netzbeere-web/scripts/js/ip-address-sorting.js
XhmikosR 756239a6dd xo: enable strict mode
Signed-off-by: XhmikosR <xhmikosr@gmail.com>
2025-04-23 20:50:12 +03:00

141 lines
2.9 KiB
JavaScript

/* Pi-hole: A black hole for Internet advertisements
* (c) 2019 Pi-hole, LLC (https://pi-hole.net)
* Network-wide ad blocking via your own hardware.
*
* This file is copyright under the latest version of the EUPL.
* Please see LICENSE file for your rights under this license. */
"use strict";
// This code has been taken from
// https://datatables.net/plug-ins/sorting/ip-address
// and was modified by the Pi-hole team to support
// CIDR notation and be more robust against invalid
// input data (like empty IP addresses)
$.extend($.fn.dataTableExt.oSort, {
"ip-address-pre"(a) {
// Skip empty fields (IP address might have expired or
// reassigned to a different device)
if (!a || a.length === 0) {
return Infinity;
}
let i;
let item;
// Use the first IP in case there is a list of IPs
// for a given device
if (Array.isArray(a)) {
a = a[0];
}
let m = a.split(".");
let n = a.split(":");
let x = "";
let xa = "";
let cidr = [];
if (m.length === 4) {
// IPV4 (possibly with CIDR)
cidr = m[3].split("/");
if (cidr.length === 2) {
m.pop();
m = m.concat(cidr);
}
for (i = 0; i < m.length; i++) {
item = m[i];
if (item.length === 1) {
x += "00" + item;
} else if (item.length === 2) {
x += "0" + item;
} else {
x += item;
}
}
} else if (n.length > 0) {
// IPV6 (possibly with CIDR)
let count = 0;
for (i = 0; i < n.length; i++) {
item = n[i];
if (i > 0) {
xa += ":";
}
switch (item.length) {
case 0: {
count += 0;
break;
}
case 1: {
xa += "000" + item;
count += 4;
break;
}
case 2: {
xa += "00" + item;
count += 4;
break;
}
case 3: {
xa += "0" + item;
count += 4;
break;
}
default: {
xa += item;
count += 4;
}
}
}
// Padding the ::
n = xa.split(":");
let paddDone = 0;
for (i = 0; i < n.length; i++) {
item = n[i];
if (item.length === 0 && paddDone === 0) {
for (let padding = 0; padding < 32 - count; padding++) {
x += "0";
paddDone = 1;
}
} else {
x += item;
}
}
cidr = x.split("/");
x = cidr[0];
if (cidr.length === 2) {
item = cidr[1];
if (item.length === 1) {
x += "00" + item;
} else if (item.length === 2) {
x += "0" + item;
} else {
x += item;
}
}
}
return x;
},
"ip-address-asc"(a, b) {
return a < b ? -1 : a > b ? 1 : 0;
},
"ip-address-desc"(a, b) {
return a < b ? 1 : a > b ? -1 : 0;
},
});