2016-01-28 13:13:57 +00:00
|
|
|
import request from 'request';
|
|
|
|
|
import path from 'path';
|
|
|
|
|
import fs from 'fs';
|
|
|
|
|
import tmp from 'tmp';
|
|
|
|
|
tmp.setGracefulCleanup();
|
|
|
|
|
|
2016-01-28 15:15:46 +00:00
|
|
|
const BEST_ICON_API = 'http://icons.better-idea.org/icon';
|
2016-01-28 13:13:57 +00:00
|
|
|
/**
|
|
|
|
|
*
|
|
|
|
|
* @param {string} targetUrl
|
|
|
|
|
* @param {string} outDir
|
|
|
|
|
* @param {inferIconCallback} callback
|
|
|
|
|
*/
|
|
|
|
|
function inferIconFromUrlToPath(targetUrl, outDir, callback) {
|
|
|
|
|
const outfilePath = path.join(outDir, '/icon.png');
|
|
|
|
|
request({
|
|
|
|
|
url: BEST_ICON_API,
|
|
|
|
|
qs: {
|
|
|
|
|
url: targetUrl,
|
2016-01-28 15:44:57 +00:00
|
|
|
size: 57,
|
2016-01-28 13:13:57 +00:00
|
|
|
formats: 'png'
|
|
|
|
|
},
|
|
|
|
|
encoding: null
|
|
|
|
|
}, (error, response, body) => {
|
|
|
|
|
if (error) {
|
|
|
|
|
callback(error);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
try {
|
|
|
|
|
const parsedError = JSON.parse(body).error;
|
|
|
|
|
callback(parsedError);
|
|
|
|
|
} catch (exception) {
|
|
|
|
|
if (/<html>/i.test(body)) {
|
|
|
|
|
callback('BestIcon server 502 error');
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
// body is an image
|
|
|
|
|
fs.writeFile(outfilePath, body, error => {
|
|
|
|
|
callback(error, outfilePath);
|
|
|
|
|
});
|
|
|
|
|
}
|
|
|
|
|
});
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* @callback inferIconCallback
|
|
|
|
|
* @param error
|
|
|
|
|
* @param {string} [iconPath]
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* @param {string} targetUrl
|
|
|
|
|
* @param {inferIconCallback} callback
|
|
|
|
|
*/
|
|
|
|
|
function inferIcon(targetUrl, callback) {
|
|
|
|
|
const tmpObj = tmp.dirSync({unsafeCleanup: true});
|
|
|
|
|
const tmpPath = tmpObj.name;
|
|
|
|
|
inferIconFromUrlToPath(targetUrl, tmpPath, callback);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
export default inferIcon;
|
