configuration.go

 
/*
Copyright © 2024 Red Hat, Inc.

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
 
auth



import
 
(

	
"fmt"

	
"net/url"

	
"strings"


	
"github.com/rs/zerolog/log"


)

RBACConfig holds the configuration for RBAC settings.

 
type
 
RBACConfig
 
struct
 
{

	
URL
         
string
 
`mapstructure:"url" toml:"url"`

	
EnforceAuth
 
bool
   
`mapstructure:"enforce" toml:"enforce"`


}

constructRBACURL constructs the RBAC URL with the query parameters for checking access to Advisor OCP resources. It takes an RBACConfig and returns the constructed base URL, host, and any error encountered.

 
func
 
constructRBACURL
(
config
 
*
RBACConfig
)
 
(
string
,
 
string
,
 
error
)
 
{

	
if
 
!
strings
.
HasPrefix
(
config
.
URL
,
 
"http://"
)
 
&&
 
!
strings
.
HasPrefix
(
config
.
URL
,
 
"https://"
)
 
{

		
config
.
URL
 
=
 
"https://"
 
+
 
config
.
URL
 
// Default to HTTPS if no scheme is provided

	
}

Parse the URL to handle both the Host and the Endpoint correctly

 
	
baseURL
,
 
err
 
:=
 
url
.
Parse
(
config
.
URL
)

	
if
 
err
 
!=
 
nil
 
{

		
return
 
""
,
 
""
,
 
fmt
.
Errorf
(
"invalid host format: %v"
,
 
err
)

	
}

Add the /access/ endpoint and ocp-advisor parameter

 
	
baseURL
.
Path
 
+=
 
"/access/"


	
params
 
:=
 
url
.
Values
{
}

	
params
.
Add
(
"application"
,
 
"ocp-advisor"
)

	
params
.
Add
(
"limit"
,
 
"100"
)
 
// We don't know what customers might have configured, so let's limit responses' size


	
uri
 
:=
 
fmt
.
Sprintf
(
"%s?%s"
,
 
baseURL
,
 
params
.
Encode
(
)
)

	
log
.
Info
(
)
.
Str
(
"RBAC URL:"
,
 
uri
)
.
Send
(
)


	
return
 
uri
,
 
baseURL
.
Host
,
 
nil


}