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Removed blocking calls from directory listing function

This commit is contained in:
Dorian Niemiec 2024-05-01 07:20:56 +02:00
parent b51ac3e171
commit 34fdd89d37

426
svr.js
View file

@ -3850,200 +3850,256 @@ if (!cluster.isPrimary) {
customHeaders["Content-Type"] = "text/html; charset=utf-8"; customHeaders["Content-Type"] = "text/html; charset=utf-8";
res.writeHead(200, http.STATUS_CODES[200], customHeaders); res.writeHead(200, http.STATUS_CODES[200], customHeaders);
// Read custom header and footer content (if available) var customDirListingHeader = "";
var customDirListingHeader = fs.existsSync(("." + decodeURIComponent(href) + "/.dirhead").replace(/\/+/g, "/")) ? var customDirListingFooter = "";
fs.readFileSync(("." + decodeURIComponent(href) + "/.dirhead").replace(/\/+/g, "/")).toString() :
(fs.existsSync(("." + decodeURIComponent(href) + "/HEAD.html").replace(/\/+/g, "/")) && (os.platform != "win32" || href != "/")) ?
fs.readFileSync(("." + decodeURIComponent(href) + "/HEAD.html").replace(/\/+/g, "/")).toString() :
"";
var customDirListingFooter = fs.existsSync(("." + decodeURIComponent(href) + "/.dirfoot").replace(/\/+/g, "/")) ?
fs.readFileSync(("." + decodeURIComponent(href) + "/.dirfoot").replace(/\/+/g, "/")).toString() :
(fs.existsSync(("." + decodeURIComponent(href) + "/FOOT.html").replace(/\/+/g, "/")) && (os.platform != "win32" || href != "/")) ?
fs.readFileSync(("." + decodeURIComponent(href) + "/FOOT.html").replace(/\/+/g, "/")).toString() :
"";
// Check if custom header has HTML tag function getCustomDirListingHeader(callback) {
var headerHasHTMLTag = customDirListingHeader.replace(/<!--(?:(?:(?!--\>)[\s\S])*|)(?:-->|$)/g, "").match(/<html(?![a-zA-Z0-9])(?:"(?:\\(?:[\s\S]|$)|[^\\"])*(?:"|$)|'(?:\\(?:[\s\S]|$)|[^\\'])*(?:'|$)|[^'">])*(?:>|$)/i); fs.readFile(("." + decodeURIComponent(href) + "/.dirhead").replace(/\/+/g, "/"), function (err, data) {
if (err) {
// Generate HTML head and footer based on configuration and custom content if (err.code == "ENOENT" || err.code == "EISDIR") {
var htmlHead = (!configJSON.enableDirectoryListingWithDefaultHead || head == "" ? if (os.platform != "win32" || href != "/") {
(!headerHasHTMLTag ? fs.readFile(("." + decodeURIComponent(href) + "/HEAD.html").replace(/\/+/g, "/"), function (err, data) {
"<!DOCTYPE html><html><head><title>Directory: " + decodeURIComponent(origHref).replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;") + "</title><meta charset=\"UTF-8\" /><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\" /></head><body>" : if (err) {
customDirListingHeader.replace(/<head>/i, "<head><title>Directory: " + decodeURIComponent(origHref).replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;") + "</title>")) : if (err.code == "ENOENT" || err.code == "EISDIR") {
head.replace(/<head>/i, "<head><title>Directory: " + decodeURIComponent(origHref).replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;") + "</title>")) + callback();
(!headerHasHTMLTag ? customDirListingHeader : "") + } else {
"<h1>Directory: " + decodeURIComponent(origHref).replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;") + "</h1><table id=\"directoryListing\"> <tr> <th></th> <th>Filename</th> <th>Size</th> <th>Date</th> </tr>" + (checkPathLevel(decodeURIComponent(origHref)) < 1 ? "" : "<tr><td style=\"width: 24px;\"><img src=\"/.dirimages/return.png\" width=\"24px\" height=\"24px\" alt=\"[RET]\" /></td><td style=\"word-wrap: break-word; word-break: break-word; overflow-wrap: break-word;\"><a href=\"" + (origHref).replace(/\/+/g, "/").replace(/\/[^\/]*\/?$/, "/") + "\">Return</a></td><td></td><td></td></tr>"); callServerError(500, err);
}
