multiformats - npm Package Compare versions

Comparing version 11.0.0 to 11.0.1

CHANGELOG.md

@@ -0,1 +1,8 @@
+## [11.0.1](https://github.com/multiformats/js-multiformats/compare/v11.0.0...v11.0.1) (2023-01-18)
+
+
+### Bug Fixes
+
+* throw on CID.parse v0 string with multibase prefix ([258a0be](https://github.com/multiformats/js-multiformats/commit/258a0be344ddd5d08e08e55b3e088212df0c409a))
+
 ## [11.0.0](https://github.com/multiformats/js-multiformats/compare/v10.0.3...v11.0.0) (2023-01-02)
@@ -2,0 +9,0 @@

dist/index.min.js

 (function (root, factory) {(typeof module === 'object' && module.exports) ? module.exports = factory() : root.Multiformats = factory()}(typeof self !== 'undefined' ? self : this, function () {
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long");for(var t=new Uint8Array(256),n=0;n<t.length;n++)t[n]=255;for(var o=0;o<r.length;o++){var s=r.charAt(o),i=s.charCodeAt(0);if(t[i]!==255)throw new TypeError(s+" is ambiguous");t[i]=o}var c=r.length,d=r.charAt(0),M=Math.log(c)/Math.log(256),p=Math.log(256)/Math.log(c);function N(a){if(a instanceof Uint8Array||(ArrayBuffer.isView(a)?a=new Uint8Array(a.buffer,a.byteOffset,a.byteLength):Array.isArray(a)&&(a=Uint8Array.from(a))),!(a instanceof Uint8Array))throw new TypeError("Expected Uint8Array");if(a.length===0)return"";for(var f=0,S=0,u=0,b=a.length;u!==b&&a[u]===0;)u++,f++;for(var g=(b-u)*p+1>>>0,l=new Uint8Array(g);u!==b;){for(var m=a[u],A=0,w=g-1;(m!==0||A<S)&&w!==-1;w--,A++)m+=256*l[w]>>>0,l[w]=m%c>>>0,m=m/c>>>0;if(m!==0)throw new Error("Non-zero carry");S=A,u++}for(var x=g-S;x!==g&&l[x]===0;)x++;for(var F=d.repeat(f);x<g;++x)F+=r.charAt(l[x]);return F}function k(a){if(typeof a!="string")throw new TypeError("Expected String");if(a.length===0)return new Uint8Array;var f=0;if(a[f]!==" "){for(var S=0,u=0;a[f]===d;)S++,f++;for(var b=(a.length-f)*M+1>>>0,g=new Uint8Array(b);a[f];){var l=t[a.charCodeAt(f)];if(l===255)return;for(var m=0,A=b-1;(l!==0||m<u)&&A!==-1;A--,m++)l+=c*g[A]>>>0,g[A]=l%256>>>0,l=l/256>>>0;if(l!==0)throw new Error("Non-zero carry");u=m,f++}if(a[f]!==" "){for(var w=b-u;w!==b&&g[w]===0;)w++;for(var x=new Uint8Array(S+(b-w)),F=S;w!==b;)x[F++]=g[w++];return x}}}function de(a){var f=k(a);if(f)return f;throw new Error(`Non-${e} character`)}return{encode:N,decodeUnsafe:k,decode:de}}var qe=Fe,Re=qe,oe=Re;var X=class{constructor(e,t,n){this.name=e,this.prefix=t,this.baseEncode=n}encode(e){if(e instanceof Uint8Array)return`${this.prefix}${this.baseEncode(e)}`;throw Error("Unknown type, must be binary type")}},K=class{constructor(e,t,n){if(this.name=e,this.prefix=t,t.codePointAt(0)===void 0)throw new Error("Invalid prefix character");this.prefixCodePoint=t.codePointAt(0),this.baseDecode=n}decode(e){if(typeof e=="string"){if(e.codePointAt(0)!==this.prefixCodePoint)throw Error(`Unable to decode multibase string ${JSON.stringify(e)}, ${this.name} decoder only supports inputs prefixed with ${this.prefix}`);return this.baseDecode(e.slice(this.prefix.length))}else throw Error("Can only multibase decode strings")}or(e){return se(this,e)}},W=class{constructor(e){this.decoders=e}or(e){return se(this,e)}decode(e){let t=e[0],n=this.decoders[t];if(n)return n.decode(e);throw RangeError(`Unable to decode multibase string ${JSON.stringify(e)}, only inputs prefixed with ${Object.keys(this.decoders)} are supported`)}},se=(r,e)=>new W({...r.decoders||{[r.prefix]:r},...e.decoders||{[e.prefix]:e}}),Z=class{constructor(e,t,n,o){this.name=e,this.prefix=t,this.baseEncode=n,this.baseDecode=o,this.encoder=new X(e,t,n),this.decoder=new K(e,t,o)}encode(e){return this.encoder.encode(e)}decode(e){return this.decoder.decode(e)}},ie=({name:r,prefix:e,encode:t,decode:n})=>new