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

    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: swe-1

// Important!
// Isolate from global scope

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

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

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

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

const argsList = [["a[href*=\"/t?a=\"]","?url"],["a[href*=\".io/c/\"]","?u"],["a[href*=\"/idg.digidip.net/\"]","?url"],["a[href*=\"metromode.se/bouncer\"]","?url"]];

const hostnamesMap = new Map([["aftonbladet.se",0],["livsstil.se",0],["godare.se",0],["byggahus.se",0],["expressen.se",0],["elle.se",[0,1]],["femina.se",[0,1]],["svenskdam.se",[0,1]],["galamagasin.se",0],["rodeo.net",0],["familjeliv.se",0],["vitaestilo.se",0],["allas.se",1],["hant.se",1],["mabra.com",1],["residencemagazine.se",1],["motherhood.se",1],["m3.se",2],["pcforalla.se",2],["macworld.se",2],["metromode.se",3]]);

const entitiesMap = new Map([]);

const exceptionsMap = new Map([]);

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

function hrefSanitizer(
    selector = '',
    source = ''
) {
    if ( typeof selector !== 'string' ) { return; }
    if ( selector === '' ) { return; }
    const safe = safeSelf();
    const logPrefix = safe.makeLogPrefix('href-sanitizer', selector, source);
    if ( source === '' ) { source = 'text'; }
    const sanitizeCopycats = (href, text) => {
        let elems = [];
        try {
            elems = document.querySelectorAll(`a[href="${href}"`);
        }
        catch {
        }
        for ( const elem of elems ) {
            elem.setAttribute('href', text);
        }
        return elems.length;
    };
    const validateURL = text => {
        if ( typeof text !== 'string' ) { return ''; }
        if ( text === '' ) { return ''; }
        if ( /[\x00-\x20\x7f]/.test(text) ) { return ''; }
        try {
            const url = new URL(text, document.location);
            return url.href;
        } catch {
        }
        return '';
    };
    const extractParam = (href, source) => {
        if ( Boolean(source) === false ) { return href; }
        const recursive = source.includes('?', 1);
        const end = recursive ? source.indexOf('?', 1) : source.length;
        try {
            const url = new URL(href, document.location);
            let value = url.searchParams.get(source.slice(1, end));
            if ( value === null ) { return href }
            if ( recursive ) { return extractParam(value, source.slice(end)); }
            return value;
        } catch {
        }
        return href;
    };
    const extractURL = (elem, source) => {
        if ( /^\[.*\]$/.test(source) ) {
            return elem.getAttribute(source.slice(1,-1).trim()) || '';
        }
        if ( source === 'text' ) {
            return elem.textContent
                .replace(/^[^\x21-\x7e]+/, '') // remove leading invalid characters
                .replace(/[^\x21-\x7e]+$/, '') // remove trailing invalid characters
            ;
        }
        if ( source.startsWith('?') === false ) { return ''; }
        const steps = source.replace(/(\S)\?/g, '\\1?').split(/\s+/);
        const url = steps.length === 1
            ? extractParam(elem.href, source)
            : urlSkip(elem.href, false, steps);
        if ( url === undefined ) { return; }
        return url.replace(/ /g, '%20');
    };
    const sanitize = ( ) => {
        let elems = [];
        try {
            elems = document.querySelectorAll(selector);
        }
        catch {
            return false;
        }
        for ( const elem of elems ) {
            if ( elem.localName !== 'a' ) { continue; }
            if ( elem.hasAttribute('href') === false ) { continue; }
            const href = elem.getAttribute('href');
            const text = extractURL(elem, source);
            const hrefAfter = validateURL(text);
            if ( hrefAfter === '' ) { continue; }
            if ( hrefAfter === href ) { continue; }
            elem.setAttribute('href', hrefAfter);
            const count = sanitizeCopycats(href, hrefAfter);
            safe.uboLog(logPrefix, `Sanitized ${count+1} links to\n${hrefAfter}`);
        }
        return true;
    };
    let observer, timer;
    const onDomChanged = mutations => {
        if ( timer !== undefined ) { return; }
        let shouldSanitize = false;
        for ( const mutation of mutations ) {
            if ( mutation.addedNodes.length === 0 ) { continue; }
            for ( const node of mutation.addedNodes ) {
                if ( node.nodeType !== 1 ) { continue; }
                shouldSanitize = true;
                break;
            }
            if ( shouldSanitize ) { break; }
        }
        if ( shouldSanitize === false ) { return; }
        timer = safe.onIdle(( ) => {
            timer = undefined;
            sanitize();
        });
    };
    const start = ( ) => {
        if ( sanitize() === false ) { return; }
        observer = new MutationObserver(onDomChanged);
        observer.observe(document.body, {
            subtree: true,
            childList: true,
        });
    };
    runAt(( ) => { start(); }, 'interactive');
}

