// SPDX-License-Identifier: AGPL-3.0-only
// SPDX-FileContributor: Runxi Yu <https://runxiyu.org>
package main
import (
"embed"
"html/template"
"io/fs"
"net/http"
"github.com/tdewolff/minify/v2"
"github.com/tdewolff/minify/v2/html"
)
// We embed all source for easy AGPL compliance.
//
//go:embed .gitignore .gitattributes
//go:embed LICENSE README.md
//go:embed *.go go.mod go.sum
//go:embed *.scfg
//go:embed Makefile
//go:embed static/* templates/* scripts/* sql/* man/*
//go:embed hookc/*.c
//go:embed vendor/*
//go:embed LICENSE source.tar.gz
var sourceFS embed.FS
var sourceHandler = http.StripPrefix(
"/:/source/",
http.FileServer(http.FS(sourceFS)),
)
//go:embed templates/* static/* hookc/hookc man/*.html man/*.txt man/*.css
var resourcesFS embed.FS
var templates *template.Template
func loadTemplates() (err error) {
minifier := minify.New()
minifierOptions := html.Minifier{
TemplateDelims: [2]string{"{{", "}}"},
KeepDefaultAttrVals: true,
} //exhaustruct:ignore
minifier.Add("text/html", &minifierOptions)
templates = template.New("templates").Funcs(template.FuncMap{
"first_line": firstLine,
"base_name": baseName,
"path_escape": pathEscape,
"query_escape": queryEscape,
"dereference_error": dereferenceOrZero[error],
"minus": minus,
})
err = fs.WalkDir(resourcesFS, "templates", func(path string, d fs.DirEntry, err error) error {
if err != nil {
return err
}
if !d.IsDir() {
content, err := fs.ReadFile(resourcesFS, path)
if err != nil {
return err
}
minified, err := minifier.Bytes("text/html", content)
if err != nil {
return err
}
_, err = templates.Parse(bytesToString(minified))
if err != nil {
return err
}
}
return nil
})
return err
}
var (
staticHandler http.Handler
manHandler http.Handler
)
func init() {
staticFS, err := fs.Sub(resourcesFS, "static")
if err != nil {
panic(err)
}
staticHandler = http.StripPrefix("/:/static/", http.FileServer(http.FS(staticFS)))
manFS, err := fs.Sub(resourcesFS, "man")
if err != nil {
panic(err)
}
manHandler = http.StripPrefix("/:/man/", http.FileServer(http.FS(manFS)))
}