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Add json-edit suite of scriptlets; extend replace= option
Scriptlets added: - json-edit - trusted-json-edit - json-edit-xhr-response - trusted-json-edit-xhr-response - json-edit-fetch-response - trusted-json-edit-fetch-response - jsonl-edit-xhr-response - trusted-jsonl-edit-xhr-response - jsonl-edit-fetch-response - trusted-jsonl-edit-fetch-response These scriptlets are functionally similar to their `json-prune` counterpart, except that they all use the new uBO-flavored JSONPath syntax, and the `trusted-` versions allow to modify values instead of just removing them. The `replace=` filter option has been extended to support applying uBO-flavored JSONPath syntax to the response body. If the `replace=` value starts with `json:` or `jsonl:`, the remaining of the value will be interpreted as a JSONPath directive, which can be used to either remove or modify property in a JSON document.
This commit is contained in:
Raymond Hill
parent
1ce00e4fda
commit
b18daa53aa
@ -28,26 +28,62 @@ export class JSONPath {
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jsonp.compile(query);
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return jsonp;
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}
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static toJSON(obj, stringifier, ...args) {
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return (stringifier || JSON.stringify)(obj, ...args)
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.replace(/\//g, '\\/');
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}
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get value() {
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return this.#compiled && this.#compiled.rval;
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}
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set value(v) {
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if ( this.#compiled === undefined ) { return; }
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this.#compiled.rval = v;
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}
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get valid() {
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return this.#compiled !== undefined;
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}
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compile(query) {
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this.#compiled = this.#compile(query, 0);
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return this.#compiled ? this.#compiled.i : 0;
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const r = this.#compile(query, 0);
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if ( r === undefined ) { return; }
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if ( r.i !== query.length ) {
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if ( query.startsWith('=', r.i) === false ) { return; }
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try { r.rval = JSON.parse(query.slice(r.i+1)); }
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catch { return; }
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}
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this.#compiled = r;
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}
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evaluate(root) {
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if ( this.#compiled === undefined ) { return []; }
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this.root = root;
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return this.#evaluate(this.#compiled.steps, []);
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if ( this.valid === false ) { return []; }
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this.#root = root;
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const paths = this.#evaluate(this.#compiled.steps, []);
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this.#root = null;
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return paths;
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}
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resolvePath(path) {
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if ( path.length === 0 ) { return { value: this.root }; }
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const key = path.at(-1);
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let obj = this.root
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for ( let i = 0, n = path.length-1; i < n; i++ ) {
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obj = obj[path[i]];
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apply(root) {
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if ( this.valid === false ) { return 0; }
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const { rval } = this.#compiled;
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this.#root = root;
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const paths = this.#evaluate(this.#compiled.steps, []);
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const n = paths.length;
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let i = n;
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while ( i-- ) {
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const { obj, key } = this.#resolvePath(paths[i]);
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if ( rval !== undefined ) {
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obj[key] = rval;
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} else if ( Array.isArray(obj) && typeof key === 'number' ) {
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obj.splice(key, 1);
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} else {
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delete obj[key];
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}
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}
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return { obj, key, value: obj[key] };
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this.#root = null;
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return n;
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}
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toString() {
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return JSON.stringify(this.#compiled);
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toJSON(obj, ...args) {
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return JSONPath.toJSON(obj, null, ...args)
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}
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get [Symbol.toStringTag]() {
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return 'JSONPath';
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}
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#UNDEFINED = 0;
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#ROOT = 1;
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@ -57,6 +93,7 @@ export class JSONPath {
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#reUnquotedIdentifier = /^[A-Za-z_][\w]*|^\*/;
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#reExpr = /^([!=^$*]=|[<>]=?)(.+?)\)\]/;
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#reIndice = /^\[-?\d+\]/;
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#root;
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#compiled;
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#compile(query, i) {
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if ( query.length === 0 ) { return; }
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@ -88,7 +125,7 @@ export class JSONPath {
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if ( mv === this.#UNDEFINED ) {
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const step = steps.at(-1);
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if ( step === undefined ) { return; }
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i = this.#compileExpr(step, query, i);
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i = this.#compileExpr(query, step, i);
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break;
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}
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const s = this.#consumeUnquotedIdentifier(query, i);
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@ -166,7 +203,7 @@ export class JSONPath {
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const listout = [];
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const recursive = step.mv === this.#DESCENDANTS;
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for ( const pathin of listin ) {
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const { value: v } = this.resolvePath(pathin);
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const { value: v } = this.#resolvePath(pathin);
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if ( v === null ) { continue; }
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if ( v === undefined ) { continue; }
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const { steps, k } = step;
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@ -298,7 +335,7 @@ export class JSONPath {
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if ( match === null ) { return; }
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return match[0];
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}
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#compileExpr(step, query, i) {
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#compileExpr(query, step, i) {
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const match = this.#reExpr.exec(query.slice(i));
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if ( match === null ) { return i; }
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try {
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@ -308,8 +345,17 @@ export class JSONPath {
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}
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return i + match[1].length + match[2].length;
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}
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#resolvePath(path) {
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if ( path.length === 0 ) { return { value: this.#root }; }
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const key = path.at(-1);
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let obj = this.#root
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for ( let i = 0, n = path.length-1; i < n; i++ ) {
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obj = obj[path[i]];
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}
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return { obj, key, value: obj[key] };
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}
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#evaluateExpr(step, path, out) {
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const { obj: o, key: k } = this.resolvePath(path);
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const { obj: o, key: k } = this.#resolvePath(path);
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const hasOwn = o instanceof Object && Object.hasOwn(o, k);
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const v = o[k];
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let outcome = true;
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666
src/js/resources/json-edit.js
Normal file
666
src/js/resources/json-edit.js
Normal file
@ -0,0 +1,666 @@
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/*******************************************************************************
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uBlock Origin - a comprehensive, efficient content blocker
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Copyright (C) 2019-present Raymond Hill
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see {http://www.gnu.org/licenses/}.
