d1353e1f7c
* 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
90 lines
2.2 KiB
Go
Vendored
90 lines
2.2 KiB
Go
Vendored
package middleware
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import (
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"bytes"
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"fmt"
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"html/template"
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"net/http"
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"path"
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)
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// RapiDocOpts configures the RapiDoc middlewares
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type RapiDocOpts struct {
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// BasePath for the UI path, defaults to: /
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BasePath string
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// Path combines with BasePath for the full UI path, defaults to: docs
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Path string
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// SpecURL the url to find the spec for
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SpecURL string
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// RapiDocURL for the js that generates the rapidoc site, defaults to: https://cdn.jsdelivr.net/npm/rapidoc/bundles/rapidoc.standalone.js
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RapiDocURL string
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// Title for the documentation site, default to: API documentation
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Title string
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}
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// EnsureDefaults in case some options are missing
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func (r *RapiDocOpts) EnsureDefaults() {
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if r.BasePath == "" {
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r.BasePath = "/"
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}
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if r.Path == "" {
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r.Path = "docs"
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}
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if r.SpecURL == "" {
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r.SpecURL = "/swagger.json"
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}
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if r.RapiDocURL == "" {
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r.RapiDocURL = rapidocLatest
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}
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if r.Title == "" {
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r.Title = "API documentation"
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}
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}
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// RapiDoc creates a middleware to serve a documentation site for a swagger spec.
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// This allows for altering the spec before starting the http listener.
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//
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func RapiDoc(opts RapiDocOpts, next http.Handler) http.Handler {
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opts.EnsureDefaults()
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pth := path.Join(opts.BasePath, opts.Path)
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tmpl := template.Must(template.New("rapidoc").Parse(rapidocTemplate))
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buf := bytes.NewBuffer(nil)
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_ = tmpl.Execute(buf, opts)
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b := buf.Bytes()
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return http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
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if r.URL.Path == pth {
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rw.Header().Set("Content-Type", "text/html; charset=utf-8")
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rw.WriteHeader(http.StatusOK)
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_, _ = rw.Write(b)
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return
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}
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if next == nil {
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rw.Header().Set("Content-Type", "text/plain")
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rw.WriteHeader(http.StatusNotFound)
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_, _ = rw.Write([]byte(fmt.Sprintf("%q not found", pth)))
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return
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}
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next.ServeHTTP(rw, r)
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})
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}
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const (
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rapidocLatest = "https://unpkg.com/rapidoc/dist/rapidoc-min.js"
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rapidocTemplate = `<!doctype html>
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<html>
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<head>
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<title>{{ .Title }}</title>
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<meta charset="utf-8"> <!-- Important: rapi-doc uses utf8 charecters -->
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<script type="module" src="{{ .RapiDocURL }}"></script>
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</head>
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<body>
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<rapi-doc spec-url="{{ .SpecURL }}"></rapi-doc>
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</body>
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</html>
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`
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)
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