为您探寻到那些弹幕后的作者
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// ==UserScript==
// @name Bilibili - Whose Bullets
// @namespace http://www.xljbear.com/
// @version 0.5
// @description 为您探寻到那些弹幕后的作者
// @author XljBearSoft
// @match https://www.bilibili.com/video/av*
// @match https://www.bilibili.com/bangumi/play/*
// @icon https://www.bilibili.com/favicon.ico
// @supportURL https://greasyfork.org/zh-CN/scripts/40341
// @grant none
// ==/UserScript==
(function() {
setTimeout(WhoseBulletsInit,1000);
})();
var BiliBili_midcrc = function(){
const CRCPOLYNOMIAL = 0xEDB88320;
var startTime=performance.now(),
crctable=new Array(256),
create_table=function(){
var crcreg,
i,j;
for (i = 0; i < 256; ++i)
{
crcreg = i;
for (j = 0; j < 8; ++j)
{
if ((crcreg & 1) !== 0)
{
crcreg = CRCPOLYNOMIAL ^ (crcreg >>> 1);
}
else
{
crcreg >>>= 1;
}
}
crctable[i] = crcreg;
}
},
crc32=function(input){
if(typeof(input)!='string')
input=input.toString();
var crcstart = 0xFFFFFFFF, len = input.length, index;
for(var i=0;i<len;++i){
index = (crcstart ^ input.charCodeAt(i)) & 0xff;
crcstart = (crcstart >>> 8) ^ crctable[index];
}
return crcstart;
},
crc32lastindex=function(input){
if(typeof(input)!='string')
input=input.toString();
var crcstart = 0xFFFFFFFF, len = input.length, index;
for(var i=0; i<len;++i){
index = (crcstart ^ input.charCodeAt(i)) & 0xff;
crcstart = (crcstart >>> 8) ^ crctable[index];
}
return index;
},
getcrcindex=function(t){
for(var i=0;i<256;i++){
if(crctable[i] >>> 24 == t)
return i;
}
return -1;
},
deepCheck=function(i, index){
var tc=0x00,str='',
hash=crc32(i);
tc = hash & 0xff ^ index[2];
if (!(tc <= 57 && tc >= 48))
return [0];
str+=tc-48;
hash = crctable[index[2]] ^ (hash >>> 8);
tc = hash & 0xff ^ index[1];
if (!(tc <= 57 && tc >= 48))
return [0];
str+=tc-48;
hash = crctable[index[1]] ^ (hash >>> 8);
tc = hash & 0xff ^ index[0];
if (!(tc <= 57 && tc >= 48))
return [0];
str+=tc-48;
hash = crctable[index[0]] ^ (hash >>> 8);
return [1,str];
};
create_table();
var index=new Array(4);
return function(input){
var ht=parseInt('0x'+input)^0xffffffff,
snum,i,lastindex,deepCheckData;
for(i=3;i>=0;i--){
index[3-i]=getcrcindex( ht >>> (i*8) );
snum=crctable[index[3-i]];
ht^=snum>>>((3-i)*8);
}
for(i=0;i<10000000; i++){
lastindex = crc32lastindex(i);
if(lastindex == index[3]){
deepCheckData=deepCheck(i,index);
if(deepCheckData[0])
break;
}
}
if(i==10000000)
return -1;
return i+''+deepCheckData[1];
};
};
var b_crc = null;
var crcidList = [];
var menu = '<li class="context-line context-menu-function" data-append="1"><a class="context-menu-a js-action gotoSpace" title="" href="javascript:void(0);" data-disabled="0">- <span>正在获取...</span> -</a></li>';
var menu_fail = '<li class="context-line context-menu-function" data-append="1"><a class="context-menu-a js-action" title="" href="javascript:void(0);" data-disabled="0">- (゜ロ゜;)抱歉!居然失败了... -</a></li>';
function CreateMessageBox(){
var html = '<div id="x_message_box" style="background-color: black;font-size: 13px;color: white;text-align: center;padding: 10px;"></div>';
$(".bilibili-player-area").prepend(html);
$("#x_message_box").hide();
}
function ShowMessage(message){
if(!$("#x_message_box")[0])CreateMessageBox();
$("#x_message_box").slideDown(500);
$("#x_message_box").html("Whose Bullets : " + message);
setTimeout(HideMessage,3000);
}
function HideMessage(){
$("#x_message_box").slideUp(500);
}
function GetAuthorName(mid){
$.post("https://space.bilibili.com/ajax/member/GetInfo",{mid:mid},function(result){
switch(result.data.sex){
case "男":
sex = '(<span style="color:#00a1d6">♂</span>)';
break;
case "女":
sex = '(<span style="color:#fb7299">♀</span>)';
break;
default:
sex = '(<span style="color:#ff6c00">秀吉</span>)';
}
rank = '<span class="bb-comment"><span class="comment-list"><span class="list-item"><span style="display:initial;" class="user"><i class="level l'+ result.data.level_info.current_level +'"></i></span></span></span></span>';
$(".context-menu-a.js-action.gotoSpace>span").html(rank + result.data.name + sex);
$(".context-menu-a.js-action.gotoSpace").attr("title",result.data.place);
});
}
function PageReload(){
ShowMessage("重载视频信息中...");
crcidList = [];
$.ajax({
url:"https://comment.bilibili.com/" + window.cid + ".xml",
dataType:"XML",
success: function(danmu_xml){
$(danmu_xml).find("d").each(function(index,item){
crcid = $(item).attr("p").split(",")[6];
crcidList[index] = crcid;
});
if(crcidList.length>0){
ShowMessage(crcidList.length + "条弹幕处理成功！");
}else{
ShowMessage("弹幕库处理失败！");
}
}
});
}
function WhoseBulletsInit(){
ShowMessage("初始化弹幕库...");
b_crc = new BiliBili_midcrc();
$.ajax({
url:"https://comment.bilibili.com/" + window.cid + ".xml",
dataType:"XML",
success: function(danmu_xml){
$(danmu_xml).find("d").each(function(index,item){
crcid = $(item).attr("p").split(",")[6];
crcidList[index] = crcid;
});
if(crcidList.length>0){
$(document).on("contextmenu",".danmaku-info-row.bpui-selected",function(){
cid = $(this).attr("dmno");
mid = b_crc(crcidList[cid]);
if(mid == -1){
ShowMessage("嗷~用户信息获取失败了...");
$(".bilibili-player-context-menu-container.white.active>ul").prepend(menu_fail);
return;
}
$(".bilibili-player-context-menu-container.white.active>ul").prepend(menu).attr("mid",mid);
GetAuthorName(mid);
});
$(document).on("click","a.gotoSpace",function(){
mid = $(this).parent().parent().attr("mid");
window.open("https://space.bilibili.com/"+ mid +"/#/");
});
$(document).on("click","li[report-id='click_ep']",function(){
setTimeout(PageReload,1000);
});
$(document).on("click","multi-page a",function(){
setTimeout(PageReload,1000);
});
ShowMessage(crcidList.length + "条弹幕处理成功！");
}else{
ShowMessage("弹幕库处理失败！");
}
}
});
}