427 lines
11 KiB
TypeScript
427 lines
11 KiB
TypeScript
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import JSZip from 'jszip'
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import {
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Meta,
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ProfileMetadata,
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SignedEventContent,
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User,
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UserRole
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} from '../../../types'
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import {
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Box,
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IconButton,
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List,
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ListItem,
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ListSubheader,
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Table,
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TableBody,
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TableCell,
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TableHead,
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TableRow,
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Tooltip,
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Typography,
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useTheme
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} from '@mui/material'
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import {
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Download,
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CheckCircle,
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Cancel,
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HourglassTop
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} from '@mui/icons-material'
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import saveAs from 'file-saver'
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import { kinds, Event } from 'nostr-tools'
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import { useState, useEffect } from 'react'
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import { toast } from 'react-toastify'
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import { UserComponent } from '../../../components/username'
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import { MetadataController } from '../../../controllers'
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import {
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npubToHex,
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readContentOfZipEntry,
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shorten,
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hexToNpub,
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parseJson
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} from '../../../utils'
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import styles from '../style.module.scss'
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type DisplayMetaProps = {
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meta: Meta
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zip: JSZip
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submittedBy: string
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signers: `npub1${string}`[]
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viewers: `npub1${string}`[]
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creatorFileHashes: { [key: string]: string }
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currentFileHashes: { [key: string]: string | null }
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signedBy: `npub1${string}`[]
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nextSigner?: string
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getPrevSignersSig: (usersNpub: string) => string | null
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}
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export const DisplayMeta = ({
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meta,
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zip,
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submittedBy,
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signers,
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viewers,
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creatorFileHashes,
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currentFileHashes,
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signedBy,
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nextSigner,
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getPrevSignersSig
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}: DisplayMetaProps) => {
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const theme = useTheme()
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const textColor = theme.palette.getContrastText(
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theme.palette.background.paper
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)
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const [metadata, setMetadata] = useState<{ [key: string]: ProfileMetadata }>(
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{}
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)
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const [users, setUsers] = useState<User[]>([])
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useEffect(() => {
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signers.forEach((signer) => {
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const hexKey = npubToHex(signer)
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setUsers((prev) => {
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if (prev.findIndex((user) => user.pubkey === hexKey) !== -1) return prev
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return [
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...prev,
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{
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pubkey: hexKey!,
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role: UserRole.signer
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}
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]
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})
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})
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viewers.forEach((viewer) => {
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const hexKey = npubToHex(viewer)
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setUsers((prev) => {
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if (prev.findIndex((user) => user.pubkey === hexKey) !== -1) return prev
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return [
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...prev,
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{
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pubkey: hexKey!,
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role: UserRole.viewer
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}
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]
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})
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})
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}, [signers, viewers])
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useEffect(() => {
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const metadataController = new MetadataController()
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const hexKeys: string[] = [
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npubToHex(submittedBy)!,
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...users.map((user) => user.pubkey)
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]
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hexKeys.forEach((key) => {
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if (!(key in metadata)) {
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const handleMetadataEvent = (event: Event) => {
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const metadataContent =
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metadataController.extractProfileMetadataContent(event)
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if (metadataContent)
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setMetadata((prev) => ({
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...prev,
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[key]: metadataContent
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}))
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}
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metadataController.on(key, (kind: number, event: Event) => {
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if (kind === kinds.Metadata) {
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handleMetadataEvent(event)
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}
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})
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metadataController
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.findMetadata(key)
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.then((metadataEvent) => {
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if (metadataEvent) handleMetadataEvent(metadataEvent)
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})
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.catch((err) => {
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console.error(`error occurred in finding metadata for: ${key}`, err)
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})
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}
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})
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}, [users, submittedBy])
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const downloadFile = async (filename: string) => {
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const arrayBuffer = await readContentOfZipEntry(
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zip,
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`files/${filename}`,
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'arraybuffer'
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)
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if (!arrayBuffer) return
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const blob = new Blob([arrayBuffer])
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saveAs(blob, filename)
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}
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return (
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<List
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sx={{
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bgcolor: 'background.paper',
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marginTop: 2
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}}
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subheader={
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<ListSubheader className={styles.subHeader}>Meta Info</ListSubheader>
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}
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>
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<ListItem
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sx={{
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marginTop: 1,
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gap: '15px'
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}}
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>
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<Typography variant="h6" sx={{ color: textColor }}>
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Submitted By
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</Typography>
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{(function () {
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const profile = metadata[submittedBy]
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return (
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<UserComponent
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pubkey={submittedBy}
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name={
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profile?.display_name ||
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profile?.name ||
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shorten(hexToNpub(submittedBy))
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}
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image={profile?.picture}
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/>
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)
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})()}
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</ListItem>
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<ListItem
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sx={{
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marginTop: 1,
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flexDirection: 'column',
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alignItems: 'flex-start'
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}}
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>
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<Typography variant="h6" sx={{ color: textColor }}>
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Files
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</Typography>
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<Box className={styles.filesWrapper}>
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{Object.entries(currentFileHashes).map(([filename, hash], index) => {
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const isValidHash = creatorFileHashes[filename] === hash
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return (
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<Box key={`file-${index}`} className={styles.file}>
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<Tooltip title="Download File" arrow>
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<IconButton onClick={() => downloadFile(filename)}>
