Merge branch 'devel'

cmd/backend/articles.go

@@ -7,6 +7,8 @@ import (
 	"log"
 	"os"
 	"time"
+
+	"github.com/google/uuid"
 )
 
 type Article struct {
@@ -14,6 +16,7 @@ type Article struct {
 	Title         string
 	BannerLink    string
 	Summary       string
+	UUID          uuid.UUID
 	ID            int64
 	CreatorID     int64
 	IssueID       int64
@@ -31,8 +34,8 @@ func (db *DB) AddArticle(a *Article) (int64, error) {
 	selectQuery := "SELECT id FROM issues WHERE published = false"
 	insertQuery := `
     INSERT INTO articles
-        (title, banner_link, summary, published, rejected, creator_id, issue_id, edited_id, clicks, is_in_issue, auto_generated)
-    VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+        (title, banner_link, summary, published, rejected, creator_id, issue_id, edited_id, clicks, is_in_issue, auto_generated, uuid)
+    VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
     `
 
 	for i := 0; i < TxMaxRetries; i++ {
@@ -49,7 +52,7 @@ func (db *DB) AddArticle(a *Article) (int64, error) {
 				return 0, fmt.Errorf("error getting issue ID when adding article to DB: %v", err)
 			}
 
-			result, err := tx.Exec(insertQuery, a.Title, a.BannerLink, a.Summary, a.Published, a.Rejected, a.CreatorID, id, a.EditedID, 0, a.IsInIssue, a.AutoGenerated)
+			result, err := tx.Exec(insertQuery, a.Title, a.BannerLink, a.Summary, a.Published, a.Rejected, a.CreatorID, id, a.EditedID, 0, a.IsInIssue, a.AutoGenerated, a.UUID.String())
 			if err != nil {
 				if rollbackErr := tx.Rollback(); rollbackErr != nil {
 					log.Fatalf("transaction error: %v, rollback error: %v", err, rollbackErr)
@@ -83,7 +86,7 @@ func (db *DB) AddArticle(a *Article) (int64, error) {
 
 func (db *DB) GetArticle(id int64) (*Article, error) {
 	query := `
-    SELECT title, created, banner_link, summary, published, creator_id, issue_id, edited_id, clicks, is_in_issue, auto_generated
+    SELECT title, created, banner_link, summary, published, creator_id, issue_id, edited_id, clicks, is_in_issue, auto_generated, uuid
     FROM articles
     WHERE id = ?
     `
@@ -91,9 +94,10 @@ func (db *DB) GetArticle(id int64) (*Article, error) {
 
 	article := new(Article)
 	var created []byte
+	var uuidString string
 	var err error
 
-	if err := row.Scan(&article.Title, &created, &article.BannerLink, &article.Summary, &article.Published, &article.CreatorID, &article.IssueID, &article.EditedID, &article.Clicks, &article.IsInIssue, &article.AutoGenerated); err != nil {
+	if err := row.Scan(&article.Title, &created, &article.BannerLink, &article.Summary, &article.Published, &article.CreatorID, &article.IssueID, &article.EditedID, &article.Clicks, &article.IsInIssue, &article.AutoGenerated, &uuidString); err != nil {
 		return nil, fmt.Errorf("error scanning article row: %v", err)
 	}
 
@@ -103,12 +107,42 @@ func (db *DB) GetArticle(id int64) (*Article, error) {
 		return nil, fmt.Errorf("error parsing created: %v", err)
 	}
 
+	article.UUID, err = uuid.Parse(uuidString)
+	if err != nil {
+		return nil, fmt.Errorf("error parsing uuid: %v", err)
+	}
+
+	return article, nil
+}
+
+func (db *DB) GetArticleByUUID(u uuid.UUID) (*Article, error) {
+	query := `
+    SELECT id, title, created, banner_link, summary, published, creator_id, issue_id, edited_id, clicks, is_in_issue, auto_generated
+    FROM articles
+    WHERE uuid = ?
+    `
+	row := db.QueryRow(query, u.String())
+
+	article := new(Article)
+	var created []byte
+	var err error
+
+	if err := row.Scan(&article.ID, &article.Title, &created, &article.BannerLink, &article.Summary, &article.Published, &article.CreatorID, &article.IssueID, &article.EditedID, &article.Clicks, &article.IsInIssue, &article.AutoGenerated); err != nil {
+		return nil, fmt.Errorf("error scanning article row: %v", err)
+	}
+
+	article.UUID = u
+	article.Created, err = time.Parse("2006-01-02 15:04:05", string(created))
+	if err != nil {
+		return nil, fmt.Errorf("error parsing created: %v", err)
+	}
+
 	return article, nil
 }
 
 func (db *DB) GetCertainArticles(attribute string, value bool) ([]*Article, error) {
 	query := fmt.Sprintf(`
-    SELECT id, title, created, banner_link, summary, creator_id, issue_id, clicks, published, rejected, is_in_issue, auto_generated
+    SELECT id, title, created, banner_link, summary, creator_id, issue_id, clicks, published, rejected, is_in_issue, auto_generated, uuid
     FROM articles
     WHERE %s = ?
     `, attribute)
@@ -121,8 +155,9 @@ func (db *DB) GetCertainArticles(attribute string, value bool) ([]*Article, erro
 	for rows.Next() {
 		article := new(Article)
 		var created []byte
+		var uuidString string
 
-		if err = rows.Scan(&article.ID, &article.Title, &created, &article.BannerLink, &article.Summary, &article.CreatorID, &article.IssueID, &article.Clicks, &article.Published, &article.Rejected, &article.IsInIssue, &article.AutoGenerated); err != nil {
+		if err = rows.Scan(&article.ID, &article.Title, &created, &article.BannerLink, &article.Summary, &article.CreatorID, &article.IssueID, &article.Clicks, &article.Published, &article.Rejected, &article.IsInIssue, &article.AutoGenerated, &uuidString); err != nil {
 			return nil, fmt.Errorf("error scanning article row: %v", err)
 		}
 
@@ -131,6 +166,11 @@ func (db *DB) GetCertainArticles(attribute string, value bool) ([]*Article, erro
 			return nil, fmt.Errorf("error parsing created: %v", err)
 		}
 
+		article.UUID, err = uuid.Parse(uuidString)
+		if err != nil {
+			return nil, fmt.Errorf("error parsing uuid: %v", err)
+		}
+
 		articleList = append(articleList, article)
 	}
 
@@ -142,7 +182,7 @@ func (db *DB) GetCurrentIssueArticles() ([]*Article, error) {
 	txOptions := &sql.TxOptions{Isolation: sql.LevelSerializable}
 	issueQuery := "SELECT id FROM issues WHERE published = false"
 	articlesQuery := `
-    SELECT id, title, created, banner_link, summary, clicks, auto_generated
+    SELECT id, title, created, banner_link, summary, clicks, auto_generated, uuid
     FROM articles
     WHERE issue_id = ? AND published = true AND is_in_issue = true
     `
@@ -174,8 +214,9 @@ func (db *DB) GetCurrentIssueArticles() ([]*Article, error) {
 			for rows.Next() {
 				article := new(Article)
 				var created []byte
+				var uuidString string
 
