Browse Source
caddyhttp: Add {http.request.body} placeholder
master
Matthew Holt
5 years ago
No known key found for this signature in database
GPG Key ID: 2A349DD577D586A5
2 changed files with
22 additions and
0 deletions
-
modules/caddyhttp/app.go
-
modules/caddyhttp/replacer.go
|
|
@ -47,6 +47,7 @@ func init() { |
|
|
|
//
|
|
|
|
// Placeholder | Description
|
|
|
|
// ------------|---------------
|
|
|
|
// `{http.request.body}` | The request body (⚠️ inefficient; use only for debugging)
|
|
|
|
// `{http.request.cookie.*}` | HTTP request cookie
|
|
|
|
// `{http.request.header.*}` | Specific request header field
|
|
|
|
// `{http.request.host.labels.*}` | Request host labels (0-based from right); e.g. for foo.example.com: 0=com, 1=example, 2=foo
|
|
|
|
|
|
@ -15,6 +15,7 @@ |
|
|
|
package caddyhttp |
|
|
|
|
|
|
|
import ( |
|
|
|
"bytes" |
|
|
|
"context" |
|
|
|
"crypto/ecdsa" |
|
|
|
"crypto/ed25519" |
|
|
@ -25,6 +26,8 @@ import ( |
|
|
|
"crypto/x509" |
|
|
|
"encoding/asn1" |
|
|
|
"fmt" |
|
|
|
"io" |
|
|
|
"io/ioutil" |
|
|
|
"net" |
|
|
|
"net/http" |
|
|
|
"net/textproto" |
|
|
@ -136,6 +139,24 @@ func addHTTPVarsToReplacer(repl *caddy.Replacer, req *http.Request, w http.Respo |
|
|
|
return dir, true |
|
|
|
case "http.request.uri.query": |
|
|
|
return req.URL.RawQuery, true |
|
|
|
case "http.request.body": |
|
|
|
if req.Body == nil { |
|
|
|
return "", true |
|
|
|
} |
|
|
|
// normally net/http will close the body for us, but since we
|
|
|
|
// are replacing it with a fake one, we have to ensure we close
|
|
|
|
// the real body ourselves when we're done
|
|
|
|
defer req.Body.Close() |
|
|
|
// read the request body into a buffer (can't pool because we
|
|
|
|
// don't know its lifetime and would have to make a copy anyway)
|
|
|
|
buf := new(bytes.Buffer) |
|
|
|
_, err := io.Copy(buf, req.Body) |
|
|
|
if err != nil { |
|
|
|
return "", true |
|
|
|
} |
|
|
|
// replace real body with buffered data
|
|
|
|
req.Body = ioutil.NopCloser(buf) |
|
|
|
return buf.String(), true |
|
|
|
|
|
|
|
// original request, before any internal changes
|
|
|
|
case "http.request.orig_method": |
|
|
|