use signing service

src/components/post-modal/index.tsx

@@ -16,6 +16,7 @@ import { nostrPostAction, PostResult } from "../../classes/nostr-post-action";
 import { getReferences } from "../../helpers/nostr-event";
 import { useWriteRelayUrls } from "../../hooks/use-client-relays";
 import { useIsMobile } from "../../hooks/use-is-mobile";
+import { useSigningContext } from "../../providers/signing-provider";
 import { DraftNostrEvent, NostrEvent } from "../../types/nostr-event";
 import { NoteLink } from "../note-link";
 import { PostResults } from "./post-results";
@@ -39,6 +40,7 @@ export const PostModal = ({ isOpen, onClose, initialDraft }: PostModalProps) =>
   const isMobile = useIsMobile();
   const pad = isMobile ? "2" : "4";
 
+  const { requestSignature } = useSigningContext();
   const writeRelays = useWriteRelayUrls();
   const [waiting, setWaiting] = useState(false);
   const [signedEvent, setSignedEvent] = useState<NostrEvent | null>(null);
@@ -50,19 +52,17 @@ export const PostModal = ({ isOpen, onClose, initialDraft }: PostModalProps) =>
   };
 
   const handleSubmit = async () => {
-    if (window.nostr) {
-      setWaiting(true);
-      const updatedDraft: DraftNostrEvent = { ...draft, created_at: moment().unix() };
-      const event = await window.nostr.signEvent(updatedDraft);
-      setWaiting(false);
-      setSignedEvent(event);
+    setWaiting(true);
+    const updatedDraft: DraftNostrEvent = { ...draft, created_at: moment().unix() };
+    const event = await requestSignature(updatedDraft);
+    setWaiting(false);
+    if (!event) return;
+    setSignedEvent(event);
 
-      const { results } = nostrPostAction(writeRelays, event);
-
-      results.subscribe((result) => {
-        resultsActions.push(result);
-      });
-    }
+    const { results } = nostrPostAction(writeRelays, event);
+    results.subscribe((result) => {
+      resultsActions.push(result);
+    });
   };
 
   const refs = getReferences(draft);

src/providers/index.tsx

@@ -1,9 +1,10 @@
 import React from "react";
 import { ChakraProvider, localStorageManager } from "@chakra-ui/react";
 import theme from "../theme";
+import { SigningProvider } from "./signing-provider";
 
 export const Providers = ({ children }: { children: React.ReactNode }) => (
   <ChakraProvider theme={theme} colorModeManager={localStorageManager}>
-    {children}
+    <SigningProvider>{children}</SigningProvider>
   </ChakraProvider>
 );

src/providers/signing-provider.tsx

@@ -0,0 +1,41 @@
+import { useToast } from "@chakra-ui/react";
+import React, { useCallback, useContext, useMemo } from "react";
+import signingService from "../services/signing";
+import { DraftNostrEvent, NostrEvent } from "../types/nostr-event";
+
+export type SigningContextType = {
+  requestSignature: (draft: DraftNostrEvent) => Promise<NostrEvent | undefined>;
+};
+
+export const SigningContext = React.createContext<SigningContextType>({
+  requestSignature: () => {
+    throw new Error("not setup yet");
+  },
+});
+
+export function useSigningContext() {
+  return useContext(SigningContext);
+}
+
+export const SigningProvider = ({ children }: { children: React.ReactNode }) => {
+  const toast = useToast();
+
+  const requestSignature = useCallback(
+    async (draft: DraftNostrEvent) => {
+      try {
+        return await signingService.requestSignature(draft);
+      } catch (e) {
+        if (e instanceof Error) {
+          toast({
+            status: "error",
+            description: e.message,
+          });
+        }
+      }
+    },
+    [toast]
+  );
+  const context = useMemo(() => ({ requestSignature }), [requestSignature]);
+
+  return <SigningContext.Provider value={context}>{children}</SigningContext.Provider>;
+};

src/services/client-following.ts

@@ -5,6 +5,7 @@ import { DraftNostrEvent, PTag } from "../types/nostr-event";
 import clientRelaysService from "./client-relays";
 import accountService from "./account";
 import userContactsService, { UserContacts } from "./user-contacts";
+import signingService from "./signing";
 
 export type RelayDirectory = Record<string, { read: boolean; write: boolean }>;
 
@@ -73,18 +74,16 @@ async function savePending() {
   const draft = pendingDraft.value;
   if (!draft) return;
 
-  if (window.nostr) {
-    savingDraft.next(true);
-    const event = await window.nostr.signEvent(draft);
+  savingDraft.next(true);
+  const event = await signingService.requestSignature(draft);
 
-    const results = nostrPostAction(clientRelaysService.getWriteUrls(), event);
-    await results.onComplete;
+  const results = nostrPostAction(clientRelaysService.getWriteUrls(), event);
+  await results.onComplete;
 
