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Create a Simple Post (User)

Create post on LinkedIn using text, URL or article. [See the docs](https://learn.microsoft.com/en-us/linkedin/marketing/integrations/community-management/shares/posts-api?view=li-lms-2022-11&tabs=http#create-organic-posts) for more information

Script linkedin Verified

by hugo697 ยท 7/17/2024

Use in Windmill

The script

Submitted by hugo697 Typescript (fetch-only)
Verified 689 days ago
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type Linkedin = {
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	token: string
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	apiVersion: string
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}
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type Base64 = string
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async function initializeImageUpload(resource: Linkedin, owner: string) {
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	const endpoint = 'https://api.linkedin.com/rest/images?action=initializeUpload'
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	const response = await fetch(endpoint, {
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		method: 'POST',
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		headers: {
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			Authorization: `Bearer ${resource.token}`,
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			'X-Restli-Protocol-Version': '2.0.0',
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			'Content-Type': 'application/json',
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			'LinkedIn-Version': `${resource.apiVersion}`
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		},
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		body: JSON.stringify({
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			initializeUploadRequest: {
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				owner
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			}
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		})
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	})
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	if (!response.ok) {
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		throw new Error(`HTTP error! status: ${response.status}`)
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	}
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	const data = await response.json()
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	return data.value
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}
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async function uploadImage(uploadUrl: string, image: Base64) {
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	const buffer = Buffer.from(image, 'base64')
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	const response = await fetch(uploadUrl, {
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		method: 'PUT',
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		headers: {
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			'Content-Type': 'application/octet-stream'
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		},
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		body: buffer
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	})
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	if (!response.ok) {
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		throw new Error(`HTTP error! status: ${response.status}`)
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	}
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}
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async function uploadThumbnail(resource: Linkedin, owner: string, thumbnail: Base64) {
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	const uploadData = await initializeImageUpload(resource, owner)
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	const uploadUrl = uploadData.uploadUrl
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	const imageUrn = uploadData.image
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	await uploadImage(uploadUrl, thumbnail)
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	return imageUrn
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}
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export async function main(
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	resource: Linkedin,
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	postData: {
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		author: string
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		commentary: string
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		visibility: 'CONNECTIONS' | 'PUBLIC' | 'LOGGED_IN' | 'CONTAINER'
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		distribution: {
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			feedDistribution: 'NONE' | 'MAIN_FEED'
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		}
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		content?: {
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			article: {
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				source: string
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				title: string
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				description?: string
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				thumbnail?: string
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				thumbnailAltText?: string
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			}
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		}
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		isReshareDisabledByAuthor: boolean
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	},
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	thumbnail?: Base64
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) {
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	if (postData.content?.article && thumbnail) {
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		const thumbnailUrn = await uploadThumbnail(resource, postData.author, thumbnail)
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		postData.content.article.thumbnail = thumbnailUrn
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	}
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	// Can use unversioned API too, but using versioned one to introduce consistency with Create_a_Simple_Post__Organization_
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	const endpoint = 'https://api.linkedin.com/rest/posts'
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	const response = await fetch(endpoint, {
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		method: 'POST',
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		headers: {
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			Authorization: `Bearer ${resource.token}`,
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			'X-Restli-Protocol-Version': '2.0.0',
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			'LinkedIn-Version': `${resource.apiVersion}`,
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			'Content-Type': 'application/json'
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		},
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		body: JSON.stringify({ ...postData, lifecycleState: 'PUBLISHED' })
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	})
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	if (!response.ok) {
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		throw new Error(`HTTP error! status: ${response.status}`)
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	}
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	const postId = response.headers.get('x-restli-id')
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	const data = await response.json()
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	return { ...data, postId }
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}
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