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用于binb阅读器v016112版本的小说漫画的获取脚本
// ==UserScript==
// @name BinB阅读器捕获脚本(v016112)
// @namespace summer-script
// @version 0.5.1
// @description 用于binb阅读器v016112版本的小说漫画的获取脚本
// @author summer
// @match https://r.binb.jp/epm/*
// @grant none
// @run-at document-end
// ==/UserScript==
(function() {
'use strict';
var api = {
cid: '',
token: '',
key: '',
contentServer: null,
tbl: null,
ttx: null,
viewMode: 1,
isdirect: 0,
init: function(cid, cb) {
var api = this;
api.cid = cid;
api.getTbl(function(tbl) {
api.tbl = tbl;
api.getTTX(function(ttx){
api.ttx = ttx;
cb && cb();
});
});
},
getImageUrl: function(path) {
var url = this.contentServer + 'sbcGetImg.php'
var data = {
cid: this.cid,
src: path,
q: this.key,
// vm: this.viewMode
};
var qs = this.buildQuery(data);
return url + '?' + qs;
},
getTbl: function(cb) {
if (null !== this.tbl) {
return this.tbl;
}
// var path = 'swsapi/bibGetCntntInfo';
var path = '/~/bibGetCntntInfo';
var token = this._getRandKey();
var api = this;
var data = {
cid: this.cid,
k: token,
dmytime: (new Date()).getTime()
};
this.token = token;
this.jsonGet(path, data, function(ret) {
if (!ret || 1 !== parseInt(ret.result)) {
cb && cb(false);
return;
}
var item = ret.items[0];
api.key = item.p;
api.contentServer = item.ContentsServer;
api.viewMode = item.ViewMode;
api.isdirect = (1 === item.ServerType);
var tbl = {
stbl: api._decodeTbl(api.cid, token, item.stbl),
ttbl: api._decodeTbl(api.cid, token, item.ttbl),
ctbl: api._decodeTbl(api.cid, token, item.ctbl),
ptbl: api._decodeTbl(api.cid, token, item.ptbl),
};
cb && cb(tbl);
});
},
getTTX: function(cb) {
if (null !== this.ttx) {
return this.ttx;
}
var api = this;
if (null === this.contentServer) {
this.getTbl(function() {
api.getTTX(cb);
});
return;
}
var path = this.contentServer + 'sbcGetCntnt.php';
var data = {
cid: this.cid,
p: this.key,
dmytime: (new Date()).getTime()
};
this.jsonGet(path, data, function(ret) {
if (!ret || 1 !== parseInt(ret.result)) {
cb && cb(false);
return;
}
cb(ret.ttx);
});
},
buildQuery: function(obj) {
var str = [];
for (var p in obj) {
if (obj.hasOwnProperty(p)) {
str.push(encodeURIComponent(p) + "=" + encodeURIComponent(obj[p]));
}
}
return str.join("&");
},
jsonGet: function(path, data, cb) {
if ('function' === typeof(data)) {
cb = data;
} else if ('object' === typeof(data)) {
path += '?' + this.buildQuery(data);
} else if ('string') {
path += data;
}
var xhr = new XMLHttpRequest();
xhr.onreadystatechange = function() {
if (XMLHttpRequest.DONE === xhr.readyState) {
var ret;
if (200 === xhr.status) {
try {
ret = JSON.parse(xhr.responseText);
} catch(err) {
ret = false;
}
cb(ret);
}
}
};
xhr.open('GET', path);
xhr.send();
},
_getRandKey: function() {
var cid = this.cid;
var n = this._getRandomString(16)
, i = Array(Math.ceil(16 / cid.length) + 1).join(cid)
, r = i.substr(0, 16)
, e = i.substr(-16, 16)
, s = 0
, u = 0
, h = 0;
return n.split("").map(function(t, i) {
var keys = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_';
return s ^= n.charCodeAt(i),
u ^= r.charCodeAt(i),
h ^= e.charCodeAt(i),
t + keys[s + u + h & 63]
}).join("")
},
_decodeTbl: function(cid, token, data) {
for (var r = cid + ":" + token, e = 0, s = 0; s < r.length; s++) {
e += r.charCodeAt(s) << s % 16;
}
0 == (e &= 2147483647) && (e = 305419896);
var u = ""
, h = e;
for (s = 0; s < data.length; s++) {
h = h >>> 1 ^ 1210056708 & -(1 & h);
var o = (data.charCodeAt(s) - 32 + h) % 94 + 32;
u += String.fromCharCode(o)
}
try {
return JSON.parse(u)
} catch (t) {
