Merge branch 'devel'

.air.toml

@@ -12,7 +12,6 @@ args_bin = [
     "-domain localhost",
     "-feed tmp/cpolis.atom",
     "-firebase tmp/firebase.json",
-    "-gob tmp/cpolis.gob",
     "-img-width 256",
     "-link https://distrikt-ni-st.de",
     "-log tmp/cpolis.log",

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 +107,17 @@ 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) 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 +130,9 @@ 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 +141,11 @@ 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 +157,7 @@ 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 +189,9 @@ 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 +206,14 @@ 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 +308,11 @@ 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

@@ -12,48 +12,48 @@ import (
 )
 
 type Config struct {
-	AESKeyFile      string
-	ArticleDir      string
-	ConfigFile      string
-	DBName          string
-	Description     string
-	Domain          string
-	AtomFile        string
-	FirebaseKey     string
-	GOBKeyFile      string
-	Link            string
-	LogFile         string
-	PDFDir          string
-	PicsDir         string
-	Port            string
-	Title           string
-	Version         string
-	WebDir          string
-	MaxBannerHeight int
-	MaxBannerWidth  int
-	MaxImgHeight    int
-	MaxImgWidth     int
+	AESKeyFile        string
+	ArticleDir        string
+	AtomFile          string
+	ConfigFile        string
+	DBName            string
+	Description       string
+	Domain            string
+	FirebaseKey       string
+	Link              string
+	LogFile           string
+	PDFDir            string
+	PicsDir           string
+	Port              string
+	Title             string
+	Version           string
+	WebDir            string
+	CookieExpiryHours int
+	MaxBannerHeight   int
+	MaxBannerWidth    int
+	MaxImgHeight      int
+	MaxImgWidth       int
 }
 
 func newConfig() *Config {
 	return &Config{
-		AESKeyFile:      "/var/www/cpolis/aes.key",
-		ArticleDir:      "/var/www/cpolis/articles",
-		AtomFile:        "/var/www/cpolis/cpolis.atom",
-		ConfigFile:      "/etc/cpolis/config.toml",
-		DBName:          "cpolis",
-		FirebaseKey:     "/var/www/cpolis/serviceAccountKey.json",
-		GOBKeyFile:      "/var/www/cpolis/gob.key",
-		LogFile:         "/var/log/cpolis.log",
-		MaxBannerHeight: 1080,
-		MaxBannerWidth:  1920,
-		MaxImgHeight:    1080,
-		MaxImgWidth:     1920,
-		PDFDir:          "/var/www/cpolis/pdfs",
-		PicsDir:         "/var/www/cpolis/pics",
-		Port:            ":8080",
-		Version:         "v0.14.0",
-		WebDir:          "/var/www/cpolis/web",
+		AESKeyFile:        "/var/www/cpolis/aes.key",
+		ArticleDir:        "/var/www/cpolis/articles",
+		AtomFile:          "/var/www/cpolis/cpolis.atom",
+		ConfigFile:        "/etc/cpolis/config.toml",
+		CookieExpiryHours: 24 * 30,
+		DBName:            "cpolis",
+		FirebaseKey:       "/var/www/cpolis/serviceAccountKey.json",
+		LogFile:           "/var/log/cpolis.log",
+		MaxBannerHeight:   1080,
+		MaxBannerWidth:    1920,
+		MaxImgHeight:      1080,
+		MaxImgWidth:       1920,
+		PDFDir:            "/var/www/cpolis/pdfs",
+		PicsDir:           "/var/www/cpolis/pics",
+		Port:              ":8080",
+		Version:           "v0.15.0",
+		WebDir:            "/var/www/cpolis/web",
 	}
 }
 
@@ -116,13 +116,13 @@ func (c *Config) handleCliArgs() error {
 	flag.StringVar(&c.Description, "desc", c.Description, "channel description")
 	flag.StringVar(&c.Domain, "domain", c.Domain, "domain name")
 	flag.StringVar(&c.FirebaseKey, "firebase", c.FirebaseKey, "Firebase service account key file")
-	flag.StringVar(&c.GOBKeyFile, "gob", c.GOBKeyFile, "gob key file")
 	flag.StringVar(&c.Link, "link", c.Link, "channel Link")
 	flag.StringVar(&c.LogFile, "log", c.LogFile, "log file")
 	flag.StringVar(&c.PDFDir, "pdfs", c.PDFDir, "pdf directory")
 	flag.StringVar(&c.PicsDir, "pics", c.PicsDir, "pictures directory")
 	flag.StringVar(&c.Title, "title", c.Title, "channel title")
 	flag.StringVar(&c.WebDir, "web", c.WebDir, "web directory")
+	flag.IntVar(&c.CookieExpiryHours, "cookie-expiry-hours", c.CookieExpiryHours, "cookies expire after this amount of hours")
 	flag.IntVar(&c.MaxBannerHeight, "banner-height", c.MaxBannerHeight, "maximum banner height")
 	flag.IntVar(&c.MaxBannerWidth, "banner-width", c.MaxBannerWidth, "maximum banner width")
 	flag.IntVar(&c.MaxImgHeight, "img-height", c.MaxImgHeight, "maximum image height")
@@ -171,6 +171,18 @@ func (c *Config) setupConfig(cliConfig *Config) error {
 		return fmt.Errorf("error setting up directory: %v", err)
 	}
 
+	if cliConfig.AtomFile != defaultConfig.AtomFile {
+		c.AtomFile = cliConfig.AtomFile
+	}
+	c.AtomFile, err = mkFile(c.AtomFile, 0644, 0744)
+	if err != nil {
+		return fmt.Errorf("error setting up file: %v", err)
+	}
+
+	if cliConfig.CookieExpiryHours != defaultConfig.CookieExpiryHours {
+		c.CookieExpiryHours = cliConfig.CookieExpiryHours
+	}
+
 	if cliConfig.DBName != defaultConfig.DBName {
 		c.DBName = cliConfig.DBName
 	}
@@ -182,19 +194,11 @@ func (c *Config) setupConfig(cliConfig *Config) error {
 	if cliConfig.Domain != defaultConfig.Domain {
 		c.Domain = cliConfig.Domain
 	}
-	domainStrings := strings.Split(c.Domain, "/")
-	if domainStrings[0] != "http:" && domainStrings[0] != "https:" {
+	domainStrings := strings.Split(c.Domain, ":")
+	if domainStrings[0] != "http" && domainStrings[0] != "https" {
 		c.Domain = "https://" + c.Domain
 	}
 
-	if cliConfig.AtomFile != defaultConfig.AtomFile {
-		c.AtomFile = cliConfig.AtomFile
-	}
-	c.AtomFile, err = mkFile(c.AtomFile, 0644, 0744)
-	if err != nil {
-		return fmt.Errorf("error setting up file: %v", err)
-	}
-
 	if cliConfig.FirebaseKey != defaultConfig.FirebaseKey {
 		c.FirebaseKey = cliConfig.FirebaseKey
 	}
@@ -203,14 +207,6 @@ func (c *Config) setupConfig(cliConfig *Config) error {
 		return fmt.Errorf("error setting up file: %v", err)
 	}
 
-	if cliConfig.GOBKeyFile != defaultConfig.GOBKeyFile {
-		c.GOBKeyFile = cliConfig.GOBKeyFile
-	}
-	c.GOBKeyFile, err = mkFile(c.GOBKeyFile, 0600, 0700)
-	if err != nil {
-		return fmt.Errorf("error setting up file: %v", err)
-	}
-
 	if cliConfig.Link != defaultConfig.Link {
 		c.Link = cliConfig.Link
 	}

cmd/backend/docx.go

@@ -0,0 +1,59 @@
+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
+
+	articleID := uuid.New()
+	articleFileName := fmt.Sprint("/tmp/", articleID, ".md")
+
+	tmpDir, err := os.MkdirTemp("/tmp", "cpolis_images")
+	if err != nil {
+		return nil, fmt.Errorf("error creating temporary directory: %v", err)
+	}
+	defer os.RemoveAll(tmpDir)
+
+	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.PicsDir+"/"+newImageName))
+	}
+
+	return articleContent, nil
+}

cmd/backend/images.go

@@ -1,10 +1,16 @@
 package backend
 
 import (
+	"bufio"
 	"fmt"
 	"image"
 	"io"
+	"io/fs"
+	"log"
 	"os"
+	"path/filepath"
+	"strings"
+	"time"
 
