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fix(type): svg type checking

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This commit is contained in:
Tomas Aparicio 2016-09-27 22:21:59 +01:00
parent ac42bba851
commit de76daee9c
1 changed files with 3 additions and 3 deletions
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6
type.go
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@ -30,8 +30,8 @@ const (
type ImageType int type ImageType int
var ( var (
htmlCommentRegex = regexp.MustCompile("<!--([\\s\\S]*?)-->") htmlCommentRegex = regexp.MustCompile("(?i)<!--([\\s\\S]*?)-->")
svgRegex = regexp.MustCompile(`^\s*(?:<\?xml[^>]*>\s*)?(?:<!doctype svg[^>]*>\s*)?<svg[^>]*>[^*]*<\/svg>\s*$`) svgRegex = regexp.MustCompile(`(?i)^\s*(?:<\?xml[^>]*>\s*)?(?:<!doctype svg[^>]*>\s*)?<svg[^>]*>[^*]*<\/svg>\s*$`)
) )
// ImageTypes stores as pairs of image types supported and its alias names. // ImageTypes stores as pairs of image types supported and its alias names.
@ -75,7 +75,7 @@ func isBinary(buf []byte) bool {
// IsSVGImage returns true if the given buffer is a valid SVG image. // IsSVGImage returns true if the given buffer is a valid SVG image.
func IsSVGImage(buf []byte) bool { func IsSVGImage(buf []byte) bool {
return !isBinary(buf) && svgRegex.Match(htmlCommentRegex.ReplaceAll(buf, []byte{0})) return !isBinary(buf) && svgRegex.Match(htmlCommentRegex.ReplaceAll(buf, []byte{}))
} }
// DetermineImageType determines the image type format (jpeg, png, webp or tiff) // DetermineImageType determines the image type format (jpeg, png, webp or tiff)