auto decode Base64 encoded link in Arca.live
目前为
// ==UserScript==
// @name Arca base64 autodecoder
// @name:ko 아카라이브 Base64 자동 디코더
// @version 1.206
// @author Laria
// @match https://arca.live/b/*/*
// @description auto decode Base64 encoded link in Arca.live
// @description:ko 아카라이브 내 Base64로 인코딩된 링크를 자동으로 복호화합니다.
// @icon https://www.google.com/s2/favicons?sz=64&domain=arca.live
// @license MIT
// @encoding utf-8
// @run-at document-end
// @supportURL https://greasyfork.org/ko/scripts/482577-arca-base64-autodecoder
// @namespace https://greasyfork.org/users/1235854
// @grant GM.getValue
// @grant GM.setValue
// @grant GM.deleteValue
// @grant GM.registerMenuCommand
// @grant GM.unregisterMenuCommand
// @grant GM.setClipboard
// ==/UserScript==
/*
* == Change log ==
* 1.0 - Release
* 1.1 - Invalid character update (replace -> replaceAll)
* 1.11 - Improved show multiple links
* 1.12 - Show Single links Bugfix
* 1.13 - Bugfix 1.12
* 1.14 - Base64 add padding func
* 1.15 - Add annotation, display improvements
* 1.16 - Display improved - CSS applied
* 1.17 - var safe, max_iter defined (~7, def:3)
* 1.18 - auto update check, log system
* 1.20 - add menu(base64 depth, user-drag auto decoding, hide encoded link, update notify)
* 1.201 - base64 depth extends - 11, temporary disable - drag auto decoding
* 1.202 - improve encoded link click callback, feature block in edit mode, enable drag auto decoding
* 1.203 - add menu(restore defaults)
* 1.204 - set update check interval -> 1day(86400), seperate localparameter
* 1.205 - url chk add(write), code stabilization
* 1.206 - add menu(expand menu), newline, encoded link copy function, show url hostname
*/
//base64 encoded(http:/*, https:/*) string prefix
const regexEncodedPrefixDef = [
/(aHR0cDovL|aHR0cHM6Ly)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //encoding 1 time
/(YUhSMGNEb3ZM|YUhSMGNITTZMe)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //encoding 2 time
/(WVVoU01HTkViM1pN|WVVoU01HTklUVFpNZ)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //encoding 3 time
/(V1ZWb1UwMUhUa1ZpTTFwT|V1ZWb1UwMUhUa2xVVkZwTl)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //encoding 4 time
/(VjFaV2IxVXdNVWhVYTFacFRURndU|VjFaV2IxVXdNVWhVYTJ4VlZrWndUb)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //encoding 5 time
/(VmpGYVYySXhWWGROVldoVllURmFjRlJVUm5kV|VmpGYVYySXhWWGROVldoVllUSjRWbFpyV25kVW)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //encoding 6 time
/(Vm1wR1lWWXlTWGhXV0dST1ZsZG9WbGxVUm1GalJsSlZVbTVrV|Vm1wR1lWWXlTWGhXV0dST1ZsZG9WbGxVU2pSV2JGcHlWMjVrVl)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //encoding 7 time
/(Vm0xd1IxbFdXWGxUV0doWFYwZFNUMVpzWkc5V2JHeFZVbTFHYWxKc1NsWlZiVFZyV|Vm0xd1IxbFdXWGxUV0doWFYwZFNUMVpzWkc5V2JHeFZVMnBTVjJKR2NIbFdNalZyVm)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //encoding 8 time
/(Vm0weGQxSXhiRmRYV0d4VVYwZG9XRll3WkZOVU1WcHpXa2M1VjJKSGVGWlZiVEZIWVd4S2MxTnNXbFppVkZaeV|Vm0weGQxSXhiRmRYV0d4VVYwZG9XRll3WkZOVU1WcHpXa2M1VjJKSGVGWlZNbkJUVmpKS1IyTkliRmROYWxaeVZt)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //encoding 9 time
/(Vm0wd2VHUXhTWGhpUm1SWVYwZDRWVll3Wkc5WFJsbDNXa1pPVlUxV2NIcFhhMk0xVmpKS1NHVkdXbFppVkVaSVdWZDRTMk14VG5OWGJGcHBWa1phZ|Vm0wd2VHUXhTWGhpUm1SWVYwZDRWVll3Wkc5WFJsbDNXa1pPVlUxV2NIcFhhMk0xVmpKS1NHVkdXbFpOYmtKVVZtcEtTMUl5VGtsaVJtUk9ZV3hhZVZad)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //encoding 10 time
/(Vm0wd2QyVkhVWGhUV0docFVtMVNXVll3WkRSV1ZsbDNXa2M1V0ZKc2JETlhhMXBQVmxVeFYyTkljRmhoTWsweFZtcEtTMU5IVmtkWGJGcHBWa1ZhU1ZkV1pEUlRNazE0Vkc1T1dHSkdjSEJXYTFwaF|Vm0wd2QyVkhVWGhUV0docFVtMVNXVll3WkRSV1ZsbDNXa2M1V0ZKc2JETlhhMXBQVmxVeFYyTkljRmhoTWsweFZtcEtTMU5IVmtkWGJGcE9ZbXRLVlZadGNFdFRNVWw1Vkd0c2FWSnRVazlaVjNoaFpWWmFk)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //encoding 11 time
];
//TODO
const regexEncodedPrefixNewline1 = [
/(Cmh0dHA6L|Cmh0dHBzOi8)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 1 newline, encoding 1 time
