134 lines
4.1 KiB
Go
134 lines
4.1 KiB
Go
package ui
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import (
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"flag"
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"io"
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"io/ioutil"
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"log"
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"net/http"
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"net/url"
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"path"
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"strings"
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"text/template"
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"github.com/gin-gonic/gin"
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"git.happydns.org/happydomain/config"
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)
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var (
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indexTpl *template.Template
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CustomHeadHTML = ""
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CustomBodyHTML = ""
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)
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func init() {
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flag.StringVar(&CustomHeadHTML, "custom-head-html", CustomHeadHTML, "Add custom HTML right before </head>")
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flag.StringVar(&CustomBodyHTML, "custom-body-html", CustomBodyHTML, "Add custom HTML right before </body>")
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}
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func DeclareRoutes(cfg *config.Options, router *gin.Engine) {
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if cfg.DevProxy != "" {
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router.GET("/.svelte-kit/*_", serveOrReverse("", cfg))
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router.GET("/node_modules/*_", serveOrReverse("", cfg))
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router.GET("/@vite/*_", serveOrReverse("", cfg))
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router.GET("/@fs/*_", serveOrReverse("", cfg))
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router.GET("/src/*_", serveOrReverse("", cfg))
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}
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router.GET("/_app/*_", serveOrReverse("", cfg))
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router.GET("/", serveOrReverse("/", cfg))
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router.GET("/index.html", serveOrReverse("/", cfg))
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// Routes handled by the showcase
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router.GET("/en/*_", serveOrReverse("/", cfg))
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router.GET("/fr/*_", serveOrReverse("/", cfg))
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// Routes for real existings files
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router.GET("/css/*path", serveOrReverse("", cfg))
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router.GET("/fonts/*path", serveOrReverse("", cfg))
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router.GET("/img/*path", serveOrReverse("", cfg))
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router.GET("/js/*path", serveOrReverse("", cfg))
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router.GET("/favicon.ico", serveOrReverse("", cfg))
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router.GET("/manifest.json", serveOrReverse("", cfg))
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router.GET("/robots.txt", serveOrReverse("", cfg))
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router.GET("/service-worker.js", serveOrReverse("", cfg))
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// Routes to virtual content
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router.GET("/domains/*_", serveOrReverse("/", cfg))
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router.GET("/email-validation", serveOrReverse("/", cfg))
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router.GET("/forgotten-password", serveOrReverse("/", cfg))
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router.GET("/join", serveOrReverse("/", cfg))
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router.GET("/login", serveOrReverse("/", cfg))
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router.GET("/me", serveOrReverse("/", cfg))
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router.GET("/onboarding/*_", serveOrReverse("/", cfg))
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router.GET("/providers/*_", serveOrReverse("/", cfg))
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router.GET("/services/*_", serveOrReverse("/", cfg))
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router.GET("/tools/*_", serveOrReverse("/", cfg))
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router.GET("/resolver/*_", serveOrReverse("/", cfg))
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router.GET("/zones/*_", serveOrReverse("/", cfg))
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}
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func serveOrReverse(forced_url string, cfg *config.Options) gin.HandlerFunc {
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if cfg.DevProxy != "" {
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// Forward to the Vue dev proxy
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return func(c *gin.Context) {
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if u, err := url.Parse(cfg.DevProxy); err != nil {
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http.Error(c.Writer, err.Error(), http.StatusInternalServerError)
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} else {
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if forced_url != "" {
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u.Path = path.Join(u.Path, forced_url)
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} else {
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u.Path = path.Join(u.Path, c.Request.URL.Path)
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}
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if r, err := http.NewRequest(c.Request.Method, u.String(), c.Request.Body); err != nil {
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http.Error(c.Writer, err.Error(), http.StatusInternalServerError)
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} else if resp, err := http.DefaultClient.Do(r); err != nil {
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http.Error(c.Writer, err.Error(), http.StatusBadGateway)
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} else {
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defer resp.Body.Close()
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for key := range resp.Header {
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c.Writer.Header().Add(key, resp.Header.Get(key))
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}
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c.Writer.WriteHeader(resp.StatusCode)
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io.Copy(c.Writer, resp.Body)
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}
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}
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}
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} else if forced_url == "/" {
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// Serve altered index.html
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return func(c *gin.Context) {
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if indexTpl == nil {
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// Create template from file
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f, _ := Assets.Open("index.html")
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v, _ := ioutil.ReadAll(f)
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v2 := strings.Replace(strings.Replace(string(v), "</head>", "{{ .Head }}</head>", 1), "</body>", "{{ .Body }}</body>", 1)
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indexTpl = template.Must(template.New("index.html").Parse(v2))
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}
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// Serve template
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if err := indexTpl.ExecuteTemplate(c.Writer, "index.html", map[string]string{
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"Body": CustomBodyHTML,
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"Head": CustomHeadHTML,
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}); err != nil {
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log.Println("Unable to return index.html:", err.Error())
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}
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}
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} else if forced_url != "" {
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// Serve forced_url
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return func(c *gin.Context) {
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c.FileFromFS(forced_url, Assets)
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}
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} else {
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// Serve requested file
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return func(c *gin.Context) {
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c.FileFromFS(c.Request.URL.Path, Assets)
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}
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}
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}
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