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Add initial support for signature appearance

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This commit is contained in:
Paul van Brouwershaven
2024-12-16 15:05:27 +01:00
parent e5cdb61bea
commit b9112bb85b
10 changed files with 335 additions and 122 deletions
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24
sign/pdfcatalog_test.go
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@@ -15,17 +15,17 @@ var testFiles = []struct {
{
file: "../testfiles/testfile20.pdf",
expectedCatalogs: map[CertType]string{
CertificationSignature: "<<\n /Type /Catalog /Pages 3 0 R /AcroForm << /Fields [10 0 R] /NeedAppearances false /SigFlags 3 >>\n>>\n",
UsageRightsSignature: "<<\n /Type /Catalog /Pages 3 0 R /AcroForm << /Fields [10 0 R] /NeedAppearances false /SigFlags 1 >>\n>>\n",
ApprovalSignature: "<<\n /Type /Catalog /Pages 3 0 R /AcroForm << /Fields [10 0 R] /NeedAppearances false /SigFlags 3 >>\n>>\n",
CertificationSignature: "<<\n /Type /Catalog\n /Pages 3 0 R\n /AcroForm <<\n /Fields [10 0 R]\n /SigFlags 3\n >>\n>>\n",
UsageRightsSignature: "<<\n /Type /Catalog\n /Pages 3 0 R\n /AcroForm <<\n /Fields [10 0 R]\n /SigFlags 1\n >>\n>>\n",
ApprovalSignature: "<<\n /Type /Catalog\n /Pages 3 0 R\n /AcroForm <<\n /Fields [10 0 R]\n /SigFlags 3\n >>\n>>\n",
},
},
{
file: "../testfiles/testfile21.pdf",
expectedCatalogs: map[CertType]string{
CertificationSignature: "<<\n /Type /Catalog /Pages 9 0 R /Names 6 0 R /AcroForm << /Fields [16 0 R] /NeedAppearances false /SigFlags 3 >>\n>>\n",
UsageRightsSignature: "<<\n /Type /Catalog /Pages 9 0 R /Names 6 0 R /AcroForm << /Fields [16 0 R] /NeedAppearances false /SigFlags 1 >>\n>>\n",
ApprovalSignature: "<<\n /Type /Catalog /Pages 9 0 R /Names 6 0 R /AcroForm << /Fields [16 0 R] /NeedAppearances false /SigFlags 3 >>\n>>\n",
CertificationSignature: "<<\n /Type /Catalog\n /Pages 9 0 R\n /Names 6 0 R\n /AcroForm <<\n /Fields [16 0 R]\n /SigFlags 3\n >>\n>>\n",
UsageRightsSignature: "<<\n /Type /Catalog\n /Pages 9 0 R\n /Names 6 0 R\n /AcroForm <<\n /Fields [16 0 R]\n /SigFlags 1\n >>\n>>\n",
ApprovalSignature: "<<\n /Type /Catalog\n /Pages 9 0 R\n /Names 6 0 R\n /AcroForm <<\n /Fields [16 0 R]\n /SigFlags 3\n >>\n>>\n",
},
},
}
@@ -33,7 +33,7 @@ var testFiles = []struct {
func TestCreateCatalog(t *testing.T) {
for _, testFile := range testFiles {
for certType, expectedCatalog := range testFile.expectedCatalogs {
t.Run(fmt.Sprintf("%s_certType-%d", testFile.file, certType), func(st *testing.T) {
t.Run(fmt.Sprintf("%s_%s", testFile.file, certType.String()), func(st *testing.T) {
inputFile, err := os.Open(testFile.file)
if err != nil {
st.Errorf("Failed to load test PDF")
@@ -57,13 +57,7 @@ func TestCreateCatalog(t *testing.T) {
PDFReader: rdr,
InputFile: inputFile,
VisualSignData: VisualSignData{
ObjectId: uint32(rdr.XrefInformation.ItemCount),
},
CatalogData: CatalogData{
ObjectId: uint32(rdr.XrefInformation.ItemCount) + 1,
},
InfoData: InfoData{
ObjectId: uint32(rdr.XrefInformation.ItemCount) + 2,
objectId: uint32(rdr.XrefInformation.ItemCount),
},
SignData: SignData{
Signature: SignDataSignature{
@@ -80,7 +74,7 @@ func TestCreateCatalog(t *testing.T) {
}
if string(catalog) != expectedCatalog {
st.Errorf("Catalog mismatch, expected\n%s\nbut got\n%s", expectedCatalog, catalog)
st.Errorf("Catalog mismatch, expected\n%q\nbut got\n%q", expectedCatalog, catalog)
}
})
}