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Add operation "Detach PGP Cleartext"

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This operation is like "Remove PGP ASCII Armor" but for detached
signatures. It outputs files as HTML similar to "Sign PGP Detached".
This commit is contained in:
toby 2017-03-15 12:06:32 -04:00
parent f60b06f4be
commit 8db94be8ac
2 changed files with 64 additions and 0 deletions
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8
src/js/config/OperationConfig.js
View file

@ -3335,6 +3335,14 @@ var OperationConfig = {
},
]
},
"Detach PGP Cleartext": {
description: "",
run: PGP.runDetachClearsig,
inputType: "string",
outputType: "HTML",
args: [
],
},
"Add PGP ASCII Armor": {
description: "",
run: PGP.runAddArmor,

56
src/js/operations/PGP.js
View file

@ -511,6 +511,62 @@ var PGP = {
},
/**
* Turns a PGP clearsigned message into a detached signature.
*
* @param {string} input
* @param {Object[]} args
* @returns {HTML}
*/
runDetachClearsig: function (input, args) {
return new Promise(function(resolve, reject) {
try {
var message = openpgp.cleartext.readArmored(input);
} catch (err) {
return reject("Could not read input message: " + err);
}
var cleartext = message.getText();
var clearbytes = openpgp.util.str2Uint8Array(cleartext);
var signature = message.packets.filterByTag(openpgp.enums.packet.signature);
var rawSignatureBytes = signature.write();
var armoredMessage = openpgp.armor.encode(
openpgp.enums.armor.message,
rawSignatureBytes
);
armoredMessage = armoredMessage.replace(
"-----BEGIN PGP MESSAGE-----\r\n",
"-----BEGIN PGP SIGNATURE-----\r\n"
);
armoredMessage = armoredMessage.replace(
"-----END PGP MESSAGE-----\r\n",
"-----END PGP SIGNATURE-----\r\n"
);
var files = [{
fileName: "msg",
size: cleartext.length,
contents: cleartext,
bytes: clearbytes,
}, {
fileName: "msg.asc",
size: armoredMessage.length,
contents: armoredMessage,
bytes: openpgp.util.str2Uint8Array(armoredMessage),
}, {
fileName: "msg.sig",
size: rawSignatureBytes.length,
contents: openpgp.util.Uint8Array2str(rawSignatureBytes),
bytes: rawSignatureBytes,
}];
resolve(Utils.displayFilesAsHTML(files));
});
},
/**
* Turns raw PGP bytes into an ASCII armored string.
*