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GUAC-278: Simply do not track connection history if localStorage unavailable.

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Michael Jumper
2014-04-17 14:02:25 -07:00
parent 70a3b67ef1
commit 1ccbbd8efe
1 changed files with 20 additions and 4 deletions
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24
guacamole/src/main/webapp/scripts/history.js
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@@ -86,6 +86,10 @@ GuacamoleHistory = new (function() {
*/ */
this.update = function(id, thumbnail) { this.update = function(id, thumbnail) {
/* Do nothing if localStorage not present */
if (!localStorage)
return;
// Create updated entry // Create updated entry
var entry = new GuacamoleHistory.Entry( var entry = new GuacamoleHistory.Entry(
id, id,
@@ -97,8 +101,11 @@ GuacamoleHistory = new (function() {
history[id] = entry; history[id] = entry;
truncate(); truncate();
// Save updated history // Save updated history, ignore inability to use localStorage
localStorage.setItem("GUAC_HISTORY", JSON.stringify(history)); try {
localStorage.setItem("GUAC_HISTORY", JSON.stringify(history));
}
catch (ignore) {}
}; };
@@ -107,9 +114,18 @@ GuacamoleHistory = new (function() {
*/ */
this.reload = function() { this.reload = function() {
// Get old and new for comparison /* Do nothing if localStorage not present */
if (!localStorage)
return;
// Get old and new for comparison, ignore inability to use localStorage
var old_history = history; var old_history = history;
var new_history = JSON.parse(localStorage.getItem("GUAC_HISTORY") || "{}"); try {
var new_history = JSON.parse(localStorage.getItem("GUAC_HISTORY") || "{}");
}
catch (ignore) {
return;
}
// Update history // Update history
history = new_history; history = new_history;