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import {MicroblogDelegator, MicroblogReader, auth} from '@adx/common'
import * as ucan from 'ucans'
export class API {
userCfg?: UserConfig
reader?: MicroblogReader
writer?: MicroblogDelegator
setUserCfg(cfg: UserConfig) {
this.userCfg = cfg
this.createReader()
this.createWriter()
}
private createReader() {
if (!this.userCfg?.serverUrl) {
this.reader = undefined
} else {
this.reader = new MicroblogReader(
this.userCfg.serverUrl,
this.userCfg.did,
)
}
}
private createWriter() {
if (
this.userCfg?.serverUrl &&
this.userCfg?.did &&
this.userCfg?.keypair &&
this.userCfg?.ucanStore
) {
this.writer = new MicroblogDelegator(
this.userCfg.serverUrl,
this.userCfg.did,
this.userCfg.keypair,
this.userCfg.ucanStore,
)
} else {
this.writer = undefined
}
}
}
export interface SerializedUserConfig {
serverUrl?: string
secretKeyStr?: string
rootAuthToken?: string
}
export class UserConfig {
serverUrl?: string
did?: string
keypair?: ucan.EdKeypair
rootAuthToken?: string
ucanStore?: ucan.Store
get hasWriteCaps() {
return Boolean(this.did && this.keypair && this.ucanStore)
}
static async createTest(serverUrl: string) {
const cfg = new UserConfig()
cfg.serverUrl = serverUrl
cfg.keypair = await ucan.EdKeypair.create()
cfg.did = cfg.keypair.did()
cfg.rootAuthToken = (await auth.claimFull(cfg.did, cfg.keypair)).encoded()
cfg.ucanStore = await ucan.Store.fromTokens([cfg.rootAuthToken])
return cfg
}
static async hydrate(state: SerializedUserConfig) {
const cfg = new UserConfig()
await cfg.hydrate(state)
return cfg
}
async serialize(): Promise<SerializedUserConfig> {
return {
serverUrl: this.serverUrl,
secretKeyStr: this.keypair
? await this.keypair.export('base64')
: undefined,
rootAuthToken: this.rootAuthToken,
}
}
async hydrate(state: SerializedUserConfig) {
this.serverUrl = state.serverUrl
if (state.secretKeyStr && state.rootAuthToken) {
this.keypair = ucan.EdKeypair.fromSecretKey(state.secretKeyStr)
this.did = this.keypair.did()
this.rootAuthToken = state.rootAuthToken
this.ucanStore = await ucan.Store.fromTokens([this.rootAuthToken])
}
}
}
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