/// <summary>
/// Extract the Current Post Title if there is any
/// if not use PostId As Title
/// </summary>
/// <param name="content">
/// The content.
/// </param>
/// <param name="url">
/// The url.
/// </param>
/// <returns>
/// The extract post title from html.
/// </returns>
public string ExtractPostTitleFromHtml(string content, string url)
{
var postId = url.Substring(url.IndexOf("p=", StringComparison.Ordinal) + 2);
var check =
string.Format(
@"<h2 class=\""title icon\"">\r\n\t\t\t\t\t(?<inner>[^\r]*)\r\n\t\t\t\t</h2>\r\n\t\t\t\t\r\n\r\n\r\n\t\t\t\t\t\t\r\n\t\t\t\t\t\t\r\n\t\t\t\t<div class=\""content\"">\r\n\t\t\t\t\t<div id=\""post_message_{0}\"">",
postId);
var check2 =
string.Format(
@"<h2 class=\""title icon\"">\r\n\t\t\t\t\t(?<inner>[^\r]*)\r\n\t\t\t\t</h2>\r\n\t\t\t\t\r\n\r\n\r\n\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\r\n\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\r\n\t\t\t\t<div class=\""content\"">\r\n\t\t\t\t\t<div id=\""post_message_{0}\"">",
postId);
var match = Regex.Match(content, check, RegexOptions.Compiled);
var postTitle = string.Empty;
if (!match.Success)
{
match = Regex.Match(content, check2, RegexOptions.Compiled);
if (!match.Success)
{
return(postTitle);
}
}
postTitle = match.Groups["inner"].Value.Trim();
if (postTitle == string.Empty)
{
postTitle = string.Format("post# {0}", postId);
}
else if (postTitle == string.Format("Re: {0}", this.ExtractTopicTitleFromHtml(content)))
{
postTitle = string.Format("post# {0}", postId);
}
// Remove Topic Icons if found
if (postTitle.Contains("<img"))
{
postTitle = postTitle.Substring(postTitle.IndexOf(" /> ", StringComparison.Ordinal) + 4);
}
return(Utility.ReplaceHexWithAscii(postTitle));
}
/// <summary>
/// Attempts to extract hot linked and thumb->FullScale images.
/// </summary>
/// <param name="htmlDump">
/// The html Dump.
/// </param>
/// <param name="postId">
/// The Post Id.
/// </param>
/// <returns>
/// The extract images links html.
/// </returns>
public static List <ImageInfo> ExtractImagesLinksHtml(string htmlDump, string postId)
{
if (!string.IsNullOrEmpty(postId) && postId.StartsWith("http://"))
{
postId = postId.Substring(postId.IndexOf("#post") + 5);
}
htmlDump = htmlDump.Replace("&", "&");
// use only message content
var sMessageStart = string.Format("<div id=\"post_message_{0}\">", postId);
var sMessageEnd = "</blockquote>";
var iStart = htmlDump.IndexOf(sMessageStart);
iStart += sMessageStart.Length;
var iEnd = htmlDump.IndexOf(sMessageEnd, iStart);
htmlDump = htmlDump.Substring(iStart, iEnd - iStart);
///////////////////////////////////////////////
// Parse all Links <a>
var rtnList =
LinkFinder.ListAllLinks(htmlDump).Select(
link =>
new ImageInfo
{
ImageUrl = RemoveRedirectLink(Utility.ReplaceHexWithAscii(link.Href)),
ThumbnailUrl = Utility.ReplaceHexWithAscii(link.Text)
}).Where(newPicPoolItem => !Utility.IsImageNoneSense(newPicPoolItem.ImageUrl) && !Utility.IsImageNoneSense(newPicPoolItem.ThumbnailUrl)).ToList();
// Parse all Image <a>
rtnList.AddRange(
LinkFinder.ListAllImages(htmlDump).Select(
link =>
new ImageInfo
{
ImageUrl = RemoveRedirectLink(Utility.ReplaceHexWithAscii(link.Href)),
ThumbnailUrl = Utility.ReplaceHexWithAscii(link.Text)
}));
return(rtnList);
}
/// <summary>
/// Extracts links leading to other threads and posts for indices crawling.
