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send.go
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send.go
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package liveshare_routes
import (
"strconv"
"strings"
"github.com/Liphium/station/chatserver/liveshare"
"github.com/Liphium/station/main/integration"
"github.com/gofiber/fiber/v2"
)
func sendFilePart(c *fiber.Ctx) error {
id := c.FormValue("id", "")
token := c.FormValue("token", "")
if id == "" || token == "" {
return integration.InvalidRequest(c, "id and token are required")
}
transaction, valid := liveshare.GetTransaction(id)
if !valid {
return integration.InvalidRequest(c, "invalid transaction id")
}
if transaction.UploadToken != token {
return integration.InvalidRequest(c, "invalid token")
}
file, err := c.FormFile("part")
if err != nil {
return integration.InvalidRequest(c, "no file")
}
if file.Size > liveshare.ChunkSize {
return integration.InvalidRequest(c, "file too large")
}
if strings.Contains(file.Filename, "/") || strings.Contains(file.Filename, "\\") {
return integration.InvalidRequest(c, "invalid filename")
}
args := strings.Split(file.Filename, "_")
if len(args) != 2 {
return integration.InvalidRequest(c, "invalid filename format")
}
chunkStr := args[1]
chunk32, err := strconv.Atoi(chunkStr)
if err != nil {
return integration.InvalidRequest(c, "invalid chunk index")
}
chunk := int64(chunk32)
if chunk > transaction.CurrentIndex+liveshare.ChunksAhead || chunk < transaction.CurrentIndex {
return integration.InvalidRequest(c, "wrong chunk index")
}
if err := c.SaveFile(file, transaction.VolumePath+file.Filename); err != nil {
return integration.InvalidRequest(c, "failed to save file")
}
if err := transaction.PartUploaded(chunk); err != nil {
return integration.InvalidRequest(c, "failed to update transaction")
}
return nil
}