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Rehost images to a whitelisted site by ctrl+shift+clicking them
// ==UserScript==
// @name Rehost image to...
// @version 1.13
// @description Rehost images to a whitelisted site by ctrl+shift+clicking them
// @author Chameleon
// @include *
// @grant GM_xmlhttpRequest
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_setClipboard
// @namespace https://greasyfork.org/users/87476
// ==/UserScript==
(function() {
'use strict';
if(window.location.host == "redacted.ch" && window.location.href.indexOf("threadid=1719") != -1)
{
var threadid=parseInt(window.location.href.split('threadid=')[1]);
if(threadid===1719)
showSettings();
}
var images = document.getElementsByTagName('img');
for(var i=0; i<images.length; i++)
{
var im=images[i];
im.addEventListener('click', rehost.bind(undefined, im), false);
}
})();
function showSettings(message)
{
var div=document.getElementById('rehostToSettings');
if(!div)
{
var before = document.getElementsByClassName('forum_post')[0];
div = document.createElement('div');
div.setAttribute('id', 'rehostToSettings');
before.parentNode.insertBefore(div, before);
div.setAttribute('style', 'width: 100%; text-align: center; padding-bottom: 10px;');
div.setAttribute('class', 'box');
}
div.innerHTML = '<h2>Rehost image to... Settings</h2><br />';
var settings = getSettings();
var a=document.createElement('a');
a.href='javascript:void(0);';
a.innerHTML = 'Use image host: '+settings.site;
a.addEventListener('click', changeSite.bind(undefined, a, div), false);
div.appendChild(a);
div.appendChild(document.createElement('br'));
var a=document.createElement('a');
a.href='javascript:void(0);';
a.innerHTML = 'Debug: '+(settings.debug ? 'On':'Off');
a.addEventListener('click', changeA.bind(undefined, a, div), false);
div.appendChild(a);
div.appendChild(document.createElement('br'));
var labelStyle = '';
var label = document.createElement('span');
label.setAttribute('style', labelStyle);
label.innerHTML = 'ptpimg.me API Key: ';
div.appendChild(label);
var input=document.createElement('input');
input.setAttribute('style', 'width: 21em;');
input.placeholder='ptpimg.me API Key';
input.value = settings.apiKey ? settings.apiKey:'';
div.appendChild(input);
input.addEventListener('keyup', changeSettings.bind(undefined, div), false);
var a=document.createElement('a');
a.href='javascript:void(0);';
a.innerHTML = 'Get ptpimg.me API Key';
div.appendChild(document.createElement('br'));
div.appendChild(a);
div.appendChild(document.createTextNode(' '));
var s=document.createElement('span');
s.innerHTML = message ? message : '';
div.appendChild(s);
a.addEventListener('click', getAPIKey.bind(undefined, input, s, div), false);
}
function getAPIKey(input, span, div)
{
span.innerHTML = 'Loading ptpimg.me';
/*var xhr=new XMLHttpRequest();
xhr.open('GET', "https://ptpimg.me");
xhr.onreadystatechange = xhr_func.bind(undefined, span, xhr, gotAPIKey.bind(undefined, input, span, div), rehost.bind(undefined, input, span, div));
xhr.send();*/
GM_xmlhttpRequest({
method: "GET",
url: 'https://ptpimg.me',
onload: function(response) { if(response.status == 200) {gotAPIKey(input, span, div, response.responseText); } else { span.innerHTML = 'ptpimg.me error: '+response.status; } }
});
}
function gotAPIKey(input, span, div, response)
{
var key=response.split("value='")[1].split("'")[0];
if(key.length != 36)
{
span.innerHTML = "You aren't logged in to ptpimg.me";
return;
}
input.value=key;
changeSettings(div, 0, "Successfully added API Key");
}
function changeA(a, div)
{
if(a.innerHTML.indexOf('On') != -1)
{
a.innerHTML=a.innerHTML.replace('On', 'Off');
}
else
{
a.innerHTML=a.innerHTML.replace('Off', 'On');
}
changeSettings(div);
}
function changeSite(a, div)
{
if(a.innerHTML.indexOf('imgur.com') != -1)
{
a.innerHTML = a.innerHTML.replace('imgur.com', 'ptpimg.me');
}
else if(a.innerHTML.indexOf('ptpimg.me') != -1)
{
a.innerHTML = a.innerHTML.replace('ptpimg.me', 'imgur.com');
}
changeSettings(div);
}
function changeSettings(div)
{
var settings = getSettings();
var as=div.getElementsByTagName('a');
if(as[0].innerHTML.indexOf('imgur.com') != -1)
settings.site = 'imgur.com';
else if(as[0].innerHTML.indexOf('ptpimg.me') != -1)
settings.site = 'ptpimg.me';
if(as[1].innerHTML.indexOf('On') != -1)
{
settings.debug=true;
}
else
settings.debug=false;
var inputs=div.getElementsByTagName('input');
settings.apiKey = inputs[0].value;