 	"github.com/chai2010/webp"
 	"github.com/disintegration/imaging"
@@ -30,7 +36,7 @@ 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 +48,59 @@ func SaveImage(src io.Reader, maxHeight, maxWidth int, path string) (string, err
 
 	return filename, nil
 }
+
+func CleanUpImages(c *Config) {
+	for {
+		if err := filepath.Walk(c.PicsDir, func(path string, info fs.FileInfo, err error) error {
+			if err != nil {
+				return err
+			}
+
+			if !info.IsDir() {
+				imageName := info.Name()
+				absImageName := path
+
+				if err = filepath.Walk(c.ArticleDir, func(path string, info fs.FileInfo, err error) error {
+					if err != nil {
+						return err
+					}
+
+					if !info.IsDir() {
+						mdFile, err := os.Open(path)
+						if err != nil {
+							return err
+						}
+						defer mdFile.Close()
+
+						scanner := bufio.NewScanner(mdFile)
+						imageWasFound := false
+
+						for scanner.Scan() {
+							if strings.Contains(scanner.Text(), imageName) {
+								imageWasFound = true
+							}
+						}
+
+						if !imageWasFound {
+							if err = os.Remove(absImageName); err != nil {
+								return err
+							}
+						}
+
+						return scanner.Err()
+					}
+
+					return nil
+				}); err != nil {
+					return err
+				}
+			}
+
+			return nil
+		}); err != nil {
+			log.Println(err)
+		}
+
+		time.Sleep(time.Hour)
+	}
+}

cmd/backend/sessions.go

@@ -1,63 +0,0 @@
-package backend
-
-import (
-	"crypto/rand"
-	"encoding/gob"
-	"fmt"
-	"io"
-	"os"
-
-	"github.com/gorilla/sessions"
-)
-
-type (
-	CookieStore struct{ sessions.CookieStore }
-	Session     struct{ sessions.Session }
-)
-
-func NewKey() ([]byte, error) {
-	key := make([]byte, 32)
-
-	if _, err := io.ReadFull(rand.Reader, key); err != nil {
-		return nil, fmt.Errorf("error generating key: %v", err)
-	}
-
-	return key, nil
-}
-
-func SaveKey(key []byte, filename string) error {
-	file, err := os.Create(filename)
-	if err != nil {
-		return fmt.Errorf("error creating key file: %v", err)
-	}
-	defer file.Close()
-	file.Chmod(0600)
-
-	if err = gob.NewEncoder(file).Encode(key); err != nil {
-		return fmt.Errorf("error ecoding key: %v", err)
-	}
-
-	return nil
-}
-
-func LoadKey(filename string) ([]byte, error) {
-	file, err := os.Open(filename)
-	if err != nil {
-		return nil, fmt.Errorf("error opening key file: %v", err)
-	}
-	defer file.Close()
-
-	key := make([]byte, 32)
-	if err = gob.NewDecoder(file).Decode(&key); err != nil {
-		return nil, fmt.Errorf("error decoding key: %v", err)
-	}
-
-	return key, nil
-}
-
-func NewCookieStore(key []byte) *CookieStore {
-	store := sessions.NewCookieStore(key)
-	store.Options.Secure = true
-	store.Options.HttpOnly = true
-	return &CookieStore{*store}
-}

cmd/calls/images.go

@@ -9,9 +9,9 @@ import (
 	f "streifling.com/jason/cpolis/cmd/frontend"
 )
 
-func ServeImage(c *b.Config, s *b.CookieStore) http.HandlerFunc {
+func ServeImage(c *b.Config, s map[string]*f.Session) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		if _, err := f.GetSession(w, r, c, s); err != nil {
+		if _, err := f.ManageSession(w, r, c, s); err != nil {
 			if !tokenIsVerified(w, r, c) {
 				return
 			}

cmd/frontend/articles.go

@@ -10,6 +10,7 @@ import (
 	"strings"
 	"time"
 
+	"github.com/google/uuid"
 	b "streifling.com/jason/cpolis/cmd/backend"
 )
 
@@ -45,39 +46,34 @@ type EditorHTMLData struct {
 	Contributors []*b.User
 }
 
-func WriteArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
+func WriteArticle(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		session, err := GetSession(w, r, c, s)
+		session, err := ManageSession(w, r, c, s)
 		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
+			http.Error(w, "Die Session ist abgelaufen. Bitte erneut anmelden.", http.StatusUnauthorized)
 			return
 		}
 
-		var data *EditorHTMLData
-		if session.Values["article"] == nil {
-			data = &EditorHTMLData{Action: "submit", Article: new(b.Article), ArticleUsers: make(map[string]*ArticleUser)}
-		} else {
-			data = session.Values["article"].(*EditorHTMLData)
-		}
-
 		users, err := db.GetAllUsers(c)
 		if err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
 			return
 		}
+
+		data := &EditorHTMLData{Action: "submit", Article: new(b.Article), ArticleUsers: make(map[string]*ArticleUser)}
 		for _, user := range users {
 			data.ArticleUsers[fmt.Sprint(user.LastName, user.FirstName, user.ID)] = &ArticleUser{User: user, ArticleRole: None}
 		}
 
-		creator, err := db.GetUser(c, session.Values["id"].(int64))
+		creator, err := db.GetUser(c, session.User.ID)
 		if err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
 			return
 		}
 		data.Creator = data.ArticleUsers[fmt.Sprint(creator.LastName, creator.FirstName, creator.ID)]
+		data.Creator.ArticleRole = Author
 		delete(data.ArticleUsers, fmt.Sprint(creator.LastName, creator.FirstName, creator.ID))
 
 		data.Tags, err = db.GetTagList()
@@ -96,19 +92,11 @@ func WriteArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
 	}
 }
 
-func SubmitArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
+func SubmitArticle(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		session, err := GetSession(w, r, c, s)
+		session, err := ManageSession(w, r, c, s)
 		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
-		session.Values["article"] = nil
-		if err = session.Save(r, w); err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
+			http.Error(w, "Die Session ist abgelaufen. Bitte erneut anmelden.", http.StatusUnauthorized)
 			return
 		}
 
@@ -116,12 +104,13 @@ func SubmitArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
 			Title:         r.PostFormValue("article-title"),
 			BannerLink:    r.PostFormValue("article-banner-url"),
 			Summary:       r.PostFormValue("article-summary"),
-			CreatorID:     session.Values["id"].(int64),
+			CreatorID:     session.User.ID,
 			Published:     false,
 			Rejected:      false,
 			IsInIssue:     r.PostFormValue("issue") == "on",
 			AutoGenerated: false,
 			EditedID:      0,
+			UUID:          uuid.New(),
 		}
 
 		if len(article.Title) == 0 {
@@ -155,10 +144,10 @@ func SubmitArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
 			}
 		}
 
-		if r.PostFormValue("creator") == "contributor" {
-			contributors = append(contributors, article.CreatorID)
-		} else {
+		if r.PostFormValue("creator") == "author" {
 			authors = append(authors, article.CreatorID)
+		} else {
+			contributors = append(contributors, article.CreatorID)
 		}
 		if len(authors) == 0 {
 			http.Error(w, "Es muss mindestens einen Autor geben.", http.StatusBadRequest)
@@ -177,7 +166,7 @@ func SubmitArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
 			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
@@ -214,7 +203,7 @@ func SubmitArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
 		}
 
 		data := new(struct{ Role int })
-		data.Role = session.Values["role"].(int)
+		data.Role = session.User.Role
 
 		tmpl, err := template.ParseFiles(c.WebDir + "/templates/hub.html")
 		tmpl = template.Must(tmpl, err)
@@ -226,23 +215,34 @@ func SubmitArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
 	}
 }
 
-func ResubmitArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
+func ResubmitArticle(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		session, err := GetSession(w, r, c, s)
+		session, err := ManageSession(w, r, c, s)
+		if err != nil {
+			http.Error(w, "Die Session ist abgelaufen. Bitte erneut anmelden.", http.StatusUnauthorized)
+			return
+		}
+
+		id, err := strconv.ParseInt(r.PathValue("id"), 10, 64)
 		if err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
 			return
 		}
 
-		article := &b.Article{
-			Title:      r.PostFormValue("article-title"),
-			BannerLink: r.PostFormValue("article-banner-url"),
-			Summary:    r.PostFormValue("article-summary"),
-			CreatorID:  session.Values["id"].(int64),
-			IsInIssue:  r.PostFormValue("issue") == "on",
+		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
@@ -274,30 +274,23 @@ func ResubmitArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
 			}
 		}
 
-		if r.PostFormValue("creator") == "contributor" {
-			contributors = append(contributors, article.CreatorID)
-		} else {
+		if r.PostFormValue("creator") == "author" {
 			authors = append(authors, article.CreatorID)
+		} else {
+			contributors = append(contributors, article.CreatorID)
 		}
 		if len(authors) == 0 {
 			http.Error(w, "Es muss mindestens einen Autor geben.", http.StatusBadRequest)
 			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
@@ -345,7 +338,7 @@ func ResubmitArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
 		}
 
 		data := new(struct{ Role int })
-		data.Role = session.Values["role"].(int)
+		data.Role = session.User.Role
 
 		tmpl, err := template.ParseFiles(c.WebDir + "/templates/hub.html")
 		tmpl = template.Must(tmpl, err)
@@ -357,11 +350,10 @@ func ResubmitArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
 	}
 }
 
-func ShowUnpublishedUnrejectedAndPublishedRejectedArticles(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
+func ShowUnpublishedUnrejectedAndPublishedRejectedArticles(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		if _, err := GetSession(w, r, c, s); err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
+		if _, err := ManageSession(w, r, c, s); err != nil {
+			http.Error(w, "Die Session ist abgelaufen. Bitte erneut anmelden.", http.StatusUnauthorized)
 			return
 		}
 
@@ -401,12 +393,11 @@ func ShowUnpublishedUnrejectedAndPublishedRejectedArticles(c *b.Config, db *b.DB
 	}
 }
 
-func ShowRejectedArticles(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
+func ShowRejectedArticles(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		session, err := GetSession(w, r, c, s)
+		session, err := ManageSession(w, r, c, s)
 		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
+			http.Error(w, "Die Session ist abgelaufen. Bitte erneut anmelden.", http.StatusUnauthorized)
 			return
 		}
 
