Create ValidateSession() to not have unwanted side effects when validating session

Dockerfile

@@ -0,0 +1,11 @@
+FROM golang:latest
+
+RUN apk add --no-cache pandoc
+
+WORKDIR /var/www/cpolis
+
+COPY . .
+
+RUN go build -o cpolis cmd/main.go
+
+CMD ["./cpolis"]

cmd/backend/articles.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"log"
 	"os"
+	"path/filepath"
 	"time"
 
 	"github.com/google/uuid"
@@ -115,6 +116,31 @@ func (db *DB) GetArticle(id int64) (*Article, error) {
 	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, uuid
@@ -309,9 +335,9 @@ func (db *DB) DeleteArticle(id int64) error {
 }
 
 func WriteArticleToFile(c *Config, articleUUID uuid.UUID, content []byte) error {
-	articleAbsName := fmt.Sprint(c.ArticleDir, "/", articleUUID, ".md")
+	articlePath := filepath.Join(c.ArticleDir, fmt.Sprint(articleUUID, ".md"))
 
-	if err := os.WriteFile(articleAbsName, content, 0644); err != nil {
+	if err := os.WriteFile(articlePath, content, 0644); err != nil {
 		return fmt.Errorf("error writing article %v to file: %v", articleUUID, err)
 	}
 

cmd/backend/config.go

@@ -20,10 +20,10 @@ type Config struct {
 	Description       string
 	Domain            string
 	FirebaseKey       string
+	ImgDir            string
 	Link              string
 	LogFile           string
 	PDFDir            string
-	PicsDir           string
 	Port              string
 	Title             string
 	Version           string
@@ -43,27 +43,24 @@ func newConfig() *Config {
 		ConfigFile:        "/etc/cpolis/config.toml",
 		CookieExpiryHours: 24 * 30,
 		DBName:            "cpolis",
-		FirebaseKey:       "/var/www/cpolis/serviceAccountKey.json",
+		FirebaseKey:       "/etc/cpolis/serviceAccountKey.json",
+		ImgDir:            "/var/www/cpolis/images",
 		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",
+		Port:              ":1664",
+		Version:           "v0.16.0",
 		WebDir:            "/var/www/cpolis/web",
 	}
 }
 
 func mkDir(path string, perm fs.FileMode) (string, error) {
-	var err error
+	name := filepath.Base(path)
 
-	stringSlice := strings.Split(path, "/")
-	name := stringSlice[len(stringSlice)-1]
-
-	path, err = filepath.Abs(path)
+	path, err := filepath.Abs(path)
 	if err != nil {
 		return "", fmt.Errorf("error finding absolute path for %v directory: %v", name, err)
 	}
@@ -82,20 +79,20 @@ func mkFile(path string, filePerm, dirPerm fs.FileMode) (string, error) {
 		return "", fmt.Errorf("error finding absolute path for %v: %v", path, err)
 	}
 
-	stringSlice := strings.Split(path, "/")
 	_, err = os.Stat(path)
 	if os.IsNotExist(err) {
-		dir := strings.Join(stringSlice[:len(stringSlice)-1], "/")
+		dir := filepath.Dir(path)
 		if err = os.MkdirAll(dir, dirPerm); err != nil {
 			return "", fmt.Errorf("error creating %v: %v", dir, err)
 		}
 
-		fileName := stringSlice[len(stringSlice)-1]
-		file, err := os.Create(dir + "/" + fileName)
+		fileName := filepath.Base(path)
+		file, err := os.Create(filepath.Join(dir, fileName))
 		if err != nil {
 			return "", fmt.Errorf("error creating %v: %v", fileName, err)
 		}
 		defer file.Close()
+
 		if err = file.Chmod(filePerm); err != nil {
 			return "", fmt.Errorf("error setting permissions for %v: %v", fileName, err)
 		}
@@ -116,10 +113,10 @@ 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.ImgDir, "pics", c.ImgDir, "pictures directory")
 	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")
@@ -158,6 +155,10 @@ 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 +167,10 @@ 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 +179,10 @@ 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)
@@ -202,11 +211,27 @@ 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)
 	}
 
