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<%+header%>
<h2 name="content"><%:Attended Sysupgrade%></h2>
<div class="container">
<div style="display: none" id="update_info" class="alert-message info">
</div>
<div style="display: none" id="update_error" class="alert-message danger">
</div>
</div>
<input class="cbi-button" value="search for updates" onclick="update_request()" type="button" id="update_button">
<script type="text/javascript">
latest_release = "";
data = {};
ubus_counter = 1
origin = document.location.href.replace(location.pathname, "")
ubus_url = origin + "/ubus/"
// requests to the update server
function server_request(request_dict, path, callback) {
url = data.update_server + "/" + path
request_dict.distro = data.release.distribution;
request_dict.target = data.release.target.split("\/")[0];
request_dict.subtarget = data.release.target.split("\/")[1];
request_dict.packages = data.packagelist;
var xmlhttp = new XMLHttpRequest();
xmlhttp.open("POST", url, true);
xmlhttp.setRequestHeader("Content-type", "application/json");
xmlhttp.send(JSON.stringify(request_dict));
xmlhttp.onerror = function(e) {
update_error("update server down")
}
xmlhttp.addEventListener('load', function(event) {
callback(xmlhttp)
});
}
// requests ubus via rpcd
function ubus_request(command, argument, params, callback) {
// perform login if ubus_rpc_session is empty
var request_data = '{ "jsonrpc": "2.0", "id": ' + ubus_counter + ', "method": "call", "params": [ "'+ data["ubus_rpc_session"] +'", "' + command + '", "' + argument + '", ' + params + ' ] }'
ubus_counter++
var xmlhttp = new XMLHttpRequest();
xmlhttp.open("POST", ubus_url, true);
xmlhttp.setRequestHeader("Content-type", "application/json");
xmlhttp.onerror = function(e) {
setTimeout(back_online, 5000)
}
xmlhttp.addEventListener('load', function(event) {
if(command === "uci") {
ubus_request_callback_uci(xmlhttp, callback)
} else {
ubus_request_callback(xmlhttp, callback)
}
});
xmlhttp.send(request_data);
}
// handle ubus_requests, set variables or perform functions
function ubus_request_callback(response_object, callback) {
if(response_object.status === 200) {
console.log(callback)
if(typeof callback === "string") {
response_json = JSON.parse(response_object.responseText).result[1]
data[callback] = response_json[callback]
} else {
callback(response_object)
}
} else {
console.log(respons_object.responseText)
}
}
function ubus_request_callback_uci(response_object, callback) {
if(response_object.status === 200) {
console.log(callback)
response_json = JSON.parse(response_object.responseText).result[1].value
data[callback] = response_json
} else {
console.log(respons_object.responseText)
}
}
// initial setup, get system information
function setup() {
data["ubus_rpc_session"] = "<%=luci.dispatcher.context.authsession%>"
ubus_request("packagelist", "list", '{ }', "packagelist")
ubus_request("system", "board", '{ }', "release")
ubus_request("system", "board", '{ }', "board_name")
ubus_request("uci", "get", '{"config": "attendedsysupgrade", "section": "@settings[0]", "option": "update_server"}', "update_server")
}
// shows notification if update is available
function update_info(info_output) {
document.getElementById("update_info").style.display = "block";
document.getElementById("update_info").innerHTML = info_output;
}
function update_error(error_output) {
document.getElementById("update_error").style.display = "block";
document.getElementById("update_error").innerHTML = error_output;
document.getElementById("update_info").style.display = "None";
}
// asks server for news updates, actually only based on relesae not packages
function update_request() {
console.log("update_request")
request_dict = {}
request_dict.version = data.release.version;
server_request(request_dict, "update-request", update_request_callback)
}
function update_request_callback(response_object) {
if (response_object.status === 500) {
// python crashed
update_error("internal server error, please try again later")
console.log("update server issue")
} else if (response_object.status === 502) {
// python part offline
update_error("internal server error, please try again later")
console.log("update server issue")
} else if (response_object.status === 503) {
// handle overload
update_error("server overloaded, retry in 5 minutes")
console.log("server overloaded")
setTimeout(update_request, 300000)
} else if (response_object.status === 201) {
update_info("imagebuilder not ready, please wait")
console.log("setting up imagebuilder")
setTimeout(update_request, 5000)
} else if (response_object.status === 204) {
// no updates
update_info("no updates available")
} else if (response_object.status === 400) {
// bad request
console.log(response_object.responseText)
response_object_content = JSON.parse(response_object.responseText)
update_error(response_object_content)
} else if (response_object.status === 200) {
// new release/updates
response_object_content = JSON.parse(response_object.responseText)
update_request_200(response_object_content)
}
}
function back_online() {
ubus_request("session", "login", '{ }', back_online_callback)
}
function back_online_callback(response_object) {
if (response_object.status != 200) {
setTimeout(back_online, 5000)
} else {
update_info("upgrade successfull!")
