76 lines
1.8 KiB
TypeScript
76 lines
1.8 KiB
TypeScript
function toHeadersObject(headers?: HeadersInit): Record<string, string> {
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if (!headers) {
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return {}
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}
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if (headers instanceof Headers) {
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return Object.fromEntries(headers.entries())
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}
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if (Array.isArray(headers)) {
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return Object.fromEntries(headers)
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}
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return { ...headers }
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}
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function getDownloadFileName(contentDisposition: string | null, fallback: string) {
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if (!contentDisposition) {
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return fallback
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}
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const utf8Match = contentDisposition.match(/filename\*=UTF-8''([^;]+)/i)
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if (utf8Match?.[1]) {
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return decodeURIComponent(utf8Match[1])
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}
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const asciiMatch = contentDisposition.match(/filename="([^"]+)"/i)
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if (asciiMatch?.[1]) {
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return asciiMatch[1]
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}
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return fallback
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}
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export function withApiAuth(init: RequestInit = {}) {
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// Les appels frontend reutilisent les cookies httpOnly poses cote serveur.
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return {
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...init,
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headers: {
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...toHeadersObject(init.headers)
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}
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}
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}
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export const apiFetch = $fetch.create({})
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export function apiRequest(input: RequestInfo | URL, init: RequestInit = {}) {
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return fetch(input, withApiAuth(init))
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}
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export async function downloadApiFile(url: string, fileNameFallback: string) {
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// Les telechargements passent aussi par fetch pour pouvoir recuperer
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// le contenu et le nom de fichier renvoye par l'API.
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const response = await apiRequest(url)
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if (!response.ok) {
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throw new Error(`HTTP ${response.status}`)
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}
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const blob = await response.blob()
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const objectUrl = URL.createObjectURL(blob)
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const fileName = getDownloadFileName(
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response.headers.get("content-disposition"),
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fileNameFallback
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)
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const link = document.createElement("a")
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link.href = objectUrl
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link.download = fileName
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link.style.display = "none"
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document.body.appendChild(link)
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link.click()
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link.remove()
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URL.revokeObjectURL(objectUrl)
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}
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