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add support to modify the logic for match #29

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add support to modify the logic for match #29

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026e08a
add support to modify the logic for match
anaskhraza Feb 16, 2023
802bac5
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anaskhraza Feb 16, 2023
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37 changes: 24 additions & 13 deletions src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -7,8 +7,8 @@ interface INetworkRequestResponse {
}

export default class LogrocketFuzzySearch {
public static setup(fields: string[]) {
const instance = new LogrocketFuzzySearch(fields);
public static setup(fields: string[], isSubStringMatch?: boolean) {
const instance = new LogrocketFuzzySearch(fields, isSubStringMatch);

return {
requestSanitizer: instance.requestSanitizer.bind(instance),
Expand All @@ -17,14 +17,16 @@ export default class LogrocketFuzzySearch {
}

public fields: string[] = [];
public isSubStringMatch?: boolean = false;

constructor(privateFields: string[]) {
constructor(privateFields: string[], isSubStringMatch?: boolean) {
this.fields = privateFields;
this.isSubStringMatch = isSubStringMatch;
}

public requestSanitizer(request: INetworkRequestResponse): object | any {
// avoid parsing GET requests as there will be no body
if (request.method === 'GET') {
if (request.method === "GET") {
return request;
}

Expand All @@ -37,8 +39,10 @@ export default class LogrocketFuzzySearch {

private _networkHandler(networkRequestReponse: INetworkRequestResponse) {
const { body, headers } = networkRequestReponse;
const requestContentType: string = headers && (headers['Content-Type'] || '');
const isUrlEncodedRequest: boolean = requestContentType.includes('form-urlencoded');
const requestContentType: string =
headers && (headers["Content-Type"] || "");
const isUrlEncodedRequest: boolean =
requestContentType.includes("form-urlencoded");
let parsedBody: object;

try {
Expand Down Expand Up @@ -72,16 +76,16 @@ export default class LogrocketFuzzySearch {
where type/value keynames are generic and instead
the value matching the type keyname should be masked.
*/
const isTypeValuePair = key === 'type' && 'value' in body;
const isTypeValuePair = key === "type" && "value" in body;

if (typeof keyName === 'object') {
if (typeof keyName === "object") {
if (!isTypeValuePair) {
this._searchBody(keyName);
}
}

if (isTypeValuePair) {
this._mask(body, body.type, 'value');
this._mask(body, body.type, "value");
} else {
this._mask(body, key);
}
Expand All @@ -96,14 +100,21 @@ export default class LogrocketFuzzySearch {
const isSensitiveFieldName = this._match(searchKeyName);

if (isSensitiveFieldName) {
body[maskKeyName] = '*';
body[maskKeyName] = "*";
}
}

private _match(keyName: string = ''): boolean {
private _match(keyName: string = ""): boolean {
const { fields } = this;
const normalizedKeyName = keyName.toLowerCase();

return fields.some((field) => normalizedKeyName.indexOf(field.toLowerCase()) > -1);
if (this.isSubStringMatch) {
return fields.some(
(field) => normalizedKeyName.indexOf(field.toLowerCase()) > -1
);
} else {
const fieldsLowerCase = fields.map((x) => x.toLowerCase());
return fieldsLowerCase.includes(normalizedKeyName);
}
}
}
}