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gitea/vendor/github.com/go-openapi/runtime/middleware/rapidoc.go
6543 d1353e1f7c
Vendor Update (#14496)
* update code.gitea.io/sdk/gitea v0.13.1 -> v0.13.2

* update github.com/go-swagger/go-swagger v0.25.0 -> v0.26.0

* update github.com/google/uuid v1.1.2 -> v1.2.0

* update github.com/klauspost/compress v1.11.3 -> v1.11.7

* update github.com/lib/pq 083382b7e6fc -> v1.9.0

* update github.com/markbates/goth v1.65.0 -> v1.66.1

* update github.com/mattn/go-sqlite3 v1.14.4 -> v1.14.6

* update github.com/mgechev/revive 246eac737dc7 -> v1.0.3

* update github.com/minio/minio-go/v7 v7.0.6 -> v7.0.7

* update github.com/niklasfasching/go-org v1.3.2 -> v1.4.0

* update github.com/olivere/elastic/v7 v7.0.21 -> v7.0.22

* update github.com/pquerna/otp v1.2.0 -> v1.3.0

* update github.com/xanzy/go-gitlab v0.39.0 -> v0.42.0

* update github.com/yuin/goldmark v1.2.1 -> v1.3.1
2021-01-28 17:56:38 +01:00

91 lines
2.2 KiB
Go
Vendored

package middleware
import (
"bytes"
"fmt"
"html/template"
"net/http"
"path"
)
// RapiDocOpts configures the RapiDoc middlewares
type RapiDocOpts struct {
// BasePath for the UI path, defaults to: /
BasePath string
// Path combines with BasePath for the full UI path, defaults to: docs
Path string
// SpecURL the url to find the spec for
SpecURL string
// RapiDocURL for the js that generates the rapidoc site, defaults to: https://cdn.jsdelivr.net/npm/rapidoc/bundles/rapidoc.standalone.js
RapiDocURL string
// Title for the documentation site, default to: API documentation
Title string
}
// EnsureDefaults in case some options are missing
func (r *RapiDocOpts) EnsureDefaults() {
if r.BasePath == "" {
r.BasePath = "/"
}
if r.Path == "" {
r.Path = "docs"
}
if r.SpecURL == "" {
r.SpecURL = "/swagger.json"
}
if r.RapiDocURL == "" {
r.RapiDocURL = rapidocLatest
}
if r.Title == "" {
r.Title = "API documentation"
}
}
// RapiDoc creates a middleware to serve a documentation site for a swagger spec.
// This allows for altering the spec before starting the http listener.
//
func RapiDoc(opts RapiDocOpts, next http.Handler) http.Handler {
opts.EnsureDefaults()
pth := path.Join(opts.BasePath, opts.Path)
tmpl := template.Must(template.New("rapidoc").Parse(rapidocTemplate))
buf := bytes.NewBuffer(nil)
_ = tmpl.Execute(buf, opts)
b := buf.Bytes()
return http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
if r.URL.Path == pth {
rw.Header().Set("Content-Type", "text/html; charset=utf-8")
rw.WriteHeader(http.StatusOK)
_, _ = rw.Write(b)
return
}
if next == nil {
rw.Header().Set("Content-Type", "text/plain")
rw.WriteHeader(http.StatusNotFound)
_, _ = rw.Write([]byte(fmt.Sprintf("%q not found", pth)))
return
}
next.ServeHTTP(rw, r)
})
}
const (
rapidocLatest = "https://unpkg.com/rapidoc/dist/rapidoc-min.js"
rapidocTemplate = `<!doctype html>
<html>
<head>
<title>{{ .Title }}</title>
<meta charset="utf-8"> <!-- Important: rapi-doc uses utf8 charecters -->
<script type="module" src="{{ .RapiDocURL }}"></script>
</head>
<body>
<rapi-doc spec-url="{{ .SpecURL }}"></rapi-doc>
</body>
</html>
`
)