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add explanation 🦀

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This commit is contained in:
Manu Mtz.-Almeida 2021-02-08 14:24:48 +01:00
parent ffe7ac09d0
commit 2d426b64c3
1 changed files with 5 additions and 1 deletions
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6
context.go
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@ -777,7 +777,7 @@ func (c *Context) RemoteIP() (net.IP, bool) {
func validateHeader(header string) (clientIP string, valid bool) {
if header == "" {
return
return "", false
}
items := strings.Split(header, ",")
for i, ipStr := range items {
@ -786,6 +786,10 @@ func validateHeader(header string) (clientIP string, valid bool) {
if ip == nil {
return "", false
}
// We need to return the first IP in the list, but,
// we should not early return since we need to validate that
// the rest of the header is syntactically valid
if i == 0 {
clientIP = ipStr
valid = true