Merge remote-tracking branch 'upstream/master' into typeAheadSink

This commit is contained in:
Erik Krogh Kristensen
2019-11-27 15:19:06 +01:00
65 changed files with 780 additions and 269 deletions

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@@ -68,7 +68,7 @@ predicate benignContext(Expr e) {
any(InvokeExpr invoke).getCallee() = e
or
// arguments to Promise.resolve (and promise library variants) are benign.
e = any(ResolvedPromiseDefinition promise).getValue().asExpr()
e = any(PromiseCreationCall promise).getValue().asExpr()
}
predicate oneshotClosure(DataFlow::CallNode call) {
@@ -198,7 +198,7 @@ module Deferred {
/**
* A resolved promise created by a `new Deferred().resolve()` call.
*/
class ResolvedDeferredPromiseDefinition extends ResolvedPromiseDefinition {
class ResolvedDeferredPromiseDefinition extends PromiseCreationCall {
ResolvedDeferredPromiseDefinition() {
this = any(DeferredPromiseDefinition def).ref().getAMethodCall("resolve")
}

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@@ -83,9 +83,13 @@ abstract class Module extends TopLevel {
result = c.(Folder).getJavaScriptFile("index")
)
or
// handle the case where the import path is missing an extension
// handle the case where the import path is missing the extension
exists(Folder f | f = path.resolveUpTo(path.getNumComponent() - 1) |
result = f.getJavaScriptFile(path.getBaseName())
or
// If a js file was not found look for a file that compiles to js
not exists(f.getJavaScriptFile(path.getBaseName())) and
result = f.getJavaScriptFile(path.getStem())
)
)
}

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@@ -205,6 +205,9 @@ abstract class PathExpr extends PathExprBase {
/** Gets the base name of the folder or file this path refers to. */
string getBaseName() { result = getValue().(PathString).getBaseName() }
/** Gets the stem, that is, base name without extension, of the folder or file this path refers to. */
string getStem() { result = getValue().(PathString).getStem() }
/**
* Gets the file or folder that the first `n` components of this path refer to
* when resolved relative to the root folder of the given `priority`.

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@@ -30,6 +30,22 @@ module Bluebird {
override DataFlow::Node getValue() { result = getArgument(0) }
}
/**
* An aggregated promise produced either by `Promise.all`, `Promise.race` or `Promise.map`.
*/
class AggregateBluebirdPromiseDefinition extends PromiseCreationCall {
AggregateBluebirdPromiseDefinition() {
exists(string m | m = "all" or m = "race" or m = "map" |
this = bluebird().getAMemberCall(m)
)
}
override DataFlow::Node getValue() {
result = getArgument(0).getALocalSource().(DataFlow::ArrayCreationNode).getAnElement()
}
}
}
/**

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@@ -152,15 +152,20 @@ private class ES2015PromiseDefinition extends PromiseDefinition, DataFlow::NewNo
}
/**
* A promise that is resolved with the given value.
* A promise that is created and resolved with one or more value.
*/
abstract class ResolvedPromiseDefinition extends DataFlow::CallNode {
abstract class PromiseCreationCall extends DataFlow::CallNode {
/**
* Gets the value this promise is resolved with.
*/
abstract DataFlow::Node getValue();
}
/**
* A promise that is created using a `.resolve()` call.
*/
abstract class ResolvedPromiseDefinition extends PromiseCreationCall {}
/**
* A resolved promise created by the standard ECMAScript 2015 `Promise.resolve` function.
*/
@@ -172,6 +177,21 @@ class ResolvedES2015PromiseDefinition extends ResolvedPromiseDefinition {
override DataFlow::Node getValue() { result = getArgument(0) }
}
/**
* An aggregated promise produced either by `Promise.all` or `Promise.race`.
*/
class AggregateES2015PromiseDefinition extends PromiseCreationCall {
AggregateES2015PromiseDefinition() {
exists(string m | m = "all" or m = "race" |
this = DataFlow::globalVarRef("Promise").getAMemberCall(m)
)
}
override DataFlow::Node getValue() {
result = getArgument(0).getALocalSource().(DataFlow::ArrayCreationNode).getAnElement()
}
}
/**
* A data flow edge from a promise reaction to the corresponding handler.
*/
@@ -197,7 +217,7 @@ predicate promiseTaintStep(DataFlow::Node pred, DataFlow::Node succ) {
pred = succ.(PromiseDefinition).getResolveParameter().getACall().getArgument(0)
or
// from `x` to `Promise.resolve(x)`
pred = succ.(ResolvedPromiseDefinition).getValue()
pred = succ.(PromiseCreationCall).getValue()
or
exists(DataFlow::MethodCallNode thn, DataFlow::FunctionNode cb |
thn.getMethodName() = "then" and cb = thn.getCallback(0)

