New package: minichecker

pkg/minichecker/cmd/encode.go

@@ -0,0 +1,83 @@
+package main
+
+import (
+	"bytes"
+	"crypto/ed25519"
+	"encoding/base64"
+	"encoding/json"
+	"io/ioutil"
+	"net/http"
+	"time"
+)
+
+var (
+	Login   string
+	KeySign string
+	target  string
+)
+
+func getCollectorPublicKey() (key []byte, err error) {
+	var resp *http.Response
+	resp, err = http.Get(target + "/api/collector_info")
+	if err != nil {
+		return
+	}
+
+	defer resp.Body.Close()
+
+	rd := base64.NewDecoder(base64.StdEncoding, json.NewDecoder(resp.Body).Buffered())
+	return ioutil.ReadAll(rd)
+}
+
+type SendMeta struct {
+	Time  time.Time `json:"time"`
+	Login string    `json:"login"`
+	Test  string    `json:"test,omitempty"`
+}
+
+type SendContent struct {
+	Meta    []byte `json:"meta"`
+	Data    []byte `json:"data"`
+	Sign    []byte `json:"sign"`
+	Key     []byte `json:"key"`
+	KeySign string `json:"keysign"`
+}
+
+func encodeData(meta SendMeta, v interface{}) (data SendContent, err error) {
+	if meta.Time.IsZero() {
+		meta.Time = time.Now()
+	}
+	var b []byte
+	b, err = json.Marshal(meta)
+	if err != nil {
+		return
+	}
+	data.Meta = []byte(base64.StdEncoding.EncodeToString(b))
+
+	b, err = json.Marshal(v)
+	if err != nil {
+		return
+	}
+	data.Data = []byte(base64.StdEncoding.EncodeToString(b))
+
+	data.Sign = ed25519.Sign(myprivkey, append(data.Meta, data.Data...))
+	data.Key = myprivkey.Public().(ed25519.PublicKey)
+	data.KeySign = KeySign
+
+	return
+}
+
+func sendData(data SendContent) (err error) {
+	b := new(bytes.Buffer)
+	json.NewEncoder(b).Encode(data)
+
+	var resp *http.Response
+	resp, err = http.Post(target+"/remote", "application/json", b)
+	if err != nil {
+		return
+	}
+
+	resp.Body.Close()
+
+	return
+}