64 lines
1.5 KiB
Go
64 lines
1.5 KiB
Go
package frontend
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import (
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"fmt"
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"log"
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"net/http"
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"path/filepath"
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"github.com/google/uuid"
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b "streifling.com/jason/cpolis/cmd/backend"
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)
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func UploadPDF(c *b.Config, s *b.CookieStore) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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if _, err := getSession(w, r, c, s); err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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file, _, err := r.FormFile("pdf-upload")
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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defer file.Close()
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buffer := make([]byte, 512) // Should be enough for mime type
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if _, err := file.Read(buffer); err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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if _, err := file.Seek(0, 0); err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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if http.DetectContentType(buffer) != "application/pdf" {
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http.Error(w, "Die Datei ist kein PDF.", http.StatusBadRequest)
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return
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}
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filename := fmt.Sprint(uuid.New(), ".pdf")
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absFilepath, err := filepath.Abs(c.PDFDir + "/" + filename)
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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if err = b.WriteFile(absFilepath, file); err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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w.WriteHeader(http.StatusOK)
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}
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}
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