+	if cliConfig.ImgDir != defaultConfig.ImgDir {
+		c.ImgDir = cliConfig.ImgDir
+	}
+	c.ImgDir, err = filepath.Abs(c.ImgDir)
+	if err != nil {
+		return fmt.Errorf("error setting absolute filepath for PicsDir: %v", err)
+	}
+	c.ImgDir, err = mkDir(c.ImgDir, 0700)
+	if err != nil {
+		return fmt.Errorf("error setting up directory: %v", err)
+	}
+
 	if cliConfig.Link != defaultConfig.Link {
 		c.Link = cliConfig.Link
 	}
@@ -214,6 +239,10 @@ 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)
@@ -238,15 +267,11 @@ func (c *Config) setupConfig(cliConfig *Config) error {
 	if cliConfig.PDFDir != defaultConfig.PDFDir {
 		c.PDFDir = cliConfig.PDFDir
 	}
-	c.PDFDir, err = mkDir(c.PDFDir, 0700)
+	c.PDFDir, err = filepath.Abs(c.PDFDir)
 	if err != nil {
-		return fmt.Errorf("error setting up directory: %v", err)
+		return fmt.Errorf("error setting absolute filepath for PDFDir: %v", err)
 	}
-
-	if cliConfig.PicsDir != defaultConfig.PicsDir {
-		c.PicsDir = cliConfig.PicsDir
-	}
-	c.PicsDir, err = mkDir(c.PicsDir, 0700)
+	c.PDFDir, err = mkDir(c.PDFDir, 0700)
 	if err != nil {
 		return fmt.Errorf("error setting up directory: %v", err)
 	}
@@ -262,6 +287,10 @@ 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

@@ -14,15 +14,13 @@ import (
 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")
+	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 {
@@ -47,12 +45,12 @@ func ConvertToMarkdown(c *Config, filename string) ([]byte, error) {
 		}
 		defer image.Close()
 
-		newImageName, err := SaveImage(image, c.MaxImgHeight, c.MaxImgWidth, c.PicsDir)
+		newImageName, err := SaveImage(image, c.MaxImgHeight, c.MaxImgWidth, c.ImgDir)
 		if err != nil {
 			return nil, fmt.Errorf("error saving image %v: %v", name, err)
 		}
 
-		articleContent = regexp.MustCompile(name).ReplaceAll(articleContent, []byte(c.PicsDir+"/"+newImageName))
+		articleContent = regexp.MustCompile(name).ReplaceAll(articleContent, []byte(c.Domain+"/image/serve/"+newImageName))
 	}
 
 	return articleContent, nil

cmd/backend/images.go

@@ -6,11 +6,9 @@ import (
 	"image"
 	"io"
 	"io/fs"
-	"log"
 	"os"
 	"path/filepath"
 	"strings"
-	"time"
 
 	"github.com/chai2010/webp"
 	"github.com/disintegration/imaging"
@@ -49,31 +47,30 @@ 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 {
+func CleanUpImages(c *Config, db *DB) error {
+	if err := filepath.Walk(c.ImgDir, func(path string, info fs.FileInfo, err error) error {
 		if err != nil {
-				return err
+			return fmt.Errorf("error walking images filepath: %v", err)
 		}
 
 		if !info.IsDir() {
 			imageName := info.Name()
-				absImageName := path
+			imagePath := path
+			imageWasFound := false
 
 			if err = filepath.Walk(c.ArticleDir, func(path string, info fs.FileInfo, err error) error {
 				if err != nil {
-						return err
+					return fmt.Errorf("error walking articles filepath: %v", err)
 				}
 
 				if !info.IsDir() {
 					mdFile, err := os.Open(path)
 					if err != nil {
-							return err
+						return fmt.Errorf("error opening article %v: %v", info.Name(), err)
 					}
 					defer mdFile.Close()
 
 					scanner := bufio.NewScanner(mdFile)
-						imageWasFound := false
 
 					for scanner.Scan() {
 						if strings.Contains(scanner.Text(), imageName) {
@@ -81,26 +78,36 @@ func CleanUpImages(c *Config) {
 						}
 					}
 
