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Daniela Arcese 2017-06-09 09:45:06 -04:00
parent 42be528c90
commit dea589df14
5 changed files with 60 additions and 68 deletions
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92
frontend/src/fileSender.js
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@ -11,7 +11,7 @@ class FileSender extends EventEmitter {
static delete(fileId, token) {
return new Promise((resolve, reject) => {
if (!fileId || !token) {
return resolve();
return reject();
}
let xhr = new XMLHttpRequest();
xhr.open('post', '/delete/' + fileId, true);
@ -51,55 +51,55 @@ class FileSender extends EventEmitter {
};
})
])
.then(([secretKey, plaintext]) => {
return Promise.all([
window.crypto.subtle.encrypt(
{
name: 'AES-CBC',
iv: this.iv
},
secretKey,
plaintext
),
window.crypto.subtle.exportKey('jwk', secretKey)
]);
})
.then(([encrypted, keydata]) => {
return new Promise((resolve, reject) => {
let file = this.file;
let fileId = ivToStr(this.iv);
let dataView = new DataView(encrypted);
let blob = new Blob([dataView], { type: file.type });
let fd = new FormData();
fd.append('fname', file.name);
fd.append('data', blob, file.name);
.then(([secretKey, plaintext]) => {
return Promise.all([
window.crypto.subtle.encrypt(
{
name: 'AES-CBC',
iv: this.iv
},
secretKey,
plaintext
),
window.crypto.subtle.exportKey('jwk', secretKey)
]);
})
.then(([encrypted, keydata]) => {
return new Promise((resolve, reject) => {
let file = this.file;
let fileId = ivToStr(this.iv);
let dataView = new DataView(encrypted);
let blob = new Blob([dataView], { type: file.type });
let fd = new FormData();
fd.append('fname', file.name);
fd.append('data', blob, file.name);
let xhr = new XMLHttpRequest();
let xhr = new XMLHttpRequest();
xhr.upload.addEventListener('progress', e => {
if (e.lengthComputable) {
let percentComplete = Math.floor(e.loaded / e.total * 100);
this.emit('progress', percentComplete);
}
});
xhr.onreadystatechange = () => {
if (xhr.readyState == XMLHttpRequest.DONE) {
// uuid field and url field
let responseObj = JSON.parse(xhr.responseText);
resolve({
url: responseObj.url,
fileId: fileId,
secretKey: keydata.k,
deleteToken: responseObj.uuid
});
}
};
xhr.open('post', '/upload/' + fileId, true);
xhr.send(fd);
xhr.upload.addEventListener('progress', e => {
if (e.lengthComputable) {
let percentComplete = Math.floor(e.loaded / e.total * 100);
this.emit('progress', percentComplete);
}
});
xhr.onreadystatechange = () => {
if (xhr.readyState == XMLHttpRequest.DONE) {
// uuid field and url field
let responseObj = JSON.parse(xhr.responseText);
resolve({
url: responseObj.url,
fileId: fileId,
secretKey: keydata.k,
deleteToken: responseObj.uuid
});
}
};
xhr.open('post', '/upload/' + fileId, true);
xhr.send(fd);
});
});
}
}