Extracts all attachments from the given UBL Invoice XML.

Returns a list of attachment maps containing:

• :id - The document reference ID
• :type - Either :embedded or :external
• :filename - The filename (for embedded attachments)
• :mime_type - The MIME type (for embedded attachments)
• :content - The decoded binary content (for embedded attachments)
• :uri - The external URI (for external references)

Parameters

• xml - UBL Invoice XML document as a string

Examples

iex> xml = File.read!("priv/examples/signed_with_pdf.xml")
iex> {:ok, attachments} = ExCius.extract_attachments(xml)
iex> length(attachments)
1

Extracts all attachments from the given UBL Invoice XML.

Returns a list of attachment maps. Raises on error.

Parameters

• xml - UBL Invoice XML document as a string

Examples

iex> xml = File.read!("priv/examples/signed_with_pdf.xml")
iex> attachments = ExCius.extract_attachments!(xml)
iex> length(attachments)
1

Checks if the given UBL Invoice XML is digitally signed.

Returns true if signed, false otherwise. Raises on error.

Parameters

• xml - UBL Invoice XML document as a string

Examples

iex> xml = File.read!("priv/examples/signed_with_pdf.xml")
iex> ExCius.signed!(xml)
true

Checks if the given UBL Invoice XML is digitally signed.

Returns {:ok, true} if the invoice contains a digital signature, {:ok, false} otherwise.

Parameters

• xml - UBL Invoice XML document as a string

Examples

iex> xml = File.read!("priv/examples/signed_with_pdf.xml")
iex> ExCius.signed?(xml)
{:ok, true}