DorianNiemiecSVRJS/svrjs
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Improved reliability while loading server-side JavaScript.

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Dorian Niemiec 2023-08-04 21:19:23 +02:00
parent d4e230fda1
commit d15373aa8e
4 changed files with 22 additions and 15 deletions
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6
index.html
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@ -1,7 +1,7 @@
<!DOCTYPE html> <!DOCTYPE html>
<html> <html>
<head> <head>
<title>SVR.JS 3.6.3</title> <title>SVR.JS 3.6.4</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta charset="UTF-8" /> <meta charset="UTF-8" />
<style> <style>
@ -12,7 +12,7 @@
</style> </style>
</head> </head>
<body> <body>
<h1>Welcome to SVR.JS 3.6.3</h1> <h1>Welcome to SVR.JS 3.6.4</h1>
<br/> <br/>
<img src="/logo.png" style="width: 256px;" /> <img src="/logo.png" style="width: 256px;" />
<br/> <br/>
@ -110,7 +110,7 @@
</div> </div>
<p>Changes:</p> <p>Changes:</p>
<ul> <ul>
<li>Fixed bug with directory listing generating invalid HTML with custom head containing <i>&lt;html&gt;</i> tag with attributes.</li> <li>Improved reliability while loading server-side JavaScript.</li>
</ul> </ul>
<p>Bugs:</p> <p>Bugs:</p>
<ul> <ul>

8
licenses/index.html
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@ -1,7 +1,7 @@
<!DOCTYPE html> <!DOCTYPE html>
<html> <html>
<head> <head>
<title>SVR.JS 3.6.3 Licenses</title> <title>SVR.JS 3.6.4 Licenses</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta charset="UTF-8" /> <meta charset="UTF-8" />
<style> <style>
@ -12,8 +12,8 @@
</style> </style>
</head> </head>
<body> <body>
<h1>SVR.JS 3.6.3 Licenses</h1> <h1>SVR.JS 3.6.4 Licenses</h1>
<h2>SVR.JS 3.6.3</h2> <h2>SVR.JS 3.6.4</h2>
<div style="display: inline-block; text-align: left; border-width: 2px; border-style: solid; border-color: gray; padding: 8px;"> <div style="display: inline-block; text-align: left; border-width: 2px; border-style: solid; border-color: gray; padding: 8px;">
MIT License<br/> MIT License<br/>
<br/> <br/>
@ -37,7 +37,7 @@
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE<br/> OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE<br/>
SOFTWARE.<br/> SOFTWARE.<br/>
</div> </div>
<h2>Packages used by SVR.JS 3.6.3 and utilities</h2> <h2>Packages used by SVR.JS 3.6.4 and utilities</h2>
<div style="width: 100%; background-color: #ccc; border: 1px solid green; text-align: left; margin: 10px 0;"> <div style="width: 100%; background-color: #ccc; border: 1px solid green; text-align: left; margin: 10px 0;">
<div style="float: right;">License: MIT</div> <div style="float: right;">License: MIT</div>
<div style="font-size: 20px;"> <div style="font-size: 20px;">

