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Diffstat (limited to 'apps/files_encryption/test/crypt.php')
| -rwxr-xr-x | apps/files_encryption/test/crypt.php | 667 |
1 files changed, 0 insertions, 667 deletions
diff --git a/apps/files_encryption/test/crypt.php b/apps/files_encryption/test/crypt.php deleted file mode 100755 index aa87ec32821..00000000000 --- a/apps/files_encryption/test/crypt.php +++ /dev/null @@ -1,667 +0,0 @@ -<?php -/** - * Copyright (c) 2012 Sam Tuke <samtuke@owncloud.com>, and - * Robin Appelman <icewind@owncloud.com> - * This file is licensed under the Affero General Public License version 3 or - * later. - * See the COPYING-README file. - */ - -//require_once "PHPUnit/Framework/TestCase.php"; -require_once realpath( dirname(__FILE__).'/../../../3rdparty/Crypt_Blowfish/Blowfish.php' ); -require_once realpath( dirname(__FILE__).'/../../../lib/base.php' ); -require_once realpath( dirname(__FILE__).'/../lib/crypt.php' ); -require_once realpath( dirname(__FILE__).'/../lib/keymanager.php' ); -require_once realpath( dirname(__FILE__).'/../lib/proxy.php' ); -require_once realpath( dirname(__FILE__).'/../lib/stream.php' ); -require_once realpath( dirname(__FILE__).'/../lib/util.php' ); -require_once realpath( dirname(__FILE__).'/../appinfo/app.php' ); - -use OCA\Encryption; - -// This has to go here because otherwise session errors arise, and the private -// encryption key needs to be saved in the session -\OC_User::login( 'admin', 'admin' ); - -/** - * @note It would be better to use Mockery here for mocking out the session - * handling process, and isolate calls to session class and data from the unit - * tests relating to them (stream etc.). However getting mockery to work and - * overload classes whilst also using the OC autoloader is difficult due to - * load order Pear errors. - */ - -class Test_Crypt extends \PHPUnit_Framework_TestCase { - - function setUp() { - - // set content for encrypting / decrypting in tests - $this->dataLong = file_get_contents( realpath( dirname(__FILE__).'/../lib/crypt.php' ) ); - $this->dataShort = 'hats'; - $this->dataUrl = realpath( dirname(__FILE__).'/../lib/crypt.php' ); - $this->legacyData = realpath( dirname(__FILE__).'/legacy-text.txt' ); - $this->legacyEncryptedData = realpath( dirname(__FILE__).'/legacy-encrypted-text.txt' ); - $this->randomKey = Encryption\Crypt::generateKey(); - - $keypair = Encryption\Crypt::createKeypair(); - $this->genPublicKey = $keypair['publicKey']; - $this->genPrivateKey = $keypair['privateKey']; - - $this->view = new \OC_FilesystemView( '/' ); - - \OC_User::setUserId( 'admin' ); - $this->userId = 'admin'; - $this->pass = 'admin'; - - \OC_Filesystem::init( '/' ); - \OC_Filesystem::mount( 'OC_Filestorage_Local', array('datadir' => \OC_User::getHome($this->userId)), '/' ); - - } - - function tearDown() { - - } - - function testGenerateKey() { - - # TODO: use more accurate (larger) string length for test confirmation - - $key = Encryption\Crypt::generateKey(); - - $this->assertTrue( strlen( $key ) > 16 ); - - } - - function testGenerateIv() { - - $iv = Encryption\Crypt::generateIv(); - - $this->assertEquals( 16, strlen( $iv ) ); - - return $iv; - - } - - /** - * @depends testGenerateIv - */ - function testConcatIv( $iv ) { - - $catFile = Encryption\Crypt::concatIv( $this->dataLong, $iv ); - - // Fetch encryption metadata from end of file - $meta = substr( $catFile, -22 ); - - $identifier = substr( $meta, 0, 6); - - // Fetch IV from end of file - $foundIv = substr( $meta, 6 ); - - $this->assertEquals( '00iv00', $identifier ); - - $this->assertEquals( $iv, $foundIv ); - - // Remove IV and IV identifier text to expose encrypted content - $data = substr( $catFile, 0, -22 ); - - $this->assertEquals( $this->dataLong, $data ); - - return array( - 'iv' => $iv - , 'catfile' => $catFile - ); - - } - - /** - * @depends testConcatIv - */ - function testSplitIv( $testConcatIv ) { - - // Split catfile into components - $splitCatfile = Encryption\Crypt::splitIv( $testConcatIv['catfile'] ); - - // Check that original IV and split IV match - $this->assertEquals( $testConcatIv['iv'], $splitCatfile['iv'] ); - - // Check that original data and split data match - $this->assertEquals( $this->dataLong, $splitCatfile['encrypted'] ); - - } - - function testAddPadding() { - - $padded = Encryption\Crypt::addPadding( $this->dataLong ); - - $padding = substr( $padded, -2 ); - - $this->assertEquals( 'xx' , $padding ); - - return $padded; - - } - - /** - * @depends testAddPadding - */ - function testRemovePadding( $padded ) { - - $noPadding = Encryption\Crypt::RemovePadding( $padded ); - - $this->assertEquals( $this->dataLong, $noPadding ); - - } - - function testEncrypt() { - - $random = openssl_random_pseudo_bytes( 13 ); - - $iv = substr( base64_encode( $random ), 0, -4 ); // i.e. E5IG033j+mRNKrht - - $crypted = Encryption\Crypt::encrypt( $this->dataUrl, $iv, 'hat' ); - - $this->assertNotEquals( $this->dataUrl, $crypted ); - - } - - function testDecrypt() { - - $random = openssl_random_pseudo_bytes( 13 ); - - $iv = substr( base64_encode( $random ), 0, -4 ); // i.e. E5IG033j+mRNKrht - - $crypted = Encryption\Crypt::encrypt( $this->dataUrl, $iv, 'hat' ); - - $decrypt = Encryption\Crypt::decrypt( $crypted, $iv, 'hat' ); - - $this->assertEquals( $this->dataUrl, $decrypt ); - - } - - function testSymmetricEncryptFileContent() { - - # TODO: search in keyfile for actual content as IV will ensure this test always passes - - $crypted = Encryption\Crypt::symmetricEncryptFileContent( $this->dataShort, 'hat' ); - - $this->assertNotEquals( $this->dataShort, $crypted ); - - - $decrypt = Encryption\Crypt::symmetricDecryptFileContent( $crypted, 'hat' ); - - $this->assertEquals( $this->dataShort, $decrypt ); - - } - - // These aren't used for now -// function testSymmetricBlockEncryptShortFileContent() { -// -// $crypted = Encryption\Crypt::symmetricBlockEncryptFileContent( $this->dataShort, $this->randomKey ); -// -// $this->assertNotEquals( $this->dataShort, $crypted ); -// -// -// $decrypt = Encryption\Crypt::symmetricBlockDecryptFileContent( $crypted, $this->randomKey ); -// -// $this->assertEquals( $this->dataShort, $decrypt ); -// -// } -// -// function testSymmetricBlockEncryptLongFileContent() { -// -// $crypted = Encryption\Crypt::symmetricBlockEncryptFileContent( $this->dataLong, $this->randomKey ); -// -// $this->assertNotEquals( $this->dataLong, $crypted ); -// -// -// $decrypt = Encryption\Crypt::symmetricBlockDecryptFileContent( $crypted, $this->randomKey ); -// -// $this->assertEquals( $this->dataLong, $decrypt ); -// -// } - - function testSymmetricStreamEncryptShortFileContent() { - - $filename = 'tmp-'.time(); - - $cryptedFile = file_put_contents( 'crypt://' . $filename, $this->dataShort ); - - // Test that data was successfully written - $this->assertTrue( is_int( $cryptedFile ) ); - - - // Get