-				if err = rows.Scan(&article.ID, &article.Title, &created, &article.BannerLink, &article.Summary, &article.Clicks, &article.AutoGenerated); err != nil {
+				if err = rows.Scan(&article.ID, &article.Title, &created, &article.BannerLink, &article.Summary, &article.Clicks, &article.AutoGenerated, &uuidString); err != nil {
 					if rollbackErr := tx.Rollback(); rollbackErr != nil {
 						log.Fatalf("transaction error: %v, rollback error: %v", err, rollbackErr)
 					}
@@ -190,6 +231,14 @@ func (db *DB) GetCurrentIssueArticles() ([]*Article, error) {
 					return nil, fmt.Errorf("error parsing created: %v", err)
 				}
 
+				article.UUID, err = uuid.Parse(uuidString)
+				if err != nil {
+					if rollbackErr := tx.Rollback(); rollbackErr != nil {
+						log.Fatalf("transaction error: %v, rollback error: %v", err, rollbackErr)
+					}
+					return nil, fmt.Errorf("error parsing uuid: %v", err)
+				}
+
 				articleList = append(articleList, article)
 			}
 
@@ -284,11 +333,11 @@ func (db *DB) DeleteArticle(id int64) error {
 	return nil
 }
 
-func WriteArticleToFile(c *Config, articleID int64, content []byte) error {
-	articleAbsName := fmt.Sprint(c.ArticleDir, "/", articleID, ".md")
+func WriteArticleToFile(c *Config, articleUUID uuid.UUID, content []byte) error {
+	articleAbsName := fmt.Sprint(c.ArticleDir, "/", articleUUID, ".md")
 
 	if err := os.WriteFile(articleAbsName, content, 0644); err != nil {
-		return fmt.Errorf("error writing article %v to file: %v", articleID, err)
+		return fmt.Errorf("error writing article %v to file: %v", articleUUID, err)
 	}
 
 	return nil

cmd/backend/atom.go

@@ -33,7 +33,7 @@ func GenerateAtomFeed(c *Config, db *DB) (*string, error) {
 		entry := atom.NewEntry(articleTitle)
 		entry.ID = atom.NewID(fmt.Sprint("urn:entry:", article.ID))
 		entry.Published = atom.NewDate(article.Created)
-		entry.Content = atom.NewContent(atom.OutOfLine, "text/hmtl", fmt.Sprint(c.Domain, "/article/serve/", article.ID))
+		entry.Content = atom.NewContent(atom.OutOfLine, "text/html", fmt.Sprint(c.Domain, "/article/serve/", article.UUID))
 
 		if article.AutoGenerated {
 			entry.Summary = atom.NewText("text", "automatically generated")

cmd/backend/config.go

@@ -52,7 +52,7 @@ func newConfig() *Config {
 		PDFDir:            "/var/www/cpolis/pdfs",
 		PicsDir:           "/var/www/cpolis/pics",
 		Port:              ":8080",
-		Version:           "v0.15.0",
+		Version:           "v0.15.2",
 		WebDir:            "/var/www/cpolis/web",
 	}
 }
@@ -91,7 +91,7 @@ func mkFile(path string, filePerm, dirPerm fs.FileMode) (string, error) {
 		}
 
 		fileName := stringSlice[len(stringSlice)-1]
-		file, err := os.Create(dir + "/" + fileName)
+		file, err := os.Create(filepath.Join(dir, fileName))
 		if err != nil {
 			return "", fmt.Errorf("error creating %v: %v", fileName, err)
 		}
@@ -158,6 +158,10 @@ func (c *Config) setupConfig(cliConfig *Config) error {
 	if cliConfig.AESKeyFile != defaultConfig.AESKeyFile {
 		c.AESKeyFile = cliConfig.AESKeyFile
 	}
+	c.AESKeyFile, err = filepath.Abs(c.AESKeyFile)
+	if err != nil {
+		return fmt.Errorf("error setting absolute filepath for AESKeyFile: %v", err)
+	}
 	c.AESKeyFile, err = mkFile(c.AESKeyFile, 0600, 0700)
 	if err != nil {
 		return fmt.Errorf("error setting up file: %v", err)
@@ -166,6 +170,10 @@ func (c *Config) setupConfig(cliConfig *Config) error {
 	if cliConfig.ArticleDir != defaultConfig.ArticleDir {
 		c.ArticleDir = cliConfig.ArticleDir
 	}
+	c.ArticleDir, err = filepath.Abs(c.ArticleDir)
+	if err != nil {
+		return fmt.Errorf("error setting absolute filepath for ArticleDir: %v", err)
+	}
 	c.ArticleDir, err = mkDir(c.ArticleDir, 0700)
 	if err != nil {
 		return fmt.Errorf("error setting up directory: %v", err)
@@ -174,6 +182,10 @@ func (c *Config) setupConfig(cliConfig *Config) error {
 	if cliConfig.AtomFile != defaultConfig.AtomFile {
 		c.AtomFile = cliConfig.AtomFile
 	}
+	c.AtomFile, err = filepath.Abs(c.AtomFile)
+	if err != nil {
+		return fmt.Errorf("error setting absolute filepath for AtomFile: %v", err)
+	}
 	c.AtomFile, err = mkFile(c.AtomFile, 0644, 0744)
 	if err != nil {
 		return fmt.Errorf("error setting up file: %v", err)
@@ -202,6 +214,10 @@ func (c *Config) setupConfig(cliConfig *Config) error {
 	if cliConfig.FirebaseKey != defaultConfig.FirebaseKey {
 		c.FirebaseKey = cliConfig.FirebaseKey
 	}
+	c.FirebaseKey, err = filepath.Abs(c.FirebaseKey)
+	if err != nil {
+		return fmt.Errorf("error setting absolute filepath for FirebaseKey: %v", err)
+	}
 	c.FirebaseKey, err = mkFile(c.FirebaseKey, 0600, 0700)
 	if err != nil {
 		return fmt.Errorf("error setting up file: %v", err)
@@ -214,6 +230,10 @@ func (c *Config) setupConfig(cliConfig *Config) error {
 	if cliConfig.LogFile != defaultConfig.LogFile {
 		c.LogFile = cliConfig.LogFile
 	}
+	c.LogFile, err = filepath.Abs(c.LogFile)
+	if err != nil {
+		return fmt.Errorf("error setting absolute filepath for LogFile: %v", err)
+	}
 	c.LogFile, err = mkFile(c.LogFile, 0600, 0700)
 	if err != nil {
 		return fmt.Errorf("error setting up file: %v", err)
@@ -238,6 +258,10 @@ func (c *Config) setupConfig(cliConfig *Config) error {
 	if cliConfig.PDFDir != defaultConfig.PDFDir {
 		c.PDFDir = cliConfig.PDFDir
 	}
+	c.PDFDir, err = filepath.Abs(c.PDFDir)
+	if err != nil {
+		return fmt.Errorf("error setting absolute filepath for PDFDir: %v", err)
+	}
 	c.PDFDir, err = mkDir(c.PDFDir, 0700)
 	if err != nil {
 		return fmt.Errorf("error setting up directory: %v", err)
@@ -246,6 +270,10 @@ func (c *Config) setupConfig(cliConfig *Config) error {
 	if cliConfig.PicsDir != defaultConfig.PicsDir {
 		c.PicsDir = cliConfig.PicsDir
 	}
+	c.PicsDir, err = filepath.Abs(c.PicsDir)
+	if err != nil {
+		return fmt.Errorf("error setting absolute filepath for PicsDir: %v", err)
+	}
 	c.PicsDir, err = mkDir(c.PicsDir, 0700)
 	if err != nil {
 		return fmt.Errorf("error setting up directory: %v", err)
@@ -262,6 +290,10 @@ func (c *Config) setupConfig(cliConfig *Config) error {
 	if cliConfig.WebDir != defaultConfig.WebDir {
 		c.WebDir = cliConfig.WebDir
 	}
+	c.WebDir, err = filepath.Abs(c.WebDir)
+	if err != nil {
+		return fmt.Errorf("error setting absolute filepath for WebDir: %v", err)
+	}
 	c.WebDir, err = mkDir(c.WebDir, 0700)
 	if err != nil {
 		return fmt.Errorf("error setting up directory: %v", err)

