linx-server/delete.go

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package main
import (
"fmt"
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"net/http"
"os"
"path"
"github.com/zenazn/goji/web"
)
func deleteHandler(c web.C, w http.ResponseWriter, r *http.Request) {
requestKey := r.Header.Get("Linx-Delete-Key")
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filename := c.URLParams["name"]
filePath := path.Join(Config.filesDir, filename)
metaPath := path.Join(Config.metaDir, filename)
// Ensure requested file actually exists
if _, readErr := os.Stat(filePath); os.IsNotExist(readErr) {
notFoundHandler(c, w, r) // 404 - file doesn't exist
return
}
// Ensure delete key is correct
deleteKey, err := metadataGetDeleteKey(filename)
if err != nil {
unauthorizedHandler(c, w, r) // 401 - no metadata available
return
}
if deleteKey == requestKey {
fileDelErr := os.Remove(filePath)
metaDelErr := os.Remove(metaPath)
if (fileDelErr != nil) || (metaDelErr != nil) {
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oopsHandler(c, w, r, RespPLAIN, "Could not delete")
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return
}
fmt.Fprintf(w, "DELETED")
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return
} else {
unauthorizedHandler(c, w, r) // 401 - wrong delete key
return
}
}