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Home: https://github.com/gorhill/uBlock
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*/
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import {
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matchObjectPropertiesFn,
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parsePropertiesToMatchFn,
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} from './utils.js';
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import { JSONPath } from './shared.js';
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import { proxyApplyFn } from './proxy-apply.js';
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import { registerScriptlet } from './base.js';
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import { safeSelf } from './safe-self.js';
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/******************************************************************************/
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function jsonEditFn(trusted, jsonq = '') {
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const safe = safeSelf();
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const logPrefix = safe.makeLogPrefix(
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`${trusted ? 'trusted-' : ''}json-edit`,
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jsonq
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);
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const jsonp = JSONPath.create(jsonq);
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if ( jsonp.valid === false || jsonp.value !== undefined && trusted !== true ) {
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return safe.uboLog(logPrefix, 'Bad JSONPath query');
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}
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proxyApplyFn('JSON.parse', function(context) {
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const obj = context.reflect();
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if ( jsonp.apply(obj) !== 0 ) { return obj; }
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safe.uboLog(logPrefix, 'Edited');
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if ( safe.logLevel > 1 ) {
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safe.uboLog(logPrefix, `After edit:\n${safe.JSON_stringify(obj, null, 2)}`);
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}
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return obj;
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});
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}
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registerScriptlet(jsonEditFn, {
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name: 'json-edit.fn',
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dependencies: [
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JSONPath,
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proxyApplyFn,
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safeSelf,
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],
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});
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/******************************************************************************/
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/**
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* @scriptlet json-edit.js
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*
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* @description
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* Edit object generated through JSON.parse().
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* Properties can only be removed.
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*
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* @param jsonq
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* A uBO-flavored JSONPath query.
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*
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* */
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function jsonEdit(jsonq = '') {
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jsonEditFn(false, jsonq);
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}
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registerScriptlet(jsonEdit, {
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name: 'json-edit.js',
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dependencies: [
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jsonEditFn,
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],
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});
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/******************************************************************************/
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/**
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* @scriptlet trusted-json-edit.js
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*
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* @description
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* Edit object generated through JSON.parse().
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* Properties can be assigned new values.
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*
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* @param jsonq
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* A uBO-flavored JSONPath query.
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*
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* */
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function trustedJsonEdit(jsonq = '') {
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jsonEditFn(true, jsonq);
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}
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registerScriptlet(trustedJsonEdit, {
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name: 'trusted-json-edit.js',
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requiresTrust: true,
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dependencies: [
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jsonEditFn,
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],
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});
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/******************************************************************************/
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/******************************************************************************/
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function jsonEditXhrResponseFn(trusted, jsonq = '') {
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const safe = safeSelf();
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const logPrefix = safe.makeLogPrefix(
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`${trusted ? 'trusted-' : ''}json-edit-xhr-response`,
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jsonq
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);
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const xhrInstances = new WeakMap();
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const jsonp = JSONPath.create(jsonq);
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if ( jsonp.valid === false || jsonp.value !== undefined && trusted !== true ) {
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return safe.uboLog(logPrefix, 'Bad JSONPath query');
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}
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const extraArgs = safe.getExtraArgs(Array.from(arguments), 2);
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const propNeedles = parsePropertiesToMatchFn(extraArgs.propsToMatch, 'url');
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self.XMLHttpRequest = class extends self.XMLHttpRequest {
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open(method, url, ...args) {
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const xhrDetails = { method, url };
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const matched = propNeedles.size === 0 ||
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matchObjectPropertiesFn(propNeedles, xhrDetails);
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if ( matched ) {
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if ( safe.logLevel > 1 && Array.isArray(matched) ) {
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safe.uboLog(logPrefix, `Matched "propsToMatch":\n\t${matched.join('\n\t')}`);
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}
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xhrInstances.set(this, xhrDetails);
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}
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return super.open(method, url, ...args);
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}
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get response() {
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const innerResponse = super.response;
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const xhrDetails = xhrInstances.get(this);
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if ( xhrDetails === undefined ) { return innerResponse; }
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const responseLength = typeof innerResponse === 'string'
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? innerResponse.length
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: undefined;
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if ( xhrDetails.lastResponseLength !== responseLength ) {
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xhrDetails.response = undefined;
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xhrDetails.lastResponseLength = responseLength;
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}
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if ( xhrDetails.response !== undefined ) {
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return xhrDetails.response;
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}
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let obj;
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if ( typeof innerResponse === 'object' ) {
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obj = innerResponse;
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} else if ( typeof innerResponse === 'string' ) {
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try { obj = safe.JSON_parse(innerResponse); } catch { }
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}
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if ( typeof obj !== 'object' || obj === null || jsonp.apply(obj) === 0 ) {
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return (xhrDetails.response = innerResponse);
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}
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safe.uboLog(logPrefix, 'Edited');
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const outerResponse = typeof innerResponse === 'string'
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? JSONPath.toJSON(obj, safe.JSON_stringify)
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: obj;
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return (xhrDetails.response = outerResponse);
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}
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get responseText() {
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const response = this.response;
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return typeof response !== 'string'
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? super.responseText
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: response;
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}
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};
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}
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registerScriptlet(jsonEditXhrResponseFn, {
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name: 'json-edit-xhr-response.fn',
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dependencies: [
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JSONPath,
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matchObjectPropertiesFn,
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parsePropertiesToMatchFn,
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safeSelf,
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],
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});
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/******************************************************************************/
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/**
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* @scriptlet json-edit-xhr-response.js
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*
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* @description
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* Edit the object fetched through a XHR instance.
