Fix recovery middleware to render gitea style page. (#13857)

* Some changes to fix recovery

* Move Recovery to middlewares

* Remove trace code

* Fix lint

* add session middleware and remove dependent on macaron for sso

* Fix panic 500 page rendering

* Fix bugs

* Fix fmt

* Fix vendor

* recover unnecessary change

* Fix lint and addd some comments about the copied codes.

* Use util.StatDir instead of com.StatDir

Co-authored-by: 6543 <6543@obermui.de>

1 files changed, 82 insertions, 0 deletions

diff --git a/modules/templates/base.go b/modules/templates/base.go
new file mode 100644
index 0000000000..a9b6b2737c
--- /dev/null
+++ b/modules/templates/base.go
@@ -0,0 +1,82 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package templates
+
+import (
+	"os"
+	"strings"
+	"time"
+
+	"code.gitea.io/gitea/modules/log"
+	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/modules/util"
+)
+
+// Vars represents variables to be render in golang templates
+type Vars map[string]interface{}
+
+// Merge merges another vars to the current, another Vars will override the current
+func (vars Vars) Merge(another map[string]interface{}) Vars {
+	for k, v := range another {
+		vars[k] = v
+	}
+	return vars
+}
+
+// BaseVars returns all basic vars
+func BaseVars() Vars {
+	var startTime = time.Now()
+	return map[string]interface{}{
+		"IsLandingPageHome":          setting.LandingPageURL == setting.LandingPageHome,
+		"IsLandingPageExplore":       setting.LandingPageURL == setting.LandingPageExplore,
+		"IsLandingPageOrganizations": setting.LandingPageURL == setting.LandingPageOrganizations,
+
+		"ShowRegistrationButton":      setting.Service.ShowRegistrationButton,
+		"ShowMilestonesDashboardPage": setting.Service.ShowMilestonesDashboardPage,
+		"ShowFooterBranding":          setting.ShowFooterBranding,
+		"ShowFooterVersion":           setting.ShowFooterVersion,
+
+		"EnableSwagger":      setting.API.EnableSwagger,
+		"EnableOpenIDSignIn": setting.Service.EnableOpenIDSignIn,
+		"PageStartTime":      startTime,
+		"TmplLoadTimes": func() string {
+			return time.Since(startTime).String()
+		},
+	}
+}
+
+func getDirAssetNames(dir string) []string {
+	var tmpls []string
+	f, err := os.Stat(dir)
+	if err != nil {
+		if os.IsNotExist(err) {
+			return tmpls
+		}
+		log.Warn("Unable to check if templates dir %s is a directory. Error: %v", dir, err)
+		return tmpls
+	}
+	if !f.IsDir() {
+		log.Warn("Templates dir %s is a not directory.", dir)
+		return tmpls
+	}
+
+	files, err := util.StatDir(dir)
+	if err != nil {
+		log.Warn("Failed to read %s templates dir. %v", dir, err)
+		return tmpls
+	}
+	for _, filePath := range files {
+		if strings.HasPrefix(filePath, "mail/") {
+			continue
+		}
+
+		if !strings.HasSuffix(filePath, ".tmpl") {
+			continue
+		}
+
+		tmpls = append(tmpls, "templates/"+filePath)
+	}
+	return tmpls
+}