| def main(request, response): | |
| tag = request.GET.first("tag", None) | |
| match = request.headers.get("If-None-Match", None) | |
| date = request.GET.first("date", "") | |
| modified = request.headers.get("If-Modified-Since", None) | |
| cors = request.GET.first("cors", None) | |
| if request.method == "OPTIONS": | |
| response.headers.set("Access-Control-Allow-Origin", "*") | |
| response.headers.set("Access-Control-Allow-Headers", "IF-NONE-MATCH") | |
| return "" | |
| if tag: | |
| response.headers.set("ETag", '"%s"' % tag) | |
| elif date: | |
| response.headers.set("Last-Modified", date) | |
| if cors: | |
| response.headers.set("Access-Control-Allow-Origin", "*") | |
| if ((match is not None and match == tag) or | |
| (modified is not None and modified == date)): | |
| response.status = (304, "SUPERCOOL") | |
| return "" | |
| else: | |
| if not cors: | |
| response.headers.set("Access-Control-Allow-Origin", "*") | |
| response.headers.set("Content-Type", "text/plain") | |
| return "MAYBE NOT" |