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speed improvement

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This commit is contained in:
Florin Peter 2013-04-29 01:43:59 +02:00
parent f9760f6521
commit 4a63faf64b
1 changed files with 39 additions and 26 deletions
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63
apps/files_encryption/lib/stream.php
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@ -298,7 +298,8 @@ class Stream {
// automatically attempted when the file is written to disk -
// we are handling that separately here and we don't want to
// get into an infinite loop
//\OC_FileProxy::$enabled = false;
$proxyStatus = \OC_FileProxy::$enabled;
\OC_FileProxy::$enabled = false;
// Get the length of the unencrypted data that we are handling
$length = strlen( $data );
@ -322,30 +323,7 @@ class Stream {
}
// Fetch user's public key
$this->publicKey = Keymanager::getPublicKey( $this->rootView, $this->userId );
// Check if OC sharing api is enabled
$sharingEnabled = \OCP\Share::isEnabled();
$util = new Util( $this->rootView, $this->userId );
// Get all users sharing the file includes current user
$uniqueUserIds = $util->getSharingUsersArray( $sharingEnabled, $this->relPath, $this->userId);
// Fetch public keys for all sharing users
$publicKeys = Keymanager::getPublicKeys( $this->rootView, $uniqueUserIds );
// Encrypt enc key for all sharing users
$this->encKeyfiles = Crypt::multiKeyEncrypt( $this->plainKey, $publicKeys );
$view = new \OC_FilesystemView( '/' );
// Save the new encrypted file key
Keymanager::setFileKey( $this->rootView, $this->relPath, $this->userId, $this->encKeyfiles['data'] );
// Save the sharekeys
Keymanager::setShareKeys( $view, $this->relPath, $this->encKeyfiles['keys'] );
// If extra data is left over from the last round, make sure it
// is integrated into the next 6126 / 8192 block
@ -437,6 +415,8 @@ class Stream {
$this->size = max( $this->size, $pointer + $length );
$this->unencryptedSize += $length;
\OC_FileProxy::$enabled = $proxyStatus;
return $length;
}
@ -493,12 +473,45 @@ class Stream {
public function stream_close() {
$this->flush();
$this->flush();
if (
$this->meta['mode']!='r'
and $this->meta['mode']!='rb'
) {
// Disable encryption proxy to prevent recursive calls
$proxyStatus = \OC_FileProxy::$enabled;
\OC_FileProxy::$enabled = false;
// Fetch user's public key
$this->publicKey = Keymanager::getPublicKey( $this->rootView, $this->userId );
// Check if OC sharing api is enabled
$sharingEnabled = \OCP\Share::isEnabled();
$util = new Util( $this->rootView, $this->userId );
// Get all users sharing the file includes current user
$uniqueUserIds = $util->getSharingUsersArray( $sharingEnabled, $this->relPath, $this->userId);
// Fetch public keys for all sharing users
$publicKeys = Keymanager::getPublicKeys( $this->rootView, $uniqueUserIds );
// Encrypt enc key for all sharing users
$this->encKeyfiles = Crypt::multiKeyEncrypt( $this->plainKey, $publicKeys );
$view = new \OC_FilesystemView( '/' );
// Save the new encrypted file key
Keymanager::setFileKey( $this->rootView, $this->relPath, $this->userId, $this->encKeyfiles['data'] );
// Save the sharekeys
Keymanager::setShareKeys( $view, $this->relPath, $this->encKeyfiles['keys'] );
// Re-enable proxy - our work is done
\OC_FileProxy::$enabled = $proxyStatus;
\OC\Files\Filesystem::putFileInfo( $this->relPath, array( 'encrypted' => 1, 'size' => $this->size, 'unencrypted_size' => $this->unencryptedSize ), '' );
}