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|
import Key from "./Key";
export type BlacklistItemJSON =
| string
| {
url: string;
keys: string[];
};
export type BlacklistJSON = BlacklistItemJSON[];
const regexFromWildcard = (pattern: string): RegExp => {
const regexStr = "^" + pattern.replace(/\*/g, ".*") + "$";
return new RegExp(regexStr);
};
export class BlacklistItem {
public readonly pattern: string;
private regex: RegExp;
public readonly partial: boolean;
public readonly keys: string[];
private readonly keyEntities: Key[];
constructor(pattern: string, partial: boolean, keys: string[]) {
this.pattern = pattern;
this.regex = regexFromWildcard(pattern);
this.partial = partial;
this.keys = keys;
this.keyEntities = this.keys.map(Key.fromMapKey);
}
static fromJSON(json: BlacklistItemJSON): BlacklistItem {
return typeof json === "string"
? new BlacklistItem(json, false, [])
: new BlacklistItem(json.url, true, json.keys);
}
toJSON(): BlacklistItemJSON {
if (!this.partial) {
return this.pattern;
}
return { url: this.pattern, keys: this.keys };
}
matches(url: URL): boolean {
return this.pattern.includes("/")
? this.regex.test(url.host + url.pathname)
: this.regex.test(url.host);
}
includeKey(url: URL, key: Key): boolean {
if (!this.matches(url) || !this.partial) {
return false;
}
return this.keyEntities.some((k) => k.equals(key));
}
}
export default class Blacklist {
constructor(public readonly items: BlacklistItem[]) {}
static fromJSON(json: BlacklistJSON): Blacklist {
const items = json.map((o) => BlacklistItem.fromJSON(o));
return new Blacklist(items);
}
toJSON(): BlacklistJSON {
return this.items.map((item) => item.toJSON());
}
includesEntireBlacklist(url: URL): boolean {
return this.items.some((item) => !item.partial && item.matches(url));
}
includeKey(url: URL, key: Key) {
return this.items.some((item) => item.includeKey(url, key));
}
}
|