/(Q21oMGRIQTZM|Q21oMGRIQnpPaT)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 1 newline, encoding 2 time
/(UTIxb01HUklRVFpN|aaaa)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 1 newline, encoding 3 time
/(VVRJeGIwMUhVa2xSVkZwT|aaaa)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 1 newline, encoding 4 time
/(VlZSSmVHSXdNVWhWYTJ4U1ZrWndU|aaaa)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 1 newline, encoding 5 time
/(VmxaU1NtVkhTWGROVldoV1lUSjRVMVpyV25kV|aaaa)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 1 newline, encoding 6 time
/(Vm14YVUxTnRWa2hUV0dST1ZsZG9WMWxVU2pSVk1WcHlWMjVrV|aaaa)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 1 newline, encoding 7 time
/(Vm0xNFlWVXhUblJXYTJoVVYwZFNUMVpzWkc5V01XeFZVMnBTVmsxV2NIbFdNalZyV|aaaa)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 1 newline, encoding 8 time
/(Vm0weE5GbFdWWGhVYmxKWFlUSm9WVll3WkZOVU1WcHpXa2M1VjAxWGVGWlZNbkJUVm1zeFYyTkliRmROYWxaeV|aaaa)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 1 newline, encoding 9 time
/(Vm0wd2VFNUdiRmRXV0doVllteEtXRmxVU205V1ZsbDNXa1pPVlUxV2NIcFhhMk0xVmpBeFdHVkdXbFpOYmtKVVZtMXplRll5VGtsaVJtUk9ZV3hhZV|aaaa)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 1 newline, encoding 10 time
/(Vm0wd2QyVkZOVWRpUm1SWFYwZG9WbGx0ZUV0WFJteFZVMjA1VjFac2JETlhhMXBQVmxVeFYyTkljRmhoTWsweFZtcEJlRmRIVmtkWGJGcE9ZbXRLVlZadE1YcGxSbGw1Vkd0c2FWSnRVazlaVjNoaFpW|aaaa)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 1 newline, encoding 11 time
];
//TODO
const regexEncodedPrefixNewline2 = [
/(CgpodHRwOi8|CgpodHRwczov)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 2 newline, encoding 1 time
/(|)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 2 newline, encoding 2 time
/(|)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 2 newline, encoding 3 time
/(|)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 2 newline, encoding 4 time
/(|)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 2 newline, encoding 5 time
/(|)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 2 newline, encoding 6 time
/(|)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 2 newline, encoding 7 time
/(|)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 2 newline, encoding 8 time
/(|)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 2 newline, encoding 9 time
/(|)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 2 newline, encoding 10 time
/(|)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 2 newline, encoding 11 time
];
//TODO
const regexEncodedPrefixSpace1 = [
/(IGh0dHA6L|IGh0dHBzOi8)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 1 space, encoding 1 time
/(|)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 1 space, encoding 2 time
/(|)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 1 space, encoding 3 time
/(|)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 1 space, encoding 4 time
/(|)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 1 space, encoding 5 time
/(|)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 1 space, encoding 6 time
/(|)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 1 space, encoding 7 time
/(|)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 1 space, encoding 8 time
/(|)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 1 space, encoding 9 time
/(|)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 1 space, encoding 10 time
/(|)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 1 space, encoding 11 time
];
//TODO
const regexEncodedPrefixSpace2 = [
/(ICBodHRwOi8|ICBodHRwczov)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 2 space, encoding 1 time
/(|)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 2 space, encoding 2 time
/(|)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 2 space, encoding 3 time
/(|)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 2 space, encoding 4 time
/(|)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 2 space, encoding 5 time
/(|)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 2 space, encoding 6 time
