def test_sv_mdp_type():
sv_dict = fields.SigSeedValueSpec().as_pdf_object()
assert '/MDP' not in sv_dict
sv_dict = fields.SigSeedValueSpec(
seed_signature_type=fields.SeedSignatureType(None)).as_pdf_object()
assert sv_dict['/MDP'] == generic.DictionaryObject(
{pdf_name('/P'): generic.NumberObject(0)})
sv_dict = fields.SigSeedValueSpec(
seed_signature_type=fields.SeedSignatureType(
fields.MDPPerm.NO_CHANGES)).as_pdf_object()
assert sv_dict['/MDP'] == generic.DictionaryObject(
{pdf_name('/P'): generic.NumberObject(1)})
sv_spec = fields.SigSeedValueSpec.from_pdf_object(
generic.DictionaryObject({
pdf_name('/MDP'):
generic.DictionaryObject({pdf_name('/P'): generic.NumberObject(0)})
}))
assert sv_spec.seed_signature_type == fields.SeedSignatureType(None)
sv_spec = fields.SigSeedValueSpec.from_pdf_object(
generic.DictionaryObject({
pdf_name('/MDP'):
generic.DictionaryObject({pdf_name('/P'): generic.NumberObject(2)})
}))
assert sv_spec.seed_signature_type == fields.SeedSignatureType(
fields.MDPPerm.FILL_FORMS)
with pytest.raises(SigningError):
fields.SigSeedValueSpec.from_pdf_object(
generic.DictionaryObject({
pdf_name('/MDP'):
generic.DictionaryObject(
{pdf_name('/P'): generic.NumberObject(5)})
}))
with pytest.raises(SigningError):
fields.SigSeedValueSpec.from_pdf_object(
generic.DictionaryObject({
pdf_name('/MDP'):
generic.DictionaryObject(
{pdf_name('/P'): generic.NullObject()})
}))
with pytest.raises(SigningError):
fields.SigSeedValueSpec.from_pdf_object(
generic.DictionaryObject(
{pdf_name('/MDP'): generic.DictionaryObject()}))
with pytest.raises(SigningError):
fields.SigSeedValueSpec.from_pdf_object(
generic.DictionaryObject({pdf_name('/MDP'): generic.NullObject()}))
def test_sv_mdp_must_certify_wrong_docmdp():
sv = fields.SigSeedValueSpec(seed_signature_type=fields.SeedSignatureType(
fields.MDPPerm.FILL_FORMS), )
meta = signers.PdfSignatureMetadata(
field_name='Sig',
certify=True,
docmdp_permissions=fields.MDPPerm.NO_CHANGES)
with pytest.raises(SigningError):
sign_with_sv(sv, meta)
def test_sv_mdp_no_certify():
sv = fields.SigSeedValueSpec(
seed_signature_type=fields.SeedSignatureType(), )
meta = signers.PdfSignatureMetadata(field_name='Sig')
sign_with_sv(sv, meta)
meta = signers.PdfSignatureMetadata(field_name='Sig', certify=True)
with pytest.raises(SigningError):
sign_with_sv(sv, meta)
meta = signers.PdfSignatureMetadata(field_name='Sig', certify=True)
sign_with_sv(sv, meta, test_violation=True)