Files
new-api/service/file_decoder.go
CalciumIon 2b38e8ed8d feat: add multi-file type support for Gemini and Claude
- Add file data DTO for structured file handling
- Implement file decoder service
- Update Claude and Gemini relay channels to handle various file types
- Reorganize worker service to cf_worker for clarity
- Update token counter and image service for new file types
2024-12-29 00:00:24 +08:00

40 lines
908 B
Go

package service
import (
"encoding/base64"
"fmt"
"io"
"one-api/constant"
"one-api/dto"
)
var maxFileSize = constant.MaxFileDownloadMB * 1024 * 1024
func GetFileBase64FromUrl(url string) (*dto.LocalFileData, error) {
resp, err := DoDownloadRequest(url)
if err != nil {
return nil, err
}
defer resp.Body.Close()
// Always use LimitReader to prevent oversized downloads
fileBytes, err := io.ReadAll(io.LimitReader(resp.Body, int64(maxFileSize+1)))
if err != nil {
return nil, err
}
// Check actual size after reading
if len(fileBytes) > maxFileSize {
return nil, fmt.Errorf("file size exceeds maximum allowed size: %dMB", constant.MaxFileDownloadMB)
}
// Convert to base64
base64Data := base64.StdEncoding.EncodeToString(fileBytes)
return &dto.LocalFileData{
Base64Data: base64Data,
MimeType: resp.Header.Get("Content-Type"),
Size: int64(len(fileBytes)),
}, nil
}