48 lines
1.3 KiB
JavaScript
48 lines
1.3 KiB
JavaScript
const isOkDirPart = str => {
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if(str.length > 255 || str.length === 0) return false;
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const end = str.length - 1;
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for(let i = 0; i < str.length; i++) {
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const c = str.charCodeAt(i);
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if(!(c > 47 && c < 58) && // 0-9
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!(c > 64 && c < 91) && // A-Z
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!(c > 96 && c < 123) && // a-z
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!(c === 95) && !(c === 45) && // _ and -
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!((c === 46 || c === 32) && // period or space if not first or last
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i !== 0 && i !== end)) {
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return false;
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}
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}
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return true;
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};
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module.exports = {
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checkDir: dir => {
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if(typeof dir !== 'string') return false;
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dir = dir.trim();
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if(dir.length === 0) return 0;
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if(dir.indexOf('/') > -1) {
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dir = dir.split('/').filter(p => p.length !== 0);
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if(dir.length === 1) {
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if(!isOkDirPart(dir[0])) false;
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dir = dir[0];
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} else if(dir.length === 0) {
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dir = '';
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} else if(dir.some(part => !isOkDirPart(part))) {
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return false;
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}
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} else if(!isOkDirPart(dir)) {
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return false;
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}
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return Array.isArray(dir) ? dir.join('/') : dir;
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},
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checkName: name => {
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if(typeof name !== 'string') return false;
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name = name.trim();
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if(name.length === 0) return 0;
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if(!isOkDirPart(name)) return false;
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return name;
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},
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};
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