@@ -424,7 +415,7 @@ func ShowRejectedArticles(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerF
 
 		data.MyIDs = make(map[int64]bool)
 		for _, article := range data.RejectedArticles {
-			if article.CreatorID == session.Values["id"].(int64) {
+			if article.CreatorID == session.User.ID {
 				data.MyIDs[article.ID] = true
 			}
 		}
@@ -439,12 +430,11 @@ func ShowRejectedArticles(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerF
 	}
 }
 
-func ReviewRejectedArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
+func ReviewRejectedArticle(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		session, err := GetSession(w, r, c, s)
+		session, err := ManageSession(w, r, c, s)
 		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
+			http.Error(w, "Die Session ist abgelaufen. Bitte erneut anmelden.", http.StatusUnauthorized)
 			return
 		}
 
@@ -465,7 +455,7 @@ func ReviewRejectedArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.Handler
 
 		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)
@@ -512,7 +502,7 @@ func ReviewRejectedArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.Handler
 			data.ArticleUsers[fmt.Sprint(contributor.LastName, contributor.FirstName, contributor.ID)].ArticleRole = Contributor
 		}
 
-		creator, err := db.GetUser(c, session.Values["id"].(int64))
+		creator, err := db.GetUser(c, session.User.ID)
 		if err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -544,12 +534,11 @@ func ReviewRejectedArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.Handler
 	}
 }
 
-func PublishArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
+func PublishArticle(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		session, err := GetSession(w, r, c, s)
+		session, err := ManageSession(w, r, c, s)
 		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
+			http.Error(w, "Die Session ist abgelaufen. Bitte erneut anmelden.", http.StatusUnauthorized)
 			return
 		}
 
@@ -597,7 +586,7 @@ func PublishArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
 				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
@@ -623,7 +612,7 @@ func PublishArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
 		}
 
 		data := new(struct{ Role int })
-		data.Role = session.Values["role"].(int)
+		data.Role = session.User.Role
 
 		tmpl, err := template.ParseFiles(c.WebDir + "/templates/hub.html")
 		tmpl = template.Must(tmpl, err)
@@ -635,12 +624,11 @@ func PublishArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
 	}
 }
 
-func RejectArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
+func RejectArticle(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		session, err := GetSession(w, r, c, s)
+		session, err := ManageSession(w, r, c, s)
 		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
+			http.Error(w, "Die Session ist abgelaufen. Bitte erneut anmelden.", http.StatusUnauthorized)
 			return
 		}
 
@@ -658,7 +646,7 @@ func RejectArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
 		}
 
 		data := new(struct{ Role int })
-		data.Role = session.Values["role"].(int)
+		data.Role = session.User.Role
 
 		tmpl, err := template.ParseFiles(c.WebDir + "/templates/hub.html")
 		tmpl = template.Must(tmpl, err)
@@ -670,11 +658,10 @@ func RejectArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
 	}
 }
 
-func ShowCurrentIssue(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
+func ShowCurrentIssue(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		if _, err := GetSession(w, r, c, s); err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
+		if _, err := ManageSession(w, r, c, s); err != nil {
+			http.Error(w, "Die Session ist abgelaufen. Bitte erneut anmelden.", http.StatusUnauthorized)
 			return
 		}
 
@@ -694,11 +681,10 @@ func ShowCurrentIssue(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc
 	}
 }
 
-func ShowPublishedArticles(c *b.Config, db *b.DB, s *b.CookieStore, action string) http.HandlerFunc {
+func ShowPublishedArticles(c *b.Config, db *b.DB, s map[string]*Session, action string) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		if _, err := GetSession(w, r, c, s); err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
+		if _, err := ManageSession(w, r, c, s); err != nil {
+			http.Error(w, "Die Session ist abgelaufen. Bitte erneut anmelden.", http.StatusUnauthorized)
 			return
 		}
 
@@ -731,11 +717,10 @@ func ShowPublishedArticles(c *b.Config, db *b.DB, s *b.CookieStore, action strin
 	}
 }
 
-func ReviewArticle(c *b.Config, db *b.DB, s *b.CookieStore, action, title, button string) http.HandlerFunc {
+func ReviewArticle(c *b.Config, db *b.DB, s map[string]*Session, action, title, button string) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		if _, err := GetSession(w, r, c, s); err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
+		if _, err := ManageSession(w, r, c, s); err != nil {
+			http.Error(w, "Die Session ist abgelaufen. Bitte erneut anmelden.", http.StatusUnauthorized)
 			return
 		}
 
@@ -779,7 +764,7 @@ func ReviewArticle(c *b.Config, db *b.DB, s *b.CookieStore, action, title, butto
 			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)
@@ -826,16 +811,22 @@ func ReviewArticle(c *b.Config, db *b.DB, s *b.CookieStore, action, title, butto
 	}
 }
 
-func DeleteArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
+func DeleteArticle(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		session, err := GetSession(w, r, c, s)
+		session, err := ManageSession(w, r, c, s)
+		if err != nil {
+			http.Error(w, "Die Session ist abgelaufen. Bitte erneut anmelden.", http.StatusUnauthorized)
+			return
+		}
+
+		id, err := strconv.ParseInt(r.PathValue("id"), 10, 64)
 		if err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
 			return
 		}
 
-		id, err := strconv.ParseInt(r.PathValue("id"), 10, 64)
+		article, err := db.GetArticle(id)
 		if err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -848,7 +839,7 @@ func DeleteArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
 			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
@@ -867,7 +858,7 @@ func DeleteArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
 		}
 
 		data := new(struct{ Role int })
-		data.Role = session.Values["role"].(int)
+		data.Role = session.User.Role
 
 		tmpl, err := template.ParseFiles(c.WebDir + "/templates/hub.html")
 		tmpl = template.Must(tmpl, err)
@@ -879,12 +870,11 @@ func DeleteArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
 	}
 }
 
-func AllowEditArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
+func AllowEditArticle(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		session, err := GetSession(w, r, c, s)
+		session, err := ManageSession(w, r, c, s)
 		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
+			http.Error(w, "Die Session ist abgelaufen. Bitte erneut anmelden.", http.StatusUnauthorized)
 			return
 		}
 
@@ -920,8 +910,8 @@ func AllowEditArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc
 			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)
@@ -961,7 +951,7 @@ func AllowEditArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc
 		}
 
 		data := new(struct{ Role int })
-		data.Role = session.Values["role"].(int)
+		data.Role = session.User.Role
 
 		tmpl := template.Must(template.ParseFiles(c.WebDir + "/templates/hub.html"))
 		if err = tmpl.ExecuteTemplate(w, "page-content", data); err != nil {
@@ -972,11 +962,10 @@ func AllowEditArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc
 	}
 }
 
-func EditArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
+func EditArticle(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		if _, err := GetSession(w, r, c, s); err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
+		if _, err := ManageSession(w, r, c, s); err != nil {
+			http.Error(w, "Die Session ist abgelaufen. Bitte erneut anmelden.", http.StatusUnauthorized)
 			return
 		}
 
@@ -998,7 +987,7 @@ func EditArticle(c *b.Config, db *b.DB, s *b.CookieStore) 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)

cmd/frontend/docx.go

@@ -0,0 +1,107 @@
+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
+		}
+
+		docxFilename := fmt.Sprint(uuid.New(), ".docx")
+		absDocxFilepath, err := filepath.Abs("/tmp/" + docxFilename)
+		if err != nil {
+			log.Println(err)
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		if err = os.WriteFile(absDocxFilepath, buf.Bytes(), 0644); err != nil {
+			log.Println(err)
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		defer os.Remove(absDocxFilepath)
+
+		mdString, err := b.ConvertToMarkdown(c, absDocxFilepath)
+		if err != nil {
+			log.Println(err)
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		uuidName := uuid.New()
+		mdFilename := fmt.Sprint(uuidName, ".md")
+		absMdFilepath, err := filepath.Abs(c.ArticleDir + "/" + mdFilename)
+		if err != nil {
+			log.Println(err)
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		if err = os.WriteFile(absMdFilepath, 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

@@ -0,0 +1,99 @@
+package frontend
+
+import (
+	"html/template"
+	"log"
+	"net/http"
+	"time"
+
+	b "streifling.com/jason/cpolis/cmd/backend"
+)
+
+func HomePage(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		numRows, err := db.CountEntries("users")
+		if err != nil {
+			log.Fatalln(err)
+		}
+
+		data := new(struct {
+			*UserHTMLData
+			Version string
+		})
+		data.UserHTMLData = &UserHTMLData{User: new(b.User)}
+		data.Version = c.Version
+
+		files := make([]string, 2)
+		files[0] = 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"
+			tmpl, err := template.ParseFiles(files...)
+			if err = template.Must(tmpl, err).Execute(w, data); err != nil {
+				log.Println(err)
+				http.Error(w, err.Error(), http.StatusInternalServerError)
+				return
+			}
+		} else {
+			cookie, err := r.Cookie("cpolis_session")
+			if err != nil {
+				files[1] = c.WebDir + "/templates/login.html"
+				tmpl, err := template.ParseFiles(files...)
+				if err = template.Must(tmpl, err).Execute(w, data); err != nil {
+					log.Println(err)
+					http.Error(w, err.Error(), http.StatusInternalServerError)
+					return
+				}
+				return
+			}
+
+			session, ok := s[cookie.Value]
+			if !ok {
+				cookie.Expires = time.Now()
+				http.SetCookie(w, cookie)
+
+				files[1] = c.WebDir + "/templates/login.html"
+				tmpl, err := template.ParseFiles(files...)
+				if err = template.Must(tmpl, err).Execute(w, data); err != nil {
+					log.Println(err)
+					http.Error(w, err.Error(), http.StatusInternalServerError)
+					return
+				}
+				return
+			}
+
+			data.Role = session.User.Role
+			files[1] = c.WebDir + "/templates/hub.html"
+			tmpl, err := template.ParseFiles(files...)
+			if err = template.Must(tmpl, err).Execute(w, data); err != nil {
+				log.Println(err)
+				http.Error(w, err.Error(), http.StatusInternalServerError)
+				return
+			}
+		}
+	}
+}
+
+func ShowHub(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
+		}
+
+		data := new(struct{ Role int })
+		data.Role = session.User.Role
+
+		tmpl, err := template.ParseFiles(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)
+			return
+		}
+	}
+}

cmd/frontend/images.go

@@ -9,11 +9,10 @@ import (
 	b "streifling.com/jason/cpolis/cmd/backend"
 )
 