var htmlFoot = "</table><p><i>" + (exposeServerVersion ? "SVR.JS/" + version + " (" + getOS() + "; " + (process.isBun ? ("Bun/v" + process.versions.bun + "; like Node.JS/" + process.version) : ("Node.JS/" + process.version)) + ")" : "SVR.JS").replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;") + (req.headers.host == undefined ? "" : " on " + String(req.headers.host).replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;")) + "</i></p>" + customDirListingFooter + (!configJSON.enableDirectoryListingWithDefaultHead || foot == "" ? "</body></html>" : foot);
if (fs.existsSync("." + decodeURIComponent(href) + "/.maindesc".replace(/\/+/g, "/"))) {
htmlFoot = "</table><hr/>" + fs.readFileSync("." + decodeURIComponent(href) + "/.maindesc".replace(/\/+/g, "/")) + htmlFoot;
}
fs.readdir("." + decodeURIComponent(href), function (err, list) {
try {
if (err) throw err;
list = list.sort();
// Function to get stats for all files in the directory
function getStatsForAllFilesI(fileList, callback, prefix, pushArray, index) {
if (fileList.length == 0) {
callback(pushArray);
return;
}
fs.stat((prefix + "/" + fileList[index]).replace(/\/+/g, "/"), function (err, stats) {
if (err) {
fs.lstat((prefix + "/" + fileList[index]).replace(/\/+/g, "/"), function (err, stats) {
pushArray.push({
name: fileList[index],
stats: err ? null : stats,
errored: true
});
if (index < fileList.length - 1) {
getStatsForAllFilesI(fileList, callback, prefix, pushArray, index + 1);
} else { } else {
callback(pushArray); customDirListingHeader = data.toString();
callback();
} }
}); });
} else { } else {
pushArray.push({ callback();
name: fileList[index],
stats: stats,
errored: false
});
if (index < fileList.length - 1) {
getStatsForAllFilesI(fileList, callback, prefix, pushArray, index + 1);
} else {
callback(pushArray);
}
}
});
}
// Wrapper function to get stats for all files
function getStatsForAllFiles(fileList, prefix, callback) {
if (!prefix) prefix = "";
getStatsForAllFilesI(fileList, callback, prefix, [], 0);
}
// Get stats for all files in the directory and generate the listing
getStatsForAllFiles(list, "." + decodeURIComponent(href), function (filelist) {
var directoryListingRows = [];
for (var i = 0; i < filelist.length; i++) {
if (filelist[i].name[0] !== ".") {
var estats = filelist[i].stats;
var ename = filelist[i].name;
var eext = ename.match(/\.([^.]+)$/);
eext = eext ? eext[1] : "";
var emime = eext ? mime.contentType(eext) : false;
if (filelist[i].errored) {
directoryListingRows.push(
"<tr><td style=\"width: 24px;\"><img src=\"/.dirimages/bad.png\" alt=\"[BAD]\" width=\"24px\" height=\"24px\" /></td><td style=\"word-wrap: break-word; word-break: break-word; overflow-wrap: break-word;\"><a href=\"" +
(href + "/" + encodeURI(ename)).replace(/\/+/g, "/") +
"\">" +
ename.replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;") +
"</a></td><td>-</td><td>" +
(estats ? estats.mtime.toDateString() : "-") +
"</td></tr>\r\n"
);
} else {
var entry = "<tr><td style=\"width: 24px;\"><img src=\"[img]\" alt=\"[alt]\" width=\"24px\" height=\"24px\" /></td><td style=\"word-wrap: break-word; word-break: break-word; overflow-wrap: break-word;\"><a href=\"" +
(origHref + "/" + encodeURIComponent(ename)).replace(/\/+/g, "/") +
(estats.isDirectory() ? "/" : "") +
"\">" +
ename.replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;") +
"</a></td><td>" +
(estats.isDirectory() ? "-" : sizify(estats.size.toString())) +
"</td><td>" +
estats.mtime.toDateString() +
"</td></tr>\r\n";
// Determine the file type and set the appropriate image and alt text
if (estats.isDirectory()) {
entry = entry.replace("[img]", "/.dirimages/directory.png").replace("[alt]", "[DIR]");
} else if (!estats.isFile()) {
entry = "<tr><td style=\"width: 24px;\"><img src=\"[img]\" alt=\"[alt]\" width=\"24px\" height=\"24px\" /></td><td style=\"word-wrap: break-word; word-break: break-word; overflow-wrap: break-word;\"><a href=\"" +
(origHref + "/" + encodeURIComponent(ename)).replace(/\/+/g, "/") +
"\">" +
ename.replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;") +
"</a></td><td>-</td><td>" +
estats.mtime.toDateString() +
"</td></tr>\r\n";
// Determine the special file types (block device, character device, etc.)
