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import { ipcMain, dialog } from 'electron';
import { download } from 'electron-dl';
import mime from 'mime-types';
import fs from 'fs-extra';
const debug = require('debug')('Ferdi:ipcApi:download');
function decodeBase64Image(dataString) {
const matches = dataString.match(/^data:([A-Za-z-+/]+);base64,(.+)$/);
if (matches.length !== 3) {
return new Error('Invalid input string');
}
return Buffer.from(matches[2], 'base64');
}
export default (params) => {
ipcMain.on('download-file', async (event, { url, content, fileOptions = {} }) => {
// We're passing a fake browserWindow to `electron-dl` in order to access the
// webContents of the webview that has initiated the download
const fakeWindow = {
webContents: event.sender.webContents,
};
try {
if (!content) {
const dl = await download(fakeWindow, url, {
saveAs: true,
});
debug('File saved to', dl.savePath);
} else {
const extension = mime.extension(fileOptions.mime);
const filename = `${fileOptions.name}.${extension}`;
try {
const saveDialog = await dialog.showSaveDialog(params.mainWindow, {
defaultPath: filename,
});
if (saveDialog.canceled) return;
const binaryImage = decodeBase64Image(content);
fs.writeFileSync(saveDialog.filePath, binaryImage, 'binary');
debug('File blob saved to', saveDialog.filePath);
} catch (err) {
console.log(err);
}
}
} catch (e) {
console.error(e);
}
});
};
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