/*******************************************************************************

    uBlock Origin Lite - a comprehensive, MV3-compliant content blocker
    Copyright (C) 2014-present 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

*/

/* eslint-disable indent */

// ruleset: fra-0

// Important!
// Isolate from global scope

// Start of local scope
(( ) => {

/******************************************************************************/

// Start of code to inject
const uBOL_preventXhr = function() {

const scriptletGlobals = {}; // eslint-disable-line

const argsList = [["pagead2.googlesyndication.com"],["v.fwmrm.net"],["/ping?token="]];

const hostnamesMap = new Map([["air-journal.fr",0],["systemed.fr",0],["empire-anime.com",0],["ebookdz.com",0],["m6.fr",1],["app.molotov.tv",2]]);

const entitiesMap = new Map([["empire-streaming",0]]);

const exceptionsMap = new Map([]);

/******************************************************************************/

function preventXhr(...args) {
    return preventXhrFn(false, ...args);
}

function preventXhrFn(
    trusted = false,
    propsToMatch = '',
    directive = ''
) {
    if ( typeof propsToMatch !== 'string' ) { return; }
    const safe = safeSelf();
    const scriptletName = trusted ? 'trusted-prevent-xhr' : 'prevent-xhr';
    const logPrefix = safe.makeLogPrefix(scriptletName, propsToMatch, directive);
    const xhrInstances = new WeakMap();
    const propNeedles = parsePropertiesToMatch(propsToMatch, 'url');
    const warOrigin = scriptletGlobals.warOrigin;
    const safeDispatchEvent = (xhr, type) => {
        try {
            xhr.dispatchEvent(new Event(type));
        } catch {
        }
    };
    const XHRBefore = XMLHttpRequest.prototype;
    self.XMLHttpRequest = class extends self.XMLHttpRequest {
        open(method, url, ...args) {
            xhrInstances.delete(this);
            if ( warOrigin !== undefined && url.startsWith(warOrigin) ) {
                return super.open(method, url, ...args);
            }
            const haystack = { method, url };
            if ( propsToMatch === '' && directive === '' ) {
                safe.uboLog(logPrefix, `Called: ${safe.JSON_stringify(haystack, null, 2)}`);
                return super.open(method, url, ...args);
            }
            if ( matchObjectProperties(propNeedles, haystack) ) {
                const xhrDetails = Object.assign(haystack, {
                    xhr: this,
                    defer: args.length === 0 || !!args[0],
                    directive,
                    headers: {
                        'date': '',
                        'content-type': '',
                        'content-length': '',
                    },
                    url: haystack.url,
                    props: {
                        response: { value: '' },
                        responseText: { value: '' },
                        responseXML: { value: null },
                    },
                });
                xhrInstances.set(this, xhrDetails);
            }
            return super.open(method, url, ...args);
        }
        send(...args) {
            const xhrDetails = xhrInstances.get(this);
            if ( xhrDetails === undefined ) {
                return super.send(...args);
            }
            xhrDetails.headers['date'] = (new Date()).toUTCString();
            let xhrText = '';
            switch ( this.responseType ) {
            case 'arraybuffer':
                xhrDetails.props.response.value = new ArrayBuffer(0);
                xhrDetails.headers['content-type'] = 'application/octet-stream';
                break;
            case 'blob':
                xhrDetails.props.response.value = new Blob([]);
                xhrDetails.headers['content-type'] = 'application/octet-stream';
                break;
            case 'document': {
                const parser = new DOMParser();
                const doc = parser.parseFromString('', 'text/html');
                xhrDetails.props.response.value = doc;
                xhrDetails.props.responseXML.value = doc;
                xhrDetails.headers['content-type'] = 'text/html';
                break;
            }
            case 'json':
                xhrDetails.props.response.value = {};
                xhrDetails.props.responseText.value = '{}';
                xhrDetails.headers['content-type'] = 'application/json';
