Adding firebase storage client

Author: cramsan

build.gradle.kts

@@ -81,6 +81,7 @@ val jar by tasks.getting(Jar::class) {
             it.path.startsWith("${projectDir.path}${File.separator}build${File.separator}jar")
         }.map { zipTree(it) }
     })
+    duplicatesStrategy = DuplicatesStrategy.EXCLUDE
 }
 
 val sourceSets = project.the<SourceSetContainer>()
@@ -143,20 +144,82 @@ publishing {
     }
 }
 
+/**
+ * List of aar files to include in the jar. Some jars are being omitted because they are not needed for the JVM.
+ * - lifecycle-*: exclude lifecycle libs due to https://github.com/GitLiveApp/firebase-java-sdk/pull/15 - remove the exclude  once the dependencies in the aars are updated to the required version
+ * - savedstate: Excluded due to this library already being included as part of the compose mutliplatform dependencies. It does not seem to be directly needed by the firebase libraries.
+ */
+val includeList = listOf(
+    "activity-*.jar",
+    "asynclayoutinflater-*.jar",
+    "coordinatorlayout-*.jar",
+    "core-*.jar",
+    "core-runtime-*.jar",
+    "cursoradapter-*.jar",
+    "customview-*.jar",
+    "documentfile-*.jar",
+    "drawerlayout-*.jar",
+    "firebase-abt-*.jar",
+    "firebase-appcheck-*.jar",
+    "firebase-appcheck-interop-*.jar",
+    "firebase-auth-interop-*.jar",
+    "firebase-common-*.jar",
+    "firebase-common-*.jar",
+    "firebase-common-ktx-*.jar",
+    "firebase-common-ktx-*.jar",
+    "firebase-components-*.jar",
+    "firebase-components-*.jar",
+    "firebase-config-*.jar",
+    "firebase-config-interop-*.jar",
+    "firebase-database-*.jar",
+    "firebase-database-collection-*.jar",
+    "firebase-encoders-json-*.jar",
+    "firebase-firestore-*.jar",
+    "firebase-functions-*.jar",
+    "firebase-iid-*.jar",
+    "firebase-iid-interop-*.jar",
+    "firebase-installations-*.jar",
+    "firebase-installations-interop-*.jar",
+    "firebase-measurement-connector-*.jar",
+    "firebase-storage-*.jar",
+    "fragment-*.jar",
+    "fragment-*.jar",
+    "grpc-android-*.jar",
+    "interpolator-*.jar",
+    "legacy-support-core-ui-*.jar",
+    "legacy-support-core-utils-*.jar",
+    "loader-*.jar",
+    "localbroadcastmanager-*.jar",
+    "play-services-base-*.jar",
+    "play-services-basement-*.jar",
+    "play-services-basement-*.jar",
+    "play-services-cloud-messaging-*.jar",
+    "play-services-stats-*.jar",
+    "play-services-tasks-*.jar",
+    "play-services-tasks-*.jar",
+    "print-*.jar",
+    "protolite-well-known-types-*.jar",
+    "slidingpanelayout-*.jar",
+    "swiperefreshlayout-*.jar",
+    "versionedparcelable-*.jar",
+    "viewpager-*.jar",
+)
+
 dependencies {
     compileOnly("org.robolectric:android-all:12.1-robolectric-8229987")
     testImplementation("junit:junit:4.13.2")
     testImplementation("org.jetbrains.kotlinx:kotlinx-coroutines-swing:1.7.3")
     testImplementation("org.jetbrains.kotlinx:kotlinx-coroutines-play-services:1.7.3")
+    testImplementation("org.mockito:mockito-core:5.12.0")
     // firebase aars
     aar("com.google.firebase:firebase-firestore:24.10.0")
     aar("com.google.firebase:firebase-functions:20.4.0")
     aar("com.google.firebase:firebase-database:20.3.0")
     aar("com.google.firebase:firebase-config:21.6.0")
     aar("com.google.firebase:firebase-installations:17.2.0")
+    aar("com.google.firebase:firebase-storage:21.0.0")
     // extracted aar dependencies
-    // exclude lifecycle libs due to https://github.com/GitLiveApp/firebase-java-sdk/pull/15 - remove the exclude  once the dependencies in the aars are updated to the required version
-    api(fileTree(mapOf("dir" to "build/jar", "include" to listOf("*.jar"), "exclude" to listOf("lifecycle-*"))))
+    api(fileTree(mapOf("dir" to "build/jar", "include" to includeList)))
     // polyfill dependencies
     implementation("org.jetbrains.kotlin:kotlin-stdlib")
     implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.7.3")

src/main/java/android/content/pm/PackageManager.java

@@ -39,6 +39,7 @@ public ServiceInfo getServiceInfo(ComponentName component, int flags) throws Nam
                 data.put("com.google.firebase.components:com.google.firebase.functions.FunctionsRegistrar", "com.google.firebase.components.ComponentRegistrar");
                 data.put("com.google.firebase.components:com.google.firebase.installations.FirebaseInstallationsRegistrar", "com.google.firebase.components.ComponentRegistrar");
                 data.put("com.google.firebase.components:com.google.firebase.iid.Registrar", "com.google.firebase.components.ComponentRegistrar");
+                data.put("com.google.firebase.components:com.google.firebase.storage.StorageRegistrar", "com.google.firebase.components.ComponentRegistrar");
                 return new ServiceInfo(data);
         }
         throw new IllegalArgumentException(component.cls);

src/main/java/android/net/ConnectivityManager.kt

@@ -21,6 +21,10 @@ class ConnectivityManager private constructor() {
         connected.removeEventListener(networkCallback)
     }
 
