Added parameters OAuth profiles

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

@@ -60,8 +60,10 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.Comparator;
+import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Locale;
+import java.util.Map;
 import java.util.Objects;
 import java.util.concurrent.Callable;
 import java.util.concurrent.ExecutionException;
@@ -277,6 +279,13 @@ public class EmailProvider implements Parcelable {
                         provider.oauth.tokenEndpoint = xml.getAttributeValue(null, "tokenEndpoint");
                         provider.oauth.redirectUri = xml.getAttributeValue(null, "redirectUri");
                         provider.oauth.privacy = xml.getAttributeValue(null, "privacy");
+                        provider.oauth.prompt = xml.getAttributeValue(null, "prompt");
+                    } else if ("parameter".equals(name)) {
+                        if (provider.oauth.parameters == null)
+                            provider.oauth.parameters = new LinkedHashMap<>();
+                        provider.oauth.parameters.put(
+                                xml.getAttributeValue(null, "key"),
+                                xml.getAttributeValue(null, "value"));
                     } else
                         throw new IllegalAccessException(name);
                 } else if (eventType == XmlPullParser.END_TAG) {
@@ -1280,5 +1289,7 @@ public class EmailProvider implements Parcelable {
         String tokenEndpoint;
         String redirectUri;
         String privacy;
+        String prompt;
+        Map<String, String> parameters;
     }
 }

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

@@ -86,6 +86,7 @@ import java.util.Collections;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.Iterator;
+import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 
@@ -363,7 +364,11 @@ public class FragmentOAuth extends FragmentBase {
             SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
             prefs.edit().putString("oauth." + provider.id, authState.jsonSerializeString()).apply();
 
-            Map<String, String> params = new HashMap<>();
+            Map<String, String> params = new LinkedHashMap<>();
+
+            if (provider.oauth.parameters != null)
+                for (String key : provider.oauth.parameters.keySet())
+                    params.put(key, provider.oauth.parameters.get(key));
 
             if ("gmail".equals(provider.id))
                 params.put("access_type", "offline");
@@ -398,6 +403,9 @@ public class FragmentOAuth extends FragmentBase {
             if (provider.oauth.pcke)
                 authRequestBuilder.setCodeVerifier(CodeVerifierUtil.generateRandomCodeVerifier());
 
+            if (!TextUtils.isEmpty(provider.oauth.prompt))
+                authRequestBuilder.setPrompt(provider.oauth.prompt);
+
             // For offline access
             if ("gmail".equals(provider.id))
                 authRequestBuilder.setPrompt("consent");