auths_cli/adapters/
system_diagnostic.rs

1//! POSIX-based diagnostic adapter — subprocess calls live here, nowhere else.
2
3use auths_sdk::ports::diagnostics::{
4    CheckCategory, CheckResult, CryptoDiagnosticProvider, DiagnosticError, GitDiagnosticProvider,
5};
6use std::process::Command;
7
8/// Production adapter that shells out to system binaries.
9pub struct PosixDiagnosticAdapter;
10
11impl GitDiagnosticProvider for PosixDiagnosticAdapter {
12    fn check_git_version(&self) -> Result<CheckResult, DiagnosticError> {
13        let output = crate::subprocess::git_command(&["--version"]).output();
14        let (passed, message) = match output {
15            Ok(out) if out.status.success() => {
16                let version = String::from_utf8_lossy(&out.stdout).trim().to_string();
17                (true, Some(version))
18            }
19            _ => (false, Some("git command not found on PATH".to_string())),
20        };
21        Ok(CheckResult {
22            name: "Git installed".to_string(),
23            passed,
24            message,
25            config_issues: vec![],
26            category: CheckCategory::Advisory,
27        })
28    }
29
30    fn get_git_config(&self, key: &str) -> Result<Option<String>, DiagnosticError> {
31        let output = crate::subprocess::git_command(&["config", "--global", "--get", key])
32            .output()
33            .map_err(|e| DiagnosticError::ExecutionFailed(e.to_string()))?;
34
35        if output.status.success() {
36            Ok(String::from_utf8(output.stdout)
37                .ok()
38                .map(|s| s.trim().to_string()))
39        } else {
40            Ok(None)
41        }
42    }
43}
44
45impl CryptoDiagnosticProvider for PosixDiagnosticAdapter {
46    fn check_ssh_keygen_available(&self) -> Result<CheckResult, DiagnosticError> {
47        // Use `which` crate logic: check if ssh-keygen exists on PATH
48        let output = Command::new("ssh-keygen")
49            .arg("-?")
50            .stderr(std::process::Stdio::piped())
51            .stdout(std::process::Stdio::piped())
52            .output();
53        let (passed, message) = match output {
54            Ok(out) if !out.stderr.is_empty() || !out.stdout.is_empty() => {
55                (true, Some("ssh-keygen found on PATH".to_string()))
56            }
57            Ok(_) => (true, Some("ssh-keygen found on PATH".to_string())),
58            Err(_) => {
59                let hint = ssh_install_hint();
60                (false, Some(format!("ssh-keygen not found on PATH. {hint}")))
61            }
62        };
63        Ok(CheckResult {
64            name: "ssh-keygen installed".to_string(),
65            passed,
66            message,
67            config_issues: vec![],
68            category: CheckCategory::Advisory,
69        })
70    }
71
72    fn check_ssh_version(&self) -> Result<String, DiagnosticError> {
73        // `ssh -V` writes to stderr, not stdout
74        let output = Command::new("ssh")
75            .arg("-V")
76            .stderr(std::process::Stdio::piped())
77            .stdout(std::process::Stdio::piped())
78            .output()
79            .map_err(|e| DiagnosticError::ExecutionFailed(format!("ssh -V failed: {e}")))?;
80
81        let stderr = String::from_utf8_lossy(&output.stderr).trim().to_string();
82        if !stderr.is_empty() {
83            return Ok(stderr);
84        }
85        let stdout = String::from_utf8_lossy(&output.stdout).trim().to_string();
86        if !stdout.is_empty() {
87            return Ok(stdout);
88        }
89        Ok("unknown".to_string())
90    }
91}
92
93/// Platform-specific install hint for ssh-keygen / OpenSSH.
94fn ssh_install_hint() -> &'static str {
95    if cfg!(target_os = "macos") {
96        "ssh-keygen is normally pre-installed on macOS. Check your PATH."
97    } else if cfg!(target_os = "windows") {
98        "Install OpenSSH via Settings > Apps > Optional features, or `winget install Microsoft.OpenSSH.Client`."
99    } else {
100        "Install OpenSSH: `sudo apt install openssh-client` (Debian/Ubuntu) or `sudo dnf install openssh-clients` (Fedora/RHEL)."
101    }
102}
auths_cli/adapters/system_diagnostic.rs

auths_cli/adapters/
system_diagnostic.rs
