Added backend

backend/server/article.go

@@ -0,0 +1,61 @@
+package server
+
+import (
+	"TheAdversary/config"
+	"TheAdversary/database"
+	"github.com/gorilla/mux"
+	"net/http"
+	"path"
+	"path/filepath"
+	"text/template"
+	"time"
+)
+
+var tmpl = template.Must(template.ParseFiles(filepath.Join(config.FrontendDir, "html", "article.gohtml")))
+
+type tmplArticle struct {
+	Title    string
+	BasePath string
+	Summary  string
+	Image    string
+	Authors  []string
+	Tags     []string
+	Date     string
+	Modified bool
+	Content  string
+}
+
+func Article(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Content-Type", "text/html")
+
+	articleName := mux.Vars(r)["article"]
+	var article database.Article
+	if database.GetDB().Table("article").Where("link = ?", articleName).First(&article).RowsAffected == 0 {
+		Error404(w, r)
+	} else if database.GetDB().Error != nil {
+		Error500(w, r)
+	} else {
+		var authors, tags []string
+		database.GetDB().Table("author").Select("name").Where("id IN (?)", database.GetDB().Table("article_author").Select("author_id").Where("article_id = ?", article.Id)).Find(&authors)
+		database.GetDB().Table("article_tag").Where("article_id = ?", article.Id).Find(&tags)
+
+		ta := tmplArticle{
+			Title:    article.Title,
+			BasePath: config.Address + path.Join("/", config.SubPath) + "/",
+			Summary:  article.Summary,
+			Image:    article.Image,
+			Authors:  authors,
+			Tags:     tags,
+			Content:  article.Html,
+		}
+		if article.Modified > 0 {
+			ta.Date = time.Unix(article.Modified, 0).Format("Monday, 2. January 2006 | 15:04")
+			ta.Modified = true
+		} else {
+			ta.Date = time.Unix(article.Created, 0).Format("Monday, 2. January 2006 | 15:04")
+		}
+
+		w.WriteHeader(http.StatusOK)
+		tmpl.Execute(w, ta)
+	}
+}

backend/server/assets.go

@@ -0,0 +1,23 @@
+package server
+
+import (
+	"TheAdversary/database"
+	"github.com/gorilla/mux"
+	"mime"
+	"net/http"
+	"path"
+)
+
+func Assets(w http.ResponseWriter, r *http.Request) {
+	assetName := mux.Vars(r)["asset"]
+	var buf []interface{}
+	database.GetDB().Table("assets").Select("data").Find(&buf, "link = ?", assetName)
+
+	if buf == nil {
+		Error404(w, r)
+	} else {
+		data := buf[0].([]byte)
+		w.Header().Set("Content-Type", mime.TypeByExtension(path.Ext(assetName)))
+		w.Write(data)
+	}
+}

backend/server/error.go

@@ -0,0 +1,25 @@
+package server
+
+import (
+	"TheAdversary/config"
+	"io"
+	"log"
+	"net/http"
+	"path/filepath"
+)
+
+func init() {
+	// disable default log output because http.ServeFile prints
+	// a message if a header is written 2 times or more
+	log.Default().SetOutput(io.Discard)
+}
+
+func Error404(w http.ResponseWriter, r *http.Request) {
+	w.WriteHeader(http.StatusNotFound)
+	http.ServeFile(w, r, filepath.Join(config.FrontendDir, "error", "404.html"))
+}
+
+func Error500(w http.ResponseWriter, r *http.Request) {
+	w.WriteHeader(http.StatusInternalServerError)
+	http.ServeFile(w, r, filepath.Join(config.FrontendDir, "error", "500.html"))
+}

backend/server/landingpage.go

@@ -0,0 +1 @@
+package server

backend/server/path.go

@@ -0,0 +1,18 @@
+package server
+
+import (
+	"TheAdversary/config"
+	"net/http"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+func ServePath(w http.ResponseWriter, r *http.Request) {
+	path := filepath.Join(config.FrontendDir, strings.TrimPrefix(r.URL.Path, config.SubPath))
+	if _, err := os.Stat(path); os.IsNotExist(err) {
+		Error404(w, r)
+	} else {
+		http.ServeFile(w, r, path)
+	}
+}