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ses - npm Package Compare versions
Comparing version 0.10.2 to 0.10.3
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F=Et(v),x={"%InertFunction%":t,"%ArrayIteratorPrototype%":u,"%InertAsyncFunction%":F,"%AsyncGenerator%":I,"%InertAsyncGeneratorFunction%":E,"%AsyncGeneratorPrototype%":T,"%AsyncIteratorPrototype%":A,"%Generator%":S,"%InertGeneratorFunction%":h,"%IteratorPrototype%":P,"%MapIteratorPrototype%":g,"%RegExpStringIteratorPrototype%":p,"%SetIteratorPrototype%":d,"%StringIteratorPrototype%":i,"%ThrowTypeError%":o,"%TypedArray%":y,"%InertCompartment%":St,"%InertStaticModuleRecord%":wt};return x}()),E.completePrototypes();const I=E.finalIntrinsics();!function(t,e="safe"){if("safe"!==e&&"unsafe"!==e)throw new Error("unrecognized dateTaming "+e);if("unsafe"!==e){f(String.prototype,"localeCompare",{value:ht});for(const e of c(t)){const r=t[e];if(r===Object(r))for(const t of c(r)){const e=bt.exec(t);if(e){nt("function"==typeof r[t],`expected ${t} to be a function`);const o=`${e[1]}${e[2]}`,n=r[o];nt("function"==typeof n,`function ${o} not found`),f(r,t,{value:n})}}}}}(I,h);const T=C();return pt(I,T),function(){try{(0,Object.prototype.__lookupGetter__)("x")}catch(t){return}function t(t){if(null==t)throw new TypeError("can't convert undefined or null to object");return Object(t)}function e(t){return"symbol"==typeof t?t:""+t}function o(t,e){if("function"!=typeof t)throw TypeError(`invalid ${e} usage`);return t}r(l,{__defineGetter__:{value:function(e,r){const n=t(this);f(n,e,{get:o(r,"getter"),enumerable:!0,configurable:!0})}},__defineSetter__:{value:function(e,r){const n=t(this);f(n,e,{set:o(r,"setter"),enumerable:!0,configurable:!0})}},__lookupGetter__:{value:function(r){let o,n=t(this);for(r=e(r);n&&!(o=a(n,r));)n=s(n);return o&&o.get}},__lookupSetter__:{value:function(r){let o,n=t(this);for(r=e(r);n&&!(o=a(n,r));)n=s(n);return o&&o.set}}})}(),Lt(globalThis,I,$,t,0,{nativeBrander:T}),function(){const t=function(t){const e={};function r(t,r,o,n){if("value"in n&&n.configurable){const{value:a}=n;e[t]=a,f(r,o,{get:function(){return a},set:function(e){if(r===this)throw new 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string");const{transforms:n=[],sloppyGlobalsMode:a=!1,__moduleShimLexicals__:c}=o,s=[...n],{globalTransforms:p,globalObject:l,globalLexicals:u}=Jt.get(this);let y=u;return void 0!==c&&(y=e(null,i(u)),r(y,i(c))),Gt(t,l,y,{globalTransforms:p,localTransforms:s,sloppyGlobalsMode:a})},toString:()=>"[object Compartment]"};r(St,{prototype:{value:Kt}});const qt=(e,r,o)=>{function a(a={},i={},s={}){if(void 0===new.target)throw new TypeError("Class constructor Compartment cannot be invoked without 'new'");const{name:p="<unknown>",transforms:l=[],globalLexicals:u={}}=s,y=[...l],f={};Lt(f,r,G,e,this.constructor.prototype,{globalTransforms:y,nativeBrander:o}),t(f,a);const g=c(u).filter(t=>!Ft(t));if(g.length)throw new Error(`Cannot create compartment with invalid names for global lexicals: ${g.join(", ")}; these names would not be lexically mentionable`);Jt.set(this,{name:p,globalTransforms:y,globalObject:f,globalLexicals:n({...u})})}return a.prototype=Kt,a},Qt=C(),Xt=qt(qt,function(t){const e=Z();return e.addIntrinsics(X(t,G)),e.finalIntrinsics()}(globalThis),Qt);t(globalThis,{harden:t=>(nt(zt,"Cannot harden before lockdown"),Vt(t)),lockdown:((t,e)=>(e={})=>Ht(t,0,e)())(qt),Compartment:Xt})})); |
@@ -0,7 +1,40 @@ | ||
| // Copyright (C) 2018 Agoric | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // Importing the lower-layer "./lockdown.js" ensures that we run later and | ||
| // replace its global lockdown if an application elects to import both. | ||
| import { assign } from './src/commons.js'; | ||
| import { tameFunctionToString } from './src/tame-function-tostring.js'; | ||
| import { getGlobalIntrinsics } from './src/intrinsics.js'; | ||
| import { makeLockdown, harden } from './src/lockdown-shim.js'; | ||
| import { | ||
| makeCompartmentConstructor, | ||
| CompartmentPrototype, | ||
| } from './src/compartment-shim.js'; | ||
