mirror of https://github.com/caddyserver/caddy.git
81 lines
2.1 KiB
Go
81 lines
2.1 KiB
Go
package caddyhttp
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import (
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"fmt"
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"net"
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"net/http"
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"path"
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"strings"
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"github.com/caddyserver/caddy2"
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)
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// TODO: A simple way to format or escape or encode each value would be nice
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// ... TODO: Should we just use templates? :-/ yeesh...
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func addHTTPVarsToReplacer(repl caddy2.Replacer, req *http.Request, w http.ResponseWriter) {
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httpVars := func() map[string]string {
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m := make(map[string]string)
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if req != nil {
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m["http.request.host"] = func() string {
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host, _, err := net.SplitHostPort(req.Host)
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if err != nil {
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return req.Host // OK; there probably was no port
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}
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return host
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}()
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m["http.request.hostport"] = req.Host // may include both host and port
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m["http.request.method"] = req.Method
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m["http.request.port"] = func() string {
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// if there is no port, there will be an error; in
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// that case, port is the empty string anyway
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_, port, _ := net.SplitHostPort(req.Host)
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return port
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}()
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m["http.request.scheme"] = func() string {
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if req.TLS != nil {
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return "https"
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}
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return "http"
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}()
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m["http.request.uri"] = req.URL.RequestURI()
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m["http.request.uri.path"] = req.URL.Path
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m["http.request.uri.path.file"] = func() string {
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_, file := path.Split(req.URL.Path)
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return file
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}()
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m["http.request.uri.path.dir"] = func() string {
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dir, _ := path.Split(req.URL.Path)
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return dir
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}()
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m["http.request.uri.query"] = req.URL.RawQuery
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for param, vals := range req.URL.Query() {
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m["http.request.uri.query."+param] = strings.Join(vals, ",")
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}
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for field, vals := range req.Header {
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m["http.request.header."+strings.ToLower(field)] = strings.Join(vals, ",")
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}
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for _, cookie := range req.Cookies() {
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m["http.request.cookie."+cookie.Name] = cookie.Value
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}
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hostLabels := strings.Split(req.Host, ".")
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for i, label := range hostLabels {
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key := fmt.Sprintf("http.request.host.labels.%d", len(hostLabels)-i-1)
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m[key] = label
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}
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}
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if w != nil {
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for field, vals := range w.Header() {
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m["http.response.header."+strings.ToLower(field)] = strings.Join(vals, ",")
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}
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}
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return m
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}
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repl.Map(httpVars)
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}
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