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