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272import { db, event, hashStringToUuid, normalizeHtmlWithVdom, generateShortId } from "#src/utils"
export const scanWebhook = async () => {
console.log(JSON.stringify(event));
const { auditId, scanId, urlId, url, blockers, status, error } = event.body;
// Validate required fields
if (!auditId || !urlId) {
console.error("Missing required fields: auditId or urlId", { auditId, urlId });
return { success: false, message: 'Missing required fields: auditId and urlId are required' };
}
if (!scanId) {
console.error("Missing scanId in webhook payload - looking up from audit", { auditId, urlId });
}
await db.connect();
// If scanId is missing, look it up from the most recent scan for this audit
let effectiveScanId = scanId;
if (!effectiveScanId) {
const scanResult = await db.query({
text: `SELECT id FROM scans WHERE audit_id = $1 ORDER BY created_at DESC LIMIT 1`,
values: [auditId],
});
if (scanResult?.rows?.[0]?.id) {
effectiveScanId = scanResult.rows[0].id;
console.log(`Resolved scanId from audit: ${effectiveScanId}`);
} else {
console.error("Could not resolve scanId for audit", { auditId });
// Continue without scanId - we can still save blockers
}
}
const ignoredBlockerHashes = (await db.query({
text: `SELECT b.content_hash_id FROM ignored_blockers as ib LEFT OUTER JOIN blockers as b ON ib.blocker_id = b.id WHERE ib.audit_id=$1`,
values: [auditId],
}))?.rows?.map(obj => obj.content_hash_id.replaceAll('-', ''));
// Helper function to log errors to the scans table (atomic append)
const logScanError = async (errorType: string, errorMessage: string, errorDetails?: object) => {
const errorEntry = {
type: errorType,
message: errorMessage,
urlId,
url: url || null,
timestamp: new Date().toISOString(),
...(errorDetails && { details: errorDetails })
};
// Atomic append using PostgreSQL's jsonb_concat (||) operator
if (effectiveScanId) {
await db.query({
text: `UPDATE "scans" SET "errors" = COALESCE("errors", '[]'::jsonb) || $1::jsonb WHERE "id"=$2`,
values: [JSON.stringify([errorEntry]), effectiveScanId],
});
}
console.log(`Scan error logged: ${errorType} - ${errorMessage}`);
};
// Helper function to update scan progress and status (atomic operation)
const updateScanProgress = async () => {
// Skip if no scanId available
if (!effectiveScanId) {
console.warn("Cannot update scan progress: no scanId available");
return { percentage: 0, isComplete: false, scannedCount: 0, totalPages: 0 };
}
// Use a single atomic UPDATE with RETURNING to avoid race conditions
// This atomically adds urlId to processed_pages if not present, then calculates progress
const result = (await db.query({
text: `
UPDATE "scans"
SET
"processed_pages" = CASE
WHEN NOT (COALESCE("processed_pages", '[]'::jsonb) @> $1::jsonb)
THEN COALESCE("processed_pages", '[]'::jsonb) || $1::jsonb
ELSE "processed_pages"
END
WHERE "id" = $2
RETURNING
"pages",
"processed_pages",
jsonb_array_length(COALESCE("processed_pages", '[]'::jsonb)) as scanned_count
`,
values: [JSON.stringify([urlId]), effectiveScanId],
})).rows[0];
if (!result) {
console.error("Scan not found for id:", effectiveScanId);
return { percentage: 0, isComplete: false, scannedCount: 0, totalPages: 0 };
}
const totalPages = result.pages?.length || 0;
const scannedCount = result.scanned_count || 0;
const percentage = totalPages > 0 ? Math.min(Math.round((scannedCount / totalPages) * 100), 100) : 0;
const isComplete = scannedCount >= totalPages;
// Second atomic update for percentage and status
await db.query({
text: `UPDATE "scans" SET "percentage"=$1, "status"=$2 WHERE "id"=$3`,
values: [percentage, isComplete ? 'complete' : 'processing', effectiveScanId],
});
return { percentage, isComplete, scannedCount, totalPages };
};
// Handle failed scans
if (status === 'failed') {
// Determine the error type based on the error message
let errorType = 'scan_failed';
if (error?.includes('TimeoutError') || error?.includes('timeout') || error?.includes('Timeout')) {
errorType = 'page_timeout';
} else if (error?.includes('net::ERR_')) {
errorType = 'network_error';
} else if (error?.includes('failed to produce results')) {
errorType = 'no_results';
}
await logScanError(errorType, error || 'Unknown scan failure');
// Still count this page as processed (it was attempted)
const { isComplete } = await updateScanProgress();
