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URL: http://github.com/HTTPArchive/tech-report-apis/commit/328a182f4f2070ad2db79a21ac381cd79b88aa72

link crossorigen="anonymous" media="all" rel="stylesheet" href="https://github.githubassets.com/assets/global-a469e846088cc1bf.css" /> fix headers · HTTPArchive/tech-report-apis@328a182 · GitHub
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max-ostapenkomax-ostapenko
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fix headers
Signed-off-by: Max Ostapenko <1611259+max-ostapenko@users.noreply.github.com>
1 parent 682c0ab commit 328a182

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3 files changed

+2
-292
lines changed

3 files changed

+2
-292
lines changed

‎src/index.js‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -86,7 +86,7 @@ const sendJSONResponse = (res, data, statusCode = 200) => {
8686

8787
// Helper function to check if resource is modified
8888
const isModified = (req, etag) => {
89-
const ifNoneMatch = req.headers['If-None-Match'] || req.get('If-None-Match');
89+
const ifNoneMatch = req.headers['if-none-match'] || (req.get && req.get('if-none-match'));
9090
return !ifNoneMatch || ifNoneMatch !== `"${etag}"`;
9191
};
9292

‎src/tests/headers.test.js‎

Lines changed: 1 addition & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -39,8 +39,7 @@ describe('CDN Headers', () => {
3939
expect(res.headers['access-control-allow-origen']).toBe('*');
4040
expect(res.headers['access-control-allow-headers']).toContain('Content-Type');
4141
expect(res.headers['access-control-allow-headers']).toContain('If-None-Match');
42-
expect(res.headers['access-control-expose-headers']).toContain('ETag');
43-
expect(res.headers['access-control-expose-headers']).toContain('Cloud-CDN-Cache-Tag');
42+
expect(res.headers['access-control-expose-headers']).toBe('*');
4443
});
4544

