237 lines
7.3 KiB
TypeScript
237 lines
7.3 KiB
TypeScript
import { parseDataVersion, parseAppVersion } from './versions';
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import { getProducts, ProductsConfig } from './products';
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export const DATA_VERSIONS = [
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210529, //
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210703,
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210729,
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210825,
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211002,
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211022,
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211122,
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220103,
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220204,
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220314,
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220415,
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220515,
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220613,
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220718,
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220816,
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220912,
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221029,
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221119,
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221216,
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230121,
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230210,
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230227,
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230329,
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230503,
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230602,
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230710,
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230814,
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230920,
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231113,
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231213,
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240105,
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240202,
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240228,
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240326,
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240429,
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240528,
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240613,
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240702,
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240723,
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240810,
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240904,
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241001,
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241017,
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241107,
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241122,
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250121,
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];
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const kUnlimited = 99999;
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// TODO: Implement automated version checks from this metaserver script.
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// It should check by cron if actual files are really available on all servers.
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export const SERVER = {
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backblaze: {
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// BackBlaze + CloudFlare (US-West) unmetered.
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url: 'https://cdn-us1.organicmaps.app/',
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dataVersions: kUnlimited,
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},
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uk1: {
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// Mythic Beasts VPS (London, UK) 200TB/mo.
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url: 'https://cdn-uk1.organicmaps.app/',
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dataVersions: 3,
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},
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nl1: {
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// // Mythic Beasts VPS (Amsterdam, NL) 200TB/mo.
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url: 'https://cdn-nl1.organicmaps.app/',
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dataVersions: 3,
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},
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planet: {
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// Hetzner BareMetal (Helsinki, Finland) unmetered
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url: 'https://cdn.organicmaps.app/',
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dataVersions: kUnlimited,
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},
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beta: {
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// Alias of the planet above that is proxied via CF and with enabled /maps/ *.mwm caching,
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// to speed-up downloads for beta testers.
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url: 'https://cdn-beta.organicmaps.app/',
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// Can have any non-publicly available maps data version.
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dataVersions: [],
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},
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fi1: {
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// Hetzner Cloud (Helsinki, Finland), 20TB/mo
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url: 'https://cdn-fi1.organicmaps.app/',
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dataVersions: 2,
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},
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de1: {
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// Hetzner Cloud (Falkenstein, Germany), 20TB/mo
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url: 'https://cdn-eu2.organicmaps.app/',
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dataVersions: 2,
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},
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de2: {
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// Hetzner Cloud (Falkenstein, Germany), 20TB/mo
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url: 'https://cdn-de2.organicmaps.app/',
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dataVersions: 3,
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},
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de3: {
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// Hetzner Cloud (Nuremberg, Germany), 20TB/mo
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url: 'https://cdn-de3.organicmaps.app/',
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dataVersions: 4,
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},
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us_east1: {
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// Hetzner Cloud (Ashburn, US East), 20TB/mo
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url: 'https://cdn-us-east1.organicmaps.app/',
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dataVersions: 3,
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},
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us_west1: {
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// Hetzner Cloud (Hillsdate, US West), 20TB/mo
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url: 'https://cdn-us-west1.organicmaps.app/',
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dataVersions: 2,
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},
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vi1: {
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// Vietnam, unlimited 1Gbps bandwidth
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url: 'https://cdn-vi1.organicmaps.app/',
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dataVersions: 5,
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},
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};
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// Exported for tests.
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export const DONATE_URL = 'https://organicmaps.app/donate/';
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export async function getServersList(request: Request) {
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// Private for map files.
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let servers;
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// Starting from 2021-09, our clients have 'X-OM-DataVersion' header with the value
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// of their current maps data version, for example, "211022" (October 22, 2021).
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// It is lowercased by Cloudflare.
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const dataVersion = parseDataVersion(request.headers.get('x-om-dataversion'));
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const abusedVersions = ['1.8.6-4-ios', '1.8.7-1-ios', '1.8.8-1-ios'];
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if (dataVersion === null) {
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// Older clients download from the archive.
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servers = [SERVER.backblaze];
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} else if (dataVersion == 240702 && abusedVersions.includes(request.headers.get('x-om-appversion') || 'unknown')) {
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// Redirect https://apps.apple.com/us/app/mapxplorer-navigation-radar/id6463052823
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// who abuses our servers to a slow download "trap" node.