+    fun getActiveNetworkInfo(): NetworkInfo {
+        return NetworkInfo()
+    }
+
     open class NetworkCallback : ValueEventListener {
         override fun onDataChange(data: DataSnapshot) {
             when (data.getValue(Boolean::class.java)) {

src/main/java/android/net/NetworkInfo.kt

@@ -0,0 +1,9 @@
+package android.net
+
+class NetworkInfo {
+    var type: Int = 1 // ConnectivityManager.TYPE_WIFI
+    val isConnectedOrConnecting: Boolean = true
+    val isConnected: Boolean = true
+    val isSuspended: Boolean = false
+    val isAvailable: Boolean = true
+}

src/main/java/android/net/Uri.kt

@@ -1,18 +1,45 @@
 package android.net
 
 import java.net.URI
+import java.net.URLDecoder
+import java.net.URLEncoder
+import java.nio.charset.StandardCharsets
+import java.nio.file.Paths
 import java.util.Collections
 
 class Uri(private val uri: URI) {
 
     companion object {
         @JvmStatic
         fun parse(uriString: String) = Uri(URI.create(uriString))
+
+        @JvmStatic
+        fun encode(s: String?): String? = encode(s, null)
+
+        @JvmStatic
+        fun encode(s: String?, allow: String?): String? {
+            return URLEncoder.encode(s, StandardCharsets.UTF_8)
+        }
+
+        @JvmStatic
+        fun decode(s: String?): String? {
+            return URLDecoder.decode(s, StandardCharsets.UTF_8)
+        }
     }
 
-    val scheme get() = uri.scheme
-    val port get() = uri.port
-    val host get() = uri.host
+    fun getScheme(): String = uri.scheme
+
+    fun getPort(): Int = uri.port
+
+    fun getHost(): String = uri.host
+
+    fun getPath(): String = uri.path
+
+    fun getAuthority(): String = uri.authority
+
+    fun getQuery() = uri.query
+
+    fun getFragment() = uri.fragment
 
     fun getQueryParameterNames(): Set<String> {
         val query: String = uri.query ?: return emptySet()
@@ -65,4 +92,133 @@ class Uri(private val uri: URI) {
         } while (true)
         return null
     }
+
+    fun buildUpon(): Builder {
+        return Builder()
+            .scheme(this.getScheme())
+            .authority(this.getAuthority())
+            .path(this.getPath())
+            .query(this.getQuery())
+            .fragment(this.getFragment())
+    }
+
+    override fun toString(): String {
+        return uri.toString()
+    }
+
+    class Builder {
+        private var scheme: String? = null
+        private var opaquePart: String? = null
+        private var authority: String? = null
+        private var path: String? = null
+        private var query: String? = null
+        private var fragment: String? = null
+
+        fun scheme(scheme: String?): Builder {
+            this.scheme = scheme
+            return this
+        }
+
+        fun opaquePart(opaquePart: String?): Builder {
+            this.opaquePart = opaquePart
+            return this
+        }
+
+        fun encodedOpaquePart(opaquePart: String?): Builder {
+            return opaquePart(URLDecoder.decode(opaquePart, StandardCharsets.UTF_8.toString()))
+        }
+
+        fun authority(authority: String?): Builder {
+            this.opaquePart = null
+            this.authority = authority
+            return this
+        }
+
+        fun encodedAuthority(authority: String?): Builder {
+            return authority(URLDecoder.decode(authority, StandardCharsets.UTF_8.toString()))
+        }
+
+        fun path(path: String?): Builder {
+            this.opaquePart = null
+            this.path = path
+            return this
+        }
+
+        fun encodedPath(path: String?): Builder {
+            return this.path(URLDecoder.decode(path, StandardCharsets.UTF_8.toString()))
+        }
+
+        fun appendPath(newSegment: String?): Builder {
+           val createdPath = Paths.get(this.path.orEmpty(), newSegment).toString()
+            return this.path(createdPath)
+        }
+
+        fun appendEncodedPath(newSegment: String?): Builder {
+            val newDecodedSegment = URLDecoder.decode(newSegment, StandardCharsets.UTF_8.toString())
+            return appendPath(newDecodedSegment)
+        }
+
+        fun query(query: String?): Builder {
+            this.opaquePart = null
+            this.query = query
+            return this
+        }
+
+        fun encodedQuery(query: String?): Builder {
+            return this.query(URLDecoder.decode(query, StandardCharsets.UTF_8.toString()))
+        }
+
+        fun fragment(fragment: String?): Builder {
+            this.fragment = fragment
+            return this
+        }
+
+        fun encodedFragment(fragment: String?): Builder {
+            return this.query(URLDecoder.decode(fragment, StandardCharsets.UTF_8.toString()))
+        }
+
+        fun appendQueryParameter(key: String?, value: String?): Builder {
+            this.opaquePart = null
+            val encodedParameter = encode(key) + "=" + encode(value)
+            if (this.query == null) {
+                this.query = decode(encodedParameter)
+                return this
+            } else {
+                val oldQuery: String = encode(query)!!
+                if (oldQuery.isNotEmpty()) {
+                    this.query = decode("$oldQuery&$encodedParameter")
+                } else {
+                    this.query = decode(encodedParameter)
+                }
+
+                return this
+            }
+        }
+
+        fun clearQuery(): Builder {
+            return this.query(null)
+        }
+
+        fun build(): Uri {
+            return if (this.opaquePart != null) {
+                if (this.scheme == null) {
+                    throw UnsupportedOperationException("An opaque URI must have a scheme.")
+                } else {
+                    Uri(URI(this.scheme, this.opaquePart, this.fragment))
+                }
+            } else {
+                Uri(URI(this.scheme, this.authority, path, this.query, this.fragment))
+            }
+        }
+
+        override fun toString(): String {
+            return this.build().toString()
+        }
+    }
+
 }
+
+/** Index of a component which was not found.  */
+private const val NOT_FOUND = -1
+
+private val HEX_DIGITS = "0123456789ABCDEF".toCharArray()