file contents without using any wrapper to get it's actual contents on disk - $retreivedCryptedFile = $this->view->file_get_contents( $this->userId . '/files/' . $filename ); - - // Check that the file was encrypted before being written to disk - $this->assertNotEquals( $this->dataShort, $retreivedCryptedFile ); - - // Get private key - $encryptedPrivateKey = Encryption\Keymanager::getPrivateKey( $this->view, $this->userId ); - - $decryptedPrivateKey = Encryption\Crypt::symmetricDecryptFileContent( $encryptedPrivateKey, $this->pass ); - - - // Get keyfile - $encryptedKeyfile = Encryption\Keymanager::getFileKey( $this->view, $this->userId, $filename ); - - $decryptedKeyfile = Encryption\Crypt::keyDecrypt( $encryptedKeyfile, $decryptedPrivateKey ); - - - // Manually decrypt - $manualDecrypt = Encryption\Crypt::symmetricBlockDecryptFileContent( $retreivedCryptedFile, $decryptedKeyfile ); - - // Check that decrypted data matches - $this->assertEquals( $this->dataShort, $manualDecrypt ); - - } - - /** - * @brief Test that data that is written by the crypto stream wrapper - * @note Encrypted data is manually prepared and decrypted here to avoid dependency on success of stream_read - * @note If this test fails with truncate content, check that enough array slices are being rejoined to form $e, as the crypt.php file may have gotten longer and broken the manual - * reassembly of its data - */ - function testSymmetricStreamEncryptLongFileContent() { - - // Generate a a random filename - $filename = 'tmp-'.time(); - - // Save long data as encrypted file using stream wrapper - $cryptedFile = file_put_contents( 'crypt://' . $filename, $this->dataLong.$this->dataLong ); - - // Test that data was successfully written - $this->assertTrue( is_int( $cryptedFile ) ); - - // Get file contents without using any wrapper to get it's actual contents on disk - $retreivedCryptedFile = $this->view->file_get_contents( $this->userId . '/files/' . $filename ); - -// echo "\n\n\$retreivedCryptedFile = $retreivedCryptedFile\n\n"; - - // Check that the file was encrypted before being written to disk - $this->assertNotEquals( $this->dataLong.$this->dataLong, $retreivedCryptedFile ); - - // Manuallly split saved file into separate IVs and encrypted chunks - $r = preg_split('/(00iv00.{16,18})/', $retreivedCryptedFile, NULL, PREG_SPLIT_DELIM_CAPTURE); - - //print_r($r); - - // Join IVs and their respective data chunks - $e = array( $r[0].$r[1], $r[2].$r[3], $r[4].$r[5], $r[6].$r[7], $r[8].$r[9], $r[10].$r[11], $r[12].$r[13] );//.$r[11], $r[12].$r[13], $r[14] ); - - //print_r($e); - - - // Get private key - $encryptedPrivateKey = Encryption\Keymanager::getPrivateKey( $this->view, $this->userId ); - - $decryptedPrivateKey = Encryption\Crypt::symmetricDecryptFileContent( $encryptedPrivateKey, $this->pass ); - - - // Get keyfile - $encryptedKeyfile = Encryption\Keymanager::getFileKey( $this->view, $this->userId, $filename ); - - $decryptedKeyfile = Encryption\Crypt::keyDecrypt( $encryptedKeyfile, $decryptedPrivateKey ); - - - // Set var for reassembling decrypted content - $decrypt = ''; - - // Manually decrypt chunk - foreach ($e as $e) { - -// echo "\n\$e = $e"; - - $chunkDecrypt = Encryption\Crypt::symmetricDecryptFileContent( $e, $decryptedKeyfile ); - - // Assemble decrypted chunks - $decrypt .= $chunkDecrypt; - -// echo "\n\$chunkDecrypt = $chunkDecrypt"; - - } - -// echo "\n\$decrypt = $decrypt"; - - $this->assertEquals( $this->dataLong.