mirror of
https://github.com/caddyserver/caddy.git
synced 2024-11-30 20:54:04 +08:00
ab885f07b8
Along with several other changes, such as renaming caddyhttp.ServerRoute to caddyhttp.Route, exporting some types that were not exported before, and tweaking the caddytls TLS values to be more consistent. Notably, we also now disable automatic cert management for names which already have a cert (manually) loaded into the cache. These names no longer need to be specified in the "skip_certificates" field of the automatic HTTPS config, because they will be skipped automatically.
121 lines
3.0 KiB
Go
121 lines
3.0 KiB
Go
// Copyright 2015 Matthew Holt and The Caddy Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package caddyhttp
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import (
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"fmt"
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"net/http"
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"strconv"
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"github.com/caddyserver/caddy/v2"
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"github.com/caddyserver/caddy/v2/caddyconfig/caddyfile"
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)
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func init() {
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caddy.RegisterModule(caddy.Module{
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Name: "http.handlers.static_response",
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New: func() interface{} { return new(StaticResponse) },
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})
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}
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// StaticResponse implements a simple responder for static responses.
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type StaticResponse struct {
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StatusCode WeakString `json:"status_code,omitempty"`
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Headers http.Header `json:"headers,omitempty"`
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Body string `json:"body,omitempty"`
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Close bool `json:"close,omitempty"`
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}
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// UnmarshalCaddyfile sets up the handler from Caddyfile tokens. Syntax:
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//
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// static_response [<matcher>] <status> {
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// body <text>
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// close
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// }
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//
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func (s *StaticResponse) UnmarshalCaddyfile(d *caddyfile.Dispenser) error {
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for d.Next() {
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var statusCodeStr string
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if d.Args(&statusCodeStr) {
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s.StatusCode = WeakString(statusCodeStr)
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}
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for d.NextBlock() {
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switch d.Val() {
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case "body":
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if s.Body != "" {
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return d.Err("body already specified")
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}
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if !d.Args(&s.Body) {
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return d.ArgErr()
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}
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case "close":
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if s.Close {
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return d.Err("close already specified")
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}
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s.Close = true
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}
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}
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}
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return nil
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}
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// Bucket returns the HTTP Caddyfile handler bucket number.
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func (StaticResponse) Bucket() int { return 7 }
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func (s StaticResponse) ServeHTTP(w http.ResponseWriter, r *http.Request, _ Handler) error {
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repl := r.Context().Value(caddy.ReplacerCtxKey).(caddy.Replacer)
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// close the connection after responding
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r.Close = s.Close
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// set all headers
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for field, vals := range s.Headers {
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field = repl.ReplaceAll(field, "")
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newVals := make([]string, len(vals))
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for i := range vals {
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newVals[i] = repl.ReplaceAll(vals[i], "")
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}
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w.Header()[field] = newVals
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}
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// do not allow Go to sniff the content-type
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if w.Header().Get("Content-Type") == "" {
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w.Header()["Content-Type"] = nil
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}
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// get the status code
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statusCode := http.StatusOK
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if codeStr := s.StatusCode.String(); codeStr != "" {
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intVal, err := strconv.Atoi(repl.ReplaceAll(codeStr, ""))
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if err != nil {
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return Error(http.StatusInternalServerError, err)
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}
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statusCode = intVal
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}
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// write headers
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w.WriteHeader(statusCode)
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// write response body
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if s.Body != "" {
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fmt.Fprint(w, repl.ReplaceAll(s.Body, ""))
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}
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return nil
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}
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// Interface guard
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var _ MiddlewareHandler = (*StaticResponse)(nil)
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