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1 | 1 | 'use strict'
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2 | 2 |
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3 | 3 | const assert = require('node:assert')
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4 |
| -const { kDestroyed, kBodyUsed, kListeners } = require('./symbols') |
| 4 | +const { kDestroyed, kBodyUsed, kListeners, kBody } = require('./symbols') |
5 | 5 | const { IncomingMessage } = require('node:http')
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6 | 6 | const stream = require('node:stream')
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7 | 7 | const net = require('node:net')
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8 |
| -const { InvalidArgumentError } = require('./errors') |
9 | 8 | const { Blob } = require('node:buffer')
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10 | 9 | const nodeUtil = require('node:util')
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11 | 10 | const { stringify } = require('node:querystring')
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| 11 | +const { EventEmitter: EE } = require('node:events') |
| 12 | +const { InvalidArgumentError } = require('./errors') |
12 | 13 | const { headerNameLowerCasedRecord } = require('./constants')
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13 | 14 | const { tree } = require('./tree')
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14 | 15 |
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15 | 16 | const [nodeMajor, nodeMinor] = process.versions.node.split('.').map(v => Number(v))
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16 | 17 |
|
| 18 | +class BodyAsyncIterable { |
| 19 | + constructor (body) { |
| 20 | + this[kBody] = body |
| 21 | + this[kBodyUsed] = false |
| 22 | + } |
| 23 | + |
| 24 | + async * [Symbol.asyncIterator] () { |
| 25 | + assert(!this[kBodyUsed], 'disturbed') |
| 26 | + this[kBodyUsed] = true |
| 27 | + yield * this[kBody] |
| 28 | + } |
| 29 | +} |
| 30 | + |
| 31 | +function wrapRequestBody (body) { |
| 32 | + if (isStream(body)) { |
| 33 | + // TODO (fix): Provide some way for the user to cache the file to e.g. /tmp |
| 34 | + // so that it can be dispatched again? |
| 35 | + // TODO (fix): Do we need 100-expect support to provide a way to do this properly? |
| 36 | + if (bodyLength(body) === 0) { |
| 37 | + body |
| 38 | + .on('data', function () { |
| 39 | + assert(false) |
| 40 | + }) |
| 41 | + } |
| 42 | + |
| 43 | + if (typeof body.readableDidRead !== 'boolean') { |
| 44 | + body[kBodyUsed] = false |
| 45 | + EE.prototype.on.call(body, 'data', function () { |
| 46 | + this[kBodyUsed] = true |
| 47 | + }) |
| 48 | + } |
| 49 | + |
| 50 | + return body |
| 51 | + } else if (body && typeof body.pipeTo === 'function') { |
| 52 | + // TODO (fix): We can't access ReadableStream internal state |
| 53 | + // to determine whether or not it has been disturbed. This is just |
| 54 | + // a workaround. |
| 55 | + return new BodyAsyncIterable(body) |
| 56 | + } else if ( |
| 57 | + body && |
| 58 | + typeof body !== 'string' && |
| 59 | + !ArrayBuffer.isView(body) && |
| 60 | + isIterable(body) |
| 61 | + ) { |
| 62 | + // TODO: Should we allow re-using iterable if !this.opts.idempotent |
| 63 | + // or through some other flag? |
| 64 | + return new BodyAsyncIterable(body) |
| 65 | + } else { |
| 66 | + return body |
| 67 | + } |
| 68 | +} |
| 69 | + |
17 | 70 | function nop () {}
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18 | 71 |
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19 | 72 | function isStream (obj) {
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@@ -634,5 +687,6 @@ module.exports = {
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634 | 687 | isHttpOrHttpsPrefixed,
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635 | 688 | nodeMajor,
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636 | 689 | nodeMinor,
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637 |
| - safeHTTPMethods: ['GET', 'HEAD', 'OPTIONS', 'TRACE'] |
| 690 | + safeHTTPMethods: ['GET', 'HEAD', 'OPTIONS', 'TRACE'], |
| 691 | + wrapRequestBody |
638 | 692 | }
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