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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -2,7 +2,7 @@ | |
| .vscode | ||
| vendor | ||
| config.json | ||
| whitelist.txt | ||
| allowlist.txt | ||
| out | ||
| pkg_root | ||
| go-musicbot | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| package bot | ||
|
|
||
| import ( | ||
| "bufio" | ||
| "fmt" | ||
| "os" | ||
| "sync" | ||
| ) | ||
|
|
||
| type AllowList struct { | ||
| path string | ||
| names map[string]struct{} | ||
| lock sync.Mutex | ||
| } | ||
|
|
||
| func LoadAllowList(path string) (*AllowList, error) { | ||
| file, err := os.OpenFile(path, os.O_RDWR|os.O_CREATE, 0666) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("unable to open file %s: %v", path, err) | ||
| } | ||
| defer file.Close() | ||
|
|
||
| list := make(map[string]struct{}) | ||
| scanner := bufio.NewScanner(file) | ||
| for scanner.Scan() { | ||
| list[scanner.Text()] = struct{}{} | ||
| } | ||
|
|
||
| err = scanner.Err() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| instance := &AllowList{ | ||
| path: path, | ||
| names: list, | ||
| } | ||
|
|
||
| return instance, nil | ||
| } | ||
|
|
||
| func (allowlist *AllowList) Write() error { | ||
| allowlist.lock.Lock() | ||
| defer allowlist.lock.Unlock() | ||
|
|
||
| return allowlist.write() | ||
| } | ||
|
|
||
| func (allowlist *AllowList) write() error { | ||
| file, err := os.Create(allowlist.path) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer file.Close() | ||
|
|
||
| w := bufio.NewWriter(file) | ||
| for line := range allowlist.names { | ||
| _, err = fmt.Fprintln(w, line) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
| err = w.Flush() | ||
| return err | ||
| } | ||
|
|
||
| func (allowlist *AllowList) Add(name string) error { | ||
| allowlist.lock.Lock() | ||
| defer allowlist.lock.Unlock() | ||
|
|
||
| allowlist.names[name] = struct{}{} | ||
|
|
||
| return allowlist.write() | ||
| } | ||
|
|
||
| func (allowlist *AllowList) Contains(name string) bool { | ||
| _, exists := allowlist.names[name] | ||
|
|
||
| return exists | ||
| } | ||
|
|
||
| func (allowlist *AllowList) Remove(name string) error { | ||
| allowlist.lock.Lock() | ||
| defer allowlist.lock.Unlock() | ||
|
|
||
| _, exists := allowlist.names[name] | ||
|
|
||
| if !exists { | ||
| return nil | ||
| } | ||
|
|
||
| delete(allowlist.names, name) | ||
|
|
||
| return allowlist.write() | ||
| } |
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