461 lines
19 KiB
JavaScript
461 lines
19 KiB
JavaScript
import * as Variables from "./Variables.js";
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export async function GetTimeline(Cursor) {
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if (localStorage.getItem(Variables.BlueskyAccessToken) == null) {
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console.log("No access token!");
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return "";
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}
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let PDS = localStorage.getItem(Variables.BlueskyPDS);
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let DPoP;
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let request;
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if (Cursor == "") {
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DPoP = await ClientDPoPPDS("GET", PDS + "/xrpc/app.bsky.feed.getTimeline");
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request = fetch(PDS + "/xrpc/app.bsky.feed.getTimeline", {method: "GET", headers: {"Authorization": "DPoP " + localStorage.getItem(Variables.BlueskyAccessToken), "DPoP": DPoP}});
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} else {
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DPoP = await ClientDPoPPDS("GET", PDS + "/xrpc/app.bsky.feed.getTimeline?cursor=" + Cursor);
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request = fetch(PDS + "/xrpc/app.bsky.feed.getTimeline?cursor=" + Cursor, {method: "GET", headers: {"Authorization": "DPoP " + localStorage.getItem(Variables.BlueskyAccessToken), "DPoP": DPoP}});
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}
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let body = await request.then((response) => response.json());
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let status = await request.then((response) => response.status);
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let header = await request.then((response) => response.headers.get("dpop-nonce"));
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if (status == 401) {
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await HandleError(body, header);
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body = await GetTimeline(Cursor);
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}
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return body;
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}
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export async function GetPosts(URIs) {
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if (localStorage.getItem(Variables.BlueskyAccessToken) == null) {
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console.log("No access token!");
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return "";
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}
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let PDS = localStorage.getItem(Variables.BlueskyPDS);
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let DPoP = await ClientDPoPPDS("GET", PDS + "/xrpc/app.bsky.feed.getPosts?uris=" + URIs);
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let request = fetch(PDS + "/xrpc/app.bsky.feed.getPosts?uris=" + URIs, { method: "GET", headers: {"Authorization": "DPoP " + localStorage.getItem(Variables.BlueskyAccessToken), "DPoP": DPoP}});
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let body = await request.then((response) => response.json());
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let status = await request.then((response) => response.status);
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let header = await request.then((response) => response.headers.get("dpop-nonce"));
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if (status == 401) {
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await HandleError(body, header);
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body = await GetPosts(URIs);
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}
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return body;
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}
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// Get a blob (like an image or video). Authentication need not apply.
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export async function GetBlob(DID, CID) {
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let request = fetch("https://bsky.social/xrpc/com.atproto.sync.getBlob?did=" + DID + "&cid=" + CID, {method: "GET"});
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let body = await request.then((response) => response.json());
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return body;
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}
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export async function CreatePost(DID, Text) {
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if (localStorage.getItem(Variables.BlueskyAccessToken) == null) {
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console.log("No access token!");
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return "";
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}
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let Record = {
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"$type": "app.bsky.feed.post",
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"text": Text,
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"createdAt": new Date(Date.now()).toISOString()
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}
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let body = await CreateRecord(DID, "app.bsky.feed.post", Record, undefined);
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if (body.hasOwnProperty("error") && body.error == "InvalidRequest") {
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let matches = body.message.match(/(\d+)/);
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Record.text = Text.slice(0, matches[0] - 1);
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body = await CreateRecord(DID, "app.bsky.feed.post", Record, undefined);
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await CreateReplyPost(DID, Text.slice(matches[0] - 1, Text.length - 1), body, body);
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}
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return body;
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}
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export async function CreateReplyPost(DID, Text, ReplyID, RootID) {
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if (localStorage.getItem(Variables.BlueskyAccessToken) == null) {
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console.log("No access token!");
