Add support for saving entries to shared journals.

src/Pim/index.tsx

@@ -26,7 +26,7 @@ import PimMain from './PimMain';
 
 import { routeResolver } from '../App';
 
-import { store, CredentialsData } from '../store';
+import { store, CredentialsData, UserInfoData } from '../store';
 
 import { SyncInfo } from '../SyncGate';
 
@@ -193,6 +193,7 @@ const CollectionRoutes = withRouter(
 class Pim extends React.PureComponent {
   props: {
     etesync: CredentialsData;
+    userInfo: UserInfoData;
     syncInfo: SyncInfo;
     history: History;
   };
@@ -215,7 +216,8 @@ class Pim extends React.PureComponent {
 
     let action = (originalEvent === undefined) ? EteSync.SyncEntryAction.Add : EteSync.SyncEntryAction.Change;
     let saveEvent = store.dispatch(
-      createJournalEntry(this.props.etesync, journal, syncJournal.journalEntries, action, item.toIcal()));
+      createJournalEntry(
+        this.props.etesync, this.props.userInfo, journal, syncJournal.journalEntries, action, item.toIcal()));
     (saveEvent as any).then(() => {
       this.props.history.goBack();
     });
@@ -232,7 +234,8 @@ class Pim extends React.PureComponent {
 
     let action = EteSync.SyncEntryAction.Delete;
     let deleteItem = store.dispatch(
-      createJournalEntry(this.props.etesync, journal, syncJournal.journalEntries, action, item.toIcal()));
+      createJournalEntry(
+        this.props.etesync, this.props.userInfo, journal, syncJournal.journalEntries, action, item.toIcal()));
     (deleteItem as any).then(() => {
       this.props.history.push(routeResolver.getRoute('pim'));
     });

src/SyncGate.tsx

@@ -157,6 +157,7 @@ class SyncGate extends React.PureComponent {
           render={({match, history}) => (
             <PimRouter
               etesync={this.props.etesync}
+              userInfo={this.props.userInfo.value!}
               syncInfo={journalMap}
               history={history}
             />

src/etesync-helpers.ts

@@ -2,11 +2,12 @@ import { List } from 'immutable';
 
 import * as EteSync from './api/EteSync';
 
-import { CredentialsData } from './store';
+import { CredentialsData, UserInfoData } from './store';
 import { createEntries } from './store/actions';
 
 export function createJournalEntry(
   etesync: CredentialsData,
+  userInfo: UserInfoData,
   journal: EteSync.Journal,
   existingEntries: List<EteSync.Entry>,
   action: EteSync.SyncEntryAction,
@@ -26,7 +27,15 @@ export function createJournalEntry(
     prevUid = last.uid;
   }
 
-  const cryptoManager = new EteSync.CryptoManager(derived, journal.uid, journal.version);
+  let cryptoManager: EteSync.CryptoManager;
+  if (journal.key) {
+    const keyPair = userInfo.getKeyPair(new EteSync.CryptoManager(derived, 'userInfo', userInfo.version));
+    const asymmetricCryptoManager = new EteSync.AsymmetricCryptoManager(keyPair);
+    const derivedJournalKey = asymmetricCryptoManager.decryptBytes(journal.key);
+    cryptoManager = EteSync.CryptoManager.fromDerivedKey(derivedJournalKey, journal.version);
+  } else {
+    cryptoManager = new EteSync.CryptoManager(derived, journal.uid, journal.version);
+  }
   let entry = new EteSync.Entry();
   entry.setSyncEntry(cryptoManager, syncEntry, prevUid);