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Add duplicate elimination option and explicit randomization option #10

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Add duplicate elimination option and explicit randomization option #10

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d450c04
add duplicate elimination and explicit randomization option
patgruber Apr 14, 2021
2ba655b
Merge branch 'splitline:master' into master
patgruber May 29, 2022
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38 changes: 31 additions & 7 deletions src/App.js
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Original file line number Diff line number Diff line change
Expand Up @@ -65,7 +65,15 @@ const styles = theme => ({
class App extends React.Component {
constructor(props) {
super(props);
this.state = { domain: '', noAscii: false, convertDot: false, weirdChar: false, log: [] };
this.state = {
domain: '',
noAscii: false,
convertDot: false,
weirdChar: false,
log: [],
noDuplicates: false,
randomCharacters: false
};
}

obfuscator(domain) {
Expand All @@ -83,14 +91,22 @@ class App extends React.Component {
}
}

const select = arr => {
arr = arr.filter(char =>
(!this.state.noAscii || char > 0xff)
const select = (arr, denylist) => {
let filteredArr = arr.filter(char =>
(!this.state.noAscii || char > 0xff) && !denylist.includes(String.fromCodePoint(char))
);
return String.fromCodePoint(arr[Math.floor(Math.random() * arr.length)]);
if (filteredArr.length === 0) {
filteredArr = [...arr];
}

const charCode = this.state.randomCharacters ?
filteredArr[Math.floor(Math.random() * filteredArr.length)] :
filteredArr[0];

return String.fromCodePoint(charCode);
}
replace.forEach(r => domain = domain.replace(r, select(mapping[r])));
if (this.state.weirdChar) domain = domain.split("").join(select(mapping[""]));
replace.forEach(r => domain = domain.replace(r, select(mapping[r], (this.state.noDuplicates ? domain : []))));
if (this.state.weirdChar) domain = domain.split("").join(select(mapping[""], (this.state.noDuplicates ? domain : [])));
return domain;
}

Expand Down Expand Up @@ -142,6 +158,14 @@ class App extends React.Component {
control={<Switch color="primary" onChange={e => this.setState({ weirdChar: e.target.checked })} />}
label="Insert Weird Chars"
/>
<FormControlLabel
control={<Switch color="primary" onChange={e => this.setState({ noDuplicates: e.target.checked })} />}
label="No duplicates"
/>
<FormControlLabel
control={<Switch color="primary" onChange={e => this.setState({ randomCharacters: e.target.checked })} />}
label="Random substitution characters"
/>
<Button
type="submit"
fullWidth
Expand Down