| // TODO wasteful to do it twice, once before lockdown and again during | ||
| // lockdown. The second is doubly indirect. We should at least flatten that. | ||
| const nativeBrander = tameFunctionToString(); | ||
| const Compartment = makeCompartmentConstructor( | ||
| makeCompartmentConstructor, | ||
| getGlobalIntrinsics(globalThis), | ||
| nativeBrander, | ||
| ); | ||
| assign(globalThis, { | ||
| harden, | ||
| lockdown: makeLockdown(), | ||
| lockdown: makeLockdown(makeCompartmentConstructor, CompartmentPrototype), | ||
| Compartment, | ||
| }); |
| { | ||
| "name": "ses", | ||
| "version": "0.10.2", | ||
| "version": "0.10.3", | ||
| "description": "Secure ECMAScript", | ||
@@ -32,3 +32,4 @@ "author": "Agoric", | ||
| "lint-fix": "eslint --fix '**/*.js'", | ||
| "test": "yarn build && tap --no-esm --no-coverage --reporter spec 'test/**/*.test.js'", | ||
| "qt": "tap --no-esm --no-coverage --reporter spec 'test/**/*.test.js'", | ||
| "test": "yarn build && yarn qt", | ||
| "test262": "tap --no-esm --no-coverage --reporter spec test262/*.js", | ||
@@ -41,3 +42,3 @@ "build": "rollup --config rollup.config.js", | ||
| "@agoric/make-hardener": "^0.1.0", | ||
| "@agoric/transform-module": "^0.4.0" | ||
| "@agoric/transform-module": "^0.4.1" | ||
| }, | ||
@@ -44,0 +45,0 @@ "devDependencies": { |
@@ -152,2 +152,3 @@ # Secure EcmaScript (SES) | ||
| const c1 = new Compartment({}, {}, { | ||
| name: "first compartment", | ||
| resolveHook: (moduleSpecifier, moduleReferrer) => { | ||
@@ -175,2 +176,3 @@ return resolve(moduleSpecifier, moduleReferrer); | ||
| }, { | ||
| name: "second compartment", | ||
| resolveHook, | ||
@@ -181,2 +183,78 @@ importHook, | ||
| ### importHook aliases | ||
| If a compartment imports a module specified as `"./utility"` but actually | ||
| implemented by an alias like `"./utility/index.js"`, the `importHook` may | ||
| follow redirects, symbolic links, or search for candidates using its own logic | ||
| and return a module that has a different "response specifier" than the original | ||
| "request specifier". | ||
| The `importHook` may return an "alias" objeect with `record`, `compartment`, | ||
| and `module` properties. | ||
| - `record` must be a `StaticModuleRecord`, | ||
| - `compartment` is optional, to be specified if the alias transits to a | ||
| different compartment, and | ||
| - `specifier` is the full module specifier of the module in its compartment. | ||
| This defaults to the request specifier, which is only useful if the | ||
| compartment is different. | ||
| In the following example, the importHook searches for a file and returns an | ||
| alias. | ||
| ```js | ||
| const importHook = async specifier => { | ||
| const candidates = [specifier, `${specifier}.js`, `${specifier}/index.js`]; | ||
| for (const candidate of candidates) { | ||
| const record = await wrappedImportHook(candidate).catch(_ => undefined); | ||
| if (record !== undefined) { | ||
| return { record, specifier }; | ||
| } | ||
| } | ||
| throw new Error(`Cannot find module ${specifier}`); | ||
| }; | ||
| const compartment = new Compartment({}, {}, { | ||
| resolveHook, | ||
| importHook, | ||
| }); | ||
| ``` | ||
| ### moduleMapHook | ||
| The module map above allows modules to be introduced to a compartment up-front. | ||
| Some modules cannot be known that early. | ||
| For example, in Node.js, a package might have a dependency that brings in an | ||
| entire subtree of modules. | ||
| Also, a pair of compartments with cyclic dependencies between modules they each | ||
| contain cannot use `compartment.module` to link the second compartment | ||
| constructed to the first. | ||
| For these cases, the `Compartment` constructor accepts a `moduleMapHook` option | ||
| that is like the dynamic version of the static `moduleMap` argument. | ||
| This is a function that accepts a module specifier and returns the module | ||
| namespace for that module specifier, or `undefined`. | ||
| If the `moduleMapHook` returns `undefined`, the compartment proceeds to the | ||
