applications/luci-app-attendedsysupgrade/luasrc/view/attendedsysupgrade.htm

   1 <%+header%>
   2 <h2 name="content"><%:Attended Sysupgrade%></h2>
   3 <div class="container">
   4         <div style="display: none" id="update_info" class="alert-message info"></div>
   5         <div style="display: none" id="update_error" class="alert-message danger"></div>
   6 </div>
   7 <input class="cbi-button" value="search for updates" onclick="update_request()" type="button" id="update_button">
   8 <div style="display: none" id="packages" class="alert-message success"></div>
   9 <div class="cbi-value" id="keep_container" style="display: none">
  10         <label class="cbi-value-title" for="keep">keep settings:</label>
  11         <div class="cbi-value-field">
  12                 <input type="checkbox" name="keep" id="keep" checked="checked" />
  13         </div>
  14 </div>
  15
  16 <script type="text/javascript">
  17
  18 latest_release = "";
  19 data = {};
  20 ubus_counter = 1
  21 origin = document.location.href.replace(location.pathname, "")
  22 ubus_url = origin + "/ubus/"
  23
  24 // requests to the update server
  25 function server_request(request_dict, path, callback) {
  26         url = data.update_server + "/" + path
  27         request_dict.distro = data.release.distribution;
  28         request_dict.target = data.release.target.split("\/")[0];
  29         request_dict.subtarget = data.release.target.split("\/")[1];
  30         var xmlhttp = new XMLHttpRequest();
  31         xmlhttp.open("POST", url, true);
  32         xmlhttp.setRequestHeader("Content-type", "application/json");
  33         xmlhttp.send(JSON.stringify(request_dict));
  34         xmlhttp.onerror = function(e) {
  35                 update_error("update server down")
  36         }
  37         xmlhttp.addEventListener('load', function(event) {
  38                 callback(xmlhttp)
  39         });
  40 }
  41
  42 // requests ubus via rpcd
  43 function ubus_request(command, argument, params, callback) {
  44         request_data = {};
  45         request_data.jsonrpc = "2.0";
  46         request_data.id = ubus_counter;
  47         request_data.method = "call";
  48         request_data.params = [ data.ubus_rpc_session, command, argument, params ]
  49         ubus_counter++
  50         var xmlhttp = new XMLHttpRequest();
  51         xmlhttp.open("POST", ubus_url, true);
  52         xmlhttp.setRequestHeader("Content-type", "application/json");
  53         xmlhttp.onerror = function(e) {
  54                 setTimeout(back_online, 5000)
  55         }
  56         xmlhttp.addEventListener('load', function(event) {
  57                 if(command === "uci") {
  58                         ubus_request_callback_uci(xmlhttp, callback)
  59                 } else {
  60                         ubus_request_callback(xmlhttp, callback)
  61                 }
  62         });
  63         xmlhttp.send(JSON.stringify(request_data));
  64 }
  65
  66 // handle ubus_requests, set variables or perform functions
  67 function ubus_request_callback(response_object, callback) {
  68         if(response_object.status === 200) {
  69                 console.log(callback)
  70                 if(typeof callback === "string") {
  71                         response_json = JSON.parse(response_object.responseText).result[1]
  72                         data[callback] = response_json[callback]
  73                 } else {
  74                         callback(response_object)
  75                 }
  76         } else {
  77                 console.log(respons_object.responseText)
  78         }
  79 }
  80
  81 function ubus_request_callback_uci(response_object, callback) {
  82         if(response_object.status === 200) {
  83                 console.log(callback)
  84                 response_json = JSON.parse(response_object.responseText).result[1].value
  85                 data[callback] = response_json
  86         } else {
  87                 console.log(respons_object.responseText)
  88         }
  89 }
  90
  91 // initial setup, get system information
  92 function setup() {
  93         data["ubus_rpc_session"] = "<%=luci.dispatcher.context.authsession%>"
  94         ubus_request("packagelist", "list", {}, "packagelist");
  95         ubus_request("system", "board", {}, "release");
  96         ubus_request("system", "board", {}, "board_name");
  97         ubus_request("system", "board", {}, "model");
  98         ubus_request("uci", "get", { "config": "attendedsysupgrade", "section": "updateserver", "option": "url" }, "update_server")
  99 }
 100
 101 // shows notification if update is available
 102 function update_info(info_output) {
 103         document.getElementById("update_info").style.display = "block";
 104         document.getElementById("update_info").innerHTML = info_output;
 105 }
 106
 107 function update_error(error_output) {
 108         document.getElementById("update_error").style.display = "block";
 109         document.getElementById("update_error").innerHTML = error_output;
 110         document.getElementById("update_info").style.display = "None";
 111 }
 112
 113 // asks server for news updates, actually only based on relesae not packages
 114 function update_request() {
 115         console.log("update_request")
 116         request_dict = {}
 117         request_dict.version = data.release.version;
 118         request_dict.packages = data.packagelist;
 119         server_request(request_dict, "update-request", update_request_callback)
 120 }
 121
 122 function update_request_callback(response_object) {
 123         if (response_object.status === 500) {
 124                 // python crashed
 125                 update_error("internal server error, please try again later")
 126                 console.log("update server issue")
 127         } else if (response_object.status === 502) {
 128                 // python part offline
 129                 update_error("internal server error, please try again later")
 130                 console.log("update server issue")
 131         } else if (response_object.status === 503) {
 132                 // handle overload
 133                 update_error("server overloaded, retry in 5 minutes")
 134                 console.log("server overloaded")
 135                 setTimeout(update_request, 300000)
 136         } else if (response_object.status === 201) {
 137                 update_info("imagebuilder not ready, please wait")
 138                 console.log("setting up imagebuilder")
 139                 setTimeout(update_request, 5000)
 140         } else if (response_object.status === 204) {
 141                 // no updates
 142                 update_info("no updates available")
 143         } else if (response_object.status === 400) {
 144                 // bad request
 145                 console.log(response_object.responseText)
 146                 response_object_content = JSON.parse(response_object.responseText)
 147                 update_error(response_object_content)
 148         } else if (response_object.status === 200) {
 149                 // new release/updates
 150                 response_object_content = JSON.parse(response_object.responseText)
 151                 update_request_200(response_object_content)
 152         }
 153 }
 154
 155 function back_online() {
 156         ubus_request("session", "login", {}, back_online_callback)
 157 }
 158
 159 function back_online_callback(response_object) {
 160         if (response_object.status != 200) {
 161                 setTimeout(back_online, 5000)
 162         } else {
 163                 update_info("upgrade successfull!")
