nas_docker_compose/kodbox/site/plugins/epubReader/static/app/page.js

EPUBJS.filePath = appOptions.epubStatic+"js/libs/";
EPUBJS.cssPath = appOptions.epubStatic+"css/";
//避免css中图片解析；没找到图片时导致css也不加载的问题
EPUBJS.replace.cssUrls = function(_store, base, text){
	var deferred = new RSVP.defer(),
		matches = text.match(/url\(\'?\"?((?!data:)[^\'|^\"^\)]*)\'?\"?\)/g);
	if(!_store) return;
	if(!matches){
		deferred.resolve(text);
		return deferred.promise;
	}
	var promises = matches.map(function(str) {
		var full = EPUBJS.core.resolveUrl(base, str.replace(/url\(|[|\)|\'|\"]|\?.*$/g, ''));
		return _store.getUrl(full).then(function(url) {
			text = text.replace(str, 'url("'+url+'")');
		}, function(reason) {
			deferred.resolve(text); // add by warlee;
			//deferred.reject(reason);
		});
	});
	RSVP.all(promises).then(function(){
		deferred.resolve(text);
	});
	return deferred.promise;
};

EPUBJS.Unarchiver.prototype.getUrl = function(url, mime){
	var unarchiver = this;
	var deferred = new RSVP.defer();
	var decodededUrl = window.decodeURIComponent(url);
	var entry = this.zip.file(decodededUrl);
	var _URL = window.URL || window.webkitURL || window.mozURL;
	var tempUrl;
	var blob;

	//文件丢失允许继续执行
	if(!entry){
		//console.log(111,entry,decodededUrl,url,this.urlCache);
		url = "OEBPS/images/cover.jpg";
		entry = this.zip.file(url);
		if(url in this.urlCache) {
			deferred.resolve(this.urlCache[url]);
			return deferred.promise;
		}
	}

	if(!entry) {
		deferred.reject({
			message : "File not found in the epub: " + url,
			stack : new Error().stack
		});
		
		return deferred.promise;
	}
	if(url in this.urlCache) {
		deferred.resolve(this.urlCache[url]);
		return deferred.promise;
	}

	blob = new Blob([entry.asUint8Array()], {type : EPUBJS.core.getMimeType(entry.name)});
	tempUrl = _URL.createObjectURL(blob);
	deferred.resolve(tempUrl);
	unarchiver.urlCache[url] = tempUrl;
	return deferred.promise;
};

var htmlSafe = function(html){
	var text = htmlSafeReplace(html);
	// if(text != html){console.error('htmlSafe:',[html,text]);}
	return text;
	
	var text2 = DOMPurify.sanitize(html,{
		ADD_TAGS:['iframe','style','foreignObject','?xml','!DOCTYPE','link'],
		USE_PROFILES:{html:true,mathMl:true,svg:true,svgFilters:true},
		ADD_ATTR: ['*','target'],
		WHOLE_DOCUMENT:true,KEEP_CONTENT:true,
	});
};

var htmlSafeReplace = function(html){
	// html = htmlShow(html); // 文本中包含&时会异常 &=>&
	html = html.replace(/[\s\/]+on(\w+)[\s\/]*=/ig,' _on$1=');// onxxx;=>_onxxx
	html = html.replace(/data:text\/html/ig,'data:text/text');// data:text/text
	html = html.replace(/<script/ig,'<_script').replace(/<\/script/ig,'</_script'); // script => _script
	
	var resetAttr = 'onclick,srcdoc,formaction'.split(','),regStr = resetAttr[0];
	for (var i = 1; i < resetAttr.length; i++) {
		regStr += '|'+resetAttr[i];
	}
	html = html.replace(new RegExp('[\\s\\/]+('+regStr+')[\\s\\/]*=','ig'),' _$1='); //
	
	var script = 'javascript',regStr = '';
	for (var i = 0; i < script.length; i++) {
		regStr += script[i]+'[\x09\x0a\x0d]*';
	}
	html = html.replace(new RegExp('('+regStr+':)','ig'),'_'+script+'_:');
	var script = 'vbscript',regStr = '';
	for (var i = 0; i < script.length; i++) {
		regStr += script[i]+'[\x09\x0a\x0d]*';
	}
	html = html.replace(new RegExp('('+regStr+':)','ig'),'_'+script+'_:');
	return html;
}
window.htmlShow = function(html){
	var htmlCode = '<textarea style="display:none;" id="html-show-test"></textarea>';
	var $node = $(htmlCode).appendTo('body');
	$node.get(0).innerHTML = html;
	var text = $node.val();$node.remove();
	return text;
}

$(document).ready(function(){
	var reader = ePubReader(appOptions.filePath,{
		reload: false,
		restore: true, 
		generatePagination: false,
		history:true,
		contained:true
	});
	window.eReader = reader;
	
	var isFirstOpen = false;
	var storeValue  = function(value){
		if(!window.localStorage) return;
		var key = 'epub_read_'+encodeURIComponent(appOptions.filePath);
		// console.log(3333,key,value);
		return value ? localStorage.setItem(key,value) : localStorage.getItem(key);	
	};
	
	var bindEvent = function(){
		var win = $("#viewer iframe").get(0).contentWindow;
		var $body = $(win.document).find("body");
		if(win.isBindTouch) return;
		
		win.isBindTouch = true;
		$body.on("swipeleft",function(e) {
			$('#next').click();
		});
		$body.on("swiperight",function(e){
			$('#prev').click();
		});
		
		$(".show_view").bind('touchend',function(e){
			$(this).trigger('click');
		});
		if(storeValue()){ // 跳转到上次打开位置;
			eReader.book.goto(storeValue());
		}
		isFirstOpen = true;
	}
	
	eReader.book.on("renderer:locationChanged",function(uri){
		if(!isFirstOpen || !uri) return;
		storeValue(uri);
	},false);
		
	reader.book.on('book:ready', function(){
		setTimeout(bindEvent,200);
		reader.book.setStyle('fontSize','13px');
		//reader.book.setStyle('font-family','"微软雅黑","Lantinghei SC","STXihei","WenQuanYi Micro Hei"');
		$(".list_item").each(function(){
			var id = $(this).attr('id');
			if(id.length <=20){
				$(this).addClass('parent');
			}
		});
	});
	
	reader.book.renderer.on("render:loaded", function(){
		setTimeout(bindEvent,200);
	});
	
	$('body').delegate('.list_item.openChapter.currentChapter', 'click', function(event) {
		$(this).removeClass('openChapter currentChapter');
	});
});