diff options
| -rw-r--r-- | lib/history.js | 15 | ||||
| -rw-r--r-- | lib/models/note.js | 6 |
2 files changed, 19 insertions, 2 deletions
diff --git a/lib/history.js b/lib/history.js index c7d2472c..9c389bfa 100644 --- a/lib/history.js +++ b/lib/history.js @@ -31,6 +31,15 @@ function getHistory (userid, callback) { history = JSON.parse(user.history) // migrate LZString encoded note id to base64url encoded note id for (let i = 0, l = history.length; i < l; i++) { + // Calculate minimal string length for an UUID that is encoded + // base64 encoded and optimize comparsion by using -1 + // this should make a lot of LZ-String parsing errors obsolete + // as we can assume that a nodeId that is 48 chars or longer is a + // noteID. + const base64UuidLength = ((4 * 36) / 3) - 1 + if (!(history[i].id.length > base64UuidLength)) { + continue + } try { let id = LZString.decompressFromBase64(history[i].id) if (id && models.Note.checkNoteIdValid(id)) { @@ -38,7 +47,11 @@ function getHistory (userid, callback) { } } catch (err) { // most error here comes from LZString, ignore - logger.error(err) + if (err.message === 'Cannot read property \'charAt\' of undefined') { + logger.warning('Looks like we can not decode "' + history[i].id + '" with LZString. Can be ignored.') + } else { + logger.error(err) + } } } history = parseHistoryToObject(history) diff --git a/lib/models/note.js b/lib/models/note.js index ec7e2b13..0e8dd4dd 100644 --- a/lib/models/note.js +++ b/lib/models/note.js @@ -227,7 +227,11 @@ module.exports = function (sequelize, DataTypes) { var id = LZString.decompressFromBase64(noteId) if (id && Note.checkNoteIdValid(id)) { return callback(null, id) } else { return _callback(null, null) } } catch (err) { - logger.error(err) + if (err.message === 'Cannot read property \'charAt\' of undefined') { + logger.warning('Looks like we can not decode "' + noteId + '" with LZString. Can be ignored.') + } else { + logger.error(err) + } return _callback(null, null) } }, |