/// </summary>
/// <param name="xmlDump">
/// The XML dump.
/// </param>
/// <returns>
/// The extract rip URL's.
/// </returns>
public static List <ImageInfo> ExtractRiPUrls(string xmlDump)
{
var rtnList = new List <ImageInfo>();
var rtnHashChk = new Hashtable();
try
{
var ds = new DataSet();
ds.ReadXml(new StringReader(xmlDump));
foreach (var newPicPool in
from DataRow row in ds.Tables["Image"].Rows
select
new ImageInfo
{
ImageUrl = row["main_url"].ToString(),
ThumbnailUrl =
row["thumb_url"] != null ? row["thumb_url"].ToString() : string.Empty
})
{
newPicPool.ImageUrl = Utility.ReplaceHexWithAscii(newPicPool.ImageUrl);
if (rtnHashChk.Contains(newPicPool.ImageUrl))
{
continue;
}
rtnList.Add(newPicPool);
rtnHashChk.Add(newPicPool.ImageUrl, "OK");
}
}
catch (Exception ex)
{
MessageBox.Show($"{ex.Message}\n{ex.StackTrace}");
}
return(rtnList);
}
/// <summary>
/// Extracts the thread to posts.
/// </summary>
/// <param name="xmlDump">
/// The XML dump.
/// </param>
/// <returns>
/// The extract thread to posts.
/// </returns>
public static List <ImageInfo> ExtractThreadtoPosts(string xmlDump)
{
var rtnList = new List <ImageInfo>();
var rtnHashChk = new Hashtable();
try
{
var ds = new DataSet();
ds.ReadXml(new StringReader(xmlDump));
foreach (var newPicPool in
ds.Tables["post"].Rows.Cast <DataRow>()
.Where(row => row["id"] != null)
.Select(row => new ImageInfo {
ImageUrl = row["id"].ToString()
}))
{
newPicPool.ImageUrl = Utility.ReplaceHexWithAscii(newPicPool.ImageUrl);
if (rtnHashChk.Contains(newPicPool.ImageUrl))
{
continue;
}
rtnList.Add(newPicPool);
rtnHashChk.Add(newPicPool.ImageUrl, "OK");
}
}
catch (Exception ex)
{
Utility.SaveOnCrash(xmlDump, ex.StackTrace, null);
}
return(rtnList);
}
protected override bool DoDownload()
{
var strImgURL = this.ImageLinkURL;
if (this.EventTable.ContainsKey(strImgURL))
{
return(true);
}
try
{
if (!Directory.Exists(this.SavePath))
{
Directory.CreateDirectory(this.SavePath);
}
}
catch (IOException ex)
{
// MainForm.DeleteMessage = ex.Message;
// MainForm.Delete = true;
return(false);
}
var strFilePath = strImgURL.Substring(strImgURL.LastIndexOf("/") + 1).Replace(".html", string.Empty);
strFilePath = Path.Combine(this.SavePath, Utility.RemoveIllegalCharecters(strFilePath));
var CCObj = new CacheObject();
CCObj.IsDownloaded = false;
CCObj.FilePath = strFilePath;
CCObj.Url = strImgURL;
try
{
this.EventTable.Add(strImgURL, CCObj);
}
catch (ThreadAbortException)
{
return(true);
}
catch (Exception)
{
if (this.EventTable.ContainsKey(strImgURL))
{
return(false);
}
else
{
this.EventTable.Add(strImgURL, CCObj);
}
}
var strIVPage = this.GetImageHostPage(ref strImgURL);
if (strIVPage.Length < 10)
{
return(false);
}
var iStartIMG = 0;
var iEndSRC = 0;
iStartIMG = strIVPage.IndexOf("<img id=\"thepic\" name=\"thisimage\" src=\"");
if (iStartIMG < 0)
{
return(false);
}
iStartIMG += 39;
iEndSRC = strIVPage.IndexOf("\" width", iStartIMG);
if (iEndSRC < 0)
{
return(false);
}
var strNewURL = Utility.ReplaceHexWithAscii(strIVPage.Substring(iStartIMG, iEndSRC - iStartIMG));
//////////////////////////////////////////////////////////////////////////
var NewAlteredPath = Utility.GetSuitableName(strFilePath);
if (strFilePath != NewAlteredPath)
{
strFilePath = NewAlteredPath;
