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sahildarisahildari
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mvn wrapper
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‎Path Manipulation/while File Read/java/fileread.pathmanipulation/.mvn/wrapper/maven-wrapper.properties‎

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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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wrapperVersion=3.3.2
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distributionType=only-script
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distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.9/apache-maven-3.9.9-bin.zip

‎Path Manipulation/while File Read/java/fileread.pathmanipulation/pom.xml‎

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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-thymeleaf</artifactId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-test</artifactId>
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<version>5.1.9.RELEASE</version>
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</dependency>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-test</artifactId>
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<version>5.1.9.RELEASE</version>
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</dependency>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-test</artifactId>
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<version>5.1.9.RELEASE</version>
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</dependency>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-test</artifactId>
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<version>5.1.9.RELEASE</version>
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</dependency>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-web</artifactId>
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<version>5.1.9.RELEASE</version>
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</dependency>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-web</artifactId>
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<version>5.1.9.RELEASE</version>
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</dependency>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-test</artifactId>
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<version>5.1.9.RELEASE</version>
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</dependency>
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</dependencies>
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<build>
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<plugins>

‎Path Manipulation/while File Read/java/fileread.pathmanipulation/src/test/java/securecodingexamples/fileread/pathmanipulation/ApplicationTests.java‎

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‎Path Manipulation/while File Read/java/fileread.pathmanipulation/src/test/java/securecodingexamples/fileread/pathmanipulation/FileUploadControllerTest.java‎

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package securecodingexamples.fileread.pathmanipulation;
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import org.junit.jupiter.api.Test;
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import org.springframework.test.web.servlet.MockMvc;
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import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
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import org.springframework.test.web.servlet.setup.MockMvcBuilders;
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import org.springframework.boot.test.context.SpringBootTest;
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import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
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import org.springframework.http.ResponseEntity;
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import org.springframework.mock.web.MockMultipartFile;
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import org.springframework.web.multipart.MultipartFile;
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import org.springframework.beans.factory.annotation.Autowired;
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@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
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@AutoConfigureMockMvc
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class FileUploadControllerTest {
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@Autowired
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private MockMvc mockMvc;
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@Test
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void testFileUploadSuccess() throws Exception {
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MockMultipartFile mockFile = new MockMultipartFile(
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"file", // Field name in request
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"testfile.txt", // Original file name
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"text/plain", // Content type
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"Sample file content".getBytes() // File content
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);
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mockMvc.perform(MockMvcRequestBuilders.multipart("/api/files/upload")
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.file(mockFile)
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.contentType(MediaType.MULTIPART_FORM_DATA))
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.andExpect(status().isOk())
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.andExpect(content().string(containsString("File uploaded successfully")));
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}
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@Test
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void testEmptyFileUpload() throws Exception {
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MockMultipartFile emptyFile = new MockMultipartFile(
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"file", "emptyfile.txt", "text/plain", new byte[0]
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);
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mockMvc.perform(MockMvcRequestBuilders.multipart("/api/files/upload")
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.file(emptyFile)
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.contentType(MediaType.MULTIPART_FORM_DATA))
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.andExpect(status().isBadRequest())
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.andExpect(content().string(containsString("File is empty")));
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}
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@Test
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void testFileUploadServerError() throws Exception {
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MockMultipartFile mockFile = new MockMultipartFile(
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"file", "testfile.txt", "text/plain", "Sample file content".getBytes()
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);
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// Mocking server error by setting an invalid path
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MockMvc mockMvcWithError = MockMvcBuilders.standaloneSetup(new FileUploadController() {
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@Override
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public ResponseEntity<?> handleFileUpload(MultipartFile file) {
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return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR)
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.body("Failed to upload file: Simulated error");
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}
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}).build();
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mockMvcWithError.perform(MockMvcRequestBuilders.multipart("/api/files/upload")
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.file(mockFile)
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.contentType(MediaType.MULTIPART_FORM_DATA))
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.andExpect(status().isInternalServerError())
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.andExpect(content().string(containsString("Failed to upload file")));
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}
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}

‎Path Manipulation/while File Upload/java/fileupload.pathmanipulation/.mvn/wrapper/maven-wrapper.properties‎

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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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wrapperVersion=3.3.2
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distributionType=only-script
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distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.9/apache-maven-3.9.9-bin.zip

‎Path Manipulation/while File Upload/java/fileupload.pathmanipulation/src/test/java/securecodingexamples/fileupload/pathmanipulation/PathmanipulationApplicationTests.java‎

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‎Path Manipulation/while File Upload/java/fileupload.pathmanipulation/src/test/java/securecodingexamples/fileupload/pathmanipulation/UploadControllerTest.java‎