                break;
            default: {
                if ( directive === '' ) { break; }
                xhrText = generateContentFn(trusted, xhrDetails.directive);
                if ( xhrText instanceof Promise ) {
                    xhrText = xhrText.then(text => {
                        xhrDetails.props.response.value = text;
                        xhrDetails.props.responseText.value = text;
                    });
                } else {
                    xhrDetails.props.response.value = xhrText;
                    xhrDetails.props.responseText.value = xhrText;
                }
                xhrDetails.headers['content-type'] = 'text/plain';
                break;
            }
            }
            if ( xhrDetails.defer === false ) {
                xhrDetails.headers['content-length'] = `${xhrDetails.props.response.value}`.length;
                Object.defineProperties(xhrDetails.xhr, {
                    readyState: { value: 4 },
                    responseURL: { value: xhrDetails.url },
                    status: { value: 200 },
                    statusText: { value: 'OK' },
                });
                Object.defineProperties(xhrDetails.xhr, xhrDetails.props);
                return;
            }
            Promise.resolve(xhrText).then(( ) => xhrDetails).then(details => {
                Object.defineProperties(details.xhr, {
                    readyState: { value: 1, configurable: true },
                    responseURL: { value: xhrDetails.url },
                });
                safeDispatchEvent(details.xhr, 'readystatechange');
                return details;
            }).then(details => {
                xhrDetails.headers['content-length'] = `${details.props.response.value}`.length;
                Object.defineProperties(details.xhr, {
                    readyState: { value: 2, configurable: true },
                    status: { value: 200 },
                    statusText: { value: 'OK' },
                });
                safeDispatchEvent(details.xhr, 'readystatechange');
                return details;
            }).then(details => {
                Object.defineProperties(details.xhr, {
                    readyState: { value: 3, configurable: true },
                });
                Object.defineProperties(details.xhr, details.props);
                safeDispatchEvent(details.xhr, 'readystatechange');
                return details;
            }).then(details => {
                Object.defineProperties(details.xhr, {
                    readyState: { value: 4 },
                });
                safeDispatchEvent(details.xhr, 'readystatechange');
                safeDispatchEvent(details.xhr, 'load');
                safeDispatchEvent(details.xhr, 'loadend');
                safe.uboLog(logPrefix, `Prevented with response:\n${details.xhr.response}`);
            });
        }
        getResponseHeader(headerName) {
            const xhrDetails = xhrInstances.get(this);
            if ( xhrDetails === undefined || this.readyState < this.HEADERS_RECEIVED ) {
                return super.getResponseHeader(headerName);
            }
            const value = xhrDetails.headers[headerName.toLowerCase()];
            if ( value !== undefined && value !== '' ) { return value; }
            return null;
        }
        getAllResponseHeaders() {
            const xhrDetails = xhrInstances.get(this);
            if ( xhrDetails === undefined || this.readyState < this.HEADERS_RECEIVED ) {
                return super.getAllResponseHeaders();
            }
            const out = [];
            for ( const [ name, value ] of Object.entries(xhrDetails.headers) ) {
                if ( !value ) { continue; }
                out.push(`${name}: ${value}`);
            }
            if ( out.length !== 0 ) { out.push(''); }
            return out.join('\r\n');
        }
    };
    self.XMLHttpRequest.prototype.open.toString = function() {
        return XHRBefore.open.toString();
    };
    self.XMLHttpRequest.prototype.send.toString = function() {
        return XHRBefore.send.toString();
    };
    self.XMLHttpRequest.prototype.getResponseHeader.toString = function() {
        return XHRBefore.getResponseHeader.toString();
    };
    self.XMLHttpRequest.prototype.getAllResponseHeaders.toString = function() {
        return XHRBefore.getAllResponseHeaders.toString();
    };
}

