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Split up max value for img height and with into values for img and banner

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This commit is contained in:
Jason Streifling
2024-10-27 15:05:11 +01:00
parent d86b9027bf
commit 878f57af08
5 changed files with 82 additions and 115 deletions
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3
.air.toml
View File

@@ -6,12 +6,14 @@ tmp_dir = "tmp"
args_bin = [
"-aes tmp/cpolis.aes",
"-articles tmp/articles",
"-banner-width 512",
"-config tmp/config.toml",
"-desc 'Freiheit, Gleichheit, Brüderlichkeit, Toleranz und Humanität'",
"-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",
"-pdfs tmp/pdfs",
@@ -19,7 +21,6 @@ args_bin = [
"-port 8080",
"-title 'Freimaurer Distrikt Niedersachsen und Sachsen-Anhalt'",
"-web web",
"-width 1024",
]
bin = "./tmp/main"
cmd = "go build -o ./tmp/main ./cmd/main.go"

86
cmd/backend/config.go
View File

@@ -12,44 +12,48 @@ import (
)
type Config struct {
AESKeyFile string
ArticleDir string
ConfigFile string
DBName string
Description string
Domain string
AtomFeed string
FirebaseKey string
GOBKeyFile string
Link string
LogFile string
PDFDir string
PicsDir string
Port string
Title string
Version string
WebDir string
MaxImgHeight int
MaxImgWidth int
AESKeyFile string
ArticleDir string
ConfigFile string
DBName string
Description string
Domain string
AtomFeed 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
}
func newConfig() *Config {
return &Config{
AESKeyFile: "/var/www/cpolis/aes.key",
ArticleDir: "/var/www/cpolis/articles",
ConfigFile: "/etc/cpolis/config.toml",
DBName: "cpolis",
AtomFeed: "/var/www/cpolis/cpolis.atom",
FirebaseKey: "/var/www/cpolis/serviceAccountKey.json",
GOBKeyFile: "/var/www/cpolis/gob.key",
LogFile: "/var/log/cpolis.log",
MaxImgHeight: 1080,
MaxImgWidth: 1920,
PDFDir: "/var/www/cpolis/pdfs",
PicsDir: "/var/www/cpolis/pics",
Port: ":8080",
Version: "v0.13.0",
WebDir: "/var/www/cpolis/web",
AESKeyFile: "/var/www/cpolis/aes.key",
ArticleDir: "/var/www/cpolis/articles",
ConfigFile: "/etc/cpolis/config.toml",
DBName: "cpolis",
AtomFeed: "/var/www/cpolis/cpolis.atom",
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: "v0.13.0",
WebDir: "/var/www/cpolis/web",
}
}
@@ -119,8 +123,10 @@ func (c *Config) handleCliArgs() error {
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.MaxImgHeight, "height", c.MaxImgHeight, "maximum image height")
flag.IntVar(&c.MaxImgWidth, "width", c.MaxImgWidth, "maximum image width")
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")
flag.IntVar(&c.MaxImgWidth, "img-width", c.MaxImgWidth, "maximum image width")
flag.IntVar(&port, "port", port, "port")
flag.Parse()
@@ -217,6 +223,14 @@ func (c *Config) setupConfig(cliConfig *Config) error {
return fmt.Errorf("error setting up file: %v", err)
}
if cliConfig.MaxBannerHeight != defaultConfig.MaxBannerHeight {
c.MaxBannerHeight = cliConfig.MaxBannerHeight
}
if cliConfig.MaxBannerWidth != defaultConfig.MaxBannerWidth {
c.MaxBannerWidth = cliConfig.MaxBannerWidth
}
if cliConfig.MaxImgHeight != defaultConfig.MaxImgHeight {
c.MaxImgHeight = cliConfig.MaxImgHeight
}

30
cmd/backend/images.go
View File

@@ -1,6 +1,7 @@
package backend
import (
"encoding/base64"
"fmt"
"image"
"io"
@@ -13,7 +14,7 @@ import (
var ErrUnsupportedFormat error = image.ErrFormat // used internally by imaging
func SaveImage(c *Config, src io.Reader) (string, error) {
func SaveImage(src io.Reader, maxHeight, maxWidth int, path string) (string, error) {
img, err := imaging.Decode(src, imaging.AutoOrientation(true))
if err != nil {
if err == ErrUnsupportedFormat {
@@ -22,15 +23,15 @@ func SaveImage(c *Config, src io.Reader) (string, error) {
return "", fmt.Errorf("error decoding image: %v", err)
}
if img.Bounds().Dy() > c.MaxImgHeight {
img = imaging.Resize(img, 0, c.MaxImgHeight, imaging.Lanczos)
if img.Bounds().Dy() > maxHeight {
img = imaging.Resize(img, 0, maxHeight, imaging.Lanczos)
}
if img.Bounds().Dx() > c.MaxImgWidth {
img = imaging.Resize(img, c.MaxImgWidth, 0, imaging.Lanczos)
if img.Bounds().Dx() > maxWidth {
img = imaging.Resize(img, maxWidth, 0, imaging.Lanczos)
}
filename := fmt.Sprint(uuid.New(), ".webp")
file, err := os.Create(c.PicsDir + "/" + filename)
file, err := os.Create(path + filename)
if err != nil {
return "", fmt.Errorf("error creating new image file: %v", err)
}
@@ -42,3 +43,20 @@ func SaveImage(c *Config, src io.Reader) (string, error) {
return filename, nil
}
func ServeBase64Image(c *Config, filename string) (string, error) {
file := c.PicsDir + "/" + filename
img, err := os.Open(file)
if err != nil {
return "", fmt.Errorf("error opening file %v: %v", file, err)
}
defer img.Close()
imgBytes, err := io.ReadAll(img)
if err != nil {
return "", fmt.Errorf("error turning %v into bytes: %v", file, err)
}
return base64.StdEncoding.EncodeToString(imgBytes), nil
}

