MOBILE-1859: Add additional information into the user-agent header (#93)

Author: GytisBarakauskas

accounts/src/main/java/eu/kevin/accounts/accountlinking/AccountLinkingView.kt

@@ -20,6 +20,7 @@ import eu.kevin.common.extensions.applySystemInsetsPadding
 import eu.kevin.common.extensions.dp
 import eu.kevin.common.extensions.getColorFromAttr
 import eu.kevin.common.extensions.hideKeyboard
+import eu.kevin.common.helpers.WebFrameHeadersHelper
 import eu.kevin.common.managers.KeyboardManager
 
 internal class AccountLinkingView(context: Context) :
@@ -69,8 +70,13 @@ internal class AccountLinkingView(context: Context) :
         with(requireBinding().accountLinkWebView) {
             setBackgroundColor(context.getColorFromAttr(android.R.attr.colorBackground))
             applySystemInsetsMargin(bottom = true)
-            settings.javaScriptEnabled = true
-            settings.domStorageEnabled = true
+            with(settings) {
+                javaScriptEnabled = true
+                domStorageEnabled = true
+                userAgentString = WebFrameHeadersHelper.appendTelemetryInfoToUserAgent(
+                    originalUserAgent = userAgentString
+                )
+            }
             webViewClient = object : WebViewClientCompat() {
                 override fun shouldOverrideUrlLoading(
                     view: WebView,

common/src/main/java/eu/kevin/common/helpers/WebFrameHeadersHelper.kt

@@ -0,0 +1,17 @@
+package eu.kevin.common.helpers
+
+import eu.kevin.common.BuildConfig
+
+object WebFrameHeadersHelper {
+
+    private const val KEVIN_SDK_VERSION_KEY = "KevinAndroidSdk"
+
+    fun appendTelemetryInfoToUserAgent(originalUserAgent: String): String {
+        return originalUserAgent
+            .addUserAgentDataField(key = KEVIN_SDK_VERSION_KEY, value = BuildConfig.KEVIN_SDK_VERSION)
+    }
+
+    private fun String.addUserAgentDataField(key: String, value: String): String {
+        return this.plus(" $key/$value")
+    }
+}

common/src/main/java/eu/kevin/common/helpers/WebFrameHelper.kt

@@ -9,13 +9,11 @@ import eu.kevin.common.extensions.getColorFromAttr
 import eu.kevin.common.extensions.getCurrentLocale
 import eu.kevin.common.extensions.toHexColor
 import eu.kevin.core.plugin.Kevin
-import kotlinx.serialization.ExperimentalSerializationApi
 import kotlinx.serialization.encodeToString
 import kotlinx.serialization.json.Json
 
 object WebFrameHelper {
 
-    @OptIn(ExperimentalSerializationApi::class)
     fun getStyleAndLanguageQueryParameters(context: Context): String {
         return ""
             .appendQueryParameter("lang", getActiveLocaleCode(context))

in-app-payments/src/main/java/eu/kevin/inapppayments/cardpayment/CardPaymentView.kt

@@ -25,6 +25,7 @@ import eu.kevin.common.extensions.removeWhiteSpaces
 import eu.kevin.common.extensions.setDebounceClickListener
 import eu.kevin.common.extensions.setOnDoneActionListener
 import eu.kevin.common.extensions.setOnNextActionListener
+import eu.kevin.common.helpers.WebFrameHeadersHelper
 import eu.kevin.common.managers.KeyboardManager
 import eu.kevin.inapppayments.KevinPaymentsPlugin
 import eu.kevin.inapppayments.R
@@ -138,8 +139,13 @@ internal class CardPaymentView(context: Context) :
     private fun configureWebView() {
         with(requireBinding().webView) {
             applySystemInsetsMargin(bottom = true)
-            settings.javaScriptEnabled = true
-            settings.domStorageEnabled = true
+            with(settings) {
+                javaScriptEnabled = true
+                domStorageEnabled = true
+                userAgentString = WebFrameHeadersHelper.appendTelemetryInfoToUserAgent(
+                    originalUserAgent = userAgentString
+                )
+            }
             addJavascriptInterface(
                 object {
                     @JavascriptInterface

in-app-payments/src/main/java/eu/kevin/inapppayments/paymentconfirmation/PaymentConfirmationView.kt

@@ -15,6 +15,7 @@ import eu.kevin.common.extensions.applySystemInsetsPadding
 import eu.kevin.common.extensions.dp
 import eu.kevin.common.extensions.getColorFromAttr
 import eu.kevin.common.extensions.hideKeyboard
+import eu.kevin.common.helpers.WebFrameHeadersHelper
 import eu.kevin.common.managers.KeyboardManager
 import eu.kevin.inapppayments.KevinPaymentsPlugin
 import eu.kevin.inapppayments.databinding.KevinFragmentPaymentConfirmationBinding
@@ -67,8 +68,13 @@ internal class PaymentConfirmationView(context: Context) :
         with(requireBinding().confirmationWebView) {
             setBackgroundColor(context.getColorFromAttr(android.R.attr.colorBackground))
             applySystemInsetsMargin(bottom = true)
-            settings.javaScriptEnabled = true
-            settings.domStorageEnabled = true
+            with(settings) {
+                javaScriptEnabled = true
+                domStorageEnabled = true
+                userAgentString = WebFrameHeadersHelper.appendTelemetryInfoToUserAgent(
+                    originalUserAgent = userAgentString
+                )
+            }
             webViewClient = object : WebViewClientCompat() {
                 override fun shouldOverrideUrlLoading(
                     view: WebView,