Jon Staab
42 lines
1023 B
TypeScript
42 lines
1023 B
TypeScript
import {writable} from "svelte/store"
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import {assoc} from "@welshman/lib"
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import type {TrustedEvent} from "@welshman/util"
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import {withGetter} from "@welshman/store"
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import {decrypt} from "@welshman/signer"
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import {getSigner, getSession} from "./session.js"
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export const plaintext = withGetter(writable<Record<string, string>>({}))
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export const getPlaintext = (e: TrustedEvent) => plaintext.get()[e.id]
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export const setPlaintext = (e: TrustedEvent, content: string) =>
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plaintext.update(assoc(e.id, content))
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export const ensurePlaintext = async (e: TrustedEvent) => {
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if (e.content && !getPlaintext(e)) {
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const $session = getSession(e.pubkey)
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if (!$session) return
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const $signer = getSigner($session)
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if (!$signer) return
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let result
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try {
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result = await decrypt($signer, e.pubkey, e.content)
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} catch (e: any) {
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if (!String(e).match(/invalid base64/)) {
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throw e
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}
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}
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if (result) {
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setPlaintext(e, result)
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}
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}
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return getPlaintext(e)
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}
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