feat: add webhook chat app #1715
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Summary of ChangesHello @PierrickVoulet, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed! This pull request introduces a new solution that demonstrates how to integrate with Google Chat using incoming webhooks. It provides a basic Java application, configured with Maven, that illustrates sending both simple and threaded messages to a Google Chat space, accompanied by a README for initial guidance. Highlights
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Code Review
This pull request introduces a new webhook chat application example. While the feature is useful, the current implementation has several critical issues that need to be addressed. There is a security vulnerability in an outdated dependency, hardcoded credentials in the source code, and a compilation error due to a class naming mismatch. Additionally, there are opportunities to improve code quality by using more specific exception handling.
| <dependency> | ||
| <groupId>com.google.code.gson</groupId> | ||
| <artifactId>gson</artifactId> | ||
| <version>2.9.1</version> |
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The gson dependency version 2.9.1 is outdated and has a known Denial of Service (DoS) vulnerability (CVE-2022-25647). It's crucial to use updated dependencies to avoid security risks. Please update to version 2.10.1 or later, which contains the fix.
<version>2.10.1</version>
| import java.net.URI; | ||
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| public class App { | ||
| private static final String URL = "https://chat.googleapis.com/v1/spaces/SPACE_ID/messages?key=KEY&token=TOKEN"; |
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Hardcoding URLs with sensitive information like API keys and tokens is a major security risk. These credentials can be easily exposed if the source code is compromised or made public. It's highly recommended to externalize this configuration. For this example, you could pass the full URL as a command-line argument and read it in the main method, or use environment variables.
| import java.util.Map; | ||
| import java.net.URI; | ||
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| public class App { |
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The public class name App must match the filename AppThread.java. This will cause a compilation error. Please rename the class to AppThread.
| public class App { | |
| public class AppThread { |
| import java.net.URI; | ||
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| public class App { | ||
| private static final String URL = "https://chat.googleapis.com/v1/spaces/SPACE_ID/messages?key=KEY&token=TOKEN&messageReplyOption=REPLY_MESSAGE_FALLBACK_TO_NEW_THREAD"; |
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Hardcoding URLs with sensitive information like API keys and tokens is a major security risk. These credentials can be easily exposed if the source code is compromised or made public. It's highly recommended to externalize this configuration. For this example, you could pass the full URL as a command-line argument and read it in the main method, or use environment variables.
| private static final Gson gson = new Gson(); | ||
| private static final HttpClient client = HttpClient.newHttpClient(); | ||
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| public static void main(String[] args) throws Exception { |
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The main method declares throws Exception, which is too generic. This practice can hide bugs and make debugging difficult. It's better to declare the specific checked exceptions that can be thrown by client.send(), which are java.io.IOException and java.lang.InterruptedException.
| public static void main(String[] args) throws Exception { | |
| public static void main(String[] args) throws java.io.IOException, java.lang.InterruptedException { |
| private static final Gson gson = new Gson(); | ||
| private static final HttpClient client = HttpClient.newHttpClient(); | ||
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| public static void main(String[] args) throws Exception { |
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The main method declares throws Exception, which is too generic. This practice can hide bugs and make debugging difficult. It's better to declare the specific checked exceptions that can be thrown by client.send(), which are java.io.IOException and java.lang.InterruptedException.
| public static void main(String[] args) throws Exception { | |
| public static void main(String[] args) throws java.io.IOException, java.lang.InterruptedException { |
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