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* Properties can only be removed.
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*
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* @param jsonq
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* A uBO-flavored JSONPath query.
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*
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* @param [propsToMatch, value]
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* An optional vararg detailing the arguments to match when xhr.open() is
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* called.
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*
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* */
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function jsonEditXhrResponse(jsonq = '', ...args) {
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jsonEditXhrResponseFn(false, jsonq, ...args);
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}
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registerScriptlet(jsonEditXhrResponse, {
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name: 'json-edit-xhr-response.js',
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dependencies: [
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jsonEditXhrResponseFn,
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],
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});
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/******************************************************************************/
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/**
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* @scriptlet trusted-json-edit-xhr-response.js
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*
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* @description
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* Edit the object fetched through a XHR instance.
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* Properties can be assigned new values.
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*
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* @param jsonq
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* A uBO-flavored JSONPath query.
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*
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* @param [propsToMatch, value]
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* An optional vararg detailing the arguments to match when xhr.open() is
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* called.
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*
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* */
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function trustedJsonEditXhrResponse(jsonq = '', ...args) {
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jsonEditXhrResponseFn(true, jsonq, ...args);
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}
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registerScriptlet(trustedJsonEditXhrResponse, {
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name: 'trusted-json-edit-xhr-response.js',
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requiresTrust: true,
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dependencies: [
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jsonEditXhrResponseFn,
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],
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});
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/******************************************************************************/
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/******************************************************************************/
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function jsonEditFetchResponseFn(trusted, jsonq = '') {
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const safe = safeSelf();
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const logPrefix = safe.makeLogPrefix(
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`${trusted ? 'trusted-' : ''}json-edit-fetch-response`,
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jsonq
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);
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const jsonp = JSONPath.create(jsonq);
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if ( jsonp.valid === false || jsonp.value !== undefined && trusted !== true ) {
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return safe.uboLog(logPrefix, 'Bad JSONPath query');
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}
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const extraArgs = safe.getExtraArgs(Array.from(arguments), 2);
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const propNeedles = parsePropertiesToMatchFn(extraArgs.propsToMatch, 'url');
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proxyApplyFn('fetch', function(context) {
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const args = context.callArgs;
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const fetchPromise = context.reflect();
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if ( propNeedles.size !== 0 ) {
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const objs = [ args[0] instanceof Object ? args[0] : { url: args[0] } ];
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if ( objs[0] instanceof Request ) {
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try {
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objs[0] = safe.Request_clone.call(objs[0]);
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} catch(ex) {
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safe.uboErr(logPrefix, 'Error:', ex);
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}
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}
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if ( args[1] instanceof Object ) {
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objs.push(args[1]);
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}
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const matched = matchObjectPropertiesFn(propNeedles, ...objs);
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if ( matched === undefined ) { return fetchPromise; }
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if ( safe.logLevel > 1 ) {
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safe.uboLog(logPrefix, `Matched "propsToMatch":\n\t${matched.join('\n\t')}`);
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}
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}
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return fetchPromise.then(responseBefore => {
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const response = responseBefore.clone();
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return response.json().then(obj => {
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if ( typeof obj !== 'object' ) { return responseBefore; }
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if ( jsonp.apply(obj) === 0 ) { return responseBefore; }
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safe.uboLog(logPrefix, 'Edited');
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const responseAfter = Response.json(obj, {
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status: responseBefore.status,
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statusText: responseBefore.statusText,
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headers: responseBefore.headers,
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});
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Object.defineProperties(responseAfter, {
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ok: { value: responseBefore.ok },
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redirected: { value: responseBefore.redirected },
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type: { value: responseBefore.type },
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url: { value: responseBefore.url },
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});
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return responseAfter;
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}).catch(reason => {
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safe.uboErr(logPrefix, 'Error:', reason);
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return responseBefore;
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});
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}).catch(reason => {
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safe.uboErr(logPrefix, 'Error:', reason);
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return fetchPromise;
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});
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});
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}
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registerScriptlet(jsonEditFetchResponseFn, {
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name: 'json-edit-fetch-response.fn',
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dependencies: [
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JSONPath,
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matchObjectPropertiesFn,
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parsePropertiesToMatchFn,
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proxyApplyFn,
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safeSelf,
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],
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});
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/******************************************************************************/
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/**
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* @scriptlet json-edit-fetch-response.js
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*
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* @description
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* Edit the object fetched through the fetch API.
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* Properties can only be removed.
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*
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* @param jsonq
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* A uBO-flavored JSONPath query.
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*
|
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* @param [propsToMatch, value]
|
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* An optional vararg detailing the arguments to match when xhr.open() is
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* called.