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package securecodingexamples.fileupload.pathmanipulation;
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import org.junit.jupiter.api.*;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
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import org.springframework.boot.test.context.SpringBootTest;
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import org.springframework.http.MediaType;
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import org.springframework.mock.web.MockMultipartFile;
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import org.springframework.test.web.servlet.MockMvc;
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import java.io.File;
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import java.nio.file.Paths;
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import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.multipart;
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import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
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@SpringBootTest
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@AutoConfigureMockMvc
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@TestMethodOrder(MethodOrderer.OrderAnnotation.class)
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class UploadControllerTest {
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@Autowired
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private MockMvc mockMvc;
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private static final String UPLOAD_DIRECTORY = System.getProperty("java.io.tmpdir") + File.separator + "Uploads";
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@BeforeAll
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static void setup() {
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File uploadDir = new File(UPLOAD_DIRECTORY);
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if (!uploadDir.exists()) {
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uploadDir.mkdirs();
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}
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}
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@AfterEach
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void cleanup() {
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File uploadDir = new File(UPLOAD_DIRECTORY);
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if (uploadDir.exists()) {
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for (File file : uploadDir.listFiles()) {
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file.delete();
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}
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}
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}
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// ✅ Test: Successful File Upload
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@Test
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@Order(1)
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void testFileUploadSuccess() throws Exception {
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MockMultipartFile file = new MockMultipartFile(
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"file", "sample.txt", "text/plain", "Sample file content".getBytes()
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);
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mockMvc.perform(multipart("/uploadFile")
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.file(file)
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.contentType(MediaType.MULTIPART_FORM_DATA))
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.andExpect(status().isOk())
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.andExpect(content().string("File Uploaded Successfully"));
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File uploadedFile = new File(Paths.get(UPLOAD_DIRECTORY, "sample.txt").toString());
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Assertions.assertTrue(uploadedFile.exists(), "Uploaded file should exist in the directory.");
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}
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// ✅ Test: Empty File Upload
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@Test
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@Order(2)
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void testEmptyFileUpload() throws Exception {
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MockMultipartFile emptyFile = new MockMultipartFile(
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"file", "emptyfile.txt", "text/plain", new byte[0]
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);
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mockMvc.perform(multipart("/uploadFile")
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.file(emptyFile)
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.contentType(MediaType.MULTIPART_FORM_DATA))
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.andExpect(status().isBadRequest())
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.andExpect(content().string("No selected file"));
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}
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// ✅ Test: Invalid File Extension
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@Test
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@Order(3)
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void testInvalidFileExtension() throws Exception {
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MockMultipartFile file = new MockMultipartFile(
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"file", "malicious.exe", "application/octet-stream", "Malicious content".getBytes()
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);
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mockMvc.perform(multipart("/uploadFile")
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.file(file)
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.contentType(MediaType.MULTIPART_FORM_DATA))
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.andExpect(status().isBadRequest())
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.andExpect(content().string("Invalid Extension"));
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}
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// ✅ Test: Invalid Filename Format
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@Test
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@Order(4)
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void testInvalidFilenameFormat() throws Exception {
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MockMultipartFile file = new MockMultipartFile(
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"file", "../../escape.txt", "text/plain", "Potential path traversal attempt".getBytes()
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);
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mockMvc.perform(multipart("/uploadFile")
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.file(file)
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.contentType(MediaType.MULTIPART_FORM_DATA))
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.andExpect(status().isBadRequest())
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.andExpect(content().string("Invalid Filename"));
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}
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// ✅ Test: Duplicate Filename Handling
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@Test
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@Order(5)
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void testDuplicateFilename() throws Exception {
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// First file
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MockMultipartFile file1 = new MockMultipartFile(
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"file", "duplicate.txt", "text/plain", "Original content".getBytes()
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);
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mockMvc.perform(multipart("/uploadFile").file(file1).contentType(MediaType.MULTIPART_FORM_DATA))
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.andExpect(status().isOk());
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// Second file with the same name
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MockMultipartFile file2 = new MockMultipartFile(
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"file", "duplicate.txt", "text/plain", "Duplicate content".getBytes()
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);
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mockMvc.perform(multipart("/uploadFile").file(file2).contentType(MediaType.MULTIPART_FORM_DATA))
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.andExpect(status().isOk())
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.andExpect(content().string("File Uploaded Successfully"));
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// Ensure unique filename logic worked
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File uploadedFile1 = new File(Paths.get(UPLOAD_DIRECTORY, "duplicate.txt").toString());
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File uploadedFile2 = new File(Paths.get(UPLOAD_DIRECTORY, "duplicate_1.txt").toString());
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Assertions.assertTrue(uploadedFile1.exists(), "First uploaded file should exist");
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Assertions.assertTrue(uploadedFile2.exists(), "Second uploaded file should be renamed and exist");
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}
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// ✅ Test: Simulate IOException During File Save
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@Test
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@Order(6)
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void testIOExceptionDuringUpload() throws Exception {
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MockMultipartFile file = new MockMultipartFile(
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"file", "error.txt", "text/plain", "File causing IOException".getBytes()
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);
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File errorFile = new File(Paths.get(UPLOAD_DIRECTORY, "error.txt").toString());
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errorFile.createNewFile(); // Create a file first to simulate error
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errorFile.setReadOnly(); // Force a write failure
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mockMvc.perform(multipart("/uploadFile").file(file).contentType(MediaType.MULTIPART_FORM_DATA))
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.andExpect(status().isInternalServerError())
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.andExpect(content().string("File upload failed"));
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errorFile.setWritable(true); // Reset permissions after test
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errorFile.delete(); // Clean up
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}
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}

‎Path Manipulation/while File Upload/python/securecodingexamples/__pycache__/__init__.cpython-313.pyc‎

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‎Path Manipulation/while File Upload/python/securecodingexamples/fileupload/__pycache__/__init__.cpython-313.pyc‎

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‎Path Manipulation/while File Upload/python/securecodingexamples/fileupload/pathmanipulation/__pycache__/__init__.cpython-313.pyc‎

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