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

    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

*/

// ruleset: adguard-mobile

// Important!
// Isolate from global scope

// Start of local scope
(function uBOL_jsonPruneXhrResponse() {

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

function jsonPruneXhrResponse(
    rawPrunePaths = '',
    rawNeedlePaths = ''
) {
    const safe = safeSelf();
    const logPrefix = safe.makeLogPrefix('json-prune-xhr-response', rawPrunePaths, rawNeedlePaths);
    const xhrInstances = new WeakMap();
    const extraArgs = safe.getExtraArgs(Array.from(arguments), 2);
    const propNeedles = parsePropertiesToMatchFn(extraArgs.propsToMatch, 'url');
    const stackNeedle = safe.initPattern(extraArgs.stackToMatch || '', { canNegate: true });
    self.XMLHttpRequest = class extends self.XMLHttpRequest {
        open(method, url, ...args) {
            const xhrDetails = { method, url };
            let outcome = 'match';
            if ( propNeedles.size !== 0 ) {
                if ( matchObjectPropertiesFn(propNeedles, xhrDetails) === undefined ) {
                    outcome = 'nomatch';
                }
            }
            if ( outcome === 'match' ) {
                if ( safe.logLevel > 1 ) {
                    safe.uboLog(logPrefix, `Matched optional "propsToMatch", "${extraArgs.propsToMatch}"`);
                }
                xhrInstances.set(this, xhrDetails);
            }
            return super.open(method, url, ...args);
        }
        get response() {
            const innerResponse = super.response;
            const xhrDetails = xhrInstances.get(this);
            if ( xhrDetails === undefined ) {
                return innerResponse;
            }
            const responseLength = typeof innerResponse === 'string'
                ? innerResponse.length
                : undefined;
            if ( xhrDetails.lastResponseLength !== responseLength ) {
                xhrDetails.response = undefined;
                xhrDetails.lastResponseLength = responseLength;
            }
            if ( xhrDetails.response !== undefined ) {
                return xhrDetails.response;
            }
            let objBefore;
            if ( typeof innerResponse === 'object' ) {
                objBefore = innerResponse;
            } else if ( typeof innerResponse === 'string' ) {
                try {
                    objBefore = safe.JSON_parse(innerResponse);
                } catch {
                }
            }
            if ( typeof objBefore !== 'object' ) {
                return (xhrDetails.response = innerResponse);
            }
            const objAfter = objectPruneFn(
                objBefore,
                rawPrunePaths,
                rawNeedlePaths,
                stackNeedle,
                extraArgs
            );
            let outerResponse;
            if ( typeof objAfter === 'object' ) {
                outerResponse = typeof innerResponse === 'string'
                    ? safe.JSON_stringify(objAfter)
                    : objAfter;
                safe.uboLog(logPrefix, 'Pruned');
            } else {
                outerResponse = innerResponse;
            }
            return (xhrDetails.response = outerResponse);
        }
        get responseText() {
            const response = this.response;
            return typeof response !== 'string'
                ? super.responseText
                : response;
        }
    };
}

function matchObjectPropertiesFn(propNeedles, ...objs) {
    const safe = safeSelf();
    const matched = [];
    for ( const obj of objs ) {
        if ( obj instanceof Object === false ) { continue; }
        for ( const [ prop, details ] of propNeedles ) {
            let value = obj[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) === false ) { return; }
            matched.push(`${prop}: ${value}`);
        }
    }
    return matched;
}

