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fix: prevent slice out of range when attachment data starts with base64,

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Signed-off-by: SAY-5 <say.apm35@gmail.com>
This commit is contained in:
SAY-5 2026-05-24 16:21:46 -07:00
parent 99157a035f
commit 6b89035dd5
2 changed files with 6 additions and 0 deletions
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3
src/client/attachment.go
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@ -44,6 +44,9 @@ func (attachmentEntry *AttachmentEntry) extractMetaData(attachmentData string) {
}
attachmentEntry.Base64 = attachmentData[base64FlagIndex+len("base64,"):]
if base64FlagIndex == 0 {
return
}
metaDataKeys := map[string]string{
"data:": "MimeInfo",
"filename=": "FileName",

3
src/client/attachment_test.go
View File

@ -45,6 +45,9 @@ func Test_Attachment_ExtractMetadata_ShouldPrepareDataFor_toDataForSignal(t *tes
{
"-base64 +data +filename", "data:someData;filename=file.name;INVALIDMTIzNDU=", false, "data:someData;filename=file.name;INVALIDMTIzNDU=", false, "", "", "data:someData;filename=file.name;INVALIDMTIzNDU=",
},
{
"base64 prefix at start +data", "base64,data:someData", false, "data:someData", false, "", "", "data:someData",
},
}
attachmentTmp := flag.String("attachment-tmp-dir", string(os.PathSeparator)+"tmp"+string(os.PathSeparator), "Attachment tmp directory")