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always-use
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main
1 changed files with 0 additions and 128 deletions
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@ -1,128 +0,0 @@
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import fetch from "node-fetch";
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async function neopetsAmfphpCall(methodName, args) {
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const url =
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"https://www.neopets.com/amfphp/json.php/" +
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encodeURIComponent(methodName) +
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"/" +
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args.map(encodeURIComponent).join("/");
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const res = await fetch(url, {
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headers: {
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"X-Requested-With": "XMLHttpRequest",
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"User-Agent": "impress-2020 (https://impress-2020.openneo.net/)",
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},
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});
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if (!res.ok) {
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throw new Error(
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`[AMFPHP] HTTP request failed, got status ${res.status} ${res.statusText}`,
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);
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}
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return res.json();
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}
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export async function loadPetMetaData(petName) {
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return neopetsAmfphpCall("PetService.getPet", [petName]);
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}
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export async function loadCustomPetData(petName) {
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// HACK: The json.php amfphp endpoint is known not to support string
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// arguments with leading digits. (It aggressively parses them as ints lmao.)
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// So, we work around it by converting the pet name to its image hash, then
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// prepending "@", which is a special code that can *also* be used in the
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// CustomPetService in place of name, to get a pet's appearance from its image
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// hash.
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const imageHash = await loadImageHashFromPetName(petName);
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console.debug(
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`[loadCustomPetData] Converted pet name ${petName} to @${imageHash}`,
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);
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petName = "@" + imageHash;
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try {
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return neopetsAmfphpCall("CustomPetService.getViewerData", [petName]);
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} catch (error) {
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// If Neopets.com fails to find valid customization data, we return null.
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if (
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error.code === "AMFPHP_RUNTIME_ERROR" &&
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error.faultString === "Unable to find body artwork for this combination."
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) {
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return null;
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} else {
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throw error;
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}
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}
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}
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const PETS_CP_URL_PATTERN =
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/https?:\/\/pets\.neopets\.com\/cp\/([a-z0-9]+)\/[0-9]+\/[0-9]+\.png/;
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async function loadImageHashFromPetName(petName) {
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const res = await fetch(`https://pets.neopets.com/cpn/${petName}/1/1.png`, {
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redirect: "manual",
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});
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if (res.status !== 302) {
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throw new Error(
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`[loadImageHashFromPetName] expected /cpn/ URL to redirect with status ` +
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`302, but instead got status ${res.status} ${res.statusText}`,
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);
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}
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const newUrl = res.headers.get("location");
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const newUrlMatch = newUrl.match(PETS_CP_URL_PATTERN);
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if (newUrlMatch == null) {
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throw new Error(
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`[loadImageHashFromPetName] expected /cpn/ URL to redirect to a /cp/ ` +
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`URL matching ${PETS_CP_URL_PATTERN}, but got ${newUrl}`,
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);
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}
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return newUrlMatch[1];
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}
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export async function loadNCMallPreviewImageHash(basicImageHash, itemIds) {
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const query = new URLSearchParams();
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query.append("selPetsci", basicImageHash);
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for (const itemId of itemIds) {
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query.append("itemsList[]", itemId);
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}
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// When we get rate limited, subsequent requests to the *exact* same URL
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// fail. For our use case, it makes sense to cache-bust that, I think!
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query.append("dti-rand", Math.random());
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const url = `http://ncmall.neopets.com/mall/ajax/petview/getPetData.php?${query}`;
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const res = await fetch(url);
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if (!res.ok) {
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try {
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console.error(
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`[loadNCMallPreviewImageHash] ${res.status} ${res.statusText}:\n` +
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(await res.text()),
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);
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} catch (error) {
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console.error(
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`[loadNCMallPreviewImageHash] could not load response text for ` +
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`NC Mall preview failed request: ${error.message}`,
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);
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}
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throw new Error(
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`could not load NC Mall preview image hash: ${res.status} ${res.statusText}`,
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);
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}
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const dataText = await res.text();
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if (dataText.includes("trying to reload the page too quickly")) {
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throw new Error(`hit the NC Mall rate limit`);
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}
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const data = JSON.parse(dataText);
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if (data.success !== true) {
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throw new Error(
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`NC Mall preview returned non-success data: ${JSON.stringify(data)}`,
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);
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}
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if (!data.newsci) {
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throw new Error(
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`NC Mall preview returned no newsci field: ${JSON.stringify(data)}`,
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);
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}
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return data.newsci;
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}
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