100 lines
2.0 KiB
Go
100 lines
2.0 KiB
Go
package main
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import (
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"bytes"
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"fmt"
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"github.com/gorilla/mux"
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"html/template"
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"io/ioutil"
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"net/http"
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"os"
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"path"
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"mime"
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)
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func redirectLogin(w http.ResponseWriter, r *http.Request) {
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http.Redirect(w, r, "/login", 301)
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}
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type staticAssetPlugs struct {
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Origin string
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}
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type staticHtmlPlugs struct {
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CdnPrefix string
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}
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func initStaticRouter(router *mux.Router) error {
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asset := make(map[string]string)
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for _, dir := range []string{"js", "css", "images"} {
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files, err := ioutil.ReadDir("./" + dir)
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if err != nil {
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logger.Errorf("cannot read directory ./%s: %v", dir, err)
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return err
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}
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for _, file := range files {
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sl := string(os.PathSeparator)
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p := sl + dir + sl + file.Name()
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contents, err := ioutil.ReadFile("." + p)
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if err != nil {
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logger.Errorf("cannot read file %s: %v", p, err)
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return err
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}
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prefix := ""
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if dir == "js" {
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prefix = "window.origin='" + os.Getenv("ORIGIN") + "';\n"
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prefix += "window.cdn='" + os.Getenv("CDN_PREFIX") + "';\n"
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}
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asset[p] = prefix + string(contents);
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router.HandleFunc(p, func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", mime.TypeByExtension(path.Ext(r.URL.Path)))
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fmt.Fprint(w, asset[r.URL.Path])
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})
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}
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}
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pages := []string{
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"login",
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"signup",
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"dashboard",
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"logout",
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"account",
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}
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html := make(map[string]string)
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for _, page := range pages {
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contents, err := ioutil.ReadFile(page + ".html")
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if err != nil {
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logger.Errorf("cannot read file %s.html: %v", page, err)
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return err
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}
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t, err := template.New(page).Delims("<<<", ">>>").Parse(string(contents))
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if err != nil {
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logger.Errorf("cannot parse /%s template: %v", page, err)
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return err
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}
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var buf bytes.Buffer
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t.Execute(&buf, &staticHtmlPlugs{CdnPrefix: os.Getenv("CDN_PREFIX")})
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html["/" + page] = buf.String()
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}
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for _, page := range pages {
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router.HandleFunc("/" + page, func(w http.ResponseWriter, r *http.Request) {
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fmt.Fprint(w, html[r.URL.Path])
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})
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}
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router.HandleFunc("/", redirectLogin)
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return nil
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}
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