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<Download />
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</IconButton>
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</Tooltip>
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<Typography
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component="label"
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sx={{
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color: textColor,
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flexGrow: 1
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}}
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>
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{filename}
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</Typography>
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{isValidHash && (
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<Tooltip title="File integrity check passed" arrow>
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<CheckCircle sx={{ color: theme.palette.success.light }} />
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</Tooltip>
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)}
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{!isValidHash && (
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<Tooltip title="File integrity check failed" arrow>
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<Cancel sx={{ color: theme.palette.error.main }} />
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</Tooltip>
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)}
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</Box>
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)
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})}
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</Box>
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</ListItem>
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<ListItem sx={{ marginTop: 1 }}>
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<Table>
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<TableHead>
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<TableRow>
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<TableCell className={styles.tableCell}>User</TableCell>
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<TableCell className={styles.tableCell}>Role</TableCell>
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<TableCell>Signed Status</TableCell>
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</TableRow>
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</TableHead>
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<TableBody>
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{users.map((user) => (
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<DisplayUser
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key={user.pubkey}
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meta={meta}
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user={user}
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metadata={metadata}
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signedBy={signedBy}
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nextSigner={nextSigner}
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getPrevSignersSig={getPrevSignersSig}
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/>
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))}
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</TableBody>
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</Table>
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</ListItem>
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</List>
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)
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}
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enum PrevSignatureValidationEnum {
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Pending,
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Valid,
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Invalid
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}
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enum UserStatus {
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Viewer = 'Viewer',
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Awaiting = 'Awaiting Signature',
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Signed = 'Signed',
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Pending = 'Pending'
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}
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type DisplayUserProps = {
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meta: Meta
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user: User
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metadata: { [key: string]: ProfileMetadata }
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signedBy: `npub1${string}`[]
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nextSigner?: string
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getPrevSignersSig: (usersNpub: string) => string | null
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}
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const DisplayUser = ({
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meta,
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user,
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metadata,
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signedBy,
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nextSigner,
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getPrevSignersSig
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}: DisplayUserProps) => {
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const theme = useTheme()
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const userMeta = metadata[user.pubkey]
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const [userStatus, setUserStatus] = useState<UserStatus>(UserStatus.Pending)
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const [prevSignatureStatus, setPreviousSignatureStatus] =
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useState<PrevSignatureValidationEnum>(PrevSignatureValidationEnum.Pending)
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useEffect(() => {
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if (user.role === UserRole.viewer) {
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setUserStatus(UserStatus.Viewer)
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return
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}
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// check if user has signed the document
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const usersNpub = hexToNpub(user.pubkey)
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if (signedBy.includes(usersNpub)) {
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setUserStatus(UserStatus.Signed)
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return
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}
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// check if user is the next signer
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if (user.pubkey === nextSigner) {
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setUserStatus(UserStatus.Awaiting)
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return
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}
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}, [user, nextSigner, signedBy])
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useEffect(() => {
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const validatePrevSignature = async () => {
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const handleNullCase = () => {
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setPreviousSignatureStatus(PrevSignatureValidationEnum.Invalid)
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return
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}
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// get previous signers sig from the content of current signers signed event
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const npub = hexToNpub(user.pubkey)
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const signedEvent = await parseJson<Event>(
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meta.docSignatures[npub]
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).catch((err) => {
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console.log(`err in parsing the singed event for ${npub}:>> `, err)
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toast.error(
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err.message ||
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'error occurred in parsing the signed event signature event'
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)
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return null
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})
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if (!signedEvent) return handleNullCase()
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// now that we have signed event of current signer, we'll extract prevSig from its content
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const parsedContent = await parseJson<SignedEventContent>(
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signedEvent.content
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).catch((err) => {
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console.log(
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`an error occurred in parsing the content of signedEvent of ${npub}`,
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err
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)
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toast.error(
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err.message ||
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`an error occurred in parsing the content of signedEvent of ${npub}`
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)
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return null
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})
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if (!parsedContent) return handleNullCase()
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const prevSignersSignature = getPrevSignersSig(npub)
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if (!prevSignersSignature) return handleNullCase()
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setPreviousSignatureStatus(
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parsedContent.prevSig === prevSignersSignature
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? PrevSignatureValidationEnum.Valid
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: PrevSignatureValidationEnum.Invalid
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)
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}
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if (userStatus === UserStatus.Signed) {
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validatePrevSignature()
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}
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}, [userStatus, meta.docSignatures, user.pubkey, getPrevSignersSig])
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return (
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<TableRow>
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<TableCell className={styles.tableCell}>
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<UserComponent
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pubkey={user.pubkey}
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name={
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userMeta?.display_name ||
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userMeta?.name ||
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shorten(hexToNpub(user.pubkey))
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}
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image={userMeta?.picture}
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/>
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</TableCell>
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<TableCell className={styles.tableCell}>{user.role}</TableCell>
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<TableCell>
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<Box sx={{ display: 'flex', alignItems: 'center', gap: '10px' }}>
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<Typography component="label">{userStatus}</Typography>
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{userStatus === UserStatus.Signed && (
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<>
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{prevSignatureStatus === PrevSignatureValidationEnum.Valid && (
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<Tooltip title="Contains valid signature of prev signer" arrow>
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<CheckCircle sx={{ color: theme.palette.success.light }} />
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</Tooltip>
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)}
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{prevSignatureStatus === PrevSignatureValidationEnum.Invalid && (
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<Tooltip
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title="Contains invalid signature of prev signer"
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arrow
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>
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<Cancel sx={{ color: theme.palette.error.main }} />
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</Tooltip>
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)}
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</>
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)}
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{userStatus === UserStatus.Awaiting && (
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<Tooltip title="Waiting for user's sign" arrow>
|
||
|
|
<HourglassTop />
|
||
|
|
</Tooltip>
|
||
|
|
)}
|
||
|
|
</Box>
|
||
|
|
</TableCell>
|
||
|
|
</TableRow>
|
||
|
|
)
|
||
|
|
}
|