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Erik Michelson
fd4d5bfbd1
chance.color() can output all valid CSS values for colors, including rgba() syntax and predefined color names. Due to the usage of hex2rgb and other methods, this can break the editor. This commit ensures that all randomly generated colors are specified in hex format. Signed-off-by: Erik Michelson <github@erik.michelson.eu>
54 lines
1.6 KiB
JavaScript
54 lines
1.6 KiB
JavaScript
'use strict'
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// external modules
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const crypto = require('crypto')
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const Chance = require('chance')
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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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// use darker colors for better contrast
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const color = new Chance(name).color({
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format: 'hex',
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max_red: 150,
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max_green: 150,
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max_blue: 150
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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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