| `importHook` to attempt to asynchronously obtain the module's source. | ||
| ```js | ||
| const moduleMapHook = moduleSpecifier => { | ||
| if (moduleSpecifier === 'even') { | ||
| return even.module('./index.js'); | ||
| } else if (moduleSpecifier === 'odd') { | ||
| return odd.module('./index.js'); | ||
| } | ||
| }; | ||
| const even = new Compartment({}, {}, { | ||
| resolveHook: nodeResolveHook, | ||
| importHook: makeImportHook('https://example.com/even'), | ||
| moduleMapHook, | ||
| }); | ||
| const odd = new Compartment({}, {}, { | ||
| resolveHook: nodeResolveHook, | ||
| importHook: makeImportHook('https://example.com/odd'), | ||
| moduleMapHook, | ||
| }); | ||
| ``` | ||
| ### Third-party modules | ||
@@ -183,0 +261,0 @@ |
34
ses.js
@@ -15,17 +15,33 @@ // Copyright (C) 2018 Agoric | ||
| // Importing the lower-layer "./lockdown.js" ensures that we run later and | ||
| // replace its global lockdown if an application elects to import both. | ||
| import './lockdown.js'; | ||
| import { assign } from './src/commons.js'; | ||
| import { makeLockdown } from './src/lockdown-shim.js'; | ||
| import { tameFunctionToString } from './src/tame-function-tostring.js'; | ||
| import { getGlobalIntrinsics } from './src/intrinsics.js'; | ||
| import { makeLockdown, harden } from './src/lockdown-shim.js'; | ||
| import { whitelist, modulesWhitelist } from './src/whitelist.js'; | ||
| import { | ||
| makeCompartmentConstructor, | ||
| Compartment, | ||
| CompartmentPrototype, | ||
| StaticModuleRecord, | ||
| } from './src/compartment-shim.js'; | ||
| makeModularCompartmentConstructor, | ||
| } from './src/module-shim.js'; | ||
| assign(whitelist, modulesWhitelist); | ||
| // TODO wasteful to do it twice, once before lockdown and again during | ||
| // lockdown. The second is doubly indirect. We should at least flatten that. | ||
| const nativeBrander = tameFunctionToString(); | ||
| const ModularCompartment = makeModularCompartmentConstructor( | ||
| makeModularCompartmentConstructor, | ||
| getGlobalIntrinsics(globalThis), | ||
| nativeBrander, | ||
| ); | ||
| assign(globalThis, { | ||
| lockdown: makeLockdown(makeCompartmentConstructor), | ||
| Compartment, | ||
| harden, | ||
| lockdown: makeLockdown( | ||
| makeModularCompartmentConstructor, | ||
| CompartmentPrototype, | ||
| ), | ||
| Compartment: ModularCompartment, | ||
| StaticModuleRecord, | ||
| }); |
| // This module exports both Compartment and StaticModuleRecord because they | ||
| // communicate through the moduleAnalyses private side-table. | ||
| /* eslint max-classes-per-file: ["error", 2] */ | ||
| import babel from '@agoric/babel-standalone'; | ||
| import { makeModuleAnalyzer } from '@agoric/transform-module'; | ||
| import { | ||
| assign, | ||
| create, | ||
| defineProperties, | ||
| entries, | ||
| freeze, | ||
| getOwnPropertyNames, | ||
| keys, | ||
| getOwnPropertyDescriptors, | ||
| } from './commons.js'; | ||
| import { initGlobalObject } from './global-object.js'; | ||
| import { performEval } from './evaluate.js'; | ||
| import { load } from './module-load.js'; | ||
| import { link } from './module-link.js'; | ||
| import { getDeferredExports } from './module-proxy.js'; | ||
| import { isValidIdentifierName } from './scope-constants.js'; | ||
| import { sharedGlobalPropertyNames } from './whitelist.js'; | ||
| import { getGlobalIntrinsics } from './intrinsics.js'; | ||
| import { tameFunctionToString } from './tame-function-tostring.js'; | ||
| import { InertCompartment, InertStaticModuleRecord } from './inert.js'; | ||
| import { InertCompartment } from './inert.js'; | ||
| // q, for quoting strings. | ||
| const q = JSON.stringify; | ||
| const analyzeModule = makeModuleAnalyzer(babel); | ||
| // moduleAnalyses are the private data of a StaticModuleRecord. | ||
| // We use moduleAnalyses in the loader/linker to look up | ||
| // the analysis corresponding to any StaticModuleRecord constructed by an | ||
| // importHook. | ||
| const moduleAnalyses = new WeakMap(); | ||
| /** | ||
