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37 lines
1.5 KiB
37 lines
1.5 KiB
const fs = require('fs-extra');
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const Path = require('path');
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const token = require('./generators/token');
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const zwsGen = require('./generators/zws');
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const randomGen = require('./generators/random');
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const idModes = {
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zws: 'zws', // Zero-width spaces (see: https://zws.im/)
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og: 'original', // Use original uploaded filename
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r: 'random' // Use a randomly generated ID with a mixed-case alphanumeric character set
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// todo: gfycat-style ID's (example.com/correct-horse-battery-staple)
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};
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module.exports = {
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log: console.log,
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path: (...paths) => Path.join(__dirname, ...paths),
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saveData: (data) => fs.writeJsonSync(Path.join(__dirname, 'data.json'), data, { spaces: 4 }),
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verify: (req, tokens) => req.headers.authorization && tokens.includes(req.headers.authorization),
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generateToken: () => token(),
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generateId: (mode, lenth, originalName) =>
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(mode == idModes.zws) ? zwsGen(lenth)
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: (mode == idModes.r) ? randomGen(lenth)
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: originalName,
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formatBytes: (bytes, decimals = 2) => {
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if (bytes === 0) return '0 Bytes';
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let sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
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let i = Math.floor(Math.log(bytes) / Math.log(1024));
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return parseFloat((bytes / Math.pow(1024, i)).toFixed(decimals < 0 ? 0 : decimals)) + ' ' + sizes[i];
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},
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randomHexColour: () => { // From: https://www.geeksforgeeks.org/javascript-generate-random-hex-codes-color/
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let letters = "0123456789ABCDEF";
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let colour = '#';
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for (var i = 0; i < 6; i++) colour += letters[(Math.floor(Math.random() * 16))];
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return colour;
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}
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}
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