1 files changed, 106 insertions, 0 deletions
diff --git a/sms-service/src/smsquorum/quorumclient.go b/sms-service/src/smsquorum/quorumclient.go
new file mode 100644
index 0000000..3f3c70b
--- /dev/null
+++ b/sms-service/src/smsquorum/quorumclient.go
@@ -0,0 +1,106 @@
+/*
+* Copyright 2018 TechMahindra
+*
+* 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 main
+
+import (
+	"crypto/tls"
+	"crypto/x509"
+	"encoding/base64"
+	"encoding/json"
+	"io/ioutil"
+	"log"
+	"net/http"
+	"os"
+	"strings"
+	"time"
+)
+
+//This application checks the backend status and
+//calls necessary initialization endpoints on the
+//SMS webservice
+func main() {
+	//Struct to read json configuration file
+	type config struct {
+		BackEndURL string `json:"url"`
+		CAFile     string `json:"cafile"`
+		ClientCert string `json:"clientcert"`
+		ClientKey  string `json:"clientkey"`
+		B64Key     string `json:"key"`
+		TimeOut    string `json:"timeout"`
+	}
+	//Load the config File for reading
+	vcf, err := os.Open("config.json")
+	if err != nil {
+		log.Fatalf("Error reading config file %v", err)
+	}
+
+	cfg := config{}
+	decoder := json.NewDecoder(vcf)
+	err = decoder.Decode(&cfg)
+	if err != nil {
+		log.Fatalf("Error while parsing config file %v", err)
+	}
+
+	duration, _ := time.ParseDuration(cfg.TimeOut)
+	ticker := time.NewTicker(duration)
+
+	for _ = range ticker.C {
+
+		caCert, err := ioutil.ReadFile(cfg.CAFile)
+		if err != nil {
+			log.Fatalf("Error while reading CA file %v ", err)
+		}
+		caCertPool := x509.NewCertPool()
+		caCertPool.AppendCertsFromPEM(caCert)
+		cert, err := tls.LoadX509KeyPair(cfg.ClientCert, cfg.ClientKey)
+		if err != nil {
+			log.Fatalf("Error while loading key pair %v ", err)
+		}
+
+		client := &http.Client{
+			Transport: &http.Transport{
+				TLSClientConfig: &tls.Config{
+					RootCAs:      caCertPool,
+					Certificates: []tls.Certificate{cert},
+				},
+			},
+		}
+		//URL and Port is configured in config file
+		response, err := client.Get(cfg.BackEndURL + "v1/sms/status")
+		if err != nil {
+			log.Fatalf("Error while connecting to SMS webservice %v", err)
+		}
+
+		responseData, err := ioutil.ReadAll(response.Body)
+		if err != nil {
+			log.Fatalf("Error while reading response %v", err)
+		}
+		var data map[string]interface{}
+		json.Unmarshal(responseData, &data)
+		sealed := data["sealed"].(bool)
+		// Unseal the vault if sealed
+		if sealed {
+			decdB64Key, _ := base64.StdEncoding.DecodeString(cfg.B64Key)
+			body := strings.NewReader(`{"key":"` + string(decdB64Key) + `"}`)
+			//URL and PORT is configured via config file
+			response, err = client.Post(cfg.BackEndURL+"v1/sms/unseal", "application/json", body)
+			if err != nil {
+				log.Fatalf("Error while unsealing %v", err)
+			}
+		}
+	}
+}