cmd/backend/docx.go

@@ -0,0 +1,57 @@
+package backend
+
+import (
+	"bytes"
+	"fmt"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"regexp"
+
+	"github.com/google/uuid"
+)
+
+func ConvertToMarkdown(c *Config, filename string) ([]byte, error) {
+	var stderr bytes.Buffer
+
+	tmpDir, err := os.MkdirTemp(os.TempDir(), "cpolis_images")
+	if err != nil {
+		return nil, fmt.Errorf("error creating temporary directory: %v", err)
+	}
+	defer os.RemoveAll(tmpDir)
+
+	articleFileName := filepath.Join(os.TempDir(), fmt.Sprint(uuid.New(), ".md"))
+	cmd := exec.Command("pandoc", "-s", "-f", "docx", "-t", "commonmark_x", "-o", articleFileName, "--extract-media", tmpDir, filename) // TODO: Is writing to a file necessary?
+	cmd.Stderr = &stderr
+	if err = cmd.Run(); err != nil {
+		return nil, fmt.Errorf("error converting docx to markdown: %v: %v", err, stderr.String())
+	}
+	defer os.Remove(articleFileName)
+
+	articleContent, err := os.ReadFile(articleFileName)
+	if err != nil {
+		return nil, fmt.Errorf("error reading markdown file: %v", err)
+	}
+
+	imageNames, err := filepath.Glob(filepath.Join(tmpDir, "/media/*"))
+	if err != nil {
+		return nil, fmt.Errorf("error getting docx images from temporary directory: %v", err)
+	}
+
+	for _, name := range imageNames {
+		image, err := os.Open(name)
+		if err != nil {
+			return nil, fmt.Errorf("error opening image file %v: %v", name, err)
+		}
+		defer image.Close()
+
+		newImageName, err := SaveImage(image, c.MaxImgHeight, c.MaxImgWidth, c.PicsDir)
+		if err != nil {
+			return nil, fmt.Errorf("error saving image %v: %v", name, err)
+		}
+
+		articleContent = regexp.MustCompile(name).ReplaceAll(articleContent, []byte(c.Domain+"/image/serve/"+newImageName))
+	}
+
+	return articleContent, nil
+}

cmd/backend/images.go

@@ -1,10 +1,14 @@
 package backend
 
 import (
+	"bufio"
 	"fmt"
 	"image"
 	"io"
+	"io/fs"
 	"os"
+	"path/filepath"
+	"strings"
 
 	"github.com/chai2010/webp"
 	"github.com/disintegration/imaging"
@@ -30,7 +34,7 @@ func SaveImage(src io.Reader, maxHeight, maxWidth int, path string) (string, err
 	}
 
 	filename := fmt.Sprint(uuid.New(), ".webp")
-	file, err := os.Create(path + filename)
+	file, err := os.Create(filepath.Join(path, filename))
 	if err != nil {
 		return "", fmt.Errorf("error creating new image file: %v", err)
 	}
@@ -42,3 +46,68 @@ func SaveImage(src io.Reader, maxHeight, maxWidth int, path string) (string, err
 
 	return filename, nil
 }
+
+func CleanUpImages(c *Config, db *DB) error {
+	if err := filepath.Walk(c.PicsDir, func(path string, info fs.FileInfo, err error) error {
+		if err != nil {
+			return fmt.Errorf("error walking images filepath: %v", err)
+		}
+
+		if !info.IsDir() {
+			imageName := info.Name()
+			imagePath := path
+			imageWasFound := false
+
+			if err = filepath.Walk(c.ArticleDir, func(path string, info fs.FileInfo, err error) error {
+				if err != nil {
+					return fmt.Errorf("error walking articles filepath: %v", err)
+				}
+
+				if !info.IsDir() {
+					mdFile, err := os.Open(path)
+					if err != nil {
+						return fmt.Errorf("error opening article %v: %v", info.Name(), err)
+					}
+					defer mdFile.Close()
+
+					scanner := bufio.NewScanner(mdFile)
+
+					for scanner.Scan() {
+						if strings.Contains(scanner.Text(), imageName) {
+							imageWasFound = true
+						}
+					}
+
+					return scanner.Err()
+				}
+
+				return nil
+			}); err != nil {
+				return fmt.Errorf("error walking articles filepath: %v", err)
+			}
+
+			users, err := db.GetAllUsers(c)
+			if err != nil {
+				return fmt.Errorf("error getting all users: %v", err)
+			}
+
+			for _, user := range users {
+				if imageName == user.ProfilePicLink {
+					imageWasFound = true
+				}
+			}
+
+			if !imageWasFound {
+				if err = os.Remove(imagePath); err != nil {
+					return fmt.Errorf("error removing unused image: %v", err)
+				}
+			}
+		}
+
+		return nil
+	}); err != nil {
+		return fmt.Errorf("error cleaning up: %v", err)
+	}
+
+	return nil
+}

cmd/calls/articles.go

@@ -5,8 +5,8 @@ import (
 	"log"
 	"net/http"
 	"os"
-	"strconv"
 
+	"github.com/google/uuid"
 	b "streifling.com/jason/cpolis/cmd/backend"
 )
 
@@ -37,15 +37,15 @@ func ServeArticle(c *b.Config, db *b.DB) http.HandlerFunc {
 			return
 		}
 
-		idString := r.PathValue("id")
-		id, err := strconv.ParseInt(idString, 10, 64)
+		uuidString := r.PathValue("uuid")
+		uuid, err := uuid.Parse(uuidString)
 		if err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
 			return
 		}
 
-		article, err := db.GetArticle(id)
+		article, err := db.GetArticleByUUID(uuid)
 		if err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -56,7 +56,7 @@ func ServeArticle(c *b.Config, db *b.DB) http.HandlerFunc {
 			return
 		}
 
-		articleAbsName := fmt.Sprint(c.ArticleDir, "/", article.ID, ".md")
+		articleAbsName := fmt.Sprint(c.ArticleDir, "/", article.UUID, ".md")
 		contentBytes, err := os.ReadFile(articleAbsName)
 		if err != nil {
 			log.Println(err)
@@ -87,15 +87,14 @@ func ServeArticle(c *b.Config, db *b.DB) http.HandlerFunc {
 
 func ServeClicks(db *b.DB) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		idString := r.PathValue("id")
-		id, err := strconv.ParseInt(idString, 10, 64)
+		uuid, err := uuid.Parse(r.PathValue("uuid"))
 		if err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
 			return
 		}
 
-		article, err := db.GetArticle(id)
+		article, err := db.GetArticleByUUID(uuid)
 		if err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)

cmd/calls/atom.go

@@ -1,9 +1,7 @@
 package calls
 
 import (
-	"log"
 	"net/http"
-	"path/filepath"
 
 	b "streifling.com/jason/cpolis/cmd/backend"
 )
@@ -14,13 +12,6 @@ func ServeAtomFeed(c *b.Config) http.HandlerFunc {
 			return
 		}
 
