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Create attachment

by
Published Oct 17, 2025

Adds an attachment to a piece of content.

Script confluence Verified
Use in Windmill

The script

Submitted by hugo697 Bun
Verified 235 days ago
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//native
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type Confluence = {
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	email: string
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	apiToken: string
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	domain: string
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}
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type Base64 = string
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/**
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 * Create attachment
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 * Adds an attachment to a piece of content.
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 */
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export async function main(
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	auth: Confluence,
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	id: string,
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	status: 'current' | 'draft' | undefined,
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	body: {
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		file: {
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			base64: Base64
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			type:
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				| 'image/png'
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				| 'image/jpeg'
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				| 'image/gif'
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				| 'application/pdf'
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				| 'appication/json'
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				| 'text/csv'
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				| 'text/plain'
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				| 'audio/mpeg'
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				| 'audio/wav'
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				| 'video/mp4'
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			name: string
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		}
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		comment?: {
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			base64: Base64
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			type:
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				| 'image/png'
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				| 'image/jpeg'
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				| 'image/gif'
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				| 'application/pdf'
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				| 'appication/json'
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				| 'text/csv'
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				| 'text/plain'
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				| 'audio/mpeg'
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				| 'audio/wav'
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				| 'video/mp4'
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			name: string
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		}
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		minorEdit: {
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			base64: Base64
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			type:
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				| 'image/png'
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				| 'image/jpeg'
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				| 'image/gif'
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				| 'application/pdf'
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				| 'appication/json'
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				| 'text/csv'
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				| 'text/plain'
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				| 'audio/mpeg'
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				| 'audio/wav'
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				| 'video/mp4'
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			name: string
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		}
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	}
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) {
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	const url = new URL(`https://${auth.domain}/wiki/rest/api/content/${id}/child/attachment`)
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	for (const [k, v] of [['status', status]]) {
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		if (v !== undefined && v !== '' && k !== undefined) {
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			url.searchParams.append(k, v)
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		}
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	}
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	const formData = new FormData()
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	for (const [k, v] of Object.entries(body)) {
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		if (v !== undefined) {
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			if (['file', 'comment', 'minorEdit'].includes(k)) {
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				const { base64, type, name } = v as {
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					base64: Base64
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					type: string
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					name: string
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				}
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				formData.append(
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					k,
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					new Blob([Uint8Array.from(atob(base64), (m) => m.codePointAt(0)!)], {
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						type
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					}),
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					name
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				)
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			} else {
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				formData.append(k, String(v))
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			}
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		}
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	}
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	const response = await fetch(url, {
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		method: 'POST',
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		headers: {
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			Authorization: 'Basic ' + btoa(`${auth.email}:${auth.apiToken}`)
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		},
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		body: formData
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	})
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	if (!response.ok) {
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		const text = await response.text()
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		throw new Error(`${response.status} ${text}`)
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	}
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	return await response.json()
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}
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