systemprompt-models 0.2.1

Foundation data models for systemprompt.io AI governance infrastructure. Shared DTOs, config, and domain types consumed by every layer of the MCP governance pipeline.
Documentation 
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use serde::{Deserialize, Serialize};
use std::collections::HashMap;
use std::path::{Path, PathBuf};

use crate::ai::ToolModelConfig;
use crate::auth::{AuthenticatedUser, Permission};
use crate::mcp::deployment::McpServerType;

pub const RUNNING: &str = "running";
pub const ERROR: &str = "error";
pub const STOPPED: &str = "stopped";
pub const STARTING: &str = "starting";

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct McpServerConfig {
    pub name: String,
    pub server_type: McpServerType,
    pub binary: String,
    pub enabled: bool,
    pub display_in_web: bool,
    pub port: u16,
    #[serde(
        serialize_with = "serialize_path",
        deserialize_with = "deserialize_path"
    )]
    pub crate_path: PathBuf,
    pub display_name: String,
    pub description: String,
    pub capabilities: Vec<String>,
    #[serde(default)]
    pub schemas: Vec<super::deployment::SchemaDefinition>,
    pub oauth: super::deployment::OAuthRequirement,
    #[serde(default)]
    pub tools: HashMap<String, super::deployment::ToolMetadata>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub model_config: Option<ToolModelConfig>,
    #[serde(default)]
    pub env_vars: Vec<String>,
    pub version: String,
    pub host: String,
    pub module_name: String,
    pub protocol: String,
    #[serde(default)]
    pub remote_endpoint: String,
}

fn serialize_path<S>(path: &Path, serializer: S) -> Result<S::Ok, S::Error>
where
    S: serde::Serializer,
{
    path.to_string_lossy().serialize(serializer)
}

fn deserialize_path<'de, D>(deserializer: D) -> Result<PathBuf, D::Error>
where
    D: serde::Deserializer<'de>,
{
    let s = String::deserialize(deserializer)?;
    Ok(PathBuf::from(s))
}

impl McpServerConfig {
    pub fn endpoint(&self, api_server_url: &str) -> String {
        format!("{}/api/v1/mcp/{}/mcp", api_server_url, self.name)
    }

    pub const fn is_internal(&self) -> bool {
        matches!(self.server_type, McpServerType::Internal)
    }

    pub const fn is_external(&self) -> bool {
        matches!(self.server_type, McpServerType::External)
    }
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum McpAuthState {
    Authenticated(AuthenticatedUser),
    Anonymous,
}

impl McpAuthState {
    pub const fn is_authenticated(&self) -> bool {
        matches!(self, Self::Authenticated(_))
    }

    pub const fn is_anonymous(&self) -> bool {
        matches!(self, Self::Anonymous)
    }

    pub const fn user(&self) -> Option<&AuthenticatedUser> {
        match self {
            Self::Authenticated(user) => Some(user),
            Self::Anonymous => None,
        }
    }

    pub fn has_permission(&self, permission: Permission) -> bool {
        match self {
            Self::Authenticated(user) => user.has_permission(permission),
            Self::Anonymous => permission == Permission::Anonymous,
        }
    }

    pub fn username(&self) -> String {
        match self {
            Self::Authenticated(user) => user.username.clone(),
            Self::Anonymous => "anonymous".to_string(),
        }
    }
}