parra/ntfy
parra/ntfy
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binwiederhier 2023-05-23 19:29:47 -04:00
parent 2e27f58963
commit ca5d736a71
33 changed files with 521 additions and 2033 deletions
web/src/app
Connection.js

68
web/src/app/Connection.js
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@ -1,10 +1,4 @@
import {
basicAuth,
bearerAuth,
encodeBase64Url,
topicShortUrl,
topicUrlWs,
} from "./utils";
import { basicAuth, bearerAuth, encodeBase64Url, topicShortUrl, topicUrlWs } from "./utils";
const retryBackoffSeconds = [5, 10, 20, 30, 60, 120];
@ -15,16 +9,7 @@ const retryBackoffSeconds = [5, 10, 20, 30, 60, 120];
* Incoming messages and state changes are forwarded via listeners.
*/
class Connection {
constructor(
connectionId,
subscriptionId,
baseUrl,
topic,
user,
since,
onNotification,
onStateChanged
) {
constructor(connectionId, subscriptionId, baseUrl, topic, user, since, onNotification, onStateChanged) {
this.connectionId = connectionId;
this.subscriptionId = subscriptionId;
this.baseUrl = baseUrl;
@ -44,78 +29,51 @@ class Connection {
// we don't want to re-trigger the main view re-render potentially hundreds of times.
const wsUrl = this.wsUrl();
console.log(
`[Connection, ${this.shortUrl}, ${this.connectionId}] Opening connection to ${wsUrl}`
);
console.log(`[Connection, ${this.shortUrl}, ${this.connectionId}] Opening connection to ${wsUrl}`);
this.ws = new WebSocket(wsUrl);
this.ws.onopen = (event) => {
console.log(
`[Connection, ${this.shortUrl}, ${this.connectionId}] Connection established`,
event
);
console.log(`[Connection, ${this.shortUrl}, ${this.connectionId}] Connection established`, event);
this.retryCount = 0;
this.onStateChanged(this.subscriptionId, ConnectionState.Connected);
};
this.ws.onmessage = (event) => {
console.log(
`[Connection, ${this.shortUrl}, ${this.connectionId}] Message received from server: ${event.data}`
);
console.log(`[Connection, ${this.shortUrl}, ${this.connectionId}] Message received from server: ${event.data}`);
try {
const data = JSON.parse(event.data);
if (data.event === "open") {
return;
}
const relevantAndValid =
data.event === "message" &&
"id" in data &&
"time" in data &&
"message" in data;
const relevantAndValid = data.event === "message" && "id" in data && "time" in data && "message" in data;
if (!relevantAndValid) {
console.log(
`[Connection, ${this.shortUrl}, ${this.connectionId}] Unexpected message. Ignoring.`
);
console.log(`[Connection, ${this.shortUrl}, ${this.connectionId}] Unexpected message. Ignoring.`);
return;
}
this.since = data.id;
this.onNotification(this.subscriptionId, data);
} catch (e) {
console.log(
`[Connection, ${this.shortUrl}, ${this.connectionId}] Error handling message: ${e}`
);
console.log(`[Connection, ${this.shortUrl}, ${this.connectionId}] Error handling message: ${e}`);
}
};
this.ws.onclose = (event) => {
if (event.wasClean) {
console.log(
`[Connection, ${this.shortUrl}, ${this.connectionId}] Connection closed cleanly, code=${event.code} reason=${event.reason}`
);
console.log(`[Connection, ${this.shortUrl}, ${this.connectionId}] Connection closed cleanly, code=${event.code} reason=${event.reason}`);
this.ws = null;
} else {
const retrySeconds =
retryBackoffSeconds[
Math.min(this.retryCount, retryBackoffSeconds.length - 1)
];
const retrySeconds = retryBackoffSeconds[Math.min(this.retryCount, retryBackoffSeconds.length - 1)];
this.retryCount++;
console.log(
`[Connection, ${this.shortUrl}, ${this.connectionId}] Connection died, retrying in ${retrySeconds} seconds`
);
console.log(`[Connection, ${this.shortUrl}, ${this.connectionId}] Connection died, retrying in ${retrySeconds} seconds`);
this.retryTimeout = setTimeout(() => this.start(), retrySeconds * 1000);
this.onStateChanged(this.subscriptionId, ConnectionState.Connecting);
}
};
this.ws.onerror = (event) => {
console.log(
`[Connection, ${this.shortUrl}, ${this.connectionId}] Error occurred: ${event}`,
event
);
console.log(`[Connection, ${this.shortUrl}, ${this.connectionId}] Error occurred: ${event}`, event);
};
}
close() {
console.log(
`[Connection, ${this.shortUrl}, ${this.connectionId}] Closing connection`
);
console.log(`[Connection, ${this.shortUrl}, ${this.connectionId}] Closing connection`);
const socket = this.ws;
const retryTimeout = this.retryTimeout;
if (socket !== null) {