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return "";
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}
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let Record = {
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"$type": "app.bsky.feed.post",
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"text": Text,
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"createdAt": new Date(Date.now()).toISOString(),
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"reply": {
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"parent": {
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"uri": ReplyID.uri,
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"cid": ReplyID.cid
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},
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"root": {
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"uri": RootID.uri,
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"cid": RootID.cid
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}
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}
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}
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let body = await CreateRecord(DID, "app.bsky.feed.post", Record, undefined);
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if (body.hasOwnProperty("error") && body.error == "InvalidRequest") {
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let matches = body.message.match(/(\d+)/);
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Record.text = Text.slice(0, matches[0] - 1);
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body = await CreateRecord(DID, "app.bsky.feed.post", Record, undefined);
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await CreateReplyPost(DID, Text.slice(matches[0] - 1, Text.length - 1), body, RootID);
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}
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return body;
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}
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export async function SetThreadGate(DID, Post, VisibilitySettings) {
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if (localStorage.getItem(Variables.BlueskyAccessToken) == null) {
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console.log("No access token!");
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return "";
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}
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let Record = {
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"$type": "app.bsky.feed.threadgate",
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"post": Post,
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"allow": VisibilitySettings,
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"createdAt": new Date(Date.now()).toISOString()
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}
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let body = CreateRecord(DID, "app.bsky.feed.threadgate", Record, undefined);
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return body;
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}
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export async function SendLike(DID, RefURI, RefCID) {
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if (localStorage.getItem(Variables.BlueskyAccessToken) == null) {
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console.log("No access token!");
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return "";
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}
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let StrongRef = {
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"$type": "com.atproto.repo.strongRef",
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"uri": RefURI,
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"cid": RefCID
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}
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let Record = {
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"$type": "app.bsky.feed.like",
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"subject": StrongRef,
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"createdAt": new Date(Date.now()).toISOString()
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}
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let body = await GetRecord(DID, "app.bsky.feed.like", RefURI.split("/")[RefURI.split("/").length - 1]);
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// We might have a record. If we do, delete the thing. If we don't, create the thing.
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if (body.hasOwnProperty("error") && body.error == "RecordNotFound") {
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body = await CreateRecord(DID, "app.bsky.feed.like", Record, RefURI.split("/")[RefURI.split("/").length - 1]);
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} else {
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body = await DeleteRecord(DID, "app.bsky.feed.like", RefURI.split("/")[RefURI.split("/").length - 1]);
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}
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return body;
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}
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export async function SendRepost(DID, RefURI, RefCID) {
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if (localStorage.getItem(Variables.BlueskyAccessToken) == null) {
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console.log("No access token!");
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return "";
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}
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let StrongRef = {
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"$type": "com.atproto.repo.strongRef",
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"uri": RefURI,
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"cid": RefCID
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}
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let Record = {
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"$type": "app.bsky.feed.repost",
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"subject": StrongRef,
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"createdAt": new Date(Date.now()).toISOString()
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}
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let body = await GetRecord(DID, "app.bsky.feed.repost", RefURI.split("/")[RefURI.split("/").length - 1]);
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// We might have a record. If we do, delete the thing. If we don't, create the thing.