-						if !imageWasFound {
-							if err = os.Remove(absImageName); err != nil {
-								return err
-							}
-						}
-
 					return scanner.Err()
 				}
 
 				return nil
 			}); err != nil {
-					return err
+				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 {
-			log.Println(err)
+		return fmt.Errorf("error cleaning up: %v", err)
 	}
 
-		time.Sleep(time.Hour)
-	}
+	return nil
 }

cmd/calls/articles.go

@@ -5,8 +5,9 @@ import (
 	"log"
 	"net/http"
 	"os"
-	"strconv"
+	"path/filepath"
 
+	"github.com/google/uuid"
 	b "streifling.com/jason/cpolis/cmd/backend"
 )
 
@@ -37,15 +38,15 @@ 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)
@@ -56,8 +57,8 @@ func ServeArticle(c *b.Config, db *b.DB) http.HandlerFunc {
 			return
 		}
 
-		articleAbsName := fmt.Sprint(c.ArticleDir, "/", article.ID, ".md")
-		contentBytes, err := os.ReadFile(articleAbsName)
+		articlePath := filepath.Join(c.ArticleDir, fmt.Sprint(article.UUID, ".md"))
+		contentBytes, err := os.ReadFile(articlePath)
 		if err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -87,15 +88,14 @@ 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"
 
@@ -11,19 +10,12 @@ import (
 
 func ServeImage(c *b.Config, s map[string]*f.Session) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		if _, err := f.ManageSession(w, r, c, s); err != nil {
+		if _, err := f.ValidateSession(w, r, c, s); err != nil {
 			if !tokenIsVerified(w, r, c) {
 				return
 			}
 		}
 
-		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.ImgDir, r.PathValue("pic")))
 	}
 }

cmd/calls/pdf.go

@@ -5,6 +5,7 @@ import (
 	"log"
 	"net/http"
 	"os"
+	"path/filepath"
 
 	b "streifling.com/jason/cpolis/cmd/backend"
 )
@@ -42,6 +43,6 @@ func ServePDF(c *b.Config) http.HandlerFunc {
 			return
 		}
 
-		http.ServeFile(w, r, c.PDFDir+"/"+r.PathValue("id"))
+		http.ServeFile(w, r, filepath.Join(c.PDFDir, r.PathValue("id")))
 	}
 }

cmd/frontend/articles.go

@@ -6,6 +6,7 @@ import (
 	"log"
 	"net/http"
 	"os"
+	"path/filepath"
 	"strconv"
 	"strings"
 	"time"
@@ -83,7 +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)
@@ -205,7 +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)
@@ -340,7 +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)
@@ -384,7 +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)
@@ -420,7 +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)
@@ -455,8 +456,8 @@ 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.UUID, ".md")
-		content, err := os.ReadFile(articleAbsName)
+		articlePath := filepath.Join(c.ArticleDir, fmt.Sprint(data.Article.UUID, ".md"))
+		content, err := os.ReadFile(articlePath)
 		if err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -524,7 +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)
@@ -586,7 +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.UUID, ".md")); err != nil {
+			if err = os.Remove(filepath.Join(c.ArticleDir, fmt.Sprint(oldArticle.UUID, ".md"))); err != nil {
 				log.Println(err)
 				http.Error(w, err.Error(), http.StatusInternalServerError)
 				return
@@ -614,7 +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)
@@ -648,7 +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)
@@ -672,7 +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)
@@ -707,7 +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)
@@ -764,8 +765,8 @@ func ReviewArticle(c *b.Config, db *b.DB, s map[string]*Session, action, title,
 			return
 		}
 
-		articleAbsName := fmt.Sprint(c.ArticleDir, "/", article.UUID, ".md")
-		content, err := os.ReadFile(articleAbsName)
+		articlePath := filepath.Join(c.ArticleDir, fmt.Sprint(article.UUID, ".md"))
+		content, err := os.ReadFile(articlePath)
 		if err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -802,7 +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)
@@ -839,12 +840,19 @@ func DeleteArticle(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFun
 			return
 		}
 
