96 lines
2.5 KiB
Go
96 lines
2.5 KiB
Go
// Copyright (c) 2025-2026 Probo Inc <hello@probo.com>.
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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// PERFORMANCE OF THIS SOFTWARE.
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// Package trust provides functionality for serving the trust center SPA frontend.
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package trust
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import (
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"fmt"
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"html/template"
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"io"
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"io/fs"
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"net/http"
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truststatics "go.probo.inc/probo/apps/trust"
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"go.probo.inc/probo/pkg/server/statichandler"
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)
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type (
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HeadData struct {
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Title string
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Description string
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OGURL string
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FaviconURL string
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}
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HeadDataFunc func(r *http.Request) HeadData
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Server struct {
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*statichandler.Server
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}
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)
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func NewServer(headDataFunc HeadDataFunc) (*Server, error) {
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renderer, err := buildIndexRenderer(headDataFunc)
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if err != nil {
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return nil, err
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}
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gzipOptions := statichandler.GzipOptions{
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EnableFileTypeCheck: true,
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FileTypes: []string{".js", ".css", ".html"},
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}
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spaServer, err := statichandler.NewServer(
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truststatics.StaticFiles,
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"dist",
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gzipOptions,
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statichandler.WithFileRenderer("/index.html", renderer),
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)
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if err != nil {
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return nil, err
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}
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return &Server{Server: spaServer}, nil
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}
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func buildIndexRenderer(headDataFunc HeadDataFunc) (statichandler.FileRenderer, error) {
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subFS, err := fs.Sub(truststatics.StaticFiles, "dist")
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if err != nil {
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return nil, fmt.Errorf("cannot open dist: %w", err)
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}
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indexBytes, err := fs.ReadFile(subFS, "index.html")
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if err != nil {
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return nil, fmt.Errorf("cannot read index.html: %w", err)
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}
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tmpl, err := template.New("index").Parse(string(indexBytes))
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if err != nil {
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return nil, fmt.Errorf("cannot parse index.html template: %w", err)
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}
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return func(w io.Writer, r *http.Request) error {
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return tmpl.Execute(w, headDataFunc(r))
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}, nil
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}
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func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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s.Server.ServeHTTP(w, r)
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}
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func (s *Server) ServeSPA(w http.ResponseWriter, r *http.Request) {
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s.Server.ServeSPA(w, r)
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}
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