1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
// Change version to cause cache refresh
const static_cache_name = "site-static-1.0.15.0-beta-9f73d14";
// commit before the latest is 9f73d145b6aadb506143b0a3ec1b1d3697f24a04
// Got them with find . -not -path '*/\.*' | sed "s/.*/\"&\",/" | grep -v sw.js
// sw.js NE SME BITI CACHAN, ker vsebuje verzijo!
const assets = [
"/css/materialize.min.css",
"/css/fontawesome.min.css",
"/css/materialicons.css",
"/css/styles.css",
"/css/fullcalendar/custom.css",
"/css/fullcalendar/daygrid/main.min.css",
"/css/fullcalendar/core/main.min.css",
"/css/fullcalendar/timegrid/main.min.css",
"/fonts/fa-solid-900.eot",
"/fonts/fa-solid-900.woff2",
"/fonts/fa-brands-400.woff2",
"/fonts/fa-regular-400.eot",
"/fonts/fa-regular-400.woff2",
"/fonts/fa-brands-400.eot",
"/fonts/materialicons.woff2",
"/img/avatars/asijanec.png",
"/img/avatars/rstular.png",
"/img/icons/icon_384.png",
"/img/icons/icon_192.png",
"/img/icons/icon_72.png",
"/img/icons/icon_144.png",
"/img/icons/icon_512.png",
"/img/icons/icon_96.png",
"/img/icons/icon_48.png",
"/js/timetable.js",
"/js/gradings.js",
"/js/messaging.js",
"/js/privacypolicy.js",
"/js/teachers.js",
"/js/tos.js",
"/js/login.js",
"/js/app.js",
"/js/meals.js",
"/js/settings.js",
"/js/lang/bundle.js",
"/js/setup-storage.js",
"/js/lib/materialize.min.js",
"/js/lib/jquery.min.js",
"/js/lib/localforage.min.js",
"/js/lib/xss.js",
"/js/lib/mergedeep.js",
"/js/lib/fullcalendar/daygrid/main.min.js",
"/js/lib/fullcalendar/core/main.min.js",
"/js/lib/fullcalendar/timegrid/main.min.js",
"/js/grades.js",
"/js/about.js",
"/js/logout.js",
"/js/initialize.js",
"/js/absences.js",
"/js/changelog.js",
"/pages/timetable.html",
"/pages/teachers.html",
"/pages/absences.html",
"/pages/about.html",
"/pages/changelog.html",
"/pages/messaging.html",
"/pages/gradings.html",
"/pages/grades.html",
"/pages/privacypolicy.html",
"/pages/tos.html",
"/pages/meals.html",
"/pages/settings.html",
"/manifest.json",
"/index.html",
"/login.html",
"/logout.html",
"/favicon.png",
"/pages/jitsi.html",
"/js/jitsi.js",
"/pages/chats.html",
"/js/chats.js",
"/css/bubbles.css",
"/js/gsec.js",
"/js/gsec.js?ajaxload"
];
importScripts("/js/lib/localforage.min.js");
importScripts("/js/setup-storage.js");
self.addEventListener("install", (evt) => {
// Add localforage.clear() if storage purge is required
evt.waitUntil(
// localforage.clear()
setupStorage()
);
evt.waitUntil(
caches.open(static_cache_name).then((cache) => {
cache.addAll(assets);
})
);
});
// Delete old caches
self.addEventListener("activate", evt => {
evt.waitUntil(
caches.keys().then((keys) => {
return Promise.all(keys
.filter(key => key !== static_cache_name)
.map(key => caches.delete(key))
);
})
);
});
async function sw_asynclycheckversion (data) {
try {
var names = await caches.keys();
console.log("[sw.js] checkversion: ***** checkversion v0 for BežiApp ***** hello, world!");
if(!(data.valid_cache_name == undefined || data.valid_cache_name == null || data.valid_cache_name == "")) {
var valid_cache_name = data.valid_cache_name;
console.log("[sw.js] checkversion: requested version (cachename) " + valid_cache_name);
} else {
var valid_cache_name = static_cache_name;
console.log("[sw.js] checkversion: no version to keep specified, using current "+valid_cache_name+", but that makes no sense to me.");
}
console.log("[sw.js] checkversion: deleting caches that don't match that cache name ...");
for (let name of names) {
if(valid_cache_name != name) {
caches.delete(name);
console.log("[sw.js] checkversion: done requesting delete of cache " + name);
}
}
console.log("[sw.js] checkversion: done, exiting!");
} catch (e) {
console.log("[sw.js] checkversion: !!! ERRORS! (caught)");
}
}
self.addEventListener("message", event => {
if (event.data) {
let data = JSON.parse(event.data); // parse the message back to JSON
if (data.action == "addtocache") { // check the action
event.waitUntil(
caches.open(static_cache_name).then(function (cache) {
try {
return cache.add([data.url]);
}
catch (error) {
console.error("[sw.js] error: " + error);
}
})
);
} else if (data.action == "deletecaches") {
caches.keys().then(function (names) {
for (let name of names) {
console.log("[sw.js] deleting cache named " + name);
caches.delete(name);
}
});
} else if (data.action.startsWith("checkversion")) {
sw_asynclycheckversion(data);
}
}
});
self.addEventListener("fetch", (evt) => {
evt.respondWith(caches.match(evt.request).then((cache_res) => {
return cache_res || fetch(evt.request);
}))
});
|