((CacheObject)this.EventTable[this.ImageLinkURL]).FilePath = strFilePath;
}
try
{
var client = new WebClient();
client.Headers.Add("Referer: " + strImgURL);
client.Headers.Add(
"User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.2; en-US; rv:1.7.10) Gecko/20050716 Firefox/1.0.6");
client.DownloadFile(strNewURL, strFilePath);
client.Dispose();
}
catch (ThreadAbortException)
{
((CacheObject)this.EventTable[strImgURL]).IsDownloaded = false;
ThreadManager.GetInstance().RemoveThreadbyId(this.ImageLinkURL);
return(true);
}
catch (IOException ex)
{
// MainForm.DeleteMessage = ex.Message;
// MainForm.Delete = true;
((CacheObject)this.EventTable[strImgURL]).IsDownloaded = false;
ThreadManager.GetInstance().RemoveThreadbyId(this.ImageLinkURL);
return(true);
}
catch (WebException)
{
((CacheObject)this.EventTable[strImgURL]).IsDownloaded = false;
ThreadManager.GetInstance().RemoveThreadbyId(this.ImageLinkURL);
return(false);
}
((CacheObject)this.EventTable[this.ImageLinkURL]).IsDownloaded = true;
// CacheController.GetInstance().u_s_LastPic = ((CacheObject)eventTable[mstrURL]).FilePath;
CacheController.Instance().LastPic =
((CacheObject)this.EventTable[this.ImageLinkURL]).FilePath = strFilePath;
return(true);
}
/// <summary>
/// Attempts to extract hot linked and thumb->FullScale images.
/// </summary>
/// <param name="htmlDump">The html Dump.</param>
/// <param name="postId">The post identifier.</param>
/// <returns>
/// The extract attachment images html.
/// </returns>
public static List <ImageInfo> ExtractAttachmentImagesHtml(string htmlDump, string postId)
{
var rtnList = new List <ImageInfo>();
htmlDump = htmlDump.Replace("&", "&");
var start = "<div class=\"attachments\">";
var end = "<!-- / attachments -->";
// use only message content
var iStart = htmlDump.IndexOf(start, System.StringComparison.Ordinal);
if (iStart < 0)
{
// fix post id
if (postId.Contains("#post"))
{
postId = postId.Substring(postId.IndexOf("#post", System.StringComparison.Ordinal) + 5);
}
start = string.Format("<div id=\"post_message_{0}\">", postId);
end = "</blockquote>";
iStart = htmlDump.IndexOf(start, System.StringComparison.Ordinal);
if (iStart < 0)
{
// Return Empty List
return(rtnList);
}
iStart += start.Length;
var startDump = htmlDump.Substring(iStart);
var iEnd = startDump.IndexOf(end, System.StringComparison.Ordinal);
if (iEnd > 0)
{
htmlDump = startDump.Remove(iEnd);
}
}
else
{
iStart += start.Length;
var iEnd = htmlDump.IndexOf(end, System.StringComparison.Ordinal);
if (iEnd > 0)
{
htmlDump = htmlDump.Substring(iStart, iEnd - iStart);
}
}
///////////////////////////////////////////////
rtnList.AddRange(
LinkFinder.ListAllLinks(htmlDump)
.Select(
link =>
new ImageInfo
{
ImageUrl =
link.Href.StartsWith("http://")
? link.Href
: CacheController.Instance().UserSettings.CurrentForumUrl
+ Utility.ReplaceHexWithAscii(link.Href),
ThumbnailUrl = string.Empty
})
.Where(newPicPoolItem => !Utility.IsImageNoneSense(newPicPoolItem.ImageUrl)));
return(rtnList);
}
/// <summary>
/// Extract the Current Post Title if there is any
/// if not use PostId As Title
/// </summary>
/// <param name="content">
/// The content.
/// </param>
/// <param name="url">
/// The url.
/// </param>
/// <returns>
/// The extract post title from html.
