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/*******************************************************************************
ηMatrix - a browser extension to black/white list requests.
Copyright (C) 2014-2019 Raymond Hill
Copyright (C) 2019 Alessio Vanni
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://gitlab.com/vannilla/ematrix
uMatrix Home: https://github.com/gorhill/uMatrix
*/
/* global vAPI, uDom */
/******************************************************************************/
// This file should always be included at the end of the `body` tag, so as
// to ensure all i18n targets are already loaded.
(function() {
'use strict';
/******************************************************************************/
// https://github.com/gorhill/uBlock/issues/2084
// Anything else than <a>, <b>, <code>, <em>, <i>, <input>, and <span> will
// be rendered as plain text.
// For <input>, only the type attribute is allowed.
// For <a>, only href attribute must be present, and it MUST starts with
// `https://`, and includes no single- or double-quotes.
// No HTML entities are allowed, there is code to handle existing HTML
// entities already present in translation files until they are all gone.
var reSafeTags = /^([\s\S]*?)<(b|blockquote|code|em|i|kbd|span|sup)>(.+?)<\/\2>([\s\S]*)$/,
reSafeInput = /^([\s\S]*?)<(input type="[^"]+")>(.*?)([\s\S]*)$/,
reInput = /^input type=(['"])([a-z]+)\1$/,
reSafeLink = /^([\s\S]*?)<(a href=['"]https?:\/\/[^'" <>]+['"])>(.+?)<\/a>([\s\S]*)$/,
reLink = /^a href=(['"])(https?:\/\/[^'"]+)\1$/;
var safeTextToTagNode = function(text) {
var matches, node;
if ( text.lastIndexOf('a ', 0) === 0 ) {
matches = reLink.exec(text);
if ( matches === null ) { return null; }
node = document.createElement('a');
node.setAttribute('href', matches[2]);
return node;
}
if ( text.lastIndexOf('input ', 0) === 0 ) {
matches = reInput.exec(text);
if ( matches === null ) { return null; }
node = document.createElement('input');
node.setAttribute('type', matches[2]);
return node;
}
// Firefox extension validator warns if using a variable as argument for
// document.createElement().
switch ( text ) {
case 'b':
return document.createElement('b');
case 'blockquote':
return document.createElement('blockquote');
case 'code':
return document.createElement('code');
case 'em':
return document.createElement('em');
case 'i':
return document.createElement('i');
case 'kbd':
return document.createElement('kbd');
case 'span':
return document.createElement('span');
case 'sup':
return document.createElement('sup');
default:
break;
}
};
var safeTextToTextNode = function(text) {
// TODO: remove once no more HTML entities in translation files.
if ( text.indexOf('&') !== -1 ) {
text = text.replace(/“/g, '“')
.replace(/”/g, '”')
.replace(/‘/g, '‘')
.replace(/’/g, '’');
}
return document.createTextNode(text);
};
var safeTextToDOM = function(text, parent) {
if ( text === '' ) { return; }
// Fast path (most common).
if ( text.indexOf('<') === -1 ) {
return parent.appendChild(safeTextToTextNode(text));
}
// Slow path.
// `<p>` no longer allowed. Code below can be remove once all <p>'s are
// gone from translation files.
text = text.replace(/^<p>|<\/p>/g, '')
.replace(/<p>/g, '\n\n');
// Parse allowed HTML tags.
var matches,
matches1 = reSafeTags.exec(text),
matches2 = reSafeLink.exec(text);
if ( matches1 !== null && matches2 !== null ) {
matches = matches1.index < matches2.index ? matches1 : matches2;
} else if ( matches1 !== null ) {
matches = matches1;
} else if ( matches2 !== null ) {
matches = matches2;
} else {
matches = reSafeInput.exec(text);
}
if ( matches === null ) {
parent.appendChild(safeTextToTextNode(text));
return;
}
safeTextToDOM(matches[1], parent);
var node = safeTextToTagNode(matches[2]) || parent;
safeTextToDOM(matches[3], node);
parent.appendChild(node);
safeTextToDOM(matches[4], parent);
};
/******************************************************************************/
// Helper to deal with the i18n'ing of HTML files.
vAPI.i18n.render = function(context) {
var docu = document,
root = context || docu,
elems, n, i, elem, text;
elems = root.querySelectorAll('[data-i18n]');
n = elems.length;
for ( i = 0; i < n; i++ ) {
elem = elems[i];
text = vAPI.i18n(elem.getAttribute('data-i18n'));
if ( !text ) { continue; }
// TODO: remove once it's all replaced with <input type="...">
if ( text.indexOf('{') !== -1 ) {
text = text.replace(/\{\{input:([^}]+)\}\}/g, '<input type="$1">');
}
safeTextToDOM(text, elem);
}
uDom('[title]', context).forEach(function(elem) {
var title = vAPI.i18n(elem.attr('title'));
if ( title ) {
elem.attr('title', title);
}
});
uDom('[placeholder]', context).forEach(function(elem) {
elem.attr('placeholder', vAPI.i18n(elem.attr('placeholder')));
});
uDom('[data-i18n-tip]', context).forEach(function(elem) {
elem.attr(
'data-tip',
vAPI.i18n(elem.attr('data-i18n-tip'))
.replace(/<br>/g, '\n')
.replace(/\n{3,}/g, '\n\n')
);
});
};
vAPI.i18n.render();
/******************************************************************************/
vAPI.i18n.renderElapsedTimeToString = function(tstamp) {
var value = (Date.now() - tstamp) / 60000;
if ( value < 2 ) {
return vAPI.i18n('elapsedOneMinuteAgo');
}
if ( value < 60 ) {
return vAPI.i18n('elapsedManyMinutesAgo').replace('{{value}}', Math.floor(value).toLocaleString());
}
value /= 60;
if ( value < 2 ) {
return vAPI.i18n('elapsedOneHourAgo');
}
if ( value < 24 ) {
return vAPI.i18n('elapsedManyHoursAgo').replace('{{value}}', Math.floor(value).toLocaleString());
}
value /= 24;
if ( value < 2 ) {
return vAPI.i18n('elapsedOneDayAgo');
}
return vAPI.i18n('elapsedManyDaysAgo').replace('{{value}}', Math.floor(value).toLocaleString());
};
/******************************************************************************/
})();
/******************************************************************************/
|