function generateContentFn(trusted, directive) {
    const safe = safeSelf();
    const randomize = len => {
        const chunks = [];
        let textSize = 0;
        do {
            const s = safe.Math_random().toString(36).slice(2);
            chunks.push(s);
            textSize += s.length;
        }
        while ( textSize < len );
        return chunks.join(' ').slice(0, len);
    };
    if ( directive === 'true' ) {
        return randomize(10);
    }
    if ( directive === 'emptyObj' ) {
        return '{}';
    }
    if ( directive === 'emptyArr' ) {
        return '[]';
    }
    if ( directive === 'emptyStr' ) {
        return '';
    }
    if ( directive.startsWith('length:') ) {
        const match = /^length:(\d+)(?:-(\d+))?$/.exec(directive);
        if ( match === null ) { return ''; }
        const min = parseInt(match[1], 10);
        const extent = safe.Math_max(parseInt(match[2], 10) || 0, min) - min;
        const len = safe.Math_min(min + extent * safe.Math_random(), 500000);
        return randomize(len | 0);
    }
    if ( directive.startsWith('war:') ) {
        if ( scriptletGlobals.warOrigin === undefined ) { return ''; }
        return new Promise(resolve => {
            const warOrigin = scriptletGlobals.warOrigin;
            const warName = directive.slice(4);
            const fullpath = [ warOrigin, '/', warName ];
            const warSecret = scriptletGlobals.warSecret;
            if ( warSecret !== undefined ) {
                fullpath.push('?secret=', warSecret);
            }
            const warXHR = new safe.XMLHttpRequest();
            warXHR.responseType = 'text';
            warXHR.onloadend = ev => {
                resolve(ev.target.responseText || '');
            };
            warXHR.open('GET', fullpath.join(''));
            warXHR.send();
        }).catch(( ) => '');
    }
    if ( trusted ) {
        return directive;
    }
    return '';
}

function matchObjectProperties(propNeedles, ...objs) {
    if ( matchObjectProperties.extractProperties === undefined ) {
        matchObjectProperties.extractProperties = (src, des, props) => {
            for ( const p of props ) {
                const v = src[p];
                if ( v === undefined ) { continue; }
                des[p] = src[p];
            }
        };
    }
    const safe = safeSelf();
    const haystack = {};
    const props = safe.Array_from(propNeedles.keys());
    for ( const obj of objs ) {
        if ( obj instanceof Object === false ) { continue; }
        matchObjectProperties.extractProperties(obj, haystack, props);
    }
    for ( const [ prop, details ] of propNeedles ) {
        let value = haystack[prop];
        if ( value === undefined ) { continue; }
        if ( typeof value !== 'string' ) {
            try { value = safe.JSON_stringify(value); }
            catch { }
            if ( typeof value !== 'string' ) { continue; }
        }
        if ( safe.testPattern(details, value) ) { continue; }
        return false;
    }
    return true;
}

function parsePropertiesToMatch(propsToMatch, implicit = '') {
    const safe = safeSelf();
    const needles = new Map();
    if ( propsToMatch === undefined || propsToMatch === '' ) { return needles; }
    const options = { canNegate: true };
    for ( const needle of safe.String_split.call(propsToMatch, /\s+/) ) {
        let [ prop, pattern ] = safe.String_split.call(needle, ':');
        if ( prop === '' ) { continue; }
        if ( pattern !== undefined && /[^$\w -]/.test(prop) ) {
            prop = `${prop}:${pattern}`;
            pattern = undefined;
        }
        if ( pattern !== undefined ) {
            needles.set(prop, safe.initPattern(pattern, options));
        } else if ( implicit !== '' ) {
            needles.set(implicit, safe.initPattern(prop, options));
        }
    }
    return needles;
}

function safeSelf() {
    if ( scriptletGlobals.safeSelf ) {
        return scriptletGlobals.safeSelf;
    }
    const self = globalThis;
    const safe = {
        'Array_from': Array.from,
        'Error': self.Error,
        'Function_toStringFn': self.Function.prototype.toString,
        'Function_toString': thisArg => safe.Function_toStringFn.call(thisArg),
        'Math_floor': Math.floor,
        'Math_max': Math.max,
        'Math_min': Math.min,
        'Math_random': Math.random,
        'Object': Object,
        'Object_defineProperty': Object.defineProperty.bind(Object),
        'Object_defineProperties': Object.defineProperties.bind(Object),
        'Object_fromEntries': Object.fromEntries.bind(Object),
        'Object_getOwnPropertyDescriptor': Object.getOwnPropertyDescriptor.bind(Object),
        'RegExp': self.RegExp,
        'RegExp_test': self.RegExp.prototype.test,
        'RegExp_exec': self.RegExp.prototype.exec,
        'Request_clone': self.Request.prototype.clone,
        'String_fromCharCode': String.fromCharCode,
        'String_split': String.prototype.split,
        'XMLHttpRequest': self.XMLHttpRequest,
        'addEventListener': self.EventTarget.prototype.addEventListener,
        'removeEventListener': self.EventTarget.prototype.removeEventListener,
        'fetch': self.fetch,
        'JSON': self.JSON,
        'JSON_parseFn': self.JSON.parse,
        'JSON_stringifyFn': self.JSON.stringify,
        'JSON_parse': (...args) => safe.JSON_parseFn.call(safe.JSON, ...args),
        'JSON_stringify': (...args) => safe.JSON_stringifyFn.call(safe.JSON, ...args),
        'log': console.log.bind(console),
        // Properties
        logLevel: 0,
        // Methods
        makeLogPrefix(...args) {
            return this.sendToLogger && `[${args.join(' \u205D ')}]` || '';
        },
        uboLog(...args) {
            if ( this.sendToLogger === undefined ) { return; }
            if ( args === undefined || args[0] === '' ) { return; }
            return this.sendToLogger('info', ...args);
            