function runAt(fn, when) {
    const intFromReadyState = state => {
        const targets = {
            'loading': 1, 'asap': 1,
            'interactive': 2, 'end': 2, '2': 2,
            'complete': 3, 'idle': 3, '3': 3,
        };
        const tokens = Array.isArray(state) ? state : [ state ];
        for ( const token of tokens ) {
            const prop = `${token}`;
            if ( targets.hasOwnProperty(prop) === false ) { continue; }
            return targets[prop];
        }
        return 0;
    };
    const runAt = intFromReadyState(when);
    if ( intFromReadyState(document.readyState) >= runAt ) {
        fn(); return;
    }
    const onStateChange = ( ) => {
        if ( intFromReadyState(document.readyState) < runAt ) { return; }
        fn();
        safe.removeEventListener.apply(document, args);
    };
    const safe = safeSelf();
    const args = [ 'readystatechange', onStateChange, { capture: true } ];
    safe.addEventListener.apply(document, args);
}

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;
}

function urlSkip(url, blocked, steps, directive = {}) {
    try {
        let redirectBlocked = false;
        let urlout = url;
        for ( const step of steps ) {
            const urlin = urlout;
            const c0 = step.charCodeAt(0);
            // Extract from hash
            if ( c0 === 0x23 && step === '#' ) { // #
                const pos = urlin.indexOf('#');
                urlout = pos !== -1 ? urlin.slice(pos+1) : '';
                continue;
            }
            // Extract from URL parameter name at position i
            if ( c0 === 0x26 ) { // &
                const i = (parseInt(step.slice(1)) || 0) - 1;
                if ( i < 0 ) { return; }
                const url = new URL(urlin);
                if ( i >= url.searchParams.size ) { return; }
                const params = Array.from(url.searchParams.keys());
                urlout = decodeURIComponent(params[i]);
                continue;
            }
            // Enforce https
            if ( c0 === 0x2B && step === '+https' ) { // +
                const s = urlin.replace(/^https?:\/\//, '');
                if ( /^[\w-]:\/\//.test(s) ) { return; }
                urlout = `https://${s}`;
                continue;
            }
            // Decode
            if ( c0 === 0x2D ) { // -
                // Base64
                if ( step === '-base64' ) {
                    urlout = self.atob(urlin);
                    continue;
                }
                // Safe Base64
                if ( step === '-safebase64' ) {
                    if ( urlSkip.safeBase64Replacer === undefined ) {
                        urlSkip.safeBase64Map = { '-': '+', '_': '/' };
                        urlSkip.safeBase64Replacer = s => urlSkip.safeBase64Map[s];
                    }
                    urlout = urlin.replace(/[-_]/g, urlSkip.safeBase64Replacer);
                    urlout = self.atob(urlout);
                    continue;
                }
                // URI component
                if ( step === '-uricomponent' ) {
                    urlout = decodeURIComponent(urlin);
                    continue;
                }
                // Enable skip of blocked requests
                if ( step === '-blocked' ) {
                    redirectBlocked = true;
                    continue;
                }
            }
            // Regex extraction from first capture group
            if ( c0 === 0x2F ) { // /
                const re = directive.cache ?? new RegExp(step.slice(1, -1));
                if ( directive.cache === null ) {
                    directive.cache = re;
                }
                const match = re.exec(urlin);
                if ( match === null ) { return; }
                if ( match.length <= 1 ) { return; }
                urlout = match[1];
                continue;
            }
            // Extract from URL parameter
            if ( c0 === 0x3F ) { // ?
                urlout = (new URL(urlin)).searchParams.get(step.slice(1));
                if ( urlout === null ) { return; }
                if ( urlout.includes(' ') ) {
                    urlout = urlout.replace(/ /g, '%20');
                }
                continue;
            }
            // Unknown directive
            return;
        }
        const urlfinal = new URL(urlout);
        if ( urlfinal.protocol !== 'https:' ) {
            if ( urlfinal.protocol !== 'http:' ) { return; }
            urlout = urlout.replace('http', 'https');
        }
        if ( blocked && redirectBlocked !== true ) { return; }
        return urlout;
    } catch {
    }
}

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

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 { hrefSanitizer(...argsList[i]); }
    catch { }
}
argsList.length = 0;

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

};
// End of code to inject

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

uBOL_hrefSanitizer();

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

// End of local scope
})();

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

void 0;