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@@ -840,16 +840,18 @@ module DataFlow {
* An array element pattern viewed as a property read; for instance, in
* `var [ x, y ] = arr`, `x` is a read of property 0 of `arr` and similar
* for `y`.
*
* Note: We currently do not expose the array index as the property name,
* instead treating it as a read of an unknown property.
*/
private class ElementPatternAsPropRead extends PropRead, ElementPatternNode {
override Node getBase() { result = TDestructuringPatternNode(pattern) }
override Expr getPropertyNameExpr() { none() }
override string getPropertyName() { none() }
override string getPropertyName() {
exists (int i |
elt = pattern.getElement(i) and
result = i.toString()
)
}
}
/**

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@@ -211,7 +211,7 @@ private class WindowNameAccess extends RemoteFlowSource {
this = DataFlow::globalObjectRef().getAPropertyRead("name")
or
// Reference to `name` on a container that does not assign to it.
this.accessesGlobal("name") and
this.asExpr().(GlobalVarAccess).getName() = "name" and
not exists(VarDef def |
def.getAVariable().(GlobalVariable).getName() = "name" and
def.getContainer() = this.asExpr().getContainer()

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@@ -0,0 +1,3 @@
import { foo } from "./f.js";
foo();

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@@ -6,6 +6,7 @@ test_ImportSpecifiers
| f.ts:1:8:1:8 | g | f.ts:1:8:1:8 | g |
| g.ts:1:9:1:11 | foo | g.ts:1:9:1:11 | foo |
| import-in-mjs.mjs:1:8:1:24 | exported_from_mjs | import-in-mjs.mjs:1:8:1:24 | exported_from_mjs |
| import-ts-with-js-extension.ts:1:10:1:12 | foo | import-ts-with-js-extension.ts:1:10:1:12 | foo |
| m/c.js:1:8:1:13 | * as b | m/c.js:1:13:1:13 | b |
| tst.html:5:10:5:10 | f | tst.html:5:10:5:10 | f |
| unresolved.js:1:8:1:8 | f | unresolved.js:1:8:1:8 | f |
@@ -43,6 +44,7 @@ test_getImportedName
| f.ts:1:8:1:8 | g | default |
| g.ts:1:9:1:11 | foo | foo |
| import-in-mjs.mjs:1:8:1:24 | exported_from_mjs | default |
| import-ts-with-js-extension.ts:1:10:1:12 | foo | foo |
| tst.html:5:10:5:10 | f | default |
| unresolved.js:1:8:1:8 | f | default |
test_ExportDeclarations
@@ -65,6 +67,7 @@ test_getAnImportedModule
| es2015_require.js | d.js |
| f.ts | e.js |
| g.ts | f.ts |
| import-ts-with-js-extension.ts | f.ts |
| m/c.js | b.js |
test_getSourceNode
| a.js:1:1:3:1 | export ... n 23;\\n} | default | a.js:1:16:3:1 | functio ... n 23;\\n} |
@@ -87,6 +90,7 @@ test_Imports
| f.ts:1:1:1:19 | import g from './e' | f.ts:1:15:1:19 | './e' | 1 |
| g.ts:1:1:1:23 | import ... m './f' | g.ts:1:19:1:23 | './f' | 1 |
| import-in-mjs.mjs:1:1:1:46 | import ... n-mjs'; | import-in-mjs.mjs:1:31:1:45 | 'export-in-mjs' | 1 |
| import-ts-with-js-extension.ts:1:1:1:29 | import ... /f.js"; | import-ts-with-js-extension.ts:1:21:1:28 | "./f.js" | 1 |
| m/c.js:1:1:1:26 | import ... '../b'; | m/c.js:1:20:1:25 | '../b' | 1 |
| tst.html:5:3:5:20 | import f from 'a'; | tst.html:5:17:5:19 | 'a' | 1 |
| unresolved.js:1:1:1:18 | import f from 'a'; | unresolved.js:1:15:1:17 | 'a' | 1 |
@@ -94,6 +98,7 @@ test_NamedImportSpecifier
| d.js:1:10:1:21 | default as g |
| d.js:1:24:1:29 | x as y |
| g.ts:1:9:1:11 | foo |
| import-ts-with-js-extension.ts:1:10:1:12 | foo |
test_GlobalVariableRef
| a.js:5:31:5:31 | o |
| exports.js:3:9:3:15 | exports |

