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Avoid stretched image if specified width is larger than Miniflux's layout

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This commit is contained in:
Frédéric Guillot 2022-07-04 19:59:52 -07:00
parent f0a698c6fe
commit c0eab5ebc5
2 changed files with 39 additions and 3 deletions
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30
reader/sanitizer/sanitizer.go
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@ -100,6 +100,12 @@ func Sanitize(baseURL, input string) string {
func sanitizeAttributes(baseURL, tagName string, attributes []html.Attribute) ([]string, string) {
var htmlAttrs, attrNames []string
var err error
var isImageLargerThanLayout bool
if tagName == "img" {
imgWidth := getIntegerAttributeValue("width", attributes)
isImageLargerThanLayout = imgWidth > 750
}
for _, attribute := range attributes {
value := attribute.Val
@ -112,8 +118,14 @@ func sanitizeAttributes(baseURL, tagName string, attributes []html.Attribute) ([
value = sanitizeSrcsetAttr(baseURL, value)
}
if tagName == "img" && (attribute.Key == "width" || attribute.Key == "height") && !isPositiveInteger(value) {
continue
if tagName == "img" && (attribute.Key == "width" || attribute.Key == "height") {
if !isPositiveInteger(value) {
continue
}
if isImageLargerThanLayout {
continue
}
}
if isExternalResourceAttribute(attribute.Key) {
@ -486,3 +498,17 @@ func isPositiveInteger(value string) bool {
}
return false
}
func getAttributeValue(name string, attributes []html.Attribute) string {
for _, attribute := range attributes {
if attribute.Key == name {
return attribute.Val
}
}
return ""
}
func getIntegerAttributeValue(name string, attributes []html.Attribute) int {
number, _ := strconv.Atoi(getAttributeValue(name, attributes))
return number
}