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Make the mentions resolving safer

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This commit is contained in:
Alexey Golub 2017-10-27 21:04:10 +03:00
parent d4f2049db6
commit ecc95c9c7f
1 changed files with 19 additions and 31 deletions
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50
DiscordChatExporter/Services/ExportService.cs
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@ -1,6 +1,5 @@
using System;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Text.RegularExpressions;
@ -224,20 +223,12 @@ namespace DiscordChatExporter.Services
content = content.Replace("\n", Environment.NewLine);
// User mentions (<@id>)
content = Regex.Replace(content, "<@(\\d*)>",
m =>
{
var mentionedUser = message.MentionedUsers.First(u => u.Id == m.Groups[1].Value);
return $"@{mentionedUser}";
});
foreach (var mentionedUser in message.MentionedUsers)
content = content.Replace($"<@{mentionedUser.Id}>", $"@{mentionedUser}");
// Role mentions (<@&id>)
content = Regex.Replace(content, "<@&(\\d*)>",
m =>
{
var mentionedRole = message.MentionedRoles.First(r => r.Id == m.Groups[1].Value);
return $"@{mentionedRole.Name}";
});
foreach (var mentionedRole in message.MentionedRoles)
content = content.Replace($"<@&{mentionedRole.Id}>", $"@{mentionedRole.Name}");
// Custom emojis (<:name:id>)
content = Regex.Replace(content, "<(:.*?:)\\d*>", "$1");
@ -259,8 +250,7 @@ namespace DiscordChatExporter.Services
content = Regex.Replace(content, "`([^`]+)`", "<span class=\"pre\">$1</span>");
// URL links
content = Regex.Replace(content, "((https?|ftp)://[^\\s/$.?#].[^\\s]*)",
"<a href=\"$1\">$1</a>");
content = Regex.Replace(content, "((https?|ftp)://[^\\s/$.?#].[^\\s]*)", "<a href=\"$1\">$1</a>");
// Bold (**text**)
content = Regex.Replace(content, "\\*\\*([^\\*]*?)\\*\\*", "<b>$1</b>");
@ -287,24 +277,22 @@ namespace DiscordChatExporter.Services
content = content.Replace("@here", "<span class=\"mention\">@here</span>");
// User mentions (<@id>)
content = Regex.Replace(content, "&lt;@(\\d*)&gt;",
m =>
{
var mentionedUser = message.MentionedUsers.First(u => u.Id == m.Groups[1].Value);
return $"<span class=\"mention\" title=\"{HtmlEncode(mentionedUser)}\">" +
$"@{HtmlEncode(mentionedUser.Name)}" +
"</span>";
});
foreach (var mentionedUser in message.MentionedUsers)
{
content = content.Replace($"&lt;@{mentionedUser.Id}&gt;",
$"<span class=\"mention\" title=\"{HtmlEncode(mentionedUser)}\">" +
$"@{HtmlEncode(mentionedUser.Name)}" +
"</span>");
}
// Role mentions (<@&id>)
content = Regex.Replace(content, "&lt;@&amp;(\\d*)&gt;",
m =>
{
var mentionedRole = message.MentionedRoles.First(r => r.Id == m.Groups[1].Value);
return "<span class=\"mention\">" +
$"@{HtmlEncode(mentionedRole.Name)}" +
"</span>";
});
foreach (var mentionedRole in message.MentionedRoles)
{
content = content.Replace($"&lt;@&amp;{mentionedRole.Id}&gt;",
"<span class=\"mention\">" +
$"@{HtmlEncode(mentionedRole.Name)}" +
"</span>");
}
// Custom emojis (<:name:id>)
content = Regex.Replace(content, "&lt;(:.*?:)(\\d*)&gt;",