forked from okta/okta-jwt-verifier-golang
/
parseEnv.go
67 lines (57 loc) · 1.81 KB
/
parseEnv.go
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/*******************************************************************************
* Copyright 2018 Okta, 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 utils
import (
"os"
"log"
"bufio"
"strings"
)
func ParseEnvironment() {
//useGlobalEnv := true
if _, err := os.Stat(".env"); os.IsNotExist(err) {
log.Printf("Environment Variable file (.env) is not present. Relying on Global Environment Variables")
//useGlobalEnv = false
}
setEnvVariable("CLIENT_ID", os.Getenv("CLIENT_ID"))
setEnvVariable("ISSUER", os.Getenv("ISSUER"))
setEnvVariable("USERNAME", os.Getenv("USERNAME"))
setEnvVariable("PASSWORD", os.Getenv("PASSWORD"))
if os.Getenv("CLIENT_ID") == "" {
log.Printf("Could not resolve a CLIENT_ID environment variable.")
os.Exit(1)
}
if os.Getenv("ISSUER") == "" {
log.Printf("Could not resolve a ISSUER environment variable.")
os.Exit(1)
}
}
func setEnvVariable(env string, current string) {
if current != "" {
return
}
file, _ := os.Open(".env")
defer file.Close()
lookInFile := bufio.NewScanner(file)
lookInFile.Split(bufio.ScanLines)
for lookInFile.Scan() {
parts := strings.Split(lookInFile.Text(), "=")
key, value := parts[0], parts[1]
if key == env {
os.Setenv(key, value)
}
}
}