From c3b6a5b0f9976c861042d03b7fc124d566b9209f Mon Sep 17 00:00:00 2001
From: tobi <31960611+tsmethurst@users.noreply.github.com>
Date: Mon, 18 Jul 2022 12:55:06 +0200
Subject: [feature] Implement `cache-control` and etags for static assets
 (#711)

* start working on etag stuff

* add + use cache middleware

* generate etags on the fly

* remove unused field

* clean up filepath

* add license headers to cache files

* add attachgroup function to router interface

* move cache into web module

* rename a couple things

* remove attachStaticFS function from router

* rename + tidy up a few things

* mount assets filesystem

* create assetsFileInfoCache

* update comment

* simplify hash

* fix string fmt

* skip last mod chk, prefer strong etags w/long cache

* move base handler to its own file
this matches the modules in the api folder

* generate new etag if file was modified

* wrap strong etag in quotation marks as per spec

* clarify logic in avatar search

* make hashing a little niftier
---
 internal/web/panels.go | 73 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 internal/web/panels.go

(limited to 'internal/web/panels.go')

diff --git a/internal/web/panels.go b/internal/web/panels.go
new file mode 100644
index 000000000..e0e88944e
--- /dev/null
+++ b/internal/web/panels.go
@@ -0,0 +1,73 @@
+/*
+   GoToSocial
+   Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Affero General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Affero General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package web
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/superseriousbusiness/gotosocial/internal/api"
+	"github.com/superseriousbusiness/gotosocial/internal/config"
+	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
+)
+
+func (m *Module) UserPanelHandler(c *gin.Context) {
+	host := config.GetHost()
+	instance, err := m.processor.InstanceGet(c.Request.Context(), host)
+	if err != nil {
+		api.ErrorHandler(c, gtserror.NewErrorInternalError(err), m.processor.InstanceGet)
+		return
+	}
+
+	c.HTML(http.StatusOK, "frontend.tmpl", gin.H{
+		"instance": instance,
+		"stylesheets": []string{
+			assetsPath + "/Fork-Awesome/css/fork-awesome.min.css",
+			assetsPath + "/dist/_colors.css",
+			assetsPath + "/dist/base.css",
+			assetsPath + "/dist/panels-user-style.css",
+		},
+		"javascript": []string{
+			assetsPath + "/dist/bundle.js",
+			assetsPath + "/dist/user-panel.js",
+		},
+	})
+}
+
+// TODO: abstract the {admin, user}panel handlers in some way
+func (m *Module) AdminPanelHandler(c *gin.Context) {
+	host := config.GetHost()
+	instance, err := m.processor.InstanceGet(c.Request.Context(), host)
+	if err != nil {
+		api.ErrorHandler(c, gtserror.NewErrorInternalError(err), m.processor.InstanceGet)
+		return
+	}
+
+	c.HTML(http.StatusOK, "frontend.tmpl", gin.H{
+		"instance": instance,
+		"stylesheets": []string{
+			assetsPath + "/Fork-Awesome/css/fork-awesome.min.css",
+			assetsPath + "/dist/panels-admin-style.css",
+		},
+		"javascript": []string{
+			assetsPath + "/dist/bundle.js",
+			assetsPath + "/dist/admin-panel.js",
+		},
+	})
+}
-- 
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