From 415570a720a7a74b2d25699a55d03403e6d6231a Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Mon, 7 Dec 2015 23:39:25 +0100
Subject: Towards reserve creation.

---
 extension/background/emscriptif.js | 102 ++++++++-----------------------------
 extension/background/wallet.js     |  35 +++++++++++++
 2 files changed, 55 insertions(+), 82 deletions(-)

(limited to 'extension/background')

diff --git a/extension/background/emscriptif.js b/extension/background/emscriptif.js
index 62b233eda..ceed32c97 100644
--- a/extension/background/emscriptif.js
+++ b/extension/background/emscriptif.js
@@ -13,87 +13,10 @@
 
   You should have received a copy of the GNU General Public License along with
   TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
-
-
 */
 
+"use strict";
 
-var EXPORTED_SYMBOLS = [
-  'TWRhelloWorld',
-  'TWRgetValue',
-  'TWRgetFraction',
-  'TWRgetCurrency',
-  'TamountCmp',
-  'TWRverifyConfirmation',
-  'TWRverifySignKey',
-  'TWRverifyDenom',
-  'TWRverifyDenoms',
-  'TWRALLrsaPublicKeyHash',
-  'TWRALLgetEncodingFromRsaSignature',
-  'DWRtestStringCmp',
-  'TWRmultiplyAmount',
-  'TWRmultiplyAmounts',
-  'DWRdumpAmount',
-  'TWRALLgetAmount',
-  'DWRtestString',
-  'DWRgetPurpose',
-  'TWReddsaVerify',
-  'TamountAdd',
-  'TamountSubtract',
-  'TWRALLmakeEddsaSignature',
-  'TWRALLamountAdd',
-  'TWRALLeddsaPublicKeyFromPrivate',
-  'TWRALLeddsaPublicKeyFromPrivString',
-  'TWRALLeddsaPrivateKeyFromString',
-  'TWRALLeccEcdh',
-  'TWRALLhash',
-  'TWRALLecdhePublicKeyFromPrivateKey',
-  'TWRALLrsaPublicKeyDecodeFromString',
-  'GCeddsaSign',
-  'TWRALLmakeWithdrawBundle',
-  'GCALLrsaSignatureDecode',
-  'GCrsaSignatureEncode',
-  'TWRALLsignDepositPermission',
-  'GCALLrsaPublicKeyDecode',
-  'GCALLrsaPublicKeyEncode',
-  'WRALLeddsaPublicKey',
-  'GCALLeddsaKeyCreate',
-  'WRALLecdhePublicKey ',
-  'GSALLdataToStringAlloc',
-  'TWRgnunetFree',
-  'GSstringToData',
-  'TWRALLgetCurrentTime',
-  'TWRgetFancyTime',
-  'GChash',
-  'getHashedArray',
-  'TWRALLsignTest',
-  'GCALLecdheKeyCreate',
-  'GCecdheKeyGetPublic',
-  'WRALLecdhePublicKey',
-  'WRverifyTest',
-  'GCeccEcdh',
-  'TWRALLgenSymmetricKey',
-  'TWRALLgenInitVector',
-  'GCsymmetricDecrypt',
-  'GCsymmetricEncrypt',
-  'TWRALLgenKeyFromBlob',
-  'GCALLrsaPrivateKeyGetPublic',
-  'GCALLrsaPrivateKeyCreate',
-  'GCALLrsaBlindingKeyCreate',
-  'GCrsaBlindingKeyFree',
-  'GCrsaPublicKeyFree',
-  'GCrsaPrivateKeyFree',
-  'GCALLrsaBlind',
-  'GCALLrsaUnblind',
-  'GCALLrsaSign',
-  'GCrsaVerify',
-  'GCrsaSignatureFree',
-  'GCeddsaKeyGetPublic',
-  'WRALLmakePurpose',
-  'GChkdf',
-  'emscMalloc',
-  'emscFree'
-];
 
 /* The following definition is needed to make emscripted library to remain
   'alive' after its loading. Otherwise, the normal behaviour would be:
@@ -143,19 +66,15 @@ getLastWindow().Module = {
 
 // shortcut to emscr's 'malloc'
 function emscMalloc(size) {
-
   var ptr = Module._malloc(size);
   return ptr;
-
 }
 
 /* shortcut to emscr's 'free'. This function is problematic:
   it randomly stops working giving 'emscFree is not a function'
   error */
 function emscFree(ptr) {
-
   Module._free(ptr);
-
 }
 
 var getEmsc = Module.cwrap;
@@ -585,3 +504,22 @@ var TWRALLsignTest = getEmsc('TALER_WRALL_sign_test',
 var WRverifyTest = getEmsc('WR_verify_test',
                            'number',
 			  ['number']);
+
+
+let d2s = getEmsc('GNUNET_STRINGS_data_to_string_alloc',
+                  'string',
+                  ['number', 'number']);
+
+
+let sizeof_EddsaPrivateKey = 32;
+let sizeof_EddsaPublicKey = 32;
+
+
+function createEddsaKeyPair() {
+  let privPtr = GCALLeddsaKeyCreate();
+  let pubPtr = emscMalloc(sizeof_EddsaPublicKey);
+  GCeddsaKeyGetPublic(privPtr, pubPtr);
+  let privStr = d2s(privPtr, sizeof_EddsaPrivateKey);
+  let pubStr = d2s(pubPtr, sizeof_EddsaPublicKey);
+  return {priv: privStr, pub: pubStr};
+}
diff --git a/extension/background/wallet.js b/extension/background/wallet.js
index 1e8dd6a7c..2d3687f98 100644
--- a/extension/background/wallet.js
+++ b/extension/background/wallet.js
@@ -17,6 +17,8 @@ DB.open(function () {
   console.log ("DB: ready");
 });
 
+let DONE = 4;
+
 chrome.runtime.onMessage.addListener(
   function (req, sender, onresponse) {
     console.log("Message: " + req.type +
@@ -36,5 +38,38 @@ chrome.runtime.onMessage.addListener(
       case "db-list-reserves":
         DB.reserve_list (onresponse);
         break;
+      case "confirm-reserve":
+        console.log('detail: ' + JSON.stringify(req.detail));
+        let keypair = createEddsaKeyPair();
+        let form = new FormData();
+        form.append(req.detail.field_amount, req.detail.amount_str);
+        form.append(req.detail.field_reserve_pub, keypair.pub);
+        form.append(req.detail.field_mint, req.detail.mint);
+        // XXX: set bank-specified fields.
+        let myRequest = new XMLHttpRequest();
+        console.log("making request to " + req.detail.post_url);
+        myRequest.open('post', req.detail.post_url);
+        myRequest.send(form);
+        myRequest.addEventListener('readystatechange', (e) => {
+          if (myRequest.readyState == DONE) {
+            let resp = {};
+            resp.status = myRequest.status;
+            resp.text = myRequest.responseText;
+            switch (myRequest.status) {
+              case 200:
+                resp.success = true;
+                // We can't show the page directly, so
+                // we show some generic page from the wallet.
+                resp.backlink = chrome.extension.getURL("pages/reserve-success.html");
+                break;
+              default:
+                resp.success = false;
+            }
+            onresponse(resp);
+          }
+        });
+        // Allow async response
+        return true;
+        break;
     }
   });
-- 
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