| * StaticModuleRecord captures the effort of parsing and analyzing module text | ||
| * so a cache of StaticModuleRecords may be shared by multiple Compartments. | ||
| */ | ||
| export function StaticModuleRecord(string, url) { | ||
| if (new.target === undefined) { | ||
| return new StaticModuleRecord(string, url); | ||
| } | ||
| const analysis = analyzeModule({ string, url }); | ||
| this.imports = keys(analysis.imports).sort(); | ||
| freeze(this); | ||
| freeze(this.imports); | ||
| moduleAnalyses.set(this, analysis); | ||
| } | ||
| const StaticModuleRecordPrototype = { | ||
| constructor: InertStaticModuleRecord, | ||
| toString() { | ||
| return '[object StaticModuleRecord]'; | ||
| }, | ||
| }; | ||
| defineProperties(StaticModuleRecord, { | ||
| prototype: { value: StaticModuleRecordPrototype }, | ||
| }); | ||
| defineProperties(InertStaticModuleRecord, { | ||
| prototype: { value: StaticModuleRecordPrototype }, | ||
| }); | ||
| // privateFields captures the private state for each compartment. | ||
| const privateFields = new WeakMap(); | ||
| // moduleAliases associates every public module exports namespace with its | ||
| // corresponding compartment and specifier so they can be used to link modules | ||
| // across compartments. | ||
| // The mechanism to thread an alias is to use the compartment.module function | ||
| // to obtain the exports namespace of a foreign module and pass it into another | ||
| // compartment's moduleMap constructor option. | ||
| const moduleAliases = new WeakMap(); | ||
| export const CompartmentPrototype = { | ||
| constructor: InertCompartment, | ||
| // Compartments do not need an importHook or resolveHook to be useful | ||
| // as a vessel for evaluating programs. | ||
| // However, any method that operates the module system will throw an exception | ||
| // if these hooks are not available. | ||
| const assertModuleHooks = compartment => { | ||
| const { importHook, resolveHook } = privateFields.get(compartment); | ||
| if (typeof importHook !== 'function' || typeof resolveHook !== 'function') { | ||
| throw new TypeError( | ||
| `Compartment must be constructed with an importHook and a resolveHook for it to be able to load modules`, | ||
| ); | ||
| } | ||
| }; | ||
| const CompartmentPrototype = { | ||
| constructor: InertCompartment, | ||
| get globalThis() { | ||
@@ -101,2 +27,6 @@ return privateFields.get(this).globalObject; | ||
| get name() { | ||
| return privateFields.get(this).name; | ||
| }, | ||
| /** | ||
@@ -111,2 +41,4 @@ * @param {string} source is a JavaScript program grammar construction. | ||
| // Perform this check first to avoid unecessary sanitizing. | ||
| // TODO Maybe relax string check and coerce instead: | ||
| // https://github.com/tc39/proposal-dynamic-code-brand-checks | ||
| if (typeof source !== 'string') { | ||
@@ -117,3 +49,7 @@ throw new TypeError('first argument of evaluate() must be a string'); | ||
| // Extract options, and shallow-clone transforms. | ||
| const { transforms = [], sloppyGlobalsMode = false } = options; | ||
| const { | ||
| transforms = [], | ||
| sloppyGlobalsMode = false, | ||
| __moduleShimLexicals__ = undefined, | ||
| } = options; | ||
| const localTransforms = [...transforms]; | ||
@@ -127,3 +63,12 @@ | ||
| return performEval(source, globalObject, globalLexicals, { | ||
| let localObject = globalLexicals; | ||
| if (__moduleShimLexicals__ !== undefined) { | ||
| localObject = create(null, getOwnPropertyDescriptors(globalLexicals)); | ||
| defineProperties( | ||
| localObject, | ||
| getOwnPropertyDescriptors(__moduleShimLexicals__), | ||
| ); | ||
| } | ||
| return performEval(source, globalObject, localObject, { | ||
| globalTransforms, | ||
@@ -135,60 +80,2 @@ localTransforms, | ||
| module(specifier) { | ||
| if (typeof specifier !== 'string') { | ||
| throw new TypeError('first argument of module() must be a string'); | ||
| } | ||
| assertModuleHooks(this); | ||
| const { exportsProxy } = getDeferredExports( | ||
| this, | ||
| privateFields.get(this), | ||
| moduleAliases, | ||
| specifier, | ||
| ); | ||
