Merge remote-tracking branch 'origin/upstream-master' into masterHEADstudio-3.4.0studio-3.2.1studio-3.1.2studio-3.0studio-2.3gradle_3.4.0gradle_3.1.2gradle_3.0.0gradle_2.3.0studio-master-devmirror-goog-studio-master-devmastermain

Change-Id: I63f5e16d09297c48432192761b840310935eb903

1 files changed, 38 insertions, 0 deletions

diff --git a/libs/utils/WordPressUtils/src/main/java/org/wordpress/android/util/UserEmailUtils.java b/libs/utils/WordPressUtils/src/main/java/org/wordpress/android/util/UserEmailUtils.java
new file mode 100644
index 000000000..385960558
--- /dev/null
+++ b/libs/utils/WordPressUtils/src/main/java/org/wordpress/android/util/UserEmailUtils.java
@@ -0,0 +1,38 @@
+package org.wordpress.android.util;
+
+import android.accounts.Account;
+import android.accounts.AccountManager;
+import android.content.Context;
+import android.util.Patterns;
+
+import org.wordpress.android.util.AppLog.T;
+
+import java.util.regex.Pattern;
+
+public class UserEmailUtils {
+    /**
+     * Get primary account and return its name if it matches the email address pattern.
+     *
+     * @return primary account email address if it can be found or empty string else.
+     */
+    public static String getPrimaryEmail(Context context) {
+        try {
+            AccountManager accountManager = AccountManager.get(context);
+            if (accountManager == null)
+                return "";
+            Account[] accounts = accountManager.getAccounts();
+            Pattern emailPattern = Patterns.EMAIL_ADDRESS;
+            for (Account account : accounts) {
+                // make sure account.name is an email address before adding to the list
+                if (emailPattern.matcher(account.name).matches()) {
+                    return account.name;
+                }
+            }
+            return "";
+        } catch (SecurityException e) {
+            // exception will occur if app doesn't have GET_ACCOUNTS permission
+            AppLog.e(T.UTILS, "SecurityException - missing GET_ACCOUNTS permission");
+            return "";
+        }
+    }
+}