From 6a828532cbf0394329e67e814af4f57354733c89 Mon Sep 17 00:00:00 2001
From: Nazar Kanaev <nkanaev@live.com>
Date: Fri, 12 Feb 2021 10:31:00 +0000
Subject: [PATCH] logout

---
 assets/javascripts/api.js | 3 +++
 assets/javascripts/app.js | 5 +++++
 server/auth.go            | 9 +++++++++
 server/handlers.go        | 6 ++++++
 4 files changed, 23 insertions(+)

diff --git a/assets/javascripts/api.js b/assets/javascripts/api.js
index fe8450b..327fdb0 100644
--- a/assets/javascripts/api.js
+++ b/assets/javascripts/api.js
@@ -92,6 +92,9 @@
         body: new FormData(form),
       })
     },
+    logout: function() {
+      return api('post', './logout')
+    },
     crawl: function(url) {
       return fetch('./page?url=' + url).then(function(res) {
         return res.text()
diff --git a/assets/javascripts/app.js b/assets/javascripts/app.js
index f8bac14..20f00ca 100644
--- a/assets/javascripts/app.js
+++ b/assets/javascripts/app.js
@@ -509,6 +509,11 @@ var vm = new Vue({
         vm.refreshStats()
       })
     },
+    logout: function() {
+      api.logout().then(function() {
+        document.location.reload()
+      })
+    },
     getReadable: function(item) {
       if (this.itemSelectedReadability) {
         this.itemSelectedReadability = null
diff --git a/server/auth.go b/server/auth.go
index f9950fb..ee7d70e 100644
--- a/server/auth.go
+++ b/server/auth.go
@@ -39,6 +39,15 @@ func userAuthenticate(rw http.ResponseWriter, username, password string) {
 	http.SetCookie(rw, &cookie)
 }
 
+func userLogout(rw http.ResponseWriter) {
+	cookie := http.Cookie{
+		Name:    "auth",
+		Value:   "",
+		MaxAge:  -1,
+	}
+	http.SetCookie(rw, &cookie)
+}
+
 func stringsEqual(p1, p2 string) bool {
 	return subtle.ConstantTimeCompare([]byte(p1), []byte(p2)) == 1
 }
diff --git a/server/handlers.go b/server/handlers.go
index af19929..c3fc927 100644
--- a/server/handlers.go
+++ b/server/handlers.go
@@ -40,6 +40,7 @@ var routes []Route = []Route{
 	p("/opml/import", OPMLImportHandler),
 	p("/opml/export", OPMLExportHandler),
 	p("/page", PageCrawlHandler),
+	p("/logout", LogoutHandler),
 }
 
 type asset struct {
@@ -528,3 +529,8 @@ func PageCrawlHandler(rw http.ResponseWriter, req *http.Request) {
 		}
 	}
 }
+
+func LogoutHandler(rw http.ResponseWriter, req *http.Request) {
+	userLogout(rw)
+	rw.WriteHeader(http.StatusNoContent)
+}