Login page

hardcoded secret

bouquins/bouquins.go

@@ -12,6 +12,8 @@ import (
 	"strconv"
 	"strings"
 
+	"golang.org/x/oauth2"
+
 	"github.com/c2h5oh/datasize"
 )
 
@@ -34,6 +36,8 @@ const (
 
 	// URLIndex url of index page
 	URLIndex = "/"
+	// URLLogin url of login page (OAuth 2)
+	URLLogin = "/login"
 	// URLBooks url of books page
 	URLBooks = "/books/"
 	// URLAuthors url of authors page
@@ -56,8 +60,9 @@ const (
 
 // Bouquins contains application common resources: templates, database
 type Bouquins struct {
-	Tpl *template.Template
-	DB  *sql.DB
+	Tpl       *template.Template
+	DB        *sql.DB
+	OAuthConf *oauth2.Config
 }
 
 // Series is a book series.
@@ -422,6 +427,13 @@ func (app *Bouquins) AboutPage(res http.ResponseWriter, req *http.Request) error
 	return app.render(res, tplAbout, NewModel("A propos", "about"))
 }
 
+// LoginPage redirects to OAuth login page (github)
+func (app *Bouquins) LoginPage(res http.ResponseWriter, req *http.Request) error {
+	url := app.OAuthConf.AuthCodeURL("state", oauth2.AccessTypeOffline)
+	http.Redirect(res, req, url, http.StatusTemporaryRedirect)
+	return nil
+}
+
 // IndexPage displays index page: list of books/authors/series
 func (app *Bouquins) IndexPage(res http.ResponseWriter, req *http.Request) error {
 	count, err := app.BookCount()

main.go

@@ -7,6 +7,9 @@ import (
 	"net/http"
 	"os"
 
+	"golang.org/x/oauth2"
+	"golang.org/x/oauth2/github"
+
 	_ "github.com/mattn/go-sqlite3"
 
 	"meutel.net/meutel/go-bouquins/bouquins"
@@ -65,7 +68,15 @@ func initApp() *BouquinsConf {
 	if err != nil {
 		log.Fatalln(err)
 	}
-	app := &bouquins.Bouquins{Tpl: tpl, DB: db}
+
+	oauthConf := &oauth2.Config{
+		ClientID:     "8b0aedf07828f06918a0",
+		ClientSecret: "eb26ec9c986fc28bd169bdddf169b794861e0d65",
+		Scopes:       []string{"user"},
+		Endpoint:     github.Endpoint,
+	}
+
+	app := &bouquins.Bouquins{Tpl: tpl, DB: db, OAuthConf: oauthConf}
 	err = app.PrepareAll()
 	if err != nil {
 		log.Fatalln(err)
@@ -98,6 +109,7 @@ func handleURL(url string, f func(res http.ResponseWriter, req *http.Request) er
 
 func router(app *bouquins.Bouquins) {
 	handleURL(bouquins.URLIndex, app.IndexPage)
+	handleURL(bouquins.URLLogin, app.LoginPage)
 	handleURL(bouquins.URLBooks, app.BooksPage)
 	handleURL(bouquins.URLAuthors, app.AuthorsPage)
 	handleURL(bouquins.URLSeries, app.SeriesPage)