103 lines
3.4 KiB
TypeScript
103 lines
3.4 KiB
TypeScript
import { RegionModel } from '@db/Region';
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import { ServerlistModel } from '@db/Serverlist';
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import proxy from './egg-proxy';
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module.exports = () => {
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return async function (ctx, next) {
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if(!ctx.app.config.envToHost) {
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let envToHost = new Map<string, string>();
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let regions = await RegionModel.getAllRegion();
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for(let { env, webHost } of regions) {
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envToHost.set(env, webHost);
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}
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ctx.app.config.envToHost = envToHost;
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}
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if(!ctx.app.config.sidToHost) {
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await getNewHost(ctx);
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}
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let options = {};
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for(let [env, webHost] of ctx.app.config.envToHost) {
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options[`/web/${env}/`] = {
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target: webHost,
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changeOrigin: true,
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secure: true,
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pathRewrite: function(path) {
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console.log('proxy', path, path.replace(`/web/${env}/`, '/web/'))
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return path.replace(`/web/${env}/`, '/web/')
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}
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}
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}
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if(ctx.request.header['is-proxy'] != 'true') {
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let url = getProxyUrl(ctx.request.url);
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if(url) {
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let sid = getServerId(url, ctx);
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if(!ctx.app.config.sidToHost.has(sid)) {
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await getNewHost(ctx);
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}
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if(!!ctx.app.config.sidToHost.get(sid)) {
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options[url] = {
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target: ctx.app.config.sidToHost.get(sid),
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changeOrigin: true,
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secure: true,
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headers: { "is-proxy": "true" }
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}
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}
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}
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}
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return proxy(options)(ctx, next);
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};
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};
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async function getNewHost(ctx) {
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let envToHost = ctx.app.config.envToHost||new Map();
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let sidToHost = new Map<string, string>();
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let servers = await ServerlistModel.getAllServerList();
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for(let { id, env, isMain } of servers) {
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let webHost = envToHost.get(env);
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sidToHost.set(id.toString(), webHost);
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if(isMain) sidToHost.set('main', webHost);
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}
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if(!sidToHost.has('main') && servers.length > 0) sidToHost.set('main', envToHost.get(servers[0].env));
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ctx.app.config.sidToHost = sidToHost;
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}
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function getProxyUrl(url: string) {
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const urls = [
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'/cb/treatusername',
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'/cb/treatguildname',
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'/cb/getguildbyuser',
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'/cb/refundioscallback',
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'/cb/sendgiftcode',
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'/cb/getrolebyserver',
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'/cb/getserverinfo',
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'/cb/getrolebyuid',
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'/cb/getrolebyuidandserver',
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];
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for(let str of urls) {
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if(url && url.startsWith(str)) {
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return str;
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}
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}
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}
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function getServerId(url: string, ctx: any) {
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switch(url) {
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case '/cb/treatusername':
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case '/cb/treatguildname':
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case '/cb/getguildbyuser':
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return ctx.query.sid.toString();
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case '/cb/refundioscallback':
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return ctx.request.body.sid.toString();
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case '/cb/sendgiftcode':
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return ctx.request.body.server_id.toString();
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case '/cb/getrolebyserver':
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case '/cb/getserverinfo':
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return ctx.query.server_id.toString();
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case '/cb/getrolebyuidandserver':
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return ctx.query? ctx.query.dsid.toString(): ctx.request.body.dsid.toString();
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case '/cb/getrolebyuid':
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return 'main';
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}
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} |