Initial Commit
This commit is contained in:
Emma Nora Theuer
parent
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commit
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3 changed files with 225 additions and 0 deletions
65
pom.xml
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65
pom.xml
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.enatheuer</groupId>
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<artifactId>Passgen</artifactId>
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<packaging>jar</packaging>
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<version>1.0-SNAPSHOT</version>
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<name>Passgen</name>
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<url>http://maven.apache.org</url>
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<dependencies>
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<dependency>
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<groupId>info.picocli</groupId>
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<artifactId>picocli</artifactId>
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<version>4.7.4</version>
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</dependency>
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</dependencies>
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<build>
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<sourceDirectory>src/main/java</sourceDirectory>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-jar-plugin</artifactId>
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<version>3.2.0</version>
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<configuration>
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<archive>
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<manifest>
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<addClasspath>true</addClasspath>
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<classpathPrefix>lib/</classpathPrefix>
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<mainClass>Main</mainClass>
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</manifest>
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</archive>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-shade-plugin</artifactId>
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<version>3.4.1</version>
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<executions>
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<execution>
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<phase>package</phase>
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<goals>
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<goal>shade</goal>
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</goals>
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<configuration>
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<filters>
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<filter>
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<artifact>*:*</artifact>
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<excludes>
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<exclude>META-INF/*.SF</exclude>
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<exclude>META-INF/*.DSA</exclude>
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<exclude>META-INF/*.RSA</exclude>
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</excludes>
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</filter>
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</filters>
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</configuration>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</project>
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95
src/main/java/Main.java
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95
src/main/java/Main.java
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import java.security.SecureRandom;
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import java.io.IOException;
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import java.nio.file.Paths;
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import java.nio.file.Files;
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import java.util.List;
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import picocli.CommandLine;
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import picocli.CommandLine.Option;
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public class Main implements Runnable {
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private static SecureRandom random;
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@Option(names = {"-x", "--xkcd"}, description = "Will generate an xkcd-style password (See xkcd 936)")
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private boolean xkcd = false;
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@Option(names = {"-s", "--simple"}, description = "Will generate a password of specified length without special characters")
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private boolean simple = false;
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@Option(names = {"-l", "--length"}, description = "Will generate a regular password with the provided amount of characters (or words for XKCD passwords). Defaults to 32.")
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private int length = 32;
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@Option(names = {"-h", "--help"}, usageHelp = true, description = "Displays this help message and exits.")
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private boolean help;
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private static String generate_simple_password(int count) {
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String simpleCharacters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
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String password = "";
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int randomIndex;
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char randomChar;
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for (int i = 0; i < count; i++) {
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randomIndex = random.nextInt(simpleCharacters.length());
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randomChar = simpleCharacters.charAt(randomIndex);
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password = password + randomChar;
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}
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return password;
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}
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private static String generate_regular_password(int count) {
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String characters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890!@#$%^&*";
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String password = "";
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int randomIndex;
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char randomChar;
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for (int i = 0; i < count; i++) {
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randomIndex = random.nextInt(characters.length());
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randomChar = characters.charAt(randomIndex);
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password = password + randomChar;
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}
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return password;
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}
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private static String generate_xkcd_password(int count) {
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String password = "";
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try {
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List<String> dictionary = Files.readAllLines(Paths.get("/usr/share/dict/words"));
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int randomIndex;
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String randomWord;
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for (int i = 0; i < count; i++) {
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randomIndex = random.nextInt(dictionary.size());
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randomWord = dictionary.get(randomIndex);
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password = password + randomWord;
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password = password + " ";
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}
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} catch (IOException e) {
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e.printStackTrace();
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System.out.println("An error occured while reading /usr/share/dict/words - Is the file present?");
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System.exit(2);
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}
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return password;
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}
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public static void main(String[] args) {
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random = new SecureRandom();
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int exitCode = new CommandLine(new Main()).execute(args);
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System.exit(exitCode);
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}
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@Override
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public void run() {
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if (xkcd && simple) {
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System.out.println("Error: Only use one of xkcd (-x), simple (-s) or regular (-r) at once.");
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System.exit(2);
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}
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if (xkcd) {
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System.out.println(generate_xkcd_password(length));
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System.exit(0);
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}
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else if (simple) {
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System.out.println(generate_simple_password(length));
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System.exit(0);
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}
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else {
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System.out.println(generate_regular_password(length));
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System.exit(0);
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}
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}
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}
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65
src/pom.xml
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65
src/pom.xml
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@ -0,0 +1,65 @@
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.enatheuer</groupId>
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<artifactId>Passgen</artifactId>
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<packaging>jar</packaging>
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<version>1.0-SNAPSHOT</version>
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<name>Passgen</name>
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<url>http://maven.apache.org</url>
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<dependencies>
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<dependency>
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<groupId>info.picocli</groupId>
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<artifactId>picocli</artifactId>
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<version>4.7.4</version>
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</dependency>
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</dependencies>
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<build>
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<sourceDirectory>src/main/java</sourceDirectory>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-jar-plugin</artifactId>
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<version>3.2.0</version>
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<configuration>
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<archive>
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<manifest>
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<addClasspath>true</addClasspath>
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<classpathPrefix>lib/</classpathPrefix>
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<mainClass>Main</mainClass>
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</manifest>
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</archive>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-shade-plugin</artifactId>
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<version>3.4.1</version>
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<executions>
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<execution>
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<phase>package</phase>
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<goals>
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<goal>shade</goal>
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</goals>
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<configuration>
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<filters>
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<filter>
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<artifact>*:*</artifact>
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<excludes>
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<exclude>META-INF/*.SF</exclude>
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<exclude>META-INF/*.DSA</exclude>
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<exclude>META-INF/*.RSA</exclude>
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</excludes>
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</filter>
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</filters>
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</configuration>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</project>
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