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pajowu / signal-backup-decode

Decode Signal Backups
GNU General Public License v3.0
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Use or autodetect MIMEType of file and give it an extension #11

Open antonizoon opened 5 years ago

antonizoon commented 5 years ago

Signal has a MIMEType for each image in its sqlite database which is reliable enough to write file extensions for. This is critical since Windows for example relies solely on file extensions to detect file type, and HTTP servers typically does the same.

As can be seen in Signal-back, it writes file extensions for attachment filenames to disk:

https://github.com/xeals/signal-back/blob/7b9bc2112afa24316da1e2c515e067f69f91d5c4/cmd/extract.go#L116

While I would try to use signal-back instead, it crashes on backup dumps of my size (3-5GB).

mutlusun commented 3 years ago

Hello,

this is fixed in the latest version.