Source code
Revision control
Copy as Markdown
Other Tools
from pathlib import Path
from fledge.tentative.resources import fledge_http_server_util
# General bidding logic script. Depending on query parameters, it can
# simulate a variety of network errors, and its generateBid(), reportWin(),
# and reportAdditionalBidWin() functions can have arbitrary Javascript code
# injected in them. generateBid() will by default return a bid of 9 for the
# first ad.
def main(request, response):
if fledge_http_server_util.handle_cors_headers_and_preflight(request, response):
return
error = request.GET.first(b"error", None)
if error == b"close-connection":
# Close connection without writing anything, to simulate a network
# error. The write call is needed to avoid writing the default headers.
response.writer.write("")
response.close_connection = True
return
if error == b"http-error":
response.status = (404, b"OK")
else:
response.status = (200, b"OK")
if error == b"wrong-content-type":
response.headers.set(b"Content-Type", b"application/json")
elif error != b"no-content-type":
response.headers.set(b"Content-Type", b"application/javascript")
if error == b"bad-allow-fledge":
response.headers.set(b"Ad-Auction-Allowed", b"sometimes")
elif error == b"fledge-not-allowed":
response.headers.set(b"Ad-Auction-Allowed", b"false")
elif error != b"no-allow-fledge":
response.headers.set(b"Ad-Auction-Allowed", b"true")
if error == b"no-body":
return b''
body = (Path(__file__).parent.resolve() / 'worklet-helpers.js').read_text().encode("ASCII")
if error != b"no-generateBid":
# Use bid query param if present. Otherwise, use a bid of 9.
bid = (request.GET.first(b"bid", None) or b"9").decode("ASCII")
bidCurrency = ""
bidCurrencyParam = request.GET.first(b"bidCurrency", None)
if bidCurrencyParam != None:
bidCurrency = "bidCurrency: '" + bidCurrencyParam.decode("ASCII") + "',"
allowComponentAuction = ""
allowComponentAuctionParam = request.GET.first(b"allowComponentAuction", None)
if allowComponentAuctionParam != None:
allowComponentAuction = f"allowComponentAuction: {allowComponentAuctionParam.decode('ASCII')},"
body += f"""
function generateBid(interestGroup, auctionSignals, perBuyerSignals,
trustedBiddingSignals, browserSignals,
directFromSellerSignals,
crossOriginTrustedBiddingSignals) {{
{{{{GET[generateBid]}}}};
return {{
bid: {bid},
{bidCurrency}
{allowComponentAuction}
render: interestGroup.ads[0].renderURL
}};
}}""".encode()
if error != b"no-reportWin":
body += b"""
function reportWin(auctionSignals, perBuyerSignals, sellerSignals,
browserSignals, directFromSellerSignals) {
{{GET[reportWin]}};
}"""
if error != b"no-reportAdditionalBidWin":
body += b"""
function reportAdditionalBidWin(auctionSignals, perBuyerSignals,
sellerSignals, browserSignals,
directFromSellerSignals) {
{{GET[reportAdditionalBidWin]}};
}"""
return body