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Implement tree/save/delete requests (browserpass#99)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| package helpers | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "fmt" | ||
| "io" | ||
| "io/ioutil" | ||
| "os" | ||
| "os/exec" | ||
| "path/filepath" | ||
| "strings" | ||
| ) | ||
|
|
||
| func DetectGpgBinary() (string, error) { | ||
| // Look in $PATH first, then check common locations - the first successful result wins | ||
| gpgBinaryPriorityList := []string{ | ||
| "gpg2", "gpg", | ||
| "/bin/gpg2", "/usr/bin/gpg2", "/usr/local/bin/gpg2", | ||
| "/bin/gpg", "/usr/bin/gpg", "/usr/local/bin/gpg", | ||
| } | ||
|
|
||
| for _, binary := range gpgBinaryPriorityList { | ||
| err := ValidateGpgBinary(binary) | ||
| if err == nil { | ||
| return binary, nil | ||
| } | ||
| } | ||
| return "", fmt.Errorf("Unable to detect the location of the gpg binary to use") | ||
| } | ||
|
|
||
| func ValidateGpgBinary(gpgPath string) error { | ||
| return exec.Command(gpgPath, "--version").Run() | ||
| } | ||
|
|
||
| func GpgDecryptFile(filePath string, gpgPath string) (string, error) { | ||
| passwordFile, err := os.Open(filePath) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| var stdout, stderr bytes.Buffer | ||
| gpgOptions := []string{"--decrypt", "--yes", "--quiet", "--batch", "-"} | ||
|
|
||
| cmd := exec.Command(gpgPath, gpgOptions...) | ||
| cmd.Stdin = passwordFile | ||
| cmd.Stdout = &stdout | ||
| cmd.Stderr = &stderr | ||
|
|
||
| if err := cmd.Run(); err != nil { | ||
| return "", fmt.Errorf("Error: %s, Stderr: %s", err.Error(), stderr.String()) | ||
| } | ||
|
|
||
| return stdout.String(), nil | ||
| } | ||
|
|
||
| func GpgEncryptFile(filePath string, contents string, recipients []string, gpgPath string) error { | ||
| err := os.MkdirAll(filepath.Dir(filePath), 0755) | ||
| if err != nil { | ||
| return fmt.Errorf("Unable to create directory structure: %s", err.Error()) | ||
| } | ||
|
|
||
| var stdout, stderr bytes.Buffer | ||
| gpgOptions := []string{"--encrypt", "--yes", "--quiet", "--batch", "--output", filePath} | ||
| for _, recipient := range recipients { | ||
| gpgOptions = append(gpgOptions, "--recipient", recipient) | ||
| } | ||
|
|
||
| cmd := exec.Command(gpgPath, gpgOptions...) | ||
| cmd.Stdin = strings.NewReader(contents) | ||
| cmd.Stdout = &stdout | ||
| cmd.Stderr = &stderr | ||
|
|
||
| if err = cmd.Run(); err != nil { | ||
| return fmt.Errorf("Error: %s, Stderr: %s", err.Error(), stderr.String()) | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func DetectGpgRecipients(filePath string) ([]string, error) { | ||
| dir := filepath.Dir(filePath) | ||
| for { | ||
| file, err := ioutil.ReadFile(filepath.Join(dir, ".gpg-id")) | ||
| if err == nil { | ||
| return strings.Split(strings.ReplaceAll(strings.TrimSpace(string(file)), "\r\n", "\n"), "\n"), nil | ||
| } | ||
|
|
||
| if !os.IsNotExist(err) { | ||
| return nil, fmt.Errorf("Unable to open `.gpg-id` file: %s", err.Error()) | ||
| } | ||
|
|
||
| parentDir := filepath.Dir(dir) | ||
| if parentDir == dir { | ||
| return nil, fmt.Errorf("Unable to find '.gpg-id' file") | ||
| } | ||
|
|
||
| dir = parentDir | ||
| } | ||
| } | ||
|
|
||
| func IsDirectoryEmpty(dirPath string) (bool, error) { | ||
| f, err := os.Open(dirPath) | ||
| if err != nil { | ||
| return false, err | ||
| } | ||
| defer f.Close() | ||
|
|
||
| _, err = f.Readdirnames(1) | ||
| if err == io.EOF { | ||
| return true, nil | ||
| } | ||
|
|
||
| return false, err | ||
| } |
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