-		absFilepath, err := filepath.Abs(c.AtomFile)
-		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
-		http.ServeFile(w, r, absFilepath)
+		http.ServeFile(w, r, c.AtomFile)
 	}
 }

cmd/calls/images.go

@@ -1,7 +1,6 @@
 package calls
 
 import (
-	"log"
 	"net/http"
 	"path/filepath"
 
@@ -17,13 +16,6 @@ func ServeImage(c *b.Config, s map[string]*f.Session) http.HandlerFunc {
 			}
 		}
 
-		absFilepath, err := filepath.Abs(c.PicsDir)
-		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
-		http.ServeFile(w, r, absFilepath+"/"+r.PathValue("pic"))
+		http.ServeFile(w, r, filepath.Join(c.PicsDir, r.PathValue("pic")))
 	}
 }

cmd/frontend/articles.go

@@ -6,10 +6,12 @@ import (
 	"log"
 	"net/http"
 	"os"
+	"path/filepath"
 	"strconv"
 	"strings"
 	"time"
 
+	"github.com/google/uuid"
 	b "streifling.com/jason/cpolis/cmd/backend"
 )
 
@@ -82,7 +84,7 @@ func WriteArticle(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc
 			return
 		}
 
-		tmpl, err := template.ParseFiles(c.WebDir + "/templates/editor.html")
+		tmpl, err := template.ParseFiles(filepath.Join(c.WebDir, "templates", "editor.html"))
 		if err = template.Must(tmpl, err).ExecuteTemplate(w, "page-content", data); err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -109,6 +111,7 @@ func SubmitArticle(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFun
 			IsInIssue:     r.PostFormValue("issue") == "on",
 			AutoGenerated: false,
 			EditedID:      0,
+			UUID:          uuid.New(),
 		}
 
 		if len(article.Title) == 0 {
@@ -164,7 +167,7 @@ func SubmitArticle(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFun
 			http.Error(w, "Bitte den Artikel eingeben.", http.StatusBadRequest)
 			return
 		}
-		if err := b.WriteArticleToFile(c, article.ID, content); err != nil {
+		if err := b.WriteArticleToFile(c, article.UUID, content); err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
 			return
@@ -203,7 +206,7 @@ func SubmitArticle(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFun
 		data := new(struct{ Role int })
 		data.Role = session.User.Role
 
-		tmpl, err := template.ParseFiles(c.WebDir + "/templates/hub.html")
+		tmpl, err := template.ParseFiles(filepath.Join(c.WebDir, "templates", "hub.html"))
 		tmpl = template.Must(tmpl, err)
 		if err = tmpl.ExecuteTemplate(w, "page-content", data); err != nil {
 			log.Println(err)
@@ -221,14 +224,26 @@ func ResubmitArticle(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerF
 			return
 		}
 
-		article := &b.Article{
-			Title:      r.PostFormValue("article-title"),
-			BannerLink: r.PostFormValue("article-banner-url"),
-			Summary:    r.PostFormValue("article-summary"),
-			CreatorID:  session.User.ID,
-			IsInIssue:  r.PostFormValue("issue") == "on",
+		id, err := strconv.ParseInt(r.PathValue("id"), 10, 64)
+		if err != nil {
+			log.Println(err)
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
 		}
 
+		article, err := db.GetArticle(id)
+		if err != nil {
+			log.Println(err)
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		article.Title = r.PostFormValue("article-title")
+		article.BannerLink = r.PostFormValue("article-banner-url")
+		article.Summary = r.PostFormValue("article-summary")
+		article.CreatorID = session.User.ID
+		article.IsInIssue = r.PostFormValue("issue") == "on"
+
 		if len(article.Title) == 0 {
 			http.Error(w, "Bitte den Titel eingeben.", http.StatusBadRequest)
 			return
@@ -270,20 +285,13 @@ func ResubmitArticle(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerF
 			return
 		}
 
-		article.ID, err = strconv.ParseInt(r.PathValue("id"), 10, 64)
-		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
 		content := r.PostFormValue("article-content")
 		if len(content) == 0 {
 			http.Error(w, "Bitte den Artikel eingeben.", http.StatusBadRequest)
 			return
 		}
-		contentLink := fmt.Sprint(c.ArticleDir, "/", article.ID, ".md")
-		if err = os.WriteFile(contentLink, []byte(content), 0644); err != nil {
+
+		if err = b.WriteArticleToFile(c, article.UUID, []byte(content)); err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
 			return
@@ -333,7 +341,7 @@ func ResubmitArticle(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerF
 		data := new(struct{ Role int })
 		data.Role = session.User.Role
 
-		tmpl, err := template.ParseFiles(c.WebDir + "/templates/hub.html")
+		tmpl, err := template.ParseFiles(filepath.Join(c.WebDir, "templates", "hub.html"))
 		tmpl = template.Must(tmpl, err)
 		if err = tmpl.ExecuteTemplate(w, "page-content", data); err != nil {
 			log.Println(err)
@@ -377,7 +385,7 @@ func ShowUnpublishedUnrejectedAndPublishedRejectedArticles(c *b.Config, db *b.DB
 			}
 		}
 
-		tmpl, err := template.ParseFiles(c.WebDir + "/templates/unpublished-articles.html")
+		tmpl, err := template.ParseFiles(filepath.Join(c.WebDir, "templates", "unpublished-articles.html"))
 		if err = template.Must(tmpl, err).ExecuteTemplate(w, "page-content", articles); err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -413,7 +421,7 @@ func ShowRejectedArticles(c *b.Config, db *b.DB, s map[string]*Session) http.Han
 			}
 		}
 
-		tmpl, err := template.ParseFiles(c.WebDir + "/templates/rejected-articles.html")
+		tmpl, err := template.ParseFiles(filepath.Join(c.WebDir, "templates", "rejected-articles.html"))
 		tmpl = template.Must(tmpl, err)
 		if err = tmpl.ExecuteTemplate(w, "page-content", data); err != nil {
 			log.Println(err)
@@ -448,7 +456,7 @@ func ReviewRejectedArticle(c *b.Config, db *b.DB, s map[string]*Session) http.Ha
 
 		data.Image = data.Article.BannerLink
 
-		articleAbsName := fmt.Sprint(c.ArticleDir, "/", data.Article.ID, ".md")
+		articleAbsName := fmt.Sprint(c.ArticleDir, "/", data.Article.UUID, ".md")
 		content, err := os.ReadFile(articleAbsName)
 		if err != nil {
 			log.Println(err)
@@ -517,7 +525,7 @@ func ReviewRejectedArticle(c *b.Config, db *b.DB, s map[string]*Session) http.Ha
 
 		data.Action = fmt.Sprint("resubmit/", data.Article.ID)
 
-		tmpl, err := template.ParseFiles(c.WebDir + "/templates/editor.html")
+		tmpl, err := template.ParseFiles(filepath.Join(c.WebDir, "templates", "editor.html"))
 		tmpl = template.Must(tmpl, err)
 		if err = tmpl.ExecuteTemplate(w, "page-content", data); err != nil {
 			log.Println(err)
@@ -579,7 +587,7 @@ func PublishArticle(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFu
 				return
 			}
 
