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added prettier for js formatting. use 'npm run format'

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Danny Coates 2017-06-01 12:41:29 -07:00
parent 0f64dcad85
commit 57461ead7f
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GPG key ID: 4C442633C62E00CB
5 changed files with 754 additions and 224 deletions
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201
public/upload.js
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@ -3,85 +3,106 @@ function onChange(event) {
var reader = new FileReader();
reader.onload = function(event) {
let self = this;
window.crypto.subtle.generateKey({
name: "AES-CBC",
length: 128
},
true,
["encrypt", "decrypt"])
.then(function(key){
var arrayBuffer = self.result;
var array = new Uint8Array(arrayBuffer);
window.crypto.subtle
.generateKey(
{
name: 'AES-CBC',
length: 128
},
true,
['encrypt', 'decrypt']
)
.then(function(key) {
var arrayBuffer = self.result;
var array = new Uint8Array(arrayBuffer);
var random_iv = window.crypto.getRandomValues(new Uint8Array(16));
var random_iv = window.crypto.getRandomValues(new Uint8Array(16));
window.crypto.subtle.encrypt({
name: "AES-CBC",
iv: random_iv },
key,
array)
.then(function(encrypted){
var dataView = new DataView(encrypted);
var blob = new Blob([dataView], { type: file.type });
var fd = new FormData();
fd.append("fname", file.name);
fd.append("data", blob, file.name);
window.crypto.subtle
.encrypt(
{
name: 'AES-CBC',
iv: random_iv
},
key,
array
)
.then(function(encrypted) {
var dataView = new DataView(encrypted);
var blob = new Blob([dataView], { type: file.type });
var xhr = new XMLHttpRequest();
var hex = ivToStr(random_iv);
xhr.open("post", "/upload/" + hex, true);
var fd = new FormData();
fd.append('fname', file.name);
fd.append('data', blob, file.name);
var li = document.createElement("li");
var name = document.createElement("p");
name.innerHTML = file.name;
li.appendChild(name);
var link = document.createElement("a");
li.appendChild(link);
var xhr = new XMLHttpRequest();
var hex = ivToStr(random_iv);
xhr.open('post', '/upload/' + hex, true);
var progress = document.createElement("p");
li.appendChild(progress);
document.getElementById("uploaded_files").appendChild(li);
var li = document.createElement('li');
var name = document.createElement('p');
name.innerHTML = file.name;
li.appendChild(name);
var link = document.createElement('a');
li.appendChild(link);
xhr.upload.addEventListener("progress", returnBindedLI(progress, name, link, li));
var progress = document.createElement('p');
li.appendChild(progress);
document.getElementById('uploaded_files').appendChild(li);
xhr.onreadystatechange = function() {
if (xhr.readyState == XMLHttpRequest.DONE) {
window.crypto.subtle.exportKey("jwk", key).then(function(keydata) {
var curr_name = localStorage.getItem(file.name);
localStorage.setItem(hex, xhr.responseText);
xhr.upload.addEventListener(
'progress',
returnBindedLI(progress, name, link, li)
);
link.innerHTML = "http://localhost:3000/download/" + hex + "/#" + keydata.k;
link.setAttribute("href", "http://localhost:3000/download/" + hex + "/#" + keydata.k);
xhr.onreadystatechange = function() {
if (xhr.readyState == XMLHttpRequest.DONE) {
window.crypto.subtle
.exportKey('jwk', key)
.then(function(keydata) {
var curr_name = localStorage.getItem(file.name);
console.log("Share this link with a friend: http://localhost:3000/download/" + hex + "/#" + keydata.k);
})
}
};
localStorage.setItem(hex, xhr.responseText);
xhr.send(fd);
})
.catch(function(err){
console.error(err);
});
link.innerHTML =
'http://localhost:3000/download/' +
hex +
'/#' +
keydata.k;
link.setAttribute(
'href',
'http://localhost:3000/download/' + hex + '/#' + keydata.k
);
console.log(
'Share this link with a friend: http://localhost:3000/download/' +
hex +
'/#' +
keydata.k
);
});
}
};
xhr.send(fd);
})
.catch(function(err) {
console.error(err);
});
})
.catch(function(err){
.catch(function(err) {
console.error(err);
});
});
};
reader.readAsArrayBuffer(file);
}
function ivToStr(iv) {
let hexStr = "";
let hexStr = '';
for (var i in iv) {
if (iv[i] < 16) {
hexStr += "0" + iv[i].toString(16);
hexStr += '0' + iv[i].toString(16);
} else {
hexStr += iv[i].toString(16);
}
@ -93,7 +114,7 @@ function ivToStr(iv) {
function strToIv(str) {
var iv = new Uint8Array(16);
for (var i = 0; i < str.length; i += 2) {
iv[i/2] = parseInt((str.charAt(i) + str.charAt(i + 1)), 16);
iv[i / 2] = parseInt(str.charAt(i) + str.charAt(i + 1), 16);
}
return iv;
@ -101,41 +122,39 @@ function strToIv(str) {
function returnBindedLI(a_element, name, link, li) {
return function updateProgress(e) {
if (e.lengthComputable) {
var percentComplete = Math.floor((e.loaded / e.total) * 100);
a_element.innerHTML = "Progress: " + percentComplete + "%";
if (e.lengthComputable) {
var percentComplete = Math.floor(e.loaded / e.total * 100);
a_element.innerHTML = 'Progress: ' + percentComplete + '%';
if (percentComplete === 100) {
var btn = document.createElement("button");
btn.innerHTML = "Delete from server";
btn.addEventListener("click", function() {
var segments = link.innerHTML.split("/");
var key = segments[segments.length - 2];
if (percentComplete === 100) {
var btn = document.createElement('button');
btn.innerHTML = 'Delete from server';
btn.addEventListener('click', function() {
var segments = link.innerHTML.split('/');
var key = segments[segments.length - 2];
var xhr = new XMLHttpRequest();
xhr.open("post", "/delete/" + key, true);
xhr.setRequestHeader("Content-Type", "application/json");
if (!localStorage.getItem(key)) return;
var xhr = new XMLHttpRequest();
xhr.open('post', '/delete/' + key, true);
xhr.setRequestHeader('Content-Type', 'application/json');
if (!localStorage.getItem(key)) return;
xhr.send(JSON.stringify({delete_token: localStorage.getItem(key)}));
xhr.send(JSON.stringify({ delete_token: localStorage.getItem(key) }));
xhr.onreadystatechange = function() {
if (xhr.readyState === XMLHttpRequest.DONE) {
document.getElementById("uploaded_files").removeChild(li);
localStorage.removeItem(key);
}
xhr.onreadystatechange = function() {
if (xhr.readyState === XMLHttpRequest.DONE) {
document.getElementById('uploaded_files').removeChild(li);
localStorage.removeItem(key);
}
if (xhr.status === 200) {
console.log("The file was successfully deleted.");
} else {
console.log("The file has expired, or has already been deleted.");
}
}
});
li.appendChild(btn);
}
}
}
if (xhr.status === 200) {
console.log('The file was successfully deleted.');
} else {
console.log('The file has expired, or has already been deleted.');
}
};
});
li.appendChild(btn);
}
}
};
}