fix(verify): offline flow

src/pages/verify/index.tsx

@@ -1,16 +1,11 @@
-import { Box, Button, Tooltip, Typography } from '@mui/material'
+import { Box, Button, Typography } from '@mui/material'
 import JSZip from 'jszip'
 import { MuiFileInput } from 'mui-file-input'
-import { Event, verifyEvent } from 'nostr-tools'
 import { useEffect, useRef, useState } from 'react'
 import { toast } from 'react-toastify'
 import { LoadingSpinner } from '../../components/LoadingSpinner'
 import { NostrController } from '../../controllers'
-import {
+import { DocSignatureEvent, Meta } from '../../types'
-  CreateSignatureEventContent,
-  DocSignatureEvent,
-  Meta
-} from '../../types'
 import {
   decryptArrayBuffer,
   extractMarksFromSignedMeta,
@@ -20,7 +15,6 @@ import {
   parseJson,
   readContentOfZipEntry,
   signEventForMetaFile,
-  shorten,
   getCurrentUserFiles
 } from '../../utils'
 import styles from './style.module.scss'
@@ -42,9 +36,6 @@ import { Container } from '../../components/Container'
 import { useSigitMeta } from '../../hooks/useSigitMeta.tsx'
 import { StickySideColumns } from '../../layouts/StickySideColumns.tsx'
 import { UsersDetails } from '../../components/UsersDetails.tsx/index.tsx'
-import { UserAvatar } from '../../components/UserAvatar/index.tsx'
-import { useSigitProfiles } from '../../hooks/useSigitProfiles.tsx'
-import { TooltipChild } from '../../components/TooltipChild.tsx'
 import FileList from '../../components/FileList'
 import { CurrentUserFile } from '../../types/file.ts'
 import { Mark } from '../../types/mark.ts'
@@ -163,12 +154,26 @@ const SlimPdfView = ({
 
 export const VerifyPage = () => {
   const location = useLocation()
+  const usersPubkey = useSelector((state: State) => state.auth.usersPubkey)
+
+  const nostrController = NostrController.getInstance()
+
+  const [isLoading, setIsLoading] = useState(false)
+  const [loadingSpinnerDesc, setLoadingSpinnerDesc] = useState('')
+
   /**
    * uploadedZip will be received from home page when a user uploads a sigit zip wrapper that contains meta.json
    * meta will be received in navigation from create & home page in online mode
    */
-  const { uploadedZip, meta } = location.state || {}
+  const { uploadedZip, meta: metaInNavState } = location.state || {}
+  const [selectedFile, setSelectedFile] = useState<File | null>(null)
+  useEffect(() => {
+    if (uploadedZip) {
+      setSelectedFile(uploadedZip)
+    }
+  }, [uploadedZip])
 
+  const [meta, setMeta] = useState<Meta>(metaInNavState)
   const {
     submittedBy,
     zipUrl,
@@ -179,44 +184,22 @@ export const VerifyPage = () => {
     parsedSignatureEvents
   } = useSigitMeta(meta)
 
-  const profiles = useSigitProfiles([
+  const [files, setFiles] = useState<{ [filename: string]: SigitFile }>({})
-    ...(submittedBy ? [submittedBy] : []),
-    ...signers,
-    ...viewers
-  ])
-
-  const [isLoading, setIsLoading] = useState(false)
-  const [loadingSpinnerDesc, setLoadingSpinnerDesc] = useState('')
-
-  const [selectedFile, setSelectedFile] = useState<File | null>(null)
 
+  const [currentFile, setCurrentFile] = useState<CurrentUserFile | null>(null)
   const [currentFileHashes, setCurrentFileHashes] = useState<{
     [key: string]: string | null
   }>({})
-  const [files, setFiles] = useState<{ [filename: string]: SigitFile }>({})
-  const [currentFile, setCurrentFile] = useState<CurrentUserFile | null>(null)
-  const [signatureFileHashes, setSignatureFileHashes] = useState<{
-    [key: string]: string
-  }>(fileHashes)
-
-  useEffect(() => {
-    setSignatureFileHashes(fileHashes)
-  }, [fileHashes])
 
   useEffect(() => {
     if (Object.entries(files).length > 0) {
-      const tmp = getCurrentUserFiles(files, fileHashes, signatureFileHashes)
+      const tmp = getCurrentUserFiles(files, currentFileHashes, fileHashes)
       setCurrentFile(tmp[0])
     }
-  }, [signatureFileHashes, fileHashes, files])
+  }, [currentFileHashes, fileHashes, files])
-
-  const usersPubkey = useSelector((state: State) => state.auth.usersPubkey)
-  const nostrController = NostrController.getInstance()
 
   useEffect(() => {
-    if (uploadedZip) {
+    if (metaInNavState && encryptionKey) {
-      setSelectedFile(uploadedZip)
-    } else if (meta && encryptionKey) {
       const processSigit = async () => {
         setIsLoading(true)
 
