/*
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
*/
package org.apache.cordova;
import java.io.IOException;
import java.util.Locale;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.apache.cordova.LOG;
import org.xmlpull.v1.XmlPullParserException;
import android.app.Activity;
import android.content.res.XmlResourceParser;
import android.graphics.Color;
import android.util.Log;
public class Config {
public static final String TAG = "Config";
private Whitelist whitelist = new Whitelist();
private String startUrl;
private static Config self = null;
public static void init(Activity action) {
//Just re-initialize this! Seriously, we lose this all the time
self = new Config(action);
}
// Intended to be used for testing only; creates an empty configuration.
public static void init() {
if (self == null) {
self = new Config();
}
}
// Intended to be used for testing only; creates an empty configuration.
private Config() {
}
private Config(Activity action) {
if (action == null) {
LOG.i("CordovaLog", "There is no activity. Is this on the lock screen?");
return;
}
// First checking the class namespace for config.xml
int id = action.getResources().getIdentifier("config", "xml", action.getClass().getPackage().getName());
if (id == 0) {
// If we couldn't find config.xml there, we'll look in the namespace from AndroidManifest.xml
id = action.getResources().getIdentifier("config", "xml", action.getPackageName());
if (id == 0) {
LOG.i("CordovaLog", "config.xml missing. Ignoring...");
return;
}
}
// Add implicitly allowed URLs
whitelist.addWhiteListEntry("file:///*", false);
whitelist.addWhiteListEntry("content:///*", false);
whitelist.addWhiteListEntry("data:*", false);
XmlResourceParser xml = action.getResources().getXml(id);
int eventType = -1;
while (eventType != XmlResourceParser.END_DOCUMENT) {
if (eventType == XmlResourceParser.START_TAG) {
String strNode = xml.getName();
if (strNode.equals("access")) {
String origin = xml.getAttributeValue(null, "origin");
String subdomains = xml.getAttributeValue(null, "subdomains");
if (origin != null) {
whitelist.addWhiteListEntry(origin, (subdomains != null) && (subdomains.compareToIgnoreCase("true") == 0));
}
}
else if (strNode.equals("log")) {
String level = xml.getAttributeValue(null, "level");
Log.d(TAG, "The <log> tag is deprecated. Use <preference name=\"loglevel\" value=\"" + level + "\"/> instead.");
if (level != null) {
LOG.setLogLevel(level);
}
}
else if (strNode.equals("preference")) {
String name = xml.getAttributeValue(null, "name").toLowerCase(Locale.getDefault());
/* Java 1.6 does not support switch-based strings
Java 7 does, but we're using Dalvik, which is apparently not Java.
Since we're reading XML, this has to be an ugly if/else.
Also, due to cast issues, each of them has to call their separate putExtra!
Wheee!!! Isn't Java FUN!?!?!?
Note: We should probably pass in the classname for the variable splash on splashscreen!
*/
if (name.equalsIgnoreCase("LogLevel")) {
String level = xml.getAttributeValue(null, "value");
LOG.setLogLevel(level);
} else if (name.equalsIgnoreCase("SplashScreen")) {
String value = xml.getAttributeValue(null, "value");
int resource = 0;
if (value == null)
{
value = "splash";
}
resource = action.getResources().getIdentifier(value, "drawable", action.getPackageName());
action.getIntent().putExtra(name, resource);
}
else if(name.equalsIgnoreCase("BackgroundColor")) {
int value = xml.getAttributeIntValue(null, "value", Color.BLACK);
action.getIntent().putExtra(name, value);
}
else if(name.equalsIgnoreCase("LoadUrlTimeoutValue")) {
int value = xml.getAttributeIntValue(null, "value", 20000);
action.getIntent().putExtra(name, value);
}
else if(name.equalsIgnoreCase("SplashScreenDelay")) {
int value = xml.getAttributeIntValue(null, "value", 3000);
action.getIntent().putExtra(name, value);
}
else if(name.equalsIgnoreCase("KeepRunning"))
{
boolean value = xml.getAttributeValue(null, "value").equals("true");
action.getIntent().putExtra(name, value);
}
else if(name.equalsIgnoreCase("InAppBrowserStorageEnabled"))
{
boolean value = xml.getAttributeValue(null, "value").equals("true");
action.getIntent().putExtra(name, value);
}
else if(name.equalsIgnoreCase("DisallowOverscroll"))
{
boolean value = xml.getAttributeValue(null, "value").equals("true");
action.getIntent().putExtra(name, value);
}
else
{
String value = xml.getAttributeValue(null, "value");
action.getIntent().putExtra(name, value);
}
/*
LOG.i("CordovaLog", "Found preference for %s=%s", name, value);
*/
}
else if (strNode.equals("content")) {
String src = xml.getAttributeValue(null, "src");
LOG.i("CordovaLog", "Found start page location: %s", src);
if (src != null) {
Pattern schemeRegex = Pattern.compile("^[a-z-]+://");
Matcher matcher = schemeRegex.matcher(src);
if (matcher.find()) {
startUrl = src;
} else {
if (src.charAt(0) == '/') {
src = src.substring(1);
}
startUrl = "file:///android_asset/www/" + src;
}
}
}
}
try {
eventType = xml.next();
} catch (XmlPullParserException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}
/**
* Add entry to approved list of URLs (whitelist)
*
* @param origin URL regular expression to allow
* @param subdomains T=include all subdomains under origin
*/
public static void addWhiteListEntry(String origin, boolean subdomains) {
if (self == null) {
Log.e(TAG, "Config was not initialised. Did you forget to Config.init(this)?");
return;
}
self.whitelist.addWhiteListEntry(origin, subdomains);
}
/**
* Determine if URL is in approved list of URLs to load.
*
* @param url
* @return true if whitelisted
*/
public static boolean isUrlWhiteListed(String url) {
if (self == null) {
Log.e(TAG, "Config was not initialised. Did you forget to Config.init(this)?");
return false;
}
return self.whitelist.isUrlWhiteListed(url);
}
public static String getStartUrl() {
if (self == null || self.startUrl == null) {
return "file:///android_asset/www/index.html";
}
return self.startUrl;
}
}