fix infinite loop when parsing empty nonnative subscription content (#3208)

xiaokangwang · web-flow · commit 2415b89510df · 2024-10-27T21:50:37.000Z
diff --git a/app/subscription/entries/nonnative/nonnative.go b/app/subscription/entries/nonnative/nonnative.go
@@ -30,6 +30,10 @@ func (a *AbstractNonNativeLink) fromBytes(bytes []byte) {
 }
 
 func (a *AbstractNonNativeLink) extractValue(content, prefix string) {
+	if content == "" {
+		return
+	}
+
 	{
 		// check if the content is a link
 		match, err := regexp.Match("[a-zA-Z0-9]+:((\\/\\/)|\\?)", []byte(content))

Original file line number	Diff line number	Diff line change
`@@ -30,6 +30,10 @@ func (a *AbstractNonNativeLink) fromBytes(bytes []byte) {`
`30`	`30`	`}`
`31`	`31`
`32`	`32`	`func (a *AbstractNonNativeLink) extractValue(content, prefix string) {`
	`33`	`+ if content == "" {`
	`34`	`+ return`
	`35`	`+ }`
	`36`	`+`
`33`	`37`	`{`
`34`	`38`	`// check if the content is a link`
`35`	`39`	`match, err := regexp.Match("[a-zA-Z0-9]+:((\\/\\/)\|\\?)", []byte(content))`