问题修复
masnn
5 years ago
parent
4c2edc3948
commit
26c467f60f
@ -0,0 +1,41 @@
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const md5 = require('./md5');
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exports.gravatar_url = function (email, size) {
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return `//gravatar.loli.net/avatar/${md5((email || '').toString().trim().toLowerCase())}?d=mm&s=${size}`;
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};
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exports.datetime_span = function (dt, { relative = true } = {}) {
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if (dt.generationTime) dt = new Date(dt.generationTime * 1000);
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else if (typeof dt == 'number' || typeof dt == 'string') dt = new Date(dt);
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return '<span class="time{0}" data-timestamp="{1}">{2}</span>'.format(
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relative ? ' relative' : '',
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dt.getTime() / 1000,
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dt.toLocaleString()
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);
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};
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exports.paginate = function* (page, num_pages) {
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let radius = 2, first, last;
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if (page > 1) {
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yield ['first', 1];
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yield ['previous', page - 1];
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}
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if (page <= radius) [first, last] = [1, Math.min(1 + radius * 2, num_pages)];
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else if (page >= num_pages - radius) [first, last] = [Math.max(1, num_pages - radius * 2), num_pages];
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else[first, last] = [page - radius, page + radius];
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if (first > 1) yield ['ellipsis', 0];
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for (let page0 = first; page0 < last + 1; page0++) {
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if (page0 != page) yield ['page', page0];
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else yield ['current', page];
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}
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if (last < num_pages) yield ['ellipsis', 0];
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if (page < num_pages) yield ['next', page + 1];
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yield ['last', num_pages];
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};
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exports.format_size = function (size, base = 1) {
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size *= base;
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let unit = 1024;
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let unit_names = ['Bytes', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB'];
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for (let unit_name of unit_names) {
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if (size < unit) return '{0} {1}'.format(Math.round(size), unit_name);
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size /= unit;
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}
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return '{0} {1}'.format(Math.round(size * unit), unit_names[unit_names.length - 1]);
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};
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@ -0,0 +1,26 @@
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const crypto = require('crypto');
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module.exports = {
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_b64encode: str => new Buffer(str).toString('base64'),
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_b64decode: str => new Buffer(str, 'base64').toString(),
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_md5: str => crypto.createHash('md5').update(str).digest('hex'),
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_sha1: str => crypto.createHash('sha1').update(str).digest('hex'),
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/**
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* @param {string} password
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* @param {string} salt
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* @param {string} hash
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*/
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check(password, salt, hash) {
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return hash == this.hash(password, salt);
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},
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/**
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* @param {string} password
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* @param {string} salt
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*/
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hash(password, salt) {
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let res = crypto.pbkdf2Sync(password, salt, 100000, 64, 'sha256');
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return res.toString('Hex');
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},
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salt() {
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return String.random();
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}
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};
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