Workaround firefox warning and inject if document is html

TypeError: can't access property "name", s.dataset is undefined

WE2-1143

Signed-off-by: Raul Metsma <raul@metsma.ee>

Author: metsma

.github/workflows/build.yml

@@ -35,7 +35,7 @@ jobs:
         npm run test clean build package
 
     - name: Upload artifacts
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v5
       with:
         name: web-eid-webextension-${{github.run_number}}
         path: dist/

.github/workflows/codeql.yml

@@ -22,13 +22,13 @@ jobs:
       uses: actions/checkout@v5
 
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v3
+      uses: github/codeql-action/init@v4
       with:
         languages: javascript
         queries: +security-and-quality
 
     - name: Autobuild
-      uses: github/codeql-action/autobuild@v3
+      uses: github/codeql-action/autobuild@v4
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v3
+      uses: github/codeql-action/analyze@v4

src/content/TokenSigning/injectPageScript.ts

@@ -34,12 +34,20 @@ export default function injectPageScript(): void {
  * The page script can be found here:
  *   https://github.com/open-eid/chrome-token-signing/blob/master/extension/page.js
  */
+  if (document.contentType !== "text/html" && document.contentType !== "application/xhtml+xml") {
+    return;
+  }
   if (!document.querySelector("script[data-name='TokenSigning']")) {
     const s = document.createElement("script");
 
     s.type = "text/javascript";
-    s.dataset.name = "TokenSigning";
-    s.dataset.by = "Web-eID extension";
+    if (s.dataset) {
+      s.dataset.name = "TokenSigning";
+      s.dataset.by = "Web-eID extension";
+    } else {
+      s.setAttribute("data-name", "TokenSigning");
+      s.setAttribute("data-by", "Web-eID extension");
+    }
 
     if (browser.runtime.getManifest()["manifest_version"] >= 3) {
       s.src = browser.runtime.getURL("token-signing-page-script.js");