101 lines
2.8 KiB
Go
101 lines
2.8 KiB
Go
package router
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import (
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"errors"
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"io"
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"reflect"
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"text/template"
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rice "github.com/GeertJohan/go.rice"
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"github.com/gorilla/sessions"
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"github.com/labstack/echo-contrib/session"
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"github.com/labstack/echo/v4"
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"github.com/labstack/echo/v4/middleware"
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"github.com/labstack/gommon/log"
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)
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// TemplateRegistry is a custom html/template renderer for Echo framework
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type TemplateRegistry struct {
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templates map[string]*template.Template
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extraData map[string]string
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}
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// Render e.Renderer interface
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func (t *TemplateRegistry) Render(w io.Writer, name string, data interface{}, c echo.Context) error {
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tmpl, ok := t.templates[name]
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if !ok {
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err := errors.New("Template not found -> " + name)
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return err
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}
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// inject more app data information. E.g. appVersion
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if reflect.TypeOf(data).Kind() == reflect.Map {
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for k, v := range t.extraData {
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data.(map[string]interface{})[k] = v
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}
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}
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// login page does not need the base layout
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if name == "login.html" {
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return tmpl.Execute(w, data)
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}
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return tmpl.ExecuteTemplate(w, "base.html", data)
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}
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// New function
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func New(tmplBox *rice.Box, extraData map[string]string, secret []byte) *echo.Echo {
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e := echo.New()
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e.Use(session.Middleware(sessions.NewCookieStore(secret)))
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// read html template file to string
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tmplBaseString, err := tmplBox.String("base.html")
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if err != nil {
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log.Fatal(err)
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}
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tmplLoginString, err := tmplBox.String("login.html")
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if err != nil {
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log.Fatal(err)
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}
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tmplClientsString, err := tmplBox.String("clients.html")
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if err != nil {
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log.Fatal(err)
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}
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tmplServerString, err := tmplBox.String("server.html")
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if err != nil {
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log.Fatal(err)
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}
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tmplGlobalSettingsString, err := tmplBox.String("global_settings.html")
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if err != nil {
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log.Fatal(err)
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}
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// create template list
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templates := make(map[string]*template.Template)
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templates["login.html"] = template.Must(template.New("login").Parse(tmplLoginString))
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templates["clients.html"] = template.Must(template.New("clients").Parse(tmplBaseString + tmplClientsString))
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templates["server.html"] = template.Must(template.New("server").Parse(tmplBaseString + tmplServerString))
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templates["global_settings.html"] = template.Must(template.New("global_settings").Parse(tmplBaseString + tmplGlobalSettingsString))
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e.Logger.SetLevel(log.DEBUG)
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e.Pre(middleware.RemoveTrailingSlash())
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e.Use(middleware.Logger())
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e.Use(middleware.CORSWithConfig(middleware.CORSConfig{
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AllowOrigins: []string{"*"},
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AllowHeaders: []string{echo.HeaderOrigin, echo.HeaderContentType, echo.HeaderAccept, echo.HeaderAuthorization},
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AllowMethods: []string{echo.GET, echo.HEAD, echo.PUT, echo.PATCH, echo.POST, echo.DELETE},
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}))
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e.HideBanner = true
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e.Validator = NewValidator()
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e.Renderer = &TemplateRegistry{
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templates: templates,
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extraData: extraData,
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}
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return e
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}
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