function objectPruneFn(
    obj,
    rawPrunePaths,
    rawNeedlePaths,
    stackNeedleDetails = { matchAll: true },
    extraArgs = {}
) {
    if ( typeof rawPrunePaths !== 'string' ) { return; }
    const safe = safeSelf();
    const prunePaths = rawPrunePaths !== ''
        ? safe.String_split.call(rawPrunePaths, / +/)
        : [];
    const needlePaths = prunePaths.length !== 0 && rawNeedlePaths !== ''
        ? safe.String_split.call(rawNeedlePaths, / +/)
        : [];
    if ( stackNeedleDetails.matchAll !== true ) {
        if ( matchesStackTraceFn(stackNeedleDetails, extraArgs.logstack) === false ) {
            return;
        }
    }
    if ( objectPruneFn.mustProcess === undefined ) {
        objectPruneFn.mustProcess = (root, needlePaths) => {
            for ( const needlePath of needlePaths ) {
                if ( objectFindOwnerFn(root, needlePath) === false ) {
                    return false;
                }
            }
            return true;
        };
    }
    if ( prunePaths.length === 0 ) { return; }
    let outcome = 'nomatch';
    if ( objectPruneFn.mustProcess(obj, needlePaths) ) {
        for ( const path of prunePaths ) {
            if ( objectFindOwnerFn(obj, path, true) ) {
                outcome = 'match';
            }
        }
    }
    if ( outcome === 'match' ) { return obj; }
}

function parsePropertiesToMatchFn(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),
        'Object_hasOwn': Object.hasOwn.bind(Object),
        'RegExp': self.RegExp,
        'RegExp_test': self.RegExp.prototype.test,
        'RegExp_exec': self.RegExp.prototype.exec,
        'Request_clone': self.Request.prototype.clone,
        'String': self.String,
        '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 matchesStackTraceFn(
    needleDetails,
    logLevel = ''
) {
    const safe = safeSelf();
    const exceptionToken = getExceptionTokenFn();
    const error = new safe.Error(exceptionToken);
    const docURL = new URL(self.location.href);
    docURL.hash = '';
    // Normalize stack trace
    const reLine = /(.*?@)?(\S+)(:\d+):\d+\)?$/;
    const lines = [];
    for ( let line of safe.String_split.call(error.stack, /[\n\r]+/) ) {
        if ( line.includes(exceptionToken) ) { continue; }
        line = line.trim();
        const match = safe.RegExp_exec.call(reLine, line);
        if ( match === null ) { continue; }
        let url = match[2];
        if ( url.startsWith('(') ) { url = url.slice(1); }
        if ( url === docURL.href ) {
            url = 'inlineScript';
        } else if ( url.startsWith('<anonymous>') ) {
            url = 'injectedScript';
        }
        let fn = match[1] !== undefined
            ? match[1].slice(0, -1)
            : line.slice(0, match.index).trim();
        if ( fn.startsWith('at') ) { fn = fn.slice(2).trim(); }
        let rowcol = match[3];
        lines.push(' ' + `${fn} ${url}${rowcol}:1`.trim());
    }
    lines[0] = `stackDepth:${lines.length-1}`;
    const stack = lines.join('\t');
    const r = needleDetails.matchAll !== true &&
        safe.testPattern(needleDetails, stack);
    if (
        logLevel === 'all' ||
        logLevel === 'match' && r ||
        logLevel === 'nomatch' && !r
    ) {
        safe.uboLog(stack.replace(/\t/g, '\n'));
    }
    return r;
}

function objectFindOwnerFn(
    root,
    path,
    prune = false
) {
    const safe = safeSelf();
    let owner = root;
    let chain = path;
    for (;;) {
        if ( typeof owner !== 'object' || owner === null  ) { return false; }
        const pos = chain.indexOf('.');
        if ( pos === -1 ) {
            if ( prune === false ) {
                return safe.Object_hasOwn(owner, chain);
            }
            let modified = false;
            if ( chain === '*' ) {
                for ( const key in owner ) {
                    if ( safe.Object_hasOwn(owner, key) === false ) { continue; }
                    delete owner[key];
                    modified = true;
                }
            } else if ( safe.Object_hasOwn(owner, chain) ) {
                delete owner[chain];
                modified = true;
            }
            return modified;
        }
        const prop = chain.slice(0, pos);
        const next = chain.slice(pos + 1);
        let found = false;
        if ( prop === '[-]' && Array.isArray(owner) ) {
            let i = owner.length;
            while ( i-- ) {
                if ( objectFindOwnerFn(owner[i], next) === false ) { continue; }
                owner.splice(i, 1);
                found = true;
            }
            return found;
        }
        if ( prop === '{-}' && owner instanceof Object ) {
            for ( const key of Object.keys(owner) ) {
                if ( objectFindOwnerFn(owner[key], next) === false ) { continue; }
                delete owner[key];
                found = true;
            }
            return found;
        }
        if (
            prop === '[]' && Array.isArray(owner) ||
            prop === '{}' && owner instanceof Object ||
            prop === '*' && owner instanceof Object
        ) {
            for ( const key of Object.keys(owner) ) {
                if (objectFindOwnerFn(owner[key], next, prune) === false ) { continue; }
                found = true;
            }
            return found;
        }
        if ( safe.Object_hasOwn(owner, prop) === false ) { return false; }
        owner = owner[prop];
        chain = chain.slice(pos + 1);
    }
}