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return new Response('["https://cdn-fi2.organicmaps.app/"]', {
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headers: { 'Content-Type': 'application/json' },
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});
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} else {
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// eslint-disable-next-line @typescript-eslint/ban-ts-comment
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//@ts-ignore workarounds error TS2339: Property 'continent' does not exist on type 'IncomingRequestCfProperties<unknown>'.
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switch (request.cf?.continent) {
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// See https://developers.cloudflare.com/firewall/cf-firewall-language/fields for a list of all continents.
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case 'NA': // North America
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case 'SA': // South America
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servers = [SERVER.us_east1, SERVER.us_west1, SERVER.uk1, SERVER.nl1, SERVER.planet].filter((server) =>
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DATA_VERSIONS.slice(-server.dataVersions).includes(dataVersion),
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);
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break;
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case 'OC': // Oceania
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servers = [SERVER.vi1, SERVER.us_east1, SERVER.us_west1, SERVER.planet].filter((server) =>
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DATA_VERSIONS.slice(-server.dataVersions).includes(dataVersion),
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);
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break;
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case 'AS': // Asia
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servers = [SERVER.vi1, SERVER.uk1, SERVER.nl1, SERVER.planet].filter((server) =>
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DATA_VERSIONS.slice(-server.dataVersions).includes(dataVersion),
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);
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break;
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default:
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// Every other continent + Tor networks.
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servers = [SERVER.planet, SERVER.uk1, SERVER.nl1, SERVER.fi1, SERVER.de1, SERVER.de2, SERVER.de3].filter(
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(server) => DATA_VERSIONS.slice(-server.dataVersions).includes(dataVersion),
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);
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// Only fallback to the archive in the US if nothing was found closer.
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if (servers.length == 0 && DATA_VERSIONS.slice(-SERVER.backblaze.dataVersions).includes(dataVersion)) {
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servers = [SERVER.backblaze];
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}
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}
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}
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// Fallback to the planet with freshly generated/beta data.
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if (servers.length == 0) {
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servers = [SERVER.beta, SERVER.planet];
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}
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servers = servers.map((server) => server.url);
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// Header "X-OM-AppVersion: 2022.09.22-3-Google" (lowercased by CF) is supported from August 23, 2022.
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const appVersion = parseAppVersion(request.headers.get('x-om-appversion'));
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if (!appVersion) {
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// Old format for <220823
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return new Response(JSON.stringify(servers), {
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headers: { 'Content-Type': 'application/json' },
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});
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}
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// New format for >=220823
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const response: {
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servers: string[];
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settings?: {
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DonateUrl?: string;
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NY?: string;
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};
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productsConfig?: ProductsConfig;
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} = {
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servers: servers,
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};
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// Disable donates for reviewers for all app versions AFTER this one.
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const lastApprovedAndReleasedGoogleAppVersionCode = 241127;
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const lastApprovedAndReleasediOSAppVersionCode = 241127;
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let donatesEnabled = true;
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if (
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appVersion.flavor === 'google' &&
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((typeof request.cf?.asOrganization === 'string' && request.cf?.asOrganization.toLowerCase().includes('google')) ||
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appVersion.code > lastApprovedAndReleasedGoogleAppVersionCode)
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) {
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donatesEnabled = false;
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} else if (appVersion.build === undefined) {
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// Disable donates for older iOS versions without donates menu support.
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donatesEnabled = false;
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} else if (
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appVersion.flavor === 'ios' &&
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((typeof request.cf?.asOrganization === 'string' && request.cf?.asOrganization.toLowerCase().includes('apple')) ||
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appVersion.code > lastApprovedAndReleasediOSAppVersionCode)
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) {
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donatesEnabled = false;
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}
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if (donatesEnabled) {
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// eslint-disable-next-line @typescript-eslint/ban-ts-comment
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response.settings = {
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DonateUrl: DONATE_URL,
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NY: 'false', // Must be `string` instead of `bool`, otherwise clients will crash
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};
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if (appVersion.code >= 241022) {
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const locale = request.headers.get('accept-language');
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response.productsConfig = getProducts(locale);
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}
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}
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return new Response(JSON.stringify(response), {
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headers: { 'Content-Type': 'application/json' },
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});
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}
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