-    savingDraft.next(false);
+  savingDraft.next(false);
 
-    // pass new event to contact list service
-    userContactsService.handleEvent(event);
-  }
+  // pass new event to contact list service
+  userContactsService.handleEvent(event);
 }
 
 function addContact(pubkey: string, relay?: string) {

src/services/client-relays.ts

@@ -6,6 +6,7 @@ import accountService from "./account";
 import { RelayConfig, RelayMode } from "../classes/relay";
 import userRelaysService, { UserRelays } from "./user-relays";
 import { PersistentSubject, Subject } from "../classes/subject";
+import signingService from "./signing";
 
 export type RelayDirectory = Record<string, { read: boolean; write: boolean }>;
 
@@ -77,15 +78,13 @@ class ClientRelayService {
     const oldRelayUrls = this.relays.value.filter((r) => r.mode & RelayMode.WRITE).map((r) => r.url);
     const writeUrls = unique([...oldRelayUrls, ...newRelayUrls]);
 
-    if (window.nostr) {
-      const event = await window.nostr.signEvent(draft);
+    const event = await signingService.requestSignature(draft);
 
-      const results = nostrPostAction(writeUrls, event);
-      await results.onComplete;
+    const results = nostrPostAction(writeUrls, event);
+    await results.onComplete;
 
-      // pass new event to the user relay service
-      userRelaysService.handleEvent(event);
-    }
+    // pass new event to the user relay service
+    userRelaysService.handleEvent(event);
   }
 
   getWriteUrls() {

src/services/dns-identity.ts

@@ -82,7 +82,7 @@ async function pruneCache() {
   const keys = await db.getAllKeysFromIndex(
     "dnsIdentifiers",
     "updated",
-    IDBKeyRange.upperBound(moment().subtract(1, "hour").unix())
+    IDBKeyRange.upperBound(moment().subtract(1, "day").unix())
   );
 
   for (const pubkey of keys) {

src/services/signing.tsx

@@ -0,0 +1,32 @@
+import { DraftNostrEvent, NostrEvent } from "../types/nostr-event";
+import accountService from "./account";
+import { signEvent, getEventHash, getPublicKey } from "nostr-tools";
+
+class SigningService {
+  async requestSignature(draft: DraftNostrEvent) {
+    const account = accountService.current.value;
+
+    if (account?.readonly) throw new Error("cant sign in readonly mode");
+    if (account?.useExtension) {
+      if (window.nostr) {
+        const signed = await window.nostr.signEvent(draft);
+        if (signed.pubkey !== account.pubkey) throw new Error("signed with the wrong pubkey!");
+        return signed;
+      } else throw new Error("missing nostr extension");
+    } else if (account?.secKey) {
+      const tmpDraft = { ...draft, pubkey: getPublicKey(account.secKey) };
+      const signature = signEvent(tmpDraft, account.secKey);
+      const event: NostrEvent = {
+        ...tmpDraft,
+        id: getEventHash(tmpDraft),
+        sig: signature,
+      };
+
+      return event;
+    } else throw new Error("no signing method");
+  }
+}
+
+const signingService = new SigningService();
+
+export default signingService;

src/views/login/start.tsx

@@ -26,7 +26,7 @@ export const LoginStartView = () => {
             relays = Object.keys(extRelays).filter((url) => extRelays[url].read);
           }
 
-          accountService.addAccount({ pubkey, relays });
+          accountService.addAccount({ pubkey, relays, useExtension: true });
         }
 
         accountService.switchAccount(pubkey);

src/views/user/components/user-card.tsx

@@ -17,10 +17,8 @@ export const UserCard = ({ pubkey, relay }: { pubkey: string; relay?: string })
         <Box>
           <Link as={ReactRouterLink} to={`/u/${normalizeToBech32(pubkey, Bech32Prefix.Pubkey)}`}>
             <Heading size="sm">{getUserDisplayName(metadata, pubkey)}</Heading>
-            <Text>
-              <UserDnsIdentityIcon pubkey={pubkey} />
-            </Text>
           </Link>
+          <UserDnsIdentityIcon pubkey={pubkey} />
           {relay && <Text>{relay}</Text>}
         </Box>
       </Flex>

src/views/user/components/user-profile-menu.tsx

@@ -16,11 +16,13 @@ export const UserProfileMenu = ({ pubkey, ...props }: { pubkey: string } & Omit<
 
   const loginAsUser = () => {
     const readRelays = userRelays?.relays.filter((r) => r.mode === RelayMode.READ).map((r) => r.url) ?? [];
-    accountService.addAccount({
-      pubkey,
-      relays: readRelays,
-      readonly: true,
-    });
+    if (!accountService.hasAccount(pubkey)) {
+      accountService.addAccount({
+        pubkey,
+        relays: readRelays,
+        readonly: true,
+      });
+    }
     accountService.switchAccount(pubkey);
   };