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@ -298,7 +298,8 @@ class Stream {
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// automatically attempted when the file is written to disk -
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// we are handling that separately here and we don't want to
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// get into an infinite loop
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//\OC_FileProxy::$enabled = false;
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$proxyStatus = \OC_FileProxy::$enabled;
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\OC_FileProxy::$enabled = false;
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// Get the length of the unencrypted data that we are handling
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$length = strlen( $data );
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@ -322,30 +323,7 @@ class Stream {
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}
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// Fetch user's public key
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$this->publicKey = Keymanager::getPublicKey( $this->rootView, $this->userId );
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// Check if OC sharing api is enabled
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$sharingEnabled = \OCP\Share::isEnabled();
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$util = new Util( $this->rootView, $this->userId );
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// Get all users sharing the file includes current user
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$uniqueUserIds = $util->getSharingUsersArray( $sharingEnabled, $this->relPath, $this->userId);
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// Fetch public keys for all sharing users
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$publicKeys = Keymanager::getPublicKeys( $this->rootView, $uniqueUserIds );
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// Encrypt enc key for all sharing users
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$this->encKeyfiles = Crypt::multiKeyEncrypt( $this->plainKey, $publicKeys );
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$view = new \OC_FilesystemView( '/' );
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// Save the new encrypted file key
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Keymanager::setFileKey( $this->rootView, $this->relPath, $this->userId, $this->encKeyfiles['data'] );
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// Save the sharekeys
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Keymanager::setShareKeys( $view, $this->relPath, $this->encKeyfiles['keys'] );
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// If extra data is left over from the last round, make sure it
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// is integrated into the next 6126 / 8192 block
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@ -437,6 +415,8 @@ class Stream {
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$this->size = max( $this->size, $pointer + $length );
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$this->unencryptedSize += $length;
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\OC_FileProxy::$enabled = $proxyStatus;
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return $length;
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}
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@ -492,13 +472,46 @@ class Stream {
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}
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public function stream_close() {
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$this->flush();
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$this->flush();
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if (
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$this->meta['mode']!='r'
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and $this->meta['mode']!='rb'
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) {
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// Disable encryption proxy to prevent recursive calls
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$proxyStatus = \OC_FileProxy::$enabled;
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\OC_FileProxy::$enabled = false;
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// Fetch user's public key
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$this->publicKey = Keymanager::getPublicKey( $this->rootView, $this->userId );
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// Check if OC sharing api is enabled
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$sharingEnabled = \OCP\Share::isEnabled();
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$util = new Util( $this->rootView, $this->userId );
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// Get all users sharing the file includes current user
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$uniqueUserIds = $util->getSharingUsersArray( $sharingEnabled, $this->relPath, $this->userId);
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// Fetch public keys for all sharing users
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$publicKeys = Keymanager::getPublicKeys( $this->rootView, $uniqueUserIds );
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// Encrypt enc key for all sharing users
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$this->encKeyfiles = Crypt::multiKeyEncrypt( $this->plainKey, $publicKeys );
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$view = new \OC_FilesystemView( '/' );
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// Save the new encrypted file key
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Keymanager::setFileKey( $this->rootView, $this->relPath, $this->userId, $this->encKeyfiles['data'] );
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// Save the sharekeys
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Keymanager::setShareKeys( $view, $this->relPath, $this->encKeyfiles['keys'] );
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// Re-enable proxy - our work is done
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\OC_FileProxy::$enabled = $proxyStatus;
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\OC\Files\Filesystem::putFileInfo( $this->relPath, array( 'encrypted' => 1, 'size' => $this->size, 'unencrypted_size' => $this->unencryptedSize ), '' );
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}
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