/(|)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 2 space, encoding 7 time
/(|)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 2 space, encoding 8 time
/(|)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 2 space, encoding 9 time
/(|)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 2 space, encoding 10 time
/(|)(\w|=|\+|\/)*(?=[^\+=\w\/])/g, //with 2 space, encoding 11 time
];
//auto decoding maximum
const autoDecodingMaximum = Math.min(regexEncodedPrefixDef.length, regexEncodedPrefixNewline1.length, regexEncodedPrefixNewline2.length, regexEncodedPrefixSpace1.length, regexEncodedPrefixSpace2.length);
//regex prefix - drag
const regInvalid = /[^\w\+\/=]/;
//update check interval (sec, def:1 day(86400))
const updateInterval = 86400;
//update chk, fail->false
let updateAvailble = true;
//auto drag decoding enable status
let draggableActivated = false;
//encoded link list, [uuid]: [encoded link]
let encodedList = {};
//total decode count
let hindex = 0;
//drag function comparison
let lastSelected = document;
let lastSelectedTime = Date.now();
//domain - end chk
const deniedURLSuffix = ['/write', '/edit'];
//logging prefix, param
const logPromptDEF = '['+GM.info.script.name+']';
const logPromptUPD = '['+GM.info.script.name+'-UPD]';
const logPromptPARAM = '['+GM.info.script.name+'-PAR]';
//script local parameter
let localParameter = {
'lastupdate': {
'param_name': 'lastupdate',
'value': 0,
'def_value': 0,
},
'basedepth': {
'param_name': 'basedepth',
'value': 3,
'def_value': 3,
},
'enclinkhide': {
'param_name': 'enclinkhide',
'value': false,
'def_value': false,
},
'draggable': {
'param_name': 'draggable',
'value': false,
'def_value': false,
},
'updatechk': {
'param_name': 'chkupd',
'value': true,
'def_value': true,
},
'expandmenu': {
'param_name': 'expandmenu',
'value': true,
'def_value': true,
},
};
//script menu structure
let menuStructure = {
'basedepth': {
'param_name': localParameter.basedepth,
'name': '🎛 base64 깊이 조절하기 - 현재 값 : 알수없음',
'desc': '자동 base64 디코딩 깊이를 조절할 수 있습니다.',
'id': -1,
'func': menuFunctionBasedepth,
'visible': true,
},
'enclinkhide': {
'param_name': localParameter.enclinkhide,
'name': '🔗 인코딩된 링크 [보이기/숨기기]',
'desc': '자동 base64 디코딩 전 인코딩된 링크 표시 여부를 설정할 수 있습니다.',
'id': -1,
'func': menuFunctionEnchide,
'visible': true,
},
'draggable': {
'param_name': localParameter.draggable,
'name': '🖱 드래그 시 자동 디코딩 [켜기/끄기]',
'desc': '드래그 시 자동으로 드래그한 부분을 base64로 디코딩할지 설정할 수 있습니다.',
'id': -1,
'func': menuFunctionDraggable,
'visible': true,
},
'updatechk': {
'param_name': localParameter.updatechk,
'name': '🔄 업데이트 알림 [켜기/끄기]',
'desc': '새 버전이 나올 시 업데이트 확인 알림을 띄울지 여부를 설정할 수 있습니다.',
'id': -1,
'func': menuFunctionUpdateCheck,
'visible': true,
},
'resetdefaults': {
'param_name': null,
'name': '🛠 스크립트 기본값 초기화',
'desc': '스크립트의 사용자 설정을 초기화하고 설치 상태로 되돌립니다.',
'id': -1,
'func': menuFunctionRstDefaults,
'visible': true,
},
'expandmenu': {
'param_name': localParameter.expandmenu,
'name': '⚙️ 스크립트 메뉴 [축소/확장]',
'desc': '스크립트 설정 메뉴를 확장하거나 축소할 수 있습니다.',
'id': -1,
'func': menuFunctionChangeExpandMode,
'visible': true,
},
};
function getLocation(href) {
var match = href.toString().match(/^(https?\:)\/\/(([^:\/?#]*)(?:\:([0-9]+))?)([\/]{0,1}[^?#]*)(\?[^#]*|)(#.*|)$/);
return match && {
href: href,
protocol: match[1],
host: match[2],
hostname: match[3],
port: match[4],
pathname: match[5],
search: match[6],
hash: match[7]
}
}
//auto add padding - add '=' padding in base64 encoded string
function base64AddPadding(str) {
return str + Array((4 - str.length % 4) % 4 + 1).join('=');
}
//base64 decode
const Base64 = {
_keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
decode : function (input) {
let output = "";
let chr1, chr2, chr3;
let enc1, enc2, enc3, enc4;
let i = 0;
input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
while (i < input.length) {
enc1 = this._keyStr.indexOf(input.charAt(i++));
enc2 = this._keyStr.indexOf(input.charAt(i++));
enc3 = this._keyStr.indexOf(input.charAt(i++));