-			if err = os.Remove(fmt.Sprint(c.ArticleDir, "/", oldArticle.ID, ".md")); err != nil {
+			if err = os.Remove(fmt.Sprint(c.ArticleDir, "/", oldArticle.UUID, ".md")); err != nil {
 				log.Println(err)
 				http.Error(w, err.Error(), http.StatusInternalServerError)
 				return
@@ -607,7 +615,7 @@ func PublishArticle(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFu
 		data := new(struct{ Role int })
 		data.Role = session.User.Role
 
-		tmpl, err := template.ParseFiles(c.WebDir + "/templates/hub.html")
+		tmpl, err := template.ParseFiles(filepath.Join(c.WebDir, "templates", "hub.html"))
 		tmpl = template.Must(tmpl, err)
 		if err = tmpl.ExecuteTemplate(w, "page-content", data); err != nil {
 			log.Println(err)
@@ -641,7 +649,7 @@ func RejectArticle(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFun
 		data := new(struct{ Role int })
 		data.Role = session.User.Role
 
-		tmpl, err := template.ParseFiles(c.WebDir + "/templates/hub.html")
+		tmpl, err := template.ParseFiles(filepath.Join(c.WebDir, "templates", "hub.html"))
 		tmpl = template.Must(tmpl, err)
 		if err = tmpl.ExecuteTemplate(w, "page-content", data); err != nil {
 			log.Println(err)
@@ -665,7 +673,7 @@ func ShowCurrentIssue(c *b.Config, db *b.DB, s map[string]*Session) http.Handler
 			return
 		}
 
-		tmpl, err := template.ParseFiles(c.WebDir + "/templates/current-issue.html")
+		tmpl, err := template.ParseFiles(filepath.Join(c.WebDir, "templates", "current-issue.html"))
 		if err = template.Must(tmpl, err).ExecuteTemplate(w, "page-content", articles); err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -700,7 +708,7 @@ func ShowPublishedArticles(c *b.Config, db *b.DB, s map[string]*Session, action
 			}
 		}
 
-		tmpl, err := template.ParseFiles(c.WebDir + "/templates/published-articles.html")
+		tmpl, err := template.ParseFiles(filepath.Join(c.WebDir, "templates", "published-articles.html"))
 		tmpl = template.Must(tmpl, err)
 		if err = tmpl.ExecuteTemplate(w, "page-content", data); err != nil {
 			log.Println(err)
@@ -757,7 +765,7 @@ func ReviewArticle(c *b.Config, db *b.DB, s map[string]*Session, action, title,
 			return
 		}
 
-		articleAbsName := fmt.Sprint(c.ArticleDir, "/", article.ID, ".md")
+		articleAbsName := fmt.Sprint(c.ArticleDir, "/", article.UUID, ".md")
 		content, err := os.ReadFile(articleAbsName)
 		if err != nil {
 			log.Println(err)
@@ -795,7 +803,7 @@ func ReviewArticle(c *b.Config, db *b.DB, s map[string]*Session, action, title,
 			return
 		}
 
-		tmpl, err := template.ParseFiles(c.WebDir + "/templates/review-article.html")
+		tmpl, err := template.ParseFiles(filepath.Join(c.WebDir, "templates", "review-article.html"))
 		if err = template.Must(tmpl, err).ExecuteTemplate(w, "page-content", data); err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -819,18 +827,32 @@ func DeleteArticle(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFun
 			return
 		}
 
+		article, err := db.GetArticle(id)
+		if err != nil {
+			log.Println(err)
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
 		if err = db.DeleteArticle(id); err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
 			return
 		}
 
-		if err = os.Remove(fmt.Sprint(c.ArticleDir, "/", id, ".md")); err != nil {
+		if err = os.Remove(fmt.Sprint(c.ArticleDir, "/", article.UUID, ".md")); err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
 			return
 		}
 
+		go func(c *b.Config, db *b.DB) {
+			if err = b.CleanUpImages(c, db); err != nil {
+				log.Println(err)
+				http.Error(w, err.Error(), http.StatusInternalServerError)
+			}
+		}(c, db)
+
 		feed, err := b.GenerateAtomFeed(c, db)
 		if err != nil {
 			log.Println(err)
@@ -846,7 +868,7 @@ func DeleteArticle(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFun
 		data := new(struct{ Role int })
 		data.Role = session.User.Role
 
-		tmpl, err := template.ParseFiles(c.WebDir + "/templates/hub.html")
+		tmpl, err := template.ParseFiles(filepath.Join(c.WebDir, "templates", "hub.html"))
 		tmpl = template.Must(tmpl, err)
 		if err = tmpl.ExecuteTemplate(w, "page-content", data); err != nil {
 			log.Println(err)
@@ -896,8 +918,8 @@ func AllowEditArticle(c *b.Config, db *b.DB, s map[string]*Session) http.Handler
 			return
 		}
 
-		src := fmt.Sprint(c.ArticleDir, "/", oldArticle.ID, ".md")
-		dst := fmt.Sprint(c.ArticleDir, "/", newArticle.ID, ".md")
+		src := fmt.Sprint(c.ArticleDir, "/", oldArticle.UUID, ".md")
+		dst := fmt.Sprint(c.ArticleDir, "/", newArticle.UUID, ".md")
 		if err = b.CopyFile(src, dst); err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -939,7 +961,7 @@ func AllowEditArticle(c *b.Config, db *b.DB, s map[string]*Session) http.Handler
 		data := new(struct{ Role int })
 		data.Role = session.User.Role
 
-		tmpl := template.Must(template.ParseFiles(c.WebDir + "/templates/hub.html"))
+		tmpl := template.Must(template.ParseFiles(filepath.Join(c.WebDir, "templates", "hub.html")))
 		if err = tmpl.ExecuteTemplate(w, "page-content", data); err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -973,7 +995,7 @@ func EditArticle(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc
 
 		data.Image = data.Article.BannerLink
 
-		content, err := os.ReadFile(fmt.Sprint(c.ArticleDir, "/", data.Article.ID, ".md"))
+		content, err := os.ReadFile(fmt.Sprint(c.ArticleDir, "/", data.Article.UUID, ".md"))
 		if err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -1001,7 +1023,7 @@ func EditArticle(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc
 
 		data.Action = fmt.Sprint("save/", data.Article.ID)
 
-		tmpl, err := template.ParseFiles(c.WebDir + "/templates/editor.html")
+		tmpl, err := template.ParseFiles(filepath.Join(c.WebDir, "templates", "editor.html"))
 		if err = template.Must(tmpl, err).ExecuteTemplate(w, "page-content", data); err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)