4645
it('should set correct headers for static file proxy', async () => {

‎src/tests/routes.test.js‎

Lines changed: 0 additions & 289 deletions
Original file line numberDiff line numberDiff line change
@@ -673,293 +673,4 @@ describe('API Routes', () => {
673673
});
674674
});
675675
});
676-
677-
describe('GET /v1/static/*', () => {
678-
beforeEach(() => {
679-
// Reset all mocks before each test
680-
mockFileExists.mockReset();
681-
mockGetMetadata.mockReset();
682-
mockCreateReadStream.mockReset();
683-
mockFile.mockClear();
684-
mockBucket.mockClear();
685-
});
686-
687-
describe('Valid file requests', () => {
688-
it('should return file content for valid path', async () => {
689-
const fileContent = JSON.stringify({ data: 'test' });
690-
const readable = Readable.from([fileContent]);
691-
692-
mockFileExists.mockResolvedValue([true]);
693-
mockGetMetadata.mockResolvedValue([{
694-
contentType: 'application/json',
695-
etag: '"abc123"',
696-
size: fileContent.length
697-
}]);
698-
mockCreateReadStream.mockReturnValue(readable);
699-
700-
const res = await request(app)
701-
.get('/v1/static/reports/2024/data.json')
702-
.expect(200);
703-
704-
expect(res.headers['content-type']).toContain('application/json');
705-
expect(res.headers['cache-control']).toContain('public');
706-
expect(res.headers['access-control-allow-origen']).toEqual('*');
707-
});
708-
709-
it('should infer MIME type from file extension when not in metadata', async () => {
710-
const fileContent = '{"test": true}';
711-
const readable = Readable.from([fileContent]);
712-
713-
mockFileExists.mockResolvedValue([true]);
714-
mockGetMetadata.mockResolvedValue([{
715-
etag: '"abc123"',
716-
size: fileContent.length
717-
}]);
718-
mockCreateReadStream.mockReturnValue(readable);
719-
720-
const res = await request(app)
721-
.get('/v1/static/reports/data.json')
722-
.expect(200);
723-
724-
expect(res.headers['content-type']).toContain('application/json');
725-
});
726-
727-
it('should handle CORS preflight requests', async () => {
728-
const res = await request(app)
729-
.options('/v1/static/reports/data.json')
730-
.set('Origin', 'http://example.com')
731-
.set('Access-Control-Request-Method', 'GET')
732-
.set('Access-Control-Request-Headers', 'Content-Type');
733-
734-
expect(res.statusCode).toEqual(204);
735-
expect(res.headers['access-control-allow-origen']).toEqual('*');
736-
});
737-
});
738-
739-
describe('Invalid file paths (directory traversal attempts)', () => {
740-
it('should reject paths containing double dot sequences', async () => {
741-
// Test with '..' embedded in the path that won't be normalized away
742-
const res = await request(app)
743-
.get('/v1/static/reports/..hidden/passwd')
744-
745-
expect(res.body).toHaveProperty('error', 'Invalid file path');
746-
});
747-
748-
it('should reject paths with double slashes', async () => {
749-
const res = await request(app)
750-
.get('/v1/static/reports//data.json')
751-
.expect(400);
752-
753-
expect(res.body).toHaveProperty('error', 'Invalid file path');
754-
});
755-
756-
it('should reject paths with encoded double dots', async () => {
757-
// URL-encoded '..' = %2e%2e
758-
mockFileExists.mockResolvedValue([false]); // Will be checked after validation
759-
760-
const res = await request(app)
761-
.get('/v1/static/reports/%2e%2e/secret/passwd');
762-
763-
// Should either be rejected as invalid or not found
764-
expect([400, 404]).toContain(res.statusCode);
765-
});
766-
});
767-
768-
describe('Non-existent files (404 handling)', () => {
769-
it('should return 404 for non-existent files', async () => {
770-
mockFileExists.mockResolvedValue([false]);
771-
772-
const res = await request(app)
773-
.get('/v1/static/reports/nonexistent.json')
774-
.expect(404);
775-
776-
expect(res.body).toHaveProperty('error', 'File not found');
777-
});
778-
779-
it('should return 400 for empty file path', async () => {
780-
const res = await request(app)
781-
.get('/v1/static/')
782-
.expect(400);
783-
784-
expect(res.body).toHaveProperty('error', 'File path required');
785-
});
786-
});
787-
788-
describe('Conditional requests (ETag/If-None-Match)', () => {
789-
it('should return 304 when ETag matches If-None-Match header', async () => {
790-
const etag = '"abc123"';
791-
792-
mockFileExists.mockResolvedValue([true]);
793-
mockGetMetadata.mockResolvedValue([{
794-
contentType: 'application/json',
795-
etag: etag,
796-
size: 100
797-
}]);
798-
799-
const res = await request(app)
800-
.get('/v1/static/reports/data.json')
801-
.set('If-None-Match', etag)
802-
.expect(304);
803-
804-
// 304 responses have no body
805-
expect(res.text).toEqual('');
806-
});
807-
808-
it('should return 200 with content when ETag does not match', async () => {
809-
const fileContent = JSON.stringify({ data: 'test' });
810-
const readable = Readable.from([fileContent]);
811-
812-
mockFileExists.mockResolvedValue([true]);
813-
mockGetMetadata.mockResolvedValue([{
814-
contentType: 'application/json',
815-
etag: '"abc123"',
816-
size: fileContent.length
