mirror of
https://github.com/donaldzou/WGDashboard.git
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2 lines
4.7 KiB
JavaScript
2 lines
4.7 KiB
JavaScript
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function x(n){return n.includes(":")?6:n.includes(".")?4:0}function p(n){const t=x(n);if(!t)throw new Error(`Invalid IP address: ${n}`);let e=0n,r=0n;const s=Object.create(null);if(t===4)for(const i of n.split(".").map(BigInt).reverse())e+=i*2n**r,r+=8n;else{if(n.includes(".")&&(s.ipv4mapped=!0,n=n.split(":").map(o=>{if(o.includes(".")){const[u,l,f,a]=o.split(".").map(d=>Number(d).toString(16).padStart(2,"0"));return`${u}${l}:${f}${a}`}else return o}).join(":")),n.includes("%")){let o;[,n,o]=/(.+)%(.+)/.exec(n)||[],s.scopeid=o}const i=n.split(":"),c=i.indexOf("");if(c!==-1)for(;i.length<8;)i.splice(c,0,"");for(const o of i.map(u=>BigInt(parseInt(u||"0",16))).reverse())e+=o*2n**r,r+=16n}return s.number=e,s.version=t,s}function m({number:n,version:t,ipv4mapped:e,scopeid:r},{compress:s=!0,hexify:i=!1}={}){let c=t===4?24n:112n;const o=t===4?8n:16n;let u=n;const l=[];for(;c>0n;){const f=2n**c;l.push(u/f),u=n%f,c-=o}if(l.push(u),t===4)return l.join(".");{let f="";if(e&&!i){for(const[a,d]of l.entries())a<6?f+=`${d.toString(16)}:`:f+=`${String(d>>8n)}.${String(d&255n)}${a===6?".":""}`;s&&(f=y(f.split(":")))}else s?f=y(l.map(a=>a.toString(16))):f=l.map(a=>a.toString(16)).join(":");return r?`${f}%${r}`:f}}function B(n,{compress:t=!0,hexify:e=!1}={}){return m(p(n),{compress:t,hexify:e})}function y(n){let t=null,e=null;for(const[r,s]of n.entries())s==="0"?e?e.add(r):e=new Set([r]):e&&((!t||e.size>t.size)&&(t=e),e=null);(!t&&e||e&&t&&e.size>t.size)&&(t=e);for(const r of t||[])n[r]=":";return n.filter(Boolean).join(":").replace(/:{2,}/,"::")}const v={4:32,6:128};function b(n){return Array.from(new Set(n))}function N(n){return n.includes("/")?x(n):0}function I(n,t){const{number:e,version:r}=p(n.replace(/\/.+/,"")),{number:s,version:i}=p(t.replace(/\/.+/,""));return r===i?e-s>0n?1:e-s<0n?-1:0:r>i?1:0}function P(n,{compress:t=!0,hexify:e=!1}={}){const{start:r,end:s,prefix:i,version:c,prefixPresent:o}=g(n);return r!==s||o?`${B(m({number:r,version:c}),{compress:t,hexify:e})}/${i}`:B(n,{compress:t,hexify:e})}function h(n,t){return Array.isArray(n)?n.map(e=>h(e,t)):P(n,t)}function g(n){const t=N(n),e=Object.create(null);let r;if(t)r=n,e.version=t;else{const S=x(n);if(S)r=`${n}/${v[S]}`,e.version=S;else throw new Error(`Network is not a CIDR or IP: ${n}`)}const[s,i]=r.split("/");if(!/^[0-9]+$/.test(i))throw new Error(`Network is not a CIDR or IP: ${n}`);const{number:c,version:o,ipv4mapped:u,scopeid:l}=p(s);e.ip=m({number:c,version:o,ipv4mapped:u,scopeid:l}),e.cidr=`${e.ip}/${i}`,e.prefix=i,e.prefixPresent=!!t;const f=v[o],a=c.toString(2).padStart(f,"0"),d=Number(f-Number(i)),w=a.substring(0,f-d);return e.start=BigInt(`0b${w}${"0".repeat(d)}`),e.end=BigInt(`0b${w}${"1".repeat(d)}`),e}function z(n,t){return!(t.start<n.start||t.end>n.end)}function C(n){return n===0n?0n:2n**BigInt(String(n.toString(2).length-1))}function $(n){if(n.end-n.start===1n)return n.end%2n===0n?[{start:n.start,end:n.start},{start:n.end,end:n.end}]:[{start:n.start,end:n.end}];const t=A(n.end,n.start);let e=C(t),r,s;if(t===e&&n.start+t===n.end)return[n];if(n.start%e===0n)r=n.start,s=r+e-1n;else if(r=n.end/e*e,r+e-1n>n.end){for(r=(n.end/e-1n)*e;r<n.start;)e/=2n,r=(n.end/e-1n)*e;s=r+e-1n}else r=n.end/e*e,s=r+e-1n;let i=[{start:r,end:s}];return r!==n.start&&(i=i.concat($({start:n.start,end:r-1n}))),s!==n.end&&(i=i.concat($({start:s+1n,end:n.end}))),i}function A(n,t){return n+1n-t}function j(n,t){const e=h(m({number:BigInt(n.start.toString()),version:t})),r=A(n.end,n.start).toString(2),s=v[t]-(r.match(/0/g)||[]).length;return`${e}/${s}`}function O(n){const t={4:{},6:{}};for(const{start:e,end:r,version:s}of n)t[s][String(e)]||(t[s][String(e)]={start:0,end:0}),t[s][String(r)]||(t[s][String(r)]={start:0,end:0}),t[s][String(e)].start+=1,t[s][String(r)].end+=1;return t}function V(n){let t=null,e=null;const r=Object.keys(n);let s=0;const i=[];for(const[c,o]of r.entries()){const u=n[String(o)];if(t===null&&u.start&&(t=BigInt(o)),u.end&&(e=BigInt(o)),t===null)continue;u.start&&(s+=u.start),u.end&&(s-=u.end);const l=r[c+1];if(u.end&&s===0&&l&&BigInt(l)-BigInt(o)>1){for(const f of $({sta
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