omelop-base-gate
Version:
omelop base gate plugin
48 lines • 3.76 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.GateHandler = void 0;
const crypto_1 = require("crypto");
const common_1 = require("../common");
// 网关处理
class GateHandler {
constructor(app) {
this.app = app;
}
hashDispatch(id, servers) {
if (servers.length === 0) {
return;
}
if (id === null || id === undefined) {
return servers[0];
}
if (typeof (id) !== 'string') {
id = String(id);
}
let md5 = (0, crypto_1.createHash)('md5').update(id).digest('hex');
let hash = parseInt(md5.substr(0, 8), 16);
return servers[hash % servers.length];
}
// 查询该用哪个connector
async queryEntry(msg, session) {
// console.log("queryEntry" + msg.openid);
let openid = msg.openid;
if (!openid) {
return { code: common_1.Code.FAIL };
}
let connectors = this.app.getServersByType('connector');
if (!connectors || connectors.length === 0) {
return { code: common_1.Code.FA_NO_SERVER_AVAILABLE };
}
let res = this.hashDispatch(openid, connectors);
let connectorHost = { code: common_1.Code.OK, host: res.clientHost, port: res.clientPort, openid: openid, hash: '' };
// 计算出hash给connector验证
connectorHost.hash = common_1.common.calcConnectorHostHash(connectorHost);
return connectorHost;
}
}
exports.GateHandler = GateHandler;
function default_1(app) {
return new GateHandler(app);
}
exports.default = default_1;
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