109 lines
2.8 KiB
JavaScript
109 lines
2.8 KiB
JavaScript
const EXTENSION = "nostrconnect";
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window.nostr = {
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_requests: {},
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_pubkey: null,
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async getPublicKey() {
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if (this._pubkey) return this._pubkey;
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this._pubkey = await this._call("getPublicKey", {});
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return this._pubkey;
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},
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async signEvent(event) {
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return this._call("signEvent", { event });
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},
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async getRelays() {
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return this._call("getRelays", {});
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},
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nip04: {
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async encrypt(peer, plaintext) {
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return window.nostr._call("nip04.encrypt", { peer, plaintext });
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},
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async decrypt(peer, ciphertext) {
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return window.nostr._call("nip04.decrypt", { peer, ciphertext });
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},
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},
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_call(type, params) {
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const id = Math.random().toString().slice(-4);
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console.log(
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`%c[nostrconnect:%c${id}%c]%c calling %c${type}%c with %c${JSON.stringify(params || {})}`,
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"background-color:#f1b912;font-weight:bold;color:white",
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"background-color:#f1b912;font-weight:bold;color:#a92727",
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"background-color:#f1b912;color:white;font-weight:bold",
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"color:auto",
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"font-weight:bold;color:#08589d;font-family:monospace",
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"color:auto",
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"font-weight:bold;color:#90b12d;font-family:monospace",
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);
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return new Promise((resolve, reject) => {
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this._requests[id] = { resolve, reject };
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window.postMessage(
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{
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id,
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ext: EXTENSION,
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type,
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params,
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},
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"*",
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);
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});
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},
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};
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window.addEventListener("message", (message) => {
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if (
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!message.data ||
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message.data.response === null ||
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message.data.response === undefined ||
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message.data.ext !== EXTENSION ||
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!window.nostr._requests[message.data.id]
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)
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return;
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if (message.data.response.error) {
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const error = new Error(
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`${EXTENSION}: ${message.data.response.error.message}`,
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);
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error.stack = message.data.response.error.stack;
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window.nostr._requests[message.data.id].reject(error);
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} else {
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window.nostr._requests[message.data.id].resolve(message.data.response);
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}
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console.log(
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`%c[nostrconnect:%c${message.data.id}%c]%c result: %c${JSON.stringify(
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message?.data?.response || message?.data?.response?.error?.message || {},
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)}`,
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"background-color:#f1b912;font-weight:bold;color:white",
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"background-color:#f1b912;font-weight:bold;color:#a92727",
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"background-color:#f1b912;color:white;font-weight:bold",
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"color:auto",
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"font-weight:bold;color:#08589d",
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);
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delete window.nostr._requests[message.data.id];
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});
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// hack to replace nostr:nprofile.../etc links with something else
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let replacing = null;
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document.addEventListener("mousedown", replaceNostrSchemeLink);
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async function replaceNostrSchemeLink(e) {
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if (e.target.tagName !== "A" || !e.target.href.startsWith("nostr:")) return;
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if (replacing === false) return;
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const response = await window.nostr._call("replaceURL", {
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url: e.target.href,
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});
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if (response === false) {
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replacing = false;
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return;
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}
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e.target.href = response;
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}
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