-func UploadEasyMDEImage(c *b.Config, s *b.CookieStore) http.HandlerFunc {
+func UploadEasyMDEImage(c *b.Config, s map[string]*Session) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		if _, err := GetSession(w, r, c, s); err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
+		if _, err := ManageSession(w, r, c, s); err != nil {
+			http.Error(w, "Die Session ist abgelaufen. Bitte erneut anmelden.", http.StatusUnauthorized)
 			return
 		}
 
@@ -42,11 +41,10 @@ func UploadEasyMDEImage(c *b.Config, s *b.CookieStore) http.HandlerFunc {
 	}
 }
 
-func UploadImage(c *b.Config, s *b.CookieStore, fileKey, htmlFile, htmlTemplate string) http.HandlerFunc {
+func UploadImage(c *b.Config, s map[string]*Session, fileKey, htmlFile, htmlTemplate string) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		if _, err := GetSession(w, r, c, s); err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
+		if _, err := ManageSession(w, r, c, s); err != nil {
+			http.Error(w, "Die Session ist abgelaufen. Bitte erneut anmelden.", http.StatusUnauthorized)
 			return
 		}
 

cmd/frontend/issues.go

@@ -8,22 +8,15 @@ import (
 	"os"
 	"time"
 
+	"github.com/google/uuid"
 	b "streifling.com/jason/cpolis/cmd/backend"
 )
 
-func PublishLatestIssue(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
+func PublishLatestIssue(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		session, err := GetSession(w, r, c, s)
+		session, err := ManageSession(w, r, c, s)
 		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
-		session.Values["article"] = nil
-		if err = session.Save(r, w); err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
+			http.Error(w, "Die Session ist abgelaufen. Bitte erneut anmelden.", http.StatusUnauthorized)
 			return
 		}
 
@@ -34,6 +27,7 @@ func PublishLatestIssue(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFun
 			Rejected:      false,
 			Created:       time.Now(),
 			AutoGenerated: true,
+			UUID:          uuid.New(),
 		}
 
 		if len(article.Title) == 0 {
@@ -49,14 +43,7 @@ func PublishLatestIssue(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFun
 		}
 
 		authorIDs := make([]int64, 1)
-		var ok bool
-
-		if authorIDs[0], ok = session.Values["id"].(int64); !ok {
-			msg := "fälschlicherweise session.Values[\"id\"].(int64) für authorIDs[0] angenommen"
-			log.Println(msg)
-			http.Error(w, msg, http.StatusInternalServerError)
-			return
-		}
+		authorIDs[0] = session.User.ID
 
 		if err = db.WriteArticleAuthors(article.ID, authorIDs); err != nil {
 			log.Println(err)
@@ -70,7 +57,7 @@ func PublishLatestIssue(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFun
 			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)
@@ -101,15 +88,8 @@ func PublishLatestIssue(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFun
 			return
 		}
 
-		session.Values["issue-image"] = nil
-		if err = session.Save(r, w); err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
 		data := new(struct{ Role int })
-		data.Role = session.Values["role"].(int)
+		data.Role = session.User.Role
 
 		tmpl, err := template.ParseFiles(c.WebDir + "/templates/hub.html")
 		tmpl = template.Must(tmpl, err)

cmd/frontend/pdf.go

@@ -5,20 +5,20 @@ import (
 	"log"
 	"net/http"
 	"path/filepath"
+	"strings"
 
 	"github.com/google/uuid"
 	b "streifling.com/jason/cpolis/cmd/backend"
 )
 
-func UploadPDF(c *b.Config, s *b.CookieStore) http.HandlerFunc {
+func UploadPDF(c *b.Config, s map[string]*Session) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		if _, err := GetSession(w, r, c, s); err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
+		if _, err := ManageSession(w, r, c, s); err != nil {
+			http.Error(w, "Die Session ist abgelaufen. Bitte erneut anmelden.", http.StatusUnauthorized)
 			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)
@@ -44,7 +44,9 @@ func UploadPDF(c *b.Config, s *b.CookieStore) http.HandlerFunc {
 			return
 		}
 
-		filename := fmt.Sprint(uuid.New(), ".pdf")
+		oldFilename := header.Filename
+		oldFilename = strings.Join(strings.Split(oldFilename, ".")[:len(oldFilename)-1], ".")
+		filename := fmt.Sprint(oldFilename, ".", uuid.New(), ".pdf")
 		absFilepath, err := filepath.Abs(c.PDFDir + "/" + filename)
 		if err != nil {
 			log.Println(err)

cmd/frontend/sessions.go

@@ -1,115 +1,102 @@
 package frontend
 
 import (
+	"context"
+	"errors"
 	"fmt"
 	"html/template"
 	"log"
 	"net/http"
+	"time"
 
+	"github.com/google/uuid"
 	b "streifling.com/jason/cpolis/cmd/backend"
 )
 
-func saveSession(w http.ResponseWriter, r *http.Request, s *b.CookieStore, u *b.User) error {
-	session, err := s.Get(r, "cookie")
-	if err != nil {
-		return fmt.Errorf("error getting session: %v", err)
-	}
-
-	session.Values["authenticated"] = true
-	session.Values["id"] = u.ID
-	session.Values["name"] = u.FirstName + u.LastName
-	session.Values["role"] = u.Role
-	if err := session.Save(r, w); err != nil {
-		return fmt.Errorf("error saving session: %v", err)
-	}
-
-	return nil
+type Session struct {
+	ctx    context.Context
+	cancel context.CancelFunc
+	cookie *http.Cookie
+	User   *b.User
 }
 
-// GetSession is used for verifying that the user is logged in and returns their session and an error.
-func GetSession(w http.ResponseWriter, r *http.Request, c *b.Config, s *b.CookieStore) (*b.Session, error) {
-	msg := "Keine gültige Session. Bitte erneut anmelden."
+func newSession(w http.ResponseWriter, c *b.Config, sessionExpiryChan chan<- string, user *b.User) *Session {
+	sessionID := uuid.New().String()
+	expires := time.Now().Add(time.Hour * time.Duration(c.CookieExpiryHours))
+	ctx, cancel := context.WithDeadline(context.Background(), expires)
+
+	session := &Session{
+		ctx:    ctx,
+		cancel: cancel,
+		cookie: &http.Cookie{
+			Name:     "cpolis_session",
+			Value:    sessionID,
+			Expires:  expires,
+			Path:     "/",
+			HttpOnly: true,
+			Secure:   true,
+			SameSite: http.SameSiteStrictMode,
+		},
+		User: user,
+	}
+
+	go func() {
+		<-session.ctx.Done()
+		sessionExpiryChan <- session.cookie.Value
+		session.cookie.Expires = time.Now()
+		http.SetCookie(w, session.cookie)
+	}()
+
+	return session
+}
+
+func StartSessions() (map[string]*Session, chan string) {
+	sessions := make(map[string]*Session)
+	sessionExpiryChan := make(chan string)
+
+	go func() {
+		for sessionID := range sessionExpiryChan {
+			delete(sessions, sessionID)
+		}
+	}()
+
+	return sessions, sessionExpiryChan
+}
+
+// ManageSession is used for verifying that the user is logged in and returns
+// 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")
 
-	tmpSession, err := s.Get(r, "cookie")
+	cookie, err := r.Cookie("cpolis_session")
 	if err != nil {
-		if err = template.Must(tmpl, tmplErr).ExecuteTemplate(w, "page-content", msg); err != nil {
+		if err = template.Must(tmpl, tmplErr).ExecuteTemplate(w, "page-content", nil); err != nil {
 			return nil, fmt.Errorf("error executing template: %v", err)
 		}
-		return nil, fmt.Errorf("error getting session: %v", err)
+
+		return nil, errors.New("no cookie set")
 	}
 
-	session := &b.Session{Session: *tmpSession}
-	if session.IsNew {
-		if err = template.Must(tmpl, tmplErr).ExecuteTemplate(w, "page-content", msg); err != nil {
+	session, ok := s[cookie.Value]
+	if !ok {
+		cookie.Expires = time.Now()
+		http.SetCookie(w, cookie)
+
+		if err = template.Must(tmpl, tmplErr).ExecuteTemplate(w, "page-content", nil); err != nil {
 			return nil, fmt.Errorf("error executing template: %v", err)
 		}
+
+		return nil, errors.New("session does not exist")
 	}
 
