@ceramicnetwork/pinning-ipfs-backend
Version:
IPFS Pinning backend
92 lines • 3.88 kB
JavaScript
var __classPrivateFieldSet = (this && this.__classPrivateFieldSet) || function (receiver, state, value, kind, f) {
if (kind === "m") throw new TypeError("Private method is not writable");
if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a setter");
if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot write private member to an object whose class did not declare it");
return (kind === "a" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;
};
var __classPrivateFieldGet = (this && this.__classPrivateFieldGet) || function (receiver, state, kind, f) {
if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a getter");
if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot read private member from an object whose class did not declare it");
return kind === "m" ? f : kind === "a" ? f.call(receiver) : f ? f.value : state.get(receiver);
};
var _IpfsPinning_ipfs;
import * as sha256 from '@stablelib/sha256';
import { toString } from 'uint8arrays/to-string';
import { create as createIpfsClient } from 'ipfs-http-client';
const FROM_CONTEXT_HOST = 'ipfs+context';
export class NoIpfsInstanceError extends Error {
constructor() {
super('No IPFS instance available');
}
}
const textEncoder = new TextEncoder();
export class IpfsPinning {
constructor(connectionString, ipfs) {
this.connectionString = connectionString;
_IpfsPinning_ipfs.set(this, void 0);
if (connectionString == 'ipfs+context') {
this.ipfsAddress = FROM_CONTEXT_HOST;
}
else {
const url = new URL(connectionString);
const ipfsHost = url.hostname;
const ipfsPort = parseInt(url.port, 10) || 5001;
const protocol = url.protocol
.replace('ipfs+http:', 'http')
.replace('ipfs+https:', 'https')
.replace('ipfs+context:', FROM_CONTEXT_HOST);
if (protocol === FROM_CONTEXT_HOST) {
this.ipfsAddress = FROM_CONTEXT_HOST;
}
else {
this.ipfsAddress = `${protocol}://${ipfsHost}:${ipfsPort}`;
}
}
__classPrivateFieldSet(this, _IpfsPinning_ipfs, ipfs, "f");
const bytes = textEncoder.encode(this.connectionString);
const digest = toString(sha256.hash(bytes), 'base64urlpad');
this.id = `${IpfsPinning.designator}@${digest}`;
}
get ipfs() {
return __classPrivateFieldGet(this, _IpfsPinning_ipfs, "f");
}
open() {
if (this.ipfsAddress === FROM_CONTEXT_HOST) {
if (!__classPrivateFieldGet(this, _IpfsPinning_ipfs, "f")) {
throw new NoIpfsInstanceError();
}
}
else {
__classPrivateFieldSet(this, _IpfsPinning_ipfs, createIpfsClient({
url: this.ipfsAddress,
}), "f");
}
}
async close() {
}
async pin(cid) {
await __classPrivateFieldGet(this, _IpfsPinning_ipfs, "f")?.pin.add(cid, { recursive: false });
}
async unpin(cid) {
await __classPrivateFieldGet(this, _IpfsPinning_ipfs, "f")?.pin.rm(cid);
}
async ls() {
const iterable = __classPrivateFieldGet(this, _IpfsPinning_ipfs, "f")?.pin.ls();
if (iterable) {
const result = {};
for await (const r of iterable) {
result[r.cid.toString()] = [this.id];
}
return result;
}
else {
return {};
}
}
async info() {
return { [this.id]: {} };
}
}
_IpfsPinning_ipfs = new WeakMap();
IpfsPinning.designator = 'ipfs';
//# sourceMappingURL=index.js.map