if (estats.isBlockDevice()) {
entry = entry.replace("[img]", "/.dirimages/hwdevice.png").replace("[alt]", "[BLK]");
} else if (estats.isCharacterDevice()) {
entry = entry.replace("[img]", "/.dirimages/hwdevice.png").replace("[alt]", "[CHR]");
} else if (estats.isFIFO()) {
entry = entry.replace("[img]", "/.dirimages/fifo.png").replace("[alt]", "[FIF]");
} else if (estats.isSocket()) {
entry = entry.replace("[img]", "/.dirimages/socket.png").replace("[alt]", "[SCK]");
}
} else if (ename.match(/README|LICEN[SC]E/i)) {
entry = entry.replace("[img]", "/.dirimages/important.png").replace("[alt]", "[IMP]");
} else if (eext.match(/^(?:[xs]?html?|xml)$/i)) {
entry = entry.replace("[img]", "/.dirimages/html.png").replace("[alt]", (eext == "xml" ? "[XML]" : "[HTM]"));
} else if (eext == "js") {
entry = entry.replace("[img]", "/.dirimages/javascript.png").replace("[alt]", "[JS ]");
} else if (eext == "php") {
entry = entry.replace("[img]", "/.dirimages/php.png").replace("[alt]", "[PHP]");
} else if (eext == "css") {
entry = entry.replace("[img]", "/.dirimages/css.png").replace("[alt]", "[CSS]");
} else if (emime && emime.split("/")[0] == "image") {
entry = entry.replace("[img]", "/.dirimages/image.png").replace("[alt]", (eext == "ico" ? "[ICO]" : "[IMG]"));
} else if (emime && emime.split("/")[0] == "font") {
entry = entry.replace("[img]", "/.dirimages/font.png").replace("[alt]", "[FON]");
} else if (emime && emime.split("/")[0] == "audio") {
entry = entry.replace("[img]", "/.dirimages/audio.png").replace("[alt]", "[AUD]");
} else if ((emime && emime.split("/")[0] == "text") || eext == "json") {
entry = entry.replace("[img]", "/.dirimages/text.png").replace("[alt]", (eext == "json" ? "[JSO]" : "[TXT]"));
} else if (emime && emime.split("/")[0] == "video") {
entry = entry.replace("[img]", "/.dirimages/video.png").replace("[alt]", "[VID]");
} else if (eext.match(/^(?:zip|rar|bz2|[gb7x]z|lzma|tar)$/i)) {
entry = entry.replace("[img]", "/.dirimages/archive.png").replace("[alt]", "[ARC]");
} else if (eext.match(/^(?:[id]mg|iso|flp)$/i)) {
entry = entry.replace("[img]", "/.dirimages/diskimage.png").replace("[alt]", "[DSK]");
} else {
entry = entry.replace("[img]", "/.dirimages/other.png").replace("[alt]", "[OTH]");
}
directoryListingRows.push(entry);
}
} }
} else {
callServerError(500, err);
} }
// Push the information about empty directory
if (directoryListingRows.length == 0) {
directoryListingRows.push("<tr><td></td><td>No files found</td><td></td><td></td></tr>");
}
// Send the directory listing response
res.end(htmlHead + directoryListingRows.join("") + htmlFoot);
serverconsole.resmessage("Client successfully received content.");
});
} catch (err) {
if (err.code == "ENOENT") {
callServerError(404);
serverconsole.errmessage("Resource not found.");
} else if (err.code == "ENOTDIR") {
callServerError(404); // Assume that file doesn't exist.
