Created
February 19, 2017 18:32
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// A one-time server. It serves a file with the format "uuid.7z.dat" and deletes it after 5 minutes since the first access. | |
/* | |
Copyright 2017 CapacitorSet | |
Licensed under the Apache License, Version 2.0 (the "License"); | |
you may not use this file except in compliance with the License. | |
You may obtain a copy of the License at | |
http://www.apache.org/licenses/LICENSE-2.0 | |
Unless required by applicable law or agreed to in writing, software | |
distributed under the License is distributed on an "AS IS" BASIS, | |
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
See the License for the specific language governing permissions and | |
limitations under the License. | |
*/ | |
package main | |
import ( | |
"net/http" | |
"os/exec" | |
"regexp" | |
) | |
func handler(w http.ResponseWriter, r *http.Request) { | |
r.ParseForm() | |
regex := regexp.MustCompile("/[0-9A-Fa-f-]+\\.7z\\.dat") | |
if !regex.Match([]byte(r.URL.Path)) { | |
http.Error(w, "Invalid path", 400) | |
return | |
} | |
path := "/tmp" + r.URL.Path | |
http.ServeFile(w, r, path) | |
exec.Command("bash", "-c", "echo 'rm "+path+"' | at now + 5 minutes").Run() | |
} | |
func main() { | |
http.HandleFunc("/", handler) | |
err := http.ListenAndServe(":9000", nil) | |
if err != nil { | |
panic(err) | |
} | |
} |
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