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45 lines
1.4 KiB
TypeScript
45 lines
1.4 KiB
TypeScript
import { createHash } from 'crypto'
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import randomColor from 'randomcolor'
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import { config } from './config'
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// core
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export function generateAvatar (name: string): string {
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const color = randomColor({
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seed: name,
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luminosity: 'dark'
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})
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const letter = name.substring(0, 1).toUpperCase()
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let svg = '<?xml version="1.0" encoding="UTF-8" standalone="no"?>'
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svg += '<svg xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://www.w3.org/2000/svg" height="96" width="96" version="1.1" viewBox="0 0 96 96">'
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svg += '<g>'
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svg += '<rect width="96" height="96" fill="' + color + '" />'
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svg += '<text font-size="64px" font-family="sans-serif" text-anchor="middle" fill="#ffffff">'
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svg += '<tspan x="48" y="72" stroke-width=".26458px" fill="#ffffff">' + letter + '</tspan>'
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svg += '</text>'
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svg += '</g>'
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svg += '</svg>'
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return svg
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}
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export function generateAvatarURL (name: string, email = '', big = true): string {
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let photo
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name = encodeURIComponent(name)
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const hash = createHash('md5')
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hash.update(email.toLowerCase())
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const hexDigest = hash.digest('hex')
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if (email !== '' && config.allowGravatar) {
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photo = 'https://cdn.libravatar.org/avatar/' + hexDigest
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if (big) {
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photo += '?s=400'
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} else {
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photo += '?s=96'
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}
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} else {
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photo = config.serverURL + '/user/' + (name || email.substring(0, email.lastIndexOf('@')) || hexDigest) + '/avatar.svg'
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}
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return photo
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}
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