Filename validator

[mpivchev]

We need to cover the following use-cases for this feature

• [Create a New Document] Tap the plus button on the home screen, select "New Document," and enter a file name for the new document.
• [Rename a File] Tap the three dots icon at the end of any file in the list, and select "Rename."
• [Rename a File From File Details] Go to "File Details". From the top right, tap the three dots icon, select "Rename," and test it.
• [Create a New Folder] Tap the plus button on the home screen, select "New Folder," and enter a name for the new folder.
• [Move or Copy file to Any Folder] Tap the three dots icon at the end of any file in the list, and select "Move" or "Copy." Attempt to move or copy to both an invalid and a valid folder path.
• [Share a File From Other Any App] From any other app, try to share a file with the Nextcloud Files app. If the shared file contains invalid characters or reserved name, user must receive feedback, and the operation should not be allowed.
• [Upload Contents From Other Apps] Tap the plus button on the home screen, select "Upload Contents from Other Apps." If the contents include a path, the user must receive feedback, and the operation should not be allowed.
• [Create a New File From Other File Manager Apps] User can create forbidden file names from native files app such as Google Files.
• [Create a New Template] User may have a template for creating office files such as new presentation and new text document etc Not needed for iOS

Edit:

• Add checks when scanning files

[marinofaggiana]

Upload photo or video - Rename file

[marinofaggiana]

Share extension "..." don't works ? pls check