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// Copyright 2015 go-swagger maintainers
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package spec
import (
"encoding/json"
"github.com/go-openapi/jsonpointer"
"github.com/go-openapi/swag"
)
const (
basic = "basic"
apiKey = "apiKey"
oauth2 = "oauth2"
implicit = "implicit"
password = "password"
application = "application"
accessCode = "accessCode"
)
// BasicAuth creates a basic auth security scheme
func BasicAuth() *SecurityScheme {
return &SecurityScheme{SecuritySchemeProps: SecuritySchemeProps{Type: basic}}
}
// APIKeyAuth creates an api key auth security scheme
func APIKeyAuth(fieldName, valueSource string) *SecurityScheme {
return &SecurityScheme{SecuritySchemeProps: SecuritySchemeProps{Type: apiKey, Name: fieldName, In: valueSource}}
}
// OAuth2Implicit creates an implicit flow oauth2 security scheme
func OAuth2Implicit(authorizationURL string) *SecurityScheme {
return &SecurityScheme{SecuritySchemeProps: SecuritySchemeProps{
Type: oauth2,
Flow: implicit,
AuthorizationURL: authorizationURL,
}}
}
// OAuth2Password creates a password flow oauth2 security scheme
func OAuth2Password(tokenURL string) *SecurityScheme {
return &SecurityScheme{SecuritySchemeProps: SecuritySchemeProps{
Type: oauth2,
Flow: password,
TokenURL: tokenURL,
}}
}
// OAuth2Application creates an application flow oauth2 security scheme
func OAuth2Application(tokenURL string) *SecurityScheme {
return &SecurityScheme{SecuritySchemeProps: SecuritySchemeProps{
Type: oauth2,
Flow: application,
TokenURL: tokenURL,
}}
}
// OAuth2AccessToken creates an access token flow oauth2 security scheme
func OAuth2AccessToken(authorizationURL, tokenURL string) *SecurityScheme {
return &SecurityScheme{SecuritySchemeProps: SecuritySchemeProps{
Type: oauth2,
Flow: accessCode,
AuthorizationURL: authorizationURL,
TokenURL: tokenURL,
}}
}
// SecuritySchemeProps describes a swagger security scheme in the securityDefinitions section
type SecuritySchemeProps struct {
Description string `json:"description,omitempty"`
Type string `json:"type"`
Name string `json:"name,omitempty"` // api key
In string `json:"in,omitempty"` // api key
Flow string `json:"flow,omitempty"` // oauth2
AuthorizationURL string `json:"authorizationUrl,omitempty"` // oauth2
TokenURL string `json:"tokenUrl,omitempty"` // oauth2
Scopes map[string]string `json:"scopes,omitempty"` // oauth2
}
// AddScope adds a scope to this security scheme
func (s *SecuritySchemeProps) AddScope(scope, description string) {
if s.Scopes == nil {
s.Scopes = make(map[string]string)
}
s.Scopes[scope] = description
}
// SecurityScheme allows the definition of a security scheme that can be used by the operations.
// Supported schemes are basic authentication, an API key (either as a header or as a query parameter)
// and OAuth2's common flows (implicit, password, application and access code).
//
// For more information: http://goo.gl/8us55a#securitySchemeObject
type SecurityScheme struct {
VendorExtensible
SecuritySchemeProps
}
// JSONLookup implements an interface to customize json pointer lookup
func (s SecurityScheme) JSONLookup(token string) (interface{}, error) {
if ex, ok := s.Extensions[token]; ok {
return &ex, nil
}
r, _, err := jsonpointer.GetForToken(s.SecuritySchemeProps, token)
return r, err
}
// MarshalJSON marshal this to JSON
func (s SecurityScheme) MarshalJSON() ([]byte, error) {
b1, err := json.Marshal(s.SecuritySchemeProps)
if err != nil {
return nil, err
}
b2, err := json.Marshal(s.VendorExtensible)
if err != nil {
return nil, err
}
return swag.ConcatJSON(b1, b2), nil
}
// UnmarshalJSON marshal this from JSON
func (s *SecurityScheme) UnmarshalJSON(data []byte) error {
if err := json.Unmarshal(data, &s.SecuritySchemeProps); err != nil {
return err
}
if err := json.Unmarshal(data, &s.VendorExtensible); err != nil {
return err
}
return nil
}
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