serverconsole.errmessage("Resource not found.");
} else if (err.code == "EACCES") {
callServerError(403);
serverconsole.errmessage("Access denied.");
} else if (err.code == "ENAMETOOLONG") {
callServerError(414);
} else if (err.code == "EMFILE") {
callServerError(503);
} else if (err.code == "ELOOP") {
callServerError(508); // The symbolic link loop is detected during file system operations.
serverconsole.errmessage("Symbolic link loop detected.");
} else { } else {
callServerError(500, err); customDirListingHeader = data.toString();
callback();
} }
} });
}
function getCustomDirListingFooter(callback) {
fs.readFile(("." + decodeURIComponent(href) + "/.dirfoot").replace(/\/+/g, "/"), function (err, data) {
if (err) {
if (err.code == "ENOENT" || err.code == "EISDIR") {
if (os.platform != "win32" || href != "/") {
fs.readFile(("." + decodeURIComponent(href) + "/FOOT.html").replace(/\/+/g, "/"), function (err, data) {
if (err) {
if (err.code == "ENOENT" || err.code == "EISDIR") {
callback();
} else {
callServerError(500, err);
}
} else {
customDirListingFooter = data.toString();
callback();
}
});
} else {
callback();
}
} else {
callServerError(500, err);
}
} else {
customDirListingFooter = data.toString();
callback();
}
});
}
// Read custom header and footer content (if available)
getCustomDirListingHeader(function () {
getCustomDirListingFooter(function () {
// Check if custom header has HTML tag
var headerHasHTMLTag = customDirListingHeader.replace(/<!--(?:(?:(?!--\>)[\s\S])*|)(?:-->|$)/g, "").match(/<html(?![a-zA-Z0-9])(?:"(?:\\(?:[\s\S]|$)|[^\\"])*(?:"|$)|'(?:\\(?:[\s\S]|$)|[^\\'])*(?:'|$)|[^'">])*(?:>|$)/i);
// Generate HTML head and footer based on configuration and custom content
var htmlHead = (!configJSON.enableDirectoryListingWithDefaultHead || head == "" ?
(!headerHasHTMLTag ?
"<!DOCTYPE html><html><head><title>Directory: " + decodeURIComponent(origHref).replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;") + "</title><meta charset=\"UTF-8\" /><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\" /></head><body>" :
customDirListingHeader.replace(/<head>/i, "<head><title>Directory: " + decodeURIComponent(origHref).replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;") + "</title>")) :
head.replace(/<head>/i, "<head><title>Directory: " + decodeURIComponent(origHref).replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;") + "</title>")) +
(!headerHasHTMLTag ? customDirListingHeader : "") +
"<h1>Directory: " + decodeURIComponent(origHref).replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;") + "</h1><table id=\"directoryListing\"> <tr> <th></th> <th>Filename</th> <th>Size</th> <th>Date</th> </tr>" + (checkPathLevel(decodeURIComponent(origHref)) < 1 ? "" : "<tr><td style=\"width: 24px;\"><img src=\"/.dirimages/return.png\" width=\"24px\" height=\"24px\" alt=\"[RET]\" /></td><td style=\"word-wrap: break-word; word-break: break-word; overflow-wrap: break-word;\"><a href=\"" + (origHref).replace(/\/+/g, "/").replace(/\/[^\/]*\/?$/, "/") + "\">Return</a></td><td></td><td></td></tr>");
var htmlFoot = "</table><p><i>" + (exposeServerVersion ? "SVR.JS/" + version + " (" + getOS() + "; " + (process.isBun ? ("Bun/v" + process.versions.bun + "; like Node.JS/" + process.version) : ("Node.JS/" + process.version)) + ")" : "SVR.JS").replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;") + (req.headers.host == undefined ? "" : " on " + String(req.headers.host).replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;")) + "</i></p>" + customDirListingFooter + (!configJSON.enableDirectoryListingWithDefaultHead || foot == "" ? "</body></html>" : foot);
