github.com/kyma-incubator/compass/components/director@v0.0.0-20230623144113-d764f56ff805/pkg/scope/directive.go (about)

     1  package scope
     2  
     3  import (
     4  	"context"
     5  
     6  	"github.com/kyma-incubator/compass/components/director/pkg/str"
     7  
     8  	"github.com/99designs/gqlgen/graphql"
     9  	"github.com/pkg/errors"
    10  )
    11  
    12  // ScopesGetter missing godoc
    13  //go:generate mockery --name=ScopesGetter --output=automock --outpkg=automock --case=underscore --disable-version-string
    14  type ScopesGetter interface {
    15  	GetRequiredScopes(scopesDefinition string) ([]string, error)
    16  }
    17  
    18  // ScopesMismatchErrorProvider missing godoc
    19  type ScopesMismatchErrorProvider interface {
    20  	Error([]string, []string) error
    21  }
    22  
    23  type directive struct {
    24  	scopesGetter  ScopesGetter
    25  	errorProvider ScopesMismatchErrorProvider
    26  }
    27  
    28  // NewDirective missing godoc
    29  func NewDirective(getter ScopesGetter, errorProvider ScopesMismatchErrorProvider) *directive {
    30  	return &directive{
    31  		scopesGetter:  getter,
    32  		errorProvider: errorProvider,
    33  	}
    34  }
    35  
    36  // VerifyScopes missing godoc
    37  func (d *directive) VerifyScopes(ctx context.Context, _ interface{}, next graphql.Resolver, scopesDefinition string) (interface{}, error) {
    38  	actualScopes, err := LoadFromContext(ctx)
    39  	if err != nil {
    40  		return nil, err
    41  	}
    42  	requiredScopes, err := d.scopesGetter.GetRequiredScopes(scopesDefinition)
    43  	if err != nil {
    44  		return nil, errors.Wrap(err, "while getting required scopes")
    45  	}
    46  
    47  	if !str.Matches(actualScopes, requiredScopes) {
    48  		return nil, d.errorProvider.Error(requiredScopes, actualScopes)
    49  	}
    50  	return next(ctx)
    51  }