return false
}
},
_getRandomString: function(leng, i) {
var keys = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_';
for (var n = i || keys, r = (n.length, ""), e = 0; e < leng; e++)
r += n.charAt(Math.floor(Math.random() * n.length));
return r
}
};
var reader = {
ptbl: '',
ctbl: '',
stbl: '',
ttbl: '',
total: 0,
button: null,
decoder: null,
init: function(decoder) {
this.decoder = decoder;
return this;
},
isSupport: function() {
var verSupport = ['v016112', '1.6112.5484', '01.6112'];
var verNow = this.getReaderVer();
if (!verNow) {
return false;
}
return (-1 !== verSupport.indexOf(verNow.toString()));
},
isComicReader: function() {
if (undefined !== window.CURRENT_VERSION) {
return false;
}
if (undefined !== window.Z6K1XZ) {
return false;
}
return true;
},
getFrameUrl: function() {
if (undefined === window.BINB_READER_URL) {
return false;
}
var base = window.BINB_READER_URL;
var ver = this.getReaderVer();
var orgn = location.protocol + '//' + location.hostname + '/';
cid = encodeURIComponent(cid);
ver = encodeURIComponent(ver);
orgn = encodeURIComponent(orgn);
var url = base + '&ver=' + ver + '&cid=' + cid + '&msgorgn=' + orgn;
return url;
},
getCid: function() {
if (document.getElementById('binb_cid')) {
return document.getElementById('binb_cid').value;
} else if (undefined !== this._getUrlParam('cid')) {
return this._getUrlParam('cid');
}
return false;
},
getReaderVer: function() {
return window.CURRENT_VERSION || window.ViewerVersion || '';
},
loadImg: function(ttx, cb) {
var reader = this;
var queue = ttx;
if ('string' === typeof(queue)) {
// TODO decode
queue = ('comic' === this.mode) ?
this.decoder.decodeComicTTX(ttx)
: this.decoder.decodeNovelTTX(ttx);
reader.total = queue.length;
}
if (0 === queue.length) {
return;
}
var path = queue.shift();
var sum = this.total;
var now = sum - queue.length;
var img = new Image();
img.onerror = function() {
console.log('image['+now+'] load fail, retrying...');
img.onload = undefined;
queue.unshift(path);
setTimeout(function() {
reader.loadImg(queue, cb);
}, 2000);
};
img.onload = function() {
cb(img, path, now, sum);
reader.loadImg(queue, cb);
};
img.src = api.getImageUrl(path);
},
draw: function(img, imgPath) {
var coords = this.decoder.calcCoords(imgPath, img.width, img.height);
var size = this.decoder.getImgOrgSize(img.width, img.height);
var cv = document.createElement('canvas');
cv.width = size.width;
cv.height = size.height;
var ctx = cv.getContext('2d');
for(var i in coords) {
ctx.drawImage(
img,
coords[i].xsrc,
coords[i].ysrc,
coords[i].width,
coords[i].height,
coords[i].xdest,
coords[i].ydest,
coords[i].width,
coords[i].height
);
}
return cv;
},
download: function(canvas, filename) {
canvas.toBlob(function(blob) {
var url = URL.createObjectURL(blob);
var a = document.createElement('a');
a.download = filename;
a.href = url;
a.click();
});
},
_getUrlParam: function(key) {
var search = location.search.substring(1);
var obj = search.split("&").reduce(function(prev, curr) {
var p = curr.split("=");
if (undefined === p[1]) {
p[1] = '';
}
prev[decodeURIComponent(p[0])] = decodeURIComponent(p[1]);
return prev;
}, {});
return obj[key];
}
};
var decoder = {
init: function(tbl) {
if (!tbl.ptbl || !tbl.ctbl || !tbl.stbl || !tbl.ttbl) {
return false;
}
this.ptbl = tbl.ptbl;
this.ctbl = tbl.ctbl;
this.stbl = tbl.stbl;
this.ttbl = tbl.ttbl;
return true;
},
calcCoords: function(imgPath, width, height) {
this._decodeTbl(imgPath);
var t = {width: width, height, height};
if (null === this.jt)
return false;
if (!this._valiImgSize(t)) {
