vpn.email.client/mainWrite.js

Vpn.Email client IMAP core

"use strict";
const Stream = require("stream");
const Compress = require("./compress");
class mainWrite extends Stream.Writable {
    constructor(imapCluster, password, isSsl, uuid, count) {
        super();
        this.imapCluster = imapCluster;
        this.password = password;
        this.isSsl = isSsl;
        this.uuid = uuid;
        this.count = count;
        this.src = null;
    }
    packageBuffer(buffer, enpty) {
        if (!enpty) {
            return Compress.packetBuffer(5, this.count++, this.uuid, buffer);
        }
        Compress.encrypt(buffer, this.password, (err, data) => {
            return Compress.packetBuffer(0, this.count++, this.uuid, data);
        });
    }
    _write(chunk, encoding, down) {
        console.log(`[${this.uuid}] got data ${chunk.length}`);
        if (chunk.length < 3000 || this.isSsl && this.count < 6) {
            this.imapCluster.pushMainData(this.packageBuffer(chunk, false));
            return down();
        }
        const data = this.imapCluster.getDataUuid(this.uuid) ||
            {
                buffer: null,
                uuid: this.uuid,
                index: this.count++,
                noExcrypt: this.isSsl
            };
        if (data.buffer) {
            console.log('imapCluster.getDataUuid find data');
            data.buffer = Buffer.concat([data.buffer, chunk]);
        }
        else {
            data.buffer = chunk;
        }
        this.imapCluster.pushData(data);
        return down();
    }
    sendEnd() {
        const buffer = Compress.packetBuffer(2, this.count, this.uuid, null);
        this.imapCluster.pushMainData(buffer);
    }
}
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = mainWrite;