抓QQ登录包获取cookie（主要是skey）

登录之先需要检查一下QQ号

let u = 'QQ号';
let checkUrl = 'https://ssl.ptlogin2.qq.com/check?pt_tea=2&uin=' + u + '&appid=501038301';

请求checkUrl，得到返回结果

ptui_checkVC('0','!FZT','\x00\x00\x00\x00\x95\x91\xac\xfd','0ab80fcae94f7944e680a99942d85c805fb493998ddafe8ba3a98738e40c4813480d3674257d57de304d227766f6ca628c1e1f6cdbb1d654','2', 'ibFc5wkzaSih-HyciE3Cw2TD23Y1QNXcg3ZSglNiQfMY19DwRL-1kdMxfTAVgI6I')

先来命个名：
第一个参数 status
第二个参数 verifycode
第三个参数 salt
第四个参数 pt_verifysession_v1 *
status值0代表不需要验证码，如果是1代表需要验证码会走另一个流程.
salt和verifycode会带入到密码加密中进行运算.
QQ密码加密

let salt = '\x00\x00\x00\x00\x84\xcf\x0e\x5f';
let verifycode = '!TIV';
let p = entry("你的密码", salt, verifycode);
console.log(p);

p的值即为你的密码加密后结果
登录看看

let loginUrl = 'https://ssl.ptlogin2.qq.com/login?pt_vcode_v1=0&pt_verifysession_v1=' + pt_verifysession_v1 + '&verifycode=' + verifycode + '&u=' + u + '&p=' + p + '&pt_randsalt=2&ptlang=2052&low_login_enable=0&u1=https://im.qq.com/loginSuccess.html&from_ui=1&fp=loginerroralert&device=2&aid=501038301&daid=5&pt_ttype=1&pt_3rd_aid=0&ptredirect=1&h=1&g=1&pt_uistyle=9&regmaster=&';

登录结果

ptuiCB('0','0','https://ptlogin2.im.qq.com/check_sig?pttype=1&uin=xxxxxxxxxxxx','0','登录成功！', '简简单单，快乐就好')

它会返回一堆的Cookie

结尾
总的来说，过程就是这样，还有另外一条路就是需要滑动验证的，在滑动验证成功后它会返回一个ticket给你，也就是pt_verifysession_v1,然后再请求loginUrl即可登录，下方是加密QQ密码需要用到的类库，我已经封装了entry方法，直接调用即可
源JS代码地址：https://cdn-go.cn/qq-web/any.ptlogin2.qq.com/a78d0a81//ptlogin/ver/20021917/js/c_login_2.js