function getExceptionTokenFn() {
    const token = getRandomTokenFn();
    const oe = self.onerror;
    self.onerror = function(msg, ...args) {
        if ( typeof msg === 'string' && msg.includes(token) ) { return true; }
        if ( oe instanceof Function ) {
            return oe.call(this, msg, ...args);
        }
    }.bind();
    return token;
}

function getRandomTokenFn() {
    const safe = safeSelf();
    return safe.String_fromCharCode(Date.now() % 26 + 97) +
        safe.Math_floor(safe.Math_random() * 982451653 + 982451653).toString(36);
}

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

const scriptletGlobals = {}; // eslint-disable-line
const argsList = [["advertising","","propsToMatch",".json"]];
const hostnamesMap = new Map([["dailymotion.com",0]]);
const exceptionsMap = new Map([]);
const hasEntities = false;
const hasAncestors = false;

const collectArgIndices = (hn, map, out) => {
    let argsIndices = map.get(hn);
    if ( argsIndices === undefined ) { return; }
    if ( typeof argsIndices !== 'number' ) {
        for ( const argsIndex of argsIndices ) {
            out.add(argsIndex);
        }
    } else {
        out.add(argsIndices);
    }
};

const indicesFromHostname = (hostname, suffix = '') => {
    const hnParts = hostname.split('.');
    const hnpartslen = hnParts.length;
    if ( hnpartslen === 0 ) { return; }
    for ( let i = 0; i < hnpartslen; i++ ) {
        const hn = `${hnParts.slice(i).join('.')}${suffix}`;
        collectArgIndices(hn, hostnamesMap, todoIndices);
        collectArgIndices(hn, exceptionsMap, tonotdoIndices);
    }
    if ( hasEntities ) {
        const n = hnpartslen - 1;
        for ( let i = 0; i < n; i++ ) {
            for ( let j = n; j > i; j-- ) {
                const en = `${hnParts.slice(i,j).join('.')}.*${suffix}`;
                collectArgIndices(en, hostnamesMap, todoIndices);
                collectArgIndices(en, exceptionsMap, tonotdoIndices);
            }
        }
    }
};

const entries = (( ) => {
    const docloc = document.location;
    const origins = [ docloc.origin ];
    if ( docloc.ancestorOrigins ) {
        origins.push(...docloc.ancestorOrigins);
    }
    return origins.map((origin, i) => {
        const beg = origin.lastIndexOf('://');
        if ( beg === -1 ) { return; }
        const hn = origin.slice(beg+3)
        const end = hn.indexOf(':');
        return { hn: end === -1 ? hn : hn.slice(0, end), i };
    }).filter(a => a !== undefined);
})();
if ( entries.length === 0 ) { return; }

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

indicesFromHostname(entries[0].hn);
if ( hasAncestors ) {
    for ( const entry of entries ) {
        if ( entry.i === 0 ) { continue; }
        indicesFromHostname(entry.hn, '>>');
    }
}

// Apply scriplets
for ( const i of todoIndices ) {
    if ( tonotdoIndices.has(i) ) { continue; }
    try { jsonPruneXhrResponse(...argsList[i]); }
    catch { }
}

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

// End of local scope
})();

void 0;
