More construction of things

1 files changed, 61 insertions, 0 deletions

diff --git a/src/login/static_provider.rs b/src/login/static_provider.rs
new file mode 100644
index 0000000..037948a
--- /dev/null
+++ b/src/login/static_provider.rs
@@ -0,0 +1,61 @@
+use std::collections::HashMap;
+
+use anyhow::{anyhow, bail, Result};
+use async_trait::async_trait;
+use rusoto_signature::Region;
+
+use crate::config::*;
+use crate::cryptoblob::Key;
+use crate::login::*;
+
+pub struct StaticLoginProvider {
+    default_bucket: Option<String>,
+    users: HashMap<String, LoginStaticUser>,
+    k2v_region: Region,
+}
+
+impl StaticLoginProvider {
+    pub fn new(config: LoginStaticConfig, k2v_region: Region) -> Result<Self> {
+        Ok(Self {
+            default_bucket: config.default_bucket,
+            users: config.users,
+            k2v_region,
+        })
+    }
+}
+
+#[async_trait]
+impl LoginProvider for StaticLoginProvider {
+    async fn login(&self, username: &str, password: &str) -> Result<Credentials> {
+        match self.users.get(username) {
+            None => bail!("User {} does not exist", username),
+            Some(u) => {
+                if u.password != password {
+                    // TODO cryptographic password compare
+                    bail!("Wrong password");
+                }
+                let bucket = u
+                    .bucket
+                    .clone()
+                    .or_else(|| self.default_bucket.clone())
+                    .ok_or(anyhow!(
+                        "No bucket configured and no default bucket specieid"
+                    ))?;
+
+                // TODO if master key is not specified, retrieve it from K2V key storage
+                let master_key_str = u.master_key.as_ref().ok_or(anyhow!(
+                    "Master key must be specified in config file for now, this will change"
+                ))?;
+                let master_key = Key::from_slice(&base64::decode(master_key_str)?)
+                    .ok_or(anyhow!("Invalid master key"))?;
+
+                Ok(Credentials {
+                    aws_access_key_id: u.aws_access_key_id.clone(),
+                    aws_secret_access_key: u.aws_secret_access_key.clone(),
+                    bucket,
+                    master_key,
+                })
+            }
+        }
+    }
+}