acme-api: commit missing file

Signed-off-by: Dietmar Maurer <dietmar@proxmox.com>

proxmox-acme-api/src/init.rs

@@ -0,0 +1,44 @@
+use std::path::{Path, PathBuf};
+
+struct AcmeApiConfig {
+    acme_config_dir: PathBuf,
+    acme_account_dir: PathBuf,
+}
+
+static mut ACME_ACME_CONFIG: Option<AcmeApiConfig> = None;
+
+/// Initialize the global product configuration.
+pub fn init<P: AsRef<Path>>(acme_config_dir: P) {
+    let acme_config_dir = acme_config_dir.as_ref().to_owned();
+
+    unsafe {
+        ACME_ACME_CONFIG = Some(AcmeApiConfig {
+            acme_account_dir: acme_config_dir.join("accounts"),
+            acme_config_dir,
+        });
+    }
+}
+
+fn acme_api_config() -> &'static AcmeApiConfig {
+    unsafe {
+        ACME_ACME_CONFIG
+            .as_ref()
+            .expect("ProxmoxProductConfig is not initialized!")
+    }
+}
+
+pub(crate) fn acme_config_dir() -> &'static Path {
+    acme_api_config().acme_config_dir.as_path()
+}
+
+pub(crate) fn acme_account_dir() -> &'static Path {
+    acme_api_config().acme_account_dir.as_path()
+}
+
+pub(crate) fn plugin_cfg_filename() -> PathBuf {
+    acme_config_dir().join("plugins.cfg")
+}
+
+pub(crate) fn plugin_cfg_lockfile() -> PathBuf {
+    acme_config_dir().join("plugins.lck")
+}