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if (body.hasOwnProperty("error") && body.error == "RecordNotFound") {
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body = await CreateRecord(DID, "app.bsky.feed.repost", Record, RefURI.split("/")[RefURI.split("/").length - 1]);
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} else {
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body = await DeleteRecord(DID, "app.bsky.feed.repost", RefURI.split("/")[RefURI.split("/").length - 1]);
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}
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return body;
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}
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export async function GetRecord(Repo, Collection, RKey) {
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let RequestBody = {
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"repo": Repo,
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"collection": Collection,
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"rkey": RKey
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}
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let DPoP = await ClientDPoPPDS("GET", localStorage.getItem(Variables.BlueskyPDS) + "/xrpc/com.atproto.repo.getRecord?repo=" + Repo + "&collection=" + Collection + "&rkey=" + RKey);
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let request = fetch(localStorage.getItem(Variables.BlueskyPDS) + "/xrpc/com.atproto.repo.getRecord?repo=" + Repo + "&collection=" + Collection + "&rkey=" + RKey, { method: "GET", headers: {"Content-Type": "application/json", "Authorization": "DPoP " + localStorage.getItem(Variables.BlueskyAccessToken), "DPoP": DPoP}});
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let body = await request.then((response) => response.json());
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let status = await request.then((response) => response.status);
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let header = await request.then((response) => response.headers.get("dpop-nonce"));
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if (status == 401) {
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await HandleError(body, header);
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body = await DeleteRecord(Repo, Collection, RKey);
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}
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return body;
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}
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export async function CreateRecord(Repo, Collection, Record, RKey) {
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let RequestBody = {
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"repo": Repo,
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"collection": Collection,
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"record": Record
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}
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if (RKey != undefined) {
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RequestBody.rkey = RKey;
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}
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let DPoP = await ClientDPoPPDS("POST", localStorage.getItem(Variables.BlueskyPDS) + "/xrpc/com.atproto.repo.createRecord");
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let request = fetch(localStorage.getItem(Variables.BlueskyPDS) + "/xrpc/com.atproto.repo.createRecord", { body: JSON.stringify(RequestBody), method: "POST", headers: {"Content-Type": "application/json", "Authorization": "DPoP " + localStorage.getItem(Variables.BlueskyAccessToken), "DPoP": DPoP}});
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let body = await request.then((response) => response.json());
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let status = await request.then((response) => response.status);
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let header = await request.then((response) => response.headers.get("dpop-nonce"));
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if (status == 401) {
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await HandleError(body, header);
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body = await CreateRecord(Repo, Collection, Record, RKey);
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}
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return body;
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}
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export async function DeleteRecord(Repo, Collection, RKey) {
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let RequestBody = {
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"repo": Repo,
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"collection": Collection,
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"rkey": RKey
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}
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let DPoP = await ClientDPoPPDS("POST", localStorage.getItem(Variables.BlueskyPDS) + "/xrpc/com.atproto.repo.deleteRecord");
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let request = fetch(localStorage.getItem(Variables.BlueskyPDS) + "/xrpc/com.atproto.repo.deleteRecord", { body: JSON.stringify(RequestBody), method: "POST", headers: {"Content-Type": "application/json", "Authorization": "DPoP " + localStorage.getItem(Variables.BlueskyAccessToken), "DPoP": DPoP}});
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let body = await request.then((response) => response.json());
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let status = await request.then((response) => response.status);
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let header = await request.then((response) => response.headers.get("dpop-nonce"));
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if (status == 401) {
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await HandleError(body, header);
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body = await DeleteRecord(Repo, Collection, RKey);
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}
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return body;
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}
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// Component 1/4
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export async function GetPDSWellKnown() {
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return await fetch("https://bsky.social/.well-known/oauth-authorization-server", {method: "GET"})
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.then((response) => response.json());
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}
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// Component 2/4
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// Many thanks to https://github.com/tonyxu-io/pkce-generator. It was the base for this code.
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export async function CreatePKCECodeVerifier() {
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// Generate some Numbers
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let Numbers = new Uint8Array(32);
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crypto.getRandomValues(Numbers);
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// Generate a random string of characters.
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let CodeVerifier = "";
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for (let i in Numbers) {
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CodeVerifier += String.fromCharCode(Numbers[i]);
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}
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// Put this random string into Base64URL format.
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CodeVerifier = btoa(CodeVerifier).replace(/=/g, '').replace(/\+/g, '-').replace(/\//g, '_');
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return CodeVerifier;
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}
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export async function CreatePKCECodeChallenge(CodeVerifier) {
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// Generate a code challenge with the code verifier.
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// This is done by first SHA256 encrypting the CodeVerifier, then putting the outputted string into Base64URL format.
