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Code Issues Releases Wiki Activity

download and decrypt attachments

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This commit is contained in:
Kyle Spearrin
2017-06-30 22:34:26 -04:00
parent 7b4cf53ec4
commit 7ff79a0fdd
4 changed files with 182 additions and 11 deletions
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60
src/app/vault/vaultAttachmentsController.js
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@@ -24,12 +24,21 @@
}
var file = files[0];
if (file.size > 104857600) { // 100 MB
validationService.addError(form, 'file', 'Maximum file size is 100 MB.', true);
return;
}
var reader = new FileReader();
reader.readAsArrayBuffer(file);
reader.onload = function (evt) {
var key = null;
form.$loading = true;
$scope.$apply();
var key = getKeyForLogin();
var encFilename = cryptoService.encrypt(file.name, key);
cryptoService.encryptToBytes(evt.target.result, key).then(function (encData) {
$scope.savePromise = cryptoService.encryptToBytes(evt.target.result, key).then(function (encData) {
var fd = new FormData();
var blob = new Blob([encData], { type: 'application/octet-stream' });
fd.append('data', blob, encFilename);
@@ -47,6 +56,53 @@
};
}
$scope.download = function (attachment) {
attachment.loading = true;
var key = getKeyForLogin();
var req = new XMLHttpRequest();
req.open('GET', attachment.url, true);
req.responseType = 'arraybuffer';
req.onload = function (evt) {
if (!req.response) {
attachment.loading = false;
$scope.$apply();
// error
return;
}
cryptoService.decryptFromBytes(req.response, key).then(function (decBuf) {
var blob = new Blob([decBuf]);
// IE hack. ref http://msdn.microsoft.com/en-us/library/ie/hh779016.aspx
if (window.navigator.msSaveOrOpenBlob) {
window.navigator.msSaveBlob(blob, attachment.fileName);
}
else {
var a = window.document.createElement('a');
a.href = window.URL.createObjectURL(blob);
a.download = attachment.fileName;
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
}
attachment.loading = false;
$scope.$apply();
});
};
req.send(null);
};
function getKeyForLogin() {
if ($scope.login.organizationId) {
return cryptoService.getOrgKey($scope.login.organizationId);
}
return null;
}
$scope.close = function () {
$uibModalInstance.dismiss('cancel');
};