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package main
import (
"encoding/json"
"flag"
"fmt"
"github.com/go-ini/ini"
"io/ioutil"
"net/http"
"net/url"
"os"
"strconv"
"strings"
)
type jwt struct {
Scope string
Access_token string
}
type projects struct {
Projects []project
}
type project struct {
Project string
}
type config struct {
idp string
id string
secret string
}
func main() {
var config string
flag.StringVar(&config, "config", "", "what config file to read?")
flag.Parse()
if config == "" {
fmt.Fprintf(os.Stderr, "MUST give config file\n")
os.Exit(1)
}
cfg, err := get_creds(config)
if err != nil {
os.Exit(1)
}
token, err := get_access_token(cfg)
if err != nil {
os.Exit(1)
}
// fmt.Fprintf(os.Stdout, "%s\n", token)
projects, err := get_projects(cfg, token)
if err != nil {
os.Exit(1)
}
if projects == nil {
os.Exit(1)
}
for _, p := range projects.Projects {
fmt.Printf("project: %v\n", p.Project)
}
}
func NewConfig(idp string, id string, secret string) *config {
new := config{idp: idp, id: id, secret: secret}
return &new
}
func get_creds(filename string) (*config, error) {
cfg, err := ini.Load(filename)
if err != nil {
fmt.Fprintf(os.Stderr, "reading config %s: %v\n", filename, err)
return nil, err
}
idp := cfg.Section("").Key("idp").String()
id := cfg.Section("").Key("id").String()
secret := cfg.Section("").Key("secret").String()
return NewConfig(idp, id, secret), nil
}
func get_access_token(cfg *config) (string, error) {
data := url.Values{}
data.Add("grant_type", "client_credentials")
data.Add("scope", "uapi_projects_get")
url := fmt.Sprintf("%s/token", cfg.idp)
client := &http.Client{}
req, err := http.NewRequest("POST", url, strings.NewReader(data.Encode()))
req.SetBasicAuth(cfg.id, cfg.secret)
req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
req.Header.Add("Content-Length", strconv.Itoa(len(data.Encode())))
resp, err := client.Do(req)
if err != nil {
fmt.Fprintf(os.Stderr, "POST %s: %v\n", cfg.idp, err)
return "", err
}
bodyText, err := ioutil.ReadAll(resp.Body)
if err != nil {
fmt.Fprintf(os.Stderr, "reading HTTP response: %v\n", err)
return "", err
}
s := string(bodyText)
res := jwt{}
json.Unmarshal([]byte(s), &res)
return res.Access_token, nil
}
func get_projects(cfg *config, token string) (*projects, error) {
url := fmt.Sprintf("%s/projects", cfg.idp)
client := &http.Client{}
req, err := http.NewRequest("GET", url, nil)
req.Header.Add("Authorization", fmt.Sprintf("bearer %s", token))
resp, err := client.Do(req)
if err != nil {
fmt.Fprintf(os.Stderr, "GET %s: %v\n", url, err)
return nil, err
}
bodyText, err := ioutil.ReadAll(resp.Body)
if err != nil {
fmt.Fprintf(os.Stderr, "reading HTTP response: %v\n", err)
return nil, err
}
// s := string(bodyText)
// fmt.Printf("%v", s)
res := projects{}
json.Unmarshal(bodyText, &res)
return &res, nil
}
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