1 files changed, 80 insertions, 10 deletions

diff --git a/content_scripts/notify.js b/content_scripts/notify.js
index d81732f10..2df089719 100644
--- a/content_scripts/notify.js
+++ b/content_scripts/notify.js
@@ -13,24 +13,50 @@
  You should have received a copy of the GNU General Public License along with
  TALER; see the file COPYING.  If not, If not, see <http://www.gnu.org/licenses/>
  */
-/// <reference path="../lib/decl/chrome/chrome.d.ts" />
-"use strict";
 /**
  * Script that is injected into (all!) pages to allow them
  * to interact with the GNU Taler wallet via DOM Events.
+ *
+ * @author Florian Dold
  */
+/// <reference path="../lib/decl/chrome/chrome.d.ts" />
+"use strict";
 // Make sure we don't pollute the namespace too much.
 var TalerNotify;
 (function (TalerNotify) {
     var PROTOCOL_VERSION = 1;
-    console.log("Taler injected");
+    console.log("Taler injected", chrome.runtime.id);
+    // FIXME: only do this for test wallets?
+    // This is no security risk, since the extension ID for published
+    // extension is publicly known.
     function subst(url, H_contract) {
         url = url.replace("${H_contract}", H_contract);
         url = url.replace("${$}", "$");
         return url;
     }
+    var handlers = [];
+    var port = chrome.runtime.connect();
+    port.onDisconnect.addListener(function () {
+        console.log("chrome runtime disconnected");
+        for (var _i = 0, handlers_1 = handlers; _i < handlers_1.length; _i++) {
+            var handler = handlers_1[_i];
+            document.removeEventListener(handler.type, handler.listener);
+        }
+    });
     var $ = function (x) { return document.getElementById(x); };
-    document.addEventListener("taler-probe", function (e) {
+    function addHandler(type, listener) {
+        document.addEventListener(type, listener);
+        handlers.push({ type: type, listener: listener });
+    }
+    addHandler("taler-query-id", function (e) {
+        var evt = new CustomEvent("taler-id", {
+            detail: {
+                id: chrome.runtime.id
+            }
+        });
+        document.dispatchEvent(evt);
+    });
+    addHandler("taler-probe", function (e) {
         var evt = new CustomEvent("taler-wallet-present", {
             detail: {
                 walletProtocolVersion: PROTOCOL_VERSION
@@ -39,18 +65,18 @@ var TalerNotify;
         document.dispatchEvent(evt);
         console.log("handshake done");
     });
-    document.addEventListener("taler-create-reserve", function (e) {
+    addHandler("taler-create-reserve", function (e) {
         console.log("taler-create-reserve with " + JSON.stringify(e.detail));
         var params = {
             amount: JSON.stringify(e.detail.amount),
-            callback_url: URI(e.detail.callback_url).absoluteTo(document.location.href),
+            callback_url: URI(e.detail.callback_url)
+                .absoluteTo(document.location.href),
             bank_url: document.location.href,
-            suggested_mint: e.detail.suggested_mint,
         };
         var uri = URI(chrome.extension.getURL("pages/confirm-create-reserve.html"));
         document.location.href = uri.query(params).href();
     });
-    document.addEventListener("taler-confirm-reserve", function (e) {
+    addHandler("taler-confirm-reserve", function (e) {
         console.log("taler-confirm-reserve with " + JSON.stringify(e.detail));
         var msg = {
             type: "confirm-reserve",
@@ -62,7 +88,8 @@ var TalerNotify;
             console.log("confirm reserve done");
         });
     });
-    document.addEventListener("taler-contract", function (e) {
+    // XXX: remove in a bit, just here for compatibility ...
+    addHandler("taler-contract", function (e) {
         // XXX: the merchant should just give us the parsed data ...
         var offer = JSON.parse(e.detail);
         if (!offer.contract) {
@@ -96,7 +123,50 @@ var TalerNotify;
             }
         });
     });
-    document.addEventListener('taler-execute-payment', function (e) {
+    addHandler("taler-confirm-contract", function (e) {
+        if (!e.detail.contract_wrapper) {
+            console.error("contract wrapper missing");
+            return;
+        }
+        var offer = e.detail.contract_wrapper;
+        if (!offer.contract) {
+            console.error("contract field missing");
+            return;
+        }
+        var msg = {
+            type: "check-repurchase",
+            detail: {
+                contract: offer.contract
+            },
+        };
+        chrome.runtime.sendMessage(msg, function (resp) {
+            if (resp.error) {
+                console.error("wallet backend error", resp);
+                return;
+            }
+            if (resp.isRepurchase) {
+                console.log("doing repurchase");
+                console.assert(resp.existingFulfillmentUrl);
+                console.assert(resp.existingContractHash);
+                window.location.href = subst(resp.existingFulfillmentUrl, resp.existingContractHash);
+            }
+            else {
+                var uri = URI(chrome.extension.getURL("pages/confirm-contract.html"));
+                var params = {
+                    offer: JSON.stringify(offer),
+                    merchantPageUrl: document.location.href,
+                };
+                var target = uri.query(params).href();
+                if (e.detail.replace_navigation === true) {
+                    document.location.replace(target);
+                }
+                else {
+                    document.location.href = target;
+                }
+            }
+        });
+    });
+    addHandler('taler-execute-payment', function (e) {
         console.log("got taler-execute-payment in content page");
         if (!e.detail.pay_url) {
             console.log("field 'pay_url' missing in taler-execute-payment event");