public void load_course_files()
{
for (int i = 0; i < courseList.Count; i++)
{
HtmlAgilityPack.HtmlDocument doc = getHtmlDoc(courseList[i].getCourseHref());
//li[@class='section main clearfix']
HtmlAgilityPack.HtmlNodeCollection htmlNodeColl = doc.DocumentNode.SelectNodes("//div[@id='page-content']//ul[@class='topics']//li");
//HtmlAgilityPack.HtmlNodeCollection htmlNodeColl2 = doc.DocumentNode.SelectNodes("//div[@id='page-content']//ul[@class='topics']//ul");
courseFilesList = new List <CourseFile>();
for (int j = 0; j < htmlNodeColl.Count; j++)
{
if (htmlNodeColl[j].Descendants("a").Any(y => y.Attributes["onclick"] != null))
{
var element = htmlNodeColl[j].Descendants("a").First(y => y.Attributes["onclick"] != null);
if (element.Attributes["onclick"].Value != "")
{
String referenceUrl = getReferenceUrl(element.Attributes["onclick"].Value);
List <String> fileLinks = new List <String>();
fileLinks = getFileLink(referenceUrl);
foreach (String link in fileLinks)
{
if (!courseFilesList.Exists(x => x.getFileName() == getFileName(link)))
{
CourseFile cf = new CourseFile();
cf.setFileLink(link);
cf.setFileName(getFileName(link));
courseFilesList.Add(cf);
}
}
}
else if (element.Attributes["href"].Value != "" &&
element.Attributes["href"].Value.Contains("folder"))
{
String referenceUrl = getReferenceUrl(element.Attributes["href"].Value);
List <String> fileLinks = new List <String>();
fileLinks = getFileLinkFolder(referenceUrl);
foreach (String link in fileLinks)
{
if (!courseFilesList.Exists(x => x.getFileName() == getFileName(link)))
{
CourseFile cf = new CourseFile();
cf.setFileLink(link);
cf.setFileName(getFileName(link));
courseFilesList.Add(cf);
}
}
}
}
else
{
HtmlAgilityPack.HtmlNodeCollection htmlNodeColl2 = doc.DocumentNode.SelectNodes("//div[@id='page-content']//ul[@class='topics']//li");
for (int k = 0; k < htmlNodeColl2.Count(); k++)
{
if (htmlNodeColl[k].Descendants("a").Any(y => y.Attributes["href"] != null))
{
var element = htmlNodeColl[k].Descendants("a").First(y => y.Attributes["href"] != null);
if (element.Attributes["href"].Value != "")
{
String referenceUrl = element.Attributes["href"].Value;
if (referenceUrl.Contains("resource"))
{
HttpWebRequest request2 = (HttpWebRequest)WebRequest.Create(referenceUrl);
request2.CookieContainer = container;
WebResponse response2 = request2.GetResponse();
Uri responseUrl = response2.ResponseUri;
response2.Close();
String responseUrlString = responseUrl.ToString();
if (!courseFilesList.Exists(x => x.getFileName() == getFileName(responseUrlString)))
{
if (getFileName(responseUrlString).EndsWith(".pdf"))
{
CourseFile cf = new CourseFile();
cf.setFileLink(responseUrlString);
cf.setFileName(getFileName(responseUrlString));
courseFilesList.Add(cf);
}
}
}
}
}
}
/*
*/
}
}
courseFileDict.Add(courseList[i], courseFilesList);
}
}
public override void Close()
{
string html = sbHtml.ToString();
HtmlAgilityPack.HtmlDocument htmlDoc = new HtmlAgilityPack.HtmlDocument();