19
svr.js
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@ -77,7 +77,7 @@ function deleteFolderRecursive(path) {
} }
var os = require("os"); var os = require("os");
var version = "3.6.3"; var version = "3.6.4";
var singlethreaded = false; var singlethreaded = false;
if (process.versions) process.versions.svrjs = version; //Inject SVR.JS into process.versions if (process.versions) process.versions.svrjs = version; //Inject SVR.JS into process.versions
@ -1234,6 +1234,13 @@ if (!disableMods) {
modloaderFolderName = ".modloader_w" + Math.floor(Math.random() * 65536); modloaderFolderName = ".modloader_w" + Math.floor(Math.random() * 65536);
} }
// Define the temporary server-side JavaScript file name
var tempServerSideScriptName = "serverSideScript.js";
if (!process.isBun && cluster.isMaster === false) {
// If not the master process and it's not Bun, create a unique temporary server-side JavaScript file name for each worker
tempServerSideScriptName = ".serverSideScript_w" + Math.floor(Math.random() * 65536) + ".js";
}
// Iterate through the list of mod files // Iterate through the list of mod files
for (var i = 0; i < modFiles.length; i++) { for (var i = 0; i < modFiles.length; i++) {
// Build the path to the current mod file // Build the path to the current mod file
@ -1342,20 +1349,20 @@ if (!disableMods) {
var modhead = "var readline = require('readline');\r\nvar os = require('os');\r\nvar http = require('http');\r\nvar url = require('url');\r\nvar fs = require('fs');\r\nvar path = require('path');\r\n" + (hexstrbase64 === undefined ? "" : "var hexstrbase64 = require('../hexstrbase64/index.js');\r\n") + (crypto.__disabled__ === undefined ? "var crypto = require('crypto');\r\nvar https = require('https');\r\n" : "") + "var stream = require('stream');\r\nvar customvar1;\r\nvar customvar2;\r\nvar customvar3;\r\nvar customvar4;\r\n\r\nfunction Mod() {}\r\nMod.prototype.callback = function callback(req, res, serverconsole, responseEnd, href, ext, uobject, search, defaultpage, users, page404, head, foot, fd, elseCallback, configJSON, callServerError, getCustomHeaders, origHref, redirect, parsePostData) {\r\nreturn function () {\r\nvar disableEndElseCallbackExecute = false;\r\nfunction filterHeaders(headers){for(var jsn=JSON.stringify(headers,null,2).split('\\n'),njsn=[\"{\"],i=1;i<jsn.length-1;i++)0!==jsn[i].replace(/ /g,\"\").indexOf('\":')&&(eval(\"var value = \"+(\",\"==jsn[i][jsn[i].length-1]?jsn[i].substring(0,jsn[i].length-1):jsn[i]).split('\": ')[1]),\",\"==jsn[i][jsn[i].length-1]&&i==jsn.length-2?njsn.push(jsn[i].substring(0,jsn[i].length-1)):null!=value&&njsn.push(jsn[i]));return njsn.push(\"}\"),JSON.parse(njsn.join(os.EOL))}\r\n"; var modhead = "var readline = require('readline');\r\nvar os = require('os');\r\nvar http = require('http');\r\nvar url = require('url');\r\nvar fs = require('fs');\r\nvar path = require('path');\r\n" + (hexstrbase64 === undefined ? "" : "var hexstrbase64 = require('../hexstrbase64/index.js');\r\n") + (crypto.__disabled__ === undefined ? "var crypto = require('crypto');\r\nvar https = require('https');\r\n" : "") + "var stream = require('stream');\r\nvar customvar1;\r\nvar customvar2;\r\nvar customvar3;\r\nvar customvar4;\r\n\r\nfunction Mod() {}\r\nMod.prototype.callback = function callback(req, res, serverconsole, responseEnd, href, ext, uobject, search, defaultpage, users, page404, head, foot, fd, elseCallback, configJSON, callServerError, getCustomHeaders, origHref, redirect, parsePostData) {\r\nreturn function () {\r\nvar disableEndElseCallbackExecute = false;\r\nfunction filterHeaders(headers){for(var jsn=JSON.stringify(headers,null,2).split('\\n'),njsn=[\"{\"],i=1;i<jsn.length-1;i++)0!==jsn[i].replace(/ /g,\"\").indexOf('\":')&&(eval(\"var value = \"+(\",\"==jsn[i][jsn[i].length-1]?jsn[i].substring(0,jsn[i].length-1):jsn[i]).split('\": ')[1]),\",\"==jsn[i][jsn[i].length-1]&&i==jsn.length-2?njsn.push(jsn[i].substring(0,jsn[i].length-1)):null!=value&&njsn.push(jsn[i]));return njsn.push(\"}\"),JSON.parse(njsn.join(os.EOL))}\r\n";
var modfoot = "\r\nif(!disableEndElseCallbackExecute) {\r\ntry{\r\nelseCallback();\r\n} catch(err) {\r\n}\r\n}\r\n}\r\n}\r\nmodule.exports = Mod;"; var modfoot = "\r\nif(!disableEndElseCallbackExecute) {\r\ntry{\r\nelseCallback();\r\n} catch(err) {\r\n}\r\n}\r\n}\r\n}\r\nmodule.exports = Mod;";
// Write the modified server side script to the temp folder // Write the modified server side script to the temp folder
fs.writeFileSync(__dirname + "/temp/serverSideScript.js", modhead + fs.readFileSync("./serverSideScript.js") + modfoot); fs.writeFileSync(__dirname + "/temp/" + tempServerSideScriptName, modhead + fs.readFileSync("./serverSideScript.js") + modfoot);
// Initialize variables for server side script loading // Initialize variables for server side script loading
var aMod = undefined; var aMod = undefined;
var amod = undefined; var amod = undefined;
// Attempt to require the custom server side script, retrying up to 8 times in case of syntax errors // Attempt to require the custom server side script, retrying up to 5 times
for (var i = 0; i < 8; i++) { for (var i = 0; i < 5; i++) {
try { try {
aMod = require("./temp/serverSideScript.js"); aMod = require("./temp/" + tempServerSideScriptName);
amod = new aMod(); amod = new aMod();
break; break;
} catch (err) { } catch (err) {
if (i >= 7 || err.name == "SyntaxError") throw err; if (i >= 4 || err.name == "SyntaxError") throw err;
// Wait for a short time before retrying // Wait for a short time before retrying
var now = Date.now(); var now = Date.now();
while (Date.now() - now < 2); while (Date.now() - now < 2);

4
tests.html
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@ -1,7 +1,7 @@
<!DOCTYPE html> <!DOCTYPE html>
<html> <html>
<head> <head>
<title>SVR.JS 3.6.3 Tests</title> <title>SVR.JS 3.6.4 Tests</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta charset="UTF-8" /> <meta charset="UTF-8" />
<style> <style>
@ -12,7 +12,7 @@
</style> </style>
</head> </head>
<body> <body>
<h1>SVR.JS 3.6.3 Tests</h1> <h1>SVR.JS 3.6.4 Tests</h1>
<h2>Directory</h2> <h2>Directory</h2>
<iframe src="/testdir" width="50%" height="300px"></iframe> <iframe src="/testdir" width="50%" height="300px"></iframe>
<h2>Directory (with query)</h2> <h2>Directory (with query)</h2>