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-rw-r--r--pkg/bitmaskd/main.go163
1 files changed, 163 insertions, 0 deletions
diff --git a/pkg/bitmaskd/main.go b/pkg/bitmaskd/main.go
new file mode 100644
index 0000000..f2ca650
--- /dev/null
+++ b/pkg/bitmaskd/main.go
@@ -0,0 +1,163 @@
+// Copyright (C) 2018 LEAP
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+package bitmaskd
+
+import (
+ "bytes"
+ "encoding/json"
+ "errors"
+ "io/ioutil"
+ "log"
+ "net/http"
+ "path"
+ "time"
+
+ "0xacab.org/leap/bitmask-systray/pkg/config"
+)
+
+const (
+ timeout = time.Second * 15
+ url = "http://localhost:7070/API/"
+ headerAuth = "X-Bitmask-Auth"
+)
+
+// Bitmask holds the bitmask client data
+type Bitmask struct {
+ client *http.Client
+ apiToken string
+ statusCh chan string
+}
+
+// Init the connection to bitmask
+func Init() (*Bitmask, error) {
+ statusCh := make(chan string)
+ client := &http.Client{
+ Timeout: timeout,
+ }
+
+ err := waitForBitmaskd()
+ if err != nil {
+ return nil, err
+ }
+
+ apiToken, err := getToken()
+ if err != nil {
+ return nil, err
+ }
+
+ b := Bitmask{client, apiToken, statusCh}
+ go b.eventsHandler()
+ return &b, nil
+}
+
+// GetStatusCh returns a channel that will recieve VPN status changes
+func (b *Bitmask) GetStatusCh() <-chan string {
+ return b.statusCh
+}
+
+// Close the connection to bitmask
+func (b *Bitmask) Close() {
+ _, err := b.send("core", "stop")
+ if err != nil {
+ log.Printf("Got an error stopping bitmaskd: %v", err)
+ }
+}
+
+// Version gets the bitmask version string
+func (b *Bitmask) Version() (string, error) {
+ res, err := b.send("core", "version")
+ if err != nil {
+ return "", err
+ }
+ return res["version_core"].(string), nil
+}
+
+func waitForBitmaskd() error {
+ var err error
+ for i := 0; i < 30; i++ {
+ resp, err := http.Post(url, "", nil)
+ if err == nil {
+ resp.Body.Close()
+ return nil
+ }
+ log.Printf("Bitmask is not ready (iteration %d): %v", i, err)
+ time.Sleep(1 * time.Second)
+ }
+ return err
+}
+
+func (b *Bitmask) send(parts ...interface{}) (map[string]interface{}, error) {
+ resJSON, err := send(b.apiToken, b.client, parts...)
+ if err != nil {
+ return nil, err
+ }
+ result, ok := resJSON.(map[string]interface{})
+ if !ok {
+ return nil, errors.New("Not valid response")
+ }
+ return result, nil
+}
+
+func send(apiToken string, client *http.Client, parts ...interface{}) (interface{}, error) {
+ apiSection, _ := parts[0].(string)
+ reqBody, err := json.Marshal(parts[1:])
+ if err != nil {
+ return nil, err
+ }
+ req, err := http.NewRequest("POST", url+apiSection, bytes.NewReader(reqBody))
+ if err != nil {
+ return nil, err
+ }
+ req.Header.Add(headerAuth, apiToken)
+
+ resp, err := client.Do(req)
+ if err != nil {
+ return nil, err
+ }
+ defer resp.Body.Close()
+
+ resJSON, err := ioutil.ReadAll(resp.Body)
+ if err != nil {
+ return nil, err
+ }
+ return parseResponse(resJSON)
+}
+
+func parseResponse(resJSON []byte) (interface{}, error) {
+ var response struct {
+ Result interface{}
+ Error string
+ }
+ err := json.Unmarshal(resJSON, &response)
+ if response.Error != "" {
+ return nil, errors.New(response.Error)
+ }
+ return response.Result, err
+}
+
+func getToken() (string, error) {
+ var err error
+ path := path.Join(config.Path, "authtoken")
+ for i := 0; i < 30; i++ {
+ b, err := ioutil.ReadFile(path)
+ if err == nil {
+ return string(b), nil
+ }
+ log.Printf("Auth token is not ready (iteration %d): %v", i, err)
+ time.Sleep(1 * time.Second)
+ }
+ return "", err
+}