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don't leak mimetype for encrypted attachments

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This commit is contained in:
Bruno Windels 2020-11-13 19:10:04 +01:00
parent 96e46d154c
commit 262cc8936e
2 changed files with 3 additions and 3 deletions
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2
src/matrix/e2ee/attachment.js
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@ -65,7 +65,7 @@ export async function encryptAttachment(platform, blob) {
const ciphertext = await crypto.aes.encryptCTR({jwkKey: key, iv, data: buffer});
const digest = await crypto.digest("SHA-256", ciphertext);
return {
blob: platform.createBlob(ciphertext, blob.mimeType),
blob: platform.createBlob(ciphertext, 'application/octet-stream'),
info: {
v: "v2",
key,

4
src/matrix/room/AttachmentUpload.js
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@ -98,10 +98,10 @@ export class AttachmentUpload {
}
let prefix = urlPath.substr(0, urlPath.lastIndexOf("url"));
setPath(`${prefix}info.size`, content, this._transferredBlob.size);
setPath(`${prefix}info.mimetype`, content, this._unencryptedBlob.mimeType);
setPath(`${prefix}info.mimetype`, content, this._transferredBlob.mimeType);
if (this._isEncrypted) {
setPath(`${prefix}file`, content, Object.assign(this._encryptionInfo, {
mimetype: this._unencryptedBlob.mimeType,
mimetype: this._transferredBlob.mimeType,
url: this._mxcUrl
}));
} else {