Add Example
This commit is contained in:
parent
49ec70ab68
commit
1fe351e209
71
Example/pom.xml
Normal file
71
Example/pom.xml
Normal file
@ -0,0 +1,71 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||
xmlns="http://maven.apache.org/POM/4.0.0"
|
||||
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
|
||||
<groupId>me.braydon</groupId>
|
||||
<artifactId>Example</artifactId>
|
||||
<version>1.0.0</version>
|
||||
|
||||
<properties>
|
||||
<java.version>17</java.version>
|
||||
<maven.compiler.source>${java.version}</maven.compiler.source>
|
||||
<maven.compiler.target>${java.version}</maven.compiler.target>
|
||||
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
|
||||
</properties>
|
||||
|
||||
<build>
|
||||
<plugins>
|
||||
<plugin>
|
||||
<groupId>org.apache.maven.plugins</groupId>
|
||||
<artifactId>maven-compiler-plugin</artifactId>
|
||||
<version>3.8.1</version>
|
||||
<configuration>
|
||||
<source>${java.version}</source>
|
||||
<target>${java.version}</target>
|
||||
</configuration>
|
||||
</plugin>
|
||||
|
||||
<plugin>
|
||||
<groupId>org.apache.maven.plugins</groupId>
|
||||
<artifactId>maven-shade-plugin</artifactId>
|
||||
<version>3.1.0</version>
|
||||
<executions>
|
||||
<execution>
|
||||
<phase>package</phase>
|
||||
<goals>
|
||||
<goal>shade</goal>
|
||||
</goals>
|
||||
</execution>
|
||||
</executions>
|
||||
</plugin>
|
||||
</plugins>
|
||||
</build>
|
||||
|
||||
<dependencies>
|
||||
<!-- Lombok -->
|
||||
<dependency>
|
||||
<groupId>org.projectlombok</groupId>
|
||||
<artifactId>lombok</artifactId>
|
||||
<version>1.18.28</version>
|
||||
<scope>provided</scope>
|
||||
</dependency>
|
||||
|
||||
<!-- Gson -->
|
||||
<dependency>
|
||||
<groupId>com.google.code.gson</groupId>
|
||||
<artifactId>gson</artifactId>
|
||||
<version>2.10.1</version>
|
||||
<scope>compile</scope>
|
||||
</dependency>
|
||||
|
||||
<!-- Oshi -->
|
||||
<dependency>
|
||||
<groupId>com.github.oshi</groupId>
|
||||
<artifactId>oshi-core</artifactId>
|
||||
<version>6.4.2</version>
|
||||
<scope>compile</scope>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
</project>
|
||||
225
Example/src/main/java/me/braydon/example/LicenseExample.java
Normal file
225
Example/src/main/java/me/braydon/example/LicenseExample.java
Normal file
@ -0,0 +1,225 @@
|
||||
package me.braydon.example;
|
||||
|
||||
import com.google.gson.Gson;
|
||||
import com.google.gson.GsonBuilder;
|
||||
import com.google.gson.JsonElement;
|
||||
import com.google.gson.JsonObject;
|
||||
import lombok.AllArgsConstructor;
|
||||
import lombok.Getter;
|
||||
import lombok.NonNull;
|
||||
import lombok.ToString;
|
||||
import oshi.SystemInfo;
|
||||
import oshi.hardware.CentralProcessor;
|
||||
import oshi.hardware.ComputerSystem;
|
||||
import oshi.hardware.HardwareAbstractionLayer;
|
||||
import oshi.software.os.OperatingSystem;
|
||||
|
||||
import java.io.*;
|
||||
import java.net.HttpURLConnection;
|
||||
import java.net.URL;
|
||||
import java.nio.charset.StandardCharsets;
|
||||
import java.util.HashMap;
|
||||
import java.util.Map;
|
||||
|
||||
/**
|
||||
* An example of how to interact
|
||||
* with the license server. This
|
||||
* can be conveniently used in
|
||||
* any project by simply copying
|
||||
* the class into your project.