Z(r,e,t,n),Y=({prefix:r,name:e,alphabet:t})=>{let{encode:n,decode:o}=oe(t,e);return ie({prefix:r,name:e,encode:n,decode:s=>z(o(s))})},Je=(r,e,t,n)=>{let o={};for(let p=0;p<e.length;++p)o[e[p]]=p;let s=r.length;for(;r[s-1]==="=";)--s;let i=new Uint8Array(s*t/8|0),c=0,d=0,M=0;for(let p=0;p<s;++p){let N=o[r[p]];if(N===void 0)throw new SyntaxError(`Non-${n} character`);d=d<<t|N,c+=t,c>=8&&(c-=8,i[M++]=255&d>>c)}if(c>=t||255&d<<8-c)throw new SyntaxError("Unexpected end of data");return i},Pe=(r,e,t)=>{let n=e[e.length-1]==="=",o=(1<<t)-1,s="",i=0,c=0;for(let d=0;d<r.length;++d)for(c=c<<8|r[d],i+=8;i>t;)i-=t,s+=e[o&c>>i];if(i&&(s+=e[o&c<<t-i]),n)for(;s.length*t&7;)s+="=";return s},y=({name:r,prefix:e,bitsPerChar:t,alphabet:n})=>ie({prefix:e,name:r,encode(o){return Pe(o,n,t)},decode(o){return Je(o,n,t,r)}});var v=Y({name:"base58btc",prefix:"z",alphabet:"123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"}),it=Y({name:"base58flickr",prefix:"Z",alphabet:"123456789abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ"});var $=y({prefix:"b",name:"base32",alphabet:"abcdefghijklmnopqrstuvwxyz234567",bitsPerChar:5}),ht=y({prefix:"B",name:"base32upper",alphabet:"ABCDEFGHIJKLMNOPQRSTUVWXYZ234567",bitsPerChar:5}),dt=y({prefix:"c",name:"base32pad",alphabet:"abcdefghijklmnopqrstuvwxyz234567=",bitsPerChar:5}),ft=y({prefix:"C",name:"base32padupper",alphabet:"ABCDEFGHIJKLMNOPQRSTUVWXYZ234567=",bitsPerChar:5}),pt=y({prefix:"v",name:"base32hex",alphabet:"0123456789abcdefghijklmnopqrstuv",bitsPerChar:5}),lt=y({prefix:"V",name:"base32hexupper",alphabet:"0123456789ABCDEFGHIJKLMNOPQRSTUV",bitsPerChar:5}),ut=y({prefix:"t",name:"base32hexpad",alphabet:"0123456789abcdefghijklmnopqrstuv=",bitsPerChar:5}),wt=y({prefix:"T",name:"base32hexpadupper",alphabet:"0123456789ABCDEFGHIJKLMNOPQRSTUV=",bitsPerChar:5}),bt=y({prefix:"h",name:"base32z",alphabet:"ybndrfg8ejkmcpqxot1uwisza345h769",bitsPerChar:5});var ae=(r,e)=>{let{bytes:t,version:n}=r;switch(n){case 0:return Qe(t,H(r),e||v.encoder);default:return Ge(t,H(r),e||$.encoder)}};var ce=new WeakMap,H=r=>{let e=ce.get(r);if(e==null){let t=new Map;return ce.set(r,t),t}return e},h=class{constructor(e,t,n,o){this.code=t,this.version=e,this.multihash=n,this.bytes=o,this["/"]=o}get asCID(){return this}get byteOffset(){return this.bytes.byteOffset}get byteLength(){return this.bytes.byteLength}toV0(){switch(this.version){case 0:return this;case 1:{let{code:e,multihash:t}=this;if(e!==I)throw new Error("Cannot convert a non dag-pb CID to CIDv0");if(t.code!==Xe)throw new Error("Cannot convert non sha2-256 multihash CID to CIDv0");return h.createV0(t)}default:throw Error(`Can not convert CID version ${this.version} to version 0. This is a bug please report`)}}toV1(){switch(this.version){case 0:{let{code:e,digest:t}=this.multihash,n=V(e,t);return h.createV1(this.code,n)}case 1:return this;default:throw Error(`Can not convert CID version ${this.version} to version 1. This is a bug please report`)}}equals(e){return h.equals(this,e)}static equals(e,t){let n=t;return n&&e.code===n.code&&e.version===n.version&&G(e.multihash,n.multihash)}toString(e){return ae(this,e)}toJSON(){return{"/":ae(this)}}link(){return this}get[Symbol.toStringTag](){return"CID"}[Symbol.for("nodejs.util.inspect.custom")](){return`CID(${this.toString()})`}static asCID(e){if(e==null)return null;let t=e;if(t instanceof h)return t;if(t["/"]!=null&&t["/"]===t.bytes||t.asCID===t){let{version:n,code:o,multihash:s,bytes:i}=t;return new h(n,o,s,i||he(n,o,s.bytes))}else if(t[Ke]===!0){let{version:n,multihash:o,code:s}=t,i=Q(o);return h.create(n,s,i)}else return null}static create(e,t,n){if(typeof t!