enc4 = this._keyStr.indexOf(input.charAt(i++));
chr1 = (enc1 << 2) | (enc2 >> 4);
chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
chr3 = ((enc3 & 3) << 6) | enc4;
//last bits
output = output + String.fromCharCode(chr1);
if (enc3 != 64) { //=
output = output + String.fromCharCode(chr2);
}
if (enc4 != 64) { //==
output = output + String.fromCharCode(chr3);
}
}
output = Base64._utf8_decode(output);
return output;
},
// private method for UTF-8 decoding
_utf8_decode : function (utftext) {
let string = "";
let i = 0;
let c = 0;
let c1 = 0;
let c2 = 0;
let c3 = 0;
while (i < utftext.length) {
c = utftext.charCodeAt(i);
if (c < 128) {
string += String.fromCharCode(c);
i++;
}
else if ((c > 191) && (c < 224)) {
c2 = utftext.charCodeAt(i+1);
string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
i += 2;
}
else {
c2 = utftext.charCodeAt(i+1);
c3 = utftext.charCodeAt(i+2);
string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
i += 3;
}
}
return string;
}
};
//encoded link click callback
function showEncodedLink(event) {
const self = event.currentTarget;
//check already clicked
if (encodedList.hasOwnProperty(self.id)) {
window.console.log(logPromptDEF, 'show encoded link -', encodedList[self.id]);
self.innerHTML = encodedList[self.id];
self.style.color = 'rgb(71 88 188)';
self.title = '디코딩 전 인코딩된 링크입니다, 클릭 시 내용이 복사됩니다.';
delete encodedList[self.id];
} else {
window.console.log(logPromptDEF, 'copy link to clipboard -', self.innerHTML);
try {
GM.setClipboard(self.innerHTML);
window.alert(logPromptDEF+'\n인코딩된 코드가 클립보드로 복사되었습니다.');
} catch (e) {
window.console.warn(logPromptDEF, 'error occured link copy:', e);
window.alert(logPromptDEF+'\n코드 복사 실패.');
}
}
return;
}
//link area
function createEncodedLink(src) {
return '<span style="font-size: 87.5%;color: rgb(71 188 115);">[ ' + src.toString() + ' ]</span>';
}
//encoded link element
function createMaskEncodedLink(src) {
const uuid = 'abad_'+self.crypto.randomUUID();
encodedList[uuid] = src;
return '<span id="' + uuid.toString() + '" title="클릭 시 디코딩 전 인코딩된 링크를 표시합니다.">' + '클릭 시 인코딩된 코드 보기' + '</span>';
}
//link creation
function createLink(src, index, url, depth, hidelink = false) {
//n번째 링크 (base64 깊이: 0) [ ABCDEF= / 클릭시 원본~ ]
return '<a href="'+url+'" title="'+url+' (새 창으로 열기)" target="_blank" rel="external nofollow noopener noreferrer">'+index.toString()+'번째 링크 (base64 깊이: '+depth.toString()+') <span style="font-size: 77.5%;">('+getLocation(url).hostname+')</span></a> '+(hidelink?createEncodedLink(createMaskEncodedLink(src)):createEncodedLink(src))+'';
}
//decode & generate
function replacerGen(numIter) {
return function(source) {
try {
let rstring = ""; //return msg
window.console.log('\n'+logPromptDEF,'No.',(hindex+1),'encoded link:\n', source.toString()); //source
//decode
let converted = Base64.decode(base64AddPadding(source));
//attempt to decode nested base64 encoded string
for (let i=0; i<numIter; i++) {
converted = Base64.decode(base64AddPadding(converted));
}
hindex++;
//remove invalid string - �
converted = decodeURI(encodeURI(converted).replaceAll('%00', ''));
window.console.log(logPromptDEF,'No.',hindex,'decode completed (depth:',numIter+1,'):\n',converted.toString()); //converted
//trim
converted = converted.trim();
//split by new line
converted = converted.split(/\r?\n/);
//single component
if (converted.length == 2 && converted[converted.length-1] == '') {
rstring += createLink(source, hindex, converted[0], numIter+1, !localParameter.enclinkhide.value);
//multiple component
} else if (converted.length > 1) {
rstring += createEncodedLink(localParameter.enclinkhide.value?source.toString():createMaskEncodedLink(source.toString()));
let nindex = 1;
const hindexPrev = hindex;
converted.forEach(function(i) {
if (i != '') {
rstring += '<br><span style="margin-left:2px;">└ </span>' + createLink('<span style="color: rgb(71 188 115);" title="자동으로 분할된 '+nindex.toString()+'번째 링크입니다.">링크 자동 분할 : '+nindex.toString()+'번째</span>', hindex, i, numIter+1);
