modules/luci-base/luasrc/view/cbi/apply_widget.htm

   1 <% export("cbi_apply_widget", function(redirect_ok, rollback_token) -%>
   2 <script type="text/javascript">//<![CDATA[
   3         var xhr = new XHR(),
   4             uci_apply_auth = { sid: '<%=luci.dispatcher.context.authsession%>', token: '<%=token%>' },
   5             uci_apply_rollback = <%=math.max(luci.config and luci.config.apply and luci.config.apply.rollback or 30, 30)%>,
   6             uci_apply_holdoff = <%=math.max(luci.config and luci.config.apply and luci.config.apply.holdoff or 4, 1)%>,
   7             uci_apply_timeout = <%=math.max(luci.config and luci.config.apply and luci.config.apply.timeout or 5, 1)%>,
   8             uci_apply_display = <%=math.max(luci.config and luci.config.apply and luci.config.apply.display or 1.5, 1)%>,
   9             uci_confirm_auth = <% if rollback_token then %>{ token: '<%=rollback_token%>' }<% else %>null<% end %>,
  10             was_xhr_poll_running = false;
  11
  12         function uci_status_message(type, content) {
  13                 if (type) {
  14                         var message = showModal('', '');
  15
  16                         message.classList.add('alert-message');
  17                         DOMTokenList.prototype.add.apply(message.classList, type.split(/\s+/));
  18
  19                         if (content)
  20                                 message.innerHTML = content;
  21
  22                         if (!was_xhr_poll_running) {
  23                                 was_xhr_poll_running = XHR.running();
  24                                 XHR.halt();
  25                         }
  26                 }
  27                 else {
  28                         hideModal();
  29
  30                         if (was_xhr_poll_running)
  31                                 XHR.run();
  32                 }
  33         }
  34
  35         function uci_rollback(checked) {
  36                 if (checked) {
  37                         uci_status_message('warning spinning',
  38                                 '<p><%:Failed to confirm apply within %ds, waiting for rollback…%></p>'.format(uci_apply_rollback));
  39
  40                         var call = function(r, data, duration) {
  41                                 if (r.status === 204) {
  42                                         uci_status_message('warning',
  43                                                 '<h4><%:Configuration has been rolled back!%></h4>' +
  44                                                 '<p><%:The device could not be reached within %d seconds after applying the pending changes, which caused the configuration to be rolled back for safety reasons. If you believe that the configuration changes are correct nonetheless, proceed by applying anyway. Alternatively, you can dismiss this warning and edit changes before attempting to apply again, or revert all pending changes to keep the currently working configuration state.%></p>'.format(uci_apply_rollback) +
  45                                                 '<div class="right">' +
  46                                                         '<input type="button" class="btn" onclick="uci_status_message(false)" value="<%:Dismiss%>" /> ' +
  47                                                         '<input type="button" class="btn cbi-button-action important" onclick="uci_revert()" value="<%:Revert changes%>" /> ' +
  48                                                         '<input type="button" class="btn cbi-button-negative important" onclick="uci_apply(false)" value="<%:Apply anyway%>" />' +
  49                                                 '</div>');
  50
  51                                         return;
  52                                 }
  53
  54                                 var delay = isNaN(duration) ? 0 : Math.max(1000 - duration, 0);
  55                                 window.setTimeout(function() {
  56                                         xhr.post('<%=url("admin/uci/confirm")%>', uci_apply_auth, call, uci_apply_timeout * 1000);
  57                                 }, delay);
  58                         };
  59
  60                         call({ status: 0 });
  61                 }
  62                 else {
  63                         uci_status_message('warning',
  64                                 '<h4><%:Device unreachable!%></h4>' +
  65                                 '<p><%:Could not regain access to the device after applying the configuration changes. You might need to reconnect if you modified network related settings such as the IP address or wireless security credentials.%></p>');
  66                 }
  67         }
  68
  69         function uci_confirm(checked, deadline) {
  70                 var tt;
  71                 var ts = Date.now();
  72
  73                 uci_status_message('notice');
  74
  75                 var call = function(r, data, duration) {
  76                         if (Date.now() >= deadline) {
  77                                 window.clearTimeout(tt);
  78                                 uci_rollback(checked);
  79                                 return;
  80                         }
  81                         else if (r && (r.status === 200 || r.status === 204)) {
  82                                 var indicator = document.querySelector('.uci_change_indicator');