if (fs.existsSync("." + decodeURIComponent(href) + "/.maindesc".replace(/\/+/g, "/"))) {
htmlFoot = "</table><hr/>" + fs.readFileSync("." + decodeURIComponent(href) + "/.maindesc".replace(/\/+/g, "/")) + htmlFoot;
}
fs.readdir("." + decodeURIComponent(href), function (err, list) {
try {
if (err) throw err;
list = list.sort();
// Function to get stats for all files in the directory
function getStatsForAllFilesI(fileList, callback, prefix, pushArray, index) {
if (fileList.length == 0) {
callback(pushArray);
return;
}
fs.stat((prefix + "/" + fileList[index]).replace(/\/+/g, "/"), function (err, stats) {
if (err) {
fs.lstat((prefix + "/" + fileList[index]).replace(/\/+/g, "/"), function (err, stats) {
pushArray.push({
name: fileList[index],
stats: err ? null : stats,
errored: true
});
if (index < fileList.length - 1) {
getStatsForAllFilesI(fileList, callback, prefix, pushArray, index + 1);
} else {
callback(pushArray);
}
});
} else {
pushArray.push({
name: fileList[index],
stats: stats,
errored: false
});
if (index < fileList.length - 1) {
getStatsForAllFilesI(fileList, callback, prefix, pushArray, index + 1);
} else {
callback(pushArray);
}
}
});
}
// Wrapper function to get stats for all files
function getStatsForAllFiles(fileList, prefix, callback) {
if (!prefix) prefix = "";
getStatsForAllFilesI(fileList, callback, prefix, [], 0);
}
// Get stats for all files in the directory and generate the listing
getStatsForAllFiles(list, "." + decodeURIComponent(href), function (filelist) {
var directoryListingRows = [];
for (var i = 0; i < filelist.length; i++) {
if (filelist[i].name[0] !== ".") {
var estats = filelist[i].stats;
var ename = filelist[i].name;
var eext = ename.match(/\.([^.]+)$/);
eext = eext ? eext[1] : "";
var emime = eext ? mime.contentType(eext) : false;
if (filelist[i].errored) {
directoryListingRows.push(
"<tr><td style=\"width: 24px;\"><img src=\"/.dirimages/bad.png\" alt=\"[BAD]\" width=\"24px\" height=\"24px\" /></td><td style=\"word-wrap: break-word; word-break: break-word; overflow-wrap: break-word;\"><a href=\"" +
(href + "/" + encodeURI(ename)).replace(/\/+/g, "/") +
"\">" +
ename.replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;") +
"</a></td><td>-</td><td>" +
(estats ? estats.mtime.toDateString() : "-") +
"</td></tr>\r\n"
);
} else {
var entry = "<tr><td style=\"width: 24px;\"><img src=\"[img]\" alt=\"[alt]\" width=\"24px\" height=\"24px\" /></td><td style=\"word-wrap: break-word; word-break: break-word; overflow-wrap: break-word;\"><a href=\"" +
(origHref + "/" + encodeURIComponent(ename)).replace(/\/+/g, "/") +
(estats.isDirectory() ? "/" : "") +
"\">" +
ename.replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;") +
"</a></td><td>" +
(estats.isDirectory() ? "-" : sizify(estats.size.toString())) +
"</td><td>" +
estats.mtime.toDateString() +
"</td></tr>\r\n";
// Determine the file type and set the appropriate image and alt text
if (estats.isDirectory()) {
entry = entry.replace("[img]", "/.dirimages/directory.png").replace("[alt]", "[DIR]");
} else if (!estats.isFile()) {
entry = "<tr><td style=\"width: 24px;\"><img src=\"[img]\" alt=\"[alt]\" width=\"24px\" height=\"24px\" /></td><td style=\"word-wrap: break-word; word-break: break-word; overflow-wrap: break-word;\"><a href=\"" +
(origHref + "/" + encodeURIComponent(ename)).replace(/\/+/g, "/") +
"\">" +
ename.replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;") +
"</a></td><td>-</td><td>" +
estats.mtime.toDateString() +
"</td></tr>\r\n";
// Determine the special file types (block device, character device, etc.)
