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find a main module in more cases

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This commit is contained in:
erik-krogh
2022-09-08 13:38:19 +02:00
parent 0feeafd0ac
commit aee72357b8
7 changed files with 68 additions and 4 deletions
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22
javascript/ql/lib/semmle/javascript/NodeModuleResolutionImpl.qll
View File

@@ -93,14 +93,28 @@ private string getStem(string name) { result = name.regexpCapture("(.+?)(?:\\.([
* Gets the main module described by `pkg` with the given `priority`.
*/
File resolveMainModule(PackageJson pkg, int priority) {
exists(PathExpr main | main = MainModulePath::of(pkg, ".") |
result = main.resolve() and priority = 0
exists(PathExpr main, int subPriority, string mainPath |
main = MainModulePath::of(pkg, mainPath) and
if mainPath = "." then subPriority = priority else priority = subPriority + 1000
|
result = main.resolve() and subPriority = 0
or
result = tryExtensions(main.resolve(), "index", priority)
result = tryExtensions(main.resolve(), "index", subPriority)
or
not main.resolve() instanceof File and
exists(int n | n = main.getNumComponent() |
result = tryExtensions(main.resolveUpTo(n - 1), getStem(main.getComponent(n - 1)), priority)
result =
tryExtensions(main.resolveUpTo(n - 1), getStem(main.getComponent(n - 1)), subPriority)
)
or
// assuming the files get moved from one dir to another during compilation:
not exists(main.resolve()) and // didn't resolve
count(int i, string comp | comp = main.getComponent(i) and not comp = "." | i) = 2 and // is down one folder
exists(Folder subFolder | subFolder = pkg.getFile().getParentContainer().getAFolder() |
// is in one folder below the package.json, and has the right basename
result =
tryExtensions(subFolder, getStem(main.getComponent(main.getNumComponent() - 1)),
subPriority - 999)
)
)
or

18
javascript/ql/test/query-tests/Security/CWE-079/UnsafeHtmlConstruction/UnsafeHtmlConstruction.expected
View File

