package io.github.mthli.Ninja.Unit;
import android.app.DownloadManager;
import android.content.*;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.preference.PreferenceManager;
import android.webkit.*;
import io.github.mthli.Ninja.Browser.AdBlock;
import io.github.mthli.Ninja.Database.Record;
import io.github.mthli.Ninja.Database.RecordAction;
import io.github.mthli.Ninja.R;
import io.github.mthli.Ninja.View.NinjaToast;
import java.io.*;
import java.net.URLEncoder;
import java.util.*;
import java.util.regex.Pattern;
public class BrowserUnit {
public static final int PROGRESS_MAX = 100;
public static final int PROGRESS_MIN = 0;
public static final String SUFFIX_HTML = ".html";
public static final String SUFFIX_PNG = ".png";
public static final String SUFFIX_TXT = ".txt";
public static final int FLAG_BOOKMARKS = 0x100;
public static final int FLAG_HISTORY = 0x101;
public static final int FLAG_HOME = 0x102;
public static final int FLAG_NINJA = 0x103;
public static final String MIME_TYPE_TEXT_HTML = "text/html";
public static final String MIME_TYPE_TEXT_PLAIN = "text/plain";
public static final String MIME_TYPE_IMAGE = "image/*";
public static final String BASE_URL = "file:///android_asset/";
public static final String BOOKMARK_TYPE = "<DT><A HREF=\"{url}\" ADD_DATE=\"{time}\">{title}</A>";
public static final String BOOKMARK_TITLE = "{title}";
public static final String BOOKMARK_URL = "{url}";
public static final String BOOKMARK_TIME = "{time}";
public static final String INTRODUCTION_EN = "ninja_introduction_en.html";
public static final String INTRODUCTION_ZH = "ninja_introduction_zh.html";
public static final String SEARCH_ENGINE_GOOGLE = "https://www.google.com/search?q=";
public static final String SEARCH_ENGINE_DUCKDUCKGO = "https://duckduckgo.com/?q=";
public static final String SEARCH_ENGINE_STARTPAGE = "https://startpage.com/do/search?query=";
public static final String SEARCH_ENGINE_BING = "http://www.bing.com/search?q=";
public static final String SEARCH_ENGINE_BAIDU = "http://www.baidu.com/s?wd=";
public static final String UA_DESKTOP = "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.36";
public static final String URL_ENCODING = "UTF-8";
public static final String URL_ABOUT_BLANK = "about:blank";
public static final String URL_SCHEME_ABOUT = "about:";
public static final String URL_SCHEME_MAIL_TO = "mailto:";
public static final String URL_SCHEME_FILE = "file://";
public static final String URL_SCHEME_FTP = "ftp://";
public static final String URL_SCHEME_HTTP = "http://";
public static final String URL_SCHEME_HTTPS = "https://";
public static final String URL_SCHEME_INTENT = "intent://";
public static final String URL_PREFIX_GOOGLE_PLAY = "www.google.com/url?q=";
public static final String URL_SUFFIX_GOOGLE_PLAY = "&sa";
public static final String URL_PREFIX_GOOGLE_PLUS = "plus.url.google.com/url?q=";
public static final String URL_SUFFIX_GOOGLE_PLUS = "&rct";
public static boolean isURL(String url) {
if (url == null) {
return false;
}
url = url.toLowerCase(Locale.getDefault());
if (url.startsWith(URL_ABOUT_BLANK)
|| url.startsWith(URL_SCHEME_MAIL_TO)
|| url.startsWith(URL_SCHEME_FILE)) {
return true;
}
String regex = "^((ftp|http|https|intent)?://)" // support scheme
+ "?(([0-9a-z_!~*'().&=+$%-]+: )?[0-9a-z_!~*'().&=+$%-]+@)?" // ftp的user@
+ "(([0-9]{1,3}\\.){3}[0-9]{1,3}" // IP形式的URL -> 199.194.52.184
+ "|" // 允许IP和DOMAIN（域名）
+ "([0-9a-z_!~*'()-]+\\.)*" // 域名 -> www.