hindex++;
nindex++;
}
});
//apply last components
hindex--;
nindex--;
window.console.log(logPromptDEF,'No.',hindexPrev,'- splitted total :', nindex);
rstring = '<span style="color: rgb(232 62 140);"><b><i>분할된 링크 총 '+nindex.toString()+'개</i></b></span> ' + rstring;
} else rstring += createLink(source, hindex, converted, numIter+1, !localParameter.enclinkhide.value);
return rstring;
} catch(e) {
window.console.warn('\n'+logPromptDEF,'error occured during decoding:', e);
window.console.warn(logPromptDEF,'base64 decode fail:', source);
}
return '<span style="color: rgb(255 0 0);">[ base64 변환 실패: '+source.toString()+' ]</span>';
};
}
//user drag event
function selClicked(event) {
const sel = document.getSelection().toString();
if (!sel.match(regInvalid) && sel.length >= 10 && lastSelectedTime + 200 < Date.now()) {
try {
window.console.log(logPromptDEF,'live match -',sel.toString());
let converted = decodeURI(encodeURI(Base64.decode(base64AddPadding(sel))).replaceAll('%00', ''));
window.console.log(logPromptDEF,'converted -',converted.toString());
this.innerHTML = this.innerHTML.replace(sel, converted)+' ';
} catch (e) {
return;
} finally {
this.removeEventListener('click', selClicked);
}
}
}
//user drag activate
function activateDragDecoding() {
if (draggableActivated) {
window.console.log(logPromptDEF,'USR-Drag already enabled.');
return;
}
draggableActivated = true;
window.console.log(logPromptDEF,'USR-Drag enabled.');
document.addEventListener('selectionchange', function() {
let sel = document.getSelection().anchorNode;
if (sel) {
sel = sel.parentElement;
if (sel != lastSelected) {
lastSelected.removeEventListener('click', selClicked);
sel.addEventListener('click', selClicked);
lastSelected = sel;
lastSelectedTime = Date.now();
}
}
});
}
//update check
function checkForUpdate() {
if (!updateAvailble || !localParameter.updatechk.value) {
window.console.log(logPromptUPD,'updchk skipped.');
return;
}
const currentTime = Math.floor(new Date().getTime() / 1000);
if (currentTime - localParameter.lastupdate.value < updateInterval) {
window.console.log(logPromptUPD,'updchk already done in 1 day.. skip updchk');
return;
}
try {
GM.setValue(localParameter.lastupdate.param_name, currentTime);
} catch(e) {
window.console.error(logPromptUPD,'last upd time write fail -', e);
return;
}
window.console.log(logPromptUPD,'checking for update...');
const updateLink = 'https://update.greasyfork.org/scripts/482577/Arca%20base64%20autodecoder.meta.js';
fetch(updateLink)
.then(response => response.text())
.then(data => {
//extract version from greaskyfork script
const match = data.match(/@version\s+(\d+\.\d+)/);
if (match) {
const tar_version = parseFloat(match[1]);
const cur_version = parseFloat(GM.info.script.version);
//new version detected
if (tar_version > cur_version) {
window.console.log(logPromptUPD,'new version available. ('+cur_version+' -> '+tar_version+')');
//y/n dialog
if (window.confirm(logPromptDEF+'\n새로운 버전이 감지되었습니다. 업데이트를 권장합니다.\n( 기존버전 : '+cur_version+', 새로운 버전 : '+tar_version+' )\n(변경사항은 아카라이브 게시글을 참고해주세요.)\n\n취소를 누르면 앞으로 업데이트 알림을 띄우지 않습니다.')) {
//get extension env
if (!GM.info.scriptWillUpdate) {
window.console.log(logPromptUPD,'extension not allowed auto update..');
if (window.confirm(logPromptDEF+'\n주의! 스크립트 내용 변경 등으로 인해 확장프로그램 내 자동 업데이트가 꺼져있는 것 같습니다.\n업데이트 시 기존 스크립트에 덮어쓰게 되어 기존 내용이 손실될 수 있습니다.\n이 점 확인 후 업데이트 바랍니다.\n\n(계속하려면 확인, 취소하려면 취소를 눌러주세요.)')) {
window.console.log(logPromptUPD,'opening source url..');
window.location.replace(updateLink);
window.alert(logPromptDEF+'\n업데이트 후 새로고침해야 적용됩니다.');
} else {
window.console.log(logPromptUPD,"user canceled.");
}
} else {
window.console.log(logPromptUPD,'opening source url..');
window.location.replace(updateLink);
window.alert(logPromptDEF+'\n업데이트 후 새로고침해야 적용됩니다.');
}
} else {
window.console.log(logPromptPARAM,'updatechk change',true.toString(),'to',false.toString());
try {
GM.setValue(localParameter.updatechk.param_name, false);
localParameter.updatechk.value = false;
