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Added support for uncompressing symbolic links in zip files

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This commit is contained in:
hogliux 2018-04-03 12:01:30 +01:00
parent 0c18f1cab7
commit 7bcd6a5ecd
2 changed files with 16 additions and 0 deletions
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13
modules/juce_core/zip/juce_ZipFile.cpp
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@ -46,6 +46,10 @@ struct ZipFile::ZipEntryHolder
entry.uncompressedSize = (int64) readUnalignedLittleEndianInt (buffer + 24);
streamOffset = (int64) readUnalignedLittleEndianInt (buffer + 42);
auto externalFileAttributes = (int32) readUnalignedLittleEndianInt (buffer + 38);
auto fileType = (externalFileAttributes >> 28) & 0xf;
entry.isSymbolicLink = (fileType == 0xA);
entry.filename = String::fromUTF8 (buffer + 46, fileNameLen);
}
@ -430,6 +434,15 @@ Result ZipFile::uncompressEntry (int index, const File& targetDirectory, bool sh
if (! targetFile.getParentDirectory().createDirectory())
return Result::fail ("Failed to create target folder: " + targetFile.getParentDirectory().getFullPathName());
if (zei->entry.isSymbolicLink)
{
String relativePath (in->readEntireStreamAsString());
auto originalFilePath = targetFile.getParentDirectory().getChildFile (relativePath);
if (! originalFilePath.createSymbolicLink (targetFile, true))
return Result::fail ("Failed to create symbolic link: " + targetFile.getFullPathName());
}
else
{
FileOutputStream out (targetFile);

3
modules/juce_core/zip/juce_ZipFile.h
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@ -79,6 +79,9 @@ public:
/** The last time the file was modified. */
Time fileTime;
/** True if the zip entry is a symbolic link. */
bool isSymbolicLink;
};
//==============================================================================