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*
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* */
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function jsonEditFetchResponse(jsonq = '', ...args) {
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jsonEditFetchResponseFn(false, jsonq, ...args);
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}
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registerScriptlet(jsonEditFetchResponse, {
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||||
name: 'json-edit-fetch-response.js',
|
||||
dependencies: [
|
||||
jsonEditFetchResponseFn,
|
||||
],
|
||||
});
|
||||
|
||||
/******************************************************************************/
|
||||
/**
|
||||
* @scriptlet trusted-json-edit-fetch-response.js
|
||||
*
|
||||
* @description
|
||||
* Edit the object fetched through the fetch API. The trusted version allows
|
||||
* Properties can be assigned new values.
|
||||
*
|
||||
* @param jsonq
|
||||
* A uBO-flavored JSONPath query.
|
||||
*
|
||||
* @param [propsToMatch, value]
|
||||
* An optional vararg detailing the arguments to match when xhr.open() is
|
||||
* called.
|
||||
*
|
||||
* */
|
||||
|
||||
function trustedJsonEditFetchResponse(jsonq = '', ...args) {
|
||||
jsonEditFetchResponseFn(true, jsonq, ...args);
|
||||
}
|
||||
registerScriptlet(trustedJsonEditFetchResponse, {
|
||||
name: 'trusted-json-edit-fetch-response.js',
|
||||
requiresTrust: true,
|
||||
dependencies: [
|
||||
jsonEditFetchResponseFn,
|
||||
],
|
||||
});
|
||||
|
||||
/******************************************************************************/
|
||||
/******************************************************************************/
|
||||
|
||||
function jsonlEditFn(jsonp, text = '') {
|
||||
const safe = safeSelf();
|
||||
const linesBefore = text.split(/\n+/);
|
||||
const linesAfter = [];
|
||||
for ( const lineBefore of linesBefore ) {
|
||||
let obj;
|
||||
try { obj = safe.JSON_parse(lineBefore); } catch { }
|
||||
if ( typeof obj !== 'object' || obj === null ) {
|
||||
linesAfter.push(lineBefore);
|
||||
continue;
|
||||
}
|
||||
if ( jsonp.apply(obj) === 0 ) {
|
||||
linesAfter.push(lineBefore);
|
||||
continue;
|
||||
}
|
||||
linesAfter.push(JSONPath.toJSON(obj, safe.JSON_stringify));
|
||||
}
|
||||
return linesAfter.join('\n');
|
||||
}
|
||||
registerScriptlet(jsonlEditFn, {
|
||||
name: 'jsonl-edit.fn',
|
||||
dependencies: [
|
||||
JSONPath,
|
||||
safeSelf,
|
||||
],
|
||||
});
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
function jsonlEditXhrResponseFn(trusted, jsonq = '') {
|
||||
const safe = safeSelf();
|
||||
const logPrefix = safe.makeLogPrefix(
|
||||
`${trusted ? 'trusted-' : ''}jsonl-edit-xhr-response`,
|
||||
jsonq
|
||||
);
|
||||
const xhrInstances = new WeakMap();
|
||||
const jsonp = JSONPath.create(jsonq);
|
||||
if ( jsonp.valid === false || jsonp.value !== undefined && trusted !== true ) {
|
||||
return safe.uboLog(logPrefix, 'Bad JSONPath query');
|
||||
}
|
||||
const extraArgs = safe.getExtraArgs(Array.from(arguments), 2);
|
||||
const propNeedles = parsePropertiesToMatchFn(extraArgs.propsToMatch, 'url');
|
||||
self.XMLHttpRequest = class extends self.XMLHttpRequest {
|
||||
open(method, url, ...args) {
|
||||
const xhrDetails = { method, url };
|
||||
const matched = propNeedles.size === 0 ||
|
||||
matchObjectPropertiesFn(propNeedles, xhrDetails);
|
||||
if ( matched ) {
|
||||
if ( safe.logLevel > 1 && Array.isArray(matched) ) {
|
||||
safe.uboLog(logPrefix, `Matched "propsToMatch":\n\t${matched.join('\n\t')}`);
|
||||
}
|
||||
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;
|
||||
}
|
||||
if ( typeof innerResponse !== 'string' ) {
|
||||
return (xhrDetails.response = innerResponse);
|
||||
}
|
||||
const outerResponse = jsonlEditFn(jsonp, innerResponse);
|
||||
if ( outerResponse !== innerResponse ) {
|
||||
safe.uboLog(logPrefix, 'Pruned');
|
||||
}
|
||||
return (xhrDetails.response = outerResponse);
|
||||
}
|
||||
get responseText() {
|
||||
const response = this.response;
|
||||
return typeof response !== 'string'
|
||||
? super.responseText
|
||||
: response;
|
||||
}
|
||||
};
|
||||
}
|
||||
registerScriptlet(jsonlEditXhrResponseFn, {
|
||||
name: 'jsonl-edit-xhr-response.fn',
|
||||
dependencies: [
|
||||
JSONPath,
|
||||
jsonlEditFn,
|
||||
matchObjectPropertiesFn,
|
||||
parsePropertiesToMatchFn,
|
||||
safeSelf,
|
||||
],
|
||||
});
|
||||
|
||||
/******************************************************************************/
|
||||
/**
|
||||
* @scriptlet jsonl-edit-xhr-response.js
|
||||
*
|
||||
* @description
|
||||
* Edit the objects found in a JSONL resource fetched through a XHR instance.
|
||||
* Properties can only be removed.
|
||||
*
|
||||
* @param jsonq
|
||||
* A uBO-flavored JSONPath query.
|
||||
*
|
||||
* @param [propsToMatch, value]
|
||||
* An optional vararg detailing the arguments to match when xhr.open() is
|
||||
* called.
|
||||
*
|
||||
* */
|
||||
|
||||
function jsonlEditXhrResponse(jsonq = '', ...args) {
|
||||
jsonlEditXhrResponseFn(false, jsonq, ...args);
|
||||
}
|
||||
registerScriptlet(jsonlEditXhrResponse, {
|
||||
name: 'jsonl-edit-xhr-response.js',
|
||||
dependencies: [
|
||||
jsonlEditXhrResponseFn,
|
||||
],
|
||||
});
|
||||
|
||||
/******************************************************************************/
|
||||
/**
|
||||
* @scriptlet trusted-jsonl-edit-xhr-response.js
|
||||
*
|
||||
* @description
|
||||
* Edit the objects found in a JSONL resource fetched through a XHR instance.