cmd/frontend/docx.go

@@ -0,0 +1,93 @@
+package frontend
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"log"
+	"net/http"
+	"os"
+	"path/filepath"
+	"time"
+
+	"github.com/gabriel-vasile/mimetype"
+	"github.com/google/uuid"
+	b "streifling.com/jason/cpolis/cmd/backend"
+)
+
+func UploadDocx(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		session, err := ManageSession(w, r, c, s)
+		if err != nil {
+			http.Error(w, "Die Session ist abgelaufen. Bitte erneut anmelden.", http.StatusUnauthorized)
+			return
+		}
+
+		file, fileHeader, err := r.FormFile("docx-upload")
+		if err != nil {
+			log.Println(err)
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		defer file.Close()
+
+		var buf bytes.Buffer
+		if _, err = io.Copy(&buf, file); err != nil {
+			log.Println(err)
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		mime := mimetype.Detect(buf.Bytes())
+		if !mime.Is("application/vnd.openxmlformats-officedocument.wordprocessingml.document") {
+			http.Error(w, "Die Datei ist kein DOCX Worddokument.", http.StatusBadRequest)
+			return
+		}
+
+		docxFilepath := filepath.Join(os.TempDir(), fmt.Sprint(uuid.New(), ".docx"))
+		if err = os.WriteFile(docxFilepath, buf.Bytes(), 0644); err != nil {
+			log.Println(err)
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		defer os.Remove(docxFilepath)
+
+		mdString, err := b.ConvertToMarkdown(c, docxFilepath)
+		if err != nil {
+			log.Println(err)
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		uuidName := uuid.New()
+		mdFilepath := filepath.Join(c.ArticleDir, fmt.Sprint(uuidName, ".md"))
+		if err = os.WriteFile(mdFilepath, mdString, 0644); err != nil {
+			log.Println(err)
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		article := &b.Article{
+			Created:   time.Now(),
+			UUID:      uuidName,
+			CreatorID: session.User.ID,
+			Rejected:  true,
+		}
+		article.Title = fmt.Sprint(fileHeader.Filename, "-", article.UUID)
+
+		id, err := db.AddArticle(article)
+		if err != nil {
+			log.Println(err)
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		if err = db.WriteArticleAuthors(id, []int64{session.User.ID}); err != nil {
+			log.Println(err)
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		w.WriteHeader(http.StatusOK)
+	}
+}

cmd/frontend/homepage.go

@@ -4,6 +4,7 @@ import (
 	"html/template"
 	"log"
 	"net/http"
+	"path/filepath"
 	"time"
 
 	b "streifling.com/jason/cpolis/cmd/backend"
@@ -24,14 +25,14 @@ func HomePage(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 		data.Version = c.Version
 
 		files := make([]string, 2)
-		files[0] = c.WebDir + "/templates/index.html"
+		files[0] = filepath.Join(c.WebDir, "templates", "index.html")
 		if numRows == 0 {
 			data.Role = b.NonExistent
 			data.Title = "Erster Benutzer (Administrator)"
 			data.ButtonText = "Anlegen"
 			data.URL = "/user/add-first"
 
-			files[1] = c.WebDir + "/templates/edit-user.html"
+			files[1] = filepath.Join(c.WebDir, "templates", "edit-user.html")
 			tmpl, err := template.ParseFiles(files...)
 			if err = template.Must(tmpl, err).Execute(w, data); err != nil {
 				log.Println(err)
@@ -41,7 +42,7 @@ func HomePage(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 		} else {
 			cookie, err := r.Cookie("cpolis_session")
 			if err != nil {
-				files[1] = c.WebDir + "/templates/login.html"
+				files[1] = filepath.Join(c.WebDir, "templates", "login.html")
 				tmpl, err := template.ParseFiles(files...)
 				if err = template.Must(tmpl, err).Execute(w, data); err != nil {
 					log.Println(err)
@@ -56,7 +57,7 @@ func HomePage(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 				cookie.Expires = time.Now()
 				http.SetCookie(w, cookie)
 
-				files[1] = c.WebDir + "/templates/login.html"
+				files[1] = filepath.Join(c.WebDir, "templates", "login.html")
 				tmpl, err := template.ParseFiles(files...)
 				if err = template.Must(tmpl, err).Execute(w, data); err != nil {
 					log.Println(err)
@@ -67,7 +68,7 @@ func HomePage(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 			}
 
 			data.Role = session.User.Role
-			files[1] = c.WebDir + "/templates/hub.html"
+			files[1] = filepath.Join(c.WebDir, "templates", "hub.html")
 			tmpl, err := template.ParseFiles(files...)
 			if err = template.Must(tmpl, err).Execute(w, data); err != nil {
 				log.Println(err)
@@ -89,7 +90,7 @@ func ShowHub(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 		data := new(struct{ Role int })
 		data.Role = session.User.Role
 
-		tmpl, err := template.ParseFiles(c.WebDir + "/templates/hub.html")
+		tmpl, err := template.ParseFiles(filepath.Join(c.WebDir, "templates", "hub.html"))
 		if err = template.Must(tmpl, err).ExecuteTemplate(w, "page-content", data); err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)

cmd/frontend/images.go

@@ -5,6 +5,7 @@ import (
 	"html/template"
 	"log"
 	"net/http"
+	"path/filepath"
 
 	b "streifling.com/jason/cpolis/cmd/backend"
 )
@@ -70,7 +71,7 @@ func UploadImage(c *b.Config, s map[string]*Session, fileKey, htmlFile, htmlTemp
 		data := new(struct{ Image string })
 		data.Image = filename
 
-		tmpl, err := template.ParseFiles(c.WebDir + "/templates/" + htmlFile)
+		tmpl, err := template.ParseFiles(filepath.Join(c.WebDir, "templates", htmlFile))
 		if err = template.Must(tmpl, err).ExecuteTemplate(w, htmlTemplate, data); err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)

cmd/frontend/issues.go

@@ -6,8 +6,10 @@ import (
 	"log"
 	"net/http"
 	"os"
+	"path/filepath"
 	"time"
 
+	"github.com/google/uuid"
 	b "streifling.com/jason/cpolis/cmd/backend"
 )
 
@@ -26,6 +28,7 @@ func PublishLatestIssue(c *b.Config, db *b.DB, s map[string]*Session) http.Handl
 			Rejected:      false,
 			Created:       time.Now(),
 			AutoGenerated: true,
+			UUID:          uuid.New(),
 		}
 
 		if len(article.Title) == 0 {
@@ -55,7 +58,7 @@ func PublishLatestIssue(c *b.Config, db *b.DB, s map[string]*Session) http.Handl
 			return
 		}
 
-		articleAbsName := fmt.Sprint(c.ArticleDir, "/", article.ID, ".md")
+		articleAbsName := fmt.Sprint(c.ArticleDir, "/", article.UUID, ".md")
 		if err = os.WriteFile(articleAbsName, content, 0644); err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -89,7 +92,7 @@ func PublishLatestIssue(c *b.Config, db *b.DB, s map[string]*Session) http.Handl
 		data := new(struct{ Role int })
 		data.Role = session.User.Role
 
-		tmpl, err := template.ParseFiles(c.WebDir + "/templates/hub.html")
+		tmpl, err := template.ParseFiles(filepath.Join(c.WebDir, "templates", "hub.html"))
 		tmpl = template.Must(tmpl, err)
 		if err = tmpl.ExecuteTemplate(w, "page-content", data); err != nil {
 			log.Println(err)

cmd/frontend/pdf.go

@@ -5,6 +5,7 @@ import (
 	"log"
 	"net/http"
 	"path/filepath"
+	"strings"
 
 	"github.com/google/uuid"
 	b "streifling.com/jason/cpolis/cmd/backend"
@@ -17,7 +18,7 @@ func UploadPDF(c *b.Config, s map[string]*Session) http.HandlerFunc {
 			return
 		}
 
-		file, _, err := r.FormFile("pdf-upload")
+		file, header, err := r.FormFile("pdf-upload")
 		if err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -43,15 +44,11 @@ func UploadPDF(c *b.Config, s map[string]*Session) http.HandlerFunc {
 			return
 		}
 
