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// 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 { Endpoints, initApi } from "./server-api";
import { NostrRelay, NostrPubKey, EventMessage, NostrEvent } from './types'
export const useNostrApi = (() => {
const { currentConfig } = useSettings();
const { handleProtectedApicall, handleApiCall, handleProtectedMessage, 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)
//Selected key is allowed from content script
const onGetPubKey = () => ({ ...selectedKey.value });
const onDeleteKey = handleProtectedApicall<NostrPubKey>(data => execRequest<NostrPubKey>(Endpoints.DeleteKey, data))
//Set the selected key to the value
const onSelectKey = handleProtectedMessage<NostrPubKey>(data => (selectedKey.value = data, Promise.resolve()));
const onGetAllKeys = handleProtectedApicall(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 the signing handler so it can be called from the content script
const onSignEvent = handleApiCall<EventMessage>(async (data) => {
//Set the key id from our current selection
data.event.KeyId = selectedKey.value?.Id || ''; //Pass key selection error to server
//Sign the event
const event = await execRequest<NostrEvent>(Endpoints.SignEvent, data.event);
return { event };
})
const onGetRelays = handleApiCall<any>(async () => {
//Get preferred relays for the current user
const data = await execRequest<NostrRelay[]>(Endpoints.GetRelays)
return [...data]
})
const onSetRelay = handleProtectedApicall<NostrRelay>(data => execRequest<NostrRelay>(Endpoints.SetRelay, data));
const onNip04Encrypt = handleProtectedMessage(async (data) => {
console.log('nip04.encrypt', data)
return { ciphertext: 'ciphertext' }
})
const onNip04Decrypt = handleProtectedMessage(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
}
}
})()
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