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pass reader around instead of []byte

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This commit is contained in:
tsmethurst 2022-01-16 18:52:55 +01:00
commit 589bb9df02
14 changed files with 246 additions and 394 deletions
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11
internal/media/util.go
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@ -19,7 +19,6 @@
package media
import (
"bytes"
"errors"
"fmt"
@ -28,11 +27,11 @@ import (
// parseContentType parses the MIME content type from a file, returning it as a string in the form (eg., "image/jpeg").
// Returns an error if the content type is not something we can process.
func parseContentType(content []byte) (string, error) {
// read in the first bytes of the file
fileHeader := make([]byte, maxFileHeaderBytes)
if _, err := bytes.NewReader(content).Read(fileHeader); err != nil {
return "", fmt.Errorf("could not read first magic bytes of file: %s", err)
//
// Fileheader should be no longer than 262 bytes; anything more than this is inefficient.
func parseContentType(fileHeader []byte) (string, error) {
if fhLength := len(fileHeader); fhLength > maxFileHeaderBytes {
return "", fmt.Errorf("parseContentType requires %d bytes max, we got %d", maxFileHeaderBytes, fhLength)
}
kind, err := filetype.Match(fileHeader)