bloat/main.go

101 lines
2.1 KiB
Go

package main
import (
"errors"
"flag"
"fmt"
"log"
"net/http"
"os"
"path/filepath"
"strings"
"bloat/config"
"bloat/renderer"
"bloat/repo"
"bloat/service"
"bloat/util"
)
var (
configFiles = []string{"bloat.conf", "/etc/bloat.conf"}
)
func errExit(err error) {
fmt.Fprintln(os.Stderr, err.Error())
os.Exit(1)
}
func main() {
configFile := flag.String("f", "", "config file")
flag.Parse()
if len(*configFile) > 0 {
configFiles = []string{*configFile}
}
config, err := config.ParseFiles(configFiles)
if err != nil {
errExit(err)
}
if !config.IsValid() {
errExit(errors.New("invalid config"))
}
templatesGlobPattern := filepath.Join(config.TemplatesPath, "*")
renderer, err := renderer.NewRenderer(templatesGlobPattern)
if err != nil {
errExit(err)
}
err = os.Mkdir(config.DatabasePath, 0755)
if err != nil && !os.IsExist(err) {
errExit(err)
}
sessionDBPath := filepath.Join(config.DatabasePath, "session")
sessionDB, err := util.NewDatabse(sessionDBPath)
if err != nil {
errExit(err)
}
appDBPath := filepath.Join(config.DatabasePath, "app")
appDB, err := util.NewDatabse(appDBPath)
if err != nil {
errExit(err)
}
sessionRepo := repo.NewSessionRepo(sessionDB)
appRepo := repo.NewAppRepo(appDB)
customCSS := config.CustomCSS
if len(customCSS) > 0 && !strings.HasPrefix(customCSS, "http://") &&
!strings.HasPrefix(customCSS, "https://") {
customCSS = "/static/" + customCSS
}
var logger *log.Logger
if len(config.LogFile) < 1 {
logger = log.New(os.Stdout, "", log.LstdFlags)
} else {
lf, err := os.OpenFile(config.LogFile,
os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0644)
if err != nil {
errExit(err)
}
defer lf.Close()
logger = log.New(lf, "", log.LstdFlags)
}
s := service.NewService(config.ClientName, config.ClientScope,
config.ClientWebsite, customCSS, config.SingleInstance,
config.PostFormats, renderer, sessionRepo, appRepo)
handler := service.NewHandler(s, logger, config.StaticDirectory)
logger.Println("listening on", config.ListenAddress)
err = http.ListenAndServe(config.ListenAddress, handler)
if err != nil {
errExit(err)
}
}