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Code Issues Releases Wiki Activity

Revert "Add server sent events (#5279)" (#5880)

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This reverts commit 17b4f53ba2 according to Github Desktop.

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This commit is contained in:
Arlen22
2021-07-14 12:16:57 -04:00
committed by GitHub
parent 0924ca6365
commit be026aa308
8 changed files with 17 additions and 259 deletions
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1
core/modules/server/routes/get-status.js
View File

@@ -21,7 +21,6 @@ exports.handler = function(request,response,state) {
username: state.authenticatedUsername || state.server.get("anon-username") || "",
anonymous: !state.authenticatedUsername,
read_only: !state.server.isAuthorized("writers",state.authenticatedUsername),
sse_enabled: state.server.get("sse-enabled") === "yes",
space: {
recipe: "default"
},

70
core/modules/server/server-sent-events.js
View File

@@ -1,70 +0,0 @@
/*\
title: $:/core/modules/server/server-sent-events.js
type: application/javascript
module-type: library
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
/*
parameters:
prefix - usually the plugin path, such as `plugins/tiddlywiki/tiddlyweb`. The
route will match `/events/${prefix}` exactly.
handler - a function that will be called each time a request comes in with the
request and state from the route and an emit function to call.
*/
var ServerSentEvents = function ServerSentEvents(prefix, handler) {
this.handler = handler;
this.prefix = prefix;
};
ServerSentEvents.prototype.getExports = function() {
return {
bodyFormat: "stream",
method: "GET",
path: new RegExp("^/events/" + this.prefix + "$"),
handler: this.handleEventRequest.bind(this)
};
};
ServerSentEvents.prototype.handleEventRequest = function(request,response,state) {
if(ServerSentEvents.prototype.isEventStreamRequest(request)) {
response.writeHead(200, {
"Content-Type": "text/event-stream",
"Cache-Control": "no-cache",
"Connection": "keep-alive"
});
this.handler(request,state,this.emit.bind(this,response),this.end.bind(this,response));
} else {
response.writeHead(406,"Not Acceptable",{});
response.end();
}
};
ServerSentEvents.prototype.isEventStreamRequest = function(request) {
return request.headers.accept &&
request.headers.accept.match(/^text\/event-stream/);
};
ServerSentEvents.prototype.emit = function(response,event,data) {
if(typeof event !== "string" || event.indexOf("\n") !== -1) {
throw new Error("Type must be a single-line string");
}
if(typeof data !== "string" || data.indexOf("\n") !== -1) {
throw new Error("Data must be a single-line string");
}
response.write("event: " + event + "\ndata: " + data + "\n\n", "utf8");
};
ServerSentEvents.prototype.end = function(response) {
response.end();
};
exports.ServerSentEvents = ServerSentEvents;
})();