        },
        uboErr(...args) {
            if ( this.sendToLogger === undefined ) { return; }
            if ( args === undefined || args[0] === '' ) { return; }
            return this.sendToLogger('error', ...args);
        },
        escapeRegexChars(s) {
            return s.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
        },
        initPattern(pattern, options = {}) {
            if ( pattern === '' ) {
                return { matchAll: true, expect: true };
            }
            const expect = (options.canNegate !== true || pattern.startsWith('!') === false);
            if ( expect === false ) {
                pattern = pattern.slice(1);
            }
            const match = /^\/(.+)\/([gimsu]*)$/.exec(pattern);
            if ( match !== null ) {
                return {
                    re: new this.RegExp(
                        match[1],
                        match[2] || options.flags
                    ),
                    expect,
                };
            }
            if ( options.flags !== undefined ) {
                return {
                    re: new this.RegExp(this.escapeRegexChars(pattern),
                        options.flags
                    ),
                    expect,
                };
            }
            return { pattern, expect };
        },
        testPattern(details, haystack) {
            if ( details.matchAll ) { return true; }
            if ( details.re ) {
                return this.RegExp_test.call(details.re, haystack) === details.expect;
            }
            return haystack.includes(details.pattern) === details.expect;
        },
        patternToRegex(pattern, flags = undefined, verbatim = false) {
            if ( pattern === '' ) { return /^/; }
            const match = /^\/(.+)\/([gimsu]*)$/.exec(pattern);
            if ( match === null ) {
                const reStr = this.escapeRegexChars(pattern);
                return new RegExp(verbatim ? `^${reStr}$` : reStr, flags);
            }
            try {
                return new RegExp(match[1], match[2] || undefined);
            }
            catch {
            }
            return /^/;
        },
        getExtraArgs(args, offset = 0) {
            const entries = args.slice(offset).reduce((out, v, i, a) => {
                if ( (i & 1) === 0 ) {
                    const rawValue = a[i+1];
                    const value = /^\d+$/.test(rawValue)
                        ? parseInt(rawValue, 10)
                        : rawValue;
                    out.push([ a[i], value ]);
                }
                return out;
            }, []);
            return this.Object_fromEntries(entries);
        },
        onIdle(fn, options) {
            if ( self.requestIdleCallback ) {
                return self.requestIdleCallback(fn, options);
            }
            return self.requestAnimationFrame(fn);
        },
        offIdle(id) {
            if ( self.requestIdleCallback ) {
                return self.cancelIdleCallback(id);
            }
            return self.cancelAnimationFrame(id);
        }
    };
    scriptletGlobals.safeSelf = safe;
    if ( scriptletGlobals.bcSecret === undefined ) { return safe; }
    // This is executed only when the logger is opened
    safe.logLevel = scriptletGlobals.logLevel || 1;
    let lastLogType = '';
    let lastLogText = '';
    let lastLogTime = 0;
    safe.toLogText = (type, ...args) => {
        if ( args.length === 0 ) { return; }
        const text = `[${document.location.hostname || document.location.href}]${args.join(' ')}`;
        if ( text === lastLogText && type === lastLogType ) {
            if ( (Date.now() - lastLogTime) < 5000 ) { return; }
        }
        lastLogType = type;
        lastLogText = text;
        lastLogTime = Date.now();
        return text;
    };
    try {
        const bc = new self.BroadcastChannel(scriptletGlobals.bcSecret);
        let bcBuffer = [];
        safe.sendToLogger = (type, ...args) => {
            const text = safe.toLogText(type, ...args);
            if ( text === undefined ) { return; }
            if ( bcBuffer === undefined ) {
                return bc.postMessage({ what: 'messageToLogger', type, text });
            }
            bcBuffer.push({ type, text });
        };
        bc.onmessage = ev => {
            const msg = ev.data;
            switch ( msg ) {
            case 'iamready!':
                if ( bcBuffer === undefined ) { break; }
                bcBuffer.forEach(({ type, text }) =>
                    bc.postMessage({ what: 'messageToLogger', type, text })
                );
                bcBuffer = undefined;
                break;
            case 'setScriptletLogLevelToOne':
                safe.logLevel = 1;
                break;
            case 'setScriptletLogLevelToTwo':
                safe.logLevel = 2;
                break;
            }
        };
        bc.postMessage('areyouready?');
    } catch {
        safe.sendToLogger = (type, ...args) => {
            const text = safe.toLogText(type, ...args);
            if ( text === undefined ) { return; }
            safe.log(`uBO ${text}`);
        };
    }
    return safe;
}

