OpenCAP sending feature added

src/js/controllers/tab-send.controller.js

@@ -1,6 +1,6 @@
 'use strict';
 
-angular.module('copayApp.controllers').controller('tabSendController', function(bitcoinUriService, externalLinkService, $scope, $log, $timeout, $ionicScrollDelegate, addressbookService, profileService, lodash, $state, walletService, platformInfo, sendFlowService, gettextCatalog, configService, $ionicPopup, $ionicNavBarDelegate, clipboardService, incomingDataService) {
+angular.module('copayApp.controllers').controller('tabSendController', function(bitcoinUriService, externalLinkService, $scope, $log, $timeout, $ionicScrollDelegate, addressbookService, profileService, lodash, $state, walletService, platformInfo, sendFlowService, gettextCatalog, configService, $ionicPopup, $ionicNavBarDelegate, clipboardService, incomingDataService, ionicToast, opencapService) {
   var clipboardHasAddress = false;
   var clipboardHasContent = false;
   var originalList;
@@ -61,6 +61,49 @@ angular.module('copayApp.controllers').controller('tabSendController', function(
     });
   });
 
+  $scope.closePopover = function() {
+    $scope.popover.hide();
+  };
+
+  $scope.$on('$destroy', function() {
+    $scope.popover.remove();
+  });
+
+  $scope.confirmOpenapAddress = function(address, coin){
+    $scope.popover.remove();
+    var params = sendFlowService.state.getClone();
+    params.data = address;
+    params.coin = coin;
+    sendFlowService.start(params, function onError() {
+      return
+    });
+  }
+
+  $scope.resolveOpencapAlias = function(alias){
+    opencapService.getAddress(alias)
+    .then(function(result) {
+      if (typeof $scope.fromWallet !== 'undefined'){
+        if ($scope.fromWallet.coin === 'bch'){
+          result.addresses = {bch: result.addresses.bch};
+        }
+        if ($scope.fromWallet.coin === 'btc'){
+          result.addresses = {btc: result.addresses.btc};
+        }
+      }
+
+      $scope.opencapAddresses = result.addresses;
+      $scope.opencapDnssec = result.dnssec;
+      $ionicPopover.fromTemplateUrl('templates/popoverOpencapSend.html', {scope: $scope})
+      .then(function onThen(popover) {
+          $scope.popover = popover;
+          popover.show(angular.element(document.querySelector('#search-input')))
+      });
+    })
+    .catch(function(status) {
+      // do nothing because they may have been typing
+    });
+  }
+
   $scope.findContact = function(search) {
     if (!search || search.length < 1) {
       $scope.list = originalList;
@@ -70,6 +113,8 @@ angular.module('copayApp.controllers').controller('tabSendController', function(
       return;
     }
 
+    $scope.resolveOpencapAlias(search);
+
     var params = sendFlowService.state.getClone();
     params.data = search;
     sendFlowService.start(params, function onError() {

