1 files changed, 124 insertions, 0 deletions
diff --git a/extension/src/entries/background/nostr-api.ts b/extension/src/entries/background/nostr-api.ts
new file mode 100644
index 0000000..fb9130b
--- /dev/null
+++ b/extension/src/entries/background/nostr-api.ts
@@ -0,0 +1,124 @@
+// Copyright (C) 2023 Vaughn Nugent
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+import { useSettings } from "./settings";
+import { useAuthApi } from "./auth-api";
+import { computed, ref, watch } from "vue";
+
+import { find, isArray } from "lodash";
+import { BridgeMessage } from "webext-bridge";
+import { NostrRelay, NostrPubKey, EventMessage, NostrEvent } from './types'
+import { Endpoints, initApi } from "./server-api";
+
+export const useNostrApi = (() => {
+
+    const { currentConfig } = useSettings();
+    const { apiCall, protect, loggedIn } = useAuthApi();
+
+    const nostrUrl = computed(() => currentConfig.value.nostrEndpoint || '/nostr')
+
+    //Init the api endpooints
+    const { execRequest } = initApi(nostrUrl);
+
+    //Get the current selected key
+    const selectedKey = ref<NostrPubKey | null>({} as NostrPubKey)
+
+    const onGetPubKey = () => {
+        //Selected key is allowed from content script
+        return { ...selectedKey.value }
+    }
+
+    const onDeleteKey = protect<NostrPubKey>(({ data }) => apiCall(() => execRequest<NostrPubKey>(Endpoints.DeleteKey, data)))
+
+    const onSelectKey = protect<NostrPubKey>(async ({ data }) => {
+        //Set the selected key to the value
+        selectedKey.value = data
+    })
+
+    const onGetAllKeys = protect(async () => {
+        return await apiCall(async () => {
+
+            //Get the keys from the server
+            const data = await execRequest<NostrPubKey[]>(Endpoints.GetKeys);
+
+            //Response must be an array of key objects
+            if (!isArray(data)) {
+                return [];
+            }
+
+            //Make sure the selected keyid is in the list, otherwise unselect the key
+            if (data?.length > 0) {
+                if (!find(data, k => k.Id === selectedKey.value?.Id)) {
+                    selectedKey.value = null;
+                }
+            }
+
+            return [ ...data ]
+        })
+    })
+
+    //Unprotect this handler so it can be called from the content script
+    const onSignEvent = (async ({ data }: BridgeMessage<EventMessage>) => {
+        //Set the key id from our current selection
+        data.event.KeyId = selectedKey.value?.Id || ''; //Pass key selection error to server
+
+        //Sign the event
+        return await apiCall(async () => {
+            //Sign the event
+            const event = await execRequest<NostrEvent>(Endpoints.SignEvent, data.event);
+            return { event };
+        })
+    })
+
+    const onGetRelays = async () => {
+        return await apiCall(async () => {
+            //Get preferred relays for the current user
+            const data = await execRequest<NostrRelay[]>(Endpoints.GetRelays)
+            return [ ...data ]
+        })
+    }
+
+
+    const onSetRelay = protect<NostrRelay>(({ data }) => apiCall(() => execRequest<NostrRelay>(Endpoints.SetRelay, data)));
+
+    const onNip04Encrypt = protect(async ({ data }) => {
+        console.log('nip04.encrypt', data)
+        return { ciphertext: 'ciphertext' }
+    })
+
+    const onNip04Decrypt = protect(async ({ data }) => {
+        console.log('nip04.decrypt', data)
+        return { plaintext: 'plaintext' }
+    })
+
+    //Clear the selected key if the user logs out
+    watch(loggedIn, (li) => li ? null : selectedKey.value = null)
+
+    return () => {
+        return{
+            selectedKey,
+            nostrUrl,
+            onGetPubKey,
+            onSelectKey,
+            onGetAllKeys,
+            onSignEvent,
+            onGetRelays,
+            onSetRelay,
+            onNip04Encrypt,
+            onNip04Decrypt,
+            onDeleteKey
+        }
+    }
+})()
+\ No newline at end of file