-		filename := fmt.Sprint(uuid.New(), ".pdf")
-		absFilepath, err := filepath.Abs(c.PDFDir + "/" + filename)
-		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
+		oldFilename := strings.Join(strings.Split(header.Filename, ".")[:len(header.Filename)-1], ".")
+		filename := fmt.Sprint(oldFilename, ".", uuid.New(), ".pdf")
+		filepath := filepath.Join(c.PDFDir, filename)
 
-		if err = b.WriteFile(absFilepath, file); err != nil {
+		if err = b.WriteFile(filepath, file); err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
 			return

cmd/frontend/sessions.go

@@ -7,6 +7,7 @@ import (
 	"html/template"
 	"log"
 	"net/http"
+	"path/filepath"
 	"time"
 
 	"github.com/google/uuid"
@@ -67,7 +68,7 @@ func StartSessions() (map[string]*Session, chan string) {
 // their session and an error. It also handles cases where the user is not
 // logged in.
 func ManageSession(w http.ResponseWriter, r *http.Request, c *b.Config, s map[string]*Session) (*Session, error) {
-	tmpl, tmplErr := template.ParseFiles(c.WebDir+"/templates/index.html", c.WebDir+"/templates/login.html")
+	tmpl, tmplErr := template.ParseFiles(filepath.Join(c.WebDir, "templates", "index.html"), filepath.Join(c.WebDir, "templates", "login.html"))
 
 	cookie, err := r.Cookie("cpolis_session")
 	if err != nil {
@@ -124,7 +125,7 @@ func Login(c *b.Config, db *b.DB, s map[string]*Session, sessionExpiryChan chan
 		s[session.cookie.Value] = session
 		http.SetCookie(w, session.cookie)
 
-		tmpl, err := template.ParseFiles(c.WebDir + "/templates/hub.html")
+		tmpl, err := template.ParseFiles(filepath.Join(c.WebDir, "templates", "hub.html"))
 		if err = template.Must(tmpl, err).ExecuteTemplate(w, "page-content", user); err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -135,7 +136,7 @@ func Login(c *b.Config, db *b.DB, s map[string]*Session, sessionExpiryChan chan
 
 func Logout(c *b.Config, s map[string]*Session) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		tmpl, tmplErr := template.ParseFiles(c.WebDir + "/templates/login.html")
+		tmpl, tmplErr := template.ParseFiles(filepath.Join(c.WebDir, "templates", "login.html"))
 
 		cookie, err := r.Cookie("cpolis_session")
 		if err != nil {

cmd/frontend/tags.go

@@ -4,6 +4,7 @@ import (
 	"html/template"
 	"log"
 	"net/http"
+	"path/filepath"
 
 	b "streifling.com/jason/cpolis/cmd/backend"
 )
@@ -15,7 +16,7 @@ func CreateTag(c *b.Config, s map[string]*Session) http.HandlerFunc {
 			return
 		}
 
-		tmpl, err := template.ParseFiles(c.WebDir + "/templates/add-tag.html")
+		tmpl, err := template.ParseFiles(filepath.Join(c.WebDir, "templates", "add-tag.html"))
 		if err = template.Must(tmpl, err).ExecuteTemplate(w, "page-content", nil); err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -42,7 +43,7 @@ func AddTag(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 		data := new(struct{ Role int })
 		data.Role = session.User.Role
 
-		tmpl, err := template.ParseFiles(c.WebDir + "/templates/hub.html")
+		tmpl, err := template.ParseFiles(filepath.Join(c.WebDir, "templates", "hub.html"))
 		tmpl = template.Must(tmpl, err)
 		if err = tmpl.ExecuteTemplate(w, "page-content", data); err != nil {
 			log.Println(err)

cmd/frontend/users.go

@@ -5,6 +5,7 @@ import (
 	"html/template"
 	"log"
 	"net/http"
+	"path/filepath"
 	"sort"
 	"strconv"
 
@@ -57,7 +58,7 @@ func CreateUser(c *b.Config, s map[string]*Session) http.HandlerFunc {
 			URL:        "/user/add",
 		}
 
-		tmpl, err := template.ParseFiles(c.WebDir + "/templates/edit-user.html")
+		tmpl, err := template.ParseFiles(filepath.Join(c.WebDir, "templates", "edit-user.html"))
 		if err = template.Must(tmpl, err).ExecuteTemplate(w, "page-content", data); err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -134,7 +135,7 @@ func AddUser(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 		data := new(struct{ Role int })
 		data.Role = session.User.Role
 
-		tmpl, err := template.ParseFiles(c.WebDir + "/templates/hub.html")
+		tmpl, err := template.ParseFiles(filepath.Join(c.WebDir, "templates", "hub.html"))
 		tmpl = template.Must(tmpl, err)
 		if err = tmpl.ExecuteTemplate(w, "page-content", data); err != nil {
 			log.Println(err)
@@ -167,7 +168,7 @@ func EditSelf(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 			Image:      user.ProfilePicLink,
 		}
 
-		tmpl, err := template.ParseFiles(c.WebDir + "/templates/edit-user.html")
+		tmpl, err := template.ParseFiles(filepath.Join(c.WebDir, "templates", "edit-user.html"))
 		if err = template.Must(tmpl, err).ExecuteTemplate(w, "page-content", data); err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -242,7 +243,7 @@ func UpdateSelf(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 		data := new(struct{ Role int })
 		data.Role = session.User.Role
 
-		tmpl, err := template.ParseFiles(c.WebDir + "/templates/hub.html")
+		tmpl, err := template.ParseFiles(filepath.Join(c.WebDir, "templates", "hub.html"))
 		tmpl = template.Must(tmpl, err)
 		if err = tmpl.ExecuteTemplate(w, "page-content", data); err != nil {
 			log.Println(err)
@@ -252,7 +253,7 @@ func UpdateSelf(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 	}
 }
 
-func AddFirstUser(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
+func AddFirstUser(c *b.Config, db *b.DB, s map[string]*Session, sessionExpiryChan chan string) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		var err error
 		user := &b.User{
@@ -305,10 +306,14 @@ func AddFirstUser(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc
 			return
 		}
 
-		data := new(struct{ Role int })
-		data.Role = 0
+		session := newSession(w, c, sessionExpiryChan, user)
+		s[session.cookie.Value] = session
+		http.SetCookie(w, session.cookie)
 
-		tmpl, err := template.ParseFiles(c.WebDir + "/templates/hub.html")
+		data := new(struct{ Role int })
+		data.Role = user.Role
+
+		tmpl, err := template.ParseFiles(filepath.Join(c.WebDir, "templates", "hub.html"))
 		if err = template.Must(tmpl, err).ExecuteTemplate(w, "page-content", data); err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -339,7 +344,7 @@ func ShowAllUsers(c *b.Config, db *b.DB, s map[string]*Session, action string) h
 		}
 		delete(data.Users, session.User.ID)
 
-		tmpl, err := template.ParseFiles(c.WebDir + "/templates/show-all-users.html")
+		tmpl, err := template.ParseFiles(filepath.Join(c.WebDir, "templates", "show-all-users.html"))
 		if err = template.Must(tmpl, err).ExecuteTemplate(w, "page-content", data); err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -377,7 +382,7 @@ func EditUser(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 			Image:      user.ProfilePicLink,
 		}
 
-		tmpl, err := template.ParseFiles(c.WebDir + "/templates/edit-user.html")
+		tmpl, err := template.ParseFiles(filepath.Join(c.WebDir, "templates", "edit-user.html"))
 		if err = template.Must(tmpl, err).ExecuteTemplate(w, "page-content", data); err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -462,7 +467,7 @@ func UpdateUser(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 		data := new(struct{ Role int })
 		data.Role = session.User.Role
 
