|
| 1 | +--- |
| 2 | +prev: |
| 3 | + text: 'Configuration' |
| 4 | + link: '/connect-sqlite/configuration' |
| 5 | +next: false |
| 6 | +--- |
| 7 | + |
| 8 | +# API Reference |
| 9 | + |
| 10 | +Connect SQLite implements the standard Express session store interface plus additional utility methods. |
| 11 | + |
| 12 | +## Required Methods |
| 13 | + |
| 14 | +These methods are part of the session store interface and are called automatically by Express/Sails. |
| 15 | + |
| 16 | +### get(sid, callback) |
| 17 | + |
| 18 | +Retrieve session data by session ID. |
| 19 | + |
| 20 | +```javascript |
| 21 | +store.get('abc123', (err, session) => { |
| 22 | + if (err) console.error(err) |
| 23 | + console.log(session) // { user: { id: 1 }, cookie: { ... } } |
| 24 | +}) |
| 25 | +``` |
| 26 | + |
| 27 | +### set(sid, session, callback) |
| 28 | + |
| 29 | +Store session data for a session ID. |
| 30 | + |
| 31 | +```javascript |
| 32 | +store.set('abc123', { user: { id: 1 } }, (err) => { |
| 33 | + if (err) console.error(err) |
| 34 | + console.log('Session saved') |
| 35 | +}) |
| 36 | +``` |
| 37 | + |
| 38 | +### destroy(sid, callback) |
| 39 | + |
| 40 | +Delete a session by ID. |
| 41 | + |
| 42 | +```javascript |
| 43 | +store.destroy('abc123', (err, count) => { |
| 44 | + if (err) console.error(err) |
| 45 | + console.log(`Deleted ${count} session(s)`) |
| 46 | +}) |
| 47 | +``` |
| 48 | + |
| 49 | +### touch(sid, session, callback) |
| 50 | + |
| 51 | +Refresh a session's TTL without modifying its data. Used for sliding session expiration. |
| 52 | + |
| 53 | +```javascript |
| 54 | +store.touch('abc123', session, (err, result) => { |
| 55 | + if (err) console.error(err) |
| 56 | + console.log(result) // 'OK' or 'EXPIRED' |
| 57 | +}) |
| 58 | +``` |
| 59 | + |
| 60 | +## Optional Methods |
| 61 | + |
| 62 | +These methods are not required by the session store interface but are useful for session management. |
| 63 | + |
| 64 | +### length(callback) |
| 65 | + |
| 66 | +Get the count of all active sessions. |
| 67 | + |
| 68 | +```javascript |
| 69 | +store.length((err, count) => { |
| 70 | + console.log(`Active sessions: ${count}`) |
| 71 | +}) |
| 72 | +``` |
| 73 | + |
| 74 | +### clear(callback) |
| 75 | + |
| 76 | +Delete all sessions. |
| 77 | + |
| 78 | +```javascript |
| 79 | +store.clear((err, count) => { |
| 80 | + console.log(`Cleared ${count} sessions`) |
| 81 | +}) |
| 82 | +``` |
| 83 | + |
| 84 | +### ids(callback) |
| 85 | + |
| 86 | +Get all active session IDs. |
| 87 | + |
| 88 | +```javascript |
| 89 | +store.ids((err, ids) => { |
| 90 | + console.log(ids) // ['abc123', 'def456', ...] |
| 91 | +}) |
| 92 | +``` |
| 93 | + |
| 94 | +### all(callback) |
| 95 | + |
| 96 | +Get all active sessions with their data. |
| 97 | + |
| 98 | +```javascript |
| 99 | +store.all((err, sessions) => { |
| 100 | + sessions.forEach((session) => { |
| 101 | + console.log(session.id, session.user) |
| 102 | + }) |
| 103 | +}) |
| 104 | +``` |
| 105 | + |
| 106 | +### close() |
| 107 | + |
| 108 | +Close the database connection. Call this when shutting down to clean up resources. |
| 109 | + |
| 110 | +```javascript |
| 111 | +store.close() |
| 112 | +``` |
| 113 | + |
| 114 | +::: warning |
| 115 | +After calling `close()`, the store can no longer be used. |
| 116 | +::: |
| 117 | + |
| 118 | +## TTL Behavior |
| 119 | + |
| 120 | +Session TTL (time-to-live) is determined in this order: |
| 121 | + |
| 122 | +1. **`cookie.expires`** - If the session has a cookie with an expires date |
| 123 | +2. **`cookie.maxAge`** - If the session has a cookie with maxAge (in milliseconds) |
| 124 | +3. **`ttl` option** - The default TTL configured when creating the store |
| 125 | + |
| 126 | +```javascript |
| 127 | +// TTL from cookie.expires |
| 128 | +store.set( |
| 129 | + 'abc', |
| 130 | + { |
| 131 | + cookie: { expires: new Date(Date.now() + 3600000) } // 1 hour |
| 132 | + }, |
| 133 | + callback |
| 134 | +) |
| 135 | + |
| 136 | +// TTL from cookie.maxAge |
| 137 | +store.set( |
| 138 | + 'abc', |
| 139 | + { |
| 140 | + cookie: { maxAge: 3600000 } // 1 hour in ms |
| 141 | + }, |
| 142 | + callback |
| 143 | +) |
| 144 | + |
| 145 | +// Falls back to default TTL (86400 seconds = 1 day) |
| 146 | +store.set('abc', { user: { id: 1 } }, callback) |
| 147 | +``` |
| 148 | + |
| 149 | +## Expired Sessions |
| 150 | + |
| 151 | +When a session with a negative TTL is set (i.e., it's already expired), the store will automatically destroy it instead of saving it. |
| 152 | + |
| 153 | +```javascript |
| 154 | +// This will destroy the session, not save it |
| 155 | +store.set( |
| 156 | + 'abc', |
| 157 | + { |
| 158 | + cookie: { expires: new Date(Date.now() - 1000) } // In the past |
| 159 | + }, |
| 160 | + callback |
| 161 | +) |
| 162 | +``` |
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