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let CodeChallenge = btoa(await sha256(CodeVerifier)).replace(/=/g, '').replace(/\+/g, '-').replace(/\//g, '_');
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return CodeChallenge;
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}
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// Component 3/4
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export async function PARrequest(PAREndpoint, State, Challenge) {
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return fetch(PAREndpoint, {method: "POST", body: new URLSearchParams({ response_type: "code", code_challenge_method: "S256", scope: "atproto transition:generic", client_id: "https://fedi.crowdedgames.group/oauth/client-metadata.json", redirect_uri: "https://fedi.crowdedgames.group/HTML/setting.html", code_challenge: Challenge, state: State, login_hint: "crowdedgames.group" }), headers: {"Content-Type": "application/x-www-form-urlencoded"}});
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}
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async function AuthRequest(TokenEndpoint, code, DPoP, Verify) {
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return fetch(TokenEndpoint, {method: "POST", body: new URLSearchParams({ grant_type: "authorization_code", code: code, client_id: "https://fedi.crowdedgames.group/oauth/client-metadata.json", redirect_uri: "https://fedi.crowdedgames.group/HTML/setting.html", code_verifier: Verify}), headers: { "DPoP": DPoP, "Content-Type": "application/x-www-form-urlencoded"}})
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.then((response) => response.json());
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}
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async function ReauthRequest(TokenEndpoint, Token, DPoP) {
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return fetch(TokenEndpoint, {method: "POST", body: new URLSearchParams({ grant_type: "refresh_token", refresh_token: Token, client_id: "https://fedi.crowdedgames.group/oauth/client-metadata.json"}), headers: { "DPoP": DPoP, "Content-Type": "application/x-www-form-urlencoded"}});
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}
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// Component 4/4
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export async function ClientDPoPToken(POSTorGET, RequestURL) {
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let PublicKey = await crypto.subtle.importKey("jwk", JSON.parse(localStorage.getItem(Variables.BlueskyPublicKey)), {name: "ECDSA", namedCurve: "P-256"}, true, ["verify"]);
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let PrivateKey = await crypto.subtle.importKey("jwk", JSON.parse(localStorage.getItem(Variables.BlueskyPrivateKey)), {name: "ECDSA", namedCurve: "P-256"}, true, ["sign"]);
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// Header
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var Header = {typ: "dpop+jwt", alg: "ES256", jwk:
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await crypto.subtle.exportKey("jwk", PublicKey)
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.then(function(response) {
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delete response["key_ops"];
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delete response["ext"];
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delete response["alg"];
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return response})
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};
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// Payload
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var Payload = {};
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Payload.iss = "https://fedi.crowdedgames.group/oauth/client-metadata.json";
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Payload.jti = crypto.randomUUID();
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Payload.htm = POSTorGET;
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Payload.htu = RequestURL;
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Payload.iat = Math.floor(new Date(Date.now()).getTime() / 1000);
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Payload.nonce = localStorage.getItem(Variables.BlueskyNonce);
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var sHeader = JSON.stringify(Header);
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var sPayload = JSON.stringify(Payload);
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var JWT = KJUR.jws.JWS.sign("ES256", sHeader, sPayload,
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await crypto.subtle.exportKey("jwk", PrivateKey)
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.then(function(response) {
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delete response["key_ops"];
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delete response["ext"];
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delete response["alg"];
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return response})
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);
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return JWT;
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}
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export async function ClientDPoPPDS(POSTorGET, RequestURL) {
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let PublicKey = await crypto.subtle.importKey("jwk", JSON.parse(localStorage.getItem(Variables.BlueskyPublicKey)), {name: "ECDSA", namedCurve: "P-256"}, true, ["verify"]);
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let PrivateKey = await crypto.subtle.importKey("jwk", JSON.parse(localStorage.getItem(Variables.BlueskyPrivateKey)), {name: "ECDSA", namedCurve: "P-256"}, true, ["sign"]);
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// Header
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var Header = {typ: "dpop+jwt", alg: "ES256", jwk:
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await crypto.subtle.exportKey("jwk", PublicKey)
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.then(function(response) {
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delete response["key_ops"];
