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Consider verifying that the user has sufficient permissions when calling WebCollection.Add()

Before adding a new Web object, consider making sure that the user has permissions to perform that action.

CheckId SPC059013
TypeName CheckHasWebPermissionsBeforeAdding
Severity Warning
Type Assembly

Bad Practice

    using (ClientContext context = new ClientContext("http://yoursite"))
    {
        Web web = context.Web;
        WebCreationInformation creation = new WebCreationInformation
        {
            Url = "MySubsiteUrl",
            Title = "My Subsite Title"
        };
        context.Web.Webs.Add(creation);
        context.ExecuteQuery();
    }

Good Practice
    using (ClientContext context = new ClientContext("http://yoursite"))
    {
        Web web = context.Web;

        BasePermissions permissions = new BasePermissions();
        permissions.Set(PermissionKind.ManageSubwebs);

        var permissionResults = web.DoesUserHavePermissions(permissions);
        context.ExecuteQuery();

        if (permissionResults.Value)
        {
            WebCreationInformation creation = new WebCreationInformation
            {
                Url = "My New Subsite",
                Title = "My Subsite Title"
            };
            context.Web.Webs.Add(creation);
            context.ExecuteQuery();
        }
    }

To suppress this violation in managed code add the following attribute to the method which contains the instruction (available since SPCAF version v5.2). Learn more about SuppressMessage here.

// Important: Ensure to have #define CODE_ANALYSIS at the beginning of your .cs file
[SuppressMessage("SPCAF.Rules.ManagedCSOM.CSOMBestPracticesGroup", "SPC059013:CheckHasWebPermissionsBeforeAdding", Justification = "Provide reason for suppression here")]
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