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config.go
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/
config.go
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package adal
// Copyright 2017 Microsoft Corporation
//
// 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.
import (
"fmt"
"net/url"
)
// OAuthConfig represents the endpoints needed
// in OAuth operations
type OAuthConfig struct {
AuthorityEndpoint url.URL `json:"authorityEndpoint"`
AuthorizeEndpoint url.URL `json:"authorizeEndpoint"`
TokenEndpoint url.URL `json:"tokenEndpoint"`
DeviceCodeEndpoint url.URL `json:"deviceCodeEndpoint"`
}
// IsZero returns true if the OAuthConfig object is zero-initialized.
func (oac OAuthConfig) IsZero() bool {
return oac == OAuthConfig{}
}
func validateStringParam(param, name string) error {
if len(param) == 0 {
return fmt.Errorf("parameter '" + name + "' cannot be empty")
}
return nil
}
// NewOAuthConfig returns an OAuthConfig with tenant specific urls
func NewOAuthConfig(activeDirectoryEndpoint, tenantID string) (*OAuthConfig, error) {
apiVer := "1.0"
return NewOAuthConfigWithAPIVersion(activeDirectoryEndpoint, tenantID, &apiVer)
}
// NewOAuthConfigWithAPIVersion returns an OAuthConfig with tenant specific urls.
// If apiVersion is not nil the "api-version" query parameter will be appended to the endpoint URLs with the specified value.
func NewOAuthConfigWithAPIVersion(activeDirectoryEndpoint, tenantID string, apiVersion *string) (*OAuthConfig, error) {
if err := validateStringParam(activeDirectoryEndpoint, "activeDirectoryEndpoint"); err != nil {
return nil, err
}
api := ""
// it's legal for tenantID to be empty so don't validate it
if apiVersion != nil {
if err := validateStringParam(*apiVersion, "apiVersion"); err != nil {
return nil, err
}
api = fmt.Sprintf("?api-version=%s", *apiVersion)
}
const activeDirectoryEndpointTemplate = "%s/oauth2/%s%s"
u, err := url.Parse(activeDirectoryEndpoint)
if err != nil {
return nil, err
}
authorityURL, err := u.Parse(tenantID)
if err != nil {
return nil, err
}
authorizeURL, err := u.Parse(fmt.Sprintf(activeDirectoryEndpointTemplate, tenantID, "authorize", api))
if err != nil {
return nil, err
}
tokenURL, err := u.Parse(fmt.Sprintf(activeDirectoryEndpointTemplate, tenantID, "token", api))
if err != nil {
return nil, err
}
deviceCodeURL, err := u.Parse(fmt.Sprintf(activeDirectoryEndpointTemplate, tenantID, "devicecode", api))
if err != nil {
return nil, err
}
return &OAuthConfig{
AuthorityEndpoint: *authorityURL,
AuthorizeEndpoint: *authorizeURL,
TokenEndpoint: *tokenURL,
DeviceCodeEndpoint: *deviceCodeURL,
}, nil
}