6
cmd/frontend/articles.go
View File

@@ -348,7 +348,7 @@ func ReviewRejectedArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.Handler
imgURL := strings.Split(data.Article.BannerLink, "/")
imgFileName := imgURL[len(imgURL)-1]
data.BannerImage, err = serveBase64Image(c, imgFileName)
data.BannerImage, err = b.ServeBase64Image(c, imgFileName)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -625,7 +625,7 @@ func ReviewArticle(c *b.Config, db *b.DB, s *b.CookieStore, action, title, butto
imgURL := strings.Split(article.BannerLink, "/")
imgFileName := imgURL[len(imgURL)-1]
data.BannerImage, err = serveBase64Image(c, imgFileName)
data.BannerImage, err = b.ServeBase64Image(c, imgFileName)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -808,7 +808,7 @@ func EditArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
imgURL := strings.Split(data.Article.BannerLink, "/")
imgFileName := imgURL[len(imgURL)-1]
data.BannerImage, err = serveBase64Image(c, imgFileName)
data.BannerImage, err = b.ServeBase64Image(c, imgFileName)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), http.StatusInternalServerError)

72
cmd/frontend/images.go
View File

@@ -1,35 +1,14 @@
package frontend
import (
"encoding/base64"
"encoding/json"
"fmt"
"html/template"
"io"
"log"
"net/http"
"os"
b "streifling.com/jason/cpolis/cmd/backend"
)
func serveBase64Image(c *b.Config, filename string) (string, error) {
file := c.PicsDir + "/" + filename
img, err := os.Open(file)
if err != nil {
return "", fmt.Errorf("error opening file %v: %v", file, err)
}
defer img.Close()
imgBytes, err := io.ReadAll(img)
if err != nil {
return "", fmt.Errorf("error turning %v into bytes: %v", file, err)
}
return base64.StdEncoding.EncodeToString(imgBytes), nil
}
func UploadImage(c *b.Config, s *b.CookieStore) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
if _, err := getSession(w, r, c, s); err != nil {
@@ -52,7 +31,7 @@ func UploadImage(c *b.Config, s *b.CookieStore) http.HandlerFunc {
}
defer file.Close()
filename, err := b.SaveImage(c, file)
filename, err := b.SaveImage(file, c.MaxImgHeight, c.MaxImgWidth, c.PicsDir+"/")
if err != nil {
if err == b.ErrUnsupportedFormat {
http.Error(w, "Das Dateiformat wird nicht unterstützt.", http.StatusBadRequest)
@@ -69,51 +48,6 @@ func UploadImage(c *b.Config, s *b.CookieStore) http.HandlerFunc {
}
}
func UploadIssueImage(c *b.Config, 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
}
if err := r.ParseMultipartForm(10 << 20); err != nil {
log.Println(err)
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
file, _, err := r.FormFile("issue-image")
if err != nil {
log.Println(err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
defer file.Close()
filename, err := b.SaveImage(c, file)
if err != nil {
if err == b.ErrUnsupportedFormat {
http.Error(w, "Das Dateiformat wird nicht unterstützt.", http.StatusBadRequest)
return
}
log.Println(err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
session.Values["issue-image"] = filename
if err = session.Save(r, w); err != nil {
log.Println(err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
w.WriteHeader(http.StatusOK)
}
}
func UploadBanner(c *b.Config, s *b.CookieStore, fileKey, htmlFile, htmlTemplate string) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
if _, err := getSession(w, r, c, s); err != nil {
@@ -130,7 +64,7 @@ func UploadBanner(c *b.Config, s *b.CookieStore, fileKey, htmlFile, htmlTemplate
}
defer file.Close()
filename, err := b.SaveImage(c, file)
filename, err := b.SaveImage(file, c.MaxBannerHeight, c.MaxBannerWidth, c.PicsDir+"/")
if err != nil {
if err == b.ErrUnsupportedFormat {
http.Error(w, "Das Dateiformat wird nicht unterstützt.", http.StatusBadRequest)
@@ -141,7 +75,7 @@ func UploadBanner(c *b.Config, s *b.CookieStore, fileKey, htmlFile, htmlTemplate
return
}
base64Img, err := serveBase64Image(c, filename)
base64Img, err := b.ServeBase64Image(c, filename)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), http.StatusInternalServerError)