| return exportsProxy; | ||
| }, | ||
| async import(specifier) { | ||
| if (typeof specifier !== 'string') { | ||
| throw new TypeError('first argument of import() must be a string'); | ||
| } | ||
| assertModuleHooks(this); | ||
| return load(privateFields, moduleAliases, this, specifier).then(() => { | ||
| const namespace = this.importNow(specifier); | ||
| return { namespace }; | ||
| }); | ||
| }, | ||
| async load(specifier) { | ||
| if (typeof specifier !== 'string') { | ||
| throw new TypeError('first argument of load() must be a string'); | ||
| } | ||
| assertModuleHooks(this); | ||
| return load(privateFields, moduleAliases, this, specifier); | ||
| }, | ||
| importNow(specifier) { | ||
| if (typeof specifier !== 'string') { | ||
| throw new TypeError('first argument of importNow() must be a string'); | ||
| } | ||
| assertModuleHooks(this); | ||
| const moduleInstance = link( | ||
| privateFields, | ||
| moduleAnalyses, | ||
| moduleAliases, | ||
| this, | ||
| specifier, | ||
| ); | ||
| moduleInstance.execute(); | ||
| return moduleInstance.exportsProxy; | ||
| }, | ||
| toString() { | ||
@@ -203,3 +90,7 @@ return '[object Compartment]'; | ||
| export const makeCompartmentConstructor = (intrinsics, nativeBrander) => { | ||
| export const makeCompartmentConstructor = ( | ||
| targetMakeCompartmentConstructor, | ||
| intrinsics, | ||
| nativeBrander, | ||
| ) => { | ||
| /** | ||
@@ -210,10 +101,14 @@ * Compartment() | ||
| */ | ||
| function Compartment(endowments = {}, moduleMap = {}, options = {}) { | ||
| function Compartment(endowments = {}, _moduleMap = {}, options = {}) { | ||
| if (new.target === undefined) { | ||
| throw new TypeError( | ||
| `Class constructor Compartment cannot be invoked without 'new'`, | ||
| ); | ||
| } | ||
| // Extract options, and shallow-clone transforms. | ||
| const { | ||
| name = '<unknown>', | ||
| transforms = [], | ||
| globalLexicals = {}, | ||
| resolveHook, | ||
| importHook, | ||
| moduleMapHook, | ||
| } = options; | ||
@@ -223,43 +118,18 @@ const globalTransforms = [...transforms]; | ||
| const globalObject = {}; | ||
| initGlobalObject(globalObject, intrinsics, sharedGlobalPropertyNames, { | ||
| globalTransforms, | ||
| nativeBrander, | ||
| makeCompartmentConstructor, | ||
| }); | ||
| initGlobalObject( | ||
| globalObject, | ||
| intrinsics, | ||
| sharedGlobalPropertyNames, | ||
| targetMakeCompartmentConstructor, | ||
| this.constructor.prototype, | ||
| { | ||
| globalTransforms, | ||
| nativeBrander, | ||
| }, | ||
| ); | ||
| assign(globalObject, endowments); | ||
| // Map<FullSpecifier, ModuleCompartmentRecord> | ||
| const moduleRecords = new Map(); | ||
| // Map<FullSpecifier, ModuleInstance> | ||
| const instances = new Map(); | ||
| // Map<FullSpecifier, {ExportsProxy, ProxiedExports, activate()}> | ||
| const deferredExports = new Map(); | ||
| // Validate given moduleMap. | ||
| // The module map gets translated on-demand in module-load.js and the | ||
| // moduleMap can be invalid in ways that cannot be detected in the | ||
| // constructor, but these checks allow us to throw early for a better | ||
| // developer experience. | ||
| for (const [specifier, aliasNamespace] of entries(moduleMap)) { | ||
| if (typeof aliasNamespace === 'string') { | ||
| // TODO implement parent module record retrieval. | ||
| throw new TypeError( | ||
| `Cannot map module ${q(specifier)} to ${q( | ||
| aliasNamespace, | ||
| )} in parent compartment`, | ||
| ); | ||
| } else if (moduleAliases.get(aliasNamespace) === undefined) { | ||
| // TODO create and link a synthetic module instance from the given | ||
| // namespace object. | ||
| throw ReferenceError( | ||
| `Cannot map module ${q( | ||
| specifier, | ||
| )} because it has no known compartment in this realm`, | ||
| ); | ||
| } | ||
| } | ||
| const invalidNames = getOwnPropertyNames(globalLexicals).filter( | ||
| name => !isValidIdentifierName(name), | ||
| identifier => !isValidIdentifierName(identifier), | ||
| ); | ||
@@ -275,9 +145,3 @@ if (invalidNames.length) { | ||