window.localStorage.ptpimgAPIKey = settings.apiKey;
// can't use localStorage as the script runs across domains
//window.localStorage.rehostImageToSettings = JSON.stringify(settings);
GM_setValue('rehostImageToSettings', JSON.stringify(settings));
showSettings();
}
function getSettings()
{
// can't use localStorage as the script runs across domains
//var settings = window.localStorage.rehostImageToSettings;
var settings = GM_getValue('rehostImageToSettings', false);
if(!settings)
{
settings = {site:'imgur.com', apiKey:window.localStorage.ptpimgAPIKey ? window.localStorage.ptpimgAPIKey : ''};
}
else
settings = JSON.parse(settings);
return settings;
}
function rehost(image, event)
{
var alreadySent = image.getAttribute('sent');
debug("shift: "+event.shiftKey+", ctrl: "+event.ctrlKey+", cmd: "+event.metaKey+", alreadySent: "+alreadySent);
if(event.shiftKey && (event.ctrlKey || event.metaKey) && alreadySent != "true")
{
event.preventDefault();
image.setAttribute('sent', 'true');
var a=document.createElement('a');
var imagePlace = image.getBoundingClientRect();
a.setAttribute('style', 'position: absolute; z-index: 50000000; top: '+(imagePlace.top+window.scrollY)+'px; left: '+(imagePlace.left+window.scrollX)+'px; width: '+image.width+'px; text-align: center; color: blue; background: rgba(255,255,255,0.6); border-radius: 0px 0px 10px 10px;');
debug("top: "+(imagePlace.top+window.scrollY)+"px<br />left: "+(imagePlace.left+window.scrollX)+"px<br />width: "+image.width+"px");
a.innerHTML = 'Rehosting';
document.body.appendChild(a);
if(image.src.indexOf("discogs.com") != -1 || image.src.indexOf("elparaisorecords.com") != -1)
{
image.src = "http://reho.st/"+image.src;
}
doRehost(a, image.src);
}
}
function doRehost(a, imageSrc)
{
var settings = getSettings();
if(settings.site == 'imgur.com')
{
var formData = new FormData();
formData.append('image', imageSrc);
var xhr = new XMLHttpRequest();
xhr.open('POST', 'https://api.imgur.com/3/image');
xhr.setRequestHeader('Authorization', 'Client-ID 735033a56fe790b');
xhr.onreadystatechange = xhr_func.bind(undefined, a, xhr, uploaded.bind(undefined, a, settings), doRehost.bind(undefined, a, imageSrc));
xhr.send(formData);
}
else if(settings.site == 'ptpimg.me')
{
if(!settings.apiKey || settings.apiKey.length != 36)
{
a.innerHTML = 'No valid ptpimg.me API key set';
return;
}
/*var formData = new FormData();
formData.append('link-upload', image_input.value);
formData.append('api_key', 'xx');
// ptpimg.me doesn't have 'Access-Control-Allow-Origin' set
var xhr = new XMLHttpRequest();
xhr.open('POST', 'https://ptpimg.me/upload.php');
xhr.onreadystatechange = xhr_func.bind(undefined, a, xhr, uploaded.bind(undefined, a, form, settings), doRehost.bind(undefined, a, image_input, form, settings));
xhr.send(formData);*/
// use GM_xmlhttpRequest for cross-domain
GM_xmlhttpRequest({
method: "POST",
url: 'https://ptpimg.me/upload.php',
data: "link-upload="+encodeURIComponent(imageSrc)+'&api_key='+settings.apiKey,
headers: {
"Content-Type": "application/x-www-form-urlencoded"
},
onload: function(response) { if(response.status == 200) {uploaded(a, settings, response.responseText); } else { a.innerHTML = 'ptpimg.me error: '+response.status; } }
});
}
}
function debug(message)
{
var settings=getSettings();
if(!settings.debug)
return;
var div=document.getElementById('rehostDebug');
if(!div)
{
div=document.createElement('div');
div.setAttribute('style', 'position: absolute; top: 50px; left: 20px; min-width: 500px; background: black; color: white;');
div.setAttribute('id', 'rehostDebug');
document.body.appendChild(div);
}
div.innerHTML +=message+'<br />';
}
function uploaded(a, settings, response)
{
var newLink='';
try
{
if(settings.site == 'imgur.com')
newLink = JSON.parse(response).data.link.replace(/http:/, 'https:');
else if(settings.site == 'ptpimg.me')
{
var r=JSON.parse(response)[0];
newLink = "https://ptpimg.me/"+r.code+'.'+r.ext;
}
}
catch(err)
{
a.innerHTML = err.message;
a.style.color = 'red';
return;
}
debug("Rehosted: "+newLink);
rehosted(a, newLink);
}
function rehosted(a, link)
{
a.style.color = 'green';
a.innerHTML = 'Rehosted<br />and copied to clipboard';
a.href = link;
GM_setClipboard(link);
}
function xhr_func(messageDiv, xhr, func, repeatFunc)
{
if(xhr.readyState == 4)
{
if(xhr.status == 200)
func(xhr.responseText);
else
{
messageDiv.innerHTML = 'Error: '+xhr.status+'<br />retrying in 1 second';
window.setTimeout(repeatFunc, 1000);
}
}
}