feat(security): release v0.7.0 with comprehensive security hardening (S-01 to S-11)

tests/upgrade_security_test.rs

@@ -0,0 +1,64 @@
+use sanctum::upgrade::{
+    run_upgrade, verify_minisign_signature, UpgradeOptions, SANCTUM_RELEASE_PUBKEY,
+};
+
+#[test]
+fn test_minisign_signature_valid() {
+    let payload = b"Hello Sanctum Release 0.7.0 Security Testing\n";
+    let sig_text = "\
+untrusted comment: signature from minisign secret key\n\
+RUSsVphPgr8155LCucDq8RzDmWMzWElzhBmHrS5p+qJlOCGU4AQpn2F28MVPFrnoGPYEHx7/6TlKg2b45DlYuBQ0+ASeLIzMLwc=\n\
+trusted comment: timestamp:1789750897\tfile:test_payload.txt\thashed\n\
+0l7KsNJkDTo2uOKL8UAiaJOWuhwhGTVZ5fn0JFMdxXE9riYixQO9YnBpSVqz8iCDhWrz8hJBnmUrIWnaRaXVCA==\n";
+
+    let res = verify_minisign_signature(payload, sig_text, SANCTUM_RELEASE_PUBKEY);
+    assert!(res.is_ok(), "Gültige Minisign-Signatur muss erfolgreich verifiziert werden: {:?}", res.err());
+}
+
+#[test]
+fn test_minisign_signature_tampered_payload() {
+    let tampered_payload = b"Hello Sanctum Release 0.7.0 Tampered Payload!\n";
+    let sig_text = "\
+untrusted comment: signature from minisign secret key\n\
+RUSsVphPgr8155LCucDq8RzDmWMzWElzhBmHrS5p+qJlOCGU4AQpn2F28MVPFrnoGPYEHx7/6TlKg2b45DlYuBQ0+ASeLIzMLwc=\n\
+trusted comment: timestamp:1789750897\tfile:test_payload.txt\thashed\n\
+0l7KsNJkDTo2uOKL8UAiaJOWuhwhGTVZ5fn0JFMdxXE9riYixQO9YnBpSVqz8iCDhWrz8hJBnmUrIWnaRaXVCA==\n";
+
+    let res = verify_minisign_signature(tampered_payload, sig_text, SANCTUM_RELEASE_PUBKEY);
+    assert!(res.is_err(), "Manipulierte Binärdaten müssen die Minisign-Prüfung verfehlen");
+    assert!(res.unwrap_err().to_string().contains("FEHLGESCHLAGEN"));
+}
+
+#[test]
+fn test_minisign_signature_wrong_key() {
+    let payload = b"Hello Sanctum Release 0.7.0 Security Testing\n";
+    let sig_text = "\
+untrusted comment: signature from minisign secret key\n\
+RUSsVphPgr8155LCucDq8RzDmWMzWElzhBmHrS5p+qJlOCGU4AQpn2F28MVPFrnoGPYEHx7/6TlKg2b45DlYuBQ0+ASeLIzMLwc=\n\
+trusted comment: timestamp:1789750897\tfile:test_payload.txt\thashed\n\
+0l7KsNJkDTo2uOKL8UAiaJOWuhwhGTVZ5fn0JFMdxXE9riYixQO9YnBpSVqz8iCDhWrz8hJBnmUrIWnaRaXVCA==\n";
+
+    // Ein anderer, unautorisierter Public Key
+    let other_key = "RWSb0a70vF1X8qIjc7xi28Gmw+cIWbMipOy4L6ToJEUPkWDw3c0qIjc7";
+    let res = verify_minisign_signature(payload, sig_text, other_key);
+    assert!(res.is_err(), "Signaturprüfung mit fremdem Schlüssel muss fehlschlagen");
+}
+
+#[test]
+fn test_upgrade_blocks_unofficial_url_without_insecure_flag() {
+    let options = UpgradeOptions {
+        check_only: true,
+        yes: false,
+        force: false,
+        base_url: "https://evil-attacker.org/sanctum".into(),
+        insecure_url: false,
+    };
+
+    let res = run_upgrade(&options);
+    assert!(res.is_err(), "Inoffizielle Server-URL ohne --insecure-url muss blockiert werden");
+    let err_msg = res.unwrap_err().to_string();
+    assert!(
+        err_msg.contains("Sicherheitsverstoß") || err_msg.contains("nicht vertrauenswürdig"),
+        "Fehler muss Sicherheitsverstoß anzeigen: {err_msg}"
+    );
+}