return [{
xsrc: 0,
ysrc: 0,
width: t.width,
height: t.height,
xdest: 0,
ydest: 0
}];
}
var i = t.width - 2 * this.A * this.Et,
n = t.height - 2 * this.I * this.Et,
r = Math.floor((i + this.A - 1) / this.A),
e = i - (this.A - 1) * r,
s = Math.floor((n + this.I - 1) / this.I),
u = n - (this.I - 1) * s,
h = [];
for (var o = 0; o < this.A * this.I; ++o) {
var a = o % this.A
, c = Math.floor(o / this.A)
, f = this.Et + a * (r + 2 * this.Et) + (this.Tt[c] < a ? e - r : 0)
, l = this.Et + c * (s + 2 * this.Et) + (this.Pt[a] < c ? u - s : 0)
, v = this.jt[o] % this.A
, d = Math.floor(this.jt[o] / this.A)
, p = v * r + (this.It[d] < v ? e - r : 0)
, g = d * s + (this.St[v] < d ? u - s : 0)
, b = this.Tt[c] === a ? e : r
, m = this.Pt[a] === c ? u : s;
0 < i && 0 < n && h.push({
xsrc: f,
ysrc: l,
width: b,
height: m,
xdest: p,
ydest: g
})
}
return h
},
decodeComicTTX: function(ttx) {
var start = ttx.indexOf('t-case') - 1;
var end = ttx.indexOf('/t-case') + 8;
var ttxContent = ttx.substring(start, end);
var imgttx = ttxContent.match(/<t-img.+?>/g);
var content = [];
for (var i = 0; i < imgttx.length; i++) {
var src = /src="(.+?)"/.exec(imgttx[i])[1];
content.push(src);
}
return content;
},
decodeNovelTTX: function(ttx) {
var imgttx = ttx.match(/<t-img.+?>/g);
var content = [];
for (var i = 0; i < imgttx.length; i++) {
var src = /src="(.+?)"/.exec(imgttx[i])[1];
content.push(src);
}
return this._arrUnique(content);
},
getImgOrgSize: function(width, height) {
var t = {width: width, height: height};
return this._valiImgSize(t) ? {
width: t.width - 2 * this.A * this.Et,
height: t.height - 2 * this.I * this.Et
} : t;
},
_decodeTbl: function (imgPath) {
var i = [0, 0];
if (imgPath) {
for (var n = imgPath.lastIndexOf("/") + 1, r = imgPath.length - n, e = 0; e < r; e++)
i[e % 2] += imgPath.charCodeAt(e + n);
i[0] %= 8,
i[1] %= 8
}
var t = this.ctbl[i[1]];
i = this.ptbl[i[0]];
n = t.match(/^=([0-9]+)-([0-9]+)([-+])([0-9]+)-([-_0-9A-Za-z]+)$/)
, r = i.match(/^=([0-9]+)-([0-9]+)([-+])([0-9]+)-([-_0-9A-Za-z]+)$/);
this.jt = null;
this.A = parseInt(n[1], 10);
this.I = parseInt(n[2], 10);
this.Et = parseInt(n[4], 10);
if (null !== n
&& null !== r
&& n[1] === r[1]
&& n[2] === r[2]
&& n[4] === r[4]
&& "+" === n[3]
&& "-" === r[3]
&& (!(8 < this.A || 8 < this.I || 64 < this.A * this.I))) {
e = this.A + this.I + this.A * this.I;
if (n[5].length === e && r[5].length === e) {
var s = this._decodeTblKey(n[5])
, u = this._decodeTblKey(r[5]);
this.It = s.n,
this.St = s.t,
this.Tt = u.n,
this.Pt = u.t,
this.jt = [];
for (var h = 0; h < this.A * this.I; h++)
this.jt.push(s.p[u.p[h]])
}
}
},
_decodeTblKey: function(t) {
var key = [
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, -1,
52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1,
-1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, 63,
-1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -1, -1, -1, -1, -1
];
var i, n = [], r = [], e = [];
for (i = 0; i < this.A; i++)
n.push(key[t.charCodeAt(i)]);
for (i = 0; i < this.I; i++)
r.push(key[t.charCodeAt(this.A + i)]);
for (i = 0; i < this.A * this.I; i++)
e.push(key[t.charCodeAt(this.A + this.I + i)]);
return { t: n, n: r, p: e }
},
_valiImgSize: function(t) {
var i = 2 * this.A * this.Et
, n = 2 * this.I * this.Et;
return t.width >= 64 + i && t.height >= 64 + n && t.width * t.height >= (320 + i) * (320 + n)
},
_arrUnique: function(arr) {
var val;
var map = {};
var output = [];
for (var i = 0; i < arr.length; i++) {
val = arr[i];
if (undefined === map[val]) {
map[val] = true;
output.push(val);