-		tmpl := template.Must(template.ParseFiles(c.WebDir + "/templates/hub.html"))
+		tmpl := template.Must(template.ParseFiles(filepath.Join(c.WebDir, "templates", "hub.html")))
 		if err = tmpl.ExecuteTemplate(w, "page-content", data); err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -495,7 +500,7 @@ func DeleteUser(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 		data := new(struct{ Role int })
 		data.Role = session.User.Role
 
-		tmpl, err := template.ParseFiles(c.WebDir + "/templates/hub.html")
+		tmpl, err := template.ParseFiles(filepath.Join(c.WebDir, "templates", "hub.html"))
 		tmpl = template.Must(tmpl, err)
 		if err = tmpl.ExecuteTemplate(w, "page-content", data); err != nil {
 			log.Println(err)

cmd/main.go

@@ -4,6 +4,7 @@ import (
 	"log"
 	"net/http"
 	"os"
+	"time"
 
 	b "streifling.com/jason/cpolis/cmd/backend"
 	c "streifling.com/jason/cpolis/cmd/calls"
@@ -32,6 +33,15 @@ func main() {
 	sessions, sessionExpiryChan := f.StartSessions()
 	defer close(sessionExpiryChan)
 
+	go func(c *b.Config, db *b.DB) {
+		for {
+			if err = b.CleanUpImages(c, db); err != nil {
+				log.Println(err)
+			}
+			time.Sleep(time.Hour * 24)
+		}
+	}(config, db)
+
 	mux := http.NewServeMux()
 	mux.Handle("/web/static/", http.StripPrefix("/web/static/",
 		http.FileServer(http.Dir(config.WebDir+"/static/"))))
@@ -50,8 +60,8 @@ func main() {
 	mux.HandleFunc("GET /article/review-edit/{id}", f.ReviewArticle(config, db, sessions, "allow-edit", "Artikel bearbeiten", "Bearbeiten erlauben"))
 	mux.HandleFunc("GET /article/review-rejected/{id}", f.ReviewRejectedArticle(config, db, sessions))
 	mux.HandleFunc("GET /article/review-unpublished/{id}", f.ReviewArticle(config, db, sessions, "publish", "Artikel veröffentlichen", "Veröffentlichen"))
-	mux.HandleFunc("GET /article/serve/{id}", c.ServeArticle(config, db))
-	mux.HandleFunc("GET /article/serve/{id}/clicks", c.ServeClicks(db))
+	mux.HandleFunc("GET /article/serve/{uuid}", c.ServeArticle(config, db))
+	mux.HandleFunc("GET /article/serve/{uuid}/clicks", c.ServeClicks(db))
 	mux.HandleFunc("GET /article/write", f.WriteArticle(config, db, sessions))
 	mux.HandleFunc("GET /atom/serve", c.ServeAtomFeed(config))
 	mux.HandleFunc("GET /hub", f.ShowHub(config, db, sessions))
@@ -72,13 +82,14 @@ func main() {
 	mux.HandleFunc("POST /article/submit", f.SubmitArticle(config, db, sessions))
 	mux.HandleFunc("POST /article/upload-banner", f.UploadImage(config, sessions, "article-banner", "editor.html", "article-banner-template"))
 	mux.HandleFunc("POST /article/upload-image", f.UploadEasyMDEImage(config, sessions))
+	mux.HandleFunc("POST /docx/upload", f.UploadDocx(config, db, sessions))
 	mux.HandleFunc("POST /issue/publish", f.PublishLatestIssue(config, db, sessions))
 	mux.HandleFunc("POST /issue/upload-banner", f.UploadImage(config, sessions, "issue-banner", "current-issue.html", "issue-banner-template"))
 	mux.HandleFunc("POST /login", f.Login(config, db, sessions, sessionExpiryChan))
 	mux.HandleFunc("POST /pdf/upload", f.UploadPDF(config, sessions))
 	mux.HandleFunc("POST /tag/add", f.AddTag(config, db, sessions))
 	mux.HandleFunc("POST /user/add", f.AddUser(config, db, sessions))
-	mux.HandleFunc("POST /user/add-first", f.AddFirstUser(config, db, sessions))
+	mux.HandleFunc("POST /user/add-first", f.AddFirstUser(config, db, sessions, sessionExpiryChan))
 	mux.HandleFunc("POST /user/update/{id}", f.UpdateUser(config, db, sessions))
 	mux.HandleFunc("POST /user/update/self", f.UpdateSelf(config, db, sessions))
 	mux.HandleFunc("POST /user/upload-profile-pic", f.UploadImage(config, sessions, "upload-profile-pic", "edit-user.html", "profile-pic-template"))

create_db.sql

@@ -38,6 +38,7 @@ CREATE TABLE articles (
     clicks INT NOT NULL,
     is_in_issue BOOL NOT NULL,
     auto_generated BOOL NOT NULL,
+    uuid VARCHAR(36) NOT NULL,
     PRIMARY KEY (id),
     FOREIGN KEY (creator_id) REFERENCES users (id),
     FOREIGN KEY (issue_id) REFERENCES issues (id)

go.mod

@@ -8,6 +8,7 @@ require (
 	github.com/BurntSushi/toml v1.4.0
 	github.com/chai2010/webp v1.1.1
 	github.com/disintegration/imaging v1.6.2
+	github.com/gabriel-vasile/mimetype v1.4.8
 	github.com/go-sql-driver/mysql v1.8.1
 	github.com/google/uuid v1.6.0
 	github.com/microcosm-cc/bluemonday v1.0.27

go.sum

@@ -62,6 +62,8 @@ github.com/envoyproxy/protoc-gen-validate v1.1.0 h1:tntQDh69XqOCOZsDz0lVJQez/2L6
 github.com/envoyproxy/protoc-gen-validate v1.1.0/go.mod h1:sXRDRVmzEbkM7CVcM06s9shE/m23dg3wzjl0UWqJ2q4=
 github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2Wg=
 github.com/felixge/httpsnoop v1.0.4/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=
+github.com/gabriel-vasile/mimetype v1.4.8 h1:FfZ3gj38NjllZIeJAmMhr+qKL8Wu+nOoI3GqacKw1NM=
+github.com/gabriel-vasile/mimetype v1.4.8/go.mod h1:ByKUIKGjh1ODkGM1asKUbQZOLGrPjydw3hYPU2YU9t8=
 github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
 github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY=
 github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=

web/templates/hub.html

@@ -7,6 +7,11 @@
         <h2>Artikel</h2>
         <div class="grid grid-cols-1 md:grid-cols-2 gap-x-4 gap-y-2">
             <button class="btn" hx-get="/article/write" hx-target="#page-content">Artikel schreiben</button>
+            <form class="flex" hx-encoding="multipart/form-data">
+                <label class="btn text-center" for="docx-upload">Word-Dokument hochladen</label>
+                <input accept=".docx" class="hidden" id="docx-upload" name="docx-upload" type="file"
+                    hx-post="/docx/upload" />
+            </form>
             <button class="btn" hx-get="/article/all-rejected" hx-target="#page-content">Artikel bearbeiten</button>
             {{if lt .Role 3}}<button class="btn" hx-get="/article/all-unpublished-unrejected-and-published-rejected"
                 hx-target="#page-content">Artikel veröffentlichen</button>{{end}}