org.sonar.plugins.csharp.S3994.html Maven / Gradle / Ivy
Why is this an issue?
String representations of URIs or URLs are prone to parsing and encoding errors which can lead to vulnerabilities. The System.Uri
class is a safe alternative and should be preferred. At minimum, an overload of the method taking a System.Uri
as a parameter should be
provided in each class that contains a method with an apparent Uri passed as a string
.
This rule raises issues when a method has a string parameter with a name containing "uri", "Uri", "urn", "Urn", "url" or "Url", and the type
doesn’t declare a corresponding overload taking an System.Uri
parameter instead.
Noncompliant code example
using System;
namespace MyLibrary
{
public class MyClass
{
public void FetchResource(string uriString) { } // Noncompliant
}
}
Compliant solution
using System;
namespace MyLibrary
{
public class MyClass
{
public void FetchResource(string uriString)
{
FetchResource(new Uri(uriString));
}
public void FetchResource(Uri uri) { }
}
}
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