Search for GOOGLE_APPLICATION_CREDENTIALS

README.md

@@ -16,13 +16,15 @@ lavalink:
 
 # Configuration
 The plugin exposes these configuration options
-<br><b>NOTE:</b> this plugins block is a root level object, don't place it where you import the plugin
+<br><b>NOTE:</b> This plugins block is a root level object, don't place it where you import the plugin
+<br><b>NOTE:</b> The double quotes are required for the private key
+<br><b>NOTE:</b> Having a `GOOGLE_APPLICATION_CREDENTIALS` env var set with the path to your credentials file overrides these settings
 ```yml
 plugins:
   dunctebot:
     tts:
-      clientEmail: '' # The client_email from your service account json
-      privateKey: '' # The private_key from your service account json
+      clientEmail: "" # The client_email from your service account json
+      privateKey: "" # The private_key from your service account json
 ```
 
 # Usage

build.gradle

@@ -7,7 +7,7 @@ plugins {
 }
 
 group "com.dunctebot"
-version "1.0.0"
+version "1.0.1"
 mainClassName = "org.springframework.boot.loader.JarLauncher"
 sourceCompatibility = 11
 compileJava.options.encoding = "UTF-8"

src/main/java/com/dunctebot/tss/TTSPlugin.java

@@ -1,12 +1,16 @@
 package com.dunctebot.tss;
 
 import com.sedmelluq.discord.lavaplayer.player.AudioPlayerManager;
+import com.sedmelluq.discord.lavaplayer.tools.JsonBrowser;
 import dev.arbjerg.lavalink.api.AudioPlayerManagerConfiguration;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Service;
 import org.springframework.util.StringUtils;
 
+import java.io.File;
+import java.nio.file.Files;
+
 @Service
 public class TTSPlugin implements AudioPlayerManagerConfiguration {
     private static final Logger LOG = LoggerFactory.getLogger(TTSPlugin.class);
@@ -15,6 +19,8 @@ public class TTSPlugin implements AudioPlayerManagerConfiguration {
     public TTSPlugin(LavalinkTTSConfig config) throws Exception {
         LOG.info("Loading GCLOUD TTS plugin");
 
+        this.checkEnvVar(config);
+
         if (StringUtils.isEmpty(config.getClientEmail())) {
             LOG.error("Client email is not set in the config, aborting. Config key is 'plugins.dunctebot.tts.clientEmail'");
             return;
@@ -36,4 +42,23 @@ public AudioPlayerManager configure(AudioPlayerManager manager) {
 
         return manager;
     }
+
+    private void checkEnvVar(LavalinkTTSConfig config) {
+        final String googleCreds = System.getenv("GOOGLE_APPLICATION_CREDENTIALS");
+
+        if (googleCreds == null) {
+            return;
+        }
+
+        try {
+            final String json = Files.readString(new File(googleCreds).toPath());
+            final JsonBrowser browser = JsonBrowser.parse(json);
+
+            config.setClientEmail(browser.get("client_email").text());
+            config.setPrivateKey(browser.get("private_key").text());
+        } catch (Exception e) {
+            // Fail silently?
+            LOG.error("Found google application credentials but could not parse json", e);
+        }
+    }
 }

src/main/resources/lavalink-plugins/tts.properties

@@ -1,3 +1,3 @@
 name=Google Cloud TTS
 path=com.dunctebot.tss
-version=1.0.0
+version=1.0.1