| privateFields.set(this, { | ||
| resolveHook, | ||
| importHook, | ||
| moduleMap, | ||
| moduleMapHook, | ||
| moduleRecords, | ||
| deferredExports, | ||
| instances, | ||
| name, | ||
| globalTransforms, | ||
@@ -297,16 +161,5 @@ globalObject, | ||
| defineProperties(Compartment, { | ||
| prototype: { value: CompartmentPrototype }, | ||
| }); | ||
| Compartment.prototype = CompartmentPrototype; | ||
| return Compartment; | ||
| }; | ||
| // TODO wasteful to do it twice, once before lockdown and again during | ||
| // lockdown. The second is doubly indirect. We should at least flatten that. | ||
| const nativeBrander = tameFunctionToString(); | ||
| export const Compartment = makeCompartmentConstructor( | ||
| getGlobalIntrinsics(globalThis), | ||
| nativeBrander, | ||
| ); |
@@ -46,3 +46,2 @@ // Adapted from SES/Caja | ||
| // eslint-disable-next-line no-inner-declarations | ||
| function getter() { | ||
@@ -52,3 +51,2 @@ return value; | ||
| // eslint-disable-next-line no-inner-declarations | ||
| function setter(newValue) { | ||
@@ -55,0 +53,0 @@ if (obj === this) { |
@@ -17,3 +17,5 @@ import { defineProperty, objectHasOwnProperty, entries } from './commons.js'; | ||
| newGlobalPropertyNames, | ||
| { globalTransforms, nativeBrander, makeCompartmentConstructor }, | ||
| makeCompartmentConstructor, | ||
| compartmentPrototype, | ||
| { globalTransforms, nativeBrander }, | ||
| ) { | ||
@@ -61,8 +63,7 @@ for (const [name, constant] of entries(constantProperties)) { | ||
| if (makeCompartmentConstructor) { | ||
| perCompartmentGlobals.Compartment = makeCompartmentConstructor( | ||
| intrinsics, | ||
| nativeBrander, | ||
| ); | ||
| } | ||
| perCompartmentGlobals.Compartment = makeCompartmentConstructor( | ||
| makeCompartmentConstructor, | ||
| intrinsics, | ||
| nativeBrander, | ||
| ); | ||
@@ -69,0 +70,0 @@ // TODO These should still be tamed according to the whitelist before |
@@ -52,3 +52,7 @@ // Copyright (C) 2018 Agoric | ||
| export function repairIntrinsics(makeCompartmentConstructor, options = {}) { | ||
| export function repairIntrinsics( | ||
| makeCompartmentConstructor, | ||
| compartmentPrototype, | ||
| options = {}, | ||
| ) { | ||
| // First time, absent options default to 'safe'. | ||
@@ -136,6 +140,12 @@ // Subsequent times, absent options default to first options. | ||
| // start compartment, from the intrinsics. | ||
| initGlobalObject(globalThis, intrinsics, initialGlobalPropertyNames, { | ||
| nativeBrander, | ||
| initGlobalObject( | ||
| globalThis, | ||
| intrinsics, | ||
| initialGlobalPropertyNames, | ||
| makeCompartmentConstructor, | ||
| }); | ||
| compartmentPrototype, | ||
| { | ||
| nativeBrander, | ||
| }, | ||
| ); | ||
@@ -168,6 +178,10 @@ /** | ||
| export const makeLockdown = (makeCompartmentConstructor = undefined) => { | ||
| export const makeLockdown = ( | ||
| makeCompartmentConstructor, | ||
| compartmentPrototype, | ||
| ) => { | ||
| const lockdown = (options = {}) => { | ||
| const maybeHardenIntrinsics = repairIntrinsics( | ||
| makeCompartmentConstructor, | ||
| compartmentPrototype, | ||
| options, | ||
@@ -174,0 +188,0 @@ ); |
@@ -1,11 +0,3 @@ | ||
| import { performEval } from './evaluate.js'; | ||
| import { getDeferredExports } from './module-proxy.js'; | ||
| import { | ||
| create, | ||
| getOwnPropertyDescriptors, | ||
| entries, | ||
| keys, | ||
| freeze, | ||
| defineProperty, | ||
| } from './commons.js'; | ||
| import { create, entries, keys, freeze, defineProperty } from './commons.js'; | ||
@@ -40,4 +32,2 @@ // q, for enquoting strings in error messages. | ||
| const { globalLexicals } = compartmentFields; | ||
| const { exportsProxy, proxiedExports, activate } = getDeferredExports( | ||
@@ -56,4 +46,4 @@ compartment, | ||
| // The globalLexicals object is frozen and the corresponding properties of | ||
| // localObject must be immutable, so we copy the descriptors. | ||
| const localObject = create(null, getOwnPropertyDescriptors(globalLexicals)); | ||
| // localLexicals must be immutable, so we copy the descriptors. | ||
