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// SPDX-License-Identifier: GPL-2.0-or-later
/* pps-document-signatures.c
* this file is part of papers, a gnome document viewer
*
* Copyright (C) 2022-2024 Jan-Michael Brummer <jan-michael.brummer1@volkswagen.de>
*/
#include "config.h"
#include "pps-document-signatures.h"
G_DEFINE_INTERFACE (PpsDocumentSignatures, pps_document_signatures, 0)
static void
pps_document_signatures_default_init (PpsDocumentSignaturesInterface *klass)
{
}
/**
* pps_document_signatures_set_password_callback:
* @document_signatures: an #PpsDocumentSignatures
* @cb: (scope forever): (closure user_data) an #PpsSignaturePasswordCallback
* @user_data: data to pass to @cb
*
* Popplers crypto backend asks for certificate password before access,
* so set a helper function to actually allow the user to enter his password.
*/
void
pps_document_signatures_set_password_callback (PpsDocumentSignatures *document_signatures,
PpsSignaturePasswordCallback cb,
gpointer user_data)
{
PpsDocumentSignaturesInterface *iface = PPS_DOCUMENT_SIGNATURES_GET_IFACE (document_signatures);
if (iface->set_password_callback)
iface->set_password_callback (document_signatures, cb, user_data);
}
/**
* pps_document_signatures_get_available_signing_certificates:
* @document_signatures: an #PpsDocumentSignatures
*
* Returns: (transfer full) (element-type PpsCertificateInfo): a list of #PpsCertificateInfo objects or %NULL
*/
GList *
pps_document_signatures_get_available_signing_certificates (PpsDocumentSignatures *document_signatures)
{
PpsDocumentSignaturesInterface *iface = PPS_DOCUMENT_SIGNATURES_GET_IFACE (document_signatures);
if (iface->get_available_signing_certificates)
return iface->get_available_signing_certificates (document_signatures);
return NULL;
}
/**
* pps_document_signatures_get_certificate_info:
* @document_signatures: an #PpsDocumentSignatures
* @nick_name: certificate nick name
*
* Returns: (transfer full): a new #PpsCertificateInfo, or %NULL
*/
PpsCertificateInfo *
pps_document_signatures_get_certificate_info (PpsDocumentSignatures *document_signatures,
const char *nick_name)
{
PpsDocumentSignaturesInterface *iface = PPS_DOCUMENT_SIGNATURES_GET_IFACE (document_signatures);
if (iface->get_certificate_info)
return iface->get_certificate_info (document_signatures, nick_name);
return NULL;
}
/**
* pps_document_signatures_sign:
* @document_signatures: an #PpsDocumentSignatures
* @signature: a #PpsSignature
* @cancellable: a #GCancellable
* @callback: a #GAsyncReadyCallback
* @user_data: callback user data
*
* Start the final async process of signing a document using the prepared signature.
*
* Returns: %TRUE if signing has been started,otherwise %FALSE
*/
gboolean
pps_document_signatures_sign (PpsDocumentSignatures *document_signatures,
PpsSignature *signature,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
PpsDocumentSignaturesInterface *iface = PPS_DOCUMENT_SIGNATURES_GET_IFACE (document_signatures);
if (iface->sign) {
iface->sign (document_signatures, signature, cancellable, callback, user_data);
return TRUE;
}
return FALSE;
}
/**
* pps_document_signatures_sign_finish:
* @document_signatures: a #PpsDocumentSignatures
* @result: a #GAsyncResult
* @error: a #Gerror
*
* Finish `pps_document_signatures_sign` operation,
*
* Returns: %TRUE if signing finish has been started,otherwise %FALSE
*/
gboolean
pps_document_signatures_sign_finish (PpsDocumentSignatures *document_signatures,
GAsyncResult *result,
GError **error)
{
PpsDocumentSignaturesInterface *iface = PPS_DOCUMENT_SIGNATURES_GET_IFACE (document_signatures);
if (iface->sign_finish) {
iface->sign_finish (document_signatures, result, error);
return TRUE;
}
return FALSE;
}
/**
* pps_document_signatures_can_sign:
* @document_signatures: a #PpsDocumentSignatures
*
* Checks whether document supports digital signing.
*
* Returns: %TRUE if signing is supported,otherwise %FALSE
*/
gboolean
pps_document_signatures_can_sign (PpsDocumentSignatures *document_signatures)
{
PpsDocumentSignaturesInterface *iface = PPS_DOCUMENT_SIGNATURES_GET_IFACE (document_signatures);
if (iface->can_sign)
return iface->can_sign (document_signatures);
return FALSE;
}
/**
* pps_document_signatures_has_signatures:
* @document_signatures: an #PpsDocumentSignatures
*
* Returns: if the document has digital signatures
*/
gboolean
pps_document_signatures_has_signatures (PpsDocumentSignatures *document_signatures)
{
PpsDocumentSignaturesInterface *iface = PPS_DOCUMENT_SIGNATURES_GET_IFACE (document_signatures);
if (iface->has_signatures)
return iface->has_signatures (document_signatures);
return FALSE;
}
/**
* pps_document_signatures_get_signatures:
* @document_signatures: an #PpsDocumentSignatures
*
* Returns: (element-type PpsSignature) (transfer full): a list of #PpsSignature objects
*/
GList *
pps_document_signatures_get_signatures (PpsDocumentSignatures *document_signatures)
{
PpsDocumentSignaturesInterface *iface = PPS_DOCUMENT_SIGNATURES_GET_IFACE (document_signatures);
if (iface->get_signatures)
return iface->get_signatures (document_signatures);
return NULL;
}
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