Allow file:// links in the "Documents" field for contracts

[diegogodoy06]

NetBox Version: Community v4.3.1
Module: Contracts → Documents field (URL to the contract documents)

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Hello NetBox team! 👋

I would like to propose a small but useful enhancement for the Contracts feature.

Currently, the "Documents" field only accepts links that begin with http:// or https://.

Proposal

Enable support for links using the file:// scheme, to allow referencing documents stored on local networks or internal file servers.

Example:
file://10.0.0.0/ti/exemple/Contrato.pdf

Why this matters

Many organizations (including mine) store contracts on internal file servers, often accessed via local network shares.

Allowing file:// links would:

• Improve integration with existing document storage systems;
• Avoid unnecessary duplication just to host documents over HTTP;
• Enhance NetBox as a central source of reference for documentation and compliance.

Security Considerations

I understand that file:// links may have browser-related security implications. To address that, I suggest:

• Making support for file:// links configurable via settings;
• Or displaying a warning when such links are used, leaving the choice to the administrator.

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[llamafilm]

I have never seen contracts in Netbox. Are you talking about a plugin?