| const localLexicals = create(null); | ||
@@ -215,3 +205,3 @@ // {_localName_: init(initValue) -> initValue} used by the | ||
| if (setProxyTrap) { | ||
| defineProperty(localObject, localName, { | ||
| defineProperty(localLexicals, localName, { | ||
| get, | ||
@@ -332,12 +322,6 @@ set, | ||
| let optFunctor = performEval( | ||
| functorSource, | ||
| let optFunctor = compartment.evaluate(functorSource, { | ||
| globalObject, | ||
| localObject, // live bindings over global lexicals | ||
| { | ||
| localTransforms: [], | ||
| globalTransforms: [], | ||
| sloppyGlobalsMode: false, | ||
| }, | ||
| ); | ||
| __moduleShimLexicals__: localLexicals, | ||
| }); | ||
| let didThrow = false; | ||
@@ -344,0 +328,0 @@ let thrownError; |
@@ -37,8 +37,3 @@ // For brevity, in this file, as in module-link.js, the term "moduleRecord" | ||
| // `load` asynchronously loads `StaticModuleRecords` and creates a complete | ||
| // graph of `ModuleCompartmentRecords`. | ||
| // The module records refer to each other by a reference to the dependency's | ||
| // compartment and the specifier of the module within its own compartment. | ||
| // This graph is then ready to be synchronously linked and executed. | ||
| export const load = async ( | ||
| const loadRecord = async ( | ||
| compartmentPrivateFields, | ||
@@ -48,5 +43,43 @@ moduleAliases, | ||
| moduleSpecifier, | ||
| staticModuleRecord, | ||
| ) => { | ||
| const { resolveHook, moduleRecords } = compartmentPrivateFields.get( | ||
| compartment, | ||
| ); | ||
| // resolve all imports relative to this referrer module. | ||
| const resolvedImports = resolveAll( | ||
| staticModuleRecord.imports, | ||
| resolveHook, | ||
| moduleSpecifier, | ||
| ); | ||
| const moduleRecord = freeze({ | ||
| compartment, | ||
| staticModuleRecord, | ||
| moduleSpecifier, | ||
| resolvedImports, | ||
| }); | ||
| // Memoize. | ||
| moduleRecords.set(moduleSpecifier, moduleRecord); | ||
| // Await all dependencies to load, recursively. | ||
| await Promise.all( | ||
| values(resolvedImports).map(fullSpecifier => | ||
| // Behold: recursion. | ||
| // eslint-disable-next-line no-use-before-define | ||
| load(compartmentPrivateFields, moduleAliases, compartment, fullSpecifier), | ||
| ), | ||
| ); | ||
| return moduleRecord; | ||
| }; | ||
| const loadWithoutErrorAnnotation = async ( | ||
| compartmentPrivateFields, | ||
| moduleAliases, | ||
| compartment, | ||
| moduleSpecifier, | ||
| ) => { | ||
| const { | ||
| resolveHook, | ||
| importHook, | ||
@@ -78,3 +111,5 @@ moduleMap, | ||
| } | ||
| const moduleRecord = await load( | ||
| // Behold: recursion. | ||
| // eslint-disable-next-line no-use-before-define | ||
| const aliasRecord = await load( | ||
| compartmentPrivateFields, | ||
@@ -85,4 +120,5 @@ moduleAliases, | ||
| ); | ||
| moduleRecords.set(moduleSpecifier, moduleRecord); | ||
| return moduleRecord; | ||
| // Memoize. | ||
| moduleRecords.set(moduleSpecifier, aliasRecord); | ||
| return aliasRecord; | ||
| } | ||
@@ -97,26 +133,57 @@ | ||
| // resolve all imports relative to this referrer module. | ||
| const resolvedImports = resolveAll( | ||
| staticModuleRecord.imports, | ||
| resolveHook, | ||
| if (staticModuleRecord.record !== undefined) { | ||
| const { | ||
| compartment: aliasCompartment = compartment, | ||
| specifier: aliasSpecifier = moduleSpecifier, | ||
| record: aliasModuleRecord, | ||
| } = staticModuleRecord; | ||
| const aliasRecord = await loadRecord( | ||
| compartmentPrivateFields, | ||
| moduleAliases, | ||
| aliasCompartment, | ||
| aliasSpecifier, | ||
| aliasModuleRecord, | ||
| ); | ||
| // Memoize by aliased specifier. | ||
| moduleRecords.set(moduleSpecifier, aliasRecord); | ||
| return aliasRecord; | ||
| } | ||
| return loadRecord( | ||
| compartmentPrivateFields, | ||
| moduleAliases, | ||
| compartment, | ||
| moduleSpecifier, | ||
| staticModuleRecord, | ||
| ); | ||
| const moduleRecord = freeze({ | ||
| }; | ||
| // `load` asynchronously loads `StaticModuleRecords` and creates a complete | ||
| // graph of `ModuleCompartmentRecords`. | ||
