2013-06-08 18:50:26 +02:00

324 lines
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Java
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package com.cradle.iitc_mobile;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.content.res.AssetManager;
import android.net.Uri;
import android.net.http.SslError;
import android.os.Environment;
import android.preference.PreferenceManager;
import android.util.Log;
import android.webkit.SslErrorHandler;
import android.webkit.WebResourceResponse;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Toast;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.URL;
import java.util.Map;
import java.util.Scanner;
import java.util.Set;
public class IITC_WebViewClient extends WebViewClient {
private static final ByteArrayInputStream style = new ByteArrayInputStream(
"body, #dashboard_container, #map_canvas { background: #000 !important; }"
.getBytes());
private static final ByteArrayInputStream empty = new ByteArrayInputStream(
"".getBytes());
private WebResourceResponse iitcjs;
private String js = null;
private String iitc_path = null;
Context context;
public IITC_WebViewClient(Context c) {
this.context = c;
this.iitc_path = Environment.getExternalStorageDirectory().getPath()
+ "/IITC_Mobile/";
}
public String getIITCVersion() {
String header = "";
if (js != null)
header = js.substring(js.indexOf("==UserScript=="),
js.indexOf("==/UserScript=="));
// remove new line comments
header = header.replace("\n//", "");
// get a list of key-value
String[] attributes = header.split(" +");
String iitc_version = "not found";
for (int i = 0; i < attributes.length; i++) {
// search for version and use the value
if (attributes[i].equals("@version"))
iitc_version = attributes[i + 1];
}
return iitc_version;
}
public void loadIITC_JS(Context c) throws java.io.IOException {
// You are able to load the script from external source
// if a http address is given, use script from this address. else use
// the local script
SharedPreferences sharedPref = PreferenceManager
.getDefaultSharedPreferences(c);
String iitc_source = sharedPref.getString("pref_iitc_source", "local");
String js = "";
// if developer mode are enabled, load all iitc script from external
// storage
Log.d("iitcm", "adding iitc main script");
if (sharedPref.getBoolean("pref_dev_checkbox", false)) {
js = this.fileToString(iitc_path
+ "dev/total-conversion-build.user.js", false);
if (js.equals("false")) {
Toast.makeText( context, "File " + iitc_path +
"dev/total-conversion-build.user.js not found. " +
"Disable developer mode or add iitc files to the dev folder.",
Toast.LENGTH_LONG).show();
return;
} else {
Toast.makeText(context, "Developer mode enabled",
Toast.LENGTH_SHORT).show();
}
} else {
// load iitc script from web or asset folder
if (iitc_source.contains("http")) {
URL url = new URL(iitc_source);
js = new Scanner(url.openStream(), "UTF-8").useDelimiter("\\A")
.next();
} else {
js = this.fileToString("total-conversion-build.user.js", true);
}
}
PackageManager pm = context.getPackageManager();
boolean hasMultitouch = pm
.hasSystemFeature(PackageManager.FEATURE_TOUCHSCREEN_MULTITOUCH);
boolean forcedZoom = sharedPref.getBoolean("pref_user_zoom", false);
if (hasMultitouch && !forcedZoom) {
js = js.replace("window.showZoom = true;",
"window.showZoom = false;");
}
// hide layer chooser on desktop mode
// on mobile mode it is hidden via smartphone.css
boolean desktopMode = sharedPref.getBoolean("pref_force_desktop", false);
if (desktopMode) {
js = js.replace("window.showLayerChooser = true;",
"window.showLayerChooser = false");
}
// add all plugins to the script...inject plugins + main script simultaneously
js += parsePlugins();
this.js = js;
// need to wrap the mobile iitc.js version in a document ready. IITC
// expects to be injected after the DOM has been loaded completely.
// Since the mobile client injects IITC by replacing the gen_dashboard
// file, IITC runs to early. The document.ready delays IITC long enough
// so it boots correctly.
js = "$(document).ready(function(){" + js + "});";
iitcjs = new WebResourceResponse("text/javascript", "UTF-8",
new ByteArrayInputStream(js.getBytes()));
};
// enable https
@Override
public void onReceivedSslError(WebView view, SslErrorHandler handler,
SslError error) {
handler.proceed();
};
/**
* this method is called automatically when the Google login form is opened.
