feat: Handle emailsha256 and other before sending attributes to Rokt Kit (#51)

Author: Mansi-mParticle

src/main/kotlin/com/mparticle/kits/RoktKit.kt

@@ -7,6 +7,7 @@ import android.content.pm.PackageManager
 import android.graphics.Typeface
 import android.os.Build
 import com.mparticle.BuildConfig
+import com.mparticle.MParticle
 import com.mparticle.MParticle.IdentityType
 import com.mparticle.MpRoktEventCallback
 import com.mparticle.UnloadReasons
@@ -188,7 +189,7 @@ class RoktKit : KitIntegration(), CommerceListener, IdentityListener, RoktListen
         }?.toMap()
 
         this.mpRoktEventCallback = mpRoktEventCallback
-        val finalAttributes: HashMap<String, String> = HashMap<String, String>()
+        val finalAttributes = mutableMapOf<String, String>()
         filterUser?.userAttributes?.let { userAttrs ->
             for ((key, value) in userAttrs) {
                 finalAttributes[key] = value.toString()
@@ -206,6 +207,7 @@ class RoktKit : KitIntegration(), CommerceListener, IdentityListener, RoktListen
         attributes?.get(SANDBOX_MODE_ROKT)?.let { value ->
             finalAttributes.put(SANDBOX_MODE_ROKT, value)
         }
+        verifyHashedEmail(finalAttributes)
         val roktConfig = mpRoktConfig?.let { mapToRoktConfig(it) }
         Rokt.execute(
             viewName,
@@ -318,9 +320,31 @@ class RoktKit : KitIntegration(), CommerceListener, IdentityListener, RoktListen
         }
     }
 
+    private fun verifyHashedEmail(attributes: MutableMap<String, String>?) {
+        if (attributes == null) return
+
+        val emailKey = MParticle.IdentityType.Email.name.lowercase()
+        val emailShaKey = "emailsha256"
+
+        val emailShaValue = attributes.entries.find { it.key.equals(emailShaKey, ignoreCase = true) }?.value
+
+        when {
+            !emailShaValue.isNullOrEmpty() -> {
+                // If emailsha256 is already present, remove entries with email
+                val iterator = attributes.entries.iterator()
+                while (iterator.hasNext()) {
+                    val entry = iterator.next()
+                    if (entry.key.equals(emailKey, ignoreCase = true)) {
+                        iterator.remove()
+                    }
+                }
+            }
+        }
+    }
+
     private fun getStringForIdentity(identityType: IdentityType): String {
         return when (identityType) {
-            IdentityType.Other -> "other"
+            IdentityType.Other -> "emailsha256"
             IdentityType.CustomerId -> "customerid"
             IdentityType.Facebook -> "facebook"
             IdentityType.Twitter -> "twitter"

src/test/kotlin/com/mparticle/kits/RoktKitTests.kt

@@ -25,6 +25,7 @@ import kotlinx.coroutines.flow.toList
 import kotlinx.coroutines.test.runTest
 import org.json.JSONArray
 import org.junit.Assert.assertEquals
+import org.junit.Assert.assertFalse
 import org.junit.Assert.assertTrue
 import org.junit.Before
 import org.junit.Test
@@ -238,6 +239,34 @@ class RoktKitTests {
         assertTrue(result.containsKey("key3"))
     }
 
+    @Test
+    fun test_addIdentityAttributes_When_userIdentities_Contain_other() {
+        val mockFilterUser = mock(FilteredMParticleUser::class.java)
+        val userIdentities = HashMap<IdentityType, String>()
+        userIdentities.put(IdentityType.Email, "TestEmail@gamil.com")
+        userIdentities.put(IdentityType.Other, "hashedEmail@123.com")
+        Mockito.`when`(mockFilterUser.userIdentities).thenReturn(userIdentities)
+        val attributes: Map<String, String> = mapOf(
+            "key1" to "value1",
+            "key2" to "value2",
+            "key3" to "value3"
+        )
+        val method: Method = RoktKit::class.java.getDeclaredMethod(
+            "addIdentityAttributes",
+            Map::class.java,
+            FilteredMParticleUser::class.java
+        )
+        method.isAccessible = true
+        val result = method.invoke(roktKit, attributes, mockFilterUser) as Map<String, String>
+        assertEquals(5, result.size)
+
+        assertTrue(result.containsKey("key1"))
+        assertTrue(result.containsKey("key2"))
+        assertTrue(result.containsKey("key3"))
+        assertTrue(result.containsKey("email"))
+        assertTrue(result.containsKey("emailsha256"))
+    }
+
     @Test
     fun testSetSdkWrapper_correctlySetsRoktFramework() {
         mockkObject(Rokt)
@@ -530,6 +559,44 @@ class RoktKitTests {
         unmockkObject(Rokt)
     }
 
+    @Test
+    fun TestverifyHashedEmail_removes_when_emailsha256_is_present() {
+        val attributes = mutableMapOf(
+            "email" to "user@example.com",
+            "emailsha256" to "hashed_email_value",
+            "other" to "Test"
+        )
+        val method: Method = RoktKit::class.java.getDeclaredMethod(
+            "verifyHashedEmail",
+            MutableMap::class.java
+        )
+        method.isAccessible = true
+        method.invoke(roktKit, attributes)
+
+
+        assertFalse(attributes.containsKey("email"))
+        assertEquals("hashed_email_value", attributes["emailsha256"])
+        assertEquals("Test", attributes["other"])
+    }
+
+
+    @Test
+    fun TestverifyHashedEmail_removes_when_neither_emailsha256_nor_other_is_present() {
+        val attributes = mutableMapOf(
+            "email" to "user@example.com"
+        )
+
+        val method: Method = RoktKit::class.java.getDeclaredMethod(
+            "verifyHashedEmail",
+            MutableMap::class.java
+        )
+        method.isAccessible = true
+        method.invoke(roktKit, attributes)
+
+        assertEquals("user@example.com", attributes["email"])
+        assertFalse(attributes.containsKey("emailsha256"))
+    }
+
     internal inner class TestCoreCallbacks : CoreCallbacks {
         override fun isBackgrounded(): Boolean = false
         override fun getUserBucket(): Int = 0