/******************************************************************************/

const hnParts = [];
try {
    let origin = document.location.origin;
    if ( origin === 'null' ) {
        const origins = document.location.ancestorOrigins;
        for ( let i = 0; i < origins.length; i++ ) {
            origin = origins[i];
            if ( origin !== 'null' ) { break; }
        }
    }
    const pos = origin.lastIndexOf('://');
    if ( pos === -1 ) { return; }
    hnParts.push(...origin.slice(pos+3).split('.'));
} catch {
}
const hnpartslen = hnParts.length;
if ( hnpartslen === 0 ) { return; }

const todoIndices = new Set();
const tonotdoIndices = [];

// Exceptions
if ( exceptionsMap.size !== 0 ) {
    for ( let i = 0; i < hnpartslen; i++ ) {
        const hn = hnParts.slice(i).join('.');
        const excepted = exceptionsMap.get(hn);
        if ( excepted ) { tonotdoIndices.push(...excepted); }
    }
    exceptionsMap.clear();
}

// Hostname-based
if ( hostnamesMap.size !== 0 ) {
    const collectArgIndices = hn => {
        let argsIndices = hostnamesMap.get(hn);
        if ( argsIndices === undefined ) { return; }
        if ( typeof argsIndices === 'number' ) { argsIndices = [ argsIndices ]; }
        for ( const argsIndex of argsIndices ) {
            if ( tonotdoIndices.includes(argsIndex) ) { continue; }
            todoIndices.add(argsIndex);
        }
    };
    for ( let i = 0; i < hnpartslen; i++ ) {
        const hn = hnParts.slice(i).join('.');
        collectArgIndices(hn);
    }
    collectArgIndices('*');
    hostnamesMap.clear();
}

// Entity-based
if ( entitiesMap.size !== 0 ) {
    const n = hnpartslen - 1;
    for ( let i = 0; i < n; i++ ) {
        for ( let j = n; j > i; j-- ) {
            const en = hnParts.slice(i,j).join('.');
            let argsIndices = entitiesMap.get(en);
            if ( argsIndices === undefined ) { continue; }
            if ( typeof argsIndices === 'number' ) { argsIndices = [ argsIndices ]; }
            for ( const argsIndex of argsIndices ) {
                if ( tonotdoIndices.includes(argsIndex) ) { continue; }
                todoIndices.add(argsIndex);
            }
        }
    }
    entitiesMap.clear();
}

// Apply scriplets
for ( const i of todoIndices ) {
    try { preventXhr(...argsList[i]); }
    catch { }
}
argsList.length = 0;

/******************************************************************************/

};
// End of code to inject

/******************************************************************************/

uBOL_preventXhr();

/******************************************************************************/

// End of local scope
})();

/******************************************************************************/

void 0;