+	session.cookie.Expires = time.Now().Add(time.Hour * time.Duration(c.CookieExpiryHours))
+	http.SetCookie(w, session.cookie)
+
 	return session, nil
 }
 
-func HomePage(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
-	return func(w http.ResponseWriter, r *http.Request) {
-		numRows, err := db.CountEntries("users")
-		if err != nil {
-			log.Fatalln(err)
-		}
-
-		data := new(struct {
-			*UserHTMLData
-			Version string
-		})
-		data.UserHTMLData = &UserHTMLData{User: new(b.User)}
-		data.Version = c.Version
-
-		files := make([]string, 2)
-		files[0] = 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"
-			tmpl, err := template.ParseFiles(files...)
-			if err = template.Must(tmpl, err).Execute(w, data); err != nil {
-				log.Println(err)
-				http.Error(w, err.Error(), http.StatusInternalServerError)
-				return
-			}
-		} else {
-			session, err := s.Get(r, "cookie")
-			if err != nil {
-				log.Println(err)
-				http.Error(w, err.Error(), http.StatusInternalServerError)
-				return
-			}
-
-			if auth, ok := session.Values["authenticated"].(bool); auth && ok {
-				data.Role = session.Values["role"].(int)
-				files[1] = c.WebDir + "/templates/hub.html"
-				tmpl, err := template.ParseFiles(files...)
-				if err = template.Must(tmpl, err).Execute(w, data); err != nil {
-					log.Println(err)
-					http.Error(w, err.Error(), http.StatusInternalServerError)
-					return
-				}
-			} else {
-				data.Role = b.Author
-				files[1] = c.WebDir + "/templates/login.html"
-				tmpl, err := template.ParseFiles(files...)
-				if err = template.Must(tmpl, err).Execute(w, data); err != nil {
-					log.Println(err)
-					http.Error(w, err.Error(), http.StatusInternalServerError)
-					return
-				}
-			}
-		}
-	}
-}
-
-func Login(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
+func Login(c *b.Config, db *b.DB, s map[string]*Session, sessionExpiryChan chan string) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		userName := r.PostFormValue("username")
 		password := r.PostFormValue("password")
@@ -133,11 +120,9 @@ func Login(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
 			return
 		}
 
-		if err := saveSession(w, r, s, user); err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
+		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")
 		if err = template.Must(tmpl, err).ExecuteTemplate(w, "page-content", user); err != nil {
@@ -148,52 +133,32 @@ func Login(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
 	}
 }
 
-func Logout(c *b.Config, s *b.CookieStore) http.HandlerFunc {
+func Logout(c *b.Config, s map[string]*Session) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		session, err := GetSession(w, r, c, s)
+		tmpl, tmplErr := template.ParseFiles(c.WebDir + "/templates/login.html")
+
+		cookie, err := r.Cookie("cpolis_session")
 		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
+			if err = template.Must(tmpl, tmplErr).ExecuteTemplate(w, "page-content", nil); err != nil {
+				log.Println(err)
+				http.Error(w, err.Error(), http.StatusInternalServerError)
+				return
+			}
 		}
+		cookie.Expires = time.Now()
+		http.SetCookie(w, cookie)
 
-		session.Options.MaxAge = -1
-		if err = session.Save(r, w); err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
+		session, ok := s[cookie.Value]
+		if !ok {
+			if err = template.Must(tmpl, tmplErr).ExecuteTemplate(w, "page-content", nil); err != nil {
+				log.Println(err)
+				http.Error(w, err.Error(), http.StatusInternalServerError)
+				return
+			}
 		}
+		session.cancel()
 
-		tmpl, err := template.ParseFiles(c.WebDir + "/templates/login.html")
-		if err = template.Must(tmpl, err).ExecuteTemplate(w, "page-content", nil); err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-	}
-}
-
-func ShowHub(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
-	return func(w http.ResponseWriter, r *http.Request) {
-		session, err := GetSession(w, r, c, s)
-		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
-		session.Values["article"] = nil
-		if err = session.Save(r, w); err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
-		data := new(struct{ Role int })
-		data.Role = session.Values["role"].(int)
-
-		tmpl, err := template.ParseFiles(c.WebDir + "/templates/hub.html")
-		if err = template.Must(tmpl, err).ExecuteTemplate(w, "page-content", data); err != nil {
+		if err = template.Must(tmpl, tmplErr).ExecuteTemplate(w, "page-content", nil); err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
 			return

cmd/frontend/tags.go

@@ -8,11 +8,10 @@ import (
 	b "streifling.com/jason/cpolis/cmd/backend"
 )
 
-func CreateTag(c *b.Config, s *b.CookieStore) http.HandlerFunc {
+func CreateTag(c *b.Config, s map[string]*Session) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		if _, err := GetSession(w, r, c, s); err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
+		if _, err := ManageSession(w, r, c, s); err != nil {
+			http.Error(w, "Die Session ist abgelaufen. Bitte erneut anmelden.", http.StatusUnauthorized)
 			return
 		}
 
@@ -25,12 +24,11 @@ func CreateTag(c *b.Config, s *b.CookieStore) http.HandlerFunc {
 	}
 }
 
-func AddTag(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
+func AddTag(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		session, err := GetSession(w, r, c, s)
+		session, err := ManageSession(w, r, c, s)
 		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
+			http.Error(w, "Die Session ist abgelaufen. Bitte erneut anmelden.", http.StatusUnauthorized)
 			return
 		}
 
@@ -42,7 +40,7 @@ func AddTag(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
 		db.AddTag(tag)
 
 		data := new(struct{ Role int })
-		data.Role = session.Values["role"].(int)
+		data.Role = session.User.Role
 
 		tmpl, err := template.ParseFiles(c.WebDir + "/templates/hub.html")
 		tmpl = template.Must(tmpl, err)

cmd/frontend/users.go

@@ -43,11 +43,10 @@ func sortUsersByName(users []*b.User) {
 	})
 }
 
-func CreateUser(c *b.Config, s *b.CookieStore) http.HandlerFunc {
+func CreateUser(c *b.Config, s map[string]*Session) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		if _, err := GetSession(w, r, c, s); err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
+		if _, err := ManageSession(w, r, c, s); err != nil {
+			http.Error(w, "Die Session ist abgelaufen. Bitte erneut anmelden.", http.StatusUnauthorized)
 			return
 		}
 
@@ -67,12 +66,11 @@ func CreateUser(c *b.Config, s *b.CookieStore) http.HandlerFunc {
 	}
 }
 
-func AddUser(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
+func AddUser(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		session, err := GetSession(w, r, c, s)
+		session, err := ManageSession(w, r, c, s)
 		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
+			http.Error(w, "Die Session ist abgelaufen. Bitte erneut anmelden.", http.StatusUnauthorized)
 			return
 		}
 
@@ -134,7 +132,7 @@ func AddUser(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
 		}
 
 		data := new(struct{ Role int })
-		data.Role = session.Values["role"].(int)
+		data.Role = session.User.Role
 
 		tmpl, err := template.ParseFiles(c.WebDir + "/templates/hub.html")
 		tmpl = template.Must(tmpl, err)
@@ -146,16 +144,15 @@ func AddUser(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
 	}
 }
 
-func EditSelf(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
+func EditSelf(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		session, err := GetSession(w, r, c, s)
+		session, err := ManageSession(w, r, c, s)
 		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
+			http.Error(w, "Die Session ist abgelaufen. Bitte erneut anmelden.", http.StatusUnauthorized)
 			return
 		}
 
-		user, err := db.GetUser(c, session.Values["id"].(int64))
+		user, err := db.GetUser(c, session.User.ID)
 		if err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -179,17 +176,16 @@ func EditSelf(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
 	}
 }
 
-func UpdateSelf(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
+func UpdateSelf(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		session, err := GetSession(w, r, c, s)
+		session, err := ManageSession(w, r, c, s)
 		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
+			http.Error(w, "Die Session ist abgelaufen. Bitte erneut anmelden.", http.StatusUnauthorized)
 			return
 		}
 
 		user := &b.User{
-			ID:             session.Values["id"].(int64),
+			ID:             session.User.ID,
 			UserName:       r.PostFormValue("username"),
 			FirstName:      r.PostFormValue("first-name"),
 			LastName:       r.PostFormValue("last-name"),
@@ -244,7 +240,7 @@ func UpdateSelf(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
 		}
 
 		data := new(struct{ Role int })
-		data.Role = session.Values["role"].(int)
+		data.Role = session.User.Role
 
 		tmpl, err := template.ParseFiles(c.WebDir + "/templates/hub.html")
 		tmpl = template.Must(tmpl, err)
@@ -256,7 +252,7 @@ func UpdateSelf(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
 	}
 }
 
-func AddFirstUser(c *b.Config, db *b.DB, s *b.CookieStore) 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{
@@ -303,20 +299,18 @@ func AddFirstUser(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
 			return
 		}
 
-		if err := saveSession(w, r, s, user); err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
 		if _, err := db.AddIssue(); err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
 			return
 		}
 
+		session := newSession(w, c, sessionExpiryChan, user)
+		s[session.cookie.Value] = session
+		http.SetCookie(w, session.cookie)
+
 		data := new(struct{ Role int })
-		data.Role = 0
+		data.Role = user.Role
 
 		tmpl, err := template.ParseFiles(c.WebDir + "/templates/hub.html")
 		if err = template.Must(tmpl, err).ExecuteTemplate(w, "page-content", data); err != nil {
@@ -327,12 +321,11 @@ func AddFirstUser(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
 	}
 }
 
