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fix(compressor): fix MIME type detection failure for spanned ZIP files #427

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Merged
deepin-bot merged 1 commit into from
Jun 11, 2026
Merged

fix(compressor): fix MIME type detection failure for spanned ZIP files #427

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9 changes: 7 additions & 2 deletions src/source/common/mimetypes.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -115,9 +115,14 @@ CustomMimeType determineMimeType(const QString &filename)
* 谷歌插件crx：内容检测为"application/octet-stream"，后缀检测为"application/octet-stream"，file命令探测为"application/x-chrome-extension"
* zip分卷包：内容检测为"application/octet-stream"，后缀检测为"application/zip"，file命令探测为"application/octet-stream"
* iso：内容检测为"application/octet-stream"，后缀检测为"application/x-cd-image"，file命令探测为"application/x-iso9660-image"
* WinZip分卷ZIP：扩展名检测为"application/zip"，内容检测可能不是zip（如误识别为pdf），file命令探测为"application/zip"
*/
if (mimeFromContent.isDefault()) {

const QString &extName = mimeFromExtension.name();
bool isZipExtension = (extName == QStringLiteral("application/zip"));
bool isContentZip = mimeFromContent.inherits(QStringLiteral("application/zip"));
bool needFileCommandFallback = mimeFromContent.isDefault() || (isZipExtension && !isContentZip);
if (needFileCommandFallback) {
qDebug() << "Using file command to detect MIME type for:" << filename;
QProcess process;
QStringList args;
args << "--mime-type" << filename;
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