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use IsLoopback (#19477)
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
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1 changed files with 1 additions and 23 deletions
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@ -13,32 +13,10 @@ import (
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"code.gitea.io/gitea/modules/setting"
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)
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var loopbackIPBlocks []*net.IPNet
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var externalTrackerRegex = regexp.MustCompile(`({?)(?:user|repo|index)+?(}?)`)
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func init() {
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for _, cidr := range []string{
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"127.0.0.0/8", // IPv4 loopback
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"::1/128", // IPv6 loopback
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} {
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if _, block, err := net.ParseCIDR(cidr); err == nil {
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loopbackIPBlocks = append(loopbackIPBlocks, block)
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}
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}
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}
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func isLoopbackIP(ip string) bool {
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pip := net.ParseIP(ip)
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if pip == nil {
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return false
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}
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for _, block := range loopbackIPBlocks {
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if block.Contains(pip) {
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return true
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}
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}
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return false
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return net.ParseIP(ip).IsLoopback()
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}
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// IsValidURL checks if URL is valid
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