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[Bug]: File corruption when moving files with encryption enabled #48174

Open elzody opened 2 months ago

elzody commented 2 months ago

⚠️ This issue respects the following points: ⚠️

Bug description

When encryption is enabled on the server, files become corrupted when moved via the "Move/copy" dialog. The structure of the folders and files I tested is as follows:

This issue does not occur with encryption disabled, and was tested on version 29 of NC Enterprise

Steps to reproduce

  1. Have folder A
  2. Folder A contains files
  3. Select the "Move/copy" action to bring up the dialog
  4. Move folder A somewhere else
  5. Access the files in folder A
  6. The files will be corrupted

Expected behavior

The expected behavior is that, even though encryption is enabled, the files are not corrupted when moved.

Nextcloud Server version

29

Operating system

Debian/Ubuntu

PHP engine version

PHP 8.1

Web server

Apache (supported)

Database engine version

MySQL

Is this bug present after an update or on a fresh install?

Fresh Nextcloud Server install

Are you using the Nextcloud Server Encryption module?

Encryption is Enabled

What user-backends are you using?

Configuration report

{
    "passwordsalt": "***REMOVED SENSITIVE VALUE***",
    "secret": "***REMOVED SENSITIVE VALUE***",
    "trusted_domains": [
        "localhost",
    ],
    "datadirectory": "***REMOVED SENSITIVE VALUE***",
    "default_phone_region": "en",
    "default_language": "en",
    "defaultapp": "dashboard",
    "dbtype": "mysql",
    "version": "28.0.5.2",
    "overwrite.cli.url": "url removed",
    "htaccess.RewriteBase": "\/",
    "bulkupload.enabled": false,
    "forwarded_for_headers": [
        "HTTP_X_FORWARDED_FOR"
    ],
    "simpleSignUpLink.shown": false,
    "allow_user_to_change_display_name": false,
    "dbname": "***REMOVED SENSITIVE VALUE***",
    "dbhost": "***REMOVED SENSITIVE VALUE***",
    "dbport": "",
    "dbtableprefix": "oc_",
    "instanceid": "***REMOVED SENSITIVE VALUE***",
    "mysql.utf8mb4": true,
    "dbuser": "***REMOVED SENSITIVE VALUE***",
    "dbpassword": "***REMOVED SENSITIVE VALUE***",
    "installed": true,
    "filelocking.enabled": true,
    "memcache.local": "\\OC\\Memcache\\APCu",
    "tempdirectory": "\/var\/www\/data\/tmp",
    "redis.cluster": {
        "seeds": "***REMOVED SENSITIVE VALUE***",
        "timeout": 0,
        "read_timeout": 0,
        "failover_mode": 1
    },
    "maintenance": false,
    "loglevel": 2,
    "mail_from_address": "***REMOVED SENSITIVE VALUE***",
    "mail_smtpmode": "smtp",
    "mail_sendmailmode": "smtp",
    "mail_domain": "***REMOVED SENSITIVE VALUE***",
    "mail_smtphost": "***REMOVED SENSITIVE VALUE***",
    "mail_smtpport": "25",
    "updater.server.url": "SENSITIVE DATA REMOVED",
    "updater.release.channel": "enterprise",
    "ldapIgnoreNamingRules": false,
    "ldapProviderFactory": "OCA\\User_LDAP\\LDAPProviderFactory",
    "allow_local_remote_servers": true,
    "onlyoffice": {
        "verify_peer_off": true
    },
    "twofactor_enforced": "true",
    "twofactor_enforced_groups": [],
    "twofactor_enforced_excluded_groups": [
        "admin",
        "test_admin"
    ],
    "maintenance_window_start": 100
}