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delete response["ext"];
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delete response["alg"];
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return response})
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};
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// Payload
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var Payload = {};
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Payload.iss = "https://fedi.crowdedgames.group/oauth/client-metadata.json";
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Payload.jti = crypto.randomUUID();
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Payload.htm = POSTorGET;
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Payload.htu = RequestURL;
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Payload.iat = Math.floor(new Date(Date.now()).getTime() / 1000);
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Payload.nonce = localStorage.getItem(Variables.BlueskyNonce);
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Payload.ath = await CreatePKCECodeChallenge(localStorage.getItem(Variables.BlueskyAccessToken));
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var sHeader = JSON.stringify(Header);
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var sPayload = JSON.stringify(Payload);
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var JWT = KJUR.jws.JWS.sign("ES256", sHeader, sPayload,
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await crypto.subtle.exportKey("jwk", PrivateKey)
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.then(function(response) {
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delete response["key_ops"];
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delete response["ext"];
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delete response["alg"];
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return response})
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);
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return JWT;
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}
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export async function HandleAuthorization(Website) {
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// Quickly check to see if it has something before :// so it doesn't screw the link.
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if (Website.toLowerCase().split("://").length > 1) {
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Website = "https://" + Website.split("://")[1];
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} else {
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Website = "https://" + Website;
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}
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// Declare Variables
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let KeyPair = await crypto.subtle.generateKey({name: "ECDSA", namedCurve: "P-256"}, true, ["sign", "verify"]);
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let WellKnown = await GetPDSWellKnown();
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let State = crypto.randomUUID();
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let PKCEverifier = await CreatePKCECodeVerifier();
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let PKCEchallenge = await CreatePKCECodeChallenge(PKCEverifier);
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// Save these
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localStorage.setItem(Variables.BlueskyPKCEVerifier, PKCEverifier);
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localStorage.setItem(Variables.BlueskyPKCEChallenge, PKCEchallenge);
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// PAR request (beginning)
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let PAR = PARrequest(WellKnown.pushed_authorization_request_endpoint, State, PKCEchallenge);
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let body = await PAR.then((response) => response.json());
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let nonce = await PAR.then((response) => response.headers.get("dpop-nonce"));
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// Save nonce
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localStorage.setItem(Variables.BlueskyNonce, nonce);
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// Export keys
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let ExportedKey1 = await crypto.subtle.exportKey("jwk", KeyPair.publicKey);
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let ExportedKey2 = await crypto.subtle.exportKey("jwk", KeyPair.privateKey);
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// Convert them into a good format.
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localStorage.setItem(Variables.BlueskyPublicKey, JSON.stringify(ExportedKey1));
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localStorage.setItem(Variables.BlueskyPrivateKey, JSON.stringify(ExportedKey2));
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// Now we need to authenticate. Make sure the State stays the same throughout this whole process :]
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document.location.href = Website + "/oauth/authorize?client_id=https://fedi.crowdedgames.group/oauth/client-metadata.json&request_uri=" + body.request_uri;
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}
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export async function GainTokens() {
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let WellKnown = await GetPDSWellKnown();
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// Check to see if something's a miss...
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if ((document.location.href.split("state=").length > 1 && document.location.href.split("iss=").length > 1 && document.location.href.split("code=").length > 1) && localStorage.getItem(Variables.BlueskyPKCEVerifier) != null && localStorage.getItem(Variables.BlueskyAccessToken) == null) {
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// Create varaibles, be aware of waits because of internet.