HtmlAgilityPack.HtmlNode.ElementsFlags.Remove("option");
HtmlAgilityPack.HtmlNode.ElementsFlags.Remove("dt");
HtmlAgilityPack.HtmlNode.ElementsFlags.Remove("dd");
HtmlAgilityPack.HtmlNode.ElementsFlags.Remove("dl");
htmlDoc.LoadHtml(html);
//查找需要权限控制的html标签
HtmlAgilityPack.HtmlNodeCollection chkRightNodes = htmlDoc.DocumentNode.SelectNodes("//@" + AuthManage.CHECKRIGHTAG);
if (chkRightNodes == null || chkRightNodes.Count() == 0)
{
byte[] originalData = System.Text.UTF8Encoding.UTF8.GetBytes(html);
responseStream.Write(originalData, 0, originalData.Length);
htmlDoc = null;
base.Close();
responseStream.Close();
return;
}
//用户权限代码列表
List <UserRight> sysUserRights = this.AllUserRight.Where(u => u.DataId.HasValue == true && u.DataId.Value == 0).ToList();
List <string> userRightCodes = sysUserRights.Select(r => r.Code).Distinct().ToList();
foreach (var node in chkRightNodes)
{
if (node.Attributes.Contains(AuthManage.CHECKRIGHTAG) == false)
{
continue;
}
string rightCode = node.Attributes[AuthManage.CHECKRIGHTAG].Value;
//多个权限 MODULECODE_RIGHTCODE|1|数据对象Id_数据实例Id,MODULECODE_RIGHTCODE
//MODULECODE_RIGHTCODE|userId_1
//MODULECODE_RIGHTCODE|数据对象Id_数据实例Id
////MODULECODE_RIGHTCODE|userId_1|数据对象Id_数据实例Id
// MODULECODE_RIGHTCODE --权限代码
//userId_1 --标示具有指定权限代码并且数据的创建人是本人
//数据对象Id_数据实例Id --指定该权限项验证的是指定数据对象，数据实例的权限（比如某个项目的权限）
string[] arrCode = rightCode.Split(new string[] { "," }, StringSplitOptions.RemoveEmptyEntries);
bool hasRight = false;
#region 判断是否有权限
foreach (var c in arrCode)
{
//格式， 1|MODULECODE_RIGHTCODE
string[] arrc = c.Split(new string[] { "|" }, StringSplitOptions.RemoveEmptyEntries);
switch (arrc.Length)
{
case 1:
//只有系统权限项判断
if (userRightCodes.Contains(arrc[0]) == true)
{
hasRight = true;
}
break;
case 2:
//系统权限项+创建用户 或者 数据权限+指定数据对象+指定对象实例Id
string[] arrSecond = arrc[1].Split(new string[] { "_" }, StringSplitOptions.RemoveEmptyEntries);
if (arrSecond.Length == 2)
{
if (arrSecond[0] == AuthManage.USERTAG)
{
//创建用户
hasRight = userRightCodes.Contains(arrc[0]) == true && arrSecond[1] == this.UserId.ToString();
}
else
{
hasRight = this.CheckDataRight(int.Parse(arrSecond[0]), int.Parse(arrSecond[1]), arrc[0], null);
}
}
break;
case 3:
//数据权限（项目）,并且配合创建人
//创建人
string[] arrUser = arrc[1].Split(new string[] { "_" }, StringSplitOptions.RemoveEmptyEntries);
//数据对象-数据实例
string[] arrData = arrc[2].Split(new string[] { "_" }, StringSplitOptions.RemoveEmptyEntries);
if (arrUser.Length == 2 && arrData.Length == 2)
{
hasRight = this.CheckDataRight(int.Parse(arrData[0]), int.Parse(arrData[1]), arrc[0], int.Parse(arrUser[1]));
}
break;
}
if (hasRight == true)
{
break;
}
}
if (hasRight == false)
{
node.ParentNode.RemoveChild(node, false);
}
#endregion
}
//过滤后的html代码
var sbFilter = new StringBuilder();
using (var writer = new StringWriter(sbFilter))
{
htmlDoc.Save(writer);
}
byte[] data = System.Text.UTF8Encoding.UTF8.GetBytes(sbFilter.ToString());
responseStream.Write(data, 0, data.Length);
base.Close();
responseStream.Close();
}