97 lines
2.2 KiB
Go
97 lines
2.2 KiB
Go
package main
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import (
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"io"
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"log"
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"net/http"
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"strings"
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"github.com/GeertJohan/go.rice"
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"github.com/julienschmidt/httprouter"
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)
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// Web Client
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// Handle assets and client app preprarations
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// Prepare client HTML:
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// Set paths and add version to assets.
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func webPrepareClientHtml(html string) string {
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status, _ := NewAppStatus()
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// Replace paths and tags
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rewriter := strings.NewReplacer(
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// Paths
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"js/", "/static/js/",
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"css/", "/static/css/",
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// Tags
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"APP_VERSION", status.Version,
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)
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html = rewriter.Replace(html)
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return html
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}
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// Register assets handler and index handler
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// at /static and /
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func webRegisterAssets(ui UiConfig, router *httprouter.Router) error {
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log.Println("Preparing and installing assets")
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// Serve static assets
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assets := rice.MustFindBox("../client/build")
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assetsHandler := http.StripPrefix(
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"/static/",
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http.FileServer(assets.HTTPBox()))
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// Prepare client html: Rewrite paths
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indexHtml, err := assets.String("index.html")
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if err != nil {
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return err
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}
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theme := NewTheme(ui.Theme)
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err = theme.RegisterThemeAssets(router)
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if err != nil {
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log.Println("Warning:", err)
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}
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// Update paths
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indexHtml = webPrepareClientHtml(indexHtml)
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// Register static assets
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router.Handler("GET", "/static/*path", assetsHandler)
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// Rewrite paths
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// Serve index html as root...
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router.GET("/",
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func(res http.ResponseWriter, _ *http.Request, _ httprouter.Params) {
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// Include theme, we need to update the
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// hashes on reload, so we can check if the theme has
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// changed without restarting the app
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themedHtml := theme.PrepareClientHtml(indexHtml)
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io.WriteString(res, themedHtml)
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})
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// ...and all alice related paths aswell
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alicePaths := []string{
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"/routeservers/*path",
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"/search/*path",
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}
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for _, path := range alicePaths {
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// respond with app html
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router.GET(path,
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func(res http.ResponseWriter, _ *http.Request, _ httprouter.Params) {
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// ditto here
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themedHtml := theme.PrepareClientHtml(indexHtml)
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io.WriteString(res, themedHtml)
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})
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}
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// ...install a catch all for /alice for graceful backwards compatibility
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router.GET("/alice/*path",
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func(res http.ResponseWriter, req *http.Request, _ httprouter.Params) {
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http.Redirect(res, req, "/", 301)
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})
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return nil
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}
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