40 lines
1.6 KiB
Plaintext
40 lines
1.6 KiB
Plaintext
using System;
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using System.IO;
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using System.Net;
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using System.Net.Security;
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using System.Security.Cryptography.X509Certificates;
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using System.Text.RegularExpressions;
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namespace AniNIX.Shared {
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public static class WebPageAPI {
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// Thanks to MSDN for this regex.
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// https://msdn.microsoft.com/en-us/library/ms998267.aspx
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public static Regex URLRegEx = new Regex(@"(ht|f)tp(s?)\:\/\/[0-9a-zA-Z]([-.\w]*[0-9a-zA-Z])*(:(0-9)*)*(\/?)([a-zA-Z0-9\-\.\?\,\'\/\\\+&%\$#_]*)?");
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/// <summary>
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/// Get a webpage source -- we use this instead of WebClient because Mono doesn't handle SSL well on Linux.
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/// /usr/bin/curl -s SOMEURL
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/// </summary>
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/// <param name="pageURL"> the webpage whose title we should get</param>
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/// <returns> the webpage source </returns>
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public static string GetPage(String pageURL) {
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return ExecuteCommand.Run(String.Format("/usr/bin/curl -s --max-time 5 {0}",pageURL));
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}
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/// <summary>
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/// Get a webpage title
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/// Should be equivalent to:
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/// /bin/bash -c '/usr/bin/curl -s SOMEURL | perl -l -0777 -ne "print \$1 if /<title.*?>\s*(.*?)\s*<\/title/si"'
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/// </summary>
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/// <param name="pageURL"> the webpage whose title we should get</param>
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/// <returns> the webpage title </returns>
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public static string GetPageTitle(String pageURL) {
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string source = GetPage(pageURL);
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return Regex.Match(source, @"\<title\b[^>]*\>\s*(?<Title>[\s\S]*?)\</title\>", RegexOptions.IgnoreCase).Groups["Title"].Value;
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}
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}
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}
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