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@@ -1,7 +1,7 @@
import javascript
query predicate test_ResolvedPromiseDefinition(
ResolvedPromiseDefinition resolved, DataFlow::Node res
PromiseCreationCall resolved, DataFlow::Node res
) {
res = resolved.getValue()
}

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@@ -10,6 +10,9 @@ test_getAPropertyRead
| tst.js:34:6:34:12 | vvv.ppp | tst.js:34:6:34:16 | vvv.ppp.qqq |
| tst.js:44:3:44:9 | console | tst.js:44:3:44:13 | console.log |
| tst.js:44:15:44:17 | obj | tst.js:44:15:44:20 | obj[p] |
| tst.js:46:17:46:21 | array | tst.js:47:10:47:10 | x |
| tst.js:46:17:46:21 | array | tst.js:47:13:47:13 | y |
| tst.js:46:17:46:21 | array | tst.js:47:16:47:16 | z |
test_getAPropertyReference
| classes.ts:3:21:3:20 | this | classes.ts:4:3:4:24 | instanc ... foo(); |
| classes.ts:8:3:8:2 | this | classes.ts:8:15:8:35 | public ... erField |
@@ -50,6 +53,9 @@ test_getAPropertyReference
| tst.js:41:12:41:30 | ["a", ...arr3, "d"] | tst.js:41:27:41:29 | "d" |
| tst.js:44:3:44:9 | console | tst.js:44:3:44:13 | console.log |
| tst.js:44:15:44:17 | obj | tst.js:44:15:44:20 | obj[p] |
| tst.js:46:17:46:21 | array | tst.js:47:10:47:10 | x |
| tst.js:46:17:46:21 | array | tst.js:47:13:47:13 | y |
| tst.js:46:17:46:21 | array | tst.js:47:16:47:16 | z |
test_getAPropertySource
| classes.ts:3:21:3:20 | this | instanceField | classes.ts:4:19:4:23 | foo() |
| classes.ts:8:3:8:2 | this | parameterField | classes.ts:8:22:8:35 | parameterField |
@@ -92,6 +98,9 @@ test_getAPropertyRead2
| tst.js:34:6:34:8 | vvv | ppp | tst.js:34:6:34:12 | vvv.ppp |
| tst.js:34:6:34:12 | vvv.ppp | qqq | tst.js:34:6:34:16 | vvv.ppp.qqq |
| tst.js:44:3:44:9 | console | log | tst.js:44:3:44:13 | console.log |
| tst.js:46:17:46:21 | array | 0 | tst.js:47:10:47:10 | x |
| tst.js:46:17:46:21 | array | 1 | tst.js:47:13:47:13 | y |
| tst.js:46:17:46:21 | array | 2 | tst.js:47:16:47:16 | z |
test_getAPropertyReference2
| classes.ts:3:21:3:20 | this | instanceField | classes.ts:4:3:4:24 | instanc ... foo(); |
| classes.ts:8:3:8:2 | this | parameterField | classes.ts:8:15:8:35 | public ... erField |
@@ -116,6 +125,9 @@ test_getAPropertyReference2
| tst.js:34:6:34:8 | vvv | ppp | tst.js:34:6:34:12 | vvv.ppp |
| tst.js:34:6:34:12 | vvv.ppp | qqq | tst.js:34:6:34:16 | vvv.ppp.qqq |
| tst.js:44:3:44:9 | console | log | tst.js:44:3:44:13 | console.log |
| tst.js:46:17:46:21 | array | 0 | tst.js:47:10:47:10 | x |
| tst.js:46:17:46:21 | array | 1 | tst.js:47:13:47:13 | y |
| tst.js:46:17:46:21 | array | 2 | tst.js:47:16:47:16 | z |
test_hasPropertyWrite
| classes.ts:3:21:3:20 | this | instanceField | classes.ts:4:19:4:23 | foo() |
| classes.ts:8:3:8:2 | this | parameterField | classes.ts:8:22:8:35 | parameterField |

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@@ -42,3 +42,8 @@ var arr1 = ["a", "b", "c"],
for (var p in obj)
console.log(obj[p]);
function test(array) {
let [x, y, z] = array;
}