/// </returns>
public string ExtractPostTitleFromHtml(string content, string url)
{
string postTitle;
////////////////////////////////////
// Extract Current Post first
var sPostId = url.Substring(url.IndexOf("#post") + 5);
// use only message content
var sMessageStart = string.Format(
"<li class=\"postbitlegacy postbitim postcontainer\" id=\"post_{0}\">",
sPostId);
const string MessageEnd = "</blockquote>";
var iStart = content.IndexOf(sMessageStart);
iStart += sMessageStart.Length;
var iEnd = content.IndexOf(MessageEnd, iStart);
var pageContent = content.Substring(iStart, iEnd - iStart);
/////////////////////////////////
const string TitleStart = "<h2 class=\"title icon\">";
var iTitleStart = pageContent.IndexOf(TitleStart);
iTitleStart += TitleStart.Length;
var iTitleEnd = pageContent.IndexOf("</h2>", iTitleStart);
try
{
postTitle =
pageContent.Substring(iTitleStart, iTitleEnd - iTitleStart)
.Replace("\r", string.Empty)
.Replace("\t", string.Empty)
.Replace("\n", string.Empty);
// Remove Post Icon
if (postTitle.StartsWith("<img src="))
{
postTitle = postTitle.Substring(postTitle.IndexOf("/>") + 3);
}
}
catch (Exception)
{
postTitle = string.Empty;
}
if (string.IsNullOrEmpty(postTitle))
{
postTitle = string.Format("post# {0}", url.Substring(url.IndexOf(@"#post") + 5));
}
else
{
return(Utility.ReplaceHexWithAscii(postTitle));
}
return(Utility.ReplaceHexWithAscii(postTitle));
}
/// <summary>
/// Attempts to extract hot linked and thumb->FullScale images.
/// </summary>
/// <param name="strDump">
/// The STR dump.
/// </param>
/// <returns>
/// The extract images.
/// </returns>
public static List <ImageInfo> ExtractImages(string strDump)
{
var rtnList = new List <ImageInfo>();
var rtnHashChk = new Hashtable();
try
{
var ds = new DataSet();
ds.ReadXml(new StringReader(strDump));
foreach (DataRow row in ds.Tables["Image"].Rows)
{
string thumbUrl;
try
{
thumbUrl = row["thumb_url"].ToString();
}
catch (Exception)
{
thumbUrl = string.Empty;
}
var newPicPool = new ImageInfo
{
ImageUrl = row["main_url"].ToString(),
ThumbnailUrl = thumbUrl
};
newPicPool.ImageUrl = Regex.Replace(newPicPool.ImageUrl, @"""", string.Empty);
//////////////////////////////////////////////////////////////////////////
if (Utility.IsImageNoneSense(newPicPool.ImageUrl))
{
continue;
}
newPicPool.ImageUrl = Utility.ReplaceHexWithAscii(newPicPool.ImageUrl);
// Remove anonym.to from Link if exists
if (newPicPool.ImageUrl.Contains("anonym.to"))
{
newPicPool.ImageUrl = newPicPool.ImageUrl.Replace("http://www.anonym.to/?", string.Empty);
}
// Remove redirect
if (newPicPool.ImageUrl.Contains("redirect-to"))
{
newPicPool.ImageUrl =
newPicPool.ImageUrl.Replace(
$"{CacheController.Instance().UserSettings.ForumURL}redirect-to/?redirect=",
string.Empty);
}
// Get Real Url
if (newPicPool.ImageUrl.Contains("/out/out.php?x="))
{
var req = (HttpWebRequest)WebRequest.Create(newPicPool.ImageUrl);
req.Referer = newPicPool.ImageUrl;
req.Timeout = 20000;
var res = (HttpWebResponse)req.GetResponse();
newPicPool.ImageUrl = res.ResponseUri.ToString();
res.Close();
}
if (rtnHashChk.Contains(newPicPool.ImageUrl))
{
continue;
}
rtnList.Add(newPicPool);
rtnHashChk.Add(newPicPool.ImageUrl, "OK");
}
}
catch (Exception ex)
{
MessageBox.Show($"{ex.Message}\n{ex.StackTrace}");
}
return(rtnList);
}
