[pbs-devel] [PATCH proxmox-backup v2 4/9] add API to manage openid realms

[Dietmar Maurer <dietmar@proxmox.com>]

---
 src/api2/config/access/mod.rs    |   8 +-
 src/api2/config/access/openid.rs | 264 +++++++++++++++++++++++++++++++
 2 files changed, 271 insertions(+), 1 deletion(-)
 create mode 100644 src/api2/config/access/openid.rs

diff --git a/src/api2/config/access/mod.rs b/src/api2/config/access/mod.rs
index 659815e0..6e7d98be 100644
--- a/src/api2/config/access/mod.rs
+++ b/src/api2/config/access/mod.rs
@@ -1,9 +1,15 @@
 use proxmox::api::{Router, SubdirMap};
 use proxmox::list_subdirs_api_method;
+use proxmox::{identity, sortable};
 
 pub mod tfa;
+pub mod openid;
 
-const SUBDIRS: SubdirMap = &[("tfa", &tfa::ROUTER)];
+#[sortable]
+const SUBDIRS: SubdirMap = &sorted!([
+    ("openid", &openid::ROUTER),
+    ("tfa", &tfa::ROUTER),
+]);
 
 pub const ROUTER: Router = Router::new()
     .get(&list_subdirs_api_method!(SUBDIRS))
diff --git a/src/api2/config/access/openid.rs b/src/api2/config/access/openid.rs
new file mode 100644
index 00000000..15fddaf0
--- /dev/null
+++ b/src/api2/config/access/openid.rs
@@ -0,0 +1,264 @@
+/// Configure OpenId realms
+
+use anyhow::{bail, Error};
+use serde_json::Value;
+use ::serde::{Deserialize, Serialize};
+
+use proxmox::api::{api, Permission, Router, RpcEnvironment};
+
+use crate::config::domains::{self, OpenIdRealmConfig};
+use crate::config::acl::{PRIV_SYS_AUDIT, PRIV_PERMISSIONS_MODIFY};
+use crate::api2::types::*;
+
+#[api(
+    input: {
+        properties: {},
+    },
+    returns: {
+        description: "List of configured OpenId realms.",
+        type: Array,
+        items: { type: OpenIdRealmConfig },
+    },
+    access: {
+        permission: &Permission::Privilege(&["access", "domains"], PRIV_SYS_AUDIT, false),
+    },
+)]
+/// List configured OpenId realms
+pub fn list_openid_realms(
+    _param: Value,
+    mut rpcenv: &mut dyn RpcEnvironment,
+) -> Result<Vec<OpenIdRealmConfig>, Error> {
+
+    let (config, digest) = domains::config()?;
+
+    let list = config.convert_to_typed_array("openid")?;
+
+    rpcenv["digest"] = proxmox::tools::digest_to_hex(&digest).into();
+
+    Ok(list)
+}
+
+#[api(
+    protected: true,
+    input: {
+        properties: {
+            config: {
+                type: OpenIdRealmConfig,
+                flatten: true,
+            },
+        },
+    },
+    access: {
+        permission: &Permission::Privilege(&["access", "domains"], PRIV_PERMISSIONS_MODIFY, false),
+    },
+)]
+/// Create a new OpenId realm
+pub fn create_openid_realm(config: OpenIdRealmConfig) -> Result<(), Error> {
+
+    let _lock = domains::lock_config()?;
+
+    let (mut domains, _digest) = domains::config()?;
+
+    if config.realm == "pbs" ||
+        config.realm == "pam" ||
+        domains.sections.get(&config.realm).is_some()
+    {
+        bail!("realm '{}' already exists.", config.realm);
+    }
+
+    domains.set_data(&config.realm, "openid", &config)?;
+
+    domains::save_config(&domains)?;
+
+    Ok(())
+}
+
+#[api(
+    protected: true,
+    input: {
+        properties: {
+            realm: {
+                schema: REALM_ID_SCHEMA,
+            },
+            digest: {
+                optional: true,
+                schema: PROXMOX_CONFIG_DIGEST_SCHEMA,
+            },
+        },
+    },
+    access: {
+        permission: &Permission::Privilege(&["access", "domains"], PRIV_PERMISSIONS_MODIFY, false),
+    },
+)]
+/// Remove a OpenID realm configuration
+pub fn delete_openid_realm(
+    realm: String,
+    digest: Option<String>,
+    _rpcenv: &mut dyn RpcEnvironment,
+) -> Result<(), Error> {
+
+    let _lock = domains::lock_config()?;
+
+    let (mut domains, expected_digest) = domains::config()?;
+
+    if let Some(ref digest) = digest {
+        let digest = proxmox::tools::hex_to_digest(digest)?;
+        crate::tools::detect_modified_configuration_file(&digest, &expected_digest)?;
+    }
+
+    if domains.sections.remove(&realm).is_none()  {
+        bail!("realm '{}' does not exist.", realm);
+    }
+
+    domains::save_config(&domains)?;
+
+    Ok(())
+}
+
+#[api(
+    input: {
+        properties: {
+            realm: {
