// ==UserScript==
// @name AutoPager for E-Hentai
// @description Provides an AutoPager-like function for g.E-Hentai.org.
// @grant GM_xmlhttpRequest
// @include http://g.e-hentai.org/*
// @version 0.0.1.20140811092259
// @namespace https://greasyfork.org/users/2233
// ==/UserScript==
var wnd = window
var doc = wnd.document
var loc = location
var href = loc.href
if(/^http:\/\/g\.e-hentai\.org\//.test(href))
{
if(!/\/[gs]\//.test(href)) { throw 'exit' }
var gid = gtoken = ''
if(/\/g\//.test(href))
{
var m = /\/g\/([^\/]+)\/([^\/]+)/.exec(href)
if(m == null) { console.log('Invalid gallery.'); throw 'exit' }
gid = m[1], gtoken = m[2]
}
else if(/\/s\//.test(href))
{
var m = /\/s\/([^\/]+)\/([^\/]+)-([0-9]+)/.exec(href)
if(m == null) { console.log('Invalid image page.'); throw 'exit' }
var imgkey = m[1], gid = m[2], page = m[3]
if(imgkey.length > 10) { imgkey = imgkey.substring(0, 10) }
if(typeof GM_xmlhttpRequest != 'undefined')
{
var gtoken = GM_xmlhttpRequest({
method: 'POST',
url: 'http://g.e-hentai.org/api.php',
data: JSON.stringify({'method':'gtoken', 'pagelist':[[gid, imgkey, page]]}),
synchronous: true
})
}
else
{
var gtoken = new XMLHttpRequest()
gtoken.open('POST', 'http://g.e-hentai.org/api.php', false)
gtoken.send(JSON.stringify({'method':'gtoken', 'pagelist':[[gid, imgkey, page]]}))
}
gtoken = JSON.parse(gtoken.responseText)['tokenlist'][0]['token']
}
if(gid == '' || gtoken == '') { console.log('Cannot find gid or gtoken.'); throw 'exit' }
var filecount = ''
if(typeof GM_xmlhttpRequest != 'undefined')
{
filecount = GM_xmlhttpRequest({
method: 'POST',
url: 'http://g.e-hentai.org/api.php',
data: JSON.stringify({'method':'gdata', 'gidlist':[[gid, gtoken]]}),
synchronous: true
})
}
else
{
filecount = new XMLHttpRequest()
filecount.open('POST', 'http://g.e-hentai.org/api.php', false)
filecount.send(JSON.stringify({'method':'gdata', 'gidlist':[[gid, gtoken]]}))
}
filecount = parseInt(JSON.parse(filecount.responseText)['gmetadata'][0]['filecount'])
if(isNaN(filecount)) { console.log('Cannot find file count.'); throw 'exit' }
if(/\/g\//.test(href))
{
var page = imgkey = ''
page = parseInt(doc.querySelector('#gdt a').href.replace(/^.*-([0-9]+)/, '$1')), page_url = ''
lnks = doc.getElementsByTagName('A')
for(var i=lnks.length-1; i>=0; i--)
{
if(new RegExp('/s/[^/]+/'+gid+'-'+page+'$').test(lnks[i].href))
{
try {
page_url = lnks[i].href
imgkey = /\/s\/([^\/]+)/.exec(lnks[i].href)[1]
if(imgkey.length > 10) { imgkey = imgkey.substring(0, 10) }
} catch(e) {}
break
}
}
}
else if(/\/s\//.test(href)) { page_url = href.replace(/\?.*/, '') }
if(imgkey == '') { console.log('Cannot find the first imgkey.'); throw 'exit' }
var showkey = ''
if(typeof GM_xmlhttpRequest != 'undefined')
{
showkey = GM_xmlhttpRequest({
method: 'GET',
url: page_url,
synchronous: true
})
}
else
{
showkey = new XMLHttpRequest()
showkey.open('GET', page_url, false)
showkey.send(null)
}
try{ showkey = /\bshowkey=['"]?([-0-9a-z]+)/.exec(showkey.responseText)[1] } catch(e) { showkey = '' }
if(showkey == '') { console.log('Cannot find the first showkey.'); throw 'exit' }
var b = doc.body
var append_img = function()
{
if(typeof GM_xmlhttpRequest != 'undefined')
{
GM_xmlhttpRequest({
method: 'POST',
url: 'http://g.e-hentai.org/api.php',
data: JSON.stringify({'method':'showpage', 'gid':gid, 'page':page, 'imgkey':imgkey, 'showkey':showkey}),
onload: function(response)
{
var i3 = JSON.parse(response.responseText)['i3']
var img_src = /src=['"]([^'"]+)['"]/.exec(i3)[1].replace(/&/g, '&')
var img = new Image()
img.id = page
img.onerror = function() { this.onerror = null; this.style.display = 'none' }
img.src = img_src
img.style.cssText = 'display: block; margin-left: auto; margin-right: auto'
img.width = wnd.innerWidth
b.appendChild(doc.createTextNode('p. '+page))
b.appendChild(doc.createElement('BR'))
b.appendChild(img)
b.appendChild(doc.createElement('BR'))
if(page >= filecount) { return }
var m = /\/s\/([^'"]+?)\/[^'"]+-([0-9]+)['"]/.exec(i3)
if(m == null) { console.log('An error happened when parsing p. ' + page); return }
imgkey = m[1]
page = parseInt(m[2])
setTimeout(append_img, 2000)
}
})
}
else
{
var xhr = new XMLHttpRequest()
xhr.onreadystatechange = function() {
if(xhr.readyState == 4 && xhr.status == 200) {
var response = xhr
var i3 = JSON.parse(response.responseText)['i3']
var img_src = /src=['"]([^'"]+)['"]/.exec(i3)[1].replace(/&/g, '&')
var img = new Image()
img.id = page
img.onerror = function() { this.onerror = null; this.style.display = 'none' }
img.src = img_src
img.style.cssText = 'display: block; margin-left: auto; margin-right: auto'
img.width = wnd.innerWidth
b.appendChild(doc.createTextNode('p. '+page))
b.appendChild(doc.createElement('BR'))
b.appendChild(img)
b.appendChild(doc.createElement('BR'))
if(page >= filecount) { return }
var m = /\/s\/([^'"]+?)\/[^'"]+-([0-9]+)['"]/.exec(i3)
if(m == null) { console.log('An error happened when parsing p. ' + page); return }
imgkey = m[1]
page = parseInt(m[2])
setTimeout(append_img, 2000)
}
}
xhr.open('POST', 'http://g.e-hentai.org/api.php', true)
xhr.send(JSON.stringify({'method':'showpage', 'gid':gid, 'page':page, 'imgkey':imgkey, 'showkey':showkey}))
}
}
append_img()
}
