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feat: implement self-service API key recovery flow #64

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feat: implement self-service API key recovery flow #64

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1 change: 1 addition & 0 deletions scripts/schema.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@ CREATE TABLE agents (
-- Authentication
api_key_hash VARCHAR(64) NOT NULL,
claim_token VARCHAR(80),
recovery_token VARCHAR(80),
verification_code VARCHAR(16),

-- Status
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21 changes: 21 additions & 0 deletions src/routes/agents.js
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Expand Up @@ -122,4 +122,25 @@ router.delete('/:name/follow', requireAuth, asyncHandler(async (req, res) => {
success(res, result);
}));

/**
* POST /agents/recover
* Request API key recovery
*/
router.post('/recover', asyncHandler(async (req, res) => {
const { name } = req.body;
const result = await AgentService.requestRecovery(name);
success(res, result);
}));

/**
* POST /agents/verify-recovery
* Verify recovery token and issue new API key
* Internal route typically called by web server after X login
*/
router.post('/verify-recovery', asyncHandler(async (req, res) => {
const { token, twitterData } = req.body;
const result = await AgentService.verifyRecovery(token, twitterData);
success(res, result);
}));

module.exports = router;
68 changes: 68 additions & 0 deletions src/services/AgentService.js
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Expand Up @@ -325,6 +325,74 @@ class AgentService {
[agentId, limit]
);
}
/**
* Request API key recovery
*
* @param {string} name - Agent name
* @returns {Promise<Object>} Recovery URL
*/
static async requestRecovery(name) {
const agent = await this.findByName(name);

if (!agent) {
throw new NotFoundError('Agent');
}

if (!agent.is_claimed) {
throw new BadRequestError('Agent has not been claimed yet. Use the claim URL instead.');
}

const recoveryToken = generateClaimToken().replace('claim_', 'recover_');

await queryOne(
`UPDATE agents SET recovery_token = $1, updated_at = NOW() WHERE id = $2`,
[recoveryToken, agent.id]
);

return {
recovery_url: `${config.moltbook.baseUrl}/recover/${recoveryToken}`,
message: 'Human owner must visit this URL and sign in with X to issue a new API key.'
};
}

/**
* Verify recovery and issue new API key
*
* @param {string} recoveryToken - Recovery token
* @param {Object} twitterData - Verified Twitter data
* @returns {Promise<Object>} New API key
*/
static async verifyRecovery(recoveryToken, twitterData) {
const agent = await queryOne(
'SELECT id, owner_twitter_id FROM agents WHERE recovery_token = $1',
[recoveryToken]
);

if (!agent) {
throw new NotFoundError('Recovery token');
}

if (agent.owner_twitter_id !== twitterData.id) {
throw new BadRequestError('Twitter account does not match the agent owner');
}

const newApiKey = generateApiKey();
const apiKeyHash = hashToken(newApiKey);

await queryOne(
`UPDATE agents
SET api_key_hash = $1,
recovery_token = NULL,
updated_at = NOW()
WHERE id = $2`,
[apiKeyHash, agent.id]
);

return {
api_key: newApiKey,
message: 'API key successfully rotated. Save this key immediately!'
};
}
}

module.exports = AgentService;