[BUG] Unable to download backup file from UI

[sandrobordacchini]

Describe the bug The Download Backup button returns an error

To Reproduce Steps to reproduce the behavior:

1. Go to 'System Settings -> Backup and Restore'
2. Click on 'Download Backup' button
3. See error: {"error":"server","msg":"send_file() got an unexpected keyword argument 'attachment_filename'"}

Expected behavior Download of backup (an sql file) was expected

Screenshots When this happens i get in /var/log/dsiprouter.log:

[2023-04-13 14:37:42] [5141->140142923573056] [ERROR]: ((( EXCEPTION )))
[CLASS]: <class 'TypeError'>
[VALUE]: send_file() got an unexpected keyword argument 'attachment_filename'
((( BACKTRACE )))
[FILE]: /opt/dsiprouter/gui/modules/api/api_routes.py
[LINE NUM]: 2712
[FUNCTION]: createBackup()
[SOURCE]: return send_file(backup_path, attachment_filename=backup_name, as_attachment=True), StatusCodes.HTTP_OK

Server Info:

• OS: Linux lbvms 4.19.0-23-amd64 #1 SMP Debian 4.19.269-1 (2022-12-20) x86_64 GNU/Linux
• Distro: Debian GNU/Linux 10 (buster)
• dSIPRouter Version: 0.72 (6cd2148a5bf653dc958fd0f571a1d9c3a8457dee)
• Kamailio Version: kamailio 5.5.6 (x86_64/linux)
• Python Package Versions: see python3.txt attached file

Client Info:

• Device: PC
• OS: Windows 10
• Client Software: Chrome 111

Additional context I have a similar installation (same OS) with a dsiprouter 0.70 (8b22e9b31399a0fe4c58969bd63304518fbb5539) and the download works ok.

[devopsec]

Flask API for send_file changed in the newer version.
ref: https://flask.palletsprojects.com/en/2.2.x/api/#flask.send_file

[devopsec]

resolved in v0.721