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cbf16f6d9e
* caddyhttp: Implement named routes, `invoke` directive * gofmt * Add experimental marker * Adjust route compile comments
57 lines
1.6 KiB
Go
57 lines
1.6 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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"github.com/caddyserver/caddy/v2"
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)
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func init() {
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caddy.RegisterModule(Invoke{})
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}
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// Invoke implements a handler that compiles and executes a
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// named route that was defined on the server.
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//
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// EXPERIMENTAL: Subject to change or removal.
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type Invoke struct {
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// Name is the key of the named route to execute
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Name string `json:"name,omitempty"`
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}
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// CaddyModule returns the Caddy module information.
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func (Invoke) CaddyModule() caddy.ModuleInfo {
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return caddy.ModuleInfo{
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ID: "http.handlers.invoke",
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New: func() caddy.Module { return new(Invoke) },
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}
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}
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func (invoke *Invoke) ServeHTTP(w http.ResponseWriter, r *http.Request, next Handler) error {
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server := r.Context().Value(ServerCtxKey).(*Server)
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if route, ok := server.NamedRoutes[invoke.Name]; ok {
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return route.Compile(next).ServeHTTP(w, r)
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}
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return fmt.Errorf("invoke: route '%s' not found", invoke.Name)
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}
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// Interface guards
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var (
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_ MiddlewareHandler = (*Invoke)(nil)
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)
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