window.console.log(logPromptPARAM,"updatechk change successful");
menuStructureUpdate();
window.alert(logPromptDEF+'\n앞으로 업데이트 알림을 띄우지 않습니다.');
} catch(e) {
localParameter.updatechk.value = true;
window.console.error(logPromptPARAM,"updatechk change fail -", e);
window.alert(logPromptDEF+'\n파라미터 변경 중 문제 발생, 브라우저 로그를 확인해주세요..');
}
}
} else {
window.console.log(logPromptUPD,'latest version', cur_version, 'detected. (eth:',tar_version,')');
}
} else {
window.console.error(logPromptUPD,'unable to extract version..');
}
})
.catch(error => {
updateAvailble = false;
window.console.error(logPromptUPD,'link unreachable.. -', error);
});
updateAvailble = false;
}
//menu update
function menuStructureUpdate(fistRun = false) {
//pre process
localParameter.basedepth.value = localParameter.basedepth.value > autoDecodingMaximum ? autoDecodingMaximum : localParameter.basedepth.value;
//update menu name
menuStructure.basedepth.name = '🎛 base64 깊이 조절하기 - 현재 값 : '+localParameter.basedepth.value+'회';
menuStructure.enclinkhide.name = '🔗 인코딩된 링크 '+(localParameter.enclinkhide.value?'숨기기':'보이기');
menuStructure.draggable.name = '🖱 드래그 시 자동 디코딩 '+(localParameter.draggable.value?'끄기':'켜기');
menuStructure.updatechk.name = '🔄 업데이트 알림 '+(localParameter.updatechk.value?'끄기':'켜기');
menuStructure.expandmenu.name = '⚙️ 스크립트 메뉴 '+(localParameter.expandmenu.value?'축소':'확장');
//remove exist menu cmd
if (!fistRun) {
Object.keys(menuStructure).forEach(function(i) {
try {
GM.unregisterMenuCommand(menuStructure[i].id);
} catch(_) {}
});
}
//monkey menu cmd register
try {
//all menu expanded
if(localParameter.expandmenu.value) {
Object.keys(menuStructure).forEach(function(i) {
if (menuStructure[i].visible) {
menuStructure[i].id = GM.registerMenuCommand(menuStructure[i].name, menuStructure[i].func, {title:menuStructure[i].desc});
} else {
//if invisible -> use default parameter
if (localParameter.hasOwnProperty(i)) {
localParameter[i].value = localParameter[i].def_value;
}
}
});
//simple menu
} else {
menuStructure.expandmenu.id = GM.registerMenuCommand(menuStructure.expandmenu.name, menuStructure.expandmenu.func, {title:menuStructure.expandmenu.desc});
}
window.console.log(logPromptPARAM,'ext opt pannel',(fistRun?'registered':'reloaded'));
} catch(e) {
window.console.error(logPromptPARAM,'err - ext opt pannel',(fistRun?'register':'reload'),'- ', e);
Object.keys(menuStructure).forEach(function(i) {
try {
GM.unregisterMenuCommand(menuStructure[i].id);
} catch(_) {}
});
try { GM.registerMenuCommand('ⓘ 메뉴 추가 실패, 브라우저 로그 참고', () => {window.alert(logPromptDEF+'\n메뉴 추가 도중 문제가 발생했습니다, 브라우저 로그를 확인해주세요..')}); } catch(_) {}
}
}
function menuFuncSubPageReload(showmsg) {
if(window.confirm(logPromptDEF+'\n'+((showmsg==undefined)?'':(showmsg+'\n\n'))+'반영을 위해 사이트 새로고침이 필요합니다, 사이트를 새로고침할까요?')) {
window.location.reload(true);
}
}
function menuFunctionBasedepth() {
menuStructureUpdate();
const previousValue = localParameter.basedepth.value;
const str_common_1 = ' ( 지정 가능한 범위: 1~'+autoDecodingMaximum.toString()+' )';
while(true) {
const input = window.prompt(logPromptDEF+'\nBase64 자동 디코딩 중첩 횟수를 얼마로 지정할까요?\n(인코딩을 인코딩한 것을 여러번 반복한걸 자동으로 풀어냅니다.)\n현재 값: '+previousValue.toString()+'회,'+(previousValue == 3 ? '' : ' 기본값: 3회,')+str_common_1+'\n\n(값을 너무 크게 지정하면 컴퓨터 성능에 영향을 줄 수 있습니다.)', previousValue);
if (input == null) {
window.console.log(logPromptDEF,'basedepth change canceled.');
break;
}
if (!isNaN(input)) {
const targetValue = parseInt(input);
if (targetValue == previousValue) {
window.alert(logPromptDEF+'\n동일한 값을 입력했습니다, 현재 값: '+previousValue+'회');
} else if (targetValue >= 1 && targetValue <= autoDecodingMaximum) {
window.console.log(logPromptPARAM,'basedepth change',previousValue.toString(),'to',targetValue.toString());
localParameter.basedepth.value = targetValue;
try {
GM.setValue(localParameter.basedepth.param_name, targetValue);
window.console.log(logPromptPARAM,"basedepth change successful");
menuFuncSubPageReload('값이 '+previousValue.toString()+'에서 '+targetValue.toString()+'으로 변경이 완료되었습니다.');