// Only mark audit as failed if this is the only/last page, otherwise let other pages continue
if (isComplete) {
// Check if there were any successful pages by looking at blockers
const hasSuccessfulPages = effectiveScanId ? (await db.query({
text: `SELECT COUNT(*) FROM "blockers" WHERE "scan_id"=$1`,
values: [effectiveScanId],
})).rows[0].count > 0 : false;
await db.query({
text: `UPDATE "audits" SET "status"=$1, "response"=$2 WHERE "id"=$3`,
values: [hasSuccessfulPages ? 'complete' : 'failed', JSON.stringify({ error, urlId }), auditId],
});
}
await db.clean();
return { success: true, message: 'Scan failure recorded' };
}
// Store the latest response payload and mark audit as processing (will be set to 'complete' or 'failed' when scan finishes)
await db.query({
text: `UPDATE "audits" SET "status"='processing', "response"=$1 WHERE "id"=$2`,
values: [JSON.stringify(event.body), auditId],
});
// Premature exit
// await db.clean();
// return;
// Process blockers with error handling
let processedBlockers = 0;
let blockerErrors = 0;
for (const blocker of blockers) {
try {
const contentNormalized = normalizeHtmlWithVdom(blocker.node);
const contentHashId = hashStringToUuid(contentNormalized);
// if (ignoredBlockerHashes.includes(contentHashId.replaceAll('-', ''))) {
// continue;
// }
// Insert blocker with short_id collision retry
let blockerId: string;
let insertAttempts = 0;
const MAX_SHORT_ID_ATTEMPTS = 3;
while (true) {
try {
const shortId = generateShortId();
blockerId = (await db.query({
text: `
INSERT INTO "blockers" ("audit_id", "targets", "content", "content_normalized", "content_hash_id", "short_id", "url_id", "scan_id")
VALUES ($1, $2, $3, $4, $5, $6, $7, $8)
RETURNING "id"
`,
values: [auditId, JSON.stringify([]), blocker.node, contentNormalized, contentHashId, shortId, urlId, effectiveScanId],
})).rows[0].id;
break;
} catch (insertError) {
insertAttempts++;
if (insertError?.message?.includes('blockers_short_id') && insertAttempts < MAX_SHORT_ID_ATTEMPTS) {
continue; // Retry with a new short_id
}
throw insertError; // Re-throw non-collision errors or if retries exhausted
}
}
if (ignoredBlockerHashes.includes(contentHashId.replaceAll('-', ''))) {
await db.query({
text: `INSERT INTO "ignored_blockers" ("audit_id", "blocker_id") VALUES ($1, $2) ON CONFLICT DO NOTHING`,
values: [auditId, blockerId],
})
}
const tagIds = [];
for (const tag of blocker.tags) {
const tagId = hashStringToUuid(tag);
tagIds.push(tagId);
await db.query({
text: `INSERT INTO "tags" ("id", "content") VALUES ($1, $2) ON CONFLICT ("id") DO NOTHING`,
values: [tagId, tag],
});
}
// Insert or get blocker type based on description
const blockerTypeId = hashStringToUuid(blocker.description + blocker.test);
await db.query({
text: `
INSERT INTO "messages" ("id", "content", "category")
VALUES ($1, $2, $3)
ON CONFLICT ("id") DO NOTHING
`,
values: [blockerTypeId, blocker.description, blocker.test || 'unknown'],
});
// Link blocker type tags
for (const tagId of tagIds) {
await db.query({
text: `
INSERT INTO "message_tags" ("message_id", "tag_id")
VALUES ($1, $2)
ON CONFLICT ("message_id", "tag_id") DO NOTHING
`,
values: [blockerTypeId, tagId],
});
}
// Link blocker type to blocker
await db.query({
text: `
INSERT INTO "blocker_messages" ("message_id", "blocker_id")
VALUES ($1, $2)
ON CONFLICT ("message_id", "blocker_id") DO NOTHING
`,
values: [blockerTypeId, blockerId],
});
processedBlockers++;
} catch (blockerError) {
blockerErrors++;
console.error(`Error processing blocker:`, blockerError);
await logScanError('blocker_processing_error', blockerError?.message || 'Failed to process blocker', {
blockerTest: blocker.test,
blockerDescription: blocker.description?.substring(0, 100)
});
}
}
// Log a warning if some blockers failed to process
if (blockerErrors > 0) {
console.warn(`Processed ${processedBlockers}/${blockers.length} blockers. ${blockerErrors} failed.`);
}
// Update scan progress and status
const { isComplete, percentage, scannedCount, totalPages } = await updateScanProgress();
console.log(`Scan progress: ${scannedCount}/${totalPages} pages (${percentage}%) - ${isComplete ? 'COMPLETE' : 'processing'}`);
// Update audit status when scan is complete
if (isComplete) {
await db.query({
text: `UPDATE "audits" SET "status"=$1 WHERE "id"=$2`,
values: ['complete', auditId],
});
}
await db.clean();
return;
}