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let DPoP = await ClientDPoPToken("POST", WellKnown.token_endpoint);
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let code = document.location.href.split("code=")[1];
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// Authentication
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let Var = await localStorage.getItem(Variables.BlueskyPKCEVerifier);
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let Auth = await AuthRequest(WellKnown.token_endpoint, code, DPoP, Var);
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// Save the tokens and be done
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localStorage.setItem(Variables.BlueskyAccessToken, Auth.access_token);
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localStorage.setItem(Variables.BlueskyRefreshToken, Auth.refresh_token);
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// That long string just gets the payload
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// aud = PDS server we are communicating with; sub = user DID
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localStorage.setItem(Variables.BlueskyPDS, "https://" + KJUR.jws.JWS.readSafeJSONString(b64utoutf8(localStorage.getItem(Variables.BlueskyAccessToken).split(".")[1])).aud.split(":")[2]);
|
|
localStorage.setItem(Variables.BlueskyDID, KJUR.jws.JWS.readSafeJSONString(b64utoutf8(localStorage.getItem(Variables.BlueskyAccessToken).split(".")[1])).sub);
|
|
}
|
|
}
|
|
|
|
// Refreshing tokens is an integral part of auth.
|
|
export async function RefreshTokens() {
|
|
let WellKnown = await GetPDSWellKnown();
|
|
// Create varaibles, be aware of waits because of internet.
|
|
let DPoP = await ClientDPoPToken("POST", WellKnown.token_endpoint);
|
|
// Token refresh
|
|
let Var = await localStorage.getItem(Variables.BlueskyRefreshToken);
|
|
let Auth = ReauthRequest(WellKnown.token_endpoint, Var, DPoP);
|
|
let body = await Auth.then((response) => response.json());
|
|
let header = await Auth.then((response) => response.headers.get("dpop-nonce"));
|
|
if (body.hasOwnProperty("error_description") && body.error_description.includes("DPoP nonce mismatch")) {
|
|
localStorage.setItem(Variables.BlueskyNonce, header);
|
|
DPoP = await ClientDPoPToken("POST", WellKnown.token_endpoint);
|
|
body = await ReauthRequest(WellKnown.token_endpoint, Var, DPoP).then((response) => response.json());
|
|
}
|
|
// Save the tokens and be done
|
|
localStorage.setItem(Variables.BlueskyAccessToken, body.access_token);
|
|
localStorage.setItem(Variables.BlueskyRefreshToken, body.refresh_token);
|
|
}
|
|
|
|
async function HandleError(body, header) {
|
|
if (body.message.includes("DPoP nonce mismatch")) {
|
|
await localStorage.setItem(Variables.BlueskyNonce, header);
|
|
}
|
|
if (body.message.includes("claim timestamp check failed")) {
|
|
await RefreshTokens();
|
|
}
|
|
}
|
|
|
|
// Stolen from elsewhere.
|
|
// Firefox snippet; Slightly edited.
|
|
async function sha256(message) {
|
|
// encode as UTF-8
|
|
const MessageBuffer = new TextEncoder().encode(message);
|
|
|
|
// hash the message
|
|
const HashBuffer = await crypto.subtle.digest('SHA-256', MessageBuffer);
|
|
|
|
// convert ArrayBuffer to Array
|
|
const HashArray = Array.from(new Uint8Array(HashBuffer));
|
|
|
|
// convert this hashArray to a string
|
|
let string = "";
|
|
for (let i in HashArray) {
|
|
string += String.fromCharCode(HashArray[i]);
|
|
}
|
|
|
|
return string;
|
|
}
|
|
|
|
// Firefox snippet.
|
|
function ab2str(buf) {
|
|
return String.fromCharCode.apply(null, new Uint8Array(buf));
|
|
}
|
|
|
|
// Firefox snippet.
|
|
function str2ab(str) {
|
|
const buf = new ArrayBuffer(str.length);
|
|
const bufView = new Uint8Array(buf);
|
|
for (let i = 0, strLen = str.length; i < strLen; i++) {
|
|
bufView[i] = str.charCodeAt(i);
|
|
}
|
|
return buf;
|
|
}
|