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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 | 22x 22x 22x 22x 22x 22x 22x 22x 22x 22x 22x 22x 22x 22x 22x 22x | import pg from 'pg'; import {SessionInterface} from '../types'; import {SessionStorage} from '../session_storage'; import {sessionEntries, sessionFromEntries} from '../session-utils'; export interface PostgreSQLSessionStorageOptions { sessionTableName: string; port: number; } const defaultPostgreSQLSessionStorageOptions: PostgreSQLSessionStorageOptions = { sessionTableName: 'shopify_sessions', port: 3211, }; export class PostgreSQLSessionStorage implements SessionStorage { static withCredentials( host: string, dbName: string, username: string, password: string, opts: Partial<PostgreSQLSessionStorageOptions>, ) { return new PostgreSQLSessionStorage( new URL( `postgres://${encodeURIComponent(username)}:${encodeURIComponent( password, )}@${host}/${encodeURIComponent(dbName)}`, ), opts, ); } public readonly ready: Promise<void>; private options: PostgreSQLSessionStorageOptions; private client: pg.Client; constructor( private dbUrl: URL, opts: Partial<PostgreSQLSessionStorageOptions> = {}, ) { if (typeof this.dbUrl === 'string') { this.dbUrl = new URL(this.dbUrl); } this.options = {...defaultPostgreSQLSessionStorageOptions, ...opts}; this.ready = this.init(); } public async storeSession(session: SessionInterface): Promise<boolean> { await this.ready; const entries = sessionEntries(session); const query = ` INSERT INTO ${this.options.sessionTableName} (${entries.map(([key]) => key).join(', ')}) VALUES (${entries.map((_, i) => `$${i + 1}`).join(', ')}) ON CONFLICT (id) DO UPDATE SET ${entries .map(([key]) => `${key} = Excluded.${key}`) .join(', ')}; `; await this.query( query, entries.map(([_key, value]) => value), ); return true; } public async loadSession(id: string): Promise<SessionInterface | undefined> { await this.ready; const query = ` SELECT * FROM ${this.options.sessionTableName} WHERE id = $1; `; const rows = await this.query(query, [id]); if (!Array.isArray(rows) || rows?.length !== 1) return undefined; const rawResult = rows[0] as any; return sessionFromEntries(Object.entries(rawResult)); } public async deleteSession(id: string): Promise<boolean> { await this.ready; const query = ` DELETE FROM ${this.options.sessionTableName} WHERE id = $1; `; await this.query(query, [id]); return true; } public disconnect(): Promise<void> { return this.client.end(); } private async init() { this.client = new pg.Client({connectionString: this.dbUrl.toString()}); await this.connectClient(); await this.createTable(); } private async connectClient(): Promise<void> { await this.client.connect(); } private async hasSessionTable(): Promise<boolean> { const query = ` SELECT * FROM pg_catalog.pg_tables WHERE tablename = $1 `; const [rows] = await this.query(query, [this.options.sessionTableName]); return Array.isArray(rows) && rows.length === 1; } private async createTable() { const hasSessionTable = await this.hasSessionTable(); if (!hasSessionTable) { const query = ` CREATE TABLE ${this.options.sessionTableName} ( id varchar(255) NOT NULL PRIMARY KEY, shop varchar(255) NOT NULL, state varchar(255) NOT NULL, isOnline boolean NOT NULL, scope varchar(255), expires integer, onlineAccessInfo varchar(255), accessToken varchar(255) ) `; await this.query(query); } } private async query(sql: string, params: any[] = []): Promise<any> { const result = await this.client.query(sql, params); return result.rows; } } |