-		if err = os.Remove(fmt.Sprint(c.ArticleDir, "/", article.UUID, ".md")); err != nil {
+		if err = os.Remove(filepath.Join(c.ArticleDir, fmt.Sprint(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)
@@ -860,7 +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)
@@ -910,8 +918,8 @@ func AllowEditArticle(c *b.Config, db *b.DB, s map[string]*Session) http.Handler
 			return
 		}
 
-		src := fmt.Sprint(c.ArticleDir, "/", oldArticle.UUID, ".md")
-		dst := fmt.Sprint(c.ArticleDir, "/", newArticle.UUID, ".md")
+		src := filepath.Join(c.ArticleDir, fmt.Sprint(oldArticle.UUID, ".md"))
+		dst := filepath.Join(c.ArticleDir, fmt.Sprint(newArticle.UUID, ".md"))
 		if err = b.CopyFile(src, dst); err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -953,7 +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)
@@ -987,7 +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.UUID, ".md"))
+		content, err := os.ReadFile(filepath.Join(c.ArticleDir, fmt.Sprint(data.Article.UUID, ".md")))
 		if err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -1015,7 +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

@@ -44,22 +44,15 @@ func UploadDocx(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 			return
 		}
 
-		docxFilename := fmt.Sprint(uuid.New(), ".docx")
-		absDocxFilepath, err := filepath.Abs("/tmp/" + docxFilename)
-		if err != nil {
+		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)
 
-		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)
+		mdString, err := b.ConvertToMarkdown(c, docxFilepath)
 		if err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -67,15 +60,8 @@ func UploadDocx(c *b.Config, db *b.DB, s map[string]*Session) http.HandlerFunc {
 		}
 
 		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 {
+		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

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"
 )
@@ -24,7 +25,7 @@ func UploadEasyMDEImage(c *b.Config, s map[string]*Session) http.HandlerFunc {
 		}
 		defer file.Close()
 
-		filename, err := b.SaveImage(file, c.MaxImgHeight, c.MaxImgWidth, c.PicsDir+"/")
+		filename, err := b.SaveImage(file, c.MaxImgHeight, c.MaxImgWidth, c.ImgDir)
 		if err != nil {
 			if err == b.ErrUnsupportedFormat {
 				http.Error(w, "Das Dateiformat wird nicht unterstützt.", http.StatusBadRequest)
@@ -56,7 +57,7 @@ func UploadImage(c *b.Config, s map[string]*Session, fileKey, htmlFile, htmlTemp
 		}
 		defer file.Close()
 
-		filename, err := b.SaveImage(file, c.MaxBannerHeight, c.MaxBannerWidth, c.PicsDir+"/")
+		filename, err := b.SaveImage(file, c.MaxBannerHeight, c.MaxBannerWidth, c.ImgDir)
 		if err != nil {
 			if err == b.ErrUnsupportedFormat {
 				http.Error(w, "Das Dateiformat wird nicht unterstützt.", http.StatusBadRequest)
@@ -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

@@ -6,6 +6,7 @@ import (
 	"log"
 	"net/http"
 	"os"
+	"path/filepath"
 	"time"
 
 	"github.com/google/uuid"
@@ -57,8 +58,8 @@ func PublishLatestIssue(c *b.Config, db *b.DB, s map[string]*Session) http.Handl
 			return
 		}
 
-		articleAbsName := fmt.Sprint(c.ArticleDir, "/", article.UUID, ".md")
-		if err = os.WriteFile(articleAbsName, content, 0644); err != nil {
+		articlePath := filepath.Join(c.ArticleDir, fmt.Sprint(article.UUID, ".md"))
+		if err = os.WriteFile(articlePath, content, 0644); err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
 			return
@@ -91,7 +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

@@ -44,17 +44,11 @@ func UploadPDF(c *b.Config, s map[string]*Session) http.HandlerFunc {
 			return
 		}
 