|
||||
* Properties can be assigned new values.
|
||||
*
|
||||
* @param jsonq
|
||||
* A uBO-flavored JSONPath query.
|
||||
*
|
||||
* @param [propsToMatch, value]
|
||||
* An optional vararg detailing the arguments to match when xhr.open() is
|
||||
* called.
|
||||
*
|
||||
* */
|
||||
|
||||
function trustedJsonlEditXhrResponse(jsonq = '', ...args) {
|
||||
jsonlEditXhrResponseFn(true, jsonq, ...args);
|
||||
}
|
||||
registerScriptlet(trustedJsonlEditXhrResponse, {
|
||||
name: 'trusted-jsonl-edit-xhr-response.js',
|
||||
requiresTrust: true,
|
||||
dependencies: [
|
||||
jsonlEditXhrResponseFn,
|
||||
],
|
||||
});
|
||||
|
||||
/******************************************************************************/
|
||||
/******************************************************************************/
|
||||
|
||||
function jsonlEditFetchResponseFn(trusted, jsonq = '') {
|
||||
const safe = safeSelf();
|
||||
const logPrefix = safe.makeLogPrefix(
|
||||
`${trusted ? 'trusted-' : ''}jsonl-edit-fetch-response`,
|
||||
jsonq
|
||||
);
|
||||
const jsonp = JSONPath.create(jsonq);
|
||||
if ( jsonp.valid === false || jsonp.value !== undefined && trusted !== true ) {
|
||||
return safe.uboLog(logPrefix, 'Bad JSONPath query');
|
||||
}
|
||||
const extraArgs = safe.getExtraArgs(Array.from(arguments), 2);
|
||||
const propNeedles = parsePropertiesToMatchFn(extraArgs.propsToMatch, 'url');
|
||||
const logall = jsonq === '';
|
||||
proxyApplyFn('fetch', function(context) {
|
||||
const args = context.callArgs;
|
||||
const fetchPromise = context.reflect();
|
||||
if ( propNeedles.size !== 0 ) {
|
||||
const objs = [ args[0] instanceof Object ? args[0] : { url: args[0] } ];
|
||||
if ( objs[0] instanceof Request ) {
|
||||
try {
|
||||
objs[0] = safe.Request_clone.call(objs[0]);
|
||||
} catch(ex) {
|
||||
safe.uboErr(logPrefix, 'Error:', ex);
|
||||
}
|
||||
}
|
||||
if ( args[1] instanceof Object ) {
|
||||
objs.push(args[1]);
|
||||
}
|
||||
const matched = matchObjectPropertiesFn(propNeedles, ...objs);
|
||||
if ( matched === undefined ) { return fetchPromise; }
|
||||
if ( safe.logLevel > 1 ) {
|
||||
safe.uboLog(logPrefix, `Matched "propsToMatch":\n\t${matched.join('\n\t')}`);
|
||||
}
|
||||
}
|
||||
return fetchPromise.then(responseBefore => {
|
||||
const response = responseBefore.clone();
|
||||
return response.text().then(textBefore => {
|
||||
if ( typeof textBefore !== 'string' ) { return textBefore; }
|
||||
if ( logall ) {
|
||||
safe.uboLog(logPrefix, textBefore);
|
||||
return responseBefore;
|
||||
}
|
||||
const textAfter = jsonlEditFn(jsonp, textBefore);
|
||||
if ( textAfter === textBefore ) { return responseBefore; }
|
||||
safe.uboLog(logPrefix, 'Pruned');
|
||||
const responseAfter = new Response(textAfter, {
|
||||
status: responseBefore.status,
|
||||
statusText: responseBefore.statusText,
|
||||
headers: responseBefore.headers,
|
||||
});
|
||||
Object.defineProperties(responseAfter, {
|
||||
ok: { value: responseBefore.ok },
|
||||
redirected: { value: responseBefore.redirected },
|
||||
type: { value: responseBefore.type },
|
||||
url: { value: responseBefore.url },
|
||||
});
|
||||
return responseAfter;
|
||||
}).catch(reason => {
|
||||
safe.uboErr(logPrefix, 'Error:', reason);
|
||||
return responseBefore;
|
||||
});
|
||||
}).catch(reason => {
|
||||
safe.uboErr(logPrefix, 'Error:', reason);
|
||||
return fetchPromise;
|
||||
});
|
||||
});
|
||||
}
|
||||
registerScriptlet(jsonlEditFetchResponseFn, {
|
||||
name: 'jsonl-edit-fetch-response.fn',
|
||||
dependencies: [
|
||||
JSONPath,
|
||||
jsonlEditFn,
|
||||
matchObjectPropertiesFn,
|
||||
parsePropertiesToMatchFn,
|
||||
proxyApplyFn,
|
||||
safeSelf,
|
||||
],
|
||||
});
|
||||
|
||||
/******************************************************************************/
|
||||
/**
|
||||
* @scriptlet jsonl-edit-fetch-response.js
|
||||
*
|
||||
* @description
|
||||
* Edit the objects found in a JSONL resource fetched through the fetch API.
|
||||
* Properties can only be removed.
|
||||
*
|
||||
* @param jsonq
|
||||
* A uBO-flavored JSONPath query.
|
||||
*
|
||||
* @param [propsToMatch, value]
|
||||
* An optional vararg detailing the arguments to match when xhr.open() is
|
||||
* called.
