From d966061f54e976f8c5791e302bc6f81cc2efe250 Mon Sep 17 00:00:00 2001
From: Dietmar Maurer <dietmar@proxmox.com>
Date: Tue, 18 Jun 2019 10:22:11 +0200
Subject: [PATCH] src/serde.rs: add serde helpers

---
 proxmox-tools/Cargo.toml   |  3 +++
 proxmox-tools/src/lib.rs   |  1 +
 proxmox-tools/src/serde.rs | 51 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 55 insertions(+)
 create mode 100644 proxmox-tools/src/serde.rs

diff --git a/proxmox-tools/Cargo.toml b/proxmox-tools/Cargo.toml
index b8ea6530..c9ee4a93 100644
--- a/proxmox-tools/Cargo.toml
+++ b/proxmox-tools/Cargo.toml
@@ -12,6 +12,9 @@ endian_trait = { version = "0.6", features = ["arrays"] }
 libc = "0.2"
 valgrind_request = { version = "1.1.0", optional = true }
 failure = "0.1"
+serde = { version = "1.0", features = ["derive"] }
+base64 = "0.10"
+chrono = "0.4"
 
 [features]
 default = [ "valgrind" ]
diff --git a/proxmox-tools/src/lib.rs b/proxmox-tools/src/lib.rs
index 0d6695bf..830aa765 100644
--- a/proxmox-tools/src/lib.rs
+++ b/proxmox-tools/src/lib.rs
@@ -4,6 +4,7 @@ use failure::*;
 
 pub mod io;
 pub mod vec;
+pub mod serde;
 
 /// Evaluates to the offset (in bytes) of a given member within a struct
 #[macro_export]
diff --git a/proxmox-tools/src/serde.rs b/proxmox-tools/src/serde.rs
new file mode 100644
index 00000000..26bf618b
--- /dev/null
+++ b/proxmox-tools/src/serde.rs
@@ -0,0 +1,51 @@
+//! Serialization helpers for serde
+
+/// Sertialize DateTime<Local> as RFC3339
+pub mod date_time_as_rfc3339 {
+
+    use chrono::{Local, DateTime};
+    use serde::{Serializer, Deserializer, Deserialize};
+
+    pub fn serialize<S>(time: &DateTime<Local>, serializer: S) -> Result<S::Ok, S::Error>
+        where S: Serializer,
+    {
+        serializer.serialize_str(&time.to_rfc3339())
+    }
+
+    pub fn deserialize<'de, D>(deserializer: D) -> Result<DateTime<Local>, D::Error>
+        where D: Deserializer<'de>
+    {
+        use serde::de::Error;
+        String::deserialize(deserializer)
+            .and_then(|string| {
+                string.parse::<DateTime<Local>>()
+                    .map_err(|err| Error::custom(err.to_string()))
+            })
+    }
+}
+
+
+/// Serialize Vec<u8> as base64 encoded string.
+pub mod bytes_as_base64 {
+
+    use base64;
+    use serde::{Serializer,Deserializer, Deserialize};
+
+    pub fn serialize<S, T>(data: &T, serializer: S) -> Result<S::Ok, S::Error>
+        where T: AsRef<[u8]>,
+              S: Serializer,
+    {
+        serializer.serialize_str(&base64::encode(data.as_ref()))
+    }
+
+    pub fn deserialize<'de, D>(deserializer: D) -> Result<Vec<u8>, D::Error>
+        where D: Deserializer<'de>
+    {
+        use serde::de::Error;
+        String::deserialize(deserializer)
+            .and_then(|string| {
+                base64::decode(&string)
+                    .map_err(|err| Error::custom(err.to_string()))
+            })
+    }
+}