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64 lines
1.5 KiB
Markdown
64 lines
1.5 KiB
Markdown
# Chunked Uploads
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OxiCloud supports TUS-like chunked uploads for large files. Uploads are parallel, resumable, and have MD5 integrity checks.
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## How It Works
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1. Client sends `POST /api/files/upload/init` with file metadata → receives an `upload_id`
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2. Client splits the file into chunks and uploads them in parallel via `POST /api/files/upload/chunk`
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3. Each chunk includes its index, MD5 hash, and the `upload_id`
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4. When all chunks are uploaded, client calls `POST /api/files/upload/complete`
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5. Server reassembles the file, verifies integrity, and runs deduplication
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## API Endpoints
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### Initialize Upload
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```http
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POST /api/files/upload/init
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Content-Type: application/json
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{
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"file_name": "large-video.mp4",
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"folder_id": "folder-uuid",
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"total_size": 524288000,
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"chunk_size": 8388608,
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"total_chunks": 63
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}
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```
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### Upload Chunk
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```http
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POST /api/files/upload/chunk
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Content-Type: multipart/form-data
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upload_id: "uuid"
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chunk_index: 0
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chunk_hash: "md5-hex"
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file: <binary>
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```
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### Complete Upload
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```http
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POST /api/files/upload/complete
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Content-Type: application/json
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{
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"upload_id": "uuid"
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}
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```
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## Configuration
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| Parameter | Default | Description |
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|---|---|---|
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| Max parallel chunks | 8 | Concurrent chunk uploads |
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| Min size for chunking | 200 MB | Below this, single-shot upload is used |
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| Chunk size | 8 MB | Default chunk size |
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## Frontend Behaviour
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The OxiCloud web UI automatically selects chunked upload for large files. A progress bar shows overall completion and current chunk status.
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