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var upload = (function(){
var el = document.getElementById("upload_input")
var button = document.getElementById("upload_button")
var uploading = false
function upload(uri, filename, tag){
if (uploading) return
filename = filename || get_filename()
uri = (uri && ! uri.target) ? uri : lastGif
tag = tag || "shader"
var blob = dataUriToBlob(uri)
button.innerHTML = "uploading..."
button.className = "uploading"
uploading = true
uploadImage({
blob: blob,
filename: filename,
username: user.username,
tag: tag,
success: function(data){
// data.url
// data.filesize
// data.success
console.log(data);
el.style.display = "block"
el.value = data.url
el.focus()
button.innerHTML = "upload"
button.className = ""
uploading = false
},
error: function(data){
console.log(data)
console.log("error uploading: " + data.error)
button.innerHTML = "upload"
button.className = ""
uploading = false
}
});
}
function uploadImage(opt){
if (! opt.blob || ! opt.filename) return;
opt.username = opt.username || "";
opt.success = opt.success || noop;
opt.error = opt.error || noop;
var form = new FormData();
form.append("username", opt.username);
form.append("filename", opt.filename);
form.append("qqfile", opt.blob);
form.append("tag", opt.tag);
var req = new XMLHttpRequest();
req.open("POST", "/cgi-bin/im/shader/upload");
req.onload = function(event) {
if (req.status == 200) {
var res = JSON.parse(req.responseText);
if (res.success) {
opt.success(res);
}
else {
opt.error(res);
}
} else {
opt.error({ success: false, error: req.status });
}
};
req.send(form);
}
return upload
})()
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