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import wpcom from 'calypso/lib/wp';
export function getAtomicSiteMediaViaProxy( siteId, mediaPath, { query = '', maxSize } ) {
const safeQuery = query.replace( /^\?/, '' );
const params = {
path: `/sites/${ siteId }/atomic-auth-proxy/file?path=${ mediaPath }&${ safeQuery }`,
apiNamespace: 'wpcom/v2',
};
return new Promise( ( resolve, reject ) => {
const fetchMedia = () =>
wpcom.req.get( { ...params, responseType: 'blob' }, ( error, data ) => {
if ( error || ! ( data instanceof globalThis.Blob ) ) {
reject( error );
} else {
resolve( data );
}
} );
if ( ! maxSize ) {
return fetchMedia();
}
return wpcom.req.get( { ...params, method: 'HEAD' }, ( err, data, headers ) => {
if ( headers[ 'Content-Length' ] > maxSize ) {
reject( { message: 'exceeded_max_size' } );
return;
}
fetchMedia();
} );
} );
}
export function getAtomicSiteMediaViaProxyRetry( siteId, mediaPath, options ) {
let retries = 0;
const request = () =>
getAtomicSiteMediaViaProxy( siteId, mediaPath, options ).catch( ( error ) => {
// Retry three times with exponential backoff times
if ( retries < 3 ) {
return new Promise( ( resolve ) => {
++retries;
setTimeout(
() => {
resolve( request() );
},
( retries * retries * 1000 ) / 2
);
} );
}
return Promise.reject( error );
} );
return request();
}
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