From b4d2ddc37be9e72bc43b16f34d94e46824b905ec Mon Sep 17 00:00:00 2001
From: Mateusz Konieczny <matkoniecz@gmail.com>
Date: Wed, 19 Jun 2019 20:47:22 +0200
Subject: [PATCH] bypass censorship in Russia

provide fallback overpas server (thanks to Kumi Systems for providing it!)
fixes #1389
---
 .../java/de/westnordost/streetcomplete/Prefs.java     |  4 +++-
 .../de/westnordost/streetcomplete/data/OsmModule.java | 11 +++++++----
 app/src/main/res/values/arrays.xml                    |  9 +++++++++
 app/src/main/res/values/strings.xml                   |  2 ++
 app/src/main/res/xml/preferences.xml                  |  9 +++++++++
 5 files changed, 30 insertions(+), 5 deletions(-)

diff --git a/app/src/main/java/de/westnordost/streetcomplete/Prefs.java b/app/src/main/java/de/westnordost/streetcomplete/Prefs.java
index ed9fd28e91c..60be5925d4b 100644
--- a/app/src/main/java/de/westnordost/streetcomplete/Prefs.java
+++ b/app/src/main/java/de/westnordost/streetcomplete/Prefs.java
@@ -16,7 +16,9 @@ public class Prefs
 			AUTOSYNC = "autosync",
 			KEEP_SCREEN_ON = "display.keepScreenOn",
 			UNGLUE_HINT_TIMES_SHOWN = "unglueHint.shown",
-			THEME_SELECT = "theme.select";
+			THEME_SELECT = "theme.select",
+			OVERPASS_URL = "overpass_url";
+
 
 	// not shown anywhere directly
 	public static final String
diff --git a/app/src/main/java/de/westnordost/streetcomplete/data/OsmModule.java b/app/src/main/java/de/westnordost/streetcomplete/data/OsmModule.java
index 13b1fe6c94a..3aa83d67ed4 100644
--- a/app/src/main/java/de/westnordost/streetcomplete/data/OsmModule.java
+++ b/app/src/main/java/de/westnordost/streetcomplete/data/OsmModule.java
@@ -1,9 +1,11 @@
 package de.westnordost.streetcomplete.data;
 
 import android.content.Context;
+import android.content.SharedPreferences;
 
 import java.io.File;
 
+import javax.inject.Inject;
 import javax.inject.Named;
 import javax.inject.Provider;
 import javax.inject.Singleton;
@@ -12,6 +14,7 @@
 import dagger.Provides;
 import de.westnordost.osmapi.user.UserDao;
 import de.westnordost.streetcomplete.ApplicationConstants;
+import de.westnordost.streetcomplete.Prefs;
 import de.westnordost.streetcomplete.data.osm.OsmQuestGiver;
 import de.westnordost.streetcomplete.data.osm.download.ElementGeometryCreator;
 import de.westnordost.streetcomplete.data.osm.download.OsmApiWayGeometrySource;
@@ -40,7 +43,7 @@ public class OsmModule
 {
 	public static final String
 		OSM_API_URL = "https://api.openstreetmap.org/api/0.6/",
-		OVERPASS_API_URL = "https://overpass-api.de/api/",
+		OVERPASS_API_WITH_ATTIC_DATA_URL = "https://overpass-api.de/api/",
 		ONEWAY_API_URL = "https://www.westnordost.de/streetcomplete/oneway-data-api/";
 
 
@@ -62,10 +65,10 @@ public static OsmConnection osmConnection(OAuthConsumer consumer)
 	}
 
 	@Provides public static OverpassMapDataDao overpassMapDataDao(
-			Provider<OverpassMapDataParser> parserProvider)
+			Provider<OverpassMapDataParser> parserProvider, SharedPreferences prefs)
 	{
 		OsmConnection overpassConnection = new OsmConnection(
-				OVERPASS_API_URL, ApplicationConstants.USER_AGENT, null);
+			prefs.getString(Prefs.OVERPASS_URL, "https://overpass-api.de/api/"), ApplicationConstants.USER_AGENT, null);
 		return new OverpassMapDataDao(overpassConnection, parserProvider);
 	}
 
@@ -73,7 +76,7 @@ public static OsmConnection osmConnection(OAuthConsumer consumer)
 		Provider<OverpassMapDataParser> parserProvider, String date)
 	{
 		OsmConnection overpassConnection = new OsmConnection(
-			OVERPASS_API_URL, ApplicationConstants.USER_AGENT, null);
+			OVERPASS_API_WITH_ATTIC_DATA_URL, ApplicationConstants.USER_AGENT, null);
 		return new OverpassOldMapDataDao(overpassConnection, parserProvider, date);
 	}
 
diff --git a/app/src/main/res/values/arrays.xml b/app/src/main/res/values/arrays.xml
index cb682becf74..84321eefb14 100644
--- a/app/src/main/res/values/arrays.xml
+++ b/app/src/main/res/values/arrays.xml
@@ -24,4 +24,13 @@
         <item>DARK</item>
     </string-array>
 
+    <string-array name="pref_entries_overpass_url_select" translatable="false">
+        <item>"https://overpass-api.de/api/"</item>
+        <item>"https://overpass.kumi.systems/api/"</item>
+    </string-array>
+
+    <string-array name="pref_entryvalues_overpass_url_select" translatable="false">
+        <item>"https://overpass-api.de/api/"</item>
+        <item>"https://overpass.kumi.systems/api/"</item>
+    </string-array>
 </resources>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 1d02a3f9df9..e85444a48d2 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -649,6 +649,8 @@ Otherwise, you can download another keyboard in the app store. Popular keyboards
     <string name="theme_light">Light</string>
     <string name="theme_dark">Dark</string>
     <string name="theme_system_default">System default</string>
+    <string name="pref_title_overpass_url_select">Change Overpass server</string>
+    <string name="pref_title_overpass_url_info">may bypass censorship, for example in Russia</string>
     <string name="quest_accessible_for_pedestrians_separate_sidewalk_explanation">This street was tagged as having no sidewalk on either side. In the case that there is a sidewalk after all but it is displayed as a separate way, please answer \"sidewalk\".</string>
     <string name="action_open_location">Open location in another app</string>
     <string name="map_application_missing">No other map application installed</string>
diff --git a/app/src/main/res/xml/preferences.xml b/app/src/main/res/xml/preferences.xml
index eae8c70aa8f..7f08d9ca33e 100644
--- a/app/src/main/res/xml/preferences.xml
+++ b/app/src/main/res/xml/preferences.xml
@@ -104,6 +104,15 @@
             android:title="@string/pref_title_quests_restore_hidden"
             />
 
+        <ListPreference
+            android:key="overpass_url"
+            android:title="@string/pref_title_overpass_url_select"
+            android:summary="@string/pref_title_overpass_url_info"
+            android:defaultValue="https://overpass-api.de/api/"
+            android:entries="@array/pref_entries_overpass_url_select"
+            android:entryValues="@array/pref_entryvalues_overpass_url_select"
+            android:persistent="true"
+            />
     </PreferenceCategory>
 
 </PreferenceScreen>