// ==UserScript==
// @name         解除B站区域限制
// @namespace    http://tampermonkey.net/
// @version      2.1.1
// @description  把获取视频地址相关接口的返回值替换成我的反向代理服务器的返回值; 因为替换值的操作是同步的, 所有会卡几下..., 普通视频不受影响; 我的服务器有点渣, 没获取成功请多刷新几下; 当前只支持bangumi.bilibili.com域名下的番剧视频;
// @author       ipcjs
// @include      *://bangumi.bilibili.com/anime/*
// @include      *://bangumi.bilibili.com/anime/v/*
// @include      *://www.bilibili.com/html/html5player.html*
// @run-at       document-start
// @grant        none
// @connect      biliplus.com
// @connect      biliplus.ipcjsdev.tk
// @downloadURL none
// ==/UserScript==

/**
 * 把获取视频地址相关接口的返回值替换成biliplus的接口的返回值,
 * 因为替换值的操作是同步的, 所有会卡几下..., 又因为biliplus的接口不支持跨域请求, 所以使用了我自己的服务器做反向代理(-_-#);
 * 源码仓库: https://github.com/ipcjs/bilibili-helper/tree/user.js
 */

(function () {
    'use strict';
    var biliplusHost = 'http://biliplus.ipcjsdev.tk';
    // var biliplusHost = 'https://www.biliplus.com';
    console.log('[' + GM_info.script.name + '] run on: ' + window.location.href);
    if (!window.jQuery) { // 若还未加载jQuery, 则监听
        var jQuery;
        Object.defineProperty(window, 'jQuery', {
            configurable: true, enumerable: true, set: function (v) {
                jQuery = v;
                injectDataFilter();// 设置jQuery后, 立即注入
            }, get: function () {
                return jQuery;
            }
        });
    } else {
        injectDataFilter();
    }

    function injectDataFilter() {
        window.jQuery.ajaxSetup({
            dataFilter: function (data, type) {
                var json, obj, group, params, curIndex, aid;
                // console.log(arguments, this);
                if (this.url.startsWith(window.location.protocol + '//bangumi.bilibili.com/web_api/get_source')) {
                    // 获取cid API
                    console.log(data);
                    json = JSON.parse(data);
                    if (json.code === -40301) {
                        $.ajax({
                            url: '/web_api/episode/' + window.episode_id + '.json', // 查询episode_id对应的实际av号和index
                            async: false,
                            xhrFields: {withCredentials: true},
                            success: function (info) {
                                var episode = info.result.currentEpisode;
                                // console.log(window.episode_id, '=>', episode.avId, episode.index, episode.page);
                                aid = episode.avId;
                                curIndex = parseInt(episode.page) - 1;
                            },
                            error: function () {
                                console.log('error', arguments, this);
                            }
                        });
                        $.ajax({
                            url: biliplusHost + '/api/view?id=' + aid,
                            async: false,
                            xhrFields: {withCredentials: true},
                            success: function (result) {
                                obj = {
                                    code: 0, message: 'success', result: {
                                        episode_status: 2,
                                        pre_ad: 0,
                                        season_status: 2
                                    }
                                };
                                obj.result.aid = result.id;
                                /*
                                if (result.list.length === 1) {
                                    curIndex = 0;
                                } else {
                                    $.ajax({
                                        url: biliplusHost + '/api/bangumi?season=' + window.season_id,
                                        async: false,
                                        xhrFields: {withCredentials: true},
                                        success: function (data) {
                                            var i, item;
                                            for (i in data.result.episodes) {
                                                item = data.result.episodes[i];
                                                // console.log(item.episode_id, window.episode_id);
                                                if (item.episode_id.toString() === window.episode_id.toString()) { // 有的时候不是string类型, 需要转换_(:3」∠)_
                                                    curIndex = parseInt(item.page) - 1;
                                                    break;
                                                }
                                            }
                                        },
                                        error: function () {
                                            console.log('error', arguments, this);
                                        }
                                    });
                                }
                                */
                                console.log('curIndex:', curIndex);
                                obj.result.cid = result.list[curIndex].cid;
                                obj.result.player = result.list[curIndex].type;
                                obj.result.vid = result.list[curIndex].vid;
                                data = JSON.stringify(obj);
                                console.log('==>', data);
                                // console.log('success', arguments, this);
                            },
                            error: function () {
                                console.log('error', arguments, this);
                            }
                        });
                    }
                } else if (this.url.startsWith('https://bangumi.bilibili.com/player/web_api/playurl')) {
                    // 获取视频地址 API
                    console.log(data);
                    json = JSON.parse(data);
                    if (json.durl.length === 1 && json.durl[0].length === 15126 && json.durl[0].size === 124627) {
                        // https://bangumi.bilibili.com/player/web_api/playurl?cid=10482695&appkey=84956560bc028eb7&otype=json&type=flv&quality=4&module=bangumi&sign=f77367cf031933161a5b6ff8c29a011e
                        // https://biliplus.com/BPplayurl.php?cid=10482695|bangumi&player=1&ts=12345678
                        // ==> http://biliplus.ipcjsdev.tk/BPplayurl.php?cid=10482695|bangumi&otype=json&type=flv&quality=4
                        params = {
                            cid: getParam(this.url, 'cid') + '|bangumi',
                            otype: getParam(this.url, 'otype'),
                            type: getParam(this.url, 'type'),
                            quality: getParam(this.url, 'quality')
                        };
                        $.ajax({
                            url: biliplusHost + '/BPplayurl.php?' + Object.keys(params).map(function (key) {
                                return key + '=' + params[key];
                            }).join('&'),
                            async: false,
                            xhrFields: {withCredentials: true},
                            success: function (result) {
                                // console.log('success', arguments, this);
                                obj = result;
                                if (obj.durl.length === 1 && obj.durl[0].length == 15126 && obj.durl[0].size === 124627) {
                                    if (window.confirm('试图获取视频地址失败, 请登录biliplus' +
                                            '\n注意: 只支持"使用bilibili账户密码进行登录"'
                                        )) {
                                        window.top.location = biliplusHost + '/login';
                                    }
                                } else {
                                    data = JSON.stringify(obj);
                                    console.log('==>', data);
                                }
                            },
                            error: function () {
                                console.log('error', arguments, this);
                            }
                        });
                    }
                } else if (this.url.startsWith(window.location.protocol + '//bangumi.bilibili.com/web_api/season_area')) {
                    // 番剧页面是否要隐藏番剧列表 API
                    console.log(data);
                    json = JSON.parse(data);
                    // 限制区域时的data为:
                    // {"code":0,"message":"success","result":{"play":0}}
                    if (json.code === 0 && json.result && json.result.play === 0) {
                        json.result.play = 1; // 改成1就能够显示
                        data = JSON.stringify(json);
                        console.log('==>', data);
                    }
                }
                return data;
            }
        });
    }

    function getParam(url, key) {
        return (url.match(new RegExp('[?|&]' + key + '=(\\w+)')) || ['', ''])[1];
    }
})();