143 lines
3.2 KiB
Go
143 lines
3.2 KiB
Go
package swaggerui_handler
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import (
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"embed"
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"html/template"
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"net/http"
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"path"
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"reflect"
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)
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//go:embed *.js *.css *.html *.png
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var assets embed.FS
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var (
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Handler = func(prefix string) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodGet || path.Base(r.URL.Path) != "swagger-initializer.js" {
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http.StripPrefix(prefix, http.FileServer(http.FS(assets))).ServeHTTP(w, r)
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return
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}
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tpl := template.New("swagger-initializer.js").Funcs(TemplateFuncs)
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ptpl, err := tpl.Parse(Template)
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if err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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_, _ = w.Write([]byte(err.Error()))
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return
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}
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if err := ptpl.Execute(w, Config); err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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_, _ = w.Write([]byte(err.Error()))
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return
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}
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}
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}
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TemplateFuncs = template.FuncMap{
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"isInt": func(i interface{}) bool {
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v := reflect.ValueOf(i)
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switch v.Kind() {
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case reflect.Int, reflect.Int8, reflect.Int32, reflect.Int64, reflect.Uint, reflect.Uint8, reflect.Uint32, reflect.Uint64, reflect.Float32, reflect.Float64:
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return true
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default:
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return false
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}
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},
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"isBool": func(i interface{}) bool {
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v := reflect.ValueOf(i)
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switch v.Kind() {
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case reflect.Bool:
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return true
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default:
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return false
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}
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},
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"isString": func(i interface{}) bool {
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v := reflect.ValueOf(i)
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switch v.Kind() {
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case reflect.String:
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return true
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default:
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return false
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}
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},
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"isSlice": func(i interface{}) bool {
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v := reflect.ValueOf(i)
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switch v.Kind() {
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case reflect.Slice:
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return true
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default:
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return false
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}
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},
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"isMap": func(i interface{}) bool {
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v := reflect.ValueOf(i)
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switch v.Kind() {
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case reflect.Map:
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return true
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default:
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return false
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}
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},
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}
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Template = `
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window.onload = function() {
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//<editor-fold desc="Changeable Configuration Block">
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window.ui = SwaggerUIBundle({
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{{- range $k, $v := . }}
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{{- if (eq (printf "%s" $v) "") -}}
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{{- continue -}}
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{{ end }}
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{{ $k }}: {{ if isBool $v -}}
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{{- $v -}},
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{{- else if isInt $v -}}
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{{- $v -}},
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{{- else if isString $v -}}
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"{{- $v -}}",
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{{- else if and (isSlice $v) (or (eq (printf "%s" $k) "presets") (eq (printf "%s" $k) "plugins")) -}}
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[
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{{- range $v }}
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{{ . }},
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{{- end }}
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],
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{{- end -}}
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{{ end }}
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});
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//</editor-fold>
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};`
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Config = map[string]interface{}{
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"configUrl": "",
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"dom_id": "#swagger-ui",
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/*
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"domNode": "",
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"spec": "",
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"urls": []interface{}{
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map[string]interface{}{
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"url": "",
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"name": "",
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},
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},
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},
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*/
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"url": "https://petstore.swagger.io/v2/swagger.json",
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"deepLinking": true,
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"displayOperationId": false,
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"defaultModelsExpandDepth": 1,
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"defaultModelExpandDepth": 1,
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"displayRequestDuration": true,
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"filter": true,
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"operationsSorter": "alpha",
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"showExtensions": true,
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"tryItOutEnabled": true,
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"presets": []string{
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"SwaggerUIBundle.presets.apis",
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"SwaggerUIStandalonePreset",
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},
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"plugins": []string{
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"SwaggerUIBundle.plugins.DownloadUrl",
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},
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"layout": "StandaloneLayout",
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}
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)
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