+ "([0-9a-z][0-9a-z-]{0,61})?[0-9a-z]\\." // 二级域名
+ "[a-z]{2,6})" // first level domain -> .com or .museum
+ "(:[0-9]{1,4})?" // 端口 -> :80
+ "((/?)|" // a slash isn't required if there is no file name
+ "(/[0-9a-z_!~*'().;?:@&=+$,%#-]+)+/?)$";
Pattern pattern = Pattern.compile(regex);
return pattern.matcher(url).matches();
}
public static String queryWrapper(Context context, String query) {
// Use prefix and suffix to process some special links
String temp = query.toLowerCase(Locale.getDefault());
if (temp.contains(URL_PREFIX_GOOGLE_PLAY) && temp.contains(URL_SUFFIX_GOOGLE_PLAY)) {
int start = temp.indexOf(URL_PREFIX_GOOGLE_PLAY) + URL_PREFIX_GOOGLE_PLAY.length();
int end = temp.indexOf(URL_SUFFIX_GOOGLE_PLAY);
query = query.substring(start, end);
} else if (temp.contains(URL_PREFIX_GOOGLE_PLUS) && temp.contains(URL_SUFFIX_GOOGLE_PLUS)) {
int start = temp.indexOf(URL_PREFIX_GOOGLE_PLUS) + URL_PREFIX_GOOGLE_PLUS.length();
int end = temp.indexOf(URL_SUFFIX_GOOGLE_PLUS);
query = query.substring(start, end);
}
if (isURL(query)) {
if (query.startsWith(URL_SCHEME_ABOUT) || query.startsWith(URL_SCHEME_MAIL_TO)) {
return query;
}
if (!query.contains("://")) {
query = URL_SCHEME_HTTP + query;
}
return query;
}
try {
query = URLEncoder.encode(query, URL_ENCODING);
} catch (UnsupportedEncodingException u) {}
SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(context);
String custom = sp.getString(context.getString(R.string.sp_search_engine_custom), SEARCH_ENGINE_GOOGLE);
final int i = Integer.valueOf(sp.getString(context.getString(R.string.sp_search_engine), "0"));
switch (i) {
case 0:
return SEARCH_ENGINE_GOOGLE + query;
case 1:
return SEARCH_ENGINE_DUCKDUCKGO + query;
case 2:
return SEARCH_ENGINE_STARTPAGE + query;
case 3:
return SEARCH_ENGINE_BING + query;
case 4:
return SEARCH_ENGINE_BAIDU + query;
case 5:
return custom + query;
default:
return SEARCH_ENGINE_GOOGLE + query;
}
}
public static String urlWrapper(String url) {
if (url == null) {
return null;
}
String green500 = "<font color='#4CAF50'>{content}</font>";
String gray500 = "<font color='#9E9E9E'>{content}</font>";
if (url.startsWith(BrowserUnit.URL_SCHEME_HTTPS)) {
String scheme = green500.replace("{content}", BrowserUnit.URL_SCHEME_HTTPS);
url = scheme + url.substring(8);
} else if (url.startsWith(BrowserUnit.URL_SCHEME_HTTP)) {
String scheme = gray500.replace("{content}", BrowserUnit.URL_SCHEME_HTTP);
url = scheme + url.substring(7);
}
return url;
}
public static boolean bitmap2File(Context context, Bitmap bitmap, String filename) {
try {
FileOutputStream fileOutputStream = context.openFileOutput(filename, Context.MODE_PRIVATE);
bitmap.compress(Bitmap.CompressFormat.PNG, 100, fileOutputStream);
fileOutputStream.flush();
fileOutputStream.close();
} catch (Exception e) {
return false;
}
return true;
}
public static Bitmap file2Bitmap(Context context, String filename) {
try {
FileInputStream fileInputStream = context.openFileInput(filename);
return BitmapFactory.decodeStream(fileInputStream);
} catch (Exception e) {
return null;
}
}
public static void copyURL(Context context, String url) {
ClipboardManager manager = (ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
ClipData data = ClipData.newPlainText(null, url.trim());
manager.setPrimaryClip(data);
NinjaToast.show(context, R.string.toast_copy_successful);
}
public static void download(Context context, String url, String contentDisposition, String mimeType) {
DownloadManager.Request request = new DownloadManager.Request(Uri.parse(url));
String filename = URLUtil.guessFileName(url, contentDisposition, mimeType); // Maybe unexpected filename.
request.allowScanningByMediaScanner();
request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
request.setTitle(filename);
request.setMimeType(mimeType);
request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, filename);
DownloadManager manager = (DownloadManager) context.getSystemService(Context.DOWNLOAD_SERVICE);
manager.enqueue(request);
NinjaToast.show(context, R.string.toast_start_download);
}
public static String screenshot(Context context, Bitmap bitmap, String name) {
if (bitmap == null) {
return null;
}
File dir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES);
if (name == null || name.trim().isEmpty()) {
name = String.valueOf(System.currentTimeMillis());
}
name = name.trim();
int count = 0;
File file = new File(dir, name + SUFFIX_PNG);
while (file.exists()) {
count++;
file = new File(dir, name + "." + count + SUFFIX_PNG);
}
try {
FileOutputStream stream = new FileOutputStream(file);
bitmap.compress(Bitmap.CompressFormat.PNG, 100, stream);
stream.flush();
stream.close();
context.sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, Uri.fromFile(file)));
return file.getAbsolutePath();
} catch (Exception e) {
return null;
}
}
public static String exportBookmarks(Context context) {
RecordAction action = new RecordAction(context);
action.open(false);
List<Record> list = action.listBookmarks();
action.close();
String filename = context.getString(R.string.bookmarks_filename);
File file = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS), filename + SUFFIX_HTML);
int count = 0;
while (file.exists()) {
count++;
file = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS), filename + "." + count + SUFFIX_HTML);
}
try {
BufferedWriter writer = new BufferedWriter(new FileWriter(file, false));
for (Record record : list) {
String type = BOOKMARK_TYPE;
type = type.replace(BOOKMARK_TITLE, record.getTitle());
type = type.replace(BOOKMARK_URL, record.getURL());
type = type.replace(BOOKMARK_TIME, String.valueOf(record.getTime()));
writer.write(type);
writer.newLine();
}
writer.close();
return file.getAbsolutePath();
} catch (Exception e) {
return null;
}
}
public static String exportWhitelist(Context context) {
RecordAction action = new RecordAction(context);
action.open(false);
List<String> list = action.listDomains();
action.close();
String filename = context.getString(R.string.whilelist_filename);
File file = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS), filename + SUFFIX_TXT);
int count = 0;
while (file.exists()) {
count++;
file = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS), filename + "." + count + SUFFIX_TXT);
}
try {
BufferedWriter writer = new BufferedWriter(new FileWriter(file, false));
for (String domain : list) {
writer.write(domain);
writer.newLine();
}
writer.close();
return file.getAbsolutePath();
} catch (Exception e) {
return null;
}
}
public static int importBookmarks(Context context, File file) {
if (file == null) {
return -1;
}
List<Record> list = new ArrayList<>();
try {
RecordAction action = new RecordAction(context);
action.open(true);
BufferedReader reader = new BufferedReader(new FileReader(file));
String line;
while ((line = reader.readLine()) != null) {
line = line.trim();
if (!((line.startsWith("<dt><a ") && line.endsWith("</a>")) || (line.startsWith("<DT><A ") && line.endsWith("</A>")))) {
continue;
}
String title = getBookmarkTitle(line);
String url = getBookmarkURL(line);
if (title.trim().isEmpty() || url.trim().isEmpty()) {
continue;
}
Record record = new Record();
record.setTitle(title);
record.setURL(url);
record.setTime(System.currentTimeMillis());
if (!action.checkBookmark(record)) {
list.add(record);
}
}
reader.close();
Collections.sort(list, new Comparator<Record>() {
@Override
public int compare(Record first, Record second) {
return first.getTitle().compareTo(second.getTitle());
}
});
for (Record record : list) {
action.addBookmark(record);
}
action.close();
} catch (Exception e) {}
return list.size();
}
public static int importWhitelist(Context context, File file) {
if (file == null) {
return -1;
}
AdBlock adBlock = new AdBlock(context);
int count = 0;
try {
RecordAction action = new RecordAction(context);
action.open(true);
BufferedReader reader = new BufferedReader(new FileReader(file));
String line;
while ((line = reader.readLine().trim()) != null) {
if (!action.checkDomain(line)) {
adBlock.addDomain(line);
count++;
}
}
reader.close();
action.close();
} catch (Exception e) {}
return count;
}
public static void clearBookmarks(Context context) {
RecordAction action = new RecordAction(context);
action.open(true);
action.clearBookmarks();
action.close();
}
public static boolean clearCache(Context context) {
try {
File dir = context.getCacheDir();
if (dir != null && dir.isDirectory()) {
deleteDir(dir);
}
return true;
} catch (Exception exception) {
return false;
}
}
// CookieManager.removeAllCookies() must be called on a thread with a running Looper.
public static void clearCookie(Context context) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
CookieManager cookieManager = CookieManager.getInstance();
cookieManager.flush();
cookieManager.removeAllCookies(new ValueCallback<Boolean>() {
@Override
public void onReceiveValue(Boolean value) {}
});
} else {
CookieSyncManager cookieSyncManager = CookieSyncManager.createInstance(context);
CookieManager cookieManager = CookieManager.getInstance();
cookieManager.removeAllCookie();
}
}
public static void clearFormData(Context context) {
WebViewDatabase.getInstance(context).clearFormData();
}
public static void clearHistory(Context context) {
RecordAction action = new RecordAction(context);
action.open(true);
action.clearHistory();
action.close();
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR2) {
WebIconDatabase.getInstance().removeAllIcons();
}
}
public static void clearPasswords(Context context) {
WebViewDatabase.getInstance(context).clearHttpAuthUsernamePassword();
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR2) {
WebViewDatabase.getInstance(context).clearUsernamePassword();
}
}
private static boolean deleteDir(File dir) {
if (dir != null && dir.isDirectory()) {
String[] children = dir.list();
for (String aChildren : children) {
boolean success = deleteDir(new File(dir, aChildren));
if (!success) {
return false;
}
}
}
return dir != null && dir.delete();
}
private static String getBookmarkTitle(String line) {
line = line.substring(0, line.length() - 4); // Remove last </a>
int index = line.lastIndexOf(">");
return line.substring(index + 1, line.length());
}
private static String getBookmarkURL(String line) {
for (String string : line.split(" +")) {
if (string.startsWith("href=\"") || string.startsWith("HREF=\"")) {
return string.substring(6, string.length() - 1); // Remove href=\" and \"
}
}
return "";
}
}