hugo-micropub/mediaendpoint.go

69 lines
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package main
import (
"crypto/sha256"
"fmt"
"io"
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"net/http"
"strings"
)
func HandleMedia(w http.ResponseWriter, r *http.Request) {
if r.Method != "POST" {
w.WriteHeader(http.StatusMethodNotAllowed)
_, _ = w.Write([]byte("The HTTP method is not allowed, make a POST request"))
return
}
if contentType := r.Header.Get("content-type"); !strings.Contains(contentType, "multipart/form-data") {
w.WriteHeader(http.StatusBadRequest)
_, _ = w.Write([]byte("Wrong Content-Type"))
return
}
err := r.ParseMultipartForm(0)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
_, _ = w.Write([]byte("Failed to parse Multipart"))
return
}
authCode := r.Header.Get("authorization")
if formAuth := r.FormValue("authorization"); len(authCode) == 0 && len(formAuth) > 0 {
authCode = formAuth
}
if CheckAuthorization(authCode) {
file, header, err := r.FormFile("file")
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
_, _ = w.Write([]byte("Failed to get file"))
return
}
hashFile, _, _ := r.FormFile("file")
h := sha256.New()
defer func() { _ = hashFile.Close() }()
if _, err := io.Copy(h, hashFile); err != nil {
w.WriteHeader(http.StatusInternalServerError)
_, _ = w.Write([]byte("Failed to calculate hash of file"))
return
}
fileName := fmt.Sprintf("%x", h.Sum(nil))
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mimeType := header.Header.Get("content-type")
originalName := header.Filename
if strings.Contains(mimeType, "jpeg") || strings.Contains(originalName, ".jpeg") || strings.Contains(originalName, ".jpg") {
fileName += ".jpg"
} else if strings.Contains(mimeType, "png") || strings.Contains(originalName, ".png") {
fileName += ".png"
}
location, err := SelectedMediaStorage.Upload(fileName, file)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
_, _ = w.Write([]byte("Failed to upload file"))
return
}
w.Header().Add("Location", location)
w.WriteHeader(http.StatusCreated)
} else {
w.WriteHeader(http.StatusForbidden)
_, _ = w.Write([]byte("Forbidden, there was a problem with the provided access token"))
return
}
}