| // The module records refer to each other by a reference to the dependency's | ||
| // compartment and the specifier of the module within its own compartment. | ||
| // This graph is then ready to be synchronously linked and executed. | ||
| export const load = async ( | ||
| compartmentPrivateFields, | ||
| moduleAliases, | ||
| compartment, | ||
| moduleSpecifier, | ||
| ) => { | ||
| return loadWithoutErrorAnnotation( | ||
| compartmentPrivateFields, | ||
| moduleAliases, | ||
| compartment, | ||
| staticModuleRecord, | ||
| moduleSpecifier, | ||
| resolvedImports, | ||
| ).catch(error => { | ||
| const { name } = compartmentPrivateFields.get(compartment); | ||
| // TODO The following drops the causes' stacks. | ||
| // In the future, we should capture the causal chain. | ||
| // https://github.com/Agoric/SES-shim/issues/440 | ||
| throw new error.constructor( | ||
| `${error.message}, loading ${q(moduleSpecifier)} in compartment ${q( | ||
| name, | ||
| )}`, | ||
| ); | ||
| }); | ||
| // Memoize. | ||
| moduleRecords.set(moduleSpecifier, moduleRecord); | ||
| // Await all dependencies to load, recursively. | ||
| await Promise.all( | ||
| values(resolvedImports).map(fullSpecifier => | ||
| load(compartmentPrivateFields, moduleAliases, compartment, fullSpecifier), | ||
| ), | ||
| ); | ||
| return moduleRecord; | ||
| }; |
@@ -156,3 +156,17 @@ import { throwTantrum } from './assertions.js'; | ||
| }, | ||
| // Chip has seen this happen single stepping under the Chrome/v8 debugger. | ||
| // TODO record how to reliably reproduce, and to test if this fix helps. | ||
| // TODO report as bug to v8 or Chrome, and record issue link here. | ||
| getOwnPropertyDescriptor(_target, prop) { | ||
| // Coerce with `String` in case prop is a symbol. | ||
| const quotedProp = JSON.stringify(String(prop)); | ||
| console.warn( | ||
| `getOwnPropertyDescriptor trap on scopeHandler for ${quotedProp}`, | ||
| new Error().stack, | ||
| ); | ||
| return undefined; | ||
| }, | ||
| }; | ||
| } |
@@ -8,13 +8,4 @@ import { | ||
| import { tameV8ErrorConstructor } from './tame-v8-error-constructor.js'; | ||
| import { NativeErrors } from './whitelist.js'; | ||
| // TODO where should this go? | ||
| export const NativeErrors = [ | ||
| EvalError, | ||
| RangeError, | ||
| ReferenceError, | ||
| SyntaxError, | ||
| TypeError, | ||
| URIError, | ||
| ]; | ||
| // Use concise methods to obtain named functions without constructors. | ||
@@ -21,0 +12,0 @@ const tamedMethods = { |
@@ -10,5 +10,2 @@ import { create, getOwnPropertyDescriptors } from './commons.js'; | ||
| // TODO I shouldn't need this eslint-disable for an ignored _ or variable | ||
| // name beginning with underbar. | ||
| // eslint-disable-next-line no-unused-vars | ||
| const { random: _, ...otherDescriptors } = getOwnPropertyDescriptors( | ||
@@ -15,0 +12,0 @@ originalMath, |
@@ -170,2 +170,13 @@ /** | ||
| // All the "subclasses" of Error. These are collectively represented in the | ||
| // EcmaScript spec by the meta variable NativeError. | ||
| export const NativeErrors = [ | ||
| EvalError, | ||
| RangeError, | ||
| ReferenceError, | ||
| SyntaxError, | ||
| TypeError, | ||
| URIError, | ||
| ]; | ||
| /** | ||
@@ -1786,6 +1797,3 @@ * <p>Each JSON record enumerates the disposition of the properties on | ||
| globalThis: getter, | ||
| import: asyncFn, | ||
| load: asyncFn, | ||
| importNow: fn, | ||
| module: fn, | ||
| name: getter, | ||
| // Should this be proposed? | ||
@@ -1798,2 +1806,14 @@ toString: fn, | ||
| '%InitialGetStackString%': fn, | ||
| }; | ||
| export const modulesWhitelist = { | ||
| '%CompartmentPrototype%': { | ||
| ...whitelist['%CompartmentPrototype%'], | ||
| import: asyncFn, | ||
| load: asyncFn, | ||
| importNow: fn, | ||
| module: fn, | ||
| }, | ||
| StaticModuleRecord: { | ||
@@ -1816,4 +1836,2 @@ '[[Proto]]': '%FunctionPrototype%', | ||
| }, | ||
| '%InitialGetStackString%': fn, | ||
| }; |
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- increased by0.31%
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