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discord plugin: sanity check user id and avatar id before building url

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This commit is contained in:
Adam
2021-05-17 18:25:28 -04:00
parent 2a118bdb4d
commit 38cd07d025
1 changed files with 19 additions and 6 deletions
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25
runelite-client/src/main/java/net/runelite/client/plugins/discord/DiscordPlugin.java
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@@ -25,6 +25,7 @@
*/
package net.runelite.client.plugins.discord;
import com.google.common.base.CharMatcher;
import com.google.common.base.Strings;
import com.google.inject.Inject;
import com.google.inject.Provides;
@@ -246,18 +247,30 @@ public class DiscordPlugin extends Plugin
return;
}
String url = "https://cdn.discordapp.com/avatars/" + event.getUserId() + "/" + event.getAvatarId() + ".png";
CharMatcher matcher = CharMatcher.anyOf("abcdef0123456789");
if (!matcher.matchesAllOf(event.getUserId()) || !matcher.matchesAllOf(event.getAvatarId()))
{
// userid is actually a snowflake, but the matcher is sufficient
return;
}
final String url;
if (Strings.isNullOrEmpty(event.getAvatarId()))
{
final String[] split = memberById.getName().split("#", 2);
if (split.length == 2)
if (split.length != 2)
{
int disc = Integer.valueOf(split[1]);
int avatarId = disc % 5;
url = "https://cdn.discordapp.com/embed/avatars/" + avatarId + ".png";
return;
}
int disc = Integer.parseInt(split[1]);
int avatarId = disc % 5;
url = "https://cdn.discordapp.com/embed/avatars/" + avatarId + ".png";
}
else
{
url = "https://cdn.discordapp.com/avatars/" + event.getUserId() + "/" + event.getAvatarId() + ".png";
}
log.debug("Got user avatar {}", url);