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changed code indent by space instead of tab

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This commit is contained in:
Bhabani Prasad Patel 2021-05-27 11:42:38 +05:30
parent 061023b683
commit 81b2fbf150
6 changed files with 103 additions and 103 deletions
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64
core-java-modules/core-java-security-3/src/main/java/com/baeldung/secretkeyandstringconversion/ConversionClassUtil.java
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@ -13,41 +13,41 @@ import javax.crypto.spec.SecretKeySpec;
public class ConversionClassUtil { public class ConversionClassUtil {
/* Generating Secret key */ /* Generating Secret key */
// Generating Secret Key using KeyGenerator class with 256 // Generating Secret Key using KeyGenerator class with 256
public static SecretKey generateKey(int n) throws NoSuchAlgorithmException { public static SecretKey generateKey(int n) throws NoSuchAlgorithmException {
KeyGenerator keyGenerator = KeyGenerator.getInstance("AES"); KeyGenerator keyGenerator = KeyGenerator.getInstance("AES");
keyGenerator.init(n); keyGenerator.init(n);
SecretKey originalKey = keyGenerator.generateKey(); SecretKey originalKey = keyGenerator.generateKey();
return originalKey; return originalKey;
} }
// Generating Secret Key using password and salt // Generating Secret Key using password and salt
public static SecretKey getKeyFromPassword(String password, String salt) public static SecretKey getKeyFromPassword(String password, String salt)
throws NoSuchAlgorithmException, InvalidKeySpecException { throws NoSuchAlgorithmException, InvalidKeySpecException {
SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA256"); SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA256");
KeySpec spec = new PBEKeySpec(password.toCharArray(), salt.getBytes(), 65536, 256); KeySpec spec = new PBEKeySpec(password.toCharArray(), salt.getBytes(), 65536, 256);
SecretKey originalKey = new SecretKeySpec(factory.generateSecret(spec).getEncoded(), "AES"); SecretKey originalKey = new SecretKeySpec(factory.generateSecret(spec).getEncoded(), "AES");
return originalKey; return originalKey;
} }
/* Converting Secret key into String */ /* Converting Secret key into String */
public static String convertSecretKeyToString(SecretKey secretKey) throws NoSuchAlgorithmException { public static String convertSecretKeyToString(SecretKey secretKey) throws NoSuchAlgorithmException {
// Converting the Secret Key into byte array // Converting the Secret Key into byte array
byte[] rawData = secretKey.getEncoded(); byte[] rawData = secretKey.getEncoded();
// Getting String - Base64 encoded version of the Secret Key // Getting String - Base64 encoded version of the Secret Key
String encodedKey = Base64.getEncoder().encodeToString(rawData); String encodedKey = Base64.getEncoder().encodeToString(rawData);
return encodedKey; return encodedKey;
} }
/* Converting String into Secret key into */ /* Converting String into Secret key into */
public static SecretKey convertStringToSecretKeyto(String encodedKey) { public static SecretKey convertStringToSecretKeyto(String encodedKey) {
// Decoding the Base64 encoded string into byte array // Decoding the Base64 encoded string into byte array
byte[] decodedKey = Base64.getDecoder().decode(encodedKey); byte[] decodedKey = Base64.getDecoder().decode(encodedKey);
// Rebuilding the Secret Key using SecretKeySpec Class // Rebuilding the Secret Key using SecretKeySpec Class
SecretKey originalKey = new SecretKeySpec(decodedKey, 0, decodedKey.length, "AES"); SecretKey originalKey = new SecretKeySpec(decodedKey, 0, decodedKey.length, "AES");
return originalKey; return originalKey;
} }
} }

