Pop3ProtocolHandler.sys.mjs

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

import { Pop3Channel } from "resource:///modules/Pop3Channel.sys.mjs";

/**

 * @implements {nsIProtocolHandler}

*/

export class Pop3ProtocolHandler {

  QueryInterface = ChromeUtils.generateQI(["nsIProtocolHandler"]);

  scheme = "pop3";

  newChannel(uri, loadInfo) {

    const channel = new Pop3Channel(uri, loadInfo);

    const spec = uri.spec;

    if (

      spec.includes("part=") &&

      !spec.includes("type=message/rfc822") &&

      !spec.includes("type=application/x-message-display") &&

      !spec.includes("type=application/pdf")

) {

      channel.contentDisposition = Ci.nsIChannel.DISPOSITION_ATTACHMENT;

    } else {

      channel.contentDisposition = Ci.nsIChannel.DISPOSITION_INLINE;

    return channel;

  allowPort() {

    return true;

Pop3ProtocolHandler.prototype.classID = Components.ID(

  "{eed38573-d01b-4c13-9f9d-f69963095a4d}"

);