2016-05-30 19:48:37 +02:00

223 lines
12 KiB
C#

using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Text.RegularExpressions;
/*******************************************************************************
* Free ASP.net IMDb Scraper API for the new IMDb Template.
* Author: Abhinay Rathore
* Website: http://www.AbhinayRathore.com
* Blog: http://web3o.blogspot.com
* More Info: http://web3o.blogspot.com/2010/11/aspnetc-imdb-scraping-api.html
* Updated By: Gergo Torcsvari
* Last Updated: Feb, 2016
*******************************************************************************/
namespace NadekoBot.Modules.Searches.Commands.IMDB
{
public static class ImdbScraper
{
//Search Engine URLs
private static string GoogleSearch = "https://www.google.com/search?q=imdb+";
private static string BingSearch = "http://www.bing.com/search?q=imdb+";
private static string AskSearch = "http://www.ask.com/web?q=imdb+";
//Constructor
public static ImdbMovie ImdbScrape(string MovieName, bool GetExtraInfo = true)
{
ImdbMovie mov = new ImdbMovie();
string imdbUrl = GetIMDbUrl(System.Uri.EscapeUriString(MovieName));
mov.Status = false;
if (!string.IsNullOrEmpty(imdbUrl))
{
ParseIMDbPage(imdbUrl, GetExtraInfo, mov);
}
return mov;
}
public static ImdbMovie ImdbScrapeFromId(string imdbId, bool GetExtraInfo = true)
{
ImdbMovie mov = new ImdbMovie();
string imdbUrl = "http://www.imdb.com/title/" + imdbId + "/";
mov.Status = false;
ParseIMDbPage(imdbUrl, GetExtraInfo, mov);
return mov;
}
public static string GetIMDBId(string MovieName)
{
string imdbUrl = GetIMDbUrl(System.Uri.EscapeUriString(MovieName));
return match(@"http://www.imdb.com/title/(tt\d{7})", imdbUrl);
}
//Get IMDb URL from search results
private static string GetIMDbUrl(string MovieName, string searchEngine = "google")
{
string url = GoogleSearch + MovieName; //default to Google search
if (searchEngine.ToLower().Equals("bing")) url = BingSearch + MovieName;
if (searchEngine.ToLower().Equals("ask")) url = AskSearch + MovieName;
string html = GetUrlData(url);
ArrayList imdbUrls = MatchAll(@"<a href=""(http://www.imdb.com/title/tt\d{7}/)"".*?>.*?</a>", html);
if (imdbUrls.Count > 0)
return (string)imdbUrls[0]; //return first IMDb result
else if (searchEngine.ToLower().Equals("google")) //if Google search fails
return GetIMDbUrl(MovieName, "bing"); //search using Bing
else if (searchEngine.ToLower().Equals("bing")) //if Bing search fails
return GetIMDbUrl(MovieName, "ask"); //search using Ask
else //search fails
return string.Empty;
}
//Parse IMDb page data
private static void ParseIMDbPage(string imdbUrl, bool GetExtraInfo, ImdbMovie mov)
{
string html = GetUrlData(imdbUrl + "combined");
mov.Id = match(@"<link rel=""canonical"" href=""http://www.imdb.com/title/(tt\d{7})/combined"" />", html);
if (!string.IsNullOrEmpty(mov.Id))
{
mov.Status = true;
mov.Title = match(@"<title>(IMDb \- )*(.*?) \(.*?</title>", html, 2);
mov.OriginalTitle = match(@"title-extra"">(.*?)<", html);
mov.Year = match(@"<title>.*?\(.*?(\d{4}).*?\).*?</title>", match(@"(<title>.*?</title>)", html));
mov.Rating = match(@"<b>(\d.\d)/10</b>", html);
mov.Genres = MatchAll(@"<a.*?>(.*?)</a>", match(@"Genre.?:(.*?)(</div>|See more)", html)).Cast<string>().ToList();
mov.Plot = match(@"Plot:</h5>.*?<div class=""info-content"">(.*?)(<a|</div)", html);