if (estats.isBlockDevice()) {
entry = entry.replace("[img]", "/.dirimages/hwdevice.png").replace("[alt]", "[BLK]");
} else if (estats.isCharacterDevice()) {
entry = entry.replace("[img]", "/.dirimages/hwdevice.png").replace("[alt]", "[CHR]");
} else if (estats.isFIFO()) {
entry = entry.replace("[img]", "/.dirimages/fifo.png").replace("[alt]", "[FIF]");
} else if (estats.isSocket()) {
entry = entry.replace("[img]", "/.dirimages/socket.png").replace("[alt]", "[SCK]");
}
} else if (ename.match(/README|LICEN[SC]E/i)) {
entry = entry.replace("[img]", "/.dirimages/important.png").replace("[alt]", "[IMP]");
} else if (eext.match(/^(?:[xs]?html?|xml)$/i)) {
entry = entry.replace("[img]", "/.dirimages/html.png").replace("[alt]", (eext == "xml" ? "[XML]" : "[HTM]"));
} else if (eext == "js") {
entry = entry.replace("[img]", "/.dirimages/javascript.png").replace("[alt]", "[JS ]");
} else if (eext == "php") {
entry = entry.replace("[img]", "/.dirimages/php.png").replace("[alt]", "[PHP]");
} else if (eext == "css") {
entry = entry.replace("[img]", "/.dirimages/css.png").replace("[alt]", "[CSS]");
} else if (emime && emime.split("/")[0] == "image") {
entry = entry.replace("[img]", "/.dirimages/image.png").replace("[alt]", (eext == "ico" ? "[ICO]" : "[IMG]"));
} else if (emime && emime.split("/")[0] == "font") {
entry = entry.replace("[img]", "/.dirimages/font.png").replace("[alt]", "[FON]");
} else if (emime && emime.split("/")[0] == "audio") {
entry = entry.replace("[img]", "/.dirimages/audio.png").replace("[alt]", "[AUD]");
} else if ((emime && emime.split("/")[0] == "text") || eext == "json") {
entry = entry.replace("[img]", "/.dirimages/text.png").replace("[alt]", (eext == "json" ? "[JSO]" : "[TXT]"));
} else if (emime && emime.split("/")[0] == "video") {
entry = entry.replace("[img]", "/.dirimages/video.png").replace("[alt]", "[VID]");
} else if (eext.match(/^(?:zip|rar|bz2|[gb7x]z|lzma|tar)$/i)) {
entry = entry.replace("[img]", "/.dirimages/archive.png").replace("[alt]", "[ARC]");
} else if (eext.match(/^(?:[id]mg|iso|flp)$/i)) {
entry = entry.replace("[img]", "/.dirimages/diskimage.png").replace("[alt]", "[DSK]");
} else {
entry = entry.replace("[img]", "/.dirimages/other.png").replace("[alt]", "[OTH]");
}
directoryListingRows.push(entry);
}
}
}
// Push the information about empty directory
if (directoryListingRows.length == 0) {
directoryListingRows.push("<tr><td></td><td>No files found</td><td></td><td></td></tr>");
}
// Send the directory listing response
res.end(htmlHead + directoryListingRows.join("") + htmlFoot);
serverconsole.resmessage("Client successfully received content.");
});
} catch (err) {
if (err.code == "ENOENT") {
callServerError(404);
serverconsole.errmessage("Resource not found.");
} else if (err.code == "ENOTDIR") {
callServerError(404); // Assume that file doesn't exist.
serverconsole.errmessage("Resource not found.");
} else if (err.code == "EACCES") {
callServerError(403);
serverconsole.errmessage("Access denied.");
} else if (err.code == "ENAMETOOLONG") {
callServerError(414);
} else if (err.code == "EMFILE") {
callServerError(503);
} else if (err.code == "ELOOP") {
callServerError(508); // The symbolic link loop is detected during file system operations.
serverconsole.errmessage("Symbolic link loop detected.");
} else {
callServerError(500, err);
}
}
});
});
}); });
} else { } else {
// Directory listing is disabled, call 403 Forbidden error // Directory listing is disabled, call 403 Forbidden error