mirror of https://github.com/h44z/wg-portal.git
106 lines
3.0 KiB
Go
106 lines
3.0 KiB
Go
package handlers
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import (
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"bytes"
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"embed"
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"fmt"
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"html/template"
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"net"
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"net/http"
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"net/url"
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"github.com/gin-gonic/gin"
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"github.com/h44z/wg-portal/internal"
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"github.com/h44z/wg-portal/internal/app"
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"github.com/h44z/wg-portal/internal/app/api/v0/model"
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)
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//go:embed frontend_config.js.gotpl
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var frontendJs embed.FS
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type configEndpoint struct {
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app *app.App
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authenticator *authenticationHandler
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tpl *template.Template
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}
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func newConfigEndpoint(app *app.App, authenticator *authenticationHandler) configEndpoint {
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ep := configEndpoint{
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app: app,
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authenticator: authenticator,
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tpl: template.Must(template.ParseFS(frontendJs, "frontend_config.js.gotpl")),
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}
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return ep
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}
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func (e configEndpoint) GetName() string {
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return "ConfigEndpoint"
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}
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func (e configEndpoint) RegisterRoutes(g *gin.RouterGroup, authenticator *authenticationHandler) {
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apiGroup := g.Group("/config")
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apiGroup.GET("/frontend.js", e.handleConfigJsGet())
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apiGroup.GET("/settings", e.authenticator.LoggedIn(), e.handleSettingsGet())
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}
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// handleConfigJsGet returns a gorm handler function.
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//
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// @ID config_handleConfigJsGet
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// @Tags Configuration
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// @Summary Get the dynamic frontend configuration javascript.
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// @Produce text/javascript
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// @Success 200 string javascript "The JavaScript contents"
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// @Router /config/frontend.js [get]
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func (e configEndpoint) handleConfigJsGet() gin.HandlerFunc {
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return func(c *gin.Context) {
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backendUrl := fmt.Sprintf("%s/api/v0", e.app.Config.Web.ExternalUrl)
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if c.GetHeader("x-wg-dev") != "" {
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referer := c.Request.Header.Get("Referer")
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host := "localhost"
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port := "5000"
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parsedReferer, err := url.Parse(referer)
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if err == nil {
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host, port, _ = net.SplitHostPort(parsedReferer.Host)
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}
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backendUrl = fmt.Sprintf("http://%s:%s/api/v0", host,
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port) // override if request comes from frontend started with npm run dev
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}
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buf := &bytes.Buffer{}
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err := e.tpl.ExecuteTemplate(buf, "frontend_config.js.gotpl", gin.H{
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"BackendUrl": backendUrl,
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"Version": internal.Version,
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"SiteTitle": e.app.Config.Web.SiteTitle,
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"SiteCompanyName": e.app.Config.Web.SiteCompanyName,
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})
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if err != nil {
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c.Status(http.StatusInternalServerError)
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return
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}
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c.Data(http.StatusOK, "application/javascript", buf.Bytes())
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}
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}
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// handleSettingsGet returns a gorm handler function.
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//
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// @ID config_handleSettingsGet
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// @Tags Configuration
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// @Summary Get the frontend settings object.
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// @Produce json
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// @Success 200 {object} model.Settings
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// @Success 200 string javascript "The JavaScript contents"
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// @Router /config/settings [get]
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func (e configEndpoint) handleSettingsGet() gin.HandlerFunc {
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return func(c *gin.Context) {
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c.JSON(http.StatusOK, model.Settings{
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MailLinkOnly: e.app.Config.Mail.LinkOnly,
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PersistentConfigSupported: e.app.Config.Advanced.ConfigStoragePath != "",
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SelfProvisioning: e.app.Config.Core.SelfProvisioningAllowed,
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ApiAdminOnly: e.app.Config.Advanced.ApiAdminOnly,
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})
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}
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}
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