// ==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/*
// @include http://exhentai.org/*
// @version 0.0.1.20150625174318
// @namespace https://greasyfork.org/users/2233
// ==/UserScript==
var wnd = window
var doc = wnd.document
var loc = location
var href = loc.href
var $ = function(e, css) { if(!css) { css=e; e=doc }; return e.querySelector(css) }
var $$ = function(e, css) { if(!css) { css=e; e=doc }; return e.querySelectorAll(css) }
/*** Settings ***/
var freq = [5, 7] // min seconds ~ max seconds
/*** End of Settings ***/
if(((/^http:\/\/g\.e-hentai\.org\//.test(href)) || (/^http:\/\/exhentai\.org\//.test(href))) && (/\/[gs]\//.test(href))) {
var api_url = ''
if(/^http:\/\/g\.e-hentai\.org\//.test(href)) { api_url = 'http://g.e-hentai.org/api.php' }
else if(/^http:\/\/exhentai\.org\//.test(href)) { api_url = 'http://exhentai.org/api.php' }
if(!api_url) { throw 'exit' }
// g: gid, gtoken; s: gid, gtoken, imgkey
var gid = gtoken = ''
if(/\/g\//.test(href)) {
if(!/\??\bp=/.test(href)) { loc.assign(href + '?p=0') }
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 xhr = GM_xmlhttpRequest({
method: 'POST',
url: api_url,
data: JSON.stringify({'method':'gtoken', 'pagelist':[[gid, imgkey, page]]}),
synchronous: true
})
}
else {
var xhr = new XMLHttpRequest()
xhr.open('POST', api_url, false)
xhr.send(JSON.stringify({'method':'gtoken', 'pagelist':[[gid, imgkey, page]]}))
}
console.log('xhr.responseText = ' + xhr.responseText)
gtoken = JSON.parse(xhr.responseText)['tokenlist'][0]['token']
}
console.log('gid = ' + gid + ', gtoken = ' + gtoken)
if(gid == '') { console.log('Cannot find gid.') }
if(gtoken == '') { console.log('Cannot find gtoken.') }
if((gid == '') || (gtoken == '')) { throw 'exit' }
// g: filecount; s: filecount
var filecount = ''
if(typeof GM_xmlhttpRequest != 'undefined') {
var xhr = GM_xmlhttpRequest({
method: 'POST',
url: api_url,
data: JSON.stringify({'method':'gdata', 'gidlist':[[gid, gtoken]]}),
synchronous: true
})
}
else {
var xhr = new XMLHttpRequest()
xhr.open('POST', api_url, false)
xhr.send(JSON.stringify({'method':'gdata', 'gidlist':[[gid, gtoken]]}))
}
console.log('xhr.responseText = ' + xhr.responseText)
filecount = parseInt(JSON.parse(xhr.responseText)['gmetadata'][0]['filecount'])
console.log('filecount = ' + filecount)
if(isNaN(filecount)) { console.log('Cannot find filecount.'); throw 'exit' }
// g: page_url, imgkey; s: page_url
if(/\/g\//.test(href)) {
var imgkey = page_url = ''
//var page = $$('.ip')[0].textContent.match(/\d+/)[0], page_url = ''
//var page = parseInt($('#gdt a').href.replace(/^.*-([0-9]+)/, '$1')), page_url = ''
var page = parseInt($('.gpc').textContent.match(/\d+/)[0])
console.log('page = ' + page)
var lnks = $$('A[href*="/s/"]')
var url_pattern = new RegExp('/s/[^/]+/'+gid+'-'+page+'$')
for(var i=lnks.length-1; i>=0; i--) {
if(url_pattern.test(lnks[i].href)) {
page_url = lnks[i].href
imgkey = /\/s\/([^\/]+)/.exec(lnks[i].href)[1]
//if(imgkey.length > 10) { imgkey = imgkey.substring(0, 10) }
break
}
}
}
else if(/\/s\//.test(href)) { page_url = href.replace(/\?.*/, '') }
console.log('page_url = ' + page_url + ', imgkey = ' + imgkey)
if(page_url == '') { console.log('Cannot find page_url.') }
if(imgkey == '') { console.log('Cannot find the first imgkey.') }
if((page_url == '') || (imgkey == '')) { throw 'exit' }
// g: showkey; s: showkey
var showkey = ''
if(typeof GM_xmlhttpRequest != 'undefined') {
var xhr = GM_xmlhttpRequest({
method: 'GET',
url: page_url,
synchronous: true
})
}
else {
var xhr = new XMLHttpRequest()
xhr.open('GET', page_url, false)
xhr.send(null)
}
//console.log('xhr.responseText = ' + xhr.responseText)
try{ showkey = /\bshowkey=['"]?([-0-9a-z]+)/.exec(xhr.responseText)[1] } catch(e) { showkey = '' }
console.log('showkey = ' + showkey)
if(showkey == '') { console.log('Cannot find the first showkey.'); throw 'exit' }
var get_rand = function(range) {
var min = range[0]
var max = range[1]
return Math.floor(Math.random() * (max - min + 1)) + min
}
var b = doc.body
var append_img = function() {
if(typeof GM_xmlhttpRequest != 'undefined') {
GM_xmlhttpRequest({
method: 'POST',
url: api_url,
data: JSON.stringify({'method':'showpage', 'gid':gid, 'page':page, 'imgkey':imgkey, 'showkey':showkey}),
onload: function(response) {
var res = JSON.parse(response.responseText)
var i3 = res['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+' / '+filecount))
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, get_rand(freq)*1000)
}
})
}
else {
var xhr = new XMLHttpRequest()
xhr.onreadystatechange = function() {
if(xhr.readyState == 4 && xhr.status == 200) {
var res = JSON.parse(xhr.responseText)
var i3 = res['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+' / '+filecount))
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, get_rand(freq)*1000)
}
}
xhr.open('POST', api_url, true)
xhr.send(JSON.stringify({'method':'showpage', 'gid':gid, 'page':page, 'imgkey':imgkey, 'showkey':showkey}))
}
}
append_img()
}