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@@ -309,12 +309,10 @@ nodes
| tst.js:277:22:277:29 | location |
| tst.js:277:22:277:29 | location |
| tst.js:282:9:282:29 | tainted |
| tst.js:282:9:282:29 | tainted |
| tst.js:282:19:282:29 | window.name |
| tst.js:282:19:282:29 | window.name |
| tst.js:285:59:285:65 | tainted |
| tst.js:285:59:285:65 | tainted |
| tst.js:285:59:285:65 | tainted |
| tst.js:297:35:297:42 | location |
| tst.js:297:35:297:42 | location |
| tst.js:297:35:297:42 | location |
@@ -610,11 +608,8 @@ edges
| tst.js:277:22:277:29 | location | tst.js:277:22:277:29 | location |
| tst.js:282:9:282:29 | tainted | tst.js:285:59:285:65 | tainted |
| tst.js:282:9:282:29 | tainted | tst.js:285:59:285:65 | tainted |
| tst.js:282:9:282:29 | tainted | tst.js:285:59:285:65 | tainted |
| tst.js:282:9:282:29 | tainted | tst.js:285:59:285:65 | tainted |
| tst.js:282:19:282:29 | window.name | tst.js:282:9:282:29 | tainted |
| tst.js:282:19:282:29 | window.name | tst.js:282:9:282:29 | tainted |
| tst.js:285:59:285:65 | tainted | tst.js:285:59:285:65 | tainted |
| tst.js:297:35:297:42 | location | tst.js:297:35:297:42 | location |
| typeahead.js:20:13:20:45 | target | typeahead.js:21:12:21:17 | target |
| typeahead.js:20:22:20:38 | document.location | typeahead.js:20:22:20:45 | documen ... .search |
@@ -709,9 +704,7 @@ edges
| tst.js:257:7:257:10 | name | tst.js:257:7:257:10 | name | tst.js:257:7:257:10 | name | Cross-site scripting vulnerability due to $@. | tst.js:257:7:257:10 | name | user-provided value |
| tst.js:261:11:261:21 | window.name | tst.js:261:11:261:21 | window.name | tst.js:261:11:261:21 | window.name | Cross-site scripting vulnerability due to $@. | tst.js:261:11:261:21 | window.name | user-provided value |
| tst.js:277:22:277:29 | location | tst.js:277:22:277:29 | location | tst.js:277:22:277:29 | location | Cross-site scripting vulnerability due to $@. | tst.js:277:22:277:29 | location | user-provided value |
| tst.js:285:59:285:65 | tainted | tst.js:282:9:282:29 | tainted | tst.js:285:59:285:65 | tainted | Cross-site scripting vulnerability due to $@. | tst.js:282:9:282:29 | tainted | user-provided value |
| tst.js:285:59:285:65 | tainted | tst.js:282:19:282:29 | window.name | tst.js:285:59:285:65 | tainted | Cross-site scripting vulnerability due to $@. | tst.js:282:19:282:29 | window.name | user-provided value |
| tst.js:285:59:285:65 | tainted | tst.js:285:59:285:65 | tainted | tst.js:285:59:285:65 | tainted | Cross-site scripting vulnerability due to $@. | tst.js:285:59:285:65 | tainted | user-provided value |
| tst.js:297:35:297:42 | location | tst.js:297:35:297:42 | location | tst.js:297:35:297:42 | location | Cross-site scripting vulnerability due to $@. | tst.js:297:35:297:42 | location | user-provided value |
| typeahead.js:25:18:25:20 | val | typeahead.js:20:22:20:38 | document.location | typeahead.js:25:18:25:20 | val | Cross-site scripting vulnerability due to $@. | typeahead.js:20:22:20:38 | document.location | user-provided value |
| v-html.vue:2:8:2:23 | v-html=tainted | v-html.vue:6:42:6:58 | document.location | v-html.vue:2:8:2:23 | v-html=tainted | Cross-site scripting vulnerability due to $@. | v-html.vue:6:42:6:58 | document.location | user-provided value |

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@@ -88,6 +88,8 @@
}
new Deferred().resolve(onlySideEffects()); // OK
Promise.all([onlySideEffects(), onlySideEffects()])
})();
+function() {
@@ -104,4 +106,4 @@ class Bar extends Foo {
constructor() {
console.log(super()); // OK.
}
}
}