src/js/services/opencap.service.js

@@ -0,0 +1,132 @@
+'use strict';
+
+(function() {
+  angular.module('bitcoincom.services').factory('opencapService', function($q, $http) {
+    function getAddress(alias) {
+      let aliasData = validateAlias(alias);
+      if (aliasData.username === '' || aliasData.domain === '') {
+        return $q(function onQ(resolve, reject) {
+          return reject('Invalid OpenCAP alias');
+        });
+      }
+
+      let deferred = $q.defer();
+      $http
+        .get(`https://dns.google.com/resolve?name=_opencap._tcp.${aliasData.domain}&type=SRV`)
+        .then(function onThen(response) {
+          deferred.resolve(
+            parseSRV(response.data)
+              .then(function onThen(data){ 
+                return getAddresses(alias, data.host, data.dnssec) 
+              })
+              .catch(function onCatch(error) {
+                return $q(function onQ(resolve, reject) {
+                  return reject(error);
+                });
+              })
+          );
+        })
+        .catch(function onCatch(response) {
+          deferred.reject('Couldn\'t find srv record for the provided domain');
+        });
+      return deferred.promise;
+    }
+
+    function parseSRV(respData) {
+      return $q(function onQ(resolve, reject) {
+        let dnssec = respData.AD;
+
+        if (typeof respData.Answer === 'undefined') {
+          return reject('Error contacting google dns server, no srv data');
+        }
+        if (respData.Answer.length < 1) {
+          return reject('Error contacting google dns server, not enough srv data');
+        }
+
+        let record = respData.Answer[0].data.split(' ');
+        if (record.length != 4) {
+          return reject('Error contacting google dns server, improper srv data');
+        }
+
+        if (record[3].slice(-1) == '.') {
+          record[3] = record[3].substring(0, record[3].length - 1);
+        }
+
+        return resolve({ host: record[3], dnssec });
+      });
+    };
+
+    function getAddresses(alias, host, dnssec) {
+      let deferred = $q.defer();
+      $http
+        .get(`https://${host}/v1/addresses?alias=${alias}`)
+        .then(function onThen(response) {
+          deferred.resolve(parseAddresses(response.data, dnssec).then());
+        })
+        .catch(function onCatch(response) {
+          deferred.reject('Address not found for the specified alias');
+        });
+      return deferred.promise;
+    };
+
+    function parseAddresses(respData, dnssec) {
+      let addresses = {}
+      return $q(function onQ(resolve, reject) {
+        for (let i = 0; i < respData.length; i++) {
+          if (respData[i].address_type === 'undefined') {
+            continue;
+          }
+          if (respData[i].address === 'undefined') {
+            continue;
+          }
+          // Take the last BCH address we hit, shouldn't matter which one
+          if (respData[i].address_type == 200 || respData[i].address_type == 201 || respData[i].address_type == 202) {
+            addresses.bch = respData[i].address;
+          }
+          // Take the last BTC address we hit, shouldn't matter which one
+          if (respData[i].address_type == 100 || respData[i].address_type == 101) {
+            addresses.btc = respData[i].address;
+          }
+        }
+
+        if (addresses.btc === 'undefined' && addresses.btc === 'undefined'){
+          return reject('Error contacting opencap server, no response');
+        }
+
+        return resolve({addresses, dnssec});
+      });
+    };
+
+    function validateUsername(username) {
+      return /^[a-z0-9._-]{1,25}$/.test(username);
+    }
+
+    function validateDomain(username) {
+      return /^[a-z0-9.\-]+\.[a-z]{2,4}$/.test(username);
+    }
+
+    function validateAlias(alias) {
+      let splitAlias = alias.split('$');
+      if (splitAlias.length != 2) {
+        return { username: '', domain: '' };
+      }
+      let username = splitAlias[0];
+      let domain = splitAlias[1];
+
+      if (!validateUsername(username)) {
+        return { username: '', domain: '' };
+      }
+      if (!validateDomain(domain)) {
+        return { username: '', domain: '' };
+      }
+
+      return { username, domain };
+    }
+
+    var service = {
+      getAddress,
+    };
+
+    return service;
+  });
+})();

www/templates/popoverOpencapSend.html

@@ -0,0 +1,21 @@
+<ion-popover-view style="height: 0px">
+    <div class="card" style="text-align: center">
+        <div class="item item-heading">
+            <span translate>Alias found!</span>
+        </div>
+          <div class="list">
+                <div class="item" ng-if="opencapAddresses.bch">
+                    <span>{{opencapAddresses.bch}}</span>
+                    <button ng-click="confirmOpenapAddress(opencapAddresses.bch, 'bch')" class="button button-standard button-primary button-outline"  translate>Send BCH</button>
+                </div>
+                <div class="item" ng-if="opencapAddresses.btc">
+                    <span>{{opencapAddresses.btc}}</span>
+                    <button ng-click="confirmOpenapAddress(opencapAddresses.btc, 'btc')" class="button button-standard button-primary button-outline"  translate>Send BTC</button>
+                </div>
+                <span class="item" ng-if="!opencapDnssec" style="color: red; " translate>
+                    DNSSEC not used
+                </span>
+          </div>
+       </div>
+    </div>
+</ion-popover-view>

www/views/tab-send.html

@@ -33,9 +33,9 @@ <h2>{{fromWallet.name}}</h2>
       <div class="send-wrapper item">
         <div class="row">
           <div class="input" ng-class="{'focus': searchFocus}">
-            <input type="text" class="search-input" placeholder="{{'Search or enter bitcoin address' | translate}}"
+            <input type="text" class="search-input" placeholder="{{'Search or enter bitcoin address or alias' | translate}}"
                    ng-model="formData.search" ng-change="findContact(formData.search)" ng-model-onblur
-                   ng-focus="searchInFocus()" ng-blur="searchBlurred()">
+                   ng-focus="searchInFocus()" ng-blur="searchBlurred()" id="search-input">
           </div>
         </div>
         <div class="buttons">