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FairEmail
mirror of https://github.com/M66B/FairEmail.git
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S/MIME: improved get recipient info

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master
M66B 2 weeks ago
parent 00da519046
commit 03d3291f3b
1 changed files with 31 additions and 26 deletions
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35
app/src/main/java/eu/faircode/email/FragmentMessages.java
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@ -177,6 +177,7 @@ import org.bouncycastle.cms.KeyAgreeRecipientInformation;
import org.bouncycastle.cms.KeyTransRecipientInformation;
import org.bouncycastle.cms.PKIXRecipientId;
import org.bouncycastle.cms.Recipient;
import org.bouncycastle.cms.RecipientId;
import org.bouncycastle.cms.RecipientInformation;
import org.bouncycastle.cms.RecipientInformationStore;
import org.bouncycastle.cms.SignerId;
@ -186,9 +187,11 @@ import org.bouncycastle.cms.SignerInformationVerifier;
import org.bouncycastle.cms.jcajce.JcaSimpleSignerInfoVerifierBuilder;
import org.bouncycastle.cms.jcajce.JceKeyAgreeAuthEnvelopedRecipient;
import org.bouncycastle.cms.jcajce.JceKeyAgreeEnvelopedRecipient;
import org.bouncycastle.cms.jcajce.JceKeyAgreeRecipientId;
import org.bouncycastle.cms.jcajce.JceKeyTransAuthEnvelopedRecipient;
import org.bouncycastle.cms.jcajce.JceKeyTransEnvelopedRecipient;
import org.bouncycastle.cms.jcajce.JceKeyTransRecipient;
import org.bouncycastle.cms.jcajce.JceKeyTransRecipientId;
import org.bouncycastle.operator.DefaultAlgorithmNameFinder;
import org.bouncycastle.util.Store;
import org.json.JSONException;
@ -10666,7 +10669,7 @@ public class FragmentMessages extends FragmentBase
// Get recipient info
Collection<RecipientInformation> recipients =
recipientStore.getRecipients(); // KeyTransRecipientInformation
recipientStore.getRecipients(); // KeyTrans, KeyAgree, or another recipient type
EntityLog.log(context, "s/mime private key" +
" algo=" + privkey.getAlgorithm() +
@ -10680,12 +10683,16 @@ public class FragmentMessages extends FragmentBase
Log.e(ex);
algo = recipientInfo.getKeyEncryptionAlgOID();
}
String serial;
String serial = null;
try {
PKIXRecipientId recipientId = (PKIXRecipientId) recipientInfo.getRID();
serial = recipientId.getSerialNumber().toString();
RecipientId rid = recipientInfo.getRID();
if (rid instanceof PKIXRecipientId) {
BigInteger value = ((PKIXRecipientId) rid).getSerialNumber();
if (value != null)
serial = value.toString();
}
} catch (Throwable ex) {
serial = null;
Log.e(ex);
}
EntityLog.log(context, "s/mime recipient" +
" algo=" + algo +
@ -10708,15 +10715,15 @@ public class FragmentMessages extends FragmentBase
// Find recipient
if (count < 0) {
BigInteger serialno = chain[0].getSerialNumber();
for (RecipientInformation recipientInfo : recipients) {
// KeyTransRecipientId or KeyAgreeRecipientId
PKIXRecipientId recipientId = (PKIXRecipientId) recipientInfo.getRID();
if (serialno != null && serialno.equals(recipientId.getSerialNumber())) {
RecipientInformation recipientInfo = recipientStore.get(new JceKeyTransRecipientId(chain[0]));
if (recipientInfo == null)
recipientInfo = recipientStore.get(new JceKeyAgreeRecipientId(chain[0]));
if (recipientInfo != null) {
try {
Recipient recipient = createRecipient(recipientInfo, authEnveloped, privkey);
InputStream is = recipientInfo.getContentStream(recipient).getContentStream();
try (InputStream is = recipientInfo.getContentStream(recipient).getContentStream()) {
decodeMessage(context, is, message, args);
}
decoded = true;
Log.i("Encryption algo=" + malgo);
args.putString("algo", malgo);
@ -10727,8 +10734,6 @@ public class FragmentMessages extends FragmentBase
Log.e(ex);
last = ex;
}
break; // only one try
}
}
} else {
List<RecipientInformation> list = new ArrayList<>(recipients);
@ -10736,10 +10741,10 @@ public class FragmentMessages extends FragmentBase
RecipientInformation recipientInfo = list.get(count);
try {
Recipient recipient = createRecipient(recipientInfo, authEnveloped, privkey);
InputStream is = recipientInfo.getContentStream(recipient).getContentStream();
try (InputStream is = recipientInfo.getContentStream(recipient).getContentStream()) {
decodeMessage(context, is, message, args);
}
decoded = true;
break;
} catch (CMSException ex) {
Log.w(ex);
last = ex;

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