Add Android cookie support

Author: jkmassel

android/Gutenberg/src/main/java/org/wordpress/gutenberg/EditorConfiguration.kt

@@ -61,8 +61,9 @@ open class EditorConfiguration constructor(
     val authHeader: String,
     val webViewGlobals: List<WebViewGlobal>,
     val editorSettings: String?,
-    val locale: String?
-) : Parcelable {
+    val locale: String?,
+    val cookies: Map<String, String>
+): Parcelable {
     companion object {
         @JvmStatic
         fun builder(): Builder = Builder()
@@ -84,6 +85,7 @@ open class EditorConfiguration constructor(
         private var webViewGlobals: List<WebViewGlobal> = emptyList()
         private var editorSettings: String? = null
         private var locale: String? = "en"
+        private var cookies: Map<String, String> = mapOf()
 
         fun setTitle(title: String) = apply { this.title = title }
         fun setContent(content: String) = apply { this.content = content }
@@ -100,6 +102,7 @@ open class EditorConfiguration constructor(
         fun setWebViewGlobals(webViewGlobals: List<WebViewGlobal>) = apply { this.webViewGlobals = webViewGlobals }
         fun setEditorSettings(editorSettings: String?) = apply { this.editorSettings = editorSettings }
         fun setLocale(locale: String?) = apply { this.locale = locale }
+        fun setCookies(cookies: Map<String, String>) = apply { this.cookies = cookies }
 
         fun build(): EditorConfiguration = EditorConfiguration(
             title = title,
@@ -116,7 +119,8 @@ open class EditorConfiguration constructor(
             authHeader = authHeader,
             webViewGlobals = webViewGlobals,
             editorSettings = editorSettings,
-            locale = locale
+            locale = locale,
+            cookies = cookies
         )
     }
 
@@ -141,6 +145,7 @@ open class EditorConfiguration constructor(
         if (webViewGlobals != other.webViewGlobals) return false
         if (editorSettings != other.editorSettings) return false
         if (locale != other.locale) return false
+        if (cookies != other.cookies) return false
 
         return true
     }
@@ -161,6 +166,7 @@ open class EditorConfiguration constructor(
         result = 31 * result + webViewGlobals.hashCode()
         result = 31 * result + (editorSettings?.hashCode() ?: 0)
         result = 31 * result + (locale?.hashCode() ?: 0)
+        result = 31 * result + cookies.hashCode()
         return result
     }
 }

android/Gutenberg/src/main/java/org/wordpress/gutenberg/GutenbergView.kt

@@ -11,12 +11,14 @@ import android.util.AttributeSet
 import android.util.Log
 import android.view.View
 import android.webkit.ConsoleMessage
+import android.webkit.CookieManager
 import android.webkit.JavascriptInterface
 import android.webkit.ValueCallback
 import android.webkit.WebChromeClient
 import android.webkit.WebResourceError
 import android.webkit.WebResourceRequest
 import android.webkit.WebResourceResponse
+import android.webkit.WebStorage
 import android.webkit.WebView
 import android.webkit.WebViewClient
 import androidx.webkit.WebViewAssetLoader
@@ -245,9 +247,24 @@ class GutenbergView : WebView {
         } else {
             ASSET_URL
         }
-        this.loadUrl(editorUrl)
 
-        Log.i("GutenbergView", "Startup Complete")
+        WebStorage.getInstance().deleteAllData()
+        this.clearCache(true)
+        // All cookies are third-party cookies because the root of this document
+        // lives under `https://appassets.androidplatform.net`
+        CookieManager.getInstance().setAcceptThirdPartyCookies(this, true);
+
+        // Erase all local cookies before loading the URL – we don't want to persist
+        // anything between uses – otherwise we might send the wrong cookies
+        CookieManager.getInstance().removeAllCookies {
+            CookieManager.getInstance().flush()
+            for(cookie in configuration.cookies) {
+                CookieManager.getInstance().setCookie(cookie.key, cookie.value)
+            }
+            this.loadUrl(editorUrl)
+
+            Log.i("GutenbergView", "Startup Complete")
+        }
     }
 
     private fun setGlobalJavaScriptVariables() {

android/app/src/main/java/com/example/gutenbergkit/MainActivity.kt

@@ -1,7 +1,6 @@
 package com.example.gutenbergkit
 
 import android.os.Bundle
-import android.util.Log
 import android.webkit.WebView
 import androidx.activity.enableEdgeToEdge
 import androidx.appcompat.app.AppCompatActivity
@@ -39,6 +38,7 @@ class MainActivity : AppCompatActivity() {
             .setNamespaceExcludedPaths(arrayOf())
             .setAuthHeader("")
             .setWebViewGlobals(emptyList())
+            .setCookies(emptyMap())
             .build()
 
         gbView.start(config)