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d8faf3e342
The usage of identicons makes users more distinguishable as when only the default librvatar image is used. This only applies to users that have no avatar on libravatar or gravatar. Signed-off-by: Erik Michelson <github@erik.michelson.eu>
50 lines
1.5 KiB
JavaScript
50 lines
1.5 KiB
JavaScript
'use strict'
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// external modules
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const crypto = require('crypto')
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const randomcolor = require('randomcolor')
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const config = require('./config')
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// core
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exports.generateAvatar = function (name) {
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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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exports.generateAvatarURL = function (name, email = '', big = true) {
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let photo
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if (typeof email !== 'string') {
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email = '' + name + '@example.com'
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}
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name = encodeURIComponent(name)
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const hash = crypto.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}?default=identicon`
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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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