Initial Codebase (untested)

internal/handlers.go

@@ -0,0 +1,100 @@
+package internal
+
+import (
+	"errors"
+	"fmt"
+	"html/template"
+	"net/http"
+	"strings"
+
+	rice "github.com/GeertJohan/go.rice"
+	"github.com/gomarkdown/markdown"
+	"github.com/gomarkdown/markdown/html"
+	"github.com/gomarkdown/markdown/parser"
+	"github.com/james4k/fmatter"
+	"github.com/julienschmidt/httprouter"
+	log "github.com/sirupsen/logrus"
+)
+
+const (
+	MediaResolution  = 720 // 720x576
+	AvatarResolution = 360 // 360x360
+	AsyncTaskLimit   = 5
+	MaxFailedLogins  = 3 // By default 3 failed login attempts per 5 minutes
+)
+
+var (
+	ErrFeedImposter = errors.New("error: imposter detected, you do not own this feed")
+)
+
+func (s *Server) NotFoundHandler(w http.ResponseWriter, r *http.Request) {
+	if r.Header.Get("Accept") == "application/json" {
+		w.Header().Set("Content-Type", "application/json")
+		http.Error(w, "Endpoint Not Found", http.StatusNotFound)
+		return
+	}
+
+	ctx := NewContext(s.config, s.db, r)
+	ctx.Title = "Page Not Found"
+	w.WriteHeader(http.StatusNotFound)
+	s.render("404", w, ctx)
+}
+
+type FrontMatter struct {
+	Title string
+}
+
+// PageHandler ...
+func (s *Server) PageHandler(name string) httprouter.Handle {
+	box := rice.MustFindBox("pages")
+	mdTpl := box.MustString(fmt.Sprintf("%s.md", name))
+
+	return func(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
+		ctx := NewContext(s.config, s.db, r)
+
+		md, err := RenderString(mdTpl, ctx)
+		if err != nil {
+			log.WithError(err).Errorf("error rendering page %s", name)
+			ctx.Error = true
+			ctx.Message = "Error loading help page! Please contact support."
+			s.render("error", w, ctx)
+			return
+		}
+
+		var frontmatter FrontMatter
+		content, err := fmatter.Read([]byte(md), &frontmatter)
+		if err != nil {
+			log.WithError(err).Error("error parsing front matter")
+			ctx.Error = true
+			ctx.Message = "Error loading page! Please contact support."
+			s.render("error", w, ctx)
+			return
+		}
+
+		extensions := parser.CommonExtensions | parser.AutoHeadingIDs
+		p := parser.NewWithExtensions(extensions)
+
+		htmlFlags := html.CommonFlags
+		opts := html.RendererOptions{
+			Flags:     htmlFlags,
+			Generator: "",
+		}
+		renderer := html.NewRenderer(opts)
+
+		html := markdown.ToHTML(content, p, renderer)
+
+		var title string
+
+		if frontmatter.Title != "" {
+			title = frontmatter.Title
+		} else {
+			title = strings.Title(name)
+		}
+		ctx.Title = title
+
+		ctx.Page = name
+		ctx.Content = template.HTML(html)
+
+		s.render("page", w, ctx)
+	}
+}