List of activated Apps

Enabled:
 - activity: 2.20.0
 - admin_audit: 1.18.0
 - bruteforcesettings: 2.8.0
 - camerarawpreviews: 0.8.5
 - cloud_federation_api: 1.11.0
 - comments: 1.18.0
 - contacts: 5.5.3
 - contactsinteraction: 1.9.0
 - dashboard: 7.8.0
 - dav: 1.29.1
 - encryption: 2.16.0
 - federatedfilesharing: 1.18.0
 - federation: 1.18.0
 - files: 2.0.0
 - files_accesscontrol: 1.18.1
 - files_external: 1.20.0
 - files_lock: 28.0.6
 - files_pdfviewer: 2.9.0
 - files_reminders: 1.1.0
 - files_retention: 1.17.2
 - files_sharing: 1.20.0
 - files_trashbin: 1.18.0
 - files_versions: 1.21.0
 - logreader: 2.13.0
 - lookup_server_connector: 1.16.0
 - notifications: 2.16.0
 - oauth2: 1.16.3
 - password_policy: 1.18.0
 - provisioning_api: 1.18.0
 - quota_warning: 1.19.0
 - related_resources: 1.3.0
 - richdocuments: 8.3.9
 - security_guard: 1.2.1
 - sendent: 3.0.12
 - serverinfo: 1.18.0
 - settings: 1.10.1
 - sharebymail: 1.18.0
 - support: 1.11.1
 - systemtags: 1.18.0
 - text: 3.9.1
 - theming: 2.3.0
 - twofactor_backupcodes: 1.17.0
 - updatenotification: 1.18.0
 - user_ldap: 1.19.0
 - user_saml: 6.2.0
 - viewer: 2.2.0
 - workflowengine: 2.10.0
Disabled:
 - circles: 26.0.0
 - drawio: 3.0.2
 - files_antivirus: 5.5.7
 - files_automatedtagging: 1.18.0
 - files_confidential: 3.0.3
 - files_rightclick: 1.6.0
 - firstrunwizard: 2.14.0
 - globalsiteselector
 - nextcloud_announcements: 1.14.0
 - photos: 2.0.0
 - privacy: 1.9.0
 - recommendations: 1.4.0
 - spreed: 18.0.10
 - survey_client: 1.14.0
 - suspicious_login
 - twofactor_totp: 7.0.0
 - user_status: 1.5.0
 - weather_status: 1.5.0

