Noescape (#88)

* disable html escaping for short description

* provide noescape function for templates

* move template functions before template loading

* go fmt

* linter fixes

internal/router/router.go

@@ -126,6 +126,9 @@ func New(cfg *config.Config, db db.DB, logger *logrus.Logger) (Router, error) {
 		return nil, err
 	}
 
+	// set template functions
+	loadTemplateFunctions(engine)
+
 	// load templates onto the engine
 	if err := loadTemplates(cfg, engine); err != nil {
 		return nil, err

internal/router/template.go

@@ -2,6 +2,7 @@
 
 import (
 	"fmt"
+	"html/template"
 	"os"
 	"path/filepath"
 
@@ -21,3 +22,13 @@ func loadTemplates(cfg *config.Config, engine *gin.Engine) error {
 	engine.LoadHTMLGlob(tmPath)
 	return nil
 }
+
+func noescape(str string) template.HTML {
+	return template.HTML(str)
+}
+
+func loadTemplateFunctions(engine *gin.Engine) {
+	engine.SetFuncMap(template.FuncMap{
+		"noescape": noescape,
+	})
+}

internal/web/base.go

@@ -101,5 +101,9 @@ func (m *Module) Route(s router.Router) error {
 	// 404 handler
 	s.AttachNoRouteHandler(m.NotFoundHandler)
 
+	if err != nil {
+		return fmt.Errorf("error setting router FuncMap: %s", err)
+	}
+
 	return nil
 }

web/template/index.tmpl

@@ -9,7 +9,7 @@
 
 	<h3>This is the default landing page, you can edit it from <span class="accent">./web/template/index.tmpl</span></h1>
 	<p>
-		{{.instance.ShortDescription}}
+		{{.instance.ShortDescription |noescape}}
 	</p>
 </section>