Update app.py

app.py

@@ -6,30 +6,30 @@ import os
 app = Flask(__name__)
 @app.route("/",methods=["GET", "POST"])
 def getInfotoMeasure():
-    return render_template("view_pdf.html")
+    return render_template("gui.html")
 # Route to serve the PDF in iframe
+
 @app.route('/view-pdf')
 def view_pdf():
     link = 'https://www.dropbox.com/scl/fi/fjykwhhn9gu9t3kqrflxd/LA002-NOR-ZZ-ZZ-T-A-2403_Architectural-Specification-F10-Brick-and-Block-Walling_A4-_C01.pdf?rlkey=ek9i66i79m0hwp8z5yjs6rp5p&st=jh05a6qs&dl=0'
 
-    # Modify Dropbox link for direct download
     if 'dl=0' in link:
         link = link.replace('dl=0', 'dl=1')
 
-    # Download PDF content
     response = requests.get(link)
+
     if response.status_code == 200:
         pdf_path = 'temp_view.pdf'
         with open(pdf_path, 'wb') as f:
             f.write(response.content)
-        
-        # Serve the PDF file
-        return send_file(pdf_path, mimetype='application/pdf')
+
+        # Serve PDF with CSP header
+        response = send_file(pdf_path, mimetype='application/pdf')
+        response.headers['Content-Security-Policy'] = "frame-src *;"
+        return response
     else:
         return "Failed to download PDF content", 404
 
-# Run Flask server
-
 if __name__ == '__main__':
     app.run(host='0.0.0.0', port=7860)
 # from flask import Flask, request, jsonify