document.getElementById("update_button").value = "reload page";
document.getElementById("update_button").onclick = function() { location.reload(); }
}
}
function update_request_200(response_content) {
info_output = ""
if(response_content.version != undefined) {
info_output += "new update available. from " + data.release.version + " to " + response_content.version
latest_version = response_content.version;
}
if(response_content.packages != undefined) {
info_output += "package updates available"
}
update_info(info_output)
document.getElementById("update_button").value = "request image";
document.getElementById("update_button").onclick = image_request;
}
// request the image, need merge with update_request
function image_request() {
console.log("image_request")
request_dict = {}
request_dict.version = latest_version;
request_dict.board = data.board_name
server_request(request_dict, "/image-request", image_request_handler)
}
function image_request_handler(response) {
if (response.status === 400) {
response_content = JSON.parse(response.responseText)
update_error(response_content.error)
} else if (response.status === 500) {
image_request_500()
} else if (response.status === 503) {
update_error("please wait. server overloaded")
// handle overload
setTimeout(image_request, 30000)
} else if (response.status === 201) {
response_content = JSON.parse(response.responseText)
if(response_content.queue != undefined) {
// in queue
update_info("please wait. you are in queue position " + response_content.queue)
console.log("queued")
} else {
update_info("imagebuilder not ready, please wait")
console.log("setting up imagebuilder")
}
setTimeout(image_request, 5000)
} else if (response.status === 206) {
// building
console.log("building")
update_info("building image")
setTimeout(image_request, 5000)
} else if (response.status === 200) {
// ready to download
response_content = JSON.parse(response.responseText)
update_info("image created")
document.getElementById("update_button").value = "download and flash"
document.getElementById("update_button").onclick = function() {download_image(response_content.url); }
}
}
// uploads received blob data to the server using cgi-io
function upload_image(blob) {
var upload_request = new XMLHttpRequest();
var form_data = new FormData();
form_data.append("sessionid", data.ubus_rpc_session)
form_data.append("filename", "/tmp/sysupgrade.bin")
form_data.append("filemode", 755) // insecure?
form_data.append("filedata", blob)
upload_request.addEventListener('load', function(event) {
// this checksum should be parsed
document.getElementById("update_info").innerHTML = "flashing... please wait" // show fancy indicator http://www.ajaxload.info/
ubus_request("attendedsysupgrade", "sysupgrade", '{ }', 'done');
});
upload_request.addEventListener('error', function(event) {
document.getElementById("update_info").innerHTML = "uploading failed, please retry"
});
upload_request.open('POST', origin + '/cgi-bin/cgi-upload');
upload_request.send(form_data);
}
// download image from server once the url was received by image_request
function download_image(url) {
console.log("download_image")
document.getElementById("update_button").value = "flashing..."
document.getElementById("update_button").disabled = true;
var download_request = new XMLHttpRequest();
download_request.open("GET", url);
download_request.responseType = "arraybuffer";
download_request.onload = function () {
if (this.status === 200) {
var blob = new Blob([download_request.response], {type: "application/octet-stream"});
upload_image(blob)
}
};
document.getElementById("update_info").innerHTML = "downloading image"
download_request.send();
}
document.onload = setup()
</script>
<%+footer%>
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