|
||||
*
|
||||
* */
|
||||
|
||||
function jsonlEditFetchResponse(jsonq = '', ...args) {
|
||||
jsonlEditFetchResponseFn(false, jsonq, ...args);
|
||||
}
|
||||
registerScriptlet(jsonlEditFetchResponse, {
|
||||
name: 'jsonl-edit-fetch-response.js',
|
||||
dependencies: [
|
||||
jsonlEditFetchResponseFn,
|
||||
],
|
||||
});
|
||||
|
||||
/******************************************************************************/
|
||||
/**
|
||||
* @scriptlet trusted-jsonl-edit-fetch-response.js
|
||||
*
|
||||
* @description
|
||||
* Edit the objects found in a JSONL resource fetched through the fetch API.
|
||||
* Properties can be assigned new values.
|
||||
*
|
||||
* @param jsonq
|
||||
* A uBO-flavored JSONPath query.
|
||||
*
|
||||
* @param [propsToMatch, value]
|
||||
* An optional vararg detailing the arguments to match when xhr.open() is
|
||||
* called.
|
||||
*
|
||||
* */
|
||||
|
||||
function trustedJsonlEditFetchResponse(jsonq = '', ...args) {
|
||||
jsonlEditFetchResponseFn(true, jsonq, ...args);
|
||||
}
|
||||
registerScriptlet(trustedJsonlEditFetchResponse, {
|
||||
name: 'trusted-jsonl-edit-fetch-response.js',
|
||||
requiresTrust: true,
|
||||
dependencies: [
|
||||
jsonlEditFetchResponseFn,
|
||||
],
|
||||
});
|
||||
|
||||
/******************************************************************************/
|
||||
@ -1,249 +0,0 @@
|
||||
/*******************************************************************************
|
||||
|
||||
uBlock Origin - a comprehensive, efficient content blocker
|
||||
Copyright (C) 2019-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
|
||||
|
||||
*/
|
||||
|
||||
import {
|
||||
matchObjectPropertiesFn,
|
||||
parsePropertiesToMatchFn,
|
||||
} from './utils.js';
|
||||
|
||||
import { JSONPath } from './shared.js';
|
||||
import { objectPruneFn } from './object-prune.js';
|
||||
import { registerScriptlet } from './base.js';
|
||||
import { safeSelf } from './safe-self.js';
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
function jsonlPruneFn(
|
||||
jsonp,
|
||||
text = ''
|
||||
) {
|
||||
const safe = safeSelf();
|
||||
const linesBefore = text.split(/\n+/);
|
||||
const linesAfter = [];
|
||||
for ( const lineBefore of linesBefore ) {
|
||||
let obj;
|
||||
try {
|
||||
obj = safe.JSON_parse(lineBefore);
|
||||
} catch {
|
||||
}
|
||||
if ( typeof obj !== 'object' || obj === null ) {
|
||||
linesAfter.push(lineBefore);
|
||||
continue;
|
||||
}
|
||||
const paths = jsonp.evaluate(obj);
|
||||
if ( paths.length === 0 ) {
|
||||
linesAfter.push(lineBefore);
|
||||
continue;
|
||||
}
|
||||
for ( const path of paths ) {
|
||||
const { obj, key } = jsonp.resolvePath(path);
|
||||
delete obj[key];
|
||||
}
|
||||
linesAfter.push(safe.JSON_stringify(obj).replace(/\//g, '\\/'));
|
||||
}
|
||||
return linesAfter.join('\n');
|
||||
}
|
||||
registerScriptlet(jsonlPruneFn, {
|
||||
name: 'jsonl-prune.fn',
|
||||
dependencies: [
|
||||
safeSelf,
|
||||
],
|
||||
});
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
/**
|
||||
* @scriptlet jsonl-prune-xhr-response.js
|
||||
*
|
||||
* @description
|
||||
* Prune the objects found in a JSONL resource fetched through a XHR instance.
|
||||
*
|
||||
* @param jsonq
|
||||
* A uBO-flavored JSONPath query.
|
||||
*
|
||||
* @param [propsToMatch, value]
|
||||
* An optional vararg detailing the arguments to match when xhr.open() is
|
||||
* called.
|
||||
*
|
||||
* */
|
||||
|
||||
function jsonlPruneXhrResponse(
|
||||
jsonq = '',
|
||||
) {
|
||||
const safe = safeSelf();
|
||||
const logPrefix = safe.makeLogPrefix('jsonl-prune-xhr-response', jsonq);
|
||||
const xhrInstances = new WeakMap();
|
||||
const jsonp = JSONPath.create(jsonq);
|
||||
const extraArgs = safe.getExtraArgs(Array.from(arguments), 1);
|
||||
const propNeedles = parsePropertiesToMatchFn(extraArgs.propsToMatch, 'url');
|
||||
self.XMLHttpRequest = class extends self.XMLHttpRequest {
|
||||
open(method, url, ...args) {
|
||||
const xhrDetails = { method, url };
|
||||
const matched = propNeedles.size === 0 ||
|
||||
matchObjectPropertiesFn(propNeedles, xhrDetails);
|
||||
if ( matched ) {
|
||||
if ( safe.logLevel > 1 && Array.isArray(matched) ) {
|
||||
safe.uboLog(logPrefix, `Matched "propsToMatch":\n\t${matched.join('\n\t')}`);
|
||||
}
|
||||
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;
|
||||
}
|
||||
if ( typeof innerResponse !== 'string' ) {
|
||||
return (xhrDetails.response = innerResponse);
|
||||
}
|
||||
const outerResponse = jsonlPruneFn(jsonp, innerResponse);
|
||||
if ( outerResponse !== innerResponse ) {
|
||||
safe.uboLog(logPrefix, 'Pruned');
|
||||
}
|
||||
return (xhrDetails.response = outerResponse);
|
||||
}
|
||||
get responseText() {
|
||||
const response = this.response;
|
||||
return typeof response !== 'string'
|
||||
? super.responseText
|
||||
: response;
|
||||
}
|
||||
};
|
||||
}
|
||||
registerScriptlet(jsonlPruneXhrResponse, {
|
||||
name: 'jsonl-prune-xhr-response.js',
|
||||
dependencies: [
|
||||
JSONPath,
|
||||
jsonlPruneFn,
|
||||
matchObjectPropertiesFn,
|
||||
parsePropertiesToMatchFn,
|
||||
safeSelf,
|
||||
],
|
||||
});
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
/**
|
||||
* @scriptlet jsonl-prune-fetch-response.js
|
||||
*
|
||||
* @description
|
||||
* Prune the objects found in a JSONL resource fetched through the fetch API.
