Debug info: auth type

app/src/main/java/eu/faircode/email/Log.java

@@ -2427,8 +2427,9 @@ public class Log {
                         }
 
                         size += write(os, account.name + (account.primary ? "*" : "") +
-                                " " + (account.protocol == EntityAccount.TYPE_IMAP ? "IMAP" : "POP") + "/" + account.auth_type +
-                                (account.provider == null ? "" : " [" + account.provider + "]") +
+                                " " + (account.protocol == EntityAccount.TYPE_IMAP ? "IMAP" : "POP") +
+                                " [" + (account.provider == null ? "" : account.provider) +
+                                ":" + ServiceAuthenticator.getAuthTypeName(account.auth_type) + "]" +
                                 " " + account.host + ":" + account.port + "/" + account.encryption +
                                 " sync=" + account.synchronize +
                                 " exempted=" + account.poll_exempted +
@@ -2487,7 +2488,8 @@ public class Log {
                                 size += write(os, account.name + "/" + identity.name + (identity.primary ? "*" : "") + " " +
                                         identity.display + " " + identity.email +
                                         (identity.self ? "" : " !self") +
-                                        (identity.provider == null ? "" : " [" + identity.provider + "]") +
+                                        " [" + (identity.provider == null ? "" : identity.provider) +
+                                        ":" + ServiceAuthenticator.getAuthTypeName(identity.auth_type) + "]" +
                                         (TextUtils.isEmpty(identity.sender_extra_regex) ? "" : " regex=" + identity.sender_extra_regex) +
                                         (!identity.sender_extra ? "" : " edit" +
                                                 (identity.sender_extra_name ? "+name" : "-name") +

app/src/main/java/eu/faircode/email/ServiceAuthenticator.java

@@ -232,6 +232,19 @@ public class ServiceAuthenticator extends Authenticator {
         }
     }
 
+    static String getAuthTypeName(int auth_type) {
+        if (auth_type == AUTH_TYPE_PASSWORD)
+            return "password";
+        else if (auth_type == AUTH_TYPE_GMAIL)
+            return "gmail";
+        else if (auth_type == AUTH_TYPE_OAUTH)
+            return "oauth";
+        else if (auth_type == AUTH_TYPE_GRAPH)
+            return "graph";
+        else
+            return "?" + auth_type;
+    }
+
     static String getAuthTokenType(String type) {
         // https://developers.google.com/gmail/imap/xoauth2-protocol
         if (TYPE_GOOGLE.equals(type))