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/*******************************************************************************
uBlock Origin - a comprehensive, efficient content blocker
Copyright (C) 2014-2018 Raymond Hill
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see {http://www.gnu.org/licenses/}.
Home: https://github.com/gorhill/uBlock
*/
/* global CodeMirror, uBlockDashboard */
'use strict';
import { i18n$ } from './i18n.js';
import { dom, qs$ } from './dom.js';
/******************************************************************************/
const reComment = /^\s*#\s*/;
function directiveFromLine(line) {
const match = reComment.exec(line);
return match === null
? line.trim()
: line.slice(match.index + match[0].length).trim();
}
/******************************************************************************/
CodeMirror.defineMode("ubo-whitelist-directives", function() {
const reRegex = /^\/.+\/$/;
return {
token: function token(stream) {
const line = stream.string.trim();
stream.skipToEnd();
if ( reBadHostname === undefined ) {
return null;
}
if ( reComment.test(line) ) {
return 'comment';
}
if ( line.indexOf('/') === -1 ) {
if ( reBadHostname.test(line) ) { return 'error'; }
if ( whitelistDefaultSet.has(line.trim()) ) {
return 'keyword';
}
return null;
}
if ( reRegex.test(line) ) {
try {
new RegExp(line.slice(1, -1));
} catch(ex) {
return 'error';
}
return null;
}
if ( reHostnameExtractor.test(line) === false ) {
return 'error';
}
if ( whitelistDefaultSet.has(line.trim()) ) {
return 'keyword';
}
return null;
}
};
});
let reBadHostname;
let reHostnameExtractor;
let whitelistDefaultSet = new Set();
/******************************************************************************/
const messaging = vAPI.messaging;
const noopFunc = function(){};
let cachedWhitelist = '';
const cmEditor = new CodeMirror(qs$('#whitelist'), {
autofocus: true,
lineNumbers: true,
lineWrapping: true,
styleActiveLine: true,
});
uBlockDashboard.patchCodeMirrorEditor(cmEditor);
/******************************************************************************/
function getEditorText() {
let text = cmEditor.getValue().replace(/\s+$/, '');
return text === '' ? text : text + '\n';
}
function setEditorText(text) {
cmEditor.setValue(text.replace(/\s+$/, '') + '\n');
}
/******************************************************************************/
function whitelistChanged() {
const whitelistElem = qs$('#whitelist');
const bad = qs$(whitelistElem, '.cm-error') !== null;
const changedWhitelist = getEditorText().trim();
const changed = changedWhitelist !== cachedWhitelist;
qs$('#whitelistApply').disabled = !changed || bad;
qs$('#whitelistRevert').disabled = !changed;
CodeMirror.commands.save = changed && !bad ? applyChanges : noopFunc;
}
cmEditor.on('changes', whitelistChanged);
/******************************************************************************/
async function renderWhitelist() {
const details = await messaging.send('dashboard', {
what: 'getWhitelist',
});
const first = reBadHostname === undefined;
if ( first ) {
reBadHostname = new RegExp(details.reBadHostname);
reHostnameExtractor = new RegExp(details.reHostnameExtractor);
whitelistDefaultSet = new Set(details.whitelistDefault);
}
const toAdd = new Set(whitelistDefaultSet);
for ( const line of details.whitelist ) {
const directive = directiveFromLine(line);
if ( whitelistDefaultSet.has(directive) === false ) { continue; }
toAdd.delete(directive);
if ( toAdd.size === 0 ) { break; }
}
if ( toAdd.size !== 0 ) {
details.whitelist.push(...Array.from(toAdd).map(a => `# ${a}`));
}
details.whitelist.sort((a, b) => {
const ad = directiveFromLine(a);
const bd = directiveFromLine(b);
const abuiltin = whitelistDefaultSet.has(ad);
if ( abuiltin !== whitelistDefaultSet.has(bd) ) {
return abuiltin ? -1 : 1;
}
return ad.localeCompare(bd);
});
const whitelistStr = details.whitelist.join('\n').trim();
cachedWhitelist = whitelistStr;
setEditorText(whitelistStr);
if ( first ) {
cmEditor.clearHistory();
}
}
/******************************************************************************/
function handleImportFilePicker() {
const file = this.files[0];
if ( file === undefined || file.name === '' ) { return; }
if ( file.type.indexOf('text') !== 0 ) { return; }
const fr = new FileReader();
fr.onload = ev => {
if ( ev.type !== 'load' ) { return; }
const content = uBlockDashboard.mergeNewLines(
getEditorText().trim(),
fr.result.trim()
);
setEditorText(content);
};
fr.readAsText(file);
}
/******************************************************************************/
function startImportFilePicker() {
const input = qs$('#importFilePicker');
// Reset to empty string, this will ensure an change event is properly
// triggered if the user pick a file, even if it is the same as the last
// one picked.
input.value = '';
input.click();
}
/******************************************************************************/
function exportWhitelistToFile() {
const val = getEditorText();
if ( val === '' ) { return; }
const filename =
i18n$('whitelistExportFilename')
.replace('{{datetime}}', uBlockDashboard.dateNowToSensibleString())
.replace(/ +/g, '_');
vAPI.download({
'url': `data:text/plain;charset=utf-8,${encodeURIComponent(val + '\n')}`,
'filename': filename
});
}
/******************************************************************************/
async function applyChanges() {
cachedWhitelist = getEditorText().trim();
await messaging.send('dashboard', {
what: 'setWhitelist',
whitelist: cachedWhitelist,
});
renderWhitelist();
}
function revertChanges() {
setEditorText(cachedWhitelist);
}
/******************************************************************************/
function getCloudData() {
return getEditorText();
}
function setCloudData(data, append) {
if ( typeof data !== 'string' ) { return; }
if ( append ) {
data = uBlockDashboard.mergeNewLines(getEditorText().trim(), data);
}
setEditorText(data.trim());
}
self.cloud.onPush = getCloudData;
self.cloud.onPull = setCloudData;
/******************************************************************************/
self.wikilink = 'https://github.com/gorhill/uBlock/wiki/Dashboard:-Trusted-sites';
self.hasUnsavedData = function() {
return getEditorText().trim() !== cachedWhitelist;
};
/******************************************************************************/
dom.on('#importWhitelistFromFile', 'click', startImportFilePicker);
dom.on('#importFilePicker', 'change', handleImportFilePicker);
dom.on('#exportWhitelistToFile', 'click', exportWhitelistToFile);
dom.on('#whitelistApply', 'click', ( ) => { applyChanges(); });
dom.on('#whitelistRevert', 'click', revertChanges);
renderWhitelist();
/******************************************************************************/
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