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fix: need to use dns friendly cids for IPNS

This commit is contained in:
Derrick Hammer 2023-10-18 15:08:34 -04:00
parent c29f2422a2
commit 861a8229d4
Signed by: pcfreak30
GPG Key ID: C997C339BE476FF2
1 changed files with 16 additions and 1 deletions
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17
src/index.ts
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@ -236,9 +236,22 @@ async function handleCat(aq: ActiveQuery) {
aq.respond(); aq.respond();
} }
function toDNSPrefix(cid: CID) {
const cidb32 = cid.toV1().toString(bases.base32);
if (cidb32.length <= 63) {
return cidb32;
}
const cidb36 = cid.toV1().toString(bases.base36);
if (cidb36.length <= 63) {
return cidb36;
}
throw new Error("CID incompatible with DNS label length limit of 63");
}
async function handleIpnsResolve(aq: ActiveQuery) { async function handleIpnsResolve(aq: ActiveQuery) {
await ready(); await ready();
/*
await activeIpfsPeersDefer.promise; await activeIpfsPeersDefer.promise;
if (ipfs.libp2p.getPeers().length === 0) { if (ipfs.libp2p.getPeers().length === 0) {
@ -246,16 +259,18 @@ async function handleIpnsResolve(aq: ActiveQuery) {
} }
await activeIpfsPeersDefer.promise; await activeIpfsPeersDefer.promise;
*/
if (!aq.callerInput || !("cid" in aq.callerInput)) { if (!aq.callerInput || !("cid" in aq.callerInput)) {
aq.reject("cid required"); aq.reject("cid required");
return; return;
} }
try { try {
const cid = getCID(aq.callerInput.cid); const cid = getCID(aq.callerInput.cid);
const ret = await fetch( const ret = await fetch(
`${IPFS_GATEWAY}/ipns/${cid.toString()}?format=ipns-record`, `${IPFS_GATEWAY}/ipns/${toDNSPrefix(cid)}?format=ipns-record`,
); );
const buf = await ret.arrayBuffer(); const buf = await ret.arrayBuffer();