@/utils#isPresent JavaScript Examples

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Example #1
Source File: index.js From Sub-Store with GNU Affero General Public License v3.0
4 votes
// V2rayN URI VMess format
// reference: https://github.com/2dust/v2rayN/wiki/%E5%88%86%E4%BA%AB%E9%93%BE%E6%8E%A5%E6%A0%BC%E5%BC%8F%E8%AF%B4%E6%98%8E(ver-2)

// Quantumult VMess format
function URI_VMess() {
    const name = 'URI VMess Parser';
    const test = (line) => {
        return /^vmess:\/\//.test(line);
    };
    const parse = (line) => {
        line = line.split('vmess://')[1];
        const content = Base64.decode(line);
        if (/=\s*vmess/.test(content)) {
            // Quantumult VMess URI format
            const partitions = content.split(',').map((p) => p.trim());
            // get keyword params
            const params = {};
            for (const part of partitions) {
                if (part.indexOf('=') !== -1) {
                    const [key, val] = part.split('=');
                    params[key.trim()] = val.trim();
                }
            }

            const proxy = {
                name: partitions[0].split('=')[0].trim(),
                type: 'vmess',
                server: partitions[1],
                port: partitions[2],
                cipher: getIfNotBlank(partitions[3], 'auto'),
                uuid: partitions[4].match(/^"(.*)"$/)[1],
                tls: params.obfs === 'wss',
                udp: getIfPresent(params['udp-relay']),
                tfo: getIfPresent(params['fast-open']),
                'skip-cert-verify': isPresent(params['tls-verification'])
                    ? !params['tls-verification']
                    : undefined,
            };

            // handle ws headers
            if (isPresent(params.obfs)) {
                if (params.obfs === 'ws' || params.obfs === 'wss') {
                    proxy.network = 'ws';
                    proxy['ws-opts'].path = (
                        getIfNotBlank(params['obfs-path']) || '"/"'
                    ).match(/^"(.*)"$/)[1];
                    let obfs_host = params['obfs-header'];
                    if (obfs_host && obfs_host.indexOf('Host') !== -1) {
                        obfs_host = obfs_host.match(
                            /Host:\s*([a-zA-Z0-9-.]*)/,
                        )[1];
                    }
                    if (isNotBlank(obfs_host)) {
                        proxy['ws-opts'].headers = {
                            Host: obfs_host,
                        };
                    }
                } else {
                    throw new Error(`Unsupported obfs: ${params.obfs}`);
                }
            }
            return proxy;
        } else {
            // V2rayN URI format
            const params = JSON.parse(content);
            const proxy = {
                name: params.ps,
                type: 'vmess',
                server: params.add,
                port: params.port,
                cipher: 'auto', // V2rayN has no default cipher! use aes-128-gcm as default.
                uuid: params.id,
                alterId: getIfPresent(params.aid, 0),
                tls: params.tls === 'tls' || params.tls === true,
                'skip-cert-verify': isPresent(params.verify_cert)
                    ? !params.verify_cert
                    : undefined,
            };
            // handle obfs
            if (params.net === 'ws') {
                proxy.network = 'ws';
                proxy['ws-opts'] = {
                    path: getIfNotBlank(params.path),
                    headers: { Host: getIfNotBlank(params.host) },
                };
                if (proxy.tls && params.host) {
                    proxy.sni = params.host;
                }
            }
            return proxy;
        }
    };
    return { name, test, parse };
}