diff options
Diffstat (limited to 'modules/base/tool.go')
| -rw-r--r-- | modules/base/tool.go | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/modules/base/tool.go b/modules/base/tool.go index 97fd87e85c..d99ed2bab4 100644 --- a/modules/base/tool.go +++ b/modules/base/tool.go @@ -5,6 +5,7 @@ package base import ( + "bytes" "crypto/md5" "crypto/rand" "crypto/sha1" @@ -36,6 +37,9 @@ import ( "github.com/gogits/chardet" ) +// UTF8BOM is the utf-8 byte-order marker +var UTF8BOM = []byte{'\xef', '\xbb', '\xbf'} + // EncodeMD5 encodes string to md5 hex value. func EncodeMD5(str string) string { m := md5.New() @@ -91,6 +95,14 @@ func DetectEncoding(content []byte) (string, error) { return result.Charset, err } +// RemoveBOMIfPresent removes a UTF-8 BOM from a []byte +func RemoveBOMIfPresent(content []byte) []byte { + if len(content) > 2 && bytes.Equal(content[0:3], UTF8BOM) { + return content[3:] + } + return content +} + // BasicAuthDecode decode basic auth string func BasicAuthDecode(encoded string) (string, string, error) { s, err := base64.StdEncoding.DecodeString(encoded) |