Nextcloud Signing status

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}

Nextcloud Logs

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      {
        "file": "/var/www/html/lib/private/DB/QueryBuilder/QueryBuilder.php",
        "line": 280,
        "function": "execute",
        "class": "Doctrine\\DBAL\\Query\\QueryBuilder",
        "type": "->",
        "args": []
      },
      {
        "file": "/var/www/html/lib/private/Files/Cache/Cache.php",
        "line": 164,
        "function": "execute",
        "class": "OC\\DB\\QueryBuilder\\QueryBuilder",
        "type": "->",
        "args": []
      },
      {
        "file": "/var/www/html/lib/private/Files/Cache/HomeCache.php",
        "line": 57,
        "function": "get",
        "class": "OC\\Files\\Cache\\Cache",
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      },
      {
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        "line": 191,
        "function": "get",
        "class": "OC\\Files\\Cache\\HomeCache",
        "type": "->",
        "args": [
          "files/copied3/root/subfolder_one/de-article-1.jpeg"
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      },
      {
        "file": "/var/www/html/lib/private/Files/Storage/Wrapper/Encryption.php",
        "line": 217,
        "function": "modifyMetaData",
        "class": "OC\\Files\\Storage\\Wrapper\\Encryption",
        "type": "->",
        "args": [
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            1726075288,
            27,
            "de-article-1.jpeg"
          ]
        ]
      },
      {
        "file": "/var/www/html/lib/private/Files/Storage/Wrapper/Wrapper.php",
        "line": 605,
        "function": "getMetaData",
        "class": "OC\\Files\\Storage\\Wrapper\\Encryption",
        "type": "->",
        "args": [
          "files/copied3/root/subfolder_one/de-article-1.jpeg"
        ]
      },
      {
        "file": "/var/www/html/lib/private/Files/Cache/Scanner.php",
        "line": 125,
        "function": "getMetaData",
        "class": "OC\\Files\\Storage\\Wrapper\\Wrapper",
        "type": "->",
        "args": [
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        ]
      },
      {
        "file": "/var/www/html/lib/private/Files/Cache/Scanner.php",
        "line": 162,
        "function": "getData",
        "class": "OC\\Files\\Cache\\Scanner",
        "type": "->",
        "args": [
          "files/copied3/root/subfolder_one/de-article-1.jpeg"
        ]
      },
      {
        "file": "/var/www/html/lib/private/Files/Cache/Scanner.php",
        "line": 357,
        "function": "scanFile",
        "class": "OC\\Files\\Cache\\Scanner",
        "type": "->",
        "args": [
          "files/copied3/root/subfolder_one/de-article-1.jpeg",
          3,
          -1,
          null,
          true
        ]
      },
      {
        "file": "/var/www/html/lib/private/Files/View.php",
        "line": 1347,
        "function": "scan",
        "class": "OC\\Files\\Cache\\Scanner",
        "type": "->",
        "args": [
          "files/copied3/root/subfolder_one/de-article-1.jpeg",
          false
        ]
      },
      {
        "file": "/var/www/html/lib/private/Files/View.php",
        "line": 1383,
        "function": "getCacheEntry",
        "class": "OC\\Files\\View",
        "type": "->",
        "args": [
          [
            "OCA\\Files_Trashbin\\Storage",
            null,
            [
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            [
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            ]
          ],
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          "/admin/files/copied3/root/subfolder_one/de-article-1.jpeg"
        ]
      },
      {
        "file": "/var/www/html/apps/encryption/lib/KeyManager.php",
        "line": 433,
        "function": "getFileInfo",
        "class": "OC\\Files\\View",
        "type": "->",
        "args": [
          "/admin/files/copied3/root/subfolder_one/de-article-1.jpeg"
        ]
      },
      {
        "file": "/var/www/html/apps/encryption/lib/Crypto/Encryption.php",
        "line": 160,
        "function": "getVersion",
        "class": "OCA\\Encryption\\KeyManager",
        "type": "->",
        "args": [
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          [
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          ]
        ]
      },
      {
        "file": "/var/www/html/lib/private/Files/Stream/Encryption.php",
        "line": 284,
        "function": "begin",
        "class": "OCA\\Encryption\\Crypto\\Encryption",
        "type": "->",
        "args": [
          "/admin/files/copied3/root/subfolder_one/de-article-1.jpeg",
          "admin",
          "w",
          [],
          []
        ]
      },
      {
        "function": "stream_open",
        "class": "OC\\Files\\Stream\\Encryption",
        "type": "->",
        "args": [
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          "w",
          0,
          null
        ]
      },
      {
        "file": "/var/www/html/lib/private/Files/Stream/Encryption.php",
        "line": 212,
        "function": "fopen",
        "args": [
          "ocencryption://",
          "w",
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          null
        ]
      },
      {
        "file": "/var/www/html/lib/private/Files/Stream/Encryption.php",
        "line": 187,
        "function": "wrapSource",
