1
/zones/3abcxxxxxxxxxxxxx9e79b/rulesets/741axxxxxxxxxxxx1b228c/rules/24abafxxxxxxxxxxxxxxxfd63e7

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addEventListener("fetch", (event) => {
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  event.respondWith(handleRequest(event.request));
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});
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addEventListener("scheduled", (event) => {
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  event.waitUntil(updateRule());
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});
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const getB2Token = async () => {
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  const res = await fetch(
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    "https://api.backblazeb2.com/b2api/v2/b2_authorize_account",
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    {
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      headers: {
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        Authorization: "Basic " + btoa(B2KeyID + ":" + B2AppKey),
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      },
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    }
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  );
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  const data = await res.json();
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  return data.authorizationToken;
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};
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const updateRule = async () => {
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  const b2Token = await getB2Token();
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  const res = await fetch(
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    `https://api.cloudflare.com/client/v4/zones/${CfZoneID}/rulesets/${CfRulesetID}/rules/${CfRuleID}`,
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    {
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      method: "PATCH",
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      headers: {
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        "Authorization": `Bearer ${CfAuthKey}`
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      },
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      body:
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      `{
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        "description": "修改Backblaze桶地址和访问令牌",
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        "action": "rewrite",
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        "expression": "(http.host eq \\\"${CfHostname}\\\" and not starts_with(http.request.uri.path, \\\"/file/${B2BucketName}\\\"))",
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        "action_parameters": {
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          "uri": {
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              "path": {
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                  "expression": "concat(\\\"/file/${B2BucketName}\\\", http.request.uri.path)"
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              },
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              "query": {
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                  "value": "Authorization=${b2Token}"
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              }
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          }
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        }
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      }`,
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    }
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  );
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  const data = await res.text();
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  console.log(data);
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  return data;
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};
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async function handleRequest(request) {
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  const data = await updateRule();
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  return new Response(data);
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}