
"application/ecmascript",
"application/javascript",
"application/json",
"application/x-ecmascript",
"application/x-javascript",
"text/ecmascript",