Video File was marked as uploaded, but file size is much smaller / file corrupted

[GAS85]

⚠️ Before posting ⚠️

• This is a bug, not a question or an enhancement.
• I've searched for similar issues and didn't find a duplicate.
• I've written a clear and descriptive title for this issue, not just "Bug" or "Crash".
• I agree to follow Nextcloud's Code of Conduct.

Steps to reproduce

1. Setup Video auto upload
2. Make a video around 200+ MB
3. Upload will be triggered on a poor connection (upload speed 1,2 Mbps).
4. See multiple retries and errors in NC Server logs
5. Finally file marked as uploaded
6. Check file on a server and it has totally different size: 34 MB, vs 200+ MB original file.
   

Expected behaviour

App can check if file was uploaded successfully even with network errors and retries. At least final File size must be compared, better is to implement checksum comparison such as SHA256

Actual behaviour

There is no file size or any checksum comparison after upload, if file was corrupted, user will never know about this issue till he need this file...

Android version

14

Device brand and model

Samsung Galaxy S21 FE

Stock or custom OS?

Stock

Nextcloud android app version

3.29.0

Nextcloud server version

27.1.9

Using a reverse proxy?

No

Android logs

No response

Server error logs

{"reqId":"7BikhEPL8fyMuKuyfKUk","level":3,"time":"2024-05-07T10:26:07+00:00","remoteAddr":"256.256.256.256","user":"USER","app":"no app in context","method":"PUT","url":"/remote.php/dav/uploads/USER/c13848381ac9cc02b15f8c9ef9160fb2/000003","message":"Expected filesize of 40128855 bytes but read (from Nextcloud client) and wrote (to Nextcloud storage) 31105024 bytes. Could either be a network problem on the sending side or a problem writing to the storage on the server side.","userAgent":"Mozilla/5.0 (Android) Nextcloud-android/3.29.0","version":"27.1.9.1","exception":{"Exception":"Sabre\\DAV\\Exception\\BadRequest","Message":"Expected filesize of 40128855 bytes but read (from Nextcloud client) and wrote (to Nextcloud storage) 31105024 bytes. Could either be a network problem on the sending side or a problem writing to the storage on the server side.","Code":0,"Trace":[{"file":"/var/www/nextcloud/apps/dav/lib/Connector/Sabre/Directory.php","line":149,"function":"put","class":"OCA\\DAV\\Connector\\Sabre\\File","type":"->"},{"file":"/var/www/nextcloud/apps/dav/lib/Upload/UploadFolder.php","line":50,"function":"createFile","class":"OCA\\DAV\\Connector\\Sabre\\Directory","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"/var/www/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php","line":1098,"function":"createFile","class":"OCA\\DAV\\Upload\\UploadFolder","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"/var/www/nextcloud/3rdparty/sabre/dav/lib/DAV/CorePlugin.php","line":504,"function":"createFile","class":"Sabre\\DAV\\Server","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"/var/www/nextcloud/3rdparty/sabre/event/lib/WildcardEmitterTrait.php","line":89,"function":"httpPut","class":"Sabre\\DAV\\CorePlugin","type":"->"},{"file":"/var/www/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php","line":472,"function":"emit","class":"Sabre\\DAV\\Server","type":"->"},{"file":"/var/www/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php","line":253,"function":"invokeMethod","class":"Sabre\\DAV\\Server","type":"->"},{"file":"/var/www/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php","line":321,"function":"start","class":"Sabre\\DAV\\Server","type":"->"},{"file":"/var/www/nextcloud/apps/dav/lib/Server.php","line":368,"function":"exec","class":"Sabre\\DAV\\Server","type":"->"},{"file":"/var/www/nextcloud/apps/dav/appinfo/v2/remote.php","line":35,"function":"exec","class":"OCA\\DAV\\Server","type":"->"},{"file":"/var/www/nextcloud/remote.php","line":172,"args":["/var/www/nextcloud/apps/dav/appinfo/v2/remote.php"],"function":"require_once"}],"File":"/var/www/nextcloud/apps/dav/lib/Connector/Sabre/File.php","Line":297,"message":"Expected filesize of 40128855 bytes but read (from Nextcloud client) and wrote (to Nextcloud storage) 31105024 bytes. Could either be a network problem on the sending side or a problem writing to the storage on the server side.","exception":[],"CustomMessage":"Expected filesize of 40128855 bytes but read (from Nextcloud client) and wrote (to Nextcloud storage) 31105024 bytes. Could either be a network problem on the sending side or a problem writing to the storage on the server side."},"id":"663a07385952c"}

