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caddyhttp: add placeholder {http.request.orig_uri.path.*} (#5161)

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XYenon 2022-10-25 01:57:50 +08:00 committed by GitHub
parent a3ae146cbd
commit ed503118dd
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1 changed files with 30 additions and 8 deletions
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22
modules/caddyhttp/replacer.go
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@ -266,6 +266,27 @@ func addHTTPVarsToReplacer(repl *caddy.Replacer, req *http.Request, w http.Respo
return pathParts[idx], true
}
// orig uri path parts
if strings.HasPrefix(key, reqOrigURIPathReplPrefix) {
idxStr := key[len(reqOrigURIPathReplPrefix):]
idx, err := strconv.Atoi(idxStr)
if err != nil {
return "", false
}
or, _ := req.Context().Value(OriginalRequestCtxKey).(http.Request)
pathParts := strings.Split(or.URL.Path, "/")
if len(pathParts) > 0 && pathParts[0] == "" {
pathParts = pathParts[1:]
}
if idx < 0 {
return "", false
}
if idx >= len(pathParts) {
return "", true
}
return pathParts[idx], true
}
// middleware variables
if strings.HasPrefix(key, varsReplPrefix) {
varName := key[len(varsReplPrefix):]
@ -479,4 +500,5 @@ const (
reqURIQueryReplPrefix = "http.request.uri.query."
respHeaderReplPrefix = "http.response.header."
varsReplPrefix = "http.vars."
reqOrigURIPathReplPrefix = "http.request.orig_uri.path."
)