@@ -301,7 +284,7 @@ export const VerifyPage = () => {
 
       processSigit()
     }
-  }, [encryptionKey, meta, uploadedZip, zipUrl])
+  }, [encryptionKey, metaInNavState, zipUrl])
 
   const handleVerify = async () => {
     if (!selectedFile) return
@@ -315,6 +298,7 @@ export const VerifyPage = () => {
 
     if (!zip) return
 
+    const files: { [filename: string]: SigitFile } = {}
     const fileHashes: { [key: string]: string | null } = {}
     const fileNames = Object.values(zip.files)
       .filter((entry) => entry.name.startsWith('files/') && !entry.dir)
@@ -322,24 +306,27 @@ export const VerifyPage = () => {
 
     // generate hashes for all entries in files folder of zipArchive
     // these hashes can be used to verify the originality of files
-    for (const fileName of fileNames) {
+    for (const zipFilePath of fileNames) {
       const arrayBuffer = await readContentOfZipEntry(
         zip,
-        fileName,
+        zipFilePath,
         'arraybuffer'
       )
 
+      const fileName = zipFilePath.replace(/^files\//, '')
       if (arrayBuffer) {
+        files[fileName] = await convertToSigitFile(arrayBuffer, fileName)
         const hash = await getHash(arrayBuffer)
 
         if (hash) {
-          fileHashes[fileName.replace(/^files\//, '')] = hash
+          fileHashes[fileName] = hash
         }
       } else {
-        fileHashes[fileName.replace(/^files\//, '')] = null
+        fileHashes[fileName] = null
       }
     }
 
+    setFiles(files)
     setCurrentFileHashes(fileHashes)
 
     setLoadingSpinnerDesc('Parsing meta.json')
@@ -368,43 +355,7 @@ export const VerifyPage = () => {
 
     if (!parsedMetaJson) return
 
-    const createSignatureEvent = await parseJson<Event>(
+    setMeta(parsedMetaJson)
-      parsedMetaJson.createSignature
-    ).catch((err) => {
-      console.log('err in parsing the createSignature event:>> ', err)
-      toast.error(
-        err.message || 'error occurred in parsing the create signature event'
-      )
-      setIsLoading(false)
-      return null
-    })
-
-    if (!createSignatureEvent) return
-
-    const isValidCreateSignature = verifyEvent(createSignatureEvent)
-
-    if (!isValidCreateSignature) {
-      toast.error('Create signature is invalid')
-      setIsLoading(false)
-      return
-    }
-
-    const createSignatureContent = await parseJson<CreateSignatureEventContent>(
-      createSignatureEvent.content
-    ).catch((err) => {
-      console.log(
-        `err in parsing the createSignature event's content :>> `,
-        err
-      )
-      toast.error(
-        err.message ||
-          `error occurred in parsing the create signature event's content`
-      )
-      setIsLoading(false)
-      return null
-    })
-
-    if (!createSignatureContent) return
 
     setIsLoading(false)
   }
@@ -479,47 +430,6 @@ export const VerifyPage = () => {
     setIsLoading(false)
   }
 
-  const displayExportedBy = () => {
-    if (!meta || !meta.exportSignature) return null
-
-    const exportSignatureString = meta.exportSignature
-
-    try {
-      const exportSignatureEvent = JSON.parse(exportSignatureString) as Event
-
-      if (verifyEvent(exportSignatureEvent)) {
-        const exportedBy = exportSignatureEvent.pubkey
-        const profile = profiles[exportedBy]
-        return (
-          <Tooltip
-            title={
-              profile?.display_name ||
-              profile?.name ||
-              shorten(hexToNpub(exportedBy))
-            }
-            placement="top"
-            arrow
-            disableInteractive
-          >
-            <TooltipChild>
-              <UserAvatar pubkey={exportedBy} image={profile?.picture} />
-            </TooltipChild>
-          </Tooltip>
-        )
-      } else {
-        toast.error(`Invalid export signature!`)
-        return (
-          <Typography component="label" sx={{ color: 'red' }}>
-            Invalid export signature
-          </Typography>
-        )
-      }
-    } catch (error) {
-      console.error(`An error occurred wile parsing exportSignature`, error)
-      return null
-    }
-  }
-
   return (
     <>
       {isLoading && <LoadingSpinner desc={loadingSpinnerDesc} />}
@@ -554,22 +464,19 @@ export const VerifyPage = () => {
         {meta && (
           <StickySideColumns
             left={
-              <>
+              currentFile !== null && (
-                {currentFile !== null && (
                 <FileList
                   files={getCurrentUserFiles(
                     files,
                     currentFileHashes,
-                      signatureFileHashes
+                    fileHashes
                   )}
                   currentFile={currentFile}
                   setCurrentFile={setCurrentFile}
                   handleDownload={handleExport}
                   downloadLabel="Download Sigit"
                 />
-                )}
+              )
-                {displayExportedBy()}
-              </>
             }
             right={<UsersDetails meta={meta} />}
             leftIcon={faFileDownload}
@@ -578,11 +485,7 @@ export const VerifyPage = () => {
           >
             <SlimPdfView
               currentFile={currentFile}
-              files={getCurrentUserFiles(
+              files={getCurrentUserFiles(files, currentFileHashes, fileHashes)}
-                files,
-                currentFileHashes,
-                signatureFileHashes
-              )}
               parsedSignatureEvents={parsedSignatureEvents}
             />
           </StickySideColumns>