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Code Issues Releases Wiki Activity

decrypting imap messages works

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This commit is contained in:
Tankred Hase 2013-08-28 17:10:18 +02:00
parent 3970d7181f
commit 73d46bc72b
1 changed files with 58 additions and 2 deletions
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60
src/js/dao/email-dao.js
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@ -282,7 +282,63 @@ define(function(require) {
itemCounter++;
// remember how many items should be fetched before the callback fires
expectedItems = (message.attachments instanceof Array) ? message.attachments.length + 1 : 1;
check();
// decrypt Message body
if (message.body.indexOf(PREFIX) !== -1 && message.body.indexOf(SUFFIX) !== -1) {
decryptMessageBody(message, function(err, ptMessage) {
message = ptMessage;
// return decrypted message
callback(null, message);
});
return;
}
// return unencrypted message
callback(null, message);
//check();
}
function decryptMessageBody(email, callback) {
var ctMessageBase64, ctMessage, pubkeyIds;
// parse email body for encrypted message block
try {
ctMessageBase64 = email.body.split(PREFIX)[1].split(SUFFIX)[0];
ctMessage = JSON.parse(atob(ctMessageBase64));
} catch (e) {
callback({
errMsg: 'Error parsing encrypted message block!'
});
return;
}
// gather public key ids required to verify signatures
pubkeyIds = [{
_id: ctMessage.senderPk
}];
// fetch public keys from keychain
self._keychain.getPublicKeys(pubkeyIds, function(err, senderPubkeys) {
if (err) {
callback(err);
return;
}
// verfiy signatures and re-encrypt item keys
crypto.decryptListForUser([ctMessage], senderPubkeys, function(err, decryptedList) {
if (err) {
callback(err);
return;
}
var ptEmail = decryptedList[0];
email.body = ptEmail.body;
email.subject = ptEmail.subject;
callback(null, email);
});
});
}
function attachmentReady(err, gottenAttachment) {
@ -309,7 +365,7 @@ define(function(require) {
path: options.folder,
uid: options.uid,
onMessageBody: messageReady,
onAttachment: attachmentReady
/*onAttachment: attachmentReady*/
});
};