} catch(e) {
localParameter.basedepth.value = previousValue;
window.console.error(logPromptPARAM,"basedepth change fail -", e);
window.alert(logPromptDEF+'\n파라미터 변경 중 문제 발생, 브라우저 로그를 확인해주세요..');
} finally {
menuStructureUpdate();
}
break;
} else {
window.alert(logPromptDEF+'\n'+targetValue+'(으)로 설정할 수 없습니다.\n범위를 초과하였습니다..'+str_common_1);
}
} else {
window.alert(logPromptDEF+'\n'+input+'은(는)숫자가 아닙니다.\n숫자만 입력해주세요..'+str_common_1);
}
}
}
function menuFunctionEnchide() {
menuStructureUpdate();
const currentState = localParameter.enclinkhide.value;
if (window.confirm(logPromptDEF+'\n디코딩 시 인코딩된 링크를 '+(currentState?'숨기시':'표시하')+'겠습니까?\n\n(앞으로 디코딩 전 인코딩된 링크를\n"'+(currentState?'클릭 시 기존링크 보기':'aHR0cHM6Ly9hcmNhLmx..')+'"와 같은 형태로 보여줍니다.)')) {
const targetState = !currentState;
window.console.log(logPromptPARAM,'enchide change',currentState.toString(),'to',targetState.toString());
localParameter.enclinkhide.value = targetState;
try {
GM.setValue(localParameter.enclinkhide.param_name, targetState);
window.console.log(logPromptPARAM,"updatechk change successful");
if (targetState) {
window.alert(logPromptDEF+'\n앞으로 인코딩된 링크를 표시합니다.\n\n(새로고침해야 적용됩니다.)');
} else {
window.alert(logPromptDEF+'\n앞으로 인코딩된 링크를 숨깁니다.');
}
} catch(e) {
localParameter.enclinkhide.value = currentState;
window.console.error(logPromptPARAM,"enchide change fail -", e);
window.alert(logPromptDEF+'\n파라미터 변경 중 문제 발생, 브라우저 로그를 확인해주세요..');
} finally {
menuStructureUpdate();
}
} else {
window.console.log(logPromptDEF,'enchide change canceled.');
}
}
function menuFunctionDraggable() {
menuStructureUpdate();
const currentState = localParameter.draggable.value;
if (window.confirm(logPromptDEF+'\n드래그 시 자동 디코딩을 '+(currentState?'비':'')+'활성화 하시겠습니까?\n\n(앞으로 인코딩된 부분을 드래그'+(currentState?'해도 자동으로 디코딩되지 않습':' 시 Base64로 인코딩된것으로\n판단 되면 자동으로 디코딩을 시도합')+'니다.)\n\n(이 기능은 작동이 불안정할 수 있습니다.)')) {
const targetState = !currentState;
window.console.log(logPromptPARAM,'draggable change',currentState.toString(),'to',targetState.toString());
localParameter.draggable.value = targetState;
try {
GM.setValue(localParameter.draggable.param_name, targetState);
window.console.log(logPromptPARAM,"draggable change successful");
if (targetState) {
try {
activateDragDecoding();
window.alert(logPromptDEF+'\n앞으로 드래그 시 자동 디코딩을 진행합니다.');
} catch(e) {
window.console.error(logPromptDEF,"draggable activate fail -", e);
window.alert(logPromptDEF+'\n드래그 시 자동 디코딩 활성화 중 문제가 발생했습니다, 브라우저 로그를 확인해주세요..\n새로고침이 필요합니다..');
}
} else {
menuFuncSubPageReload('앞으로 드래그 해도 반응하지 않습니다.');
}
} catch(e) {
localParameter.draggable.value = currentState;
window.console.error(logPromptPARAM,"draggable change fail -", e);
window.alert(logPromptDEF+'\n파라미터 변경 중 문제 발생, 브라우저 로그를 확인해주세요..');
} finally {
menuStructureUpdate();
}
} else {
window.console.log(logPromptDEF,'draggable change canceled.');
}
}
function menuFunctionUpdateCheck() {
menuStructureUpdate();
const currentState = localParameter.updatechk.value;
if (window.confirm(logPromptDEF+'\n업데이트 알림을 '+(currentState?'끄':'켜')+'시겠습니까?\n\n(앞으로 업데이트가 있'+(currentState?'어도 알려주지 않습':'으면 자동으로 알려줍')+'니다.)')) {
const targetState = !currentState;
window.console.log(logPromptPARAM,'updatechk change',currentState.toString(),'to',targetState.toString());
localParameter.updatechk.value = targetState;
try {
GM.setValue(localParameter.updatechk.param_name, targetState);
window.console.log(logPromptPARAM,"updatechk change successful");
if (targetState) {
window.alert(logPromptDEF+'\n앞으로 업데이트가 존재하면 알림을 띄웁니다.');
} else {
window.alert(logPromptDEF+'\n앞으로 업데이트 알림을 띄우지 않습니다.');
}
} catch(e) {
localParameter.updatechk.value = currentState;
window.console.error(logPromptPARAM,"updatechk change fail -", e);
window.alert(logPromptDEF+'\n파라미터 변경 중 문제 발생, 브라우저 로그를 확인해주세요..');
} finally {
menuStructureUpdate();
}
} else {
window.console.log(logPromptDEF,'updatechk change canceled.');
}
}
function menuFunctionChangeExpandMode() {
menuStructureUpdate();
