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Fixes and support for ApprovalSignature and TimeStampSignature

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This commit is contained in:
Paul van Brouwershaven
2024-11-14 13:00:58 +01:00
parent 0899875647
commit 7946d5266d
20 changed files with 1204 additions and 841 deletions
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114
sign/pdfcatalog_test.go
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@@ -1,70 +1,88 @@
package sign
import (
"fmt"
"os"
"testing"
"github.com/digitorus/pdf"
)
var test_files = []struct {
var testFiles = []struct {
file string
expected_catalog string
expectedCatalogs map[CertType]string
}{
{"../testfiles/testfile20.pdf", "11 0 obj\n<< /Type /Catalog /Version /2.0 /Pages 3 0 R /AcroForm << /Fields [10 0 R] /NeedAppearances false /SigFlags 1 >> /Perms << /UR3 0 0 R >> >>\nendobj\n"},
{"../testfiles/testfile21.pdf", "17 0 obj\n<< /Type /Catalog /Version /1.0 /Names 6 0 R /Pages 9 0 R /AcroForm << /Fields [16 0 R] /NeedAppearances false /SigFlags 1 >> /Perms << /UR3 0 0 R >> >>\nendobj\n"},
{
file: "../testfiles/testfile20.pdf",
expectedCatalogs: map[CertType]string{
CertificationSignature: "11 0 obj\n<< /Type /Catalog /Pages 3 0 R /AcroForm << /Fields [10 0 R] /NeedAppearances false /SigFlags 3 >> >>\nendobj\n",
UsageRightsSignature: "11 0 obj\n<< /Type /Catalog /Pages 3 0 R /AcroForm << /Fields [10 0 R] /NeedAppearances false /SigFlags 1 >> >>\nendobj\n",
ApprovalSignature: "11 0 obj\n<< /Type /Catalog /Pages 3 0 R /AcroForm << /Fields [10 0 R] /NeedAppearances false /SigFlags 3 >> >>\nendobj\n",
},
},
{
file: "../testfiles/testfile21.pdf",
expectedCatalogs: map[CertType]string{
CertificationSignature: "17 0 obj\n<< /Type /Catalog /Pages 9 0 R /Names 6 0 R /AcroForm << /Fields [16 0 R] /NeedAppearances false /SigFlags 3 >> >>\nendobj\n",
UsageRightsSignature: "17 0 obj\n<< /Type /Catalog /Pages 9 0 R /Names 6 0 R /AcroForm << /Fields [16 0 R] /NeedAppearances false /SigFlags 1 >> >>\nendobj\n",
ApprovalSignature: "17 0 obj\n<< /Type /Catalog /Pages 9 0 R /Names 6 0 R /AcroForm << /Fields [16 0 R] /NeedAppearances false /SigFlags 3 >> >>\nendobj\n"},
},
}
func TestCreateCatalog(t *testing.T) {
for _, test_file := range test_files {
input_file, err := os.Open(test_file.file)
if err != nil {
t.Errorf("Failed to load test PDF")
return
}
for _, testFile := range testFiles {
for certType, expectedCatalog := range testFile.expectedCatalogs {
t.Run(fmt.Sprintf("%s_certType-%d", testFile.file, certType), func(st *testing.T) {
inputFile, err := os.Open(testFile.file)
if err != nil {
st.Errorf("Failed to load test PDF")
return
}
finfo, err := input_file.Stat()
if err != nil {
t.Errorf("Failed to load test PDF")
return
}
size := finfo.Size()
finfo, err := inputFile.Stat()
if err != nil {
st.Errorf("Failed to load test PDF")
return
}
size := finfo.Size()
rdr, err := pdf.NewReader(input_file, size)
if err != nil {
t.Errorf("Failed to load test PDF")
return
}
rdr, err := pdf.NewReader(inputFile, size)
if err != nil {
st.Errorf("Failed to load test PDF")
return
}
context := SignContext{
Filesize: size + 1,
PDFReader: rdr,
InputFile: input_file,
VisualSignData: VisualSignData{
ObjectId: uint32(rdr.XrefInformation.ItemCount),
},
CatalogData: CatalogData{
ObjectId: uint32(rdr.XrefInformation.ItemCount) + 1,
},
InfoData: InfoData{
ObjectId: uint32(rdr.XrefInformation.ItemCount) + 2,
},
SignData: SignData{
Signature: SignDataSignature{
CertType: UsageRightsSignature,
DocMDPPerm: AllowFillingExistingFormFieldsAndSignaturesPerms,
},
},
}
context := SignContext{
Filesize: size + 1,
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,
},
SignData: SignData{
Signature: SignDataSignature{
CertType: certType,
DocMDPPerm: AllowFillingExistingFormFieldsAndSignaturesPerms,
},
},
}
catalog, err := context.createCatalog()
if err != nil {
t.Errorf("%s", err.Error())
return
}
catalog, err := context.createCatalog()
if err != nil {
st.Errorf("%s", err.Error())
return
}
if catalog != test_file.expected_catalog {
t.Errorf("Catalog mismatch, expected %s, but got %s", test_file.expected_catalog, catalog)
if catalog != expectedCatalog {
st.Errorf("Catalog mismatch, expected %s, but got %s", expectedCatalog, catalog)
}
})
}
}
}