$this->dataLong, $decrypt ); - - // Teardown - - $this->view->unlink( $filename ); - - Encryption\Keymanager::deleteFileKey( $filename ); - - } - - /** - * @brief Test that data that is read by the crypto stream wrapper - */ - function testSymmetricStreamDecryptShortFileContent() { - - $filename = 'tmp-'.time(); - - // Save long data as encrypted file using stream wrapper - $cryptedFile = file_put_contents( 'crypt://' . $filename, $this->dataShort ); - - // Test that data was successfully written - $this->assertTrue( is_int( $cryptedFile ) ); - - - // Get file contents without using any wrapper to get it's actual contents on disk - $retreivedCryptedFile = $this->view->file_get_contents( $this->userId . '/files/' . $filename ); - - $decrypt = file_get_contents( 'crypt://' . $filename ); - - $this->assertEquals( $this->dataShort, $decrypt ); - - } - - function testSymmetricStreamDecryptLongFileContent() { - - $filename = 'tmp-'.time(); - - // Save long data as encrypted file using stream wrapper - $cryptedFile = file_put_contents( 'crypt://' . $filename, $this->dataLong ); - - // Test that data was successfully written - $this->assertTrue( is_int( $cryptedFile ) ); - - - // Get file contents without using any wrapper to get it's actual contents on disk - $retreivedCryptedFile = $this->view->file_get_contents( $this->userId . '/files/' . $filename ); - - $decrypt = file_get_contents( 'crypt://' . $filename ); - - $this->assertEquals( $this->dataLong, $decrypt ); - - } - - // Is this test still necessary? -// function testSymmetricBlockStreamDecryptFileContent() { -// -// \OC_User::setUserId( 'admin' ); -// -// // Disable encryption proxy to prevent unwanted en/decryption -// \OC_FileProxy::$enabled = false; -// -// $cryptedFile = file_put_contents( 'crypt://' . '/blockEncrypt', $this->dataUrl ); -// -// // Disable encryption proxy to prevent unwanted en/decryption -// \OC_FileProxy::$enabled = false; -// -// echo "\n\n\$cryptedFile = " . $this->view->file_get_contents( '/blockEncrypt' ); -// -// $retreivedCryptedFile = file_get_contents( 'crypt://' . '/blockEncrypt' ); -// -// $this->assertEquals( $this->dataUrl, $retreivedCryptedFile ); -// -// \OC_FileProxy::$enabled = false; -// -// } - - function testSymmetricEncryptFileContentKeyfile() { - - # TODO: search in keyfile for actual content as IV will ensure this test always passes - - $crypted = Encryption\Crypt::symmetricEncryptFileContentKeyfile( $this->dataUrl ); - - $this->assertNotEquals( $this->dataUrl, $crypted['encrypted'] ); - - - $decrypt = Encryption\Crypt::symmetricDecryptFileContent( $crypted['encrypted'], $crypted['key'] ); - - $this->assertEquals( $this->dataUrl, $decrypt ); - - } - - function testIsEncryptedContent() { - - $this->assertFalse( Encryption\Crypt::isCatfile( $this->dataUrl ) ); - - $this->assertFalse( Encryption\Crypt::isCatfile( $this->legacyEncryptedData ) ); - - $keyfileContent = Encryption\Crypt::symmetricEncryptFileContent( $this->dataUrl, 'hat' ); - - $this->assertTrue( Encryption\Crypt::isCatfile( $keyfileContent ) ); - - } - - function testMultiKeyEncrypt() { - - # TODO: search in keyfile for actual content as IV will ensure this test always passes - - $pair1 = Encryption\Crypt::createKeypair(); - - $this->assertEquals( 2, count( $pair1 ) ); - - $this->assertTrue( strlen( $pair1['publicKey'] ) > 1 ); - - $this->assertTrue( strlen( $pair1['privateKey'] ) > 1 ); - - - $crypted = Encryption\Crypt::multiKeyEncrypt( $this->dataUrl, array( $pair1['publicKey'] ) ); - - $this->assertNotEquals( $this->dataUrl, $crypted['encrypted'] ); - - - $decrypt = Encryption\Crypt::multiKeyDecrypt( $crypted['encrypted'], $crypted['keys'][0], $pair1['privateKey'] ); - - $this->assertEquals( $this->dataUrl, $decrypt ); - - } - - function testKeyEncrypt() { - - // Generate keypair - $pair1 = Encryption\Crypt::createKeypair(); - - // Encrypt data - $crypted = Encryption\Crypt::keyEncrypt( $this->dataUrl, $pair1['publicKey'] ); - - $this->assertNotEquals( $this->dataUrl, $crypted ); - - // Decrypt data - $decrypt = Encryption\Crypt::keyDecrypt( $crypted, $pair1['privateKey'] ); - - $this->assertEquals( $this->dataUrl, $decrypt ); - - } - - // What is the point of this test? It doesn't use keyEncryptKeyfile() - function testKeyEncryptKeyfile() { - - # TODO: Don't repeat encryption from previous tests, use PHPUnit test interdependency instead - - // Generate keypair - $pair1 = Encryption\Crypt::createKeypair(); - - // Encrypt plain data, generate keyfile & encrypted file - $cryptedData = Encryption\Crypt::symmetricEncryptFileContentKeyfile( $this->dataUrl ); - - // Encrypt keyfile - $cryptedKey = Encryption\Crypt::keyEncrypt( $cryptedData['key'], $pair1['publicKey'] ); - - // Decrypt keyfile - $decryptKey = Encryption\Crypt::keyDecrypt( $cryptedKey, $pair1['privateKey'] ); - - // Decrypt encrypted file - $decryptData = Encryption\Crypt::symmetricDecryptFileContent( $cryptedData['encrypted'], $decryptKey ); - - $this->assertEquals( $this->dataUrl, $decryptData ); - - } - - /** - * @brief test functionality of keyEncryptKeyfile() and - * keyDecryptKeyfile() - */ - function testKeyDecryptKeyfile() { - - $encrypted = Encryption\Crypt::keyEncryptKeyfile( $this->dataShort, $this->genPublicKey ); - - $this->assertNotEquals( $encrypted['data'], $this->dataShort ); - - $decrypted = Encryption\Crypt::keyDecryptKeyfile( $encrypted['data'], $encrypted['key'], $this->genPrivateKey ); - - $this->assertEquals( $decrypted, $this->dataShort ); - - } - - - /** - * @brief test encryption using legacy blowfish method - */ - function testLegacyEncryptShort() { - - $crypted = Encryption\Crypt::legacyEncrypt( $this->dataShort, $this->pass ); - - $this->assertNotEquals( $this->dataShort, $crypted ); - - # TODO: search inencrypted text for actual content to ensure it - # genuine transformation - - return $crypted; - - } - - /** - * @brief test decryption using legacy blowfish method - * @depends testLegacyEncryptShort - */ - function testLegacyDecryptShort( $crypted ) { - - $decrypted = Encryption\Crypt::legacyDecrypt( $crypted, $this->pass ); - - $this->assertEquals( $this->dataShort, $decrypted ); - - } - - /** - * @brief test encryption using legacy blowfish method - */ - function testLegacyEncryptLong() { - - $crypted = Encryption\Crypt::legacyEncrypt( $this->dataLong, $this->pass ); - - $this->assertNotEquals( $this->dataLong, $crypted ); - - # TODO: search inencrypted text for actual content to ensure it - # genuine transformation - - return $crypted; - - } - - /** - * @brief test decryption using legacy blowfish method - * @depends testLegacyEncryptLong - */ - function testLegacyDecryptLong( $crypted ) { - - $decrypted = Encryption\Crypt::legacyDecrypt( $crypted, $this->pass ); - - $this->assertEquals( $this->dataLong, $decrypted ); - - } - - /** - * @brief test generation of legacy