-func ShowAllUsers(c *b.Config, db *b.DB, s *b.CookieStore, action string) http.HandlerFunc {
+func ShowAllUsers(c *b.Config, db *b.DB, s map[string]*Session, action string) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		session, err := GetSession(w, r, c, s)
+		session, err := ManageSession(w, r, c, s)
 		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
+			http.Error(w, "Die Session ist abgelaufen. Bitte erneut anmelden.", http.StatusUnauthorized)
 			return
 		}
 
@@ -348,7 +341,7 @@ func ShowAllUsers(c *b.Config, db *b.DB, s *b.CookieStore, action string) http.H
 			http.Error(w, err.Error(), http.StatusInternalServerError)
 			return
 		}
-		delete(data.Users, session.Values["id"].(int64))
+		delete(data.Users, session.User.ID)
 
 		tmpl, err := template.ParseFiles(c.WebDir + "/templates/show-all-users.html")
 		if err = template.Must(tmpl, err).ExecuteTemplate(w, "page-content", data); err != nil {
@@ -359,11 +352,10 @@ func ShowAllUsers(c *b.Config, db *b.DB, s *b.CookieStore, action string) http.H
 	}
 }
 
-func EditUser(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
+func EditUser(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		if _, err := GetSession(w, r, c, s); err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
+		if _, err := ManageSession(w, r, c, s); err != nil {
+			http.Error(w, "Die Session ist abgelaufen. Bitte erneut anmelden.", http.StatusUnauthorized)
 			return
 		}
 
@@ -398,12 +390,11 @@ func EditUser(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
 	}
 }
 
-func UpdateUser(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
+func UpdateUser(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		session, err := GetSession(w, r, c, s)
+		session, err := ManageSession(w, r, c, s)
 		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
+			http.Error(w, "Die Session ist abgelaufen. Bitte erneut anmelden.", http.StatusUnauthorized)
 			return
 		}
 
@@ -473,7 +464,7 @@ func UpdateUser(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
 		}
 
 		data := new(struct{ Role int })
-		data.Role = session.Values["role"].(int)
+		data.Role = session.User.Role
 
 		tmpl := template.Must(template.ParseFiles(c.WebDir + "/templates/hub.html"))
 		if err = tmpl.ExecuteTemplate(w, "page-content", data); err != nil {
@@ -484,12 +475,11 @@ func UpdateUser(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
 	}
 }
 
-func DeleteUser(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
+func DeleteUser(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		session, err := GetSession(w, r, c, s)
+		session, err := ManageSession(w, r, c, s)
 		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
+			http.Error(w, "Die Session ist abgelaufen. Bitte erneut anmelden.", http.StatusUnauthorized)
 			return
 		}
 
@@ -507,7 +497,7 @@ func DeleteUser(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
 		}
 
 		data := new(struct{ Role int })
-		data.Role = session.Values["role"].(int)
+		data.Role = session.User.Role
 
 		tmpl, err := template.ParseFiles(c.WebDir + "/templates/hub.html")
 		tmpl = template.Must(tmpl, err)

cmd/main.go

@@ -1,7 +1,6 @@
 package main
 
 import (
-	"encoding/gob"
 	"log"
 	"net/http"
 	"os"
@@ -11,10 +10,6 @@ import (
 	f "streifling.com/jason/cpolis/cmd/frontend"
 )
 
-func init() {
-	gob.Register(b.User{})
-}
-
 func main() {
 	config, err := b.HandleConfig()
 	if err != nil {
@@ -34,68 +29,62 @@ func main() {
 	}
 	defer db.Close()
 
-	key, err := b.LoadKey(config.GOBKeyFile)
-	if err != nil {
-		key, err = b.NewKey()
-		if err != nil {
-			log.Fatalln(err)
-		}
-		if err = b.SaveKey(key, config.GOBKeyFile); err != nil {
-			log.Fatalln(err)
-		}
-	}
-	store := b.NewCookieStore(key)
+	sessions, sessionExpiryChan := f.StartSessions()
+	defer close(sessionExpiryChan)
+
+	// go b.CleanUpImages(config)
 
 	mux := http.NewServeMux()
 	mux.Handle("/web/static/", http.StripPrefix("/web/static/",
 		http.FileServer(http.Dir(config.WebDir+"/static/"))))
-	mux.HandleFunc("/", f.HomePage(config, db, store))
+	mux.HandleFunc("/", f.HomePage(config, db, sessions))
 
-	mux.HandleFunc("GET /article/allow-edit/{id}", f.AllowEditArticle(config, db, store))
-	mux.HandleFunc("GET /article/all-published/review-edit", f.ShowPublishedArticles(config, db, store, "review-edit"))
-	mux.HandleFunc("GET /article/all-published/delete", f.ShowPublishedArticles(config, db, store, "review-delete"))
-	mux.HandleFunc("GET /article/all-rejected", f.ShowRejectedArticles(config, db, store))
-	mux.HandleFunc("GET /article/all-unpublished-unrejected-and-published-rejected", f.ShowUnpublishedUnrejectedAndPublishedRejectedArticles(config, db, store))
-	mux.HandleFunc("GET /article/delete/{id}", f.DeleteArticle(config, db, store))
-	mux.HandleFunc("GET /article/edit/{id}", f.EditArticle(config, db, store))
-	mux.HandleFunc("GET /article/publish/{id}", f.PublishArticle(config, db, store))
-	mux.HandleFunc("GET /article/reject/{id}", f.RejectArticle(config, db, store))
-	mux.HandleFunc("GET /article/review-delete/{id}", f.ReviewArticle(config, db, store, "delete", "Artikel löschen", "Löschen"))
-	mux.HandleFunc("GET /article/review-edit/{id}", f.ReviewArticle(config, db, store, "allow-edit", "Artikel bearbeiten", "Bearbeiten erlauben"))
-	mux.HandleFunc("GET /article/review-rejected/{id}", f.ReviewRejectedArticle(config, db, store))
-	mux.HandleFunc("GET /article/review-unpublished/{id}", f.ReviewArticle(config, db, store, "publish", "Artikel veröffentlichen", "Veröffentlichen"))
+	mux.HandleFunc("GET /article/allow-edit/{id}", f.AllowEditArticle(config, db, sessions))
+	mux.HandleFunc("GET /article/all-published/review-edit", f.ShowPublishedArticles(config, db, sessions, "review-edit"))
+	mux.HandleFunc("GET /article/all-published/delete", f.ShowPublishedArticles(config, db, sessions, "review-delete"))
+	mux.HandleFunc("GET /article/all-rejected", f.ShowRejectedArticles(config, db, sessions))
+	mux.HandleFunc("GET /article/all-unpublished-unrejected-and-published-rejected", f.ShowUnpublishedUnrejectedAndPublishedRejectedArticles(config, db, sessions))
+	mux.HandleFunc("GET /article/delete/{id}", f.DeleteArticle(config, db, sessions))
+	mux.HandleFunc("GET /article/edit/{id}", f.EditArticle(config, db, sessions))
+	mux.HandleFunc("GET /article/publish/{id}", f.PublishArticle(config, db, sessions))
+	mux.HandleFunc("GET /article/reject/{id}", f.RejectArticle(config, db, sessions))
+	mux.HandleFunc("GET /article/review-delete/{id}", f.ReviewArticle(config, db, sessions, "delete", "Artikel löschen", "Löschen"))
+	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/write", f.WriteArticle(config, db, store))
+	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, store))
-	mux.HandleFunc("GET /image/serve/{pic}", c.ServeImage(config, store))
-	mux.HandleFunc("GET /issue/this", f.ShowCurrentIssue(config, db, store))
-	mux.HandleFunc("GET /logout", f.Logout(config, store))
+	mux.HandleFunc("GET /hub", f.ShowHub(config, db, sessions))
+	mux.HandleFunc("GET /image/serve/{pic}", c.ServeImage(config, sessions))
+	mux.HandleFunc("GET /issue/this", f.ShowCurrentIssue(config, db, sessions))
+	mux.HandleFunc("GET /logout", f.Logout(config, sessions))
 	mux.HandleFunc("GET /pdf/get-list", c.ServePDFList(config))
 	mux.HandleFunc("GET /pdf/serve/{id}", c.ServePDF(config))
-	mux.HandleFunc("GET /tag/create", f.CreateTag(config, store))
-	mux.HandleFunc("GET /user/create", f.CreateUser(config, store))
-	mux.HandleFunc("GET /user/delete/{id}", f.DeleteUser(config, db, store))
-	mux.HandleFunc("GET /user/edit/{id}", f.EditUser(config, db, store))
-	mux.HandleFunc("GET /user/edit/self", f.EditSelf(config, db, store))
-	mux.HandleFunc("GET /user/show-all/delete", f.ShowAllUsers(config, db, store, "delete"))
-	mux.HandleFunc("GET /user/show-all/edit", f.ShowAllUsers(config, db, store, "edit"))
+	mux.HandleFunc("GET /tag/create", f.CreateTag(config, sessions))
+	mux.HandleFunc("GET /user/create", f.CreateUser(config, sessions))
+	mux.HandleFunc("GET /user/delete/{id}", f.DeleteUser(config, db, sessions))
+	mux.HandleFunc("GET /user/edit/{id}", f.EditUser(config, db, sessions))
+	mux.HandleFunc("GET /user/edit/self", f.EditSelf(config, db, sessions))
+	mux.HandleFunc("GET /user/show-all/delete", f.ShowAllUsers(config, db, sessions, "delete"))
+	mux.HandleFunc("GET /user/show-all/edit", f.ShowAllUsers(config, db, sessions, "edit"))
 