Same as formatted JSON

{
   "app" : "no app in context",
   "exception" : {
      "Code" : 0,
      "CustomMessage" : "Expected filesize of 40128855 bytes but read (from Nextcloud client) and wrote (to Nextcloud storage) 31105024 bytes. Could either be a network problem on the sending side or a problem writing to the storage on the server side.",
      "Exception" : "Sabre\\DAV\\Exception\\BadRequest",
      "File" : "/var/www/nextcloud/apps/dav/lib/Connector/Sabre/File.php",
      "Line" : 297,
      "Message" : "Expected filesize of 40128855 bytes but read (from Nextcloud client) and wrote (to Nextcloud storage) 31105024 bytes. Could either be a network problem on the sending side or a problem writing to the storage on the server side.",
      "Trace" : [
         {
            "class" : "OCA\\DAV\\Connector\\Sabre\\File",
            "file" : "/var/www/nextcloud/apps/dav/lib/Connector/Sabre/Directory.php",
            "function" : "put",
            "line" : 149,
            "type" : "->"
         },
         {
            "args" : [
               "*** sensitive parameters replaced ***"
            ],
            "class" : "OCA\\DAV\\Connector\\Sabre\\Directory",
            "file" : "/var/www/nextcloud/apps/dav/lib/Upload/UploadFolder.php",
            "function" : "createFile",
            "line" : 50,
            "type" : "->"
         },
         {
            "args" : [
               "*** sensitive parameters replaced ***"
            ],
            "class" : "OCA\\DAV\\Upload\\UploadFolder",
            "file" : "/var/www/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php",
            "function" : "createFile",
            "line" : 1098,
            "type" : "->"
         },
         {
            "args" : [
               "*** sensitive parameters replaced ***"
            ],
            "class" : "Sabre\\DAV\\Server",
            "file" : "/var/www/nextcloud/3rdparty/sabre/dav/lib/DAV/CorePlugin.php",
            "function" : "createFile",
            "line" : 504,
            "type" : "->"
         },
         {
            "class" : "Sabre\\DAV\\CorePlugin",
            "file" : "/var/www/nextcloud/3rdparty/sabre/event/lib/WildcardEmitterTrait.php",
            "function" : "httpPut",
            "line" : 89,
            "type" : "->"
         },
         {
            "class" : "Sabre\\DAV\\Server",
            "file" : "/var/www/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php",
            "function" : "emit",
            "line" : 472,
            "type" : "->"
         },
         {
            "class" : "Sabre\\DAV\\Server",
            "file" : "/var/www/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php",
            "function" : "invokeMethod",
            "line" : 253,
            "type" : "->"
         },
         {
            "class" : "Sabre\\DAV\\Server",
            "file" : "/var/www/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php",
            "function" : "start",
            "line" : 321,
            "type" : "->"
         },
         {
            "class" : "Sabre\\DAV\\Server",
            "file" : "/var/www/nextcloud/apps/dav/lib/Server.php",
            "function" : "exec",
            "line" : 368,
            "type" : "->"
         },
         {
            "class" : "OCA\\DAV\\Server",
            "file" : "/var/www/nextcloud/apps/dav/appinfo/v2/remote.php",
            "function" : "exec",
            "line" : 35,
            "type" : "->"
         },
         {
            "args" : [
               "/var/www/nextcloud/apps/dav/appinfo/v2/remote.php"
            ],
            "file" : "/var/www/nextcloud/remote.php",
            "function" : "require_once",
            "line" : 172
         }
      ],
      "exception" : [],
      "message" : "Expected filesize of 40128855 bytes but read (from Nextcloud client) and wrote (to Nextcloud storage) 31105024 bytes. Could either be a network problem on the sending side or a problem writing to the storage on the server side."
   },
   "id" : "663a07385952c",
   "level" : 3,
   "message" : "Expected filesize of 40128855 bytes but read (from Nextcloud client) and wrote (to Nextcloud storage) 31105024 bytes. Could either be a network problem on the sending side or a problem writing to the storage on the server side.",
   "method" : "PUT",
   "remoteAddr" : "256.256.256.256",
   "reqId" : "7BikhEPL8fyMuKuyfKUk",
   "time" : "2024-05-07T10:26:07+00:00",
   "url" : "/remote.php/dav/uploads/USER/c13848381ac9cc02b15f8c9ef9160fb2/000003",
   "user" : "USER",
   "userAgent" : "Mozilla/5.0 (Android) Nextcloud-android/3.29.0",
   "version" : "27.1.9.1"
}

Additional information

I do not have laptop to access my phone with logcat during vacation.