get page url by js

Author: Ftbom

plugins/manhuadb/index.js

@@ -1,3 +1,5 @@
+var Base64={_keyStr:"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",encode:function(e){var t="";var n,r,i,s,o,u,a;var f=0;e=Base64._utf8_encode(e);while(f<e.length){n=e.charCodeAt(f++);r=e.charCodeAt(f++);i=e.charCodeAt(f++);s=n>>2;o=(n&3)<<4|r>>4;u=(r&15)<<2|i>>6;a=i&63;if(isNaN(r)){u=a=64}else if(isNaN(i)){a=64}t=t+this._keyStr.charAt(s)+this._keyStr.charAt(o)+this._keyStr.charAt(u)+this._keyStr.charAt(a)}return t},decode:function(e){var t="";var n,r,i;var s,o,u,a;var f=0;e=e.replace(/[^A-Za-z0-9\+\/\=]/g,"");while(f<e.length){s=this._keyStr.indexOf(e.charAt(f++));o=this._keyStr.indexOf(e.charAt(f++));u=this._keyStr.indexOf(e.charAt(f++));a=this._keyStr.indexOf(e.charAt(f++));n=s<<2|o>>4;r=(o&15)<<4|u>>2;i=(u&3)<<6|a;t=t+String.fromCharCode(n);if(u!=64){t=t+String.fromCharCode(r)}if(a!=64){t=t+String.fromCharCode(i)}}t=Base64._utf8_decode(t);return t},_utf8_encode:function(e){e=e.replace(/\r\n/g,"\n");var t="";for(var n=0;n<e.length;n++){var r=e.charCodeAt(n);if(r<128){t+=String.fromCharCode(r)}else if(r>127&&r<2048){t+=String.fromCharCode(r>>6|192);t+=String.fromCharCode(r&63|128)}else{t+=String.fromCharCode(r>>12|224);t+=String.fromCharCode(r>>6&63|128);t+=String.fromCharCode(r&63|128)}}return t},_utf8_decode:function(e){var t="";var n=0;var r=c1=c2=0;while(n<e.length){r=e.charCodeAt(n);if(r<128){t+=String.fromCharCode(r);n++}else if(r>191&&r<224){c2=e.charCodeAt(n+1);t+=String.fromCharCode((r&31)<<6|c2&63);n+=2}else{c2=e.charCodeAt(n+1);c3=e.charCodeAt(n+2);t+=String.fromCharCode((r&15)<<12|(c2&63)<<6|c3&63);n+=3}}return t}}
+
 function searchManga(query) {
 	var mangas = [];
 	const res = mango.get('https://www.manhuadb.com/search?q=' + encodeURIComponent(query));
@@ -58,11 +60,20 @@ function selectChapter(id) {
 	if (res.status_code !== 200)
 		mango.raise('Failed to get chapter. Status ' + res.status_code);
 	var html = res.body;
+	var script = mango.text(mango.css(html, 'script')[7]);
+	script = script.substring(16, script.length - 2);
+	var img_urls = JSON.parse(Base64.decode(script));
+	var img_url_front = mango.attribute(mango.css(html, '.show-pic')[0], 'src');
+	img_url_front = img_url_front.substring(0, img_url_front.search(img_urls[0]['img']));
+	var image_urls = [];
+	for(i = 0; i < img_urls.length; i++) {
+		image_urls.push(img_url_front + img_urls[i]['img'])
+	}
 	var info = mango.css(html, '.breadcrumb-item');
 	var title = mango.text(mango.css(info[info.length - 1], 'a')[0]);
-	var page_num = parseInt(mango.text(info[info.length - 1]).split(' ')[5]);
+	var page_num = img_urls.length;
 	var manga_title = mango.text(mango.css(info[info.length - 2], 'a')[0]);
-	mango.storage('url', 'https://www.manhuadb.com/manhua/' + ids[0] + '/' + ids[1] + '_p1.html');
+	mango.storage('images', image_urls.toString());
 	mango.storage('page', '0');
 
 	return JSON.stringify({
@@ -75,17 +86,11 @@ function selectChapter(id) {
 
 function nextPage() {
 	const page = parseInt(mango.storage('page'));
-	const url = mango.storage('url');
+	const urls = mango.storage('images').split(',');
 	const filename = page + '.jpg';
-	const res = mango.get(url);
-	if (res.status_code !== 200)
-		mango.raise('Failed to get chapter. Status ' + res.status_code);
-	var html = res.body;
-	var css = mango.css(html, '.show-pic');
-	if (css.length == 0) return JSON.stringify({});
-	var img_url = mango.attribute(css[0], 'src');
+	if (page >= urls.length) return JSON.stringify({});
+	var img_url = urls[page];
 	mango.storage('page', (page + 1).toString());
-	mango.storage('url', url.replace('_p' + (page + 1).toString(), '_p' + (page + 2).toString()));
 	return JSON.stringify({
 		url: img_url,
 		filename: filename,