        "class": "OC\\Files\\Stream\\Encryption",
        "type": "::",
        "args": [
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          null,
          "ocencryption",
          "OC\\Files\\Stream\\Encryption",
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        ]
      },
      {
        "file": "/var/www/html/lib/private/Files/Storage/Wrapper/Encryption.php",
        "line": 490,
        "function": "wrap",
        "class": "OC\\Files\\Stream\\Encryption",
        "type": "::",
        "args": [
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          "files/copied3/root/subfolder_one/de-article-1.jpeg",
          "/admin/files/copied3/root/subfolder_one/de-article-1.jpeg",
          [],
          "admin",
          [
            "OCA\\Encryption\\Crypto\\Encryption"
          ],
          [
            "OC\\Files\\Storage\\Wrapper\\Quota",
            null,
            null,
            null,
            null,
            null
          ],
          [
            "OC\\Files\\Storage\\Wrapper\\Encryption",
            null,
            null,
            null,
            null,
            null
          ],
          [
            "OC\\Encryption\\Util"
          ],
          [
            "OC\\Encryption\\File"
          ],
          "w",
          0,
          0,
          0,
          true
        ]
      },
      {
        "file": "/var/www/html/lib/private/Files/Storage/Wrapper/Encryption.php",
        "line": 836,
        "function": "fopen",
        "class": "OC\\Files\\Storage\\Wrapper\\Encryption",
        "type": "->",
        "args": [
          "files/copied3/root/subfolder_one/de-article-1.jpeg",
          "w"
        ]
      },
      {
        "file": "/var/www/html/lib/private/Files/Storage/Wrapper/Encryption.php",
        "line": 710,
        "function": "copyBetweenStorage",
        "class": "OC\\Files\\Storage\\Wrapper\\Encryption",
        "type": "->",
        "args": [
          [
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            null,
            null,
            null,
            null,
            null
          ],
          "files/moved/root/subfolder_one/de-article-1.jpeg",
          "files/copied3/root/subfolder_one/de-article-1.jpeg",
          false,
          false
        ]
      },
      {
        "file": "/var/www/html/lib/private/Files/Storage/Wrapper/Encryption.php",
        "line": 829,
        "function": "copyFromStorage",
        "class": "OC\\Files\\Storage\\Wrapper\\Encryption",
        "type": "->",
        "args": [
          [
            "OC\\Files\\Storage\\Wrapper\\Encryption",
            null,
            null,
            null,
            null,
            null
          ],
          "files/moved/root/subfolder_one/de-article-1.jpeg",
          "files/copied3/root/subfolder_one/de-article-1.jpeg",
          false,
          false
        ]
      },
      {
        "file": "/var/www/html/lib/private/Files/Storage/Wrapper/Encryption.php",
        "line": 710,
        "function": "copyBetweenStorage",
        "class": "OC\\Files\\Storage\\Wrapper\\Encryption",
        "type": "->",
        "args": [
          [
            "OC\\Files\\Storage\\Wrapper\\Encryption",
            null,
            null,
            null,
            null,
            null
          ],
          "files/moved/root/subfolder_one",
          "files/copied3/root/subfolder_one",
          false,
          false
        ]
      },
      {
        "file": "/var/www/html/lib/private/Files/Storage/Wrapper/Encryption.php",
        "line": 829,
        "function": "copyFromStorage",
        "class": "OC\\Files\\Storage\\Wrapper\\Encryption",
        "type": "->",
        "args": [
          [
            "OC\\Files\\Storage\\Wrapper\\Encryption",
            null,
            null,
            null,
            null,
            null
          ],
          "files/moved/root/subfolder_one",
          "files/copied3/root/subfolder_one",
          false,
          false
        ]
      },
      {
        "file": "/var/www/html/lib/private/Files/Storage/Wrapper/Encryption.php",
        "line": 710,
        "function": "copyBetweenStorage",
        "class": "OC\\Files\\Storage\\Wrapper\\Encryption",
        "type": "->",
        "args": [
          [
            "OC\\Files\\Storage\\Wrapper\\Encryption",
            null,
            null,
            null,
            null,
            null
          ],
          "files/moved/root",
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          false,
          false
        ]
      },
      {
        "file": "/var/www/html/lib/private/Files/Storage/Wrapper/Encryption.php",
        "line": 377,
        "function": "copyFromStorage",
        "class": "OC\\Files\\Storage\\Wrapper\\Encryption",
        "type": "->",
        "args": [
          [
            "OC\\Files\\Storage\\Wrapper\\Encryption",
            null,
            null,
            null,
            null,
            null
          ],
          "files/moved/root",
          "files/copied3/root"
        ]
      },
      {
        "file": "/var/www/html/lib/private/Files/Storage/Wrapper/Wrapper.php",
        "line": 296,
        "function": "copy",
        "class": "OC\\Files\\Storage\\Wrapper\\Encryption",
        "type": "->",
        "args": [
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        ]
      },
      {
        "file": "/var/www/html/lib/private/Files/View.php",
