From 021f82fede64e470c4c5725cc3d539f1a00fa57d Mon Sep 17 00:00:00 2001
From: Matias Alejo Garcia <ematiu@gmail.com>
Date: Thu, 21 Jan 2016 15:14:18 -0300
Subject: [PATCH] fix touchId

---
 src/js/services/txSignService.js | 184 +++++++++++++++++++++++++++++++
 1 file changed, 184 insertions(+)
 create mode 100644 src/js/services/txSignService.js

diff --git a/src/js/services/txSignService.js b/src/js/services/txSignService.js
new file mode 100644
index 000000000..fb71cf289
--- /dev/null
+++ b/src/js/services/txSignService.js
@@ -0,0 +1,184 @@
+'use strict';
+
+angular.module('copayApp.services').factory('txSignService', function($rootScope, profileService, gettextCatalog, lodash, trezor, ledger, configService, bwsError, $log) {
+  var root = {};
+  var config = configService.getSync();
+
+  var reportSigningStatus = function(opts) {
+    if (!opts.reporterFn) return;
+
+    var fc = profileService.focusedClient;
+
+    if (fc.isPrivKeyExternal()) {
+      if (fc.getPrivKeyExternalSourceName() == 'ledger') {
+        opts.reporterFn(gettextCatalog.getString('Requesting Ledger Wallet to sign'));
+      } else if (fc.getPrivKeyExternalSourceName() == 'trezor') {
+        opts.reporterFn(gettextCatalog.getString('Requesting Trezor Wallet to sign'));
+      }
+    } else {
+      opts.reporterFn(gettextCatalog.getString('Signing payment'));
+    }
+  };
+
+  var reportBroadcastingStatus = function(opts) {
+    if (!opts.reporterFn) return;
+
+    opts.reporterFn(gettextCatalog.getString('Broadcasting transaction'));
+  };
+
+  var stopReport = function(opts) {
+    if (!opts.reporterFn) return;
+
+    opts.reporterFn();
+  };
+
+  var requestTouchId = function(cb) {
+    try {
+      window.plugins.touchid.verifyFingerprint(
+        gettextCatalog.getString('Scan your fingerprint please'),
+        function(msg) {
+          $log.debug('Touch ID OK');
+          return cb();
+        },
+        function(msg) {
+          $log.debug('Touch ID Failed:' + msg);
+          return cb(gettext('Touch ID Failed:') + msg);
+        }
+      );
+    } catch (e) {
+      $log.debug('Touch ID Failed:' + e);
+      return cb(gettext('Touch ID Failed:') + e);
+    };
+  };
+
+  root.checkTouchId = function(cb) {
+    var fc = profileService.focusedClient;
+    config.touchIdFor = config.touchIdFor || {};
+    if (window.touchidAvailable && config.touchIdFor[fc.credentials.walletId]) {
+      requestTouchId(cb);
+    } else {
+      return cb();
+    }
+  };
+
+  root.prepare = function(cb) {
+    var fc = profileService.focusedClient;
+    if (!fc.canSign() && !fc.isPrivKeyExternal())
+      return cb('Cannot sign'); // should never happen, no need to translate
+
+    root.checkTouchId(function(err) {
+      if (err) {
+        return cb(err);
+      };
+
+      profileService.unlockFC(function(err) {
+        if (err) {
+          return cb(bwsError.msg(err));
+        };
+
+        return cb();
+      });
+    });
+  };
+
+  var _signWithLedger = function(txp, cb) {
+    var fc = root.focusedClient;
+    $log.info('Requesting Ledger Chrome app to sign the transaction');
+
+    ledger.signTx(txp, fc.credentials.account, function(result) {
+      $log.debug('Ledger response', result);
+      if (!result.success)
+        return cb(result.message || result.error);
+
+      txp.signatures = lodash.map(result.signatures, function(s) {
+        return s.substring(0, s.length - 2);
+      });
+      return fc.signTxProposal(txp, cb);
+    });
+  };
+
+  var _signWithTrezor = function(txp, cb) {
+    var fc = root.focusedClient;
+    $log.info('Requesting Trezor  to sign the transaction');
+
+    var xPubKeys = lodash.pluck(fc.credentials.publicKeyRing, 'xPubKey');
+    trezor.signTx(xPubKeys, txp, fc.credentials.account, function(err, result) {
+      if (err) return cb(err);
+
+      $log.debug('Trezor response', result);
+      txp.signatures = result.signatures;
+      return fc.signTxProposal(txp, cb);
+    });
+  };
+
+  root.sign = function(txp, cb) {
+    var fc = profileService.focusedClient;
+
+    if (fc.isPrivKeyExternal()) {
+      switch (fc.getPrivKeyExternalSourceName()) {
+        case 'ledger':
+          return _signWithLedger(txp, cb);
+        case 'trezor':
+          return _signWithTrezor(txp, cb);
+        default:
+          var msg = 'Unsupported External Key:' + fc.getPrivKeyExternalSourceName();
+          $log.error(msg);
+          return cb(msg);
+      }
+    } else {
+      fc.signTxProposal(txp, function(err, signedTxp) {
+        profileService.lockFC();
+        return cb(err, signedTxp);
+      });
+    }
+  };
+
+  root.signAndBroadcast = function(txp, opts, cb) {
+    reportSigningStatus(opts);
+
+    var fc = profileService.focusedClient;
+    root.sign(txp, function(err, txp) {
+      if (err) {
+        stopReport(opts);
+        return cb(bwsError.msg(err), gettextCatalog.getString('Could not accept payment'));
+      };
+
+      if (txp.status != 'accepted')
+        return (null, txp);
+
+      reportBroadcastingStatus(opts);
+      fc.broadcastTxProposal(txp, function(err, txp, memo) {
+        stopReport(opts);
+
+        if (err) {
+          return cb(bwsError.msg(err, gettextCatalog.getString('Could not broadcast payment')));
+        };
+
+        $log.debug('Transaction signed and broadcasted')
+
+        if (memo)
+          $log.info(memo);
+
+        return cb(null, txp);
+      });
+    });
+  };
+
+  root.prepareAndSignAndBroadcast = function(txp, opts, cb) {
+    reportSigningStatus(opts);
+    root.prepare(function(err) {
+      if (err) {
+        stopReport(opts);
+        return cb(err);
+      };
+      root.signAndBroadcast(txp, opts, function(err, txp) {
+        if (err) {
+          stopReport(opts);
+          return cb(err);
+        };
+        return cb(null, txp);
+      });
+    });
+  };
+  return root;
+});