mirror of https://github.com/Chocobozzz/PeerTube
				
				
				
			
		
			
				
	
	
		
			97 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			TypeScript
		
	
	
			
		
		
	
	
			97 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			TypeScript
		
	
	
| import * as Bluebird from 'bluebird'
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| import { createWriteStream, remove } from 'fs-extra'
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| import * as request from 'request'
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| import { ACTIVITY_PUB, PEERTUBE_VERSION, WEBSERVER } from '../initializers/constants'
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| import { processImage } from './image-utils'
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| import { join } from 'path'
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| import { logger } from './logger'
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| import { CONFIG } from '../initializers/config'
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| 
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| function doRequest <T> (
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|   requestOptions: request.CoreOptions & request.UriOptions & { activityPub?: boolean },
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|   bodyKBLimit = 1000 // 1MB
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| ): Bluebird<{ response: request.RequestResponse, body: T }> {
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|   if (!(requestOptions.headers)) requestOptions.headers = {}
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|   requestOptions.headers['User-Agent'] = getUserAgent()
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| 
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|   if (requestOptions.activityPub === true) {
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|     requestOptions.headers['accept'] = ACTIVITY_PUB.ACCEPT_HEADER
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|   }
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| 
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|   return new Bluebird<{ response: request.RequestResponse, body: T }>((res, rej) => {
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|     request(requestOptions, (err, response, body) => err ? rej(err) : res({ response, body }))
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|       .on('data', onRequestDataLengthCheck(bodyKBLimit))
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|   })
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| }
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| 
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| function doRequestAndSaveToFile (
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|   requestOptions: request.CoreOptions & request.UriOptions,
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|   destPath: string,
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|   bodyKBLimit = 10000 // 10MB
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| ) {
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|   if (!requestOptions.headers) requestOptions.headers = {}
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|   requestOptions.headers['User-Agent'] = getUserAgent()
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| 
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|   return new Bluebird<void>((res, rej) => {
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|     const file = createWriteStream(destPath)
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|     file.on('finish', () => res())
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| 
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|     request(requestOptions)
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|       .on('data', onRequestDataLengthCheck(bodyKBLimit))
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|       .on('error', err => {
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|         file.close()
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| 
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|         remove(destPath)
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|           .catch(err => logger.error('Cannot remove %s after request failure.', destPath, { err }))
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| 
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|         return rej(err)
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|       })
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|       .pipe(file)
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|   })
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| }
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| 
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| async function downloadImage (url: string, destDir: string, destName: string, size: { width: number, height: number }) {
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|   const tmpPath = join(CONFIG.STORAGE.TMP_DIR, 'pending-' + destName)
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|   await doRequestAndSaveToFile({ method: 'GET', uri: url }, tmpPath)
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| 
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|   const destPath = join(destDir, destName)
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| 
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|   try {
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|     await processImage(tmpPath, destPath, size)
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|   } catch (err) {
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|     await remove(tmpPath)
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| 
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|     throw err
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|   }
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| }
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| 
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| function getUserAgent () {
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|   return `PeerTube/${PEERTUBE_VERSION} (+${WEBSERVER.URL})`
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| }
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| 
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| // ---------------------------------------------------------------------------
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| 
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| export {
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|   doRequest,
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|   doRequestAndSaveToFile,
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|   downloadImage
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| }
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| 
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| // ---------------------------------------------------------------------------
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| 
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| // Thanks to https://github.com/request/request/issues/2470#issuecomment-268929907 <3
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| function onRequestDataLengthCheck (bodyKBLimit: number) {
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|   let bufferLength = 0
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|   const bytesLimit = bodyKBLimit * 1000
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| 
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|   return function (chunk) {
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|     bufferLength += chunk.length
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|     if (bufferLength > bytesLimit) {
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|       this.abort()
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| 
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|       const error = new Error(`Response was too large - aborted after ${bytesLimit} bytes.`)
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|       this.emit('error', error)
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|     }
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|   }
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| }
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