|
||||
* Once the pruning is performed.
|
||||
*
|
||||
* @param jsonq
|
||||
* A uBO-flavored JSONPath query.
|
||||
*
|
||||
* @param [propsToMatch, value]
|
||||
* An optional vararg detailing the arguments to match when xhr.open() is
|
||||
* called.
|
||||
*
|
||||
* */
|
||||
|
||||
function jsonlPruneFetchResponse(
|
||||
jsonq = ''
|
||||
) {
|
||||
const safe = safeSelf();
|
||||
const logPrefix = safe.makeLogPrefix('jsonl-prune-fetch-response', jsonq);
|
||||
const jsonp = JSONPath.create(jsonq);
|
||||
const extraArgs = safe.getExtraArgs(Array.from(arguments), 2);
|
||||
const propNeedles = parsePropertiesToMatchFn(extraArgs.propsToMatch, 'url');
|
||||
const logall = jsonq === '';
|
||||
const applyHandler = function(target, thisArg, args) {
|
||||
const fetchPromise = Reflect.apply(target, thisArg, args);
|
||||
if ( propNeedles.size !== 0 ) {
|
||||
const objs = [ args[0] instanceof Object ? args[0] : { url: args[0] } ];
|
||||
if ( objs[0] instanceof Request ) {
|
||||
try {
|
||||
objs[0] = safe.Request_clone.call(objs[0]);
|
||||
} catch(ex) {
|
||||
safe.uboErr(logPrefix, 'Error:', ex);
|
||||
}
|
||||
}
|
||||
if ( args[1] instanceof Object ) {
|
||||
objs.push(args[1]);
|
||||
}
|
||||
const matched = matchObjectPropertiesFn(propNeedles, ...objs);
|
||||
if ( matched === undefined ) { return fetchPromise; }
|
||||
if ( safe.logLevel > 1 ) {
|
||||
safe.uboLog(logPrefix, `Matched "propsToMatch":\n\t${matched.join('\n\t')}`);
|
||||
}
|
||||
}
|
||||
return fetchPromise.then(responseBefore => {
|
||||
const response = responseBefore.clone();
|
||||
return response.text().then(textBefore => {
|
||||
if ( typeof textBefore !== 'string' ) { return textBefore; }
|
||||
if ( logall ) {
|
||||
safe.uboLog(logPrefix, textBefore);
|
||||
return responseBefore;
|
||||
}
|
||||
const textAfter = jsonlPruneFn(jsonp, textBefore);
|
||||
if ( textAfter === textBefore ) { return responseBefore; }
|
||||
safe.uboLog(logPrefix, 'Pruned');
|
||||
const responseAfter = new Response(textAfter, {
|
||||
status: responseBefore.status,
|
||||
statusText: responseBefore.statusText,
|
||||
headers: responseBefore.headers,
|
||||
});
|
||||
Object.defineProperties(responseAfter, {
|
||||
ok: { value: responseBefore.ok },
|
||||
redirected: { value: responseBefore.redirected },
|
||||
type: { value: responseBefore.type },
|
||||
url: { value: responseBefore.url },
|
||||
});
|
||||
return responseAfter;
|
||||
}).catch(reason => {
|
||||
safe.uboErr(logPrefix, 'Error:', reason);
|
||||
return responseBefore;
|
||||
});
|
||||
}).catch(reason => {
|
||||
safe.uboErr(logPrefix, 'Error:', reason);
|
||||
return fetchPromise;
|
||||
});
|
||||
};
|
||||
self.fetch = new Proxy(self.fetch, {
|
||||
apply: applyHandler
|
||||
});
|
||||
}
|
||||
registerScriptlet(jsonlPruneFetchResponse, {
|
||||
name: 'jsonl-prune-fetch-response.js',
|
||||
dependencies: [
|
||||
JSONPath,
|
||||
jsonlPruneFn,
|
||||
matchObjectPropertiesFn,
|
||||
parsePropertiesToMatchFn,
|
||||
safeSelf,
|
||||
],
|
||||
});
|
||||
|
||||
/******************************************************************************/
|
||||
@ -22,8 +22,8 @@
|
||||
|
||||
import './attribute.js';
|
||||
import './href-sanitizer.js';
|
||||
import './json-edit.js';
|
||||
import './json-prune.js';
|
||||
import './jsonl-prune.js';
|
||||
import './noeval.js';
|
||||
import './object-prune.js';
|
||||
import './prevent-innerHTML.js';
|
||||
|
||||
@ -21,6 +21,7 @@
|
||||
|
||||
import * as cssTree from '../lib/csstree/css-tree.js';
|
||||
import { ArglistParser } from './arglist-parser.js';
|
||||
import { JSONPath } from './jsonpath.js';
|
||||
import Regex from '../lib/regexanalyzer/regex.js';
|
||||
|
||||
/*******************************************************************************
|
||||
@ -1472,7 +1473,7 @@ export class AstFilterParser {
|
||||
break;
|
||||
}
|
||||
const value = this.getNetOptionValue(NODE_TYPE_NET_OPTION_NAME_URLTRANSFORM);
|
||||