encryption key - * @depends testLegacyDecryptShort - */ - function testLegacyCreateKey() { - - // Create encrypted key - $encKey = Encryption\Crypt::legacyCreateKey( $this->pass ); - - // Decrypt key - $key = Encryption\Crypt::legacyDecrypt( $encKey, $this->pass ); - - $this->assertTrue( is_numeric( $key ) ); - - // Check that key is correct length - $this->assertEquals( 20, strlen( $key ) ); - - } - - /** - * @brief test decryption using legacy blowfish method - * @depends testLegacyEncryptLong - */ - function testLegacyKeyRecryptKeyfileEncrypt( $crypted ) { - - $recrypted = Encryption\Crypt::LegacyKeyRecryptKeyfile( $crypted, $this->pass, $this->genPublicKey, $this->pass ); - - $this->assertNotEquals( $this->dataLong, $recrypted['data'] ); - - return $recrypted; - - # TODO: search inencrypted text for actual content to ensure it - # genuine transformation - - } - -// function testEncryption(){ -// -// $key=uniqid(); -// $file=OC::$SERVERROOT.'/3rdparty/MDB2.php'; -// $source=file_get_contents($file); //nice large text file -// $encrypted=OC_Encryption\Crypt::encrypt($source,$key); -// $decrypted=OC_Encryption\Crypt::decrypt($encrypted,$key); -// $decrypted=rtrim($decrypted, "\0"); -// $this->assertNotEquals($encrypted,$source); -// $this->assertEquals($decrypted,$source); -// -// $chunk=substr($source,0,8192); -// $encrypted=OC_Encryption\Crypt::encrypt($chunk,$key); -// $this->assertEquals(strlen($chunk),strlen($encrypted)); -// $decrypted=OC_Encryption\Crypt::decrypt($encrypted,$key); -// $decrypted=rtrim($decrypted, "\0"); -// $this->assertEquals($decrypted,$chunk); -// -// $encrypted=OC_Encryption\Crypt::blockEncrypt($source,$key); -// $decrypted=OC_Encryption\Crypt::blockDecrypt($encrypted,$key); -// $this->assertNotEquals($encrypted,$source); -// $this->assertEquals($decrypted,$source); -// -// $tmpFileEncrypted=OCP\Files::tmpFile(); -// OC_Encryption\Crypt::encryptfile($file,$tmpFileEncrypted,$key); -// $encrypted=file_get_contents($tmpFileEncrypted); -// $decrypted=OC_Encryption\Crypt::blockDecrypt($encrypted,$key); -// $this->assertNotEquals($encrypted,$source); -// $this->assertEquals($decrypted,$source); -// -// $tmpFileDecrypted=OCP\Files::tmpFile(); -// OC_Encryption\Crypt::decryptfile($tmpFileEncrypted,$tmpFileDecrypted,$key); -// $decrypted=file_get_contents($tmpFileDecrypted); -// $this->assertEquals($decrypted,$source); -// -// $file=OC::$SERVERROOT.'/core/img/weather-clear.png'; -// $source=file_get_contents($file); //binary file -// $encrypted=OC_Encryption\Crypt::encrypt($source,$key); -// $decrypted=OC_Encryption\Crypt::decrypt($encrypted,$key); -// $decrypted=rtrim($decrypted, "\0"); -// $this->assertEquals($decrypted,$source); -// -// $encrypted=OC_Encryption\Crypt::blockEncrypt($source,$key); -// $decrypted=OC_Encryption\Crypt::blockDecrypt($encrypted,$key); -// $this->assertEquals($decrypted,$source); -// -// } -// -// function testBinary(){ -// $key=uniqid(); -// -// $file=__DIR__.'/binary'; -// $source=file_get_contents($file); //binary file -// $encrypted=OC_Encryption\Crypt::encrypt($source,$key); -// $decrypted=OC_Encryption\Crypt::decrypt($encrypted,$key); -// -// $decrypted=rtrim($decrypted, "\0"); -// $this->assertEquals($decrypted,$source); -// -// $encrypted=OC_Encryption\Crypt::blockEncrypt($source,$key); -// $decrypted=OC_Encryption\Crypt::blockDecrypt($encrypted,$key,strlen($source)); -// $this->assertEquals($decrypted,$source); -// } - -} |