|
||||
*
|
||||
* @author Braydon
|
||||
* @see <a href="https://git.rainnny.club/Rainnny/LicenseServer">License Server</a>
|
||||
* TODO: Convert to okhttp?
|
||||
*/
|
||||
public final class LicenseExample {
|
||||
/**
|
||||
* The endpoint to check licenses at.
|
||||
*/
|
||||
private static final String CHECK_ENDPOINT = "http://localhost:7500/check";
|
||||
|
||||
/**
|
||||
* The {@link Gson} instance to use.
|
||||
*/
|
||||
private static final Gson GSON = new GsonBuilder()
|
||||
.serializeNulls()
|
||||
.create();
|
||||
|
||||
@NonNull
|
||||
public static LicenseResponse check(@NonNull String key, @NonNull String product) {
|
||||
String hardwareId = getHardwareId(); // Get the machine's hardware id
|
||||
|
||||
// Build the body
|
||||
Map<String, Object> body = new HashMap<>();
|
||||
body.put("key", key);
|
||||
body.put("product", product);
|
||||
body.put("hwid", hardwareId);
|
||||
String bodyJson = GSON.toJson(body); // The json body
|
||||
|
||||
HttpURLConnection connection = null;
|
||||
int responseCode = -1; // The response code
|
||||
try {
|
||||
// Try and send the request to the server
|
||||
connection = (HttpURLConnection) new URL(CHECK_ENDPOINT).openConnection();
|
||||
connection.setRequestMethod("POST"); // Sending a POST request
|
||||
connection.setRequestProperty("Content-Type", "application/json"); // We want JSON as the response
|
||||
connection.setDoOutput(true); // We want to send a body
|
||||
|
||||
// Write the body to the connection
|
||||
try (OutputStream outputStream = connection.getOutputStream()) {
|
||||
byte[] input = bodyJson.getBytes(StandardCharsets.UTF_8);
|
||||
outputStream.write(input, 0, input.length);
|
||||
}
|
||||
responseCode = connection.getResponseCode(); // Get the response code
|
||||
|
||||
// If the response code is OK, we can read the response
|
||||
if (responseCode == HttpURLConnection.HTTP_OK) {
|
||||
try (InputStream inputStream = connection.getInputStream();
|
||||
InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
|
||||
BufferedReader reader = new BufferedReader(inputStreamReader)
|
||||
) {
|
||||
// Read the response
|
||||
StringBuilder response = new StringBuilder();
|
||||
String line;
|
||||
while ((line = reader.readLine()) != null) {
|
||||
response.append(line);
|
||||
}
|
||||
// Parse the response as JSON
|
||||
JsonObject json = GSON.fromJson(response.toString(), JsonObject.class);
|
||||
JsonElement description = json.get("description");
|
||||
JsonElement ownerSnowflake = json.get("ownerSnowflake");
|
||||
JsonElement ownerName = json.get("ownerName");
|
||||
JsonElement duration = json.get("duration");
|
||||
return new LicenseResponse(200, null,
|
||||
description.isJsonNull() ? null : description.getAsString(),
|
||||
ownerSnowflake.isJsonNull() ? -1 : ownerSnowflake.getAsLong(),
|
||||
ownerName.isJsonNull() ? null : ownerName.getAsString(),
|
||||
duration.isJsonNull() ? -1 : duration.getAsLong()
|
||||
);
|
||||
}
|
||||
} else { // Otherwise, the request failed
|
||||
// Check if the response has an error message in JSON format
|
||||
try (InputStream errorStream = connection.getErrorStream()) {
|
||||
if (errorStream != null) { // Read the error response
|
||||
try (InputStreamReader errorStreamReader = new InputStreamReader(errorStream);
|
||||
BufferedReader errorReader = new BufferedReader(errorStreamReader)
|
||||
) {
|
||||
|
||||
StringBuilder errorResponse = new StringBuilder();
|
||||
String errorLine;
|
||||
while ((errorLine = errorReader.readLine()) != null) {
|
||||
errorResponse.append(errorLine);
|
||||
}
|
||||
// Parse the error response as JSON
|
||||
JsonObject jsonError = GSON.fromJson(errorResponse.toString(), JsonObject.class);
|
||||
JsonElement errorMessage = jsonError.get("error");
|
||||
if (!errorMessage.isJsonNull()) { // If the error message isn't null, we can return it
|
||||
return new LicenseResponse(responseCode, errorMessage.getAsString());
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
} catch (IOException ex) {
|
||||
ex.printStackTrace();
|
||||
} finally {
|
||||
// Close the connection if it's open
|
||||
if (connection != null) {
|
||||
connection.disconnect();
|
||||
}
|
||||
}
|
||||
// Didn't find an error message, return an unknown error
|
||||
return new LicenseResponse(responseCode, "An unknown error occurred");
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the unique hardware
|
||||
* identifier of this machine.