+                schema: REALM_ID_SCHEMA,
+            },
+        },
+    },
+    returns:  { type: OpenIdRealmConfig },
+    access: {
+        permission: &Permission::Privilege(&["access", "domains"], PRIV_SYS_AUDIT, false),
+    },
+)]
+/// Read the OpenID realm configuration
+pub fn read_openid_realm(
+    realm: String,
+    mut rpcenv: &mut dyn RpcEnvironment,
+) -> Result<OpenIdRealmConfig, Error> {
+
+    let (domains, digest) = domains::config()?;
+
+    let config = domains.lookup("openid", &realm)?;
+
+    rpcenv["digest"] = proxmox::tools::digest_to_hex(&digest).into();
+
+    Ok(config)
+}
+
+#[api()]
+#[derive(Serialize, Deserialize)]
+#[serde(rename_all="kebab-case")]
+#[allow(non_camel_case_types)]
+/// Deletable property name
+pub enum DeletableProperty {
+    /// Delete the client key.
+    client_key,
+    /// Delete the comment property.
+    comment,
+}
+
+#[api(
+    protected: true,
+    input: {
+        properties: {
+            realm: {
+                schema: REALM_ID_SCHEMA,
+            },
+            "issuer-url": {
+                description: "OpenID Issuer Url",
+                type: String,
+                optional: true,
+            },
+            "client-id": {
+                description: "OpenID Client ID",
+                type: String,
+                optional: true,
+            },
+            "client-key": {
+                description: "OpenID Client Key",
+                type: String,
+                optional: true,
+            },
+            comment: {
+                schema: SINGLE_LINE_COMMENT_SCHEMA,
+                optional: true,
+            },
+            delete: {
+                description: "List of properties to delete.",
+                type: Array,
+                optional: true,
+                items: {
+                    type: DeletableProperty,
+                }
+            },
+            digest: {
+                optional: true,
+                schema: PROXMOX_CONFIG_DIGEST_SCHEMA,
+            },
+        },
+    },
+    returns:  { type: OpenIdRealmConfig },
+    access: {
+        permission: &Permission::Privilege(&["access", "domains"], PRIV_PERMISSIONS_MODIFY, false),
+    },
+)]
+/// Update an OpenID realm configuration
+pub fn update_openid_realm(
+    realm: String,
+    issuer_url: Option<String>,
+    client_id: Option<String>,
+    client_key: Option<String>,
+    comment: Option<String>,
+    delete: Option<Vec<DeletableProperty>>,
+    digest: Option<String>,
+    _rpcenv: &mut dyn RpcEnvironment,
+) -> Result<(), Error> {
+
+    let _lock = domains::lock_config()?;
+
+    let (mut domains, expected_digest) = domains::config()?;
+
+    if let Some(ref digest) = digest {
+        let digest = proxmox::tools::hex_to_digest(digest)?;
+        crate::tools::detect_modified_configuration_file(&digest, &expected_digest)?;
+    }
+
+    let mut config: OpenIdRealmConfig = domains.lookup("openid", &realm)?;
+
+    if let Some(delete) = delete {
+        for delete_prop in delete {
+            match delete_prop {
+                DeletableProperty::client_key => { config.client_key = None; },
+                DeletableProperty::comment => { config.comment = None; },
+            }
+        }
+    }
+
+    if let Some(comment) = comment {
+        let comment = comment.trim().to_string();
+        if comment.is_empty() {
+            config.comment = None;
+        } else {
+            config.comment = Some(comment);
+        }
+    }
+
+    if let Some(issuer_url) = issuer_url { config.issuer_url = issuer_url; }
+    if let Some(client_id) = client_id { config.client_id = client_id; }
+
+    if client_key.is_some() { config.client_key = client_key; }
+
+    domains.set_data(&realm, "openid", &config)?;
+
+    domains::save_config(&domains)?;
+
+    Ok(())
+}
+
+const ITEM_ROUTER: Router = Router::new()
+    .get(&API_METHOD_READ_OPENID_REALM)
+    .put(&API_METHOD_UPDATE_OPENID_REALM)
+    .delete(&API_METHOD_DELETE_OPENID_REALM);
+
+pub const ROUTER: Router = Router::new()
+    .get(&API_METHOD_LIST_OPENID_REALMS)
+    .post(&API_METHOD_CREATE_OPENID_REALM)
+    .match_all("id", &ITEM_ROUTER);
-- 
2.30.2