add support for axios used as a global variable

javascript/ql/lib/semmle/javascript/frameworks/ClientRequests.qll

@@ -197,6 +197,20 @@ module ClientRequest {
   /** Gets the string `url` or `uri`. */
   private string urlPropertyName() { result = "url" or result = "uri" }
 
+  /** An API entry-point for the global variable `axios`. */
+  private class AxiosGlobalEntryPoint extends API::EntryPoint {
+    AxiosGlobalEntryPoint() { this = "axiosGlobal" }
+
+    override DataFlow::SourceNode getASource() { result = DataFlow::globalVarRef("axios") }
+  }
+
+  /** Gets a reference to the `axios` library. */
+  private API::Node axios() {
+    result = API::moduleImport("axios")
+    or
+    result = API::root().getASuccessor(API::Label::entryPoint(any(AxiosGlobalEntryPoint entry)))
+  }
+
   /**
    * A model of a URL request made using the `axios` library.
    */
@@ -204,9 +218,10 @@ module ClientRequest {
     string method;
 
     AxiosUrlRequest() {
-      this = API::moduleImport("axios").getACall() and method = "request"
+      this = axios().getACall() and
+      method = "request"
       or
-      this = API::moduleImport("axios").getMember(method).getACall() and
+      this = axios().getMember(method).getACall() and
       method = [httpMethodName(), "request"]
     }
 

javascript/ql/test/library-tests/frameworks/ClientRequests/ClientRequests.expected

@@ -5,6 +5,8 @@ test_ClientRequest
 | apollo.js:17:1:17:34 | new Pre ... yurl"}) |
 | apollo.js:20:1:20:77 | createN ... phql'}) |
 | apollo.js:23:1:23:31 | new Web ... wsUri}) |
+| axiosTest.js:4:5:7:6 | axios({ ... \\n    }) |
+| axiosTest.js:12:5:17:6 | axios({ ... \\n    }) |
 | puppeteer.ts:6:11:6:42 | page.go ... e.com') |
 | puppeteer.ts:8:5:8:61 | page.ad ... css" }) |
 | puppeteer.ts:18:30:18:50 | page.go ... estUrl) |
@@ -90,6 +92,8 @@ test_ClientRequest
 | tst.js:296:5:299:6 | axios({ ... \\n    }) |
 | tst.js:312:12:312:36 | fetchPo ... o/bar') |
 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'} |
 | tst.js:53:5:53:23 | axios({data: data}) | tst.js:53:18:53:21 | data |
 | tst.js:57:5:57:39 | axios.p ... data2}) | tst.js:57:19:57:23 | data1 |
 | tst.js:57:5:57:39 | axios.p ... data2}) | tst.js:57:33:57:37 | data2 |
@@ -143,6 +147,10 @@ test_getUrl
 | apollo.js:17:1:17:34 | new Pre ... yurl"}) | apollo.js:17:26:17:32 | "myurl" |
 | apollo.js:20:1:20:77 | createN ... phql'}) | apollo.js:20:30:20:75 | 'https: ... raphql' |
 | apollo.js:23:1:23:31 | new Web ... wsUri}) | apollo.js:23:25:23:29 | wsUri |
+| axiosTest.js:4:5:7:6 | axios({ ... \\n    }) | axiosTest.js:4:11:7:5 | {\\n      ... ,\\n    } |
+| axiosTest.js:4:5:7:6 | axios({ ... \\n    }) | axiosTest.js:6:14:6:16 | url |
+| axiosTest.js:12:5:17:6 | axios({ ... \\n    }) | axiosTest.js:12:11:17:5 | {\\n      ... }\\n    } |
+| axiosTest.js:12:5:17:6 | axios({ ... \\n    }) | axiosTest.js:14:14:14:16 | url |
 | puppeteer.ts:6:11:6:42 | page.go ... e.com') | puppeteer.ts:6:21:6:41 | 'https: ... le.com' |
 | puppeteer.ts:8:5:8:61 | page.ad ... css" }) | puppeteer.ts:8:29:8:58 | "http:/ ... le.css" |
 | puppeteer.ts:18:30:18:50 | page.go ... estUrl) | puppeteer.ts:18:40:18:49 | requestUrl |
@@ -233,6 +241,8 @@ test_getUrl
 | 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' |
 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 |
 | tst.js:19:5:19:23 | requestPromise(url) | tst.js:19:5:19:23 | requestPromise(url) | text | true |
 | tst.js:21:5:21:23 | superagent.get(url) | tst.js:21:5:21:23 | superagent.get(url) | stream | true |
 | tst.js:25:5:25:14 | axios(url) | tst.js:25:5:25:14 | axios(url) |  | true |

javascript/ql/test/library-tests/frameworks/ClientRequests/axiosTest.js

@@ -0,0 +1,21 @@
+
+//Use of axios as a global variable instead of an imported module to make Ajax calls 
+var testvar = function () {
+    axios({
+        method: 'get',
+        url: url,
+    }).then(function (response) {
+        console.log(response.data) })
+
+
+
+    axios({
+        method: 'post',
+        url: url,
+        headers: { 'Content-Type': 'application/json' },
+        data: {x: 'test', y:'test'}
+    }).then(function (response) {
+        console.log(response.data) })
+}
+
+