const currentState = localParameter.expandmenu.value;
if (window.confirm(logPromptDEF+'\n메뉴에 나타나는 항목을 '+(currentState?'줄일':'늘릴')+'까요?\n\n(앞으로 세부설정 메뉴가 '+(currentState?'숨겨':'보여')+'집니다.)')) {
const targetState = !currentState;
window.console.log(logPromptPARAM,'menuexpand change',currentState.toString(),'to',targetState.toString());
localParameter.expandmenu.value = targetState;
try {
GM.setValue(localParameter.expandmenu.param_name, targetState);
window.console.log(logPromptPARAM,"menuexpand change successful");
if (targetState) {
window.alert(logPromptDEF+'\n세부설정 메뉴가 보여집니다.');
} else {
window.alert(logPromptDEF+'\n세부설정 메뉴가 숨겨집니다.');
}
} catch(e) {
localParameter.expandmenu.value = currentState;
window.console.error(logPromptPARAM,"menuexpand change fail -", e);
window.alert(logPromptDEF+'\n파라미터 변경 중 문제 발생, 브라우저 로그를 확인해주세요..');
} finally {
menuStructureUpdate();
}
} else {
window.console.log(logPromptDEF,'menuexpand change canceled.');
}
}
function menuFunctionRstDefaults() {
menuStructureUpdate();
if (window.confirm(logPromptDEF+'\n정말 스크립트 설정을 기본값으로 초기화하시겠습니까?\n\n(초기화 완료 후 자동으로 새로고침됩니다.)')) {
try {
window.console.log(logPromptPARAM, 'remove all settings..');
for (const i of Object.keys(localParameter)) {
GM.deleteValue(localParameter[i].param_name);
}
window.console.log(logPromptPARAM, 'all parameter removed.');
window.alert(logPromptDEF+'\n설정값이 모두 제거되었습니다.\n\n(확인 후 현재 창이 자동으로 새로고침됩니다.)');
window.location.reload(true);
} catch(e) {
window.console.error(logPromptPARAM,'err - get sc parameter - ', e);
window.alert(logPromptDEF+'\n경고! 파라미터 초기화 도중 문제가 발생했습니다. 브라우저 로그를 참고해주세요..');
}
} else {
window.console.log(logPromptDEF,'settings restore canceled.');
}
}
//main
(async () => {
'use strict';
//chk browser env
if (((window.navigator.language || window.navigator.userLanguage) != 'ko-KR')) {
window.console.warn('Warning! this script support only korean language..');
}
//check edit mode
const URLSuffix = window.location.pathname.match(/([/][a-z0-9_-]*[\/]?)$/g);
if (URLSuffix != null) {
if (deniedURLSuffix.some(str => str == URLSuffix[0])) {
window.console.log(logPromptDEF,'write/edit mode detected, function disabled.');
try {GM.registerMenuCommand("작성/수정 모드에서는 동작하지 않음", ()=>{window.alert(logPromptDEF+'\n작성 또는 수정모드에서는 동작하지 않습니다..');}, {title:'작성 또는 수정모드에서는 동작하지 않습니다.'});} catch(_) {}
return;
}
}
window.console.log(logPromptDEF,'V',GM.info.script.version,'enabled');
//load parameter
try {
for (const i of Object.keys(localParameter)) {
localParameter[i].value = await GM.getValue(localParameter[i].param_name, localParameter[i].def_value);
}
window.console.log(logPromptPARAM, 'sc parameter load completed.');
} catch(e) {
window.console.error(logPromptPARAM,'err - get sc parameter - ', e);
}
//apply parameter and register monkey menu command
menuStructureUpdate(true);
//chk update
await checkForUpdate();
//drag auto decoding
if (localParameter.draggable.value) {
activateDragDecoding();
}
window.console.log(logPromptDEF,'script ready');
//main procedure
//article
let article = document.getElementsByClassName("article-content")[0];
if (article != undefined) {
for (let i=0; i<localParameter.basedepth.value; i++) {
article.innerHTML = article.innerHTML.replaceAll(regexEncodedPrefixDef[i], replacerGen(i));
}
} else window.console.warn(logPromptDEF,'no article detected.');
//comment
let comments = document.getElementsByClassName("list-area");
if (article != undefined) {
if (comments.length != 0) {
for (let i=0; i<localParameter.basedepth.value; i++) {
comments[0].innerHTML = comments[0].innerHTML.replaceAll(regexEncodedPrefixDef[i], replacerGen(i));
}
}
} else window.console.warn(logPromptDEF,'no comments detected.');
window.console.log(logPromptDEF,'total',hindex,'link decode task completed.');
//add eventlistner - click, show original encoded link
if (!localParameter.enclinkhide.value) {
Object.keys(encodedList).forEach(function(i) {
document.getElementById(i).addEventListener('click', showEncodedLink); //, { once : true }
});
}
})();