add a new api endpoint returning pairing info for the block explorer

accounts/support-rest-api.js

@@ -4,6 +4,7 @@
  */
 'use strict'
 
+const fs = require('fs')
 const validator = require('validator')
 const bodyParser = require('body-parser')
 const errors = require('../lib/errors')
@@ -68,6 +69,13 @@ class SupportRestApi {
       HttpServer.sendAuthError
     )
 
+    this.httpServer.app.get(
+      `/${keys.prefixes.support}/pairing/explorer`,
+      authMgr.checkHasAdminProfile.bind(authMgr),
+      this.getPairingExplorer.bind(this),
+      HttpServer.sendAuthError
+    )
+
     this.httpServer.app.get(
       `/${keys.prefixes.support}/pairing`,
       authMgr.checkHasAdminProfile.bind(authMgr),
@@ -299,6 +307,39 @@ class SupportRestApi {
     }
   }
 
+  /**
+   * Get pairing info for the local block explorer
+   */
+  async getPairingExplorer(req, res) {
+    try {
+      let url = ''
+      if (process.env.EXPLORER_INSTALL == 'on') {
+        try {
+          url = fs.readFileSync('/var/lib/tor/hsv3explorer/hostname', 'utf8')
+          url = url.replace('\n', '')
+        } catch(e) {
+          Logger.error(e, 'SupportRestApi.getPairing() : Cannot read explorer onion address')
+        }
+      }
+      const ret = {
+        'pairing': {
+          'type': 'explorer.btcRpcExplorer',
+          'url': url,
+          'key': process.env.EXPLORER_KEY
+        }
+      }
+      HttpServer.sendRawData(res, JSON.stringify(ret, null, 2))
+    } catch(e) {
+      const ret = {
+        status: 'error'
+      }
+      Logger.error(e, 'SupportRestApi.getPairingExplorer() : Support pairing error')
+      HttpServer.sendError(res, JSON.stringify(ret, null, 2))
+    } finally {
+      debugApi && Logger.info(`Completed GET /pairing/explorer`)
+    }
+  }
+
   /**
    * Validate arguments related to GET xpub info requests
    * @param {object} req - http request object

docker/my-dojo/docker-compose.yaml

@@ -30,6 +30,7 @@ services:
       - ./conf/docker-common.conf
       - ./conf/docker-mysql.conf
       - ./conf/docker-bitcoind.conf
+      - ./conf/docker-explorer.conf
       - ./conf/docker-node.conf
     restart: on-failure
     command: "/home/node/app/wait-for-it.sh db:3306 --timeout=720 --strict -- /home/node/app/restart.sh"
@@ -39,6 +40,7 @@ services:
       - "8082"
     volumes:
       - data-nodejs:/data
+      - data-tor:/var/lib/tor
     depends_on:
       - db
     networks:

docker/my-dojo/node/Dockerfile

@@ -4,6 +4,10 @@ ENV     LOGS_DIR    /data/logs
 ENV     APP_DIR     /home/node/app
 
 
+# Add node user to tor group
+RUN     addgroup --system -gid 1107 tor && \
+        usermod -a -G tor node
+
 # Install forever
 RUN     npm install -g forever
 

docker/my-dojo/tor/restart.sh

@@ -29,6 +29,7 @@ if [ "$EXPLORER_INSTALL" == "on" ]; then
   tor_options+=(--HiddenServiceDir /var/lib/tor/hsv3explorer)
   tor_options+=(--HiddenServiceVersion 3)
   tor_options+=(--HiddenServicePort "80 172.29.1.3:9080")
+  tor_options+=(--HiddenServiceDirGroupReadable 1)
 fi
 
 if [ "$TOR_USE_BRIDGES" == "on" ]; then