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o=0;0!=e;){if(_<8&&(w[o]=255&(i[y+_]^$[_]),o++,e--,_++),8==_&&(i=t,y=v-8,!d())){return null}}for(p=1;p<8;p++){if(_<8){if(0!=(i[y+_]^$[_])){return null}_++}if(8==_&&(i=t,y=v,!d())){return null}}return w}function c(){for(var t=0;t<8;t++){m[t]^=b?$[t]:w[y+t]}for(var e=u(m),t=0;t<8;t++){w[v+t]=e[t]^$[t],$[t]=m[t]}y=v,v+=8,_=0,b=!1}function u(t){for(var e=16,o=i(t,0,4),p=i(t,4,4),r=i(f,0,4),s=i(f,4,4),a=i(f,8,4),l=i(f,12,4),c=0;e-->0;){c+=2654435769,c=(4294967295&c)>>>0,o+=(p<<4)+r^p+c^(p>>>5)+s,o=(4294967295&o)>>>0,p+=(o<<4)+a^o+c^(o>>>5)+l,p=(4294967295&p)>>>0}var u=new Array(8);return n(u,0,o),n(u,4,p),u}function g(t){for(var e=16,o=i(t,0,4),p=i(t,4,4),r=i(f,0,4),s=i(f,4,4),a=i(f,8,4),l=i(f,12,4),c=3816266640;e-->0;){p-=(o<<4)+a^o+c^(o>>>5)+l,p=(4294967295&p)>>>0,o-=(p<<4)+r^p+c^(p>>>5)+s,o=(4294967295&o)>>>0,c-=2654435769,c=(4294967295&c)>>>0}var u=new Array(8);return n(u,0,o),n(u,4,p),u}function d(){for(var t=(k.length,0);t<8;t++){$[t]^=k[v+t]}return $=g($),v+=8,_=0,!0}function h(t,e){var i=[];if(e){for(var n=0;n<t.length;n++){i[n]=255&t.charCodeAt(n)}}else{for(var o=0,n=0;n<t.length;n+=2){i[o++]=parseInt(t.substr(n,2),16)}}return i}var f="",_=0,m=[],$=[],v=0,y=0,w=[],k=[],b=!0;t.TEA={encrypt:function(t,e){return o(a(h(t,e)))},enAsBase64:function(t,e){for(var i=h(t,e),n=a(i),o="",p=0;p<n.length;p++){o+=String.fromCharCode(n[p])}return btoa(o)},decrypt:function(t){return o(l(h(t,!1)))},initkey:function(t,e){f=h(t,e)},bytesToStr:p,strToBytes:r,bytesInStr:o,dataFromStr:h};var q={};q.PADCHAR="=",q.ALPHA="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",q.getbyte=function(t,e){var i=t.charCodeAt(e);if(i>255){throw"INVALID_CHARACTER_ERR: DOM Exception 5"}return i},q.encode=function(t){if(1!=arguments.length){throw"SyntaxError: Not enough arguments"}var e,i,n=q.PADCHAR,o=q.ALPHA,p=q.getbyte,r=[];t=""+t;var s=t.length-t.length%3;if(0==t.length){return t}for(e=0;e<s;e+=3){i=p(t,e)<<16|p(t,e+1)<<8|p(t,e+2),r.push(o.charAt(i>>18)),r.push(o.charAt(i>>12&63)),r.push(o.charAt(i>>6&63)),r.push(o.charAt(63&i))}switch(t.length-s){case 1:i=p(t,e)<<16,r.push(o.charAt(i>>18)+o.charAt(i>>12&63)+n+n);break;case 2:i=p(t,e)<<16|p(t,e+1)<<8,r.push(o.charAt(i>>18)+o.charAt(i>>12&63)+o.charAt(i>>6&63)+n)}return r.join("")},window.btoa||(window.btoa=q.encode)}(window),$=window.$||{},$pt=window.$pt||{},$.Encryption=$pt.Encryption=function(){function t(t){return e(t)}function e(t){return u(i(c(t),t.length*m))}function i(t,e){t[e>>5]|=128<<e%32,t[14+(e+64>>>9<<4)]=e;for(var i=1732584193,n=-271733879,l=-1732584194,c=271733878,u=0;u<t.length;u+=16){var g=i,d=n,h=l,f=c;i=o(i,n,l,c,t[u+0],7,-680876936),c=o(c,i,n,l,t[u+1],12,-389564586),l=o(l,c,i,n,t[u+2],17,606105819),n=o(n,l,c,i,t[u+3],22,-1044525330),i=o(i,n,l,c,t[u+4],7,-176418897),c=o(c,i,n,l,t[u+5],12,1200080426),l=o(l,c,i,n,t[u+6],17,-1473231341),n=o(n,l,c,i,t[u+7],22,-45705983),i=o(i,n,l,c,t[u+8],7,1770035416),c=o(c,i,n,l,t[u+9],12,-1958414417),l=o(l,c,i,n,t[u+10],17,-42063),n=o(n,l,c,i,t[u+11],22,-1990404162),i=o(i,n,l,c,t[u+12],7,1804603682),c=o(c,i,n,l,t[u+13],12,-40341101),l=o(l,c,i,n,t[u+14],17,-1502002290),n=o(n,l,c,i,t[u+15],22,1236535329),i=p(i,n,l,c,t[u+1],5,-165796510),c=p(c,i,n,l,t[u+6],9,-1069501632),l=p(l,c,i,n,t[u+11],14,643717713),n=p(n,l,c,i,t[u+0],20,-373897302),i=p(