 164                 document.getElementById("update_button").value = "reload page";
 165                 document.getElementById("update_button").onclick = function() { location.reload(); }
 166         }
 167
 168 }
 169
 170 function update_request_200(response_content) {
 171         info_output = ""
 172         if(response_content.version != undefined) {
 173                 info_output += "<h3>new update available</h3>"
 174                 info_output += data.release.version + " to " + response_content.version
 175                 latest_version = response_content.version;
 176         }
 177         if(response_content.updates != undefined) {
 178                 info_output += "<h3>package updates available</h3>"
 179                 for (update in response_content.updates) {
 180                         info_output += "<b>" + update + "</b>: " + response_content.updates[update][1] + " to " + response_content.updates[update][0] + "</br>"
 181                 }
 182                 data.packages = response_content.packages
 183         }
 184         update_info(info_output)
 185         document.getElementById("update_button").value = "request image";
 186         document.getElementById("update_button").onclick = image_request;
 187 }
 188
 189 // request the image, need merge with update_request
 190 function image_request() {
 191         console.log("image_request")
 192         request_dict = {}
 193         request_dict.version = latest_version;
 194         request_dict.board = data.board_name
 195         request_dict.packages = data.packages;
 196         request_dict.model = data.model
 197         server_request(request_dict, "image-request", image_request_handler)
 198 }
 199
 200 function image_request_handler(response) {
 201         if (response.status === 400) {
 202                 response_content = JSON.parse(response.responseText)
 203                 update_error(response_content.error)
 204         } else if (response.status === 500) {
 205                 image_request_500()
 206         } else if (response.status === 503) {
 207                 update_error("please wait. server overloaded")
 208                 // handle overload
 209                 setTimeout(image_request, 30000)
 210         } else if (response.status === 201) {
 211                 response_content = JSON.parse(response.responseText)
 212                 if(response_content.queue != undefined) {
 213                         // in queue
 214                         update_info("please wait. you are in queue position " + response_content.queue)
 215                         console.log("queued")
 216                 } else {
 217                         update_info("imagebuilder not ready, please wait")
 218                         console.log("setting up imagebuilder")
 219                 }
 220                 setTimeout(image_request, 5000)
 221         } else if (response.status === 206) {
 222                 // building
 223                 console.log("building")
 224                 update_info("building image")
 225                 setTimeout(image_request, 5000)
 226         } else if (response.status === 200) {
 227                 // ready to download
 228                 response_content = JSON.parse(response.responseText)
 229                 update_info("image created")
 230                 document.getElementById("update_button").value = "sysupgrade"
 231                 document.getElementById("update_button").onclick = function() {download_image(response_content.url); }
 232                 document.getElementById("keep_container").style.display = "block";
 233         }
 234 }
 235
 236
 237 // uploads received blob data to the server using cgi-io
 238 function upload_image(blob) {
 239         var upload_request = new XMLHttpRequest();
 240         var form_data  = new FormData();
 241
 242         form_data.append("sessionid", data.ubus_rpc_session)
 243         form_data.append("filename", "/tmp/sysupgrade.bin")
 244         form_data.append("filemode", 755) // insecure?
 245         form_data.append("filedata", blob)
 246
 247         upload_request.addEventListener('load', function(event) {
 248                 // this checksum should be parsed
 249                 document.getElementById("update_info").innerHTML = "flashing... please wait" // show fancy indicator http://www.ajaxload.info/
 250
 251                 ubus_request("attendedsysupgrade", "sysupgrade", { "keep_settings": document.getElementById("keep").checked }, 'done');
 252         });
 253
 254         upload_request.addEventListener('error', function(event) {
 255                 document.getElementById("update_info").innerHTML = "uploading failed, please retry"
 256         });
 257
 258         upload_request.open('POST', origin + '/cgi-bin/cgi-upload');
 259         upload_request.send(form_data);
 260 }
 261
 262 // download image from server once the url was received by image_request
 263 function download_image(url) {
 264         console.log("download_image")
 265         document.getElementById("update_button").value = "flashing..."
 266         document.getElementById("update_button").disabled = true;
 267         var download_request = new XMLHttpRequest();
 268         download_request.open("GET", url);
 269         download_request.responseType = "arraybuffer";
 270
 271         download_request.onload = function () {
 272                 if (this.status === 200) {
 273                         var blob = new Blob([download_request.response], {type: "application/octet-stream"});
 274                         upload_image(blob)
 275                 }
 276         };
 277         document.getElementById("update_info").innerHTML = "downloading image"
 278         download_request.send();
 279 }
 280
 281 document.onload = setup()
 282 </script>
 283
 284 <%+footer%>