-	mux.HandleFunc("POST /article/resubmit/{id}", f.ResubmitArticle(config, db, store))
-	mux.HandleFunc("POST /article/submit", f.SubmitArticle(config, db, store))
-	mux.HandleFunc("POST /article/upload-banner", f.UploadImage(config, store, "article-banner", "editor.html", "article-banner-template"))
-	mux.HandleFunc("POST /article/upload-image", f.UploadEasyMDEImage(config, store))
-	mux.HandleFunc("POST /issue/publish", f.PublishLatestIssue(config, db, store))
-	mux.HandleFunc("POST /issue/upload-banner", f.UploadImage(config, store, "issue-banner", "current-issue.html", "issue-banner-template"))
-	mux.HandleFunc("POST /login", f.Login(config, db, store))
-	mux.HandleFunc("POST /pdf/upload", f.UploadPDF(config, store))
-	mux.HandleFunc("POST /tag/add", f.AddTag(config, db, store))
-	mux.HandleFunc("POST /user/add", f.AddUser(config, db, store))
-	mux.HandleFunc("POST /user/add-first", f.AddFirstUser(config, db, store))
-	mux.HandleFunc("POST /user/update/{id}", f.UpdateUser(config, db, store))
-	mux.HandleFunc("POST /user/update/self", f.UpdateSelf(config, db, store))
-	mux.HandleFunc("POST /user/upload-profile-pic", f.UploadImage(config, store, "upload-profile-pic", "edit-user.html", "profile-pic-template"))
+	mux.HandleFunc("POST /article/resubmit/{id}", f.ResubmitArticle(config, db, sessions))
+	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, 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"))
 
 	log.Fatalln(http.ListenAndServe(config.Port, mux))
 }

cpolis.service

@@ -1,9 +1,14 @@
 [Unit]
 Description=cpolis
+After=network.target
 
 [Service]
 ExecStart=/usr/local/bin/cpolis
-Restart=on-failure
+User=cpolis
+Group=cpolis
+Restart=always
+RestartSec=2s
+Type=simple
 
 [Install]
-WantedBy=default.target
+WantedBy=multi-user.target

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

@@ -3,76 +3,73 @@ module streifling.com/jason/cpolis
 go 1.23.2
 
 require (
-	firebase.google.com/go/v4 v4.15.0
+	firebase.google.com/go/v4 v4.15.1
 	git.streifling.com/jason/atom v1.0.0
 	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/gorilla/sessions v1.4.0
 	github.com/microcosm-cc/bluemonday v1.0.27
 	github.com/yuin/goldmark v1.7.8
-	golang.org/x/crypto v0.28.0
-	golang.org/x/term v0.25.0
-	google.golang.org/api v0.203.0
+	golang.org/x/crypto v0.32.0
+	golang.org/x/term v0.28.0
+	google.golang.org/api v0.216.0
 )
 
 require (
-	cel.dev/expr v0.18.0 // indirect
-	cloud.google.com/go v0.116.0 // indirect
-	cloud.google.com/go/auth v0.9.9 // indirect
-	cloud.google.com/go/auth/oauth2adapt v0.2.4 // indirect
-	cloud.google.com/go/compute/metadata v0.5.2 // indirect
-	cloud.google.com/go/firestore v1.17.0 // indirect
-	cloud.google.com/go/iam v1.2.2 // indirect
-	cloud.google.com/go/longrunning v0.6.2 // indirect
-	cloud.google.com/go/monitoring v1.21.2 // indirect
-	cloud.google.com/go/storage v1.45.0 // indirect
+	cel.dev/expr v0.19.1 // indirect
+	cloud.google.com/go v0.118.0 // indirect
+	cloud.google.com/go/auth v0.14.0 // indirect
+	cloud.google.com/go/auth/oauth2adapt v0.2.7 // indirect
+	cloud.google.com/go/compute/metadata v0.6.0 // indirect
+	cloud.google.com/go/firestore v1.18.0 // indirect
+	cloud.google.com/go/iam v1.3.1 // indirect
+	cloud.google.com/go/longrunning v0.6.4 // indirect
+	cloud.google.com/go/monitoring v1.22.1 // indirect
+	cloud.google.com/go/storage v1.50.0 // indirect
 	filippo.io/edwards25519 v1.1.0 // indirect
-	github.com/GoogleCloudPlatform/opentelemetry-operations-go/detectors/gcp v1.24.3 // indirect
-	github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/metric v0.48.3 // indirect
-	github.com/GoogleCloudPlatform/opentelemetry-operations-go/internal/resourcemapping v0.48.3 // indirect
+	github.com/GoogleCloudPlatform/opentelemetry-operations-go/detectors/gcp v1.25.0 // indirect
+	github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/metric v0.49.0 // indirect
+	github.com/GoogleCloudPlatform/opentelemetry-operations-go/internal/resourcemapping v0.49.0 // indirect
 	github.com/MicahParks/keyfunc v1.9.0 // indirect
 	github.com/aymerick/douceur v0.2.0 // indirect
-	github.com/census-instrumentation/opencensus-proto v0.4.1 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
-	github.com/cncf/xds/go v0.0.0-20240905190251-b4127c9b8d78 // indirect
-	github.com/envoyproxy/go-control-plane v0.13.1 // indirect
+	github.com/cncf/xds/go v0.0.0-20241223141626-cff3c89139a3 // indirect
+	github.com/envoyproxy/go-control-plane/envoy v1.32.3 // indirect
 	github.com/envoyproxy/protoc-gen-validate v1.1.0 // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
 	github.com/go-logr/logr v1.4.2 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
-	github.com/golang-jwt/jwt/v4 v4.5.0 // indirect
-	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
+	github.com/golang-jwt/jwt/v4 v4.5.1 // indirect
+	github.com/golang/groupcache v0.0.0-20241129210726-2c02b8208cf8 // indirect
 	github.com/golang/protobuf v1.5.4 // indirect
-	github.com/google/s2a-go v0.1.8 // indirect
+	github.com/google/s2a-go v0.1.9 // indirect
 	github.com/googleapis/enterprise-certificate-proxy v0.3.4 // indirect
-	github.com/googleapis/gax-go/v2 v2.13.0 // indirect
+	github.com/googleapis/gax-go/v2 v2.14.1 // indirect
 	github.com/gorilla/css v1.0.1 // indirect
-	github.com/gorilla/securecookie v1.1.2 // indirect
 	github.com/planetscale/vtprotobuf v0.6.1-0.20240319094008-0393e58bdf10 // indirect
-	go.opencensus.io v0.24.0 // indirect
-	go.opentelemetry.io/contrib/detectors/gcp v1.31.0 // indirect
-	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.56.0 // indirect
-	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.56.0 // indirect
-	go.opentelemetry.io/otel v1.31.0 // indirect
-	go.opentelemetry.io/otel/metric v1.31.0 // indirect
-	go.opentelemetry.io/otel/sdk v1.31.0 // indirect
-	go.opentelemetry.io/otel/sdk/metric v1.31.0 // indirect
-	go.opentelemetry.io/otel/trace v1.31.0 // indirect
-	golang.org/x/image v0.21.0 // indirect
-	golang.org/x/net v0.30.0 // indirect
-	golang.org/x/oauth2 v0.23.0 // indirect
-	golang.org/x/sync v0.8.0 // indirect
-	golang.org/x/sys v0.26.0 // indirect
-	golang.org/x/text v0.19.0 // indirect
-	golang.org/x/time v0.7.0 // indirect
+	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
+	go.opentelemetry.io/contrib/detectors/gcp v1.33.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.58.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.58.0 // indirect
+	go.opentelemetry.io/otel v1.33.0 // indirect
+	go.opentelemetry.io/otel/metric v1.33.0 // indirect
+	go.opentelemetry.io/otel/sdk v1.33.0 // indirect
+	go.opentelemetry.io/otel/sdk/metric v1.33.0 // indirect
+	go.opentelemetry.io/otel/trace v1.33.0 // indirect
+	golang.org/x/image v0.23.0 // indirect
+	golang.org/x/net v0.34.0 // indirect
+	golang.org/x/oauth2 v0.25.0 // indirect
+	golang.org/x/sync v0.10.0 // indirect
+	golang.org/x/sys v0.29.0 // indirect
+	golang.org/x/text v0.21.0 // indirect
+	golang.org/x/time v0.9.0 // indirect
 	google.golang.org/appengine/v2 v2.0.6 // indirect
-	google.golang.org/genproto v0.0.0-20241021214115-324edc3d5d38 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20241021214115-324edc3d5d38 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20241021214115-324edc3d5d38 // indirect
-	google.golang.org/grpc v1.67.1 // indirect
-	google.golang.org/grpc/stats/opentelemetry v0.0.0-20241025232817-cb329375b14e // indirect
-	google.golang.org/protobuf v1.35.1 // indirect
+	google.golang.org/genproto v0.0.0-20250106144421-5f5ef82da422 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20250106144421-5f5ef82da422 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20250106144421-5f5ef82da422 // indirect
+	google.golang.org/grpc v1.69.2 // indirect
+	google.golang.org/protobuf v1.36.2 // indirect
 )