i,n,l,c,t[u+5],5,-701558691),c=p(c,i,n,l,t[u+10],9,38016083),l=p(l,c,i,n,t[u+15],14,-660478335),n=p(n,l,c,i,t[u+4],20,-405537848),i=p(i,n,l,c,t[u+9],5,568446438),c=p(c,i,n,l,t[u+14],9,-1019803690),l=p(l,c,i,n,t[u+3],14,-187363961),n=p(n,l,c,i,t[u+8],20,1163531501),i=p(i,n,l,c,t[u+13],5,-1444681467),c=p(c,i,n,l,t[u+2],9,-51403784),l=p(l,c,i,n,t[u+7],14,1735328473),n=p(n,l,c,i,t[u+12],20,-1926607734),i=r(i,n,l,c,t[u+5],4,-378558),c=r(c,i,n,l,t[u+8],11,-2022574463),l=r(l,c,i,n,t[u+11],16,1839030562),n=r(n,l,c,i,t[u+14],23,-35309556),i=r(i,n,l,c,t[u+1],4,-1530992060),c=r(c,i,n,l,t[u+4],11,1272893353),l=r(l,c,i,n,t[u+7],16,-155497632),n=r(n,l,c,i,t[u+10],23,-1094730640),i=r(i,n,l,c,t[u+13],4,681279174),c=r(c,i,n,l,t[u+0],11,-358537222),l=r(l,c,i,n,t[u+3],16,-722521979),n=r(n,l,c,i,t[u+6],23,76029189),i=r(i,n,l,c,t[u+9],4,-640364487),c=r(c,i,n,l,t[u+12],11,-421815835),l=r(l,c,i,n,t[u+15],16,530742520),n=r(n,l,c,i,t[u+2],23,-995338651),i=s(i,n,l,c,t[u+0],6,-198630844),c=s(c,i,n,l,t[u+7],10,1126891415),l=s(l,c,i,n,t[u+14],15,-1416354905),n=s(n,l,c,i,t[u+5],21,-57434055),i=s(i,n,l,c,t[u+12],6,1700485571),c=s(c,i,n,l,t[u+3],10,-1894986606),l=s(l,c,i,n,t[u+10],15,-1051523),n=s(n,l,c,i,t[u+1],21,-2054922799),i=s(i,n,l,c,t[u+8],6,1873313359),c=s(c,i,n,l,t[u+15],10,-30611744),l=s(l,c,i,n,t[u+6],15,-1560198380),n=s(n,l,c,i,t[u+13],21,1309151649),i=s(i,n,l,c,t[u+4],6,-145523070),c=s(c,i,n,l,t[u+11],10,-1120210379),l=s(l,c,i,n,t[u+2],15,718787259),n=s(n,l,c,i,t[u+9],21,-343485551),i=a(i,g),n=a(n,d),l=a(l,h),c=a(c,f)
}return 16==v?Array(n,l):Array(i,n,l,c)}function n(t,e,i,n,o,p){return a(l(a(a(e,t),a(n,p)),o),i)}function o(t,e,i,o,p,r,s){return n(e&i|~e&o,t,e,p,r,s)}function p(t,e,i,o,p,r,s){return n(e&o|i&~o,t,e,p,r,s)}function r(t,e,i,o,p,r,s){return n(e^i^o,t,e,p,r,s)}function s(t,e,i,o,p,r,s){return n(i^(e|~o),t,e,p,r,s)}function a(t,e){var i=(65535&t)+(65535&e);return(t>>16)+(e>>16)+(i>>16)<<16|65535&i}function l(t,e){return t<<e|t>>>32-e}function c(t){for(var e=Array(),i=(1<<m)-1,n=0;n<t.length*m;n+=m){e[n>>5]|=(t.charCodeAt(n/m)&i)<<n%32}return e}function u(t){for(var e=_?"0123456789ABCDEF":"0123456789abcdef",i="",n=0;n<4*t.length;n++){i+=e.charAt(t[n>>2]>>n%4*8+4&15)+e.charAt(t[n>>2]>>n%4*8&15)}return i}function g(t){for(var e=[],i=0;i<t.length;i+=2){e.push(String.fromCharCode(parseInt(t.substr(i,2),16)))}return e.join("")}function d(t,e){if(!(Math.random()>(e||1))){try{var i=location.protocol+"//ui.ptlogin2.qq.com/cgi-bin/report?id="+t;document.createElement("img").src=i}catch(t){}}}function h(e,i,n,o){n=n||"",e=e||"";for(var p=o?e:t(e),r=g(p),s=t(r+i),a=TEA.strToBytes(n.toUpperCase(),!0),l=Number(a.length/2).toString(16);l.length<4;){l="0"+l}TEA.initkey(s);var c=TEA.encrypt(p+TEA.strToBytes(i)+l+a);TEA.initkey("");for(var u=Number(c.length/2).toString(16);u.length<4;){u="0"+u}var h=$pt.RSA.rsa_encrypt(g(u+c));return setTimeout(function(){d(488358,1)},0),btoa(g(h)).replace(/[\/\+=]/g,function(t){return{"/":"-","+":"*","=":"_"}[t]})}function f(e,i,n){var o=n?e:t(e),p=o+i.toUpperCase();return $.RSA.rsa_encrypt(p)}var _=1,m=8,v=32;return{getEncryption:h,getRSAEncryption:f,md5:t}}();
//这个函数是直接封装完成的 直接调用这个函数就可以实现加密
// $.Encryption.getEncryption(密码, salt, verifycode, isSafe),
function entry(n,salt,verifycode) {
    return $.Encryption.getEncryption(n,salt,verifycode, false);
}