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mycorrhiza/web/web.go

96 lines
2.3 KiB
Go

// Package web contains web handlers and initialization stuff.
//
// It exports just one function: Init. Call it if you want to have web capabilities.
package web
import (
"fmt"
"io"
"log"
"mime"
"net/http"
"net/url"
"github.com/bouncepaw/mycorrhiza/cfg"
"github.com/bouncepaw/mycorrhiza/static"
"github.com/bouncepaw/mycorrhiza/user"
"github.com/bouncepaw/mycorrhiza/util"
"github.com/bouncepaw/mycorrhiza/views"
)
var stylesheets = []string{"default.css", "custom.css"}
// httpErr is used by many handlers to signal errors in a compact way.
func httpErr(w http.ResponseWriter, status int, name, title, errMsg string) {
log.Println(errMsg, "for", name)
w.Header().Set("Content-Type", mime.TypeByExtension(".html"))
w.WriteHeader(status)
fmt.Fprint(
w,
views.BaseHTML(
title,
fmt.Sprintf(
`<main class="main-width"><p>%s. <a href="/hypha/%s">Go back to the hypha.<a></p></main>`,
errMsg,
name,
),
user.EmptyUser(),
),
)
}
func handlerStyle(w http.ResponseWriter, rq *http.Request) {
util.PrepareRq(rq)
w.Header().Set("Content-Type", mime.TypeByExtension(".css"))
for _, name := range stylesheets {
file, err := static.FS.Open(name)
if err != nil {
continue
}
io.Copy(w, file)
file.Close()
}
}
func handlerUserList(w http.ResponseWriter, rq *http.Request) {
w.Header().Set("Content-Type", mime.TypeByExtension(".html"))
w.WriteHeader(http.StatusOK)
w.Write([]byte(views.BaseHTML("User list", views.UserListHTML(), user.FromRequest(rq))))
}
func handlerRobotsTxt(w http.ResponseWriter, rq *http.Request) {
w.Header().Set("Content-Type", "text/plain; charset=utf-8")
file, err := static.FS.Open("robots.txt")
if err != nil {
return
}
io.Copy(w, file)
file.Close()
}
func Init() {
initAdmin()
initReaders()
initMutators()
initAuth()
initHistory()
initStuff()
// Miscellaneous
http.HandleFunc("/user-list/", handlerUserList)
http.HandleFunc("/robots.txt", handlerRobotsTxt)
// Static assets
http.Handle("/static/", http.StripPrefix("/static/", http.FileServer(http.FS(static.FS))))
http.HandleFunc("/static/style.css", handlerStyle)
// Index page
http.HandleFunc("/", func(w http.ResponseWriter, rq *http.Request) {
addr, _ := url.Parse("/hypha/" + cfg.HomeHypha) // Let's pray it never fails
rq.URL = addr
handlerHypha(w, rq)
})
}