        "line": 927,
        "function": "copy",
        "class": "OC\\Files\\Storage\\Wrapper\\Wrapper",
        "type": "->",
        "args": [
          "files/moved/root",
          "files/copied3/root"
        ]
      },
      {
        "file": "/var/www/html/apps/dav/lib/Connector/Sabre/Directory.php",
        "line": 486,
        "function": "copy",
        "class": "OC\\Files\\View",
        "type": "->",
        "args": [
          "/moved/root",
          "/copied3/root"
        ]
      },
      {
        "file": "/var/www/html/3rdparty/sabre/dav/lib/DAV/Tree.php",
        "line": 150,
        "function": "copyInto",
        "class": "OCA\\DAV\\Connector\\Sabre\\Directory",
        "type": "->",
        "args": [
          "root",
          "/moved/root",
          [
            "OCA\\DAV\\Connector\\Sabre\\Directory"
          ]
        ]
      },
      {
        "file": "/var/www/html/3rdparty/sabre/dav/lib/DAV/CorePlugin.php",
        "line": 659,
        "function": "copy",
        "class": "Sabre\\DAV\\Tree",
        "type": "->",
        "args": [
          "files/admin/moved/root",
          "files/admin/copied3/root"
        ]
      },
      {
        "file": "/var/www/html/3rdparty/sabre/event/lib/WildcardEmitterTrait.php",
        "line": 89,
        "function": "httpCopy",
        "class": "Sabre\\DAV\\CorePlugin",
        "type": "->",
        "args": [
          [
            "Sabre\\HTTP\\Request"
          ],
          [
            "Sabre\\HTTP\\Response"
          ]
        ]
      },
      {
        "file": "/var/www/html/3rdparty/sabre/dav/lib/DAV/Server.php",
        "line": 472,
        "function": "emit",
        "class": "Sabre\\DAV\\Server",
        "type": "->",
        "args": [
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            [
              "Sabre\\HTTP\\Request"
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            [
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        ]
      },
      {
        "file": "/var/www/html/3rdparty/sabre/dav/lib/DAV/Server.php",
        "line": 253,
        "function": "invokeMethod",
        "class": "Sabre\\DAV\\Server",
        "type": "->",
        "args": [
          [
            "Sabre\\HTTP\\Request"
          ],
          [
            "Sabre\\HTTP\\Response"
          ]
        ]
      },
      {
        "file": "/var/www/html/3rdparty/sabre/dav/lib/DAV/Server.php",
        "line": 321,
        "function": "start",
        "class": "Sabre\\DAV\\Server",
        "type": "->",
        "args": []
      },
      {
        "file": "/var/www/html/apps/dav/lib/Server.php",
        "line": 385,
        "function": "exec",
        "class": "Sabre\\DAV\\Server",
        "type": "->",
        "args": []
      },
      {
        "file": "/var/www/html/apps/dav/appinfo/v2/remote.php",
        "line": 35,
        "function": "exec",
        "class": "OCA\\DAV\\Server",
        "type": "->",
        "args": []
      },
      {
        "file": "/var/www/html/remote.php",
        "line": 172,
        "args": [
          "/var/www/html/apps/dav/appinfo/v2/remote.php"
        ],
        "function": "require_once"
      }
    ],
    "File": "/var/www/html/lib/private/DB/Connection.php",
    "Line": 320,
    "message": "dirty table reads: SELECT `filecache`.`fileid`, `storage`, `path`, `path_hash`, `filecache`.`parent`, `filecache`.`name`, `mimetype`, `mimepart`, `size`, `mtime`, `storage_mtime`, `encrypted`, `etag`, `filecache`.`permissions`, `checksum`, `unencrypted_size`, `metadata_etag`, `creation_time`, `upload_time`, `meta`.`json` AS `meta_json`, `meta`.`sync_token` AS `meta_sync_token` FROM `*PREFIX*filecache` `filecache` LEFT JOIN `*PREFIX*filecache_extended` `fe` ON `filecache`.`fileid` = `fe`.`fileid` LEFT JOIN `*PREFIX*files_metadata` `meta` ON `filecache`.`fileid` = `meta`.`file_id` WHERE (`storage` = :dcValue1) AND (`path_hash` = :dcValue2)",
    "tables": [
      "oc_file_locks",
      "oc_filecache"
    ],
    "reads": [
      "oc_filecache",
      "oc_filecache_extended",
      "oc_files_metadata"
    ],
    "exception": {},
    "CustomMessage": "dirty table reads: SELECT `filecache`.`fileid`, `storage`, `path`, `path_hash`, `filecache`.`parent`, `filecache`.`name`, `mimetype`, `mimepart`, `size`, `mtime`, `storage_mtime`, `encrypted`, `etag`, `filecache`.`permissions`, `checksum`, `unencrypted_size`, `metadata_etag`, `creation_time`, `upload_time`, `meta`.`json` AS `meta_json`, `meta`.`sync_token` AS `meta_sync_token` FROM `*PREFIX*filecache` `filecache` LEFT JOIN `*PREFIX*filecache_extended` `fe` ON `filecache`.`fileid` = `fe`.`fileid` LEFT JOIN `*PREFIX*files_metadata` `meta` ON `filecache`.`fileid` = `meta`.`file_id` WHERE (`storage` = :dcValue1) AND (`path_hash` = :dcValue2)"
  }
}

Additional info

No response

elzody commented 2 months ago

Quick note: The config options, etc. are not mine but the customer's, with all sensitive data removed. The nextcloud.log is one that I recorded after reproducing. (Customer was using v28 but also reproducible on 29)

joshtrichards commented 2 months ago

What do you mean by "corrupted"? What's the actual user experience when this happens?

Also, master key (our default for new installs for awhile now) or per-user key?

artonge commented 2 months ago

I am not able to reproduce. With encryption enabled, I have a folder "A" with files in it, I move the folder "A" inside the folder "B", but the files are still accessible.