129 lines
3.3 KiB
Go
129 lines
3.3 KiB
Go
package main
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import (
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"database/sql"
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"encoding/json"
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"log"
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"net/http"
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"os"
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"golang.org/x/oauth2"
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"golang.org/x/oauth2/github"
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"github.com/gorilla/sessions"
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_ "github.com/mattn/go-sqlite3"
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"meutel.net/meutel/go-bouquins/bouquins"
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)
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// BouquinsConf App configuration
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type BouquinsConf struct {
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BindAddress string `json:"bind-address"`
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DbPath string `json:"db-path"`
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CalibrePath string `json:"calibre-path"`
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Prod bool `json:"prod"`
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}
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var db *sql.DB
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// ReadConfig loads configuration file and initialize default value
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func ReadConfig() (*BouquinsConf, error) {
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conf := new(BouquinsConf)
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confPath := "bouquins.json"
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if len(os.Args) > 1 {
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confPath = os.Args[1]
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}
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confFile, err := os.Open(confPath)
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if err == nil {
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defer confFile.Close()
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err = json.NewDecoder(confFile).Decode(conf)
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} else {
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log.Println("no conf file, using defaults")
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err = nil
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}
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// default values
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if conf.CalibrePath == "" {
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conf.CalibrePath = "."
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}
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if conf.DbPath == "" {
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conf.DbPath = conf.CalibrePath + "/metadata.db"
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}
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if conf.BindAddress == "" {
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conf.BindAddress = ":9000"
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}
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return conf, err
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}
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func initApp() *BouquinsConf {
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log.SetFlags(log.LstdFlags | log.Lshortfile)
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conf, err := ReadConfig()
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if err != nil {
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log.Fatalln(err)
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}
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tpl, err := bouquins.TemplatesFunc(conf.Prod).ParseGlob("templates/*.html")
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if err != nil {
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log.Fatalln(err)
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}
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db, err = sql.Open("sqlite3", conf.DbPath)
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if err != nil {
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log.Fatalln(err)
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}
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// TODO conf by provider, client ID and secret in conf file
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oauthConf := &oauth2.Config{
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ClientID: "8b0aedf07828f06918a0",
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ClientSecret: "eb26ec9c986fc28bd169bdddf169b794861e0d65",
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Scopes: []string{"user:email"},
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Endpoint: github.Endpoint,
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}
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// FIXME constructor, conf cookies secret
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app := &bouquins.Bouquins{Tpl: tpl, DB: db, OAuthConf: oauthConf, Cookies: sessions.NewCookieStore([]byte("flQ6QzM/c3Jtdl9ycDx6OXRIfFgK"))}
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err = app.PrepareAll()
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if err != nil {
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log.Fatalln(err)
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}
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assets(conf.CalibrePath)
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router(app)
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return conf
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}
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func assets(calibre string) {
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http.Handle(bouquins.URLJs, http.StripPrefix("/"+bouquins.Version, http.FileServer(http.Dir("assets"))))
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http.Handle(bouquins.URLCss, http.StripPrefix("/"+bouquins.Version, http.FileServer(http.Dir("assets"))))
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http.Handle(bouquins.URLFonts, http.StripPrefix("/"+bouquins.Version, http.FileServer(http.Dir("assets"))))
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http.Handle(bouquins.URLCalibre, http.StripPrefix(bouquins.URLCalibre, http.FileServer(http.Dir(calibre))))
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}
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func handle(f func(res http.ResponseWriter, req *http.Request) error) func(res http.ResponseWriter, req *http.Request) {
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return func(res http.ResponseWriter, req *http.Request) {
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err := f(res, req)
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if err != nil {
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log.Println(err)
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http.Error(res, err.Error(), 500)
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}
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}
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}
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func handleURL(url string, f func(res http.ResponseWriter, req *http.Request) error) {
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http.HandleFunc(url, handle(f))
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}
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func router(app *bouquins.Bouquins) {
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handleURL(bouquins.URLIndex, app.IndexPage)
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handleURL(bouquins.URLLogin, app.LoginPage)
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handleURL(bouquins.URLCallback, app.CallbackPage)
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handleURL(bouquins.URLBooks, app.BooksPage)
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handleURL(bouquins.URLAuthors, app.AuthorsPage)
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handleURL(bouquins.URLSeries, app.SeriesPage)
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handleURL(bouquins.URLSearch, app.SearchPage)
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handleURL(bouquins.URLAbout, app.AboutPage)
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}
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func main() {
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conf := initApp()
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defer db.Close()
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http.ListenAndServe(conf.BindAddress, nil)
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}
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