mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-12-15 03:36:37 +00:00
102 lines
2.5 KiB
Go
102 lines
2.5 KiB
Go
// Copyright 2015 go-swagger maintainers
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package middleware
|
|
|
|
import (
|
|
"net/http"
|
|
"path"
|
|
)
|
|
|
|
const (
|
|
contentTypeHeader = "Content-Type"
|
|
applicationJSON = "application/json"
|
|
)
|
|
|
|
// SpecOption can be applied to the Spec serving middleware
|
|
type SpecOption func(*specOptions)
|
|
|
|
var defaultSpecOptions = specOptions{
|
|
Path: "",
|
|
Document: "swagger.json",
|
|
}
|
|
|
|
type specOptions struct {
|
|
Path string
|
|
Document string
|
|
}
|
|
|
|
func specOptionsWithDefaults(opts []SpecOption) specOptions {
|
|
o := defaultSpecOptions
|
|
for _, apply := range opts {
|
|
apply(&o)
|
|
}
|
|
|
|
return o
|
|
}
|
|
|
|
// Spec creates a middleware to serve a swagger spec as a JSON document.
|
|
//
|
|
// This allows for altering the spec before starting the http listener.
|
|
//
|
|
// The basePath argument indicates the path of the spec document (defaults to "/").
|
|
// Additional SpecOption can be used to change the name of the document (defaults to "swagger.json").
|
|
func Spec(basePath string, b []byte, next http.Handler, opts ...SpecOption) http.Handler {
|
|
if basePath == "" {
|
|
basePath = "/"
|
|
}
|
|
o := specOptionsWithDefaults(opts)
|
|
pth := path.Join(basePath, o.Path, o.Document)
|
|
|
|
return http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
|
|
if path.Clean(r.URL.Path) == pth {
|
|
rw.Header().Set(contentTypeHeader, applicationJSON)
|
|
rw.WriteHeader(http.StatusOK)
|
|
_, _ = rw.Write(b)
|
|
|
|
return
|
|
}
|
|
|
|
if next != nil {
|
|
next.ServeHTTP(rw, r)
|
|
|
|
return
|
|
}
|
|
|
|
rw.Header().Set(contentTypeHeader, applicationJSON)
|
|
rw.WriteHeader(http.StatusNotFound)
|
|
})
|
|
}
|
|
|
|
// WithSpecPath sets the path to be joined to the base path of the Spec middleware.
|
|
//
|
|
// This is empty by default.
|
|
func WithSpecPath(pth string) SpecOption {
|
|
return func(o *specOptions) {
|
|
o.Path = pth
|
|
}
|
|
}
|
|
|
|
// WithSpecDocument sets the name of the JSON document served as a spec.
|
|
//
|
|
// By default, this is "swagger.json"
|
|
func WithSpecDocument(doc string) SpecOption {
|
|
return func(o *specOptions) {
|
|
if doc == "" {
|
|
return
|
|
}
|
|
|
|
o.Document = doc
|
|
}
|
|
}
|