public void Signature(string filePath, string savePath, string keyPath, string postext)
{
//throw new NotImplementedException();
KGPdfHummer hummer = null;
FileStream os = null;
try
{
int index = filePath.LastIndexOf('\\');
string fileName = filePath.Substring(index + 1); //原始文档路径
os = new FileStream(savePath, FileMode.Create, FileAccess.ReadWrite); //签章或者数字签名后输出文件路径
AbstractSign pdfExecute = null;
/*进行电子签章*/
hummer = KGPdfHummer.CreateInstance(filePath, null, true, os, true); //创建文档编辑实例。
pdfExecute = new PdfElectronicSeal4KG(keyPath, 1, "123456"); //与.key文件对接,签章编号默认为1，密码默认123456
pdfExecute.SetPagen(hummer.GetNumberOfPages()); //只在pdf最后一页加载电子签章
hummer.AddExecute(pdfExecute);
pdfExecute.SetText(postext); //根据文字定位
hummer.DoExecute(); //执行电子签章任务
File.Delete(filePath);
}
catch (Exception e)
{
e.ToString();
}
finally
{
if (os != null)
{
try { os.Close(); }
catch { }
}
if (hummer != null)
{
hummer.Close();
}
}
}
public void ProcessRequest(HttpContext context)
{
string option = context.Request.Form["option"];
if (option == null)
{
option = context.Request.QueryString["option"];
}
if ("calculateHash".Equals(option))
{
string cert = context.Request.Form["cert"];
string imgData = context.Request.Form["imgData"];
string imgWidth = context.Request.Form["imgWidth"];
string imgHeight = context.Request.Form["imgHeight"];
string imgExt = context.Request.Form["imgExt"];
string fileIDS = context.Request.Form["fileIDS"];
string xPoint = context.Request.Form["xPoint"];
string yPoint = context.Request.Form["yPoint"];
string signatureDtflag = ConvertEx.ToString(context.Request.Form["signatureDtflag"]);
bool signatureAllPagePdfflag = ConvertEx.ToBool(context.Request.Form["signatureAllPagePdfflag"]); //是否签所有页
string signaturePagen = context.Server.UrlDecode(context.Request.Form["signaturePagen"]); //特定页码集合
Hashtable pdfList = GetCleanPdfPath(fileIDS);
if (pdfList.Count > 0)
{
KGPdfHummer hummer = null;
string tagPdf = string.Empty;
FileStream files = null;
try {
if (imgData == null)
{
throw new Exception("签章获取错误！");
}
else
{
JArray objList = new JArray();
X509CertificateParser x509CertificateParser;
X509Certificate x509Certificate;
DigitalSignatureByKey digitalSignatureByKey;
PdfSignature pdfSignature;
PdfSignature4KG pdfSignature4KG = new PdfSignature4KG(null, 1, null);
KGBase64 base64;
KGTextInfo kgTextInfo;
string base64str, data;
int width, height;
JObject obj;
byte[] imgb;
foreach (DictionaryEntry de in pdfList)
{
string sourcePdf = de.Value.ToString();
tagPdf = GetTagertPdf(sourcePdf);
files = new FileStream(tagPdf, FileMode.Create);
hummer = KGPdfHummer.CreateSignature(sourcePdf, null, true, files, null, true);
x509CertificateParser = new X509CertificateParser();
// 公钥证书
x509Certificate = x509CertificateParser.ReadCertificate(Hex.Decode(cert));
digitalSignatureByKey = new DigitalSignatureByKey();
hummer.SetCertificate(x509Certificate, digitalSignatureByKey);
pdfSignature = hummer.PdfSignature;
base64 = new KGBase64();
base64str = imgData.Substring(0, 65);
data = imgData.Substring(65);
base64.SetBase64Table(base64str);
imgb = base64.Decode(data);
width = (int)(float.Parse(imgWidth) * 7200F / 254F);
height = (int)(float.Parse(imgHeight) * 7200F / 254F);
pdfSignature.SetImage(imgb, imgExt.Substring(1), width, height);
ArrayList pagenList = new ArrayList();
string[] spPagen = (signaturePagen + ",").Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
foreach (var vr in spPagen)
{
pagenList.Add(ConvertEx.ToInt(vr));
}
if (pagenList.Count < 1)
{
pagenList.Add(1);
}
if (!signatureAllPagePdfflag) //不签所有页,则签特定页
{
pdfSignature.SetPagen((Int32[])pagenList.ToArray(typeof(Int32)));
}
//if (searTxt != "")
//{
// pdfSignature.SetText(searTxt, true);
//}
//else
//{
// pdfSignature.SetXY(200F, 200F);
//}
pdfSignature.SetXY(float.Parse(xPoint), float.Parse(yPoint));
hummer.PdfSignature = pdfSignature;
if (signatureDtflag == "1") //签章加日期
{
pdfSignature4KG.SetImage(imgb, imgExt.Substring(1), width, height);
if (!signatureAllPagePdfflag)//不签所有页,则签特定页
{
pdfSignature4KG.SetPagen((Int32[])pagenList.ToArray(typeof(Int32)));
}
pdfSignature4KG.SetXY(float.Parse(xPoint), float.Parse(yPoint));
kgTextInfo = new KGTextInfo(DateTime.Now.ToString("yyyy年MM月dd日"));
kgTextInfo.Font = new System.Drawing.Font("宋体", 12);
kgTextInfo.PosType = TextInfoPosType.OUT_SOUTH_MIDDLE;
pdfSignature4KG.AddImgText(kgTextInfo);
hummer.PdfSignature = pdfSignature4KG;
}
hummer.DoSignature();
obj = new JObject()
{
new JProperty("fileID", de.Key.ToString()),
new JProperty("file", tagPdf),
new JProperty("hash", digitalSignatureByKey.GetHash()),
new JProperty("contentsPostion", digitalSignatureByKey.GetContentsPostion()),
};
objList.Add(obj);
}
context.Response.Write(objList.ToString());
}
} catch (Exception ex) {
if (ex.Message.Contains("iSignature_PDF_API中间件已过期"))
{
context.Response.Write("系统签章过期");
}
else
{
context.Response.Write("系统签章异常:" + ex.Message.ToString());
}
}
finally {
try { if (files != null)
{
files.Close();
}
} catch { }
if (hummer != null)
{
hummer.Close();
}
}
}
}
else if ("rewriteSigned".Equals(option))
{
string cert = context.Request.Form["cert"];
JArray objList = (JArray)JsonConvert.DeserializeObject(context.Request.Form["jArray"]);
if (objList != null && objList.Count > 0)
{
// 公钥证书
X509CertificateParser x509CertificateParser = new X509CertificateParser();
X509Certificate x509Certificate = x509CertificateParser.ReadCertificate(Hex.Decode(cert));
DigitalSignatureByKey digitalSignatureByKey;
foreach (JObject obj in objList)
{
string fileID = Common.ConvertEx.ToString(obj["fileID"]);
string pdfPath = Common.ConvertEx.ToString(obj["file"]);
long pos = Common.ConvertEx.ToLong(obj["contentsPostion"]);
string contents = Common.ConvertEx.ToString(obj["contents"]);
digitalSignatureByKey = new DigitalSignatureByKey();
digitalSignatureByKey.RewriteContents(pdfPath, x509Certificate.GetEncoded(), pos, contents);
UpdateSignatureStatus(fileID, pdfPath, context);
}
}
context.Response.Write("完成域数字签名！");
}
}