mirror of https://github.com/gorhill/uBlock.git
Fix/improve logging in `json-prune` scriptlet
This commit is contained in:
Raymond Hill
parent
2c04b5a982
commit
b4ffd16db6
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@ -640,86 +640,78 @@ function objectPrune(
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extraArgs = {}
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) {
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if ( typeof rawPrunePaths !== 'string' ) { return obj; }
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const safe = safeSelf();
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const prunePaths = rawPrunePaths !== ''
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? rawPrunePaths.split(/ +/)
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: [];
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const safe = safeSelf();
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let needlePaths;
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let log, reLogNeedle;
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if ( prunePaths.length !== 0 ) {
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needlePaths = prunePaths.length !== 0 && rawNeedlePaths !== ''
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? rawNeedlePaths.split(/ +/)
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: [];
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if ( extraArgs.log !== undefined ) {
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log = console.log.bind(console);
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reLogNeedle = safe.patternToRegex(extraArgs.log);
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}
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} else {
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log = console.log.bind(console);
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reLogNeedle = safe.patternToRegex(rawNeedlePaths);
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}
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const needlePaths = prunePaths.length !== 0 && rawNeedlePaths !== ''
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? rawNeedlePaths.split(/ +/)
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: [];
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const logLevel = shouldLog({ log: rawPrunePaths === '' || extraArgs.log });
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const log = logLevel ? ((...args) => { safe.uboLog(...args); }) : (( ) => { });
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const reLogNeedle = safe.patternToRegex(logLevel === true ? rawNeedlePaths : '');
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if ( stackNeedleDetails.matchAll !== true ) {
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if ( matchesStackTrace(stackNeedleDetails, extraArgs.logstack) === false ) {
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return obj;
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}
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}
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const findOwner = function(root, path, prune = false) {
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let owner = root;
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let chain = path;
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for (;;) {
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if ( typeof owner !== 'object' || owner === null ) {
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return false;
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}
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const pos = chain.indexOf('.');
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if ( pos === -1 ) {
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if ( prune === false ) {
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return owner.hasOwnProperty(chain);
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}
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if ( chain === '*' ) {
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for ( const key in owner ) {
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if ( owner.hasOwnProperty(key) === false ) { continue; }
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delete owner[key];
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if ( objectPrune.findOwner === undefined ) {
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objectPrune.findOwner = (root, path, prune = false) => {
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let owner = root;
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let chain = path;
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for (;;) {
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if ( typeof owner !== 'object' || owner === null ) { return false; }
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const pos = chain.indexOf('.');
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if ( pos === -1 ) {
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if ( prune === false ) {
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return owner.hasOwnProperty(chain);
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}
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} else if ( owner.hasOwnProperty(chain) ) {
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delete owner[chain];
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if ( chain === '*' ) {
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for ( const key in owner ) {
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if ( owner.hasOwnProperty(key) === false ) { continue; }
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delete owner[key];
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}
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} else if ( owner.hasOwnProperty(chain) ) {
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delete owner[chain];
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}
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return true;
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}
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return true;
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}
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const prop = chain.slice(0, pos);
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if (
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prop === '[]' && Array.isArray(owner) ||
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prop === '*' && owner instanceof Object
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) {
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const next = chain.slice(pos + 1);
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let found = false;
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for ( const key of Object.keys(owner) ) {
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found = findOwner(owner[key], next, prune) || found;
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const prop = chain.slice(0, pos);
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if (
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prop === '[]' && Array.isArray(owner) ||
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prop === '*' && owner instanceof Object
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) {
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const next = chain.slice(pos + 1);
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let found = false;
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for ( const key of Object.keys(owner) ) {
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found = objectPrune.findOwner(owner[key], next, prune) || found;
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}
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return found;
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}
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return found;
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if ( owner.hasOwnProperty(prop) === false ) { return false; }
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owner = owner[prop];
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chain = chain.slice(pos + 1);
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}
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if ( owner.hasOwnProperty(prop) === false ) { return false; }
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owner = owner[prop];
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chain = chain.slice(pos + 1);
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}
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};
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const mustProcess = function(root) {
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for ( const needlePath of needlePaths ) {
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if ( findOwner(root, needlePath) === false ) {
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return false;
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};
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objectPrune.mustProcess = (root, needlePaths) => {
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for ( const needlePath of needlePaths ) {
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if ( objectPrune.findOwner(root, needlePath) === false ) {
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return false;
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}
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}
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}
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return true;
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};
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if ( log !== undefined ) {
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return true;
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};
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}
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if ( logLevel === true || logLevel === 'all' ) {
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const json = JSON.stringify(obj, null, 2);
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if ( reLogNeedle.test(json) ) {
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log('uBO:', location.hostname, json);
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log(location.hostname, json);
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}
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return obj;
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}
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if ( mustProcess(obj) === false ) { return obj; }
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if ( prunePaths.length === 0 ) { return obj; }
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if ( objectPrune.mustProcess(obj, needlePaths) === false ) { return obj; }
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for ( const path of prunePaths ) {
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findOwner(obj, path, true);
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objectPrune.findOwner(obj, path, true);
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}
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return obj;
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}
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@ -1222,6 +1214,9 @@ function jsonPrune(
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) {
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JSON.parse = new Proxy(JSON.parse, {
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apply: function(target, thisArg, args) {
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if ( logLevel ) {
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safe.uboLog('json-prune / JSON.parse()');
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}
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return objectPrune(
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Reflect.apply(target, thisArg, args),
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rawPrunePaths,
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@ -1235,19 +1230,20 @@ function jsonPrune(
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Response.prototype.json = new Proxy(Response.prototype.json, {
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apply: function(target, thisArg, args) {
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const dataPromise = Reflect.apply(target, thisArg, args);
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let outcome = 'match';
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if ( fetchPropNeedles.size !== 0 ) {
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const outcome = matchObjectProperties(fetchPropNeedles, thisArg)
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? 'match'
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: 'nomatch';
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if ( outcome === logLevel || logLevel === 'all' ) {
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safe.uboLog(
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`json-prune (${outcome})`,
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`\n\tpropsToMatch: ${JSON.stringify(Array.from(fetchPropNeedles)).slice(1,-1)}`,
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'\n\tprops:', thisArg,
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);
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if ( matchObjectProperties(fetchPropNeedles, thisArg) === false ) {
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outcome = 'nomatch';
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}
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if ( outcome === 'nomatch' ) { return dataPromise; }
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}
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if ( outcome === logLevel || logLevel === 'all' ) {
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safe.uboLog(
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`json-prune / Response.json() (${outcome})`,
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`\n\tfetchPropsToMatch: ${JSON.stringify(Array.from(fetchPropNeedles)).slice(1,-1)}`,
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'\n\tprops:', thisArg,
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);
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}
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if ( outcome === 'nomatch' ) { return dataPromise; }
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return dataPromise.then(data => objectPrune(
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data,
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rawPrunePaths,
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