50
core-java-modules/core-java-security-3/src/test/java/com/baeldung/secretkeyandstringconversion/ConversionClassUtilUnitTest.java
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@ -10,35 +10,35 @@ import org.junit.jupiter.api.Test;
public class ConversionClassUtilUnitTest { public class ConversionClassUtilUnitTest {
@Test @Test
void givenPasswordAndSalt_whenCreateSecreKeyCheckConversion_thenSuccess() void givenPasswordAndSalt_whenCreateSecreKeyCheckConversion_thenSuccess()
throws NoSuchAlgorithmException, InvalidKeySpecException { throws NoSuchAlgorithmException, InvalidKeySpecException {
// given // given
String password = "Baeldung@2021"; String password = "Baeldung@2021";
String salt = "@$#baelDunG@#^$*"; String salt = "@$#baelDunG@#^$*";
// when // when
SecretKey encodedKey = ConversionClassUtil.getKeyFromPassword(password, salt); SecretKey encodedKey = ConversionClassUtil.getKeyFromPassword(password, salt);
String encodedString = ConversionClassUtil.convertSecretKeyToString(encodedKey); String encodedString = ConversionClassUtil.convertSecretKeyToString(encodedKey);
SecretKey decodeKey = ConversionClassUtil.convertStringToSecretKeyto(encodedString); SecretKey decodeKey = ConversionClassUtil.convertStringToSecretKeyto(encodedString);
// then // then
Assertions.assertEquals(encodedKey, decodeKey); Assertions.assertEquals(encodedKey, decodeKey);
} }
@Test @Test
void givenSize_whenCreateSecreKeyCheckConversion_thenSuccess() void givenSize_whenCreateSecreKeyCheckConversion_thenSuccess()
throws NoSuchAlgorithmException, InvalidKeySpecException { throws NoSuchAlgorithmException, InvalidKeySpecException {
// given // given
int size = 256; int size = 256;
// when // when
SecretKey encodedKey = ConversionClassUtil.generateKey(size); SecretKey encodedKey = ConversionClassUtil.generateKey(size);
String encodedString = ConversionClassUtil.convertSecretKeyToString(encodedKey); String encodedString = ConversionClassUtil.convertSecretKeyToString(encodedKey);
SecretKey decodeKey = ConversionClassUtil.convertStringToSecretKeyto(encodedString); SecretKey decodeKey = ConversionClassUtil.convertStringToSecretKeyto(encodedString);
// then // then
Assertions.assertEquals(encodedKey, decodeKey); Assertions.assertEquals(encodedKey, decodeKey);
} }
} }

6
spring-boot-modules/spring-boot-runtime/src/main/java/com/baeldung/sampleapp/config/MaxHTTPHeaderSizeConfig.java
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@ -8,8 +8,8 @@ import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
@ComponentScan({ "com.baeldung.sampleapp.web" }) @ComponentScan({ "com.baeldung.sampleapp.web" })
public class MaxHTTPHeaderSizeConfig implements WebMvcConfigurer { public class MaxHTTPHeaderSizeConfig implements WebMvcConfigurer {
public MaxHTTPHeaderSizeConfig() { public MaxHTTPHeaderSizeConfig() {
super(); super();
} }
} }

8
spring-boot-modules/spring-boot-runtime/src/main/java/com/baeldung/sampleapp/web/controller/MaxHttpHeaderSizeController.java
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@ -9,9 +9,9 @@ import org.springframework.web.bind.annotation.RestController;
@RequestMapping(value = "/request-header-test") @RequestMapping(value = "/request-header-test")
public class MaxHttpHeaderSizeController { public class MaxHttpHeaderSizeController {
@GetMapping @GetMapping
public boolean testMaxHTTPHeaderSize(@RequestHeader(value = "token") String token) { public boolean testMaxHTTPHeaderSize(@RequestHeader(value = "token") String token) {
return true; return true;
} }
} }

