aladinnetwork-blockstack
Version:
The Aladin Javascript library for authentication, identity, and storage.
78 lines • 2.68 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
require("cross-fetch/polyfill");
const serviceUtils_1 = require("./serviceUtils");
const fetchUtil_1 = require("../../fetchUtil");
/**
* @ignore
*/
class Service {
static validateProof(proof, ownerAddress, name = null) {
let proofUrl;
return Promise.resolve()
.then(() => {
proofUrl = this.getProofUrl(proof);
return fetchUtil_1.fetchPrivate(proofUrl);
})
.then((res) => {
if (res.status !== 200) {
throw new Error(`Proof url ${proofUrl} returned unexpected http status ${res.status}.
Unable to validate proof.`);
}
return res.text();
})
.then((text) => {
// Validate identity in provided proof body/tags if required
if (this.shouldValidateIdentityInBody()
&& proof.identifier !== this.getProofIdentity(text)) {
return proof;
}
const proofText = this.getProofStatement(text);
proof.valid = serviceUtils_1.containsValidProofStatement(proofText, name)
|| serviceUtils_1.containsValidAddressProofStatement(proofText, ownerAddress);
return proof;
})
.catch((error) => {
console.error(error);
proof.valid = false;
return proof;
});
}
static getBaseUrls() {
return [];
}
static getProofIdentity(searchText) {
return searchText;
}
static getProofStatement(searchText) {
return searchText;
}
static shouldValidateIdentityInBody() {
return false;
}
static prefixScheme(proofUrl) {
if (!proofUrl.startsWith('https://') && !proofUrl.startsWith('http://')) {
return `https://${proofUrl}`;
}
else if (proofUrl.startsWith('http://')) {
return proofUrl.replace('http://', 'https://');
}
else {
return proofUrl;
}
}
static getProofUrl(proof) {
const baseUrls = this.getBaseUrls();
let proofUrl = proof.proof_url.toLowerCase();
proofUrl = this.prefixScheme(proofUrl);
for (let i = 0; i < baseUrls.length; i++) {
const requiredPrefix = `${baseUrls[i]}${proof.identifier}`.toLowerCase();
if (proofUrl.startsWith(requiredPrefix)) {
return proofUrl;
}
}
throw new Error(`Proof url ${proof.proof_url} is not valid for service ${proof.service}`);
}
}
exports.Service = Service;
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