42 lines
1 KiB
JavaScript
42 lines
1 KiB
JavaScript
const Drive = use('Drive');
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class FileUtils {
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static async saveBase64File(base64Str, _fileName = null) {
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console.log(base64Str.length);
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const parsed = parseBase64(base64Str);
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const fileName = _fileName ||
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`${Date.now()}-${Math.random() * 1000}.${parsed.extension}`;
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console.log(fileName);
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const file = await Drive.put(fileName, parsed.data);
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return {fileName, file};
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}
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static async getFile(filename) {
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try {
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return await Drive.get(filename)
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} catch (e) {
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console.error(e);
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return null;
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}
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}
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}
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function parseBase64(dataString) {
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const matches = dataString.match(/^data:([A-Za-z-+\/]+);base64,(.+)$/);
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if (matches.length !== 3) {
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return new Error('Invalid input string');
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}
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let extension = matches[1].split('/')[1];
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// if (extension === 'jpeg') extension = 'jpg';
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let data = matches[2];
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console.log(data[0], data[1]);
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return {
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type: matches[1], extension, data: Buffer.from(data, 'base64'),
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}
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}
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module.exports = FileUtils;
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