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Fix mbox scanning

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This commit is contained in:
Michal Horejsek
2020-10-12 15:23:19 +02:00
parent e4a341af3a
commit 64fbcdc1ca
1 changed files with 6 additions and 7 deletions
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13
internal/transfer/provider_mbox_gmail_labels.go
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@ -40,6 +40,8 @@ func getGmailLabelsFromMboxFile(filePath string) (stringSet, error) {
func getGmailLabelsFromMboxReader(f io.Reader) (stringSet, error) {
allLabels := map[string]bool{}
// Scanner is not used as it does not support long lines and some mbox
// files contain very long lines even though that should not be happening.
r := bufio.NewReader(f)
for {
b, isPrefix, err := r.ReadLine()
@ -49,14 +51,11 @@ func getGmailLabelsFromMboxReader(f io.Reader) (stringSet, error) {
if err != nil {
return nil, err
}
if isPrefix {
for !isPrefix {
_, isPrefix, err = r.ReadLine()
if err != nil {
break
}
for isPrefix {
_, isPrefix, err = r.ReadLine()
if err != nil {
break
}
continue
}
if bytes.HasPrefix(b, []byte(xGmailLabelsHeader)) {
for label := range getGmailLabelsFromValue(string(b)) {