add: 串接数字签名

packages/core/src/index.js

@@ -1072,6 +1072,10 @@ class ComPDFKitViewer {
       }
     }
 
+    const signatures = await this.messageHandler.sendWithPromise('GetSignatures', {
+      doc: this.doc
+    })
+
     this.pdfViewer.pagesPtr = this.pagesPtr
 
     return annotations
@@ -2478,7 +2482,6 @@ class ComPDFKitViewer {
 
       case "Print":
         const url = await this.download(false, null, 3)
-        this.triggerPrinting(url);
         return url
         break;
 

packages/core/src/worker/compdfkit_worker.js

@@ -7,7 +7,8 @@ let ComPDFKitJS = {
   opened_Font: [],
   opened_FontNames: [],
   opened_DefFont: [],
-  opened_image: []
+  opened_image: [],
+  opened_cert: []
 }
 
 let DataArray = []
@@ -31,6 +32,8 @@ let U8StringData = ''
 let PDFRange = {}
 let TextRectArray = []
 ImageAreaInfo = {}
+SignerArray = []
+CertArray = []
 
 import MessageHandler from "../message_handler"
 import { convertFileToBuffer, convertBase64ToBytes } from '../fileHandler';
@@ -214,6 +217,10 @@ class CPDFWorker {
       })
     })
 
+    messageHandler.on('GetSignatures', (data) => {
+      return getSignatures(data)
+    })
+
     messageHandler.on('PushRenderTask', (data) => {
       const { pagePtr, scale, left, right, bottom, top } = data
 
@@ -2374,6 +2381,95 @@ function getWidgetAnnotation({
   return annotation
 }
 
+function getSignatures({
+  doc
+}) {
+  const signatureList = []
+  const count = Module._GetSignatureCount(doc)
+  console.log(count)
+
+  for (let i = 0; i < count; i++) {
+    // 获取签名指针
+    const signaturePtr = Module._InitSignature(doc, i)
+    if (signaturePtr) {
+      const signerList = []
+      const signature = {
+        signaturePtr,
+        signerList
+      }
+      // 获取签名者信息
+      SignerArray = []
+      Module._GetSigner(signaturePtr)
+
+      let needCheck = false
+      for (let j = 0; j < SignerArray.length; j++) {
+        const signerPtr = SignerArray[j]
+
+        if (signerPtr) {
+          const certificateList = []
+          const signer = {
+            signerPtr,
+            isSignVerified: false,
+            isCertValid: false,
+            certificateList
+          }
+
+          const certPtr = Module._GetSignCert(signerPtr)
+
+          console.log('certPtr', certPtr)
+          const result = false
+          if (certPtr) {
+            // TODO: 验证证书
+            // result = Module._VerifyGetChain(signerPtr, certPtr, 0, 10000)
+            // if (result === 1) {
+            //   signer.IsCertTrusted = true
+            //   for (let f = 0; f < signer.certificateList.length; f++) {
+            //     signer.certificateList[f].IsTrusted = true
+            //   }
+            // } else {
+            //   needCheck = true
+            // }
+
+            CertArray = []
+            Module._GetSignCertChain(certPtr)
+
+            for (let k = 0; k < CertArray.length; k++) {
+              const certPtr = CertArray[k]
+              const certificate = {
+                certPtr
+              }
+
+              // TODO: 获取证书信息
+
+              certificateList.push(certificate)
+            }
+          }
+
+          const timeSpanPtr = Module._GetTimeStampSignature(signerPtr)
+          if (timeSpanPtr) {
+            // TODO: 验证时间戳
+            // result = Module._VerifyTimestamp(signaturePtr, signerPtr, 0, 10000)
+            // if (result == 1) {
+            //   signer.IsSignVerified = true;
+            // } else {
+            //   signer.IsSignVerified = false;
+            // }
+          }
+
+          signerList.push(signer)
+        }
+      }
+
+      Module._GetSignatureName(signaturePtr)
+      const data = U8StringData
+
+      console.log('data', data)
+      signatureList.push(signature)
+      console.log('signatureList', signatureList)
+    }
+  }
+}
+
 async function copyDocument(doc, password) {
   DataArray = []
   Module._SaveDocumentByStream(doc, 2);