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Rule S6968: Add support for ProducesAttribute #9211

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merged 1 commit into from
Apr 26, 2024
Merged

Rule S6968: Add support for ProducesAttribute #9211

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13 changes: 8 additions & 5 deletions analyzers/src/SonarAnalyzer.CSharp/Rules/SwaggerActionReturnType.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,9 @@ public sealed class SwaggerActionReturnType : SonarDiagnosticAnalyzer
private static readonly ImmutableArray<KnownType> ControllerActionReturnTypes = ImmutableArray.Create(
KnownType.Microsoft_AspNetCore_Mvc_IActionResult,
KnownType.Microsoft_AspNetCore_Http_IResult);
private static readonly ImmutableArray<KnownType> ProducesAttributes = ImmutableArray.Create(
KnownType.Microsoft_AspNetCore_Mvc_ProducesAttribute,
KnownType.Microsoft_AspNetCore_Mvc_ProducesResponseTypeAttribute);
private static HashSet<string> ActionResultMethods =>
[
"Ok",
Expand Down Expand Up @@ -85,7 +88,7 @@ private static InvalidMethodResult InvalidMethod(BaseMethodDeclarationSyntax met
|| !method.ReturnType.DerivesOrImplementsAny(ControllerActionReturnTypes)
|| method.GetAttributesWithInherited().Any(x => x.AttributeClass.DerivesFrom(KnownType.Microsoft_AspNetCore_Mvc_ApiConventionMethodAttribute)
|| HasApiExplorerSettingsWithIgnoreApiTrue(x)
|| HasProducesResponseTypeAttributeWithReturnType(x))
|| HasProducesAttributesWithReturnType(x))
? null
: new InvalidMethodResult(method, responseInvocations);
}
Expand Down Expand Up @@ -124,7 +127,7 @@ private static bool IsControllerCandidate(ISymbol symbol)
foreach (var attribute in symbol.GetAttributesWithInherited())
{
if (attribute.AttributeClass.DerivesFrom(KnownType.Microsoft_AspNetCore_Mvc_ApiConventionTypeAttribute)
|| HasProducesResponseTypeAttributeWithReturnType(attribute)
|| HasProducesAttributesWithReturnType(attribute)
|| HasApiExplorerSettingsWithIgnoreApiTrue(attribute))
{
return false;
Expand All @@ -139,10 +142,10 @@ private static string GetMessage(ISymbol symbol) =>
? NoTypeMessageFormat
: NoAttributeMessageFormat;

private static bool HasProducesResponseTypeAttributeWithReturnType(AttributeData attribute) =>
private static bool HasProducesAttributesWithReturnType(AttributeData attribute) =>
attribute.AttributeClass.DerivesFrom(KnownType.Microsoft_AspNetCore_Mvc_ProducesResponseTypeAttribute_T)
|| (attribute.AttributeClass.DerivesFrom(KnownType.Microsoft_AspNetCore_Mvc_ProducesResponseTypeAttribute)
&& ContainsReturnType(attribute));
|| attribute.AttributeClass.DerivesFrom(KnownType.Microsoft_AspNetCore_Mvc_ProducesAttribute_T)
|| (attribute.AttributeClass.DerivesFromAny(ProducesAttributes) && ContainsReturnType(attribute));

private static bool HasApiExplorerSettingsWithIgnoreApiTrue(AttributeData attribute) =>
attribute.AttributeClass.DerivesFrom(KnownType.Microsoft_AspNetCore_Mvc_ApiExplorerSettingsAttribute)
Expand Down
2 changes: 2 additions & 0 deletions analyzers/src/SonarAnalyzer.Common/Helpers/KnownType.cs
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Expand Up @@ -92,6 +92,8 @@ public sealed partial class KnownType
public static readonly KnownType Microsoft_AspNetCore_Mvc_NonActionAttribute = new("Microsoft.AspNetCore.Mvc.NonActionAttribute");
public static readonly KnownType Microsoft_AspNetCore_Mvc_NonControllerAttribute = new("Microsoft.AspNetCore.Mvc.NonControllerAttribute");
public static readonly KnownType Microsoft_AspNetCore_Mvc_ObjectResult = new("Microsoft.AspNetCore.Mvc.ObjectResult");
public static readonly KnownType Microsoft_AspNetCore_Mvc_ProducesAttribute = new("Microsoft.AspNetCore.Mvc.ProducesAttribute");
public static readonly KnownType Microsoft_AspNetCore_Mvc_ProducesAttribute_T = new("Microsoft.AspNetCore.Mvc.ProducesAttribute", "T");
public static readonly KnownType Microsoft_AspNetCore_Mvc_ProducesResponseTypeAttribute = new("Microsoft.AspNetCore.Mvc.ProducesResponseTypeAttribute");
public static readonly KnownType Microsoft_AspNetCore_Mvc_ProducesResponseTypeAttribute_T = new("Microsoft.AspNetCore.Mvc.ProducesResponseTypeAttribute", "T");
public static readonly KnownType Microsoft_AspNetCore_Mvc_RazorPages_PageModel = new("Microsoft.AspNetCore.Mvc.RazorPages.PageModel");
Expand Down
13 changes: 13 additions & 0 deletions analyzers/tests/SonarAnalyzer.Test/TestCases/SwaggerActionReturnType.cs
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Expand Up @@ -15,6 +15,14 @@ public class CompliantBaseline : Controller
[HttpGet("foo")]
public IActionResult NotSuccessfulResult() => BadRequest(foo);

[HttpGet("foo")]
[Produces(typeof(Foo))]
public IActionResult HasProducesTypeOf() => Ok(foo);

[HttpGet("foo")]
[Produces<Foo>()]
public IActionResult HasProducesGeneric() => Ok(foo);

[HttpGet("foo")]
[ProducesResponseType(typeof(Foo), StatusCodes.Status200OK)]
public IActionResult HasProducesResponseTypeTypeOf() => Ok(foo);
Expand Down Expand Up @@ -151,6 +159,11 @@ public class NocompliantBaseline : ControllerBase
// ^^^^^^^
}

[HttpGet("foo")]
[Produces("text/plain")]
public IActionResult HasProducesTypeOf() => // Noncompliant
Ok(foo); // Secondary

[Route("foo")]
[ProducesResponseType(StatusCodes.Status200OK)]
public IActionResult AnnotatedWithNoType() // Noncompliant {{Use the ProducesResponseType overload containing the return type for successful responses.}}
Expand Down
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