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All: Fixes #3696: Increased file extension limit to 20 to prevent issue when using external editors

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This commit is contained in:
Laurent Cozic 2020-09-17 10:17:45 +01:00
parent 07ab0e986d
commit c84e49c71c
1 changed files with 6 additions and 1 deletions
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7
ReactNativeClient/lib/path-utils.js
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@ -40,7 +40,12 @@ function isHidden(path) {
}
function safeFileExtension(e, maxLength = null) {
if (maxLength === null) maxLength = 8;
// In theory the file extension can have any length but in practice Joplin
// expects a fixed length, so we limit it to 20 which should cover most cases.
// Note that it means that a file extension longer than 20 will break
// external editing (since the extension would be truncated).
// https://discourse.joplinapp.org/t/troubles-with-webarchive-files-on-ios/10447
if (maxLength === null) maxLength = 20;
if (!e || !e.replace) return '';
return e.replace(/[^a-zA-Z0-9]/g, '').substr(0, maxLength);
}