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// ideez is a web application that allows people to post their ideas, it is meant to help
// brainstorming.
package main
import (
"crypto/rand"
"encoding/hex"
"errors"
"html/template"
"log"
"net/http"
"os"
"strings"
_ "embed"
)
type ServersPageData struct {
Ideezes []Ideez
Address template.URL
Error string
}
const (
// Name of the directory where the data files are stored
DATA_DIR = "ideez_servers"
)
var address string = "localhost:15118"
//go:embed templates/servers.html
var servers_html string
// All servers that are currently managed
var Ideezes []Ideez
// Directory path where the data files are stored
var DataDir string
func getAddress(r *http.Request) template.URL {
p, ok := r.Header["X-Forwarded-Proto"]
if ok {
return template.URL(p[0] + "://" + r.Host)
}
if r.TLS == nil {
return template.URL("http://" + r.Host)
} else {
return template.URL("https://" + r.Host)
}
}
func main() {
var (
logger = log.New(os.Stdout, "Ideez: ", log.Ldate)
)
mux := http.NewServeMux()
fs := http.FileServer(http.Dir("assets/"))
mux.Handle("/static/", http.StripPrefix("/static/", fs))
tmpl, err := template.New("servers").Parse(servers_html)
// list servers
mux.HandleFunc("GET /{$}", func(w http.ResponseWriter, r *http.Request) {
tmpl.ExecuteTemplate(w, "servers", ServersPageData{Ideezes, getAddress(r), ""})
})
// create a new server
mux.HandleFunc("POST /server/create/", func(w http.ResponseWriter, r *http.Request) {
addr := getAddress(r)
name := r.FormValue("name")
logger.Println("Create server", name)
if name == "" {
tmpl.ExecuteTemplate(w, "servers", ServersPageData{Ideezes, addr, "You must provide a title"})
return
}
for _, v := range Ideezes {
if v.Name == name {
tmpl.ExecuteTemplate(w, "servers", ServersPageData{Ideezes, addr, "A server with name '" + name + "' already exists!"})
return
}
}
bytes := make([]byte, SERVER_ID_BYTES)
_, err := rand.Read(bytes)
if err != nil {
panic(err)
}
id := hex.EncodeToString(bytes)
server := NewIdeez(mux, name, id)
Ideezes = append(Ideezes, server)
http.Redirect(w, r, "/", http.StatusMovedPermanently)
})
// import the servers from the data files
{
p := os.Getenv("XDG_CACHE_HOME")
if p == "" {
p = "."
}
DataDir = p + "/" + DATA_DIR
if err := os.Mkdir(DataDir, 0755); err == nil {
logger.Println("Directory does not exist, creating " + DataDir)
} else if !errors.Is(err, os.ErrExist) {
panic(err)
}
entries, err := os.ReadDir(DataDir)
if err != nil {
panic(err)
}
counter := 0
for _, file := range entries {
if !strings.HasSuffix(file.Name(), ".data") {
continue
}
id := strings.TrimSuffix(file.Name(), ".data")
ideez := NewIdeez(mux, "", id)
Ideezes = append(Ideezes, ideez)
counter++
}
logger.Printf("Imported %d Ideezes\n", counter)
}
logger.Println("Listening on http://" + address)
err = http.ListenAndServe(address, mux)
if err != nil {
panic(err)
}
}
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