-		oldFilename := header.Filename
-		oldFilename = strings.Join(strings.Split(oldFilename, ".")[:len(oldFilename)-1], ".")
+		oldFilename := strings.Join(strings.Split(header.Filename, ".")[:len(header.Filename)-1], ".")
 		filename := fmt.Sprint(oldFilename, ".", uuid.New(), ".pdf")
-		absFilepath, err := filepath.Abs(c.PDFDir + "/" + filename)
-		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
+		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"
@@ -63,31 +64,39 @@ func StartSessions() (map[string]*Session, chan string) {
 	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")
-
+// ValidateSession is used for verifying that the user is logged in and returns
+// their session and an error.
+func ValidateSession(w http.ResponseWriter, r *http.Request, c *b.Config, s map[string]*Session) (*Session, error) {
 	cookie, err := r.Cookie("cpolis_session")
 	if 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, errors.New("no cookie set")
 	}
 
 	session, ok := s[cookie.Value]
 	if !ok {
-		cookie.Expires = time.Now()
-		http.SetCookie(w, cookie)
+		return nil, errors.New("session does not exist")
+	}
 
+	return session, nil
+}
+
+// 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) {
+	session, err := ValidateSession(w, r, c, s)
+	if err != nil {
+		if session.cookie != nil {
+			session.cookie.Expires = time.Now()
+			http.SetCookie(w, session.cookie)
+		}
+
+		tmpl, tmplErr := template.ParseFiles(filepath.Join(c.WebDir, "templates", "index.html"), filepath.Join(c.WebDir, "templates", "login.html"))
 		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")
+		return nil, err
 	}
 
 	session.cookie.Expires = time.Now().Add(time.Hour * time.Duration(c.CookieExpiryHours))
@@ -124,7 +133,7 @@ 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 +144,7 @@ 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)
@@ -312,7 +313,7 @@ func AddFirstUser(c *b.Config, db *b.DB, s map[string]*Session, sessionExpiryCha
 		data := new(struct{ Role int })
 		data.Role = 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)
@@ -343,7 +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)
@@ -381,7 +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)
@@ -466,7 +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)
@@ -499,7 +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"
@@ -32,7 +33,14 @@ func main() {
 	sessions, sessionExpiryChan := f.StartSessions()
 	defer close(sessionExpiryChan)
 
-	// go b.CleanUpImages(config)
+	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/",
@@ -52,8 +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))

docker-compose.yml

@@ -0,0 +1,23 @@
+services:
+  app:
+    build: .
+    ports:
+      - "1664:1664"
+    volumes:
+      - /etc/cpolis/config.toml:/etc/cpolis/config.toml
+      - /etc/cpolis/serviceAccountKey.json:/etc/cpolis/serviceAccountKey.json
+      - /var/log/cpolis.log:/var/log/cpolis.log
+    depends_on:
+      - db
+
+  db:
+    image: mariadb:latest
+    environment:
+      MYSQL_ROOT_PASSWORD: example
+      MYSQL_DATABASE: cpolis
+      MYSQL_USER: exampleuser
+      MYSQL_PASSWORD: examplepass
+    ports:
+      - "3306:3306"
+    volumes:
+      - ./create_db.sql:/docker-entrypoint-initdb.d/create_db.sql

web/templates/index.html

@@ -38,11 +38,11 @@
     </main>
 
     <footer class="text-center text-gray-500 my-8">
-        <p>&copy; 2024 Jason Streifling. Alle Rechte vorbehalten.</p>
+        <p>&copy; 2025 Jason Streifling. Alle Rechte vorbehalten.</p>
         <p>{{.Version}} - <strong>Alpha: Drastische Änderungen und Fehler vorbehalten.</strong></p>
     </footer>
 
-    <script src="https://unpkg.com/htmx.org@2.0.3"></script>
+    <script src="https://unpkg.com/htmx.org@latest"></script>
     <script src="https://unpkg.com/easymde/dist/easymde.min.js"></script>
     <script>
         document.addEventListener('DOMContentLoaded', () => {