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

JS: superagent modeling #19068

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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
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4 changes: 4 additions & 0 deletions javascript/ql/lib/change-notes/2025-03-20-superagent.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,4 @@
---
category: minorAnalysis
---
* Extended support for `superagent` to include function call syntax and agent-based requests.
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25 changes: 22 additions & 3 deletions javascript/ql/lib/semmle/javascript/frameworks/ClientRequests.qll
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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)
)
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@asgerf asgerf Mar 20, 2025

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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.

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@Napalys Napalys Mar 20, 2025

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

)
}

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10 changes: 10 additions & 0 deletions javascript/ql/test/library-tests/frameworks/ClientRequests/ClientRequests.expected
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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
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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);
}