//mov.Directors = matchAll(@"<td valign=""top""><a.*?href=""/name/.*?/"">(.*?)</a>", match(@"Directed by</a></h5>(.*?)</table>", html));
//mov.Writers = matchAll(@"<td valign=""top""><a.*?href=""/name/.*?/"">(.*?)</a>", match(@"Writing credits</a></h5>(.*?)</table>", html));
//mov.Producers = matchAll(@"<td valign=""top""><a.*?href=""/name/.*?/"">(.*?)</a>", match(@"Produced by</a></h5>(.*?)</table>", html));
//mov.Musicians = matchAll(@"<td valign=""top""><a.*?href=""/name/.*?/"">(.*?)</a>", match(@"Original Music by</a></h5>(.*?)</table>", html));
//mov.Cinematographers = matchAll(@"<td valign=""top""><a.*?href=""/name/.*?/"">(.*?)</a>", match(@"Cinematography by</a></h5>(.*?)</table>", html));
//mov.Editors = matchAll(@"<td valign=""top""><a.*?href=""/name/.*?/"">(.*?)</a>", match(@"Film Editing by</a></h5>(.*?)</table>", html));
//mov.Cast = matchAll(@"<td class=""nm""><a.*?href=""/name/.*?/"".*?>(.*?)</a>", match(@"<h3>Cast</h3>(.*?)</table>", html));
//mov.PlotKeywords = matchAll(@"<a.*?>(.*?)</a>", match(@"Plot Keywords:</h5>.*?<div class=""info-content"">(.*?)</div", html));
//mov.ReleaseDate = match(@"Release Date:</h5>.*?<div class=""info-content"">.*?(\d{1,2} (January|February|March|April|May|June|July|August|September|October|November|December) (19|20)\d{2})", html);
//mov.Runtime = match(@"Runtime:</h5><div class=""info-content"">(\d{1,4}) min[\s]*.*?</div>", html);
//mov.Top250 = match(@"Top 250: #(\d{1,3})<", html);
//mov.Oscars = match(@"Won (\d+) Oscars?\.", html);
//if (string.IsNullOrEmpty(mov.Oscars) && "Won Oscar.".Equals(match(@"(Won Oscar\.)", html))) mov.Oscars = "1";
//mov.Awards = match(@"(\d{1,4}) wins", html);
//mov.Nominations = match(@"(\d{1,4}) nominations", html);
//mov.Tagline = match(@"Tagline:</h5>.*?<div class=""info-content"">(.*?)(<a|</div)", html);
//mov.MpaaRating = match(@"MPAA</a>:</h5><div class=""info-content"">Rated (G|PG|PG-13|PG-14|R|NC-17|X) ", html);
//mov.Votes = match(@">(\d+,?\d*) votes<", html);
//mov.Languages = matchAll(@"<a.*?>(.*?)</a>", match(@"Language.?:(.*?)(</div>|>.?and )", html));
//mov.Countries = matchAll(@"<a.*?>(.*?)</a>", match(@"Country:(.*?)(</div>|>.?and )", html));
mov.Poster = match(@"<div class=""photo"">.*?<a name=""poster"".*?><img.*?src=""(.*?)"".*?</div>", html);
if (!string.IsNullOrEmpty(mov.Poster) && mov.Poster.IndexOf("media-imdb.com") > 0)
{
mov.Poster = Regex.Replace(mov.Poster, @"_V1.*?.jpg", "_V1._SY200.jpg");
//mov.PosterLarge = Regex.Replace(mov.Poster, @"_V1.*?.jpg", "_V1._SY500.jpg");
//mov.PosterFull = Regex.Replace(mov.Poster, @"_V1.*?.jpg", "_V1._SY0.jpg");
}
else
{
mov.Poster = string.Empty;
//mov.PosterLarge = string.Empty;
//mov.PosterFull = string.Empty;
}
mov.ImdbURL = "http://www.imdb.com/title/" + mov.Id + "/";
if (GetExtraInfo)
{
string plotHtml = GetUrlData(imdbUrl + "plotsummary");
//mov.Storyline = match(@"<p class=""plotpar"">(.*?)(<i>|</p>)", plotHtml);
GetReleaseDatesAndAka(mov);
//mov.MediaImages = getMediaImages(mov);
//mov.RecommendedTitles = getRecommendedTitles(mov);
}
}
}
//Get all release dates and aka-s
private static void GetReleaseDatesAndAka(ImdbMovie mov)
{
Dictionary<string, string> release = new Dictionary<string, string>();
string releasehtml = GetUrlData("http://www.imdb.com/title/" + mov.Id + "/releaseinfo");
