Firebase Auth, Firestore, Realtime DB, and Storage support

Author: syntaxerror247

.gitattributes

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+# Auto detect text files and perform LF normalization
+* text=auto

.gitignore

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+# Gradle files
+.gradle/
+build/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Log/OS Files
+*.log
+
+# Android Studio generated files and folders
+captures/
+.externalNativeBuild/
+.cxx/
+*.apk
+output.json
+
+# IntelliJ
+*.iml
+.idea/
+misc.xml
+deploymentTargetDropDown.xml
+render.experimental.xml
+
+# Keystore files
+*.jks
+*.keystore
+
+# Google Services (e.g. APIs or Firebase)
+google-services.json
+
+# Android Profiling
+*.hprof

LICENSE

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+MIT License
+
+Copyright (c) 2025 Anish Mishra (syntaxerror247)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

build.gradle.kts

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+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+plugins {
+    id("com.android.library") version "8.2.2" apply false
+    id("org.jetbrains.kotlin.android") version "2.1.20" apply false
+    id("com.google.gms.google-services") version "4.4.2" apply false
+}

demo/.gitattributes

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+# Normalize EOL for all files that Git considers text files.
+* text=auto eol=lf

demo/.gitignore

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+# Godot 4+ specific ignores
+.godot/
+*.import
+/android/

demo/addons/.gitignore

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+*
+!.gitignore

firebase/.gitignore

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+/build

firebase/build.gradle.kts

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+import com.android.build.gradle.internal.tasks.factory.dependsOn
+
+plugins {
+    id("com.android.library")
+    id("org.jetbrains.kotlin.android")
+}
+
+val pluginName = "GodotFirebaseAndroid"
+
+val pluginPackageName = "org.godotengine.plugin.firebase"
+
+android {
+    namespace = pluginPackageName
+    compileSdk = 34
+
+    buildFeatures {
+        buildConfig = true
+    }
+
+    defaultConfig {
+        minSdk = 21
+
+        manifestPlaceholders["godotPluginName"] = pluginName
+        manifestPlaceholders["godotPluginPackageName"] = pluginPackageName
+        buildConfigField("String", "GODOT_PLUGIN_NAME", "\"${pluginName}\"")
+        setProperty("archivesBaseName", pluginName)
+    }
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
+    kotlinOptions {
+        jvmTarget = "17"
+    }
+}
+
+dependencies {
+    implementation("org.godotengine:godot:4.4.1.stable")
+    implementation("com.google.firebase:firebase-auth:23.2.0")
+    implementation("com.google.android.gms:play-services-auth:21.3.0")
+    implementation("com.google.firebase:firebase-firestore:25.1.4")
+    implementation("com.google.firebase:firebase-database:21.0.0")
+    implementation("com.google.firebase:firebase-storage:21.0.1")
+}
+
+// BUILD TASKS DEFINITION
+val copyDebugAARToDemoAddons by tasks.registering(Copy::class) {
+    description = "Copies the generated debug AAR binary to the plugin's addons directory"
+    from("build/outputs/aar")
+    include("$pluginName-debug.aar")
+    into("../demo/addons/$pluginName/bin/debug")
+}
+
+val copyReleaseAARToDemoAddons by tasks.registering(Copy::class) {
+    description = "Copies the generated release AAR binary to the plugin's addons directory"
+    from("build/outputs/aar")
+    include("$pluginName-release.aar")
+    into("../demo/addons/$pluginName/bin/release")
+}
+
+val cleanDemoAddons by tasks.registering(Delete::class) {
+    delete("../demo/addons/$pluginName")
+}
+
+val copyAddonsToDemo by tasks.registering(Copy::class) {
+    description = "Copies the export scripts templates to the plugin's addons directory"
+
+    dependsOn(cleanDemoAddons)
+    finalizedBy(copyDebugAARToDemoAddons)
+    finalizedBy(copyReleaseAARToDemoAddons)
+
+    from("export_scripts_template")
+    into("../demo/addons/$pluginName")
+}
+
+tasks.named("assemble").configure {
+    finalizedBy(copyAddonsToDemo)
+}
+
+tasks.named<Delete>("clean").apply {
+    dependsOn(cleanDemoAddons)
+}

firebase/export_scripts_template/Firebase.gd

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+extends Node
+
+var auth = preload("res://addons/GodotFirebaseAndroid/modules/Auth.gd").new()
+var firestore = preload("res://addons/GodotFirebaseAndroid/modules/Firestore.gd").new()
+var realtimeDB = preload("res://addons/GodotFirebaseAndroid/modules/RealtimeDB.gd").new()
+var storage = preload("res://addons/GodotFirebaseAndroid/modules/Storage.gd").new()
+
+func _ready() -> void:
+	if Engine.has_singleton("GodotFirebaseAndroid"):
+		var _plugin_singleton = Engine.get_singleton("GodotFirebaseAndroid")
+	
+		auth._plugin_singleton = _plugin_singleton
+		auth._connect_signals()
+		
+		firestore._plugin_singleton = _plugin_singleton
+		firestore._connect_signals()
+		
+		realtimeDB._plugin_singleton = _plugin_singleton
+		realtimeDB._connect_signals()
+		
+		storage._plugin_singleton = _plugin_singleton
+		storage._connect_signals()
+	else:
+		if not OS.has_feature("editor"):
+			printerr("GodotFirebaseAndroid singleton not found!")
+		return
+