go.sum

@@ -1,75 +1,69 @@
-cel.dev/expr v0.18.0 h1:CJ6drgk+Hf96lkLikr4rFf19WrU0BOWEihyZnI2TAzo=
-cel.dev/expr v0.18.0/go.mod h1:MrpN08Q+lEBs+bGYdLxxHkZoUSsCp0nSKTs0nTymJgw=
-cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.116.0 h1:B3fRrSDkLRt5qSHWe40ERJvhvnQwdZiHu0bJOpldweE=
-cloud.google.com/go v0.116.0/go.mod h1:cEPSRWPzZEswwdr9BxE6ChEn01dWlTaF05LiC2Xs70U=
-cloud.google.com/go/auth v0.9.9 h1:BmtbpNQozo8ZwW2t7QJjnrQtdganSdmqeIBxHxNkEZQ=
-cloud.google.com/go/auth v0.9.9/go.mod h1:xxA5AqpDrvS+Gkmo9RqrGGRh6WSNKKOXhY3zNOr38tI=
-cloud.google.com/go/auth/oauth2adapt v0.2.4 h1:0GWE/FUsXhf6C+jAkWgYm7X9tK8cuEIfy19DBn6B6bY=
-cloud.google.com/go/auth/oauth2adapt v0.2.4/go.mod h1:jC/jOpwFP6JBxhB3P5Rr0a9HLMC/Pe3eaL4NmdvqPtc=
-cloud.google.com/go/compute/metadata v0.5.2 h1:UxK4uu/Tn+I3p2dYWTfiX4wva7aYlKixAHn3fyqngqo=
-cloud.google.com/go/compute/metadata v0.5.2/go.mod h1:C66sj2AluDcIqakBq/M8lw8/ybHgOZqin2obFxa/E5k=
-cloud.google.com/go/firestore v1.17.0 h1:iEd1LBbkDZTFsLw3sTH50eyg4qe8eoG6CjocmEXO9aQ=
-cloud.google.com/go/firestore v1.17.0/go.mod h1:69uPx1papBsY8ZETooc71fOhoKkD70Q1DwMrtKuOT/Y=
-cloud.google.com/go/iam v1.2.2 h1:ozUSofHUGf/F4tCNy/mu9tHLTaxZFLOUiKzjcgWHGIA=
-cloud.google.com/go/iam v1.2.2/go.mod h1:0Ys8ccaZHdI1dEUilwzqng/6ps2YB6vRsjIe00/+6JY=
-cloud.google.com/go/logging v1.12.0 h1:ex1igYcGFd4S/RZWOCU51StlIEuey5bjqwH9ZYjHibk=
-cloud.google.com/go/logging v1.12.0/go.mod h1:wwYBt5HlYP1InnrtYI0wtwttpVU1rifnMT7RejksUAM=
-cloud.google.com/go/longrunning v0.6.2 h1:xjDfh1pQcWPEvnfjZmwjKQEcHnpz6lHjfy7Fo0MK+hc=
-cloud.google.com/go/longrunning v0.6.2/go.mod h1:k/vIs83RN4bE3YCswdXC5PFfWVILjm3hpEUlSko4PiI=
-cloud.google.com/go/monitoring v1.21.2 h1:FChwVtClH19E7pJ+e0xUhJPGksctZNVOk2UhMmblmdU=
-cloud.google.com/go/monitoring v1.21.2/go.mod h1:hS3pXvaG8KgWTSz+dAdyzPrGUYmi2Q+WFX8g2hqVEZU=
-cloud.google.com/go/storage v1.45.0 h1:5av0QcIVj77t+44mV4gffFC/LscFRUhto6UBMB5SimM=
-cloud.google.com/go/storage v1.45.0/go.mod h1:wpPblkIuMP5jCB/E48Pz9zIo2S/zD8g+ITmxKkPCITE=
-cloud.google.com/go/trace v1.11.1 h1:UNqdP+HYYtnm6lb91aNA5JQ0X14GnxkABGlfz2PzPew=
-cloud.google.com/go/trace v1.11.1/go.mod h1:IQKNQuBzH72EGaXEodKlNJrWykGZxet2zgjtS60OtjA=
+cel.dev/expr v0.19.1 h1:NciYrtDRIR0lNCnH1LFJegdjspNx9fI59O7TWcua/W4=
+cel.dev/expr v0.19.1/go.mod h1:MrpN08Q+lEBs+bGYdLxxHkZoUSsCp0nSKTs0nTymJgw=
+cloud.google.com/go v0.118.0 h1:tvZe1mgqRxpiVa3XlIGMiPcEUbP1gNXELgD4y/IXmeQ=
+cloud.google.com/go v0.118.0/go.mod h1:zIt2pkedt/mo+DQjcT4/L3NDxzHPR29j5HcclNH+9PM=
+cloud.google.com/go/auth v0.14.0 h1:A5C4dKV/Spdvxcl0ggWwWEzzP7AZMJSEIgrkngwhGYM=
+cloud.google.com/go/auth v0.14.0/go.mod h1:CYsoRL1PdiDuqeQpZE0bP2pnPrGqFcOkI0nldEQis+A=
+cloud.google.com/go/auth/oauth2adapt v0.2.7 h1:/Lc7xODdqcEw8IrZ9SvwnlLX6j9FHQM74z6cBk9Rw6M=
+cloud.google.com/go/auth/oauth2adapt v0.2.7/go.mod h1:NTbTTzfvPl1Y3V1nPpOgl2w6d/FjO7NNUQaWSox6ZMc=
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+cloud.google.com/go/compute/metadata v0.6.0/go.mod h1:FjyFAW1MW0C203CEOMDTu3Dk1FlqW3Rga40jzHL4hfg=
+cloud.google.com/go/firestore v1.18.0 h1:cuydCaLS7Vl2SatAeivXyhbhDEIR8BDmtn4egDhIn2s=
+cloud.google.com/go/firestore v1.18.0/go.mod h1:5ye0v48PhseZBdcl0qbl3uttu7FIEwEYVaWm0UIEOEU=
+cloud.google.com/go/iam v1.3.1 h1:KFf8SaT71yYq+sQtRISn90Gyhyf4X8RGgeAVC8XGf3E=
+cloud.google.com/go/iam v1.3.1/go.mod h1:3wMtuyT4NcbnYNPLMBzYRFiEfjKfJlLVLrisE7bwm34=
+cloud.google.com/go/logging v1.13.0 h1:7j0HgAp0B94o1YRDqiqm26w4q1rDMH7XNRU34lJXHYc=
+cloud.google.com/go/logging v1.13.0/go.mod h1:36CoKh6KA/M0PbhPKMq6/qety2DCAErbhXT62TuXALA=
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+cloud.google.com/go/longrunning v0.6.4/go.mod h1:ttZpLCe6e7EXvn9OxpBRx7kZEB0efv8yBO6YnVMfhJs=
+cloud.google.com/go/monitoring v1.22.1 h1:KQbnAC4IAH+5x3iWuPZT5iN9VXqKMzzOgqcYB6fqPDE=
+cloud.google.com/go/monitoring v1.22.1/go.mod h1:AuZZXAoN0WWWfsSvET1Cpc4/1D8LXq8KRDU87fMS6XY=
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 filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
 filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
-firebase.google.com/go/v4 v4.15.0 h1:k27M+cHbyN1YpBI2Cf4NSjeHnnYRB9ldXwpqA5KikN0=
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 git.streifling.com/jason/atom v1.0.0 h1:E88z4S7JeT6T+WuAaJWnGwCWTx+vzSJ6giUL51MdptI=
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-github.com/GoogleCloudPlatform/opentelemetry-operations-go/internal/resourcemapping v0.48.3/go.mod h1:wRbFgBQUVm1YXrvWKofAEmq9HNJTDphbAaJSSX01KUI=
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 github.com/aymerick/douceur v0.2.0 h1:Mv+mAeH1Q+n9Fr+oyamOlAkUNPWPlA8PPGR0QAaYuPk=
 github.com/aymerick/douceur v0.2.0/go.mod h1:wlT5vV2O3h55X9m7iVYN0TBM0NH/MmbLnd30/FjWUq4=
-github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
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 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
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-github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
-github.com/cncf/xds/go v0.0.0-20240905190251-b4127c9b8d78 h1:QVw89YDxXxEe+l8gU8ETbOasdwEV+avkR75ZzsVV9WI=
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-github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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-github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
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-github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
-github.com/envoyproxy/go-control-plane v0.13.1 h1:vPfJZCkob6yTMEgS+0TwfTUfbHjfy/6vOJ8hUWX/uXE=
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-google.golang.org/protobuf v1.35.1/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+google.golang.org/protobuf v1.36.2 h1:R8FeyR1/eLmkutZOM5CWghmo5itiG9z0ktFlTVLuTmU=
+google.golang.org/protobuf v1.36.2/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

web/templates/editor.html

@@ -75,9 +75,9 @@
     </div>
 
     <div>
-        <input id="creator" name="creator" type="checkbox" value="contributor" {{if eq .Creator.ArticleRole
-            2}}checked{{end}} />
-        <label for="creator">Ich bin nicht der Autor.</label>
+        <input id="creator" name="creator" type="checkbox" value="author" {{if eq .Creator.ArticleRole
+            1}}checked{{end}} />
+        <label for="creator">Ich bin Autor.</label>
     </div>
 
     <div class="btn-area">

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}}