foreach (string r in MatchAll(@"<tr class="".*?"">(.*?)</tr>", match(@"<table id=""release_dates"" class=""subpage_data spFirst"">\n*?(.*?)</table>", releasehtml)))
{
Match rd = new Regex(@"<td>(.*?)</td>\n*?.*?<td class=.*?>(.*?)</td>", RegexOptions.Multiline).Match(r);
release[StripHTML(rd.Groups[1].Value.Trim())] = StripHTML(rd.Groups[2].Value.Trim());
}
//mov.ReleaseDates = release;
Dictionary<string, string> aka = new Dictionary<string, string>();
ArrayList list = MatchAll(@".*?<tr class="".*?"">(.*?)</tr>", match(@"<table id=""akas"" class=.*?>\n*?(.*?)</table>", releasehtml));
foreach (string r in list)
{
Match rd = new Regex(@"\n*?.*?<td>(.*?)</td>\n*?.*?<td>(.*?)</td>", RegexOptions.Multiline).Match(r);
aka[StripHTML(rd.Groups[1].Value.Trim())] = StripHTML(rd.Groups[2].Value.Trim());
}
mov.Aka = aka;
}
//Get all media images
private static ArrayList GetMediaImages(ImdbMovie mov)
{
ArrayList list = new ArrayList();
string mediaurl = "http://www.imdb.com/title/" + mov.Id + "/mediaindex";
string mediahtml = GetUrlData(mediaurl);
int pagecount = MatchAll(@"<a href=""\?page=(.*?)"">", match(@"<span style=""padding: 0 1em;"">(.*?)</span>", mediahtml)).Count;
for (int p = 1; p <= pagecount + 1; p++)
{
mediahtml = GetUrlData(mediaurl + "?page=" + p);
foreach (Match m in new Regex(@"src=""(.*?)""", RegexOptions.Multiline).Matches(match(@"<div class=""thumb_list"" style=""font-size: 0px;"">(.*?)</div>", mediahtml)))
{
String image = m.Groups[1].Value;
list.Add(Regex.Replace(image, @"_V1\..*?.jpg", "_V1._SY0.jpg"));
}
}
return list;
}
//Get Recommended Titles
private static ArrayList GetRecommendedTitles(ImdbMovie mov)
{
ArrayList list = new ArrayList();
string recUrl = "http://www.imdb.com/widget/recommendations/_ajax/get_more_recs?specs=p13nsims%3A" + mov.Id;
string json = GetUrlData(recUrl);
list = MatchAll(@"title=\\""(.*?)\\""", json);
HashSet<String> set = new HashSet<string>();
foreach (String rec in list) set.Add(rec);
return new ArrayList(set.ToList());
}
/*******************************[ Helper Methods ]********************************/
//Match single instance
private static string match(string regex, string html, int i = 1)
{
return new Regex(regex, RegexOptions.Multiline).Match(html).Groups[i].Value.Trim();
}
//Match all instances and return as ArrayList
private static ArrayList MatchAll(string regex, string html, int i = 1)
{
ArrayList list = new ArrayList();
foreach (Match m in new Regex(regex, RegexOptions.Multiline).Matches(html))
list.Add(m.Groups[i].Value.Trim());
return list;
}
//Strip HTML Tags
private static string StripHTML(string inputString)
{
return Regex.Replace(inputString, @"<.*?>", string.Empty);
}
//Get URL Data
private static string GetUrlData(string url)
{
WebClient client = new WebClient();
Random r = new Random();
//Random IP Address
//client.Headers["X-Forwarded-For"] = r.Next(0, 255) + "." + r.Next(0, 255) + "." + r.Next(0, 255) + "." + r.Next(0, 255);
//Random User-Agent
client.Headers["User-Agent"] = "Mozilla/" + r.Next(3, 5) + ".0 (Windows NT " + r.Next(3, 5) + "." + r.Next(0, 2) + "; rv:37.0) Gecko/20100101 Firefox/" + r.Next(30, 37) + "." + r.Next(0, 5);
Stream datastream = client.OpenRead(url);
StreamReader reader = new StreamReader(datastream);
StringBuilder sb = new StringBuilder();
//TODO: Coud be reader error must catch and drop!!!
while (!reader.EndOfStream)
sb.Append(reader.ReadLine());
return sb.ToString();
}
}
}