817-
}]);
818-
mockCreateReadStream.mockReturnValue(readable);
819-
820-
const res = await request(app)
821-
.get('/v1/static/reports/data.json')
822-
.set('If-None-Match', '"different-etag"')
823-
.expect(200);
824-
825-
expect(res.headers['etag']).toEqual('"abc123"');
826-
});
827-
828-
it('should include ETag in response headers', async () => {
829-
const fileContent = JSON.stringify({ data: 'test' });
830-
const readable = Readable.from([fileContent]);
831-
832-
mockFileExists.mockResolvedValue([true]);
833-
mockGetMetadata.mockResolvedValue([{
834-
contentType: 'application/json',
835-
etag: '"abc123"',
836-
size: fileContent.length
837-
}]);
838-
mockCreateReadStream.mockReturnValue(readable);
839-
840-
const res = await request(app)
841-
.get('/v1/static/reports/data.json')
842-
.expect(200);
843-
844-
expect(res.headers).toHaveProperty('etag', '"abc123"');
845-
});
846-
});
847-
848-
describe('Error scenarios (GCS failures)', () => {
849-
it('should handle GCS exists() failure', async () => {
850-
mockFileExists.mockRejectedValue(new Error('GCS connection failed'));
851-
852-
const res = await request(app)
853-
.get('/v1/static/reports/data.json')
854-
.expect(500);
855-
856-
expect(res.body).toHaveProperty('error', 'Server failed to respond');
857-
expect(res.body).toHaveProperty('details');
858-
});
859-
860-
it('should handle GCS getMetadata() failure', async () => {
861-
mockFileExists.mockResolvedValue([true]);
862-
mockGetMetadata.mockRejectedValue(new Error('Metadata retrieval failed'));
863-
864-
const res = await request(app)
865-
.get('/v1/static/reports/data.json')
866-
.expect(500);
867-
868-
expect(res.body).toHaveProperty('error', 'Server failed to respond');
869-
expect(res.body).toHaveProperty('details');
870-
});
871-
872-
it('should handle stream errors during file read', async () => {
873-
mockFileExists.mockResolvedValue([true]);
874-
mockGetMetadata.mockResolvedValue([{
875-
contentType: 'application/json',
876-
etag: '"abc123"',
877-
size: 100
878-
}]);
879-
880-
// Create a stream that emits an error after a delay
881-
const errorStream = new Readable({
882-
read() {
883-
// Emit error asynchronously
884-
process.nextTick(() => {
885-
this.destroy(new Error('Stream read error'));
886-
});
887-
}
888-
});
889-
mockCreateReadStream.mockReturnValue(errorStream);
890-
891-
// Use try-catch since stream errors may cause connection issues
892-
try {
893-
const res = await request(app)
894-
.get('/v1/static/reports/data.json')
895-
.timeout(1000);
896-
897-
// If we get a response, verify error handling
898-
expect([200, 500]).toContain(res.statusCode);
899-
} catch (err) {
900-
// Connection aborted due to stream error is expected behavior
901-
expect(err.message).toMatch(/aborted|ECONNRESET|socket hang up/i);
902-
}
903-
});
904-
});
905-
906-
describe('MIME type detection', () => {
907-
it('should detect application/json for .json files', async () => {
908-
const content = '{"test":true}';
909-
const readable = Readable.from([content]);
910-
911-
mockFileExists.mockResolvedValue([true]);
912-
mockGetMetadata.mockResolvedValue([{ size: content.length }]);
913-
mockCreateReadStream.mockReturnValue(readable);
914-
915-
const res = await request(app)
916-
.get('/v1/static/reports/data.json')
917-
.expect(200);
918-
919-
expect(res.headers['content-type']).toContain('application/json');
920-
});
921-
922-
it('should detect image/png for .png files', async () => {
923-
const content = Buffer.from([0x89, 0x50, 0x4E, 0x47]); // PNG magic bytes
924-
const readable = Readable.from([content]);
925-
926-
mockFileExists.mockResolvedValue([true]);
927-
mockGetMetadata.mockResolvedValue([{ size: content.length }]);
928-
mockCreateReadStream.mockReturnValue(readable);
929-
930-
const res = await request(app)
931-
.get('/v1/static/reports/chart.png')
932-
.buffer(true)
933-
.parse((res, callback) => {
934-
const chunks = [];
935-
res.on('data', chunk => chunks.push(chunk));
936-
res.on('end', () => callback(null, Buffer.concat(chunks)));
937-
});
938-
939-
expect(res.statusCode).toEqual(200);
940-
expect(res.headers['content-type']).toContain('image/png');
941-
});
942-
943-
it('should use application/octet-stream for unknown extensions', async () => {
944-
const content = Buffer.from([0x00, 0x01, 0x02]);
945-
const readable = Readable.from([content]);
946-
947-
mockFileExists.mockResolvedValue([true]);
948-
mockGetMetadata.mockResolvedValue([{ size: content.length }]);
949-
mockCreateReadStream.mockReturnValue(readable);
950-
951-
const res = await request(app)
952-
.get('/v1/static/reports/file.xyz')
953-
.buffer(true)
954-
.parse((res, callback) => {
955-
const chunks = [];
956-
res.on('data', chunk => chunks.push(chunk));
957-
res.on('end', () => callback(null, Buffer.concat(chunks)));
958-
});
959-
960-
expect(res.statusCode).toEqual(200);
961-
expect(res.headers['content-type']).toContain('application/octet-stream');
962-
});
963-
});
964-
});
965676
});

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