74 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			74 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
| /*
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|  * SPDX-FileCopyrightText: syuilo and misskey-project
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|  * SPDX-License-Identifier: AGPL-3.0-only
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|  */
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| 
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| import { Inject, Injectable } from '@nestjs/common';
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| import { ulid } from 'ulid';
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| import { DI } from '@/di-symbols.js';
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| import type { Config } from '@/config.js';
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| import { genAid, isSafeAidT, parseAid } from '@/misc/id/aid.js';
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| import { genAidx, isSafeAidxT, parseAidx } from '@/misc/id/aidx.js';
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| import { genMeid, isSafeMeidT, parseMeid } from '@/misc/id/meid.js';
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| import { genMeidg, isSafeMeidgT, parseMeidg } from '@/misc/id/meidg.js';
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| import { genObjectId, isSafeObjectIdT, parseObjectId } from '@/misc/id/object-id.js';
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| import { bindThis } from '@/decorators.js';
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| import { parseUlid } from '@/misc/id/ulid.js';
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| 
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| @Injectable()
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| export class IdService {
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| 	private method: string;
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| 
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| 	constructor(
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| 		@Inject(DI.config)
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| 		private config: Config,
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| 	) {
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| 		this.method = config.id.toLowerCase();
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| 	}
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| 
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| 	@bindThis
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| 	public isSafeT(t: number): boolean {
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| 		switch (this.method) {
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| 			case 'aid': return isSafeAidT(t);
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| 			case 'aidx': return isSafeAidxT(t);
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| 			case 'meid': return isSafeMeidT(t);
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| 			case 'meidg': return isSafeMeidgT(t);
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| 			case 'ulid': return t > 0;
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| 			case 'objectid': return isSafeObjectIdT(t);
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| 			default: throw new Error('unrecognized id generation method');
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| 		}
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| 	}
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| 
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| 	/**
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| 	 * 時間を元にIDを生成します(省略時は現在日時)
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| 	 * @param time 日時
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| 	 */
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| 	@bindThis
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| 	public gen(time?: number): string {
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| 		const t = (!time || (time > Date.now())) ? Date.now() : time;
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| 
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| 		switch (this.method) {
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| 			case 'aid': return genAid(t);
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| 			case 'aidx': return genAidx(t);
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| 			case 'meid': return genMeid(t);
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| 			case 'meidg': return genMeidg(t);
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| 			case 'ulid': return ulid(t);
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| 			case 'objectid': return genObjectId(t);
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| 			default: throw new Error('unrecognized id generation method');
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| 		}
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| 	}
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| 
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| 	@bindThis
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| 	public parse(id: string): { date: Date; } {
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| 		switch (this.method) {
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| 			case 'aid': return parseAid(id);
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| 			case 'aidx': return parseAidx(id);
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| 			case 'objectid': return parseObjectId(id);
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| 			case 'meid': return parseMeid(id);
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| 			case 'meidg': return parseMeidg(id);
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| 			case 'ulid': return parseUlid(id);
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| 			default: throw new Error('unrecognized id generation method');
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| 		}
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| 	}
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| }
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