src/test/kotlin/FirestoreStorageTest.kt

@@ -0,0 +1,67 @@
+import android.app.Application
+import android.content.Context
+import android.net.ConnectivityManager
+import android.net.Uri
+import com.google.firebase.Firebase
+import com.google.firebase.FirebaseApp
+import com.google.firebase.FirebaseOptions
+import com.google.firebase.FirebasePlatform
+import com.google.firebase.initialize
+import com.google.firebase.storage.internal.Slashes
+import com.google.firebase.storage.storage
+import fakes.FakeFirebasePlatform
+import org.junit.Assert
+import org.junit.Before
+import org.junit.Test
+
+class FirestoreStorageTest : FirebaseTest() {
+
+    private lateinit var app: FirebaseApp
+
+    @Before
+    fun initialize() {
+        FirebasePlatform.initializeFirebasePlatform(FakeFirebasePlatform())
+        val options = FirebaseOptions
+            .Builder()
+            .setProjectId("my-firebase-project")
+            .setApplicationId("1:27992087142:android:ce3b6448250083d1")
+            .setApiKey("AIzaSyADUe90ULnQDuGShD9W23RDP0xmeDc6Mvw")
+            .setStorageBucket("fir-kotlin-sdk.appspot.com")
+            // setDatabaseURL(...)
+            .build()
+        app = Firebase.initialize(Application(), options)
+    }
+
+    @Test
+    fun test_parsing_storage_uri() {
+        val input = "gs://edifikana-stage.appspot.com"
+
+        val normalized = Slashes.normalizeSlashes(input.substring(5))
+        val fullUri = Slashes.preserveSlashEncode(normalized)
+        val parsedUri = Uri.parse("gs://$fullUri");
+
+        Assert.assertEquals("gs://edifikana-stage.appspot.com", parsedUri.toString())
+    }
+
+    @Test
+    fun test_loading_default_storage_client() {
+        Firebase.storage
+    }
+
+    @Test
+    fun test_getting_root_reference() {
+        val storage = Firebase.storage
+        val reference = storage.reference
+        Assert.assertNotNull(reference)
+    }
+
+    @Test
+    fun test_getting_child_reference() {
+        val storage = Firebase.storage
+        val reference = storage.reference
+        val downloadRef = reference.child("mountains.jpg")
+        val downloadUrl = downloadRef.downloadUrl
+
+        Assert.assertNotNull(downloadUrl)
+    }
+}

src/test/kotlin/FirestoreTest.kt

@@ -4,6 +4,7 @@ import com.google.firebase.FirebaseOptions
 import com.google.firebase.FirebasePlatform
 import com.google.firebase.firestore.firestore
 import com.google.firebase.initialize
+import fakes.FakeFirebasePlatform
 import kotlinx.coroutines.runBlocking
 import kotlinx.coroutines.tasks.await
 import org.junit.Assert.assertEquals
@@ -14,14 +15,7 @@ import java.io.File
 class FirestoreTest : FirebaseTest() {
     @Before
     fun initialize() {
-        FirebasePlatform.initializeFirebasePlatform(object : FirebasePlatform() {
-            val storage = mutableMapOf<String, String>()
-            override fun store(key: String, value: String) = storage.set(key, value)
-            override fun retrieve(key: String) = storage[key]
-            override fun clear(key: String) { storage.remove(key) }
-            override fun log(msg: String) = println(msg)
-            override fun getDatabasePath(name: String) = File("./build/$name")
-        })
+        FirebasePlatform.initializeFirebasePlatform(FakeFirebasePlatform())
         val options = FirebaseOptions.Builder()
             .setProjectId("my-firebase-project")
             .setApplicationId("1:27992087142:android:ce3b6448250083d1")