*/
@Override
public void onReceivedLoginRequest(WebView view, String realm, String account, String args) {
((IITC_Mobile) context).onReceivedLoginRequest(this, view, realm, account, args);
}
// parse all enabled iitc plugins
// returns a string containing all plugins without their wrappers
public String parsePlugins() {
String js = "";
// get the plugin preferences
SharedPreferences sharedPref = PreferenceManager
.getDefaultSharedPreferences(context);
Set<String> plugin_list = sharedPref.getStringSet("pref_plugins", null);
boolean dev_enabled = sharedPref.getBoolean("pref_dev_checkbox", false);
Map<String, ?> all_prefs = sharedPref.getAll();
// iterate through all plugins
for(Map.Entry<String, ?> entry : all_prefs.entrySet()){
String plugin = entry.getKey();
if (plugin.endsWith("user.js") && entry.getValue().toString() == "true") {
// load default iitc plugins
if (!plugin.startsWith(iitc_path)) {
Log.d("iitcm", "adding plugin " + plugin);
if (dev_enabled)
js += this.removePluginWrapper(iitc_path + "dev/plugins/"
+ plugin, false);
else
js += this.removePluginWrapper("plugins/" + plugin, true);
// load additional iitc plugins
} else {
Log.d("iitcm", "adding additional plugin " + plugin);
js += this.removePluginWrapper(plugin, false);
}
}
}
// inject the user location script if enabled in settings
if (sharedPref.getBoolean("pref_user_loc", false))
js += parseTrackingPlugin(dev_enabled);
return js;
}
public String parseTrackingPlugin(boolean dev_enabled) {
Log.d("iitcm", "enable tracking...");
String js = "";
// load plugin from external storage if dev mode are enabled
if (dev_enabled)
js = this.removePluginWrapper(iitc_path + "dev/user-location.user.js", false);
else
// load plugin from asset folder
js = this.removePluginWrapper("user-location.user.js", true);
return js;
}
// read a file into a string
// use the full path for File
// if asset == true use the asset manager to open file
public String fileToString(String file, boolean asset) {
Scanner s = null;
String src = "";
if (!asset) {
File js_file = new File(file);
try {
s = new Scanner(js_file).useDelimiter("\\A");
} catch (FileNotFoundException e) {
e.printStackTrace();
Log.d("iitcm", "failed to parse file " + file);
return "false";
}
} else {
// load plugins from asset folder
AssetManager am = context.getAssets();
try {
s = new Scanner(am.open(file)).useDelimiter("\\A");
} catch (IOException e) {
e.printStackTrace();
Log.d("iitcm", "failed to parse file assets/" + file);
return "false";
}
}
if (s != null)
src = s.hasNext() ? s.next() : "";
return src;
}
// read a file into a string
// load it as javascript
// at the moment not needed, but not bad to have it in the IITC_WebViewClient API
public boolean loadJS(String file, boolean asset, WebView view) {
if (!file.endsWith("user.js"))
return false;
String js = fileToString(file, asset);
if (js.equals("false"))
return false;
else
view.loadUrl("javascript:" + js);
return true;
}
// iitc and all plugins are loaded at the same time
// so remove the wrapper functions and injection code
// TODO: it only works if the plugin is coded with the iitc plugin template
public String removePluginWrapper(String file, boolean asset) {
if (!file.endsWith("user.js")) return "";
String js = fileToString(file, asset);
if (js == "false") return "";
js = js.replaceAll("\r\n", "\n"); //convert CR-LF pairs to LF - windows format text files
js = js.replaceAll("\r", "\n"); //convert remaining CR to LF - Mac format files(?)
String wrapper_start = "function wrapper() {";
String wrapper_end = "} // wrapper end";
String injection_code = "// inject code into site context\n" +
"var script = document.createElement('script');\n" +
"script.appendChild(document.createTextNode('('+ wrapper +')();'));\n" +
"(document.body || document.head || document.documentElement).appendChild(script);";
if (js.contains(wrapper_start) && js.contains(wrapper_end) && js.contains(injection_code)) {
js = js.replace("function wrapper() {", "");
// remove the wrapper function
js = js.replace("} // wrapper end", "");
// and the code injection
js = js.replace("// inject code into site context\n" +
"var script = document.createElement('script');\n" +
"script.appendChild(document.createTextNode('('+ wrapper +')();'));\n" +
"(document.body || document.head || document.documentElement).appendChild(script);", "");
} else {
Log.d("iitcm", "Removal of wrapper/injection code failed for " + file);
return "";
}
return js;
}
// Check every external resource if its okay to load it and maybe replace
// it
// with our own content. This is used to block loading Niantic resources
// which arent required and to inject IITC early into the site.
// via http://stackoverflow.com/a/8274881/1684530
@Override
public WebResourceResponse shouldInterceptRequest(final WebView view,
String url) {
if (url.contains("/css/common.css")) {
return new WebResourceResponse("text/css", "UTF-8", style);
} else if (url.contains("gen_dashboard.js")) {
Log.d("iitcm", "replacing gen_dashboard.js with iitc script");
Log.d("iitcm", "injecting iitc...");
return this.iitcjs;
} else if (url.contains("/css/ap_icons.css")
|| url.contains("/css/map_icons.css")
|| url.contains("/css/misc_icons.css")
|| url.contains("/css/style_full.css")
|| url.contains("/css/style_mobile.css")
|| url.contains("/css/portalrender.css")
|| url.contains("js/analytics.js")
|| url.contains("google-analytics.com/ga.js")) {
return new WebResourceResponse("text/plain", "UTF-8", empty);
} else {
return super.shouldInterceptRequest(view, url);
}
}
// start non-ingress-intel-urls in another app...
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
if (url.contains("ingress.com") || url.contains("appengine.google.com")) {
// reload iitc if a poslink is clicked inside the app
if (url.contains("intel?ll=")
|| (url.contains("latE6") && url.contains("lngE6"))) {
Log.d("iitcm",
"should be an internal clicked position link...reload script for: "
+ url);
((IITC_Mobile) context).loadUrl(url);
}
return false;
} else {
Log.d("iitcm",
"no ingress intel link, start external app to load url: "
+ url);
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
context.startActivity(intent);
return true;
}
}
}