2021-10-30 08:29:53 -06:00
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package headscale
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import (
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"bytes"
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_ "embed"
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"html/template"
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"net/http"
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2021-11-13 01:39:04 -07:00
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"github.com/rs/zerolog/log"
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)
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//go:embed gen/openapiv2/headscale/v1/headscale.swagger.json
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var apiV1JSON []byte
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func SwaggerUI(
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writer http.ResponseWriter,
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req *http.Request,
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) {
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swaggerTemplate := template.Must(template.New("swagger").Parse(`
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<html>
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<head>
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<link rel="stylesheet" type="text/css" href="https://unpkg.com/swagger-ui-dist@3/swagger-ui.css">
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<script src="https://unpkg.com/swagger-ui-dist@3/swagger-ui-standalone-preset.js"></script>
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<script src="https://unpkg.com/swagger-ui-dist@3/swagger-ui-bundle.js" charset="UTF-8"></script>
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</head>
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<body>
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<div id="swagger-ui"></div>
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<script>
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window.addEventListener('load', (event) => {
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const ui = SwaggerUIBundle({
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url: "/swagger/v1/openapiv2.json",
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dom_id: '#swagger-ui',
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presets: [
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SwaggerUIBundle.presets.apis,
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SwaggerUIBundle.SwaggerUIStandalonePreset
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],
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plugins: [
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SwaggerUIBundle.plugins.DownloadUrl
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],
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deepLinking: true,
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// TODO(kradalby): Figure out why this does not work
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// layout: "StandaloneLayout",
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})
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window.ui = ui
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});
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</script>
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</body>
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</html>`))
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var payload bytes.Buffer
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if err := swaggerTemplate.Execute(&payload, struct{}{}); err != nil {
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log.Error().
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Caller().
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Err(err).
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Msg("Could not render Swagger")
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writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
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writer.WriteHeader(http.StatusInternalServerError)
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_, err := writer.Write([]byte("Could not render Swagger"))
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if err != nil {
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log.Error().
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Caller().
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Err(err).
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Msg("Failed to write response")
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}
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return
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}
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writer.Header().Set("Content-Type", "text/html; charset=utf-8")
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writer.WriteHeader(http.StatusOK)
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_, err := writer.Write(payload.Bytes())
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if err != nil {
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log.Error().
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Caller().
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Err(err).
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Msg("Failed to write response")
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}
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}
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func SwaggerAPIv1(
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writer http.ResponseWriter,
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req *http.Request,
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) {
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writer.Header().Set("Content-Type", "application/json; charset=utf-88")
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writer.WriteHeader(http.StatusOK)
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if _, err := writer.Write(apiV1JSON); err != nil {
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log.Error().
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Caller().
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Err(err).
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Msg("Failed to write response")
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}
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}
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