if ( value !== '' && parseReplaceValue(value) === undefined ) {
|
||||
if ( value !== '' && parseReplacebyRegexValue(value) === undefined ) {
|
||||
this.astError = AST_ERROR_OPTION_BADVALUE;
|
||||
realBad = true;
|
||||
}
|
||||
@ -3028,7 +3029,7 @@ export function parseHeaderValue(arg) {
|
||||
|
||||
// https://adguard.com/kb/general/ad-filtering/create-own-filters/#replace-modifier
|
||||
|
||||
export function parseReplaceValue(s) {
|
||||
export function parseReplacebyRegexValue(s) {
|
||||
if ( s.charCodeAt(0) !== 0x2F /* / */ ) { return; }
|
||||
const parser = new ArglistParser('/');
|
||||
parser.nextArg(s, 1);
|
||||
@ -3054,6 +3055,23 @@ export function parseReplaceValue(s) {
|
||||
}
|
||||
}
|
||||
|
||||
export function parseReplaceValue(s) {
|
||||
if ( s.startsWith('/') ) {
|
||||
const r = parseReplacebyRegexValue(s);
|
||||
if ( r ) { r.type = 'text'; }
|
||||
return r;
|
||||
}
|
||||
const pos = s.indexOf(':');
|
||||
if ( pos === -1 ) { return; }
|
||||
const type = s.slice(0, pos);
|
||||
if ( type === 'json' || type === 'jsonl' ) {
|
||||
const query = s.slice(pos+1);
|
||||
const jsonp = JSONPath.create(query);
|
||||
if ( jsonp.valid === false ) { return; }
|
||||
return { type, jsonp };
|
||||
}
|
||||
}
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
export const netOptionTokenDescriptors = new Map([
|
||||
|
||||
@ -5412,7 +5412,7 @@ StaticNetFilteringEngine.prototype.transformRequest = function(fctxt, out = [])
|
||||
continue;
|
||||
}
|
||||
if ( directive.cache === null ) {
|
||||
directive.cache = sfp.parseReplaceValue(directive.value);
|
||||
directive.cache = sfp.parseReplaceByRegexValue(directive.value);
|
||||
}
|
||||
const cache = directive.cache;
|
||||
if ( cache === undefined ) { continue; }
|
||||
|
||||
@ -625,19 +625,60 @@ function textResponseFilterer(session, directives) {
|
||||
continue;
|
||||
}
|
||||
const { refs } = directive;
|
||||
if ( refs.$cache !== null ) {
|
||||
const { jsonp } = refs.$cache;
|
||||
if ( jsonp && jsonp.apply === undefined ) {
|
||||
refs.$cache = null;
|
||||
}
|
||||
}
|
||||
if ( refs.$cache === null ) {
|
||||
refs.$cache = sfp.parseReplaceValue(refs.value);
|
||||
}
|
||||
const cache = refs.$cache;
|
||||
if ( cache === undefined ) { continue; }
|
||||
cache.re.lastIndex = 0;
|
||||
if ( cache.re.test(session.getString()) !== true ) { continue; }
|
||||
cache.re.lastIndex = 0;
|
||||
session.setString(session.getString().replace(
|
||||
cache.re,
|
||||
cache.replacement
|
||||
));
|
||||
applied.push(directive);
|
||||
switch ( cache.type ) {
|
||||
case 'json': {
|
||||
const json = session.getString();
|
||||
let obj;
|
||||
try { obj = JSON.parse(json); } catch { break; }
|
||||
if ( cache.jsonp.apply(obj) === 0 ) { break; }
|
||||
session.setString(cache.jsonp.toJSON(obj));
|
||||
applied.push(directive);
|
||||
break;
|
||||
}
|
||||
case 'jsonl': {
|
||||
const linesBefore = session.getString().split(/\n+/);
|
||||
const linesAfter = [];
|
||||
for ( const lineBefore of linesBefore ) {
|
||||
let obj;
|
||||
try { obj = JSON.parse(lineBefore); } catch { }
|
||||
if ( typeof obj !== 'object' || obj === null ) {
|
||||
linesAfter.push(lineBefore);
|
||||
continue;
|
||||
}
|
||||
if ( cache.jsonp.apply(obj) === 0 ) {
|
||||
linesAfter.push(lineBefore);
|
||||
continue;
|
||||
}
|
||||
linesAfter.push(cache.jsonp.toJSON(obj));
|
||||
}
|
||||
session.setString(linesAfter.join('\n'));
|
||||
break;
|
||||
}
|
||||
case 'text': {
|
||||
cache.re.lastIndex = 0;
|
||||
if ( cache.re.test(session.getString()) !== true ) { break; }
|
||||
cache.re.lastIndex = 0;
|
||||
session.setString(session.getString().replace(
|
||||
cache.re,
|
||||
cache.replacement
|
||||
));
|
||||
applied.push(directive);
|
||||
break;
|
||||
}
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
if ( applied.length === 0 ) { return; }
|
||||
if ( logger.enabled !== true ) { return; }
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user