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package client;
import Types.ProgressType;
import Types.UploadResponse;
import client.Main.getEl;
import haxe.Json;
import js.Browser.document;
import js.Browser.window;
import js.html.File;
import js.html.InputElement;
import js.html.ProgressEvent;
import js.html.URL;
import js.html.XMLHttpRequest;
class FileUploader {
final main:Main;
public function new(main:Main) {
this.main = main;
}
public function uploadFile(file:File):Void {
if (!main.isAdmin()) {
main.serverMessage("Only admins may upload files.", true, false);
return;
}
var title = ~/[?#%\/\\]/g.replace(file.name, "").trim();
if (title.length == 0) title = "video";
final name = (window : Dynamic).encodeURIComponent(title);
final checkboxTemp:InputElement = getEl("#addfromurl .add-temp");
final isTemp = Main.isTempChecked(checkboxTemp);
// send last chunk separately to allow server file streaming while uploading
uploadLastChunk(file, name, data -> {
if (data.errorId != null) {
main.serverMessage(data.info, true, false);
return;
}
final url = data.url;
getFileDuration(file, duration -> {
if (duration == 0 || Math.isNaN(duration) || !Math.isFinite(duration)) {
main.serverMessage(Lang.get("addVideoError"), true, false);
return;
}
uploadFullFile(name, file, url, () -> {
main.addUploadedVideo(url, title, duration, true, isTemp);
});
});
});
}
function getFileDuration(file:File, callback:(duration:Float) -> Void):Void {
final objUrl = URL.createObjectURL(file);
final video = document.createVideoElement();
video.preload = "metadata";
video.muted = true;
video.onloadedmetadata = () -> {
final duration = video.duration;
URL.revokeObjectURL(objUrl);
callback(duration);
}
video.onerror = e -> {
URL.revokeObjectURL(objUrl);
callback(0);
}
video.src = objUrl;
}
function uploadFullFile(name:String, file:File, url:String, onStarted:() -> Void):Void {
final request = new XMLHttpRequest();
request.open("POST", "/upload", true);
request.setRequestHeader("content-name", name);
request.setRequestHeader("x-client-uuid", main.settings.uuid ?? "");
var added = false;
function ensureAdded():Void {
if (added) return;
added = true;
onStarted();
main.registerUpload(url, () -> request.abort());
}
function sendProgress(type:ProgressType, ratio:Float):Void {
main.send({
type: Progress,
progress: {
type: type,
ratio: ratio,
url: url
}
});
}
var lastSentRatio = 0.0;
request.upload.onprogress = (event:ProgressEvent) -> {
ensureAdded();
var ratio = 0.0;
if (event.lengthComputable) {
ratio = (event.loaded / event.total).clamp(0, 1);
}
if (ratio - lastSentRatio < 0.01 && ratio < 1) return;
lastSentRatio = ratio;
sendProgress(Uploading, ratio);
}
request.onload = (e:ProgressEvent) -> {
main.unregisterUpload(url);
final data:UploadResponse = try {
Json.parse(request.responseText);
} catch (e) {
trace(e);
sendProgress(Canceled, 0);
return;
}
if (data.errorId != null) {
main.serverMessage(data.info, true, false);
sendProgress(Canceled, 0);
return;
}
ensureAdded();
sendProgress(Completed, 1);
}
request.onerror = (e:ProgressEvent) -> {
main.unregisterUpload(url);
sendProgress(Canceled, 0);
}
request.onabort = (e:ProgressEvent) -> main.unregisterUpload(url);
request.send(file);
}
function uploadLastChunk(file:File, name:String, callback:(data:UploadResponse) -> Void):Void {
final chunkSize = 1024 * 1024 * 5; // 5 MB
final bufferOffset = (file.size - chunkSize).limitMin(0);
final lastChunk = file.slice(bufferOffset);
final chunkReq = window.fetch("/upload-last-chunk", {
method: "POST",
headers: {
"content-name": name,
"x-client-uuid": main.settings.uuid ?? "",
},
body: lastChunk,
});
chunkReq.then(e -> {
e.json().then((data:UploadResponse) -> {
callback(data);
});
});
}
}
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