Send tool names as parameter to upload endpoint

src/testdata/tool-names.sarif

@@ -0,0 +1,41 @@
+{
+  "$schema": "https://raw.githubusercontent.com/oasis-tcs/sarif-spec/master/Schemata/sarif-schema-2.1.0.json",
+  "version": "2.1.0",
+  "runs": [
+    {
+      "tool": {
+        "driver": {
+          "name": "CodeQL command-line toolchain"
+        }
+      }
+    },
+    {
+      "tool": {
+        "driver": {
+          "name": "CodeQL command-line toolchain"
+        }
+      }
+    },
+    {
+      "tool": {
+        "driver": {
+          "name": "ESLint"
+        }
+      }
+    },
+    {
+      "tool": {
+        "driver": {
+          "name": ""
+        }
+      }
+    },
+    {
+      "tool": {
+        "driver": {
+          "name": null
+        }
+      }
+    }
+  ]
+}

src/upload-lib.ts

@@ -98,6 +98,8 @@ async function uploadFiles(sarifFiles: string[]) {
             matrix = undefined;
         }
 
+        const toolNames = util.getToolNames(sarifPayload);
+
         const payload = JSON.stringify({
             "commit_oid": commitOid,
             "ref": ref,
@@ -106,7 +108,8 @@ async function uploadFiles(sarifFiles: string[]) {
             "workflow_run_id": workflowRunID,
             "checkout_uri": checkoutURI,
             "environment": matrix,
-            "started_at": startedAt
+            "started_at": startedAt,
+            "tool_names": toolNames,
         });
 
         core.info('Uploading results');

src/util.ts

@@ -293,3 +293,23 @@ export async function reportActionFailed(action: string, cause?: string, excepti
 export async function reportActionSucceeded(action: string) {
     await sendStatusReport(await createStatusReport(action, 'success'));
 }
+
+/**
+ * Get the array of all the tool names contained in the given sarif contents.
+ *
+ * Returns an array of unique string tool names.
+ */
+export function getToolNames(sarifContents: string): string[] {
+    const sarif = JSON.parse(sarifContents);
+    const toolNames = {};
+
+    for (const run of sarif.runs || []) {
+        const tool = run.tool || {};
+        const driver = tool.driver || {};
+        if (typeof driver.name === "string" && driver.name.length > 0) {
+            toolNames[driver.name] = true;
+        }
+    }
+
+    return Object.keys(toolNames);
+}