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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 | 14x 14x 14x 14x 7x 7x 5x 5x 5x 2x 14x 7x 7x 7x 5x 5x 5x 5x 5x 5x 1x 4x 5x 4x | import { BaseHandler } from './base-handler.js';
export class SessionHandlers extends BaseHandler {
async createSession(options: { session_id?: string; initial_url?: string; browser_type?: string }) {
try {
// Generate session ID if not provided
const sessionId = options.session_id || `session-${Date.now()}-${Math.random().toString(36).substring(2, 11)}`;
// Store session info locally
this.sessions.set(sessionId, {
id: sessionId,
created_at: new Date(),
last_used: new Date(),
initial_url: options.initial_url,
metadata: {
browser_type: options.browser_type || 'chromium',
},
});
// If initial_url provided, make first crawl to establish session
if (options.initial_url) {
try {
await this.axiosClient.post(
'/crawl',
{
urls: [options.initial_url],
browser_config: {
headless: true,
browser_type: options.browser_type || 'chromium',
},
crawler_config: {
session_id: sessionId,
cache_mode: 'BYPASS',
},
},
{
timeout: 30000, // 30 second timeout for initial crawl
},
);
// Update last_used
const session = this.sessions.get(sessionId);
Eif (session) {
session.last_used = new Date();
}
} catch (error) {
// Session created but initial crawl failed - still return success
console.error(`Initial crawl failed for session ${sessionId}:`, error);
}
}
return {
content: [
{
type: 'text',
text: `Session created successfully:\nSession ID: ${sessionId}\nBrowser: ${options.browser_type || 'chromium'}\n${options.initial_url ? `Pre-warmed with: ${options.initial_url}` : 'Ready for use'}\n\nUse this session_id with the crawl tool to maintain state across requests.`,
},
],
// Include all session parameters for easier programmatic access
session_id: sessionId,
browser_type: options.browser_type || 'chromium',
initial_url: options.initial_url,
created_at: this.sessions.get(sessionId)?.created_at.toISOString(),
};
} catch (error) {
throw this.formatError(error, 'create session');
}
}
async clearSession(options: { session_id: string }) {
try {
// Remove from local store
const deleted = this.sessions.delete(options.session_id);
// Note: The actual browser session in Crawl4AI will be cleaned up
// automatically after inactivity or when the server restarts
return {
content: [
{
type: 'text',
text: deleted
? `Session cleared successfully: ${options.session_id}`
: `Session not found: ${options.session_id}`,
},
],
};
} catch (error) {
throw this.formatError(error, 'clear session');
}
}
async listSessions() {
try {
// Return locally stored sessions
const sessions = Array.from(this.sessions.entries()).map(([id, info]) => {
const ageMinutes = Math.floor((Date.now() - info.created_at.getTime()) / 60000);
const lastUsedMinutes = Math.floor((Date.now() - info.last_used.getTime()) / 60000);
return {
session_id: id,
created_at: info.created_at.toISOString(),
last_used: info.last_used.toISOString(),
age_minutes: ageMinutes,
last_used_minutes_ago: lastUsedMinutes,
initial_url: info.initial_url,
browser_type: info.metadata?.browser_type || 'chromium',
};
});
if (sessions.length === 0) {
return {
content: [
{
type: 'text',
text: 'No active sessions found.',
},
],
};
}
const sessionList = sessions
.map(
(session) =>
`- ${session.session_id} (${session.browser_type}, created ${session.age_minutes}m ago, last used ${session.last_used_minutes_ago}m ago)`,
)
.join('\n');
return {
content: [
{
type: 'text',
text: `Active sessions (${sessions.length}):\n${sessionList}`,
},
],
};
} catch (error) {
throw this.formatError(error, 'list sessions');
}
}
}
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