  83                                 if (indicator) indicator.style.display = 'none';
  84
  85                                 uci_status_message('notice', '<p><%:Configuration has been applied.%></p>');
  86
  87                                 window.clearTimeout(tt);
  88                                 window.setTimeout(function() {
  89                                         <% if redirect_ok then -%>
  90                                                 location.href = decodeURIComponent('<%=luci.util.urlencode(redirect_ok)%>');
  91                                         <%- else -%>
  92                                                 window.location = window.location.href.split('#')[0];
  93                                         <% end %>
  94                                 }, uci_apply_display * 1000);
  95
  96                                 return;
  97                         }
  98
  99                         var delay = isNaN(duration) ? 0 : Math.max(1000 - duration, 0);
 100                         window.setTimeout(function() {
 101                                 xhr.post('<%=url("admin/uci/confirm")%>', uci_confirm_auth, call, uci_apply_timeout * 1000);
 102                         }, delay);
 103                 };
 104
 105                 var tick = function() {
 106                         var now = Date.now();
 107
 108                         uci_status_message('notice spinning',
 109                                 '<p><%:Waiting for configuration to be applied… %ds%></p>'.format(Math.max(Math.floor((deadline - Date.now()) / 1000), 0)));
 110
 111                         if (now >= deadline)
 112                                 return;
 113
 114                         tt = window.setTimeout(tick, 1000 - (now - ts));
 115                         ts = now;
 116                 };
 117
 118                 tick();
 119
 120                 /* wait a few seconds for the settings to become effective */
 121                 window.setTimeout(call, Math.max(uci_apply_holdoff * 1000 - ((ts + uci_apply_rollback * 1000) - deadline), 1));
 122         }
 123
 124         function uci_apply(checked) {
 125                 uci_status_message('notice spinning', '<p><%:Starting configuration apply…%></p>');
 126
 127                 xhr.post('<%=url("admin/uci")%>/' + (checked ? 'apply_rollback' : 'apply_unchecked'), uci_apply_auth, function(r, tok) {
 128                         if (r.status === (checked ? 200 : 204)) {
 129                                 if (checked && tok !== null && typeof(tok) === 'object' && typeof(tok.token) === 'string')
 130                                         uci_confirm_auth = tok;
 131
 132                                 uci_confirm(checked, Date.now() + uci_apply_rollback * 1000);
 133                         }
 134                         else if (checked && r.status === 204) {
 135                                 uci_status_message('notice', '<p><%:There are no changes to apply.%></p>');
 136                                 window.setTimeout(function() {
 137                                         <% if redirect_ok then -%>
 138                                                 location.href = decodeURIComponent('<%=luci.util.urlencode(redirect_ok)%>');
 139                                         <%- else -%>
 140                                                 uci_status_message(false);
 141                                         <%- end %>
 142                                 }, uci_apply_display * 1000);
 143                         }
 144                         else {
 145                                 uci_status_message('warning', '<p><%_Apply request failed with status <code>%h</code>%></p>'.format(r.responseText || r.statusText || r.status));
 146                                 window.setTimeout(function() { uci_status_message(false); }, uci_apply_display * 1000);
 147                         }
 148                 });
 149         }
 150
 151         function uci_revert() {
 152                 uci_status_message('notice spinning', '<p><%:Reverting configuration…%></p>');
 153
 154                 xhr.post('<%=url("admin/uci/revert")%>', uci_apply_auth, function(r) {
 155                         if (r.status === 200) {
 156                                 uci_status_message('notice', '<p><%:Changes have been reverted.%></p>');
 157                                 window.setTimeout(function() {
 158                                         <% if redirect_ok then -%>
 159                                                 location.href = decodeURIComponent('<%=luci.util.urlencode(redirect_ok)%>');
 160                                         <%- else -%>
 161                                                 window.location = window.location.href.split('#')[0];
 162                                         <%- end %>
 163                                 }, uci_apply_display * 1000);
 164                         }
 165                         else {
 166                                 uci_status_message('warning', '<p><%_Revert request failed with status <code>%h</code>%></p>'.format(r.statusText || r.status));
 167                                 window.setTimeout(function() { uci_status_message(false); }, uci_apply_display * 1000);
 168                         }
 169                 });
 170         }
 171 //]]></script>
 172 <%-     end) %>