2019-05-04 14:21:20 -05:00
|
|
|
package caddyhttp
|
|
|
|
|
|
|
|
import (
|
2019-05-20 11:59:20 -05:00
|
|
|
"fmt"
|
2019-05-07 10:56:13 -05:00
|
|
|
"net"
|
2019-05-04 14:21:20 -05:00
|
|
|
"net/http"
|
2019-05-20 11:59:20 -05:00
|
|
|
"path"
|
2019-05-04 14:21:20 -05:00
|
|
|
"strings"
|
2019-05-14 15:14:05 -05:00
|
|
|
|
2019-06-14 12:58:28 -05:00
|
|
|
"github.com/caddyserver/caddy"
|
2019-05-04 14:21:20 -05:00
|
|
|
)
|
|
|
|
|
2019-05-20 11:59:20 -05:00
|
|
|
// TODO: A simple way to format or escape or encode each value would be nice
|
|
|
|
// ... TODO: Should we just use templates? :-/ yeesh...
|
|
|
|
|
2019-06-14 12:58:28 -05:00
|
|
|
func addHTTPVarsToReplacer(repl caddy.Replacer, req *http.Request, w http.ResponseWriter) {
|
2019-05-20 11:59:20 -05:00
|
|
|
httpVars := func() map[string]string {
|
|
|
|
m := make(map[string]string)
|
|
|
|
if req != nil {
|
|
|
|
m["http.request.host"] = func() string {
|
|
|
|
host, _, err := net.SplitHostPort(req.Host)
|
|
|
|
if err != nil {
|
|
|
|
return req.Host // OK; there probably was no port
|
|
|
|
}
|
|
|
|
return host
|
|
|
|
}()
|
|
|
|
m["http.request.hostport"] = req.Host // may include both host and port
|
|
|
|
m["http.request.method"] = req.Method
|
|
|
|
m["http.request.port"] = func() string {
|
|
|
|
// if there is no port, there will be an error; in
|
|
|
|
// that case, port is the empty string anyway
|
|
|
|
_, port, _ := net.SplitHostPort(req.Host)
|
|
|
|
return port
|
|
|
|
}()
|
|
|
|
m["http.request.scheme"] = func() string {
|
|
|
|
if req.TLS != nil {
|
|
|
|
return "https"
|
|
|
|
}
|
|
|
|
return "http"
|
|
|
|
}()
|
|
|
|
m["http.request.uri"] = req.URL.RequestURI()
|
|
|
|
m["http.request.uri.path"] = req.URL.Path
|
|
|
|
m["http.request.uri.path.file"] = func() string {
|
|
|
|
_, file := path.Split(req.URL.Path)
|
|
|
|
return file
|
|
|
|
}()
|
|
|
|
m["http.request.uri.path.dir"] = func() string {
|
|
|
|
dir, _ := path.Split(req.URL.Path)
|
|
|
|
return dir
|
|
|
|
}()
|
2019-05-21 14:10:14 -05:00
|
|
|
m["http.request.uri.query"] = req.URL.RawQuery
|
2019-05-20 11:59:20 -05:00
|
|
|
|
2019-05-21 14:10:14 -05:00
|
|
|
for param, vals := range req.URL.Query() {
|
|
|
|
m["http.request.uri.query."+param] = strings.Join(vals, ",")
|
|
|
|
}
|
2019-05-20 11:59:20 -05:00
|
|
|
for field, vals := range req.Header {
|
|
|
|
m["http.request.header."+strings.ToLower(field)] = strings.Join(vals, ",")
|
2019-05-07 10:56:13 -05:00
|
|
|
}
|
2019-05-20 11:59:20 -05:00
|
|
|
for _, cookie := range req.Cookies() {
|
|
|
|
m["http.request.cookie."+cookie.Name] = cookie.Value
|
|
|
|
}
|
2019-05-04 14:21:20 -05:00
|
|
|
|
2019-05-20 11:59:20 -05:00
|
|
|
hostLabels := strings.Split(req.Host, ".")
|
|
|
|
for i, label := range hostLabels {
|
|
|
|
key := fmt.Sprintf("http.request.host.labels.%d", len(hostLabels)-i-1)
|
|
|
|
m[key] = label
|
|
|
|
}
|
2019-05-16 12:46:17 -05:00
|
|
|
}
|
|
|
|
|
2019-05-20 11:59:20 -05:00
|
|
|
if w != nil {
|
|
|
|
for field, vals := range w.Header() {
|
|
|
|
m["http.response.header."+strings.ToLower(field)] = strings.Join(vals, ",")
|
|
|
|
}
|
2019-05-14 15:14:05 -05:00
|
|
|
}
|
2019-05-04 14:21:20 -05:00
|
|
|
|
2019-05-20 11:59:20 -05:00
|
|
|
return m
|
|
|
|
}
|
2019-05-04 14:21:20 -05:00
|
|
|
|
2019-05-20 11:59:20 -05:00
|
|
|
repl.Map(httpVars)
|
|
|
|
}
|