@@ -8,6 +8,14 @@ nodes
| jquery-plugin.js:12:31:12:41 | options.foo |
| jquery-plugin.js:14:31:14:35 | stuff |
| jquery-plugin.js:14:31:14:35 | stuff |
| lib2/index.ts:1:28:1:28 | s |
| lib2/index.ts:1:28:1:28 | s |
| lib2/index.ts:2:29:2:29 | s |
| lib2/index.ts:2:29:2:29 | s |
| lib/src/MyNode.ts:1:28:1:28 | s |
| lib/src/MyNode.ts:1:28:1:28 | s |
| lib/src/MyNode.ts:2:29:2:29 | s |
| lib/src/MyNode.ts:2:29:2:29 | s |
| main.js:1:55:1:55 | s |
| main.js:1:55:1:55 | s |
| main.js:2:29:2:29 | s |
@@ -96,6 +104,14 @@ edges
| jquery-plugin.js:11:34:11:40 | options | jquery-plugin.js:12:31:12:37 | options |
| jquery-plugin.js:12:31:12:37 | options | jquery-plugin.js:12:31:12:41 | options.foo |
| jquery-plugin.js:12:31:12:37 | options | jquery-plugin.js:12:31:12:41 | options.foo |
| lib2/index.ts:1:28:1:28 | s | lib2/index.ts:2:29:2:29 | s |
| lib2/index.ts:1:28:1:28 | s | lib2/index.ts:2:29:2:29 | s |
| lib2/index.ts:1:28:1:28 | s | lib2/index.ts:2:29:2:29 | s |
| lib2/index.ts:1:28:1:28 | s | lib2/index.ts:2:29:2:29 | s |
| lib/src/MyNode.ts:1:28:1:28 | s | lib/src/MyNode.ts:2:29:2:29 | s |
| lib/src/MyNode.ts:1:28:1:28 | s | lib/src/MyNode.ts:2:29:2:29 | s |
| lib/src/MyNode.ts:1:28:1:28 | s | lib/src/MyNode.ts:2:29:2:29 | s |
| lib/src/MyNode.ts:1:28:1:28 | s | lib/src/MyNode.ts:2:29:2:29 | s |
| main.js:1:55:1:55 | s | main.js:2:29:2:29 | s |
| main.js:1:55:1:55 | s | main.js:2:29:2:29 | s |
| main.js:1:55:1:55 | s | main.js:2:29:2:29 | s |
@@ -183,6 +199,8 @@ edges
#select
| jquery-plugin.js:12:31:12:41 | options.foo | jquery-plugin.js:11:34:11:40 | options | jquery-plugin.js:12:31:12:41 | options.foo | $@ based on $@ might later cause $@. | jquery-plugin.js:12:31:12:41 | options.foo | HTML construction | jquery-plugin.js:11:34:11:40 | options | library input | jquery-plugin.js:12:20:12:53 | "<span> ... /span>" | cross-site scripting |
| jquery-plugin.js:14:31:14:35 | stuff | jquery-plugin.js:11:27:11:31 | stuff | jquery-plugin.js:14:31:14:35 | stuff | $@ based on $@ might later cause $@. | jquery-plugin.js:14:31:14:35 | stuff | HTML construction | jquery-plugin.js:11:27:11:31 | stuff | library input | jquery-plugin.js:14:20:14:47 | "<span> ... /span>" | cross-site scripting |
| lib2/index.ts:2:29:2:29 | s | lib2/index.ts:1:28:1:28 | s | lib2/index.ts:2:29:2:29 | s | $@ based on $@ might later cause $@. | lib2/index.ts:2:29:2:29 | s | HTML construction | lib2/index.ts:1:28:1:28 | s | library input | lib2/index.ts:3:49:3:52 | html | cross-site scripting |
| lib/src/MyNode.ts:2:29:2:29 | s | lib/src/MyNode.ts:1:28:1:28 | s | lib/src/MyNode.ts:2:29:2:29 | s | $@ based on $@ might later cause $@. | lib/src/MyNode.ts:2:29:2:29 | s | HTML construction | lib/src/MyNode.ts:1:28:1:28 | s | library input | lib/src/MyNode.ts:3:49:3:52 | html | cross-site scripting |
| main.js:2:29:2:29 | s | main.js:1:55:1:55 | s | main.js:2:29:2:29 | s | $@ based on $@ might later cause $@. | main.js:2:29:2:29 | s | HTML construction | main.js:1:55:1:55 | s | library input | main.js:3:49:3:52 | html | cross-site scripting |
| main.js:7:49:7:49 | s | main.js:6:49:6:49 | s | main.js:7:49:7:49 | s | $@ based on $@ might later cause $@. | main.js:7:49:7:49 | s | XML parsing | main.js:6:49:6:49 | s | library input | main.js:8:48:8:66 | doc.documentElement | cross-site scripting |
| main.js:12:49:12:49 | s | main.js:11:60:11:60 | s | main.js:12:49:12:49 | s | $@ based on $@ might later cause $@. | main.js:12:49:12:49 | s | XML parsing | main.js:11:60:11:60 | s | library input | main.js:16:21:16:35 | xml.cloneNode() | cross-site scripting |

10
javascript/ql/test/query-tests/Security/CWE-079/UnsafeHtmlConstruction/lib/package.json Normal file
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@@ -0,0 +1,10 @@
{
"name": "my-unsafe-library",
"main": "./index.js",
"exports": {
"./MyNode": {
"require": "./lib/MyNode.cjs",
"import": "./lib/MyNode.mjs"
}
}
}

4
javascript/ql/test/query-tests/Security/CWE-079/UnsafeHtmlConstruction/lib/src/MyNode.ts Normal file
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@@ -0,0 +1,4 @@
export function trivialXss(s: string) {
const html = "<span>" + s + "</span>"; // NOT OK
document.querySelector("#html").innerHTML = html;
}

4
javascript/ql/test/query-tests/Security/CWE-079/UnsafeHtmlConstruction/lib2/index.ts Normal file
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@@ -0,0 +1,4 @@
export function trivialXss(s: string) {
const html = "<span>" + s + "</span>"; // NOT OK - this file is recognized as a main file.
document.querySelector("#html").innerHTML = html;
}

10
javascript/ql/test/query-tests/Security/CWE-079/UnsafeHtmlConstruction/lib2/package.json Normal file
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@@ -0,0 +1,10 @@
{
"name": "my-unsafe-library",
"main": "./foobar.js",
"exports": {
"./MyNode": {
"require": "./lib/MyNode.cjs",
"import": "./lib/MyNode.mjs"
}
}
}

4
javascript/ql/test/query-tests/Security/CWE-079/UnsafeHtmlConstruction/lib2/src/MyNode.ts Normal file
View File

@@ -0,0 +1,4 @@
export function trivialXss(s: string) {
const html = "<span>" + s + "</span>"; // OK - this file is not recognized as a main file.
document.querySelector("#html").innerHTML = html;
}