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Code Issues Releases Wiki Activity

Fix crash loading large files

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Attempts to load large files are neutered with a warning message

Is 100MB the right limit?
This commit is contained in:
Jeremy Ruston 2025-03-21 14:48:01 +00:00
parent 0b3efc2771
commit 55dbce10f4
2 changed files with 14 additions and 2 deletions
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12
boot/boot.js
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@ -1902,8 +1902,16 @@ $tw.loadTiddlersFromFile = function(filepath,fields) {
extensionInfo = $tw.utils.getFileExtensionInfo(ext), extensionInfo = $tw.utils.getFileExtensionInfo(ext),
type = extensionInfo ? extensionInfo.type : null, type = extensionInfo ? extensionInfo.type : null,
typeInfo = type ? $tw.config.contentTypeInfo[type] : null, typeInfo = type ? $tw.config.contentTypeInfo[type] : null,
data = fs.readFileSync(filepath,typeInfo ? typeInfo.encoding : "utf8"), fileSize = fs.statSync(filepath).size,
tiddlers = $tw.wiki.deserializeTiddlers(ext,data,fields), data;
if(fileSize > $tw.config.maxEditFileSize) {
data = "File " + filepath + "not loaded because it is too large";
console.log("Warning: " + data);
ext = ".txt";
} else {
data = fs.readFileSync(filepath,typeInfo ? typeInfo.encoding : "utf8");
}
var tiddlers = $tw.wiki.deserializeTiddlers(ext,data,fields),
metadata = $tw.loadMetadataForFile(filepath); metadata = $tw.loadMetadataForFile(filepath);
if(metadata) { if(metadata) {
if(type === "application/json") { if(type === "application/json") {

4
boot/bootprefix.js
View File

@ -19,6 +19,10 @@ var _bootprefix = (function($tw) {
$tw = $tw || Object.create(null); $tw = $tw || Object.create(null);
$tw.boot = $tw.boot || Object.create(null); $tw.boot = $tw.boot || Object.create(null);
// Config
$tw.config = $tw.config || Object.create(null);
$tw.config.maxEditFileSize = 100 * 1024 * 1024; // 100MB
// Detect platforms // Detect platforms
if(!("browser" in $tw)) { if(!("browser" in $tw)) {
$tw.browser = typeof(window) !== "undefined" && typeof(document) !== "undefined" ? {} : null; $tw.browser = typeof(window) !== "undefined" && typeof(document) !== "undefined" ? {} : null;