|
||||
*
|
||||
* @return the hardware id
|
||||
*/
|
||||
@NonNull
|
||||
private static String getHardwareId() {
|
||||
SystemInfo systemInfo = new SystemInfo();
|
||||
OperatingSystem operatingSystem = systemInfo.getOperatingSystem();
|
||||
HardwareAbstractionLayer hardwareAbstractionLayer = systemInfo.getHardware();
|
||||
CentralProcessor centralProcessor = hardwareAbstractionLayer.getProcessor();
|
||||
ComputerSystem computerSystem = hardwareAbstractionLayer.getComputerSystem();
|
||||
|
||||
// Retrieve necessary hardware information
|
||||
String vendor = operatingSystem.getManufacturer();
|
||||
String processorSerialNumber = computerSystem.getSerialNumber();
|
||||
String uuid = computerSystem.getHardwareUUID();
|
||||
String processorIdentifier = centralProcessor.getProcessorIdentifier().getIdentifier();
|
||||
int processors = centralProcessor.getLogicalProcessorCount();
|
||||
|
||||
// Generate a unique hardware id using the retrieved information
|
||||
return String.format("%08x", vendor.hashCode()) + "-"
|
||||
+ String.format("%08x", processorSerialNumber.hashCode()) + "-"
|
||||
+ String.format("%08x", uuid.hashCode()) + "-"
|
||||
+ String.format("%08x", processorIdentifier.hashCode()) + "-" + processors;
|
||||
}
|
||||
|
||||
@AllArgsConstructor
|
||||
@Getter
|
||||
@ToString
|
||||
public static class LicenseResponse {
|
||||
/**
|
||||
* The status code of the response.
|
||||
*/
|
||||
private final long status;
|
||||
|
||||
/**
|
||||
* The error in the response, null if none.
|
||||
*/
|
||||
private String error;
|
||||
|
||||
/**
|
||||
* The description of the license, present if valid.
|
||||
*/
|
||||
private String description;
|
||||
|
||||
/**
|
||||
* The Discord snowflake of the license owner, present
|
||||
* if valid and there is an owner.
|
||||
*/
|
||||
private long ownerSnowflake;
|
||||
|
||||
/**
|
||||
* The Discord name of the license owner, present
|
||||
* if valid and there is an owner.
|
||||
*/
|
||||
private String ownerName;
|
||||
|
||||
/**
|
||||
* The duration of the license, present if valid.
|
||||
* <p>
|
||||
* If -1, the license will be permanent.
|
||||
* </p>
|
||||
*/
|
||||
private long duration;
|
||||
|
||||
public LicenseResponse(long status, @NonNull String error) {
|
||||
this.status = status;
|
||||
this.error = error;
|
||||
}
|
||||
|
||||
/**
|
||||
* Check if the license is valid.
|
||||
*
|
||||
* @return true if valid, otherwise false
|
||||
*/
|
||||
public boolean isValid() {
|
||||
return status == 200;
|
||||
}
|
||||
|
||||
/**
|
||||
* Check if the license is permanent.
|
||||
*
|
||||
* @return true if permanent, otherwise false
|
||||
*/
|
||||
public boolean isPermanent() {
|
||||
return duration == -1;
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user