Tryanks/pdfsign
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This commit is contained in:
Paul van Brouwershaven
2022-06-30 18:04:25 +02:00
parent 0e77069efa
commit 44ac3c7806
8 changed files with 87 additions and 54 deletions
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14
verify/verify.go
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@@ -71,7 +71,9 @@ type DocumentInfo struct {
func File(file *os.File) (apiResp *Response, err error) {
finfo, _ := file.Stat()
file.Seek(0, 0)
if _, err := file.Seek(0, 0); err != nil {
return nil, err
}
return Reader(file, finfo.Size())
}
@@ -155,9 +157,9 @@ func Reader(file io.ReaderAt, size int64) (apiResp *Response, err error) {
// Signer certificate
// http://www.alvestrand.no/objectid/1.2.840.113549.1.9.html
// http://www.alvestrand.no/objectid/1.2.840.113583.1.1.8.html
var isn []byte
//var isn []byte
for _, s := range p7.Signers {
isn = s.IssuerAndSerialNumber.IssuerName.FullBytes
//isn = s.IssuerAndSerialNumber.IssuerName.FullBytes
//for _, a := range s.AuthenticatedAttributes {
//fmt.Printf("A: %v, %#v\n", s.IssuerAndSerialNumber.SerialNumber, a.Type)
//}
@@ -199,13 +201,9 @@ func Reader(file io.ReaderAt, size int64) (apiResp *Response, err error) {
}
// Directory of certificates, including OCSP
//var ica *x509.Certificate
certPool := x509.NewCertPool()
for _, cert := range p7.Certificates {
certPool.AddCert(cert)
if bytes.Equal(isn, cert.RawSubject) {
//ica = cert
}
}
// Verify the digital signature of the pdf file.
@@ -225,7 +223,7 @@ func Reader(file io.ReaderAt, size int64) (apiResp *Response, err error) {
// PDF signature certificate revocation information attribute (1.2.840.113583.1.1.8)
var revInfo revocation.InfoArchival
p7.UnmarshalSignedAttribute(asn1.ObjectIdentifier{1, 2, 840, 113583, 1, 1, 8}, &revInfo)
_ = p7.UnmarshalSignedAttribute(asn1.ObjectIdentifier{1, 2, 840, 113583, 1, 1, 8}, &revInfo)
// Parse OCSP response
var ocspStatus = make(map[string]*ocsp.Response)