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Merge pull request #558 from xmtp/cv/example-app-fix-remote-attachment
Fixes remote attachments testing in example app
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,4 +1,4 @@ | ||
| localhost { | ||
| localhost:8443 { | ||
| tls internal | ||
| reverse_proxy upload-service:4567 | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| import ReactNativeBlobUtil from 'react-native-blob-util' | ||
|
|
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| import { Test, createClients, delayToPropogate } from './test-utils' | ||
| import { RemoteAttachmentContent } from '../../../src/index' | ||
| const { fs } = ReactNativeBlobUtil | ||
|
|
||
| export const contentTypeTests: Test[] = [] | ||
| let counter = 1 | ||
| function test(name: string, perform: () => Promise<boolean>) { | ||
| contentTypeTests.push({ | ||
| name: String(counter++) + '. ' + name, | ||
| run: perform, | ||
| }) | ||
| } | ||
|
|
||
| test('remote attachments should work', async () => { | ||
| const [alix, bo] = await createClients(2) | ||
| const convo = await alix.conversations.newConversation(bo.address) | ||
|
|
||
| // Alice is sending Bob a file from her phone. | ||
| const filename = `${Date.now()}.txt` | ||
| const file = `${fs.dirs.CacheDir}/${filename}` | ||
| await fs.writeFile(file, 'hello world', 'utf8') | ||
| const { encryptedLocalFileUri, metadata } = await alix.encryptAttachment({ | ||
| fileUri: `file://${file}`, | ||
| mimeType: 'text/plain', | ||
| }) | ||
|
|
||
| const encryptedFile = encryptedLocalFileUri.slice('file://'.length) | ||
| const originalContent = await fs.readFile(file, 'base64') | ||
| const encryptedContent = await fs.readFile(encryptedFile, 'base64') | ||
| if (encryptedContent === originalContent) { | ||
| throw new Error('encrypted file should not match original') | ||
| } | ||
|
|
||
| // This is where the app will upload the encrypted file to a remote server and generate a URL. | ||
| // let url = await uploadFile(encryptedLocalFileUri); | ||
| const url = 'https://example.com/123' | ||
|
|
||
| // Together with the metadata, we send the URL as a remoteAttachment message to the conversation. | ||
| await convo.send({ | ||
| remoteAttachment: { | ||
| ...metadata, | ||
| scheme: 'https://', | ||
| url, | ||
| }, | ||
| }) | ||
| await delayToPropogate() | ||
|
|
||
| // Now we should see the remote attachment message. | ||
| const messages = await convo.messages() | ||
| if (messages.length !== 1) { | ||
| throw new Error('Expected 1 message') | ||
| } | ||
| const message = messages[0] | ||
|
|
||
| if (message.contentTypeId !== 'xmtp.org/remoteStaticAttachment:1.0') { | ||
| throw new Error('Expected correctly formatted typeId') | ||
| } | ||
| if (!message.content()) { | ||
| throw new Error('Expected remoteAttachment') | ||
| } | ||
| if ( | ||
| (message.content() as RemoteAttachmentContent).url !== | ||
| 'https://example.com/123' | ||
| ) { | ||
| throw new Error('Expected url to match') | ||
| } | ||
|
|
||
| // This is where the app prompts the user to download the encrypted file from `url`. | ||
| // TODO: let downloadedFile = await downloadFile(url); | ||
| // But to simplify this test, we're just going to copy | ||
| // the previously encrypted file and pretend that we just downloaded it. | ||
| const downloadedFileUri = `file://${fs.dirs.CacheDir}/${Date.now()}.bin` | ||
| await fs.cp( | ||
| new URL(encryptedLocalFileUri).pathname, | ||
| new URL(downloadedFileUri).pathname | ||
| ) | ||
|
|
||
| // Now we can decrypt the downloaded file using the message metadata. | ||
| const attached = await alix.decryptAttachment({ | ||
| encryptedLocalFileUri: downloadedFileUri, | ||
| metadata: message.content() as RemoteAttachmentContent, | ||
| }) | ||
| if (attached.mimeType !== 'text/plain') { | ||
| throw new Error('Expected mimeType to match') | ||
| } | ||
| if (attached.filename !== filename) { | ||
| throw new Error(`Expected ${attached.filename} to equal ${filename}`) | ||
| } | ||
| const text = await fs.readFile(new URL(attached.fileUri).pathname, 'utf8') | ||
| if (text !== 'hello world') { | ||
| throw new Error('Expected text to match') | ||
| } | ||
| return true | ||
| }) |
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