Skip to content

JS: superagent modeling #19068

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
Napalys merged 9 commits into from
Mar 21, 2025
Merged

JS: superagent modeling #19068

Show file tree
Hide file tree
Changes from 7 commits
Commits
Show all changes
9 commits
Select commit Hold shift + click to select a range
e5c179d
Added test cases for superagent
Napalys Mar 19, 2025
2e1734e
Added support for `del` function in superagent
Napalys Mar 19, 2025
cdf4f53
Enhance SuperAgent URL request handling for both method calls and dir…
Napalys Mar 19, 2025
539e2ef
Added support for `superagent.agent()`.
Napalys Mar 19, 2025
af567b4
Simplified `SuperAgentUrlRequest`.
Napalys Mar 19, 2025
38624a0
Added change note
Napalys Mar 20, 2025
13e90c1
Update javascript/ql/lib/change-notes/2025-03-20-superagent.md
Napalys Mar 20, 2025
401c6ea
Added test case which is not detected by dataflow.
Napalys Mar 20, 2025
d61d038
Refactored `SuperAgentUrlRequest` to use API graph.
Napalys Mar 20, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 4 additions & 0 deletions javascript/ql/lib/change-notes/2025-03-20-superagent.md
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,4 @@
---
category: minorAnalysis
---
* Improved support for `superagent` to handle the case where the package is directly called as a function, or via the `.del()` or `.agent()` method.
25 changes: 22 additions & 3 deletions javascript/ql/lib/semmle/javascript/frameworks/ClientRequests.qll
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -513,17 +513,36 @@ module ClientRequest {
}
}

/**
* Gets the name of a superagent request method.
*/
private string getSuperagentRequestMethodName() {
result = [httpMethodName(), any(Http::RequestMethodName m), "del", "DEL"]
}

/**
* A model of a URL request made using the `superagent` library.
*/
class SuperAgentUrlRequest extends ClientRequest::Range {
DataFlow::Node url;

SuperAgentUrlRequest() {
exists(string moduleName, DataFlow::SourceNode callee | this = callee.getACall() |
moduleName = "superagent" and
callee = DataFlow::moduleMember(moduleName, httpMethodName()) and
exists(string moduleName | moduleName = "superagent" |
// Handle method calls like superagent.get(url)
this = DataFlow::moduleMember(moduleName, getSuperagentRequestMethodName()).getACall() and
url = this.getArgument(0)
or
// Handle direct calls like superagent('GET', url)
this = DataFlow::moduleImport(moduleName).getACall() and
this.getArgument(0).mayHaveStringValue(getSuperagentRequestMethodName()) and
url = this.getArgument(1)
or
// Handle agent calls like superagent.agent().get(url)
exists(DataFlow::SourceNode agent |
agent = DataFlow::moduleMember(moduleName, "agent").getACall() and
this = agent.getAMethodCall(httpMethodName()) and
url = this.getArgument(0)
)
Copy link
Copy Markdown
Contributor

@asgerf asgerf Mar 20, 2025

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

If you feel like going a step further you could switch to API:: here instead of DataFlow::, but I'll leave it up to you.

Copy link
Copy Markdown
Contributor Author

@Napalys Napalys Mar 20, 2025

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

I have tried to remake it to use API graph d61d038, hopefully I didn't miss anything.

)
}

Expand Down
10 changes: 10 additions & 0 deletions javascript/ql/test/library-tests/frameworks/ClientRequests/ClientRequests.expected
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -91,6 +91,9 @@ test_ClientRequest
| tst.js:286:20:286:55 | new Web ... :8080') |
| tst.js:296:5:299:6 | axios({ ... \\n }) |
| tst.js:312:12:312:36 | fetchPo ... o/bar') |
| tst.js:319:5:319:26 | superag ... ', url) |
| tst.js:320:5:320:23 | superagent.del(url) |
| tst.js:321:5:321:32 | superag ... st(url) |
test_getADataNode
| axiosTest.js:12:5:17:6 | axios({ ... \\n }) | axiosTest.js:15:18:15:55 | { 'Cont ... json' } |
| axiosTest.js:12:5:17:6 | axios({ ... \\n }) | axiosTest.js:16:15:16:35 | {x: 'te ... 'test'} |
Expand Down Expand Up @@ -132,6 +135,7 @@ test_getADataNode
| tst.js:249:1:251:2 | form.su ... e();\\n}) | tst.js:247:24:247:68 | request ... o.png') |
| tst.js:257:1:262:2 | form.su ... rs()\\n}) | tst.js:255:25:255:35 | 'new_value' |
| tst.js:286:20:286:55 | new Web ... :8080') | tst.js:288:21:288:35 | 'Hello Server!' |
| tst.js:321:5:321:32 | superag ... st(url) | tst.js:321:39:321:42 | data |
test_getHost
| tst.js:87:5:87:39 | http.ge ... host}) | tst.js:87:34:87:37 | host |
| tst.js:89:5:89:23 | axios({host: host}) | tst.js:89:18:89:21 | host |
Expand Down Expand Up @@ -240,6 +244,9 @@ test_getUrl
| tst.js:296:5:299:6 | axios({ ... \\n }) | tst.js:296:11:299:5 | {\\n ... ,\\n } |
| tst.js:296:5:299:6 | axios({ ... \\n }) | tst.js:298:14:298:44 | "http:/ ... -axios" |
| tst.js:312:12:312:36 | fetchPo ... o/bar') | tst.js:312:26:312:35 | '/foo/bar' |
| tst.js:319:5:319:26 | superag ... ', url) | tst.js:319:23:319:25 | url |
| tst.js:320:5:320:23 | superagent.del(url) | tst.js:320:20:320:22 | url |
| tst.js:321:5:321:32 | superag ... st(url) | tst.js:321:29:321:31 | url |
test_getAResponseDataNode
| axiosTest.js:4:5:7:6 | axios({ ... \\n }) | axiosTest.js:4:5:7:6 | axios({ ... \\n }) | json | true |
| axiosTest.js:12:5:17:6 | axios({ ... \\n }) | axiosTest.js:12:5:17:6 | axios({ ... \\n }) | json | true |
Expand Down Expand Up @@ -314,3 +321,6 @@ test_getAResponseDataNode
| tst.js:296:5:299:6 | axios({ ... \\n }) | tst.js:303:26:303:37 | err.response | json | false |
| tst.js:296:5:299:6 | axios({ ... \\n }) | tst.js:304:27:304:38 | err.response | json | false |
| tst.js:312:12:312:36 | fetchPo ... o/bar') | tst.js:312:12:312:36 | fetchPo ... o/bar') | fetch.response | true |
| tst.js:319:5:319:26 | superag ... ', url) | tst.js:319:5:319:26 | superag ... ', url) | stream | true |
| tst.js:320:5:320:23 | superagent.del(url) | tst.js:320:5:320:23 | superagent.del(url) | stream | true |
| tst.js:321:5:321:32 | superag ... st(url) | tst.js:321:5:321:32 | superag ... st(url) | stream | true |
6 changes: 6 additions & 0 deletions javascript/ql/test/library-tests/frameworks/ClientRequests/tst.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -314,3 +314,9 @@ function usePolyfill() {
return response.text()
})
}

function useSuperagent(url){
superagent('GET', url);
superagent.del(url);
superagent.agent().post(url).send(data);
}