/
config.go
145 lines (127 loc) · 3.42 KB
/
config.go
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package handlers
import (
"encoding/json"
"html/template"
"io"
"io/ioutil"
"net/http"
"path/filepath"
"sort"
"strings"
"github.com/gin-gonic/gin"
"github.com/go-logr/logr"
"github.com/syndtr/goleveldb/leveldb"
"github.com/syndtr/goleveldb/leveldb/errors"
"github.com/lackerman/serverbutler/constants"
"github.com/lackerman/serverbutler/utils"
"github.com/lackerman/serverbutler/viewmodels"
)
type configController struct {
db *leveldb.DB
logger logr.Logger
template *template.Template
}
func NewConfigHandler(t *template.Template, db *leveldb.DB, logger logr.Logger) *configController {
return &configController{
template: t,
db: db,
logger: logger,
}
}
func (c *configController) get(ctx *gin.Context) {
slack, err := c.slack()
if err != nil {
ctx.AbortWithError(http.StatusInternalServerError, err)
return
}
openvpn, err := c.openvpn()
if err != nil {
ctx.AbortWithError(http.StatusInternalServerError, err)
return
}
c.template.Execute(ctx.Writer, viewmodels.Config{
Site: viewmodels.Site{Page: "Config"},
OpenVPN: *openvpn,
Slack: *slack,
})
}
func (c *configController) openvpn() (*viewmodels.OpenVPN, error) {
c.logger.V(4).Info("openvpn - retrieving configs")
var configs []string
selected, username, password, dir := "", "", "", ""
b, err := c.db.Get([]byte(constants.OpenvpnSelected), nil)
if err != nil {
// Ignoring missing config at this point in time
if err != errors.ErrNotFound {
return nil, errors.New("Failed to retrieve openvpn config. Reason: " + err.Error())
}
} else {
selected = string(b)
}
b, err = c.db.Get([]byte(constants.OpenvpnDir), nil)
if err != nil {
// Ignoring missing config at this point in time (during 1st initialisation)
if err != errors.ErrNotFound {
return nil, errors.New("Failed to retrieve openvpn config. Reason: " + err.Error())
}
} else {
dir = string(b)
}
c.logger.V(4).Info("Openvpn Dir: %+v", dir)
if b != nil {
configs, err = retrieveConfigs(dir)
if err != nil {
c.logger.V(4).Info("%+v", err)
return nil, err
}
for _, cfg := range configs {
c.logger.V(4).Info("%v\n", cfg)
}
username, password = retrieveCredentials(dir)
}
return &viewmodels.OpenVPN{
ConfigDir: dir,
Configs: configs,
Selected: selected,
Username: username,
Password: password,
}, nil
}
func retrieveConfigs(dir string) ([]string, error) {
paths, err := utils.GetFileList(dir)
if err != nil {
return nil, errors.New("Failed to execute the template. Reason: " + err.Error())
}
sort.Strings(paths)
return paths, nil
}
func retrieveCredentials(dir string) (string, string) {
contents, err := ioutil.ReadFile(filepath.Join(dir, constants.OpenvpnCredentialFile))
if err != nil {
return "", ""
}
creds := strings.Split(string(contents), "\n")
return creds[0], utils.Hash(creds[1])
}
func (c *configController) slack() (*viewmodels.Slack, error) {
c.logger.V(4).Info("slack - getting config")
url := ""
b, err := c.db.Get([]byte(constants.SlackURLKey), nil)
if err != nil {
if err != errors.ErrNotFound {
return nil, errors.New("Failed to retrieve slack url. Reason: " + err.Error())
}
} else {
url = string(b)
}
return &viewmodels.Slack{URL: url}, nil
}
func getJsonPayload(body io.ReadCloser) (map[string]string, error) {
request := map[string]string{}
jsonData, err := ioutil.ReadAll(body)
if err != nil {
return request, err
}
err = json.Unmarshal(jsonData, &request)
return request, err
}