="number")throw new Error("String codecs are no longer supported");if(!(n.bytes instanceof Uint8Array))throw new Error("Invalid digest");switch(e){case 0:{if(t!==I)throw new Error(`Version 0 CID must use dag-pb (code: ${I}) block encoding`);return new h(e,t,n,n.bytes)}case 1:{let o=he(e,t,n.bytes);return new h(e,t,n,o)}default:throw new Error("Invalid version")}}static createV0(e){return h.create(0,I,e)}static createV1(e,t){return h.create(1,e,t)}static decode(e){let[t,n]=h.decodeFirst(e);if(n.length)throw new Error("Incorrect length");return t}static decodeFirst(e){let t=h.inspectBytes(e),n=t.size-t.multihashSize,o=z(e.subarray(n,n+t.multihashSize));if(o.byteLength!==t.multihashSize)throw new Error("Incorrect length");let s=o.subarray(t.multihashSize-t.digestSize),i=new C(t.multihashCode,t.digestSize,s,o);return[t.version===0?h.createV0(i):h.createV1(t.codec,i),e.subarray(t.size)]}static inspectBytes(e){let t=0,n=()=>{let[N,k]=O(e.subarray(t));return t+=k,N},o=n(),s=I;if(o===18?(o=0,t=0):s=n(),o!==0&&o!==1)throw new RangeError(`Invalid CID version ${o}`);let i=t,c=n(),d=n(),M=t+d,p=M-i;return{version:o,codec:s,multihashCode:c,digestSize:d,multihashSize:p,size:M}}static parse(e,t){let[n,o]=je(e,t),s=h.decode(o);if(s.version===0&&e[0]!=="Q")throw Error("Version 0 CID string must not include multibase prefix");return H(s).set(n,e),s}},je=(r,e)=>{switch(r[0]){case"Q":{let t=e||v;return[v.prefix,t.decode(`${v.prefix}${r}`)]}case v.prefix:{let t=e||v;return[v.prefix,t.decode(r)]}case $.prefix:{let t=e||$;return[$.prefix,t.decode(r)]}default:{if(e==null)throw Error("To parse non base32 or base58btc encoded CID multibase decoder must be provided");return[r[0],e.decode(r)]}}},Qe=(r,e,t)=>{let{prefix:n}=t;if(n!==v.prefix)throw Error(`Cannot string encode V0 in ${t.name} encoding`);let o=e.get(n);if(o==null){let s=t.encode(r).slice(1);return e.set(n,s),s}else return o},Ge=(r,e,t)=>{let{prefix:n}=t,o=e.get(n);if(o==null){let s=t.encode(r);return e.set(n,s),s}else return o},I=112,Xe=18,he=(r,e,t)=>{let n=U(r),o=n+U(e),s=new Uint8Array(o+t.byteLength);return E(r,s,0),E(e,s,n),s.set(t,o),s},Ke=Symbol.for("@ipld/js-cid/CID");var _={};D(_,{Hasher:()=>q,from:()=>We});var We=({name:r,code:e,encode:t})=>new q(r,e,t),q=class{constructor(e,t,n){this.name=e,this.code=t,this.encode=n}digest(e){if(e instanceof Uint8Array){let t=this.encode(e);return t instanceof Uint8Array?V(this.code,t):t.then(n=>V(this.code,n))}else throw Error("Unknown type, must be binary type")}};return we(Ze);})();
 return Multiformats}));

package.json

 {
   "name": "multiformats",
-  "version": "11.0.0",
+  "version": "11.0.1",
   "description": "Interface for multihash, multicodec, multibase and CID",
@@ -5,0 +5,0 @@ "author": "Mikeal Rogers <[e-mail]> (https://www.mikealrogers.com/)",

src/cid.js

@@ -487,2 +487,6 @@ import * as varint from './varint.js'
 
+    if (cid.version === 0 && source[0] !== 'Q') {
+      throw Error('Version 0 CID string must not include multibase prefix')
+    }
+
     // Cache string representation to avoid computing it on `this.toString()`
@@ -489,0 +493,0 @@ baseCache(cid).set(prefix, source)

test/test-cid.spec.js

@@ -88,2 +88,8 @@ /* globals describe, it */
 
+    it('throws on CIDv0 string with explicit multibase prefix', async () => {
+      const str = 'zQmdfTbBqBPQ7VNxZEYEj14VmRuZBkqFbiwReogJgS1zR1n'
+      const msg = 'Version 0 CID string must not include multibase prefix'
+      assert.throws(() => CID.parse(str), msg)
+    })
+
     it('.bytes', async () => {
@@ -90,0 +96,0 @@ const hash = await sha256.digest(textEncoder.encode('abc'))

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