Fully end to end encrypted anonymous chat program. Server only stores public key lookup for users and the encrypted messages. No credentials are transfered to the server, but kept in local browser storage. This allows 100% safe chatting.
https://safechat.ch
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85 lines
2.1 KiB
85 lines
2.1 KiB
/** |
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* Module dependencies. |
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*/ |
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var Compiler = require('../visitor/compiler') |
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, nodes = require('../nodes') |
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, parse = require('url').parse |
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, relative = require('path').relative |
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, join = require('path').join |
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, dirname = require('path').dirname |
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, extname = require('path').extname |
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, sep = require('path').sep; |
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/** |
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* Return a url() function which resolves urls. |
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* |
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* Options: |
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* |
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* - `paths` resolution path(s), merged with general lookup paths |
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* - `nocheck` don't check file existence |
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* |
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* Examples: |
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* |
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* stylus(str) |
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* .set('filename', __dirname + '/css/test.styl') |
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* .define('url', stylus.resolver({ nocheck: true })) |
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* .render(function(err, css){ ... }) |
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* |
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* @param {Object} [options] |
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* @return {Function} |
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* @api public |
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*/ |
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module.exports = function(options) { |
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options = options || {}; |
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function resolver(url) { |
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// Compile the url |
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var compiler = new Compiler(url) |
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, filename = url.filename; |
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compiler.isURL = true; |
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url = parse(url.nodes.map(function(node){ |
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return compiler.visit(node); |
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}).join('')); |
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// Parse literal |
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var literal = new nodes.Literal('url("' + url.href + '")') |
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, path = url.pathname |
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, dest = this.options.dest |
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, tail = '' |
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, res; |
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// Absolute or hash |
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if (url.protocol || !path || '/' == path[0]) return literal; |
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// Check that file exists |
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if (!options.nocheck) { |
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var _paths = options.paths || []; |
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path = require('../utils').lookup(path, _paths.concat(this.paths)); |
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if (!path) return literal; |
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} |
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if (this.includeCSS && extname(path) == '.css') |
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return new nodes.Literal(url.href); |
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if (url.search) tail += url.search; |
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if (url.hash) tail += url.hash; |
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if (dest && extname(dest) == '.css') |
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dest = dirname(dest); |
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res = relative(dest || dirname(this.filename), options.nocheck |
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? join(dirname(filename), path) |
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: path) + tail; |
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if ('\\' == sep) res = res.replace(/\\/g, '/'); |
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return new nodes.Literal('url("' + res + '")'); |
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}; |
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// Expose options to Evaluator |
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resolver.options = options; |
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resolver.raw = true; |
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return resolver; |
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};
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