}
}
return output;
}
};
var screenshoter = {
counter: 0,
hook: null,
init: function() {
var func = window.ZXA0CC;
var sser = this;
this.counter = 0;
window.ZXA0CC = function() {
func();
var cvid = window.Z9C0HY[window.Z7K02M];
var cv1 = document.getElementById(cvid);
sser.counter++;
sser.hook && sser.hook(cv1, sser.counter);
};
return this;
},
catch: function(cb) {
this.hook = cb;
},
reset: function() {
window.Z5H0CK(0, false);
},
next: function() {
window.ZKT0I2();
},
ending: function() {
var clast = window.ZHL0PP.ZI50JA() - 1;
var last1 = !(window.ZQH0T9 < clast);
var last2_1 = window.ZQH0T9 == clast;
var last2_2 = false === window.ZHL0PP.Z060JL();
var last2 = !(last2_1 && last2_2);
return last1 && last2;
}
};
var btn = {
button: [],
wrap: null,
init: function() {
this._createWrap();
return this;
},
add: function(text) {
var btn = this._createBtn();
btn.innerText = text;
this.button.push(btn);
return new this._instance(btn);
},
_instance: function(btn) {
this.button = btn;
this.tip = function(text, add) {
if (add) {
text = this.button.innerText + text;
}
this.button.innerText = text;
return this;
};
this.disable = function() {
this.button.disabled = true;
return this;
};
this.enable = function() {
this.button.disabled = true;
return this;
};
this.hide = function() {
this.button.style.display = 'none';
return this;
};
this.show = function() {
this.button.style.display = 'block';
return this;
};
this.onclick = function(cb) {
var thisBtn = this;
this.button.addEventListener('click', function() {
cb(thisBtn)
});
return this;
};
},
_createWrap: function() {
var wrap = document.createElement('div');
wrap.style.top = '6px';
wrap.style.right = '8px';
wrap.style.zIndex = '302';
wrap.style.position = 'fixed';
document.body.appendChild(wrap);
this.wrap = wrap;
},
_createBtn: function() {
var btn = document.createElement('button');
btn.style.marginLeft = '8px';
btn.style.padding = '8px';
btn.style.background = '#fff';
btn.style.border = '1px solid #aaa';
btn.style.borderRadius = '4px';
btn.style.minWidth = '112px';
btn.style.color = '#000';
btn.style.float = 'right'
this.wrap.appendChild(btn);
return btn;
}
};
reader.init(decoder);
btn.init();
var btn1 = btn.add('正在初始化...');
var btn2 = btn.add('正在初始化...');
btn2.hide();
var cid = reader.getCid();
if (!cid) {
btn1.tip('脚本暂不支持当前作品');
return;
}
var jump = reader.getFrameUrl();
if (jump) {
btn1.tip('正在跳转...');
window.location.href = jump;
return;
}
api.init(cid, function() {
var tbl = api.getTbl();
var init_d = decoder.init(tbl);
if (!init_d) {
btn1.tip('初始化失败');
return;
}
if (!reader.isSupport()) {
btn.add('(脚本暂不支持当前作品, 无法保证能正常运行)');
}
if (reader.isComicReader()) {
btn1.tip('开始捕获');
} else {
btn1.tip('提取插图');
btn2.tip('自动截图').show();
}
btn1.onclick(_getFromTTX);
btn2.onclick(_getFromCanvas);
});
function _getFromTTX(btn) {
btn.disable();
btn.tip('正在运行...');
var ttx = api.getTTX();
reader.loadImg(ttx, function(img, path, now, sum) {
var canvas = reader.draw(img, path);
var prefix = document.title;
var filename = prefix + '-img-' + now + '.png';
reader.download(canvas, filename);
btn.tip('正在运行...('+now+'/'+sum+')');
if (now >= sum) {
btn.tip('运行完毕');
}
});
}
function _getFromCanvas(btn) {
btn.disable();
btn.tip('正在运行...');
screenshoter.init();
screenshoter.catch(function(canvas, now) {
btn.tip('正在运行...(第'+now+'页)');
var prefix = document.title;
var filename = prefix + '-screenshot-' + now + '.png';
reader.download(canvas, filename);
if (screenshoter.ending()) {
btn.tip('截图完毕');
return;
}
screenshoter.next();
});
screenshoter.reset();
}
})();