34
spring-boot-modules/spring-boot-runtime/src/test/java/com/baeldung/web/controller/MaxHttpHeaderSizeControllerIntegrationTest.java
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@ -23,26 +23,26 @@ import com.baeldung.sampleapp.config.WebConfig;
@WebAppConfiguration @WebAppConfiguration
public class MaxHttpHeaderSizeControllerIntegrationTest { public class MaxHttpHeaderSizeControllerIntegrationTest {
private MockMvc mockMvc; private MockMvc mockMvc;
@Autowired @Autowired
private WebApplicationContext webApplicationContext; private WebApplicationContext webApplicationContext;
@Before @Before
public void setUp() { public void setUp() {
mockMvc = MockMvcBuilders.webAppContextSetup(webApplicationContext).build(); mockMvc = MockMvcBuilders.webAppContextSetup(webApplicationContext).build();
} }
@Test @Test
public void givenTokenWithLessThan8KBLegth_whenSendGetRequest_thenReturnsOK() throws Exception { public void givenTokenWithLessThan8KBLegth_whenSendGetRequest_thenReturnsOK() throws Exception {
mockMvc.perform(get("/request-header-test").contentType(MediaType.APPLICATION_JSON_VALUE) mockMvc.perform(get("/request-header-test").contentType(MediaType.APPLICATION_JSON_VALUE)
.with(httpBasic("user", "password")).header("token", "token")).andExpect(status().isOk()); .with(httpBasic("user", "password")).header("token", "token")).andExpect(status().isOk());
} }
@Test @Test
public void givenTokenIsMissingInHeade_whenSendGetRequest_thenThrowsBadRequest() throws Exception { public void givenTokenIsMissingInHeade_whenSendGetRequest_thenThrowsBadRequest() throws Exception {
mockMvc.perform(get("/request-header-test").contentType(MediaType.APPLICATION_JSON_VALUE) mockMvc.perform(get("/request-header-test").contentType(MediaType.APPLICATION_JSON_VALUE)
.with(httpBasic("user", "password"))).andExpect(status().isBadRequest()); .with(httpBasic("user", "password"))).andExpect(status().isBadRequest());
} }
} }

44
spring-boot-modules/spring-boot-runtime/src/test/java/com/baeldung/web/controller/MaxHttpHeaderSizeControllerLiveTest.java
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@ -25,29 +25,29 @@ import com.baeldung.sampleapp.config.MaxHTTPHeaderSizeConfig;
// Start MaxHttpHeaderSizeController Spring Boot App(MainApplication) first // Start MaxHttpHeaderSizeController Spring Boot App(MainApplication) first
public class MaxHttpHeaderSizeControllerLiveTest { public class MaxHttpHeaderSizeControllerLiveTest {
@Test(expected = HttpClientErrorException.class) @Test(expected = HttpClientErrorException.class)
public void givenTokenWithGreaterThan8KBLegth_whenSendGetRequest_thenThrowsBadRequest() throws Exception { public void givenTokenWithGreaterThan8KBLegth_whenSendGetRequest_thenThrowsBadRequest() throws Exception {
final String url = "http://localhost:8080/request-header-test"; final String url = "http://localhost:8080/request-header-test";
HttpHeaders headers = new HttpHeaders(); HttpHeaders headers = new HttpHeaders();
headers.set("token", readRandomStringFromFile()); headers.set("token", readRandomStringFromFile());
HttpEntity entity = new HttpEntity(headers); HttpEntity entity = new HttpEntity(headers);
final ResponseEntity<String> response = new RestTemplate().exchange(url, HttpMethod.GET, entity, String.class); final ResponseEntity<String> response = new RestTemplate().exchange(url, HttpMethod.GET, entity, String.class);
} }
static String readRandomStringFromFile() throws IOException { static String readRandomStringFromFile() throws IOException {
BufferedReader reader = new BufferedReader(new FileReader("src/test/resources/randomSringForheader.txt")); BufferedReader reader = new BufferedReader(new FileReader("src/test/resources/randomSringForheader.txt"));
StringBuilder stringBuilder = new StringBuilder(); StringBuilder stringBuilder = new StringBuilder();
String line = null; String line = null;
String ls = System.getProperty("line.separator"); String ls = System.getProperty("line.separator");
while ((line = reader.readLine()) != null) { while ((line = reader.readLine()) != null) {
stringBuilder.append(line); stringBuilder.append(line);
stringBuilder.append(ls); stringBuilder.append(ls);
} }
stringBuilder.deleteCharAt(stringBuilder.length() - 1); stringBuilder.deleteCharAt(stringBuilder.length() - 1);
reader.close(); reader.close();
String content = stringBuilder.toString(); String content = stringBuilder.toString();
return content; return content;
} }
} }