From: Greg Burri <greg.burri@gmail.com>
Date: Mon, 1 Mar 2021 09:50:07 +0000 (+0100)
Subject: Implementation of 'get_real_ip'.
X-Git-Url: http://git.euphorik.ch/index.cgi?a=commitdiff_plain;h=4d545d80471a5c59f21c3b530a40274b2760c9be;p=gandi_dns_update.git

Implementation of 'get_real_ip'.
---

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+ "futures-core",
+ "futures-util",
+ "http",
+ "http-body",
+ "hyper",
+ "hyper-tls",
+ "ipnet",
+ "js-sys",
+ "lazy_static",
+ "log",
+ "mime",
+ "native-tls",
+ "percent-encoding",
+ "pin-project-lite",
+ "serde",
+ "serde_json",
+ "serde_urlencoded",
+ "tokio",
+ "tokio-native-tls",
+ "url",
+ "wasm-bindgen",
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+ "web-sys",
+ "winreg",
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+]
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+ "bumpalo",
+ "lazy_static",
+ "log",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-shared",
+]
+
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+ "cfg-if",
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+ "quote",
+ "wasm-bindgen-macro-support",
+]
+
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+ "js-sys",
+ "wasm-bindgen",
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+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
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+name = "winapi-i686-pc-windows-gnu"
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+
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+name = "winreg"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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+dependencies = [
+ "winapi",
+]
diff --git a/Cargo.toml b/Cargo.toml
index 4676ae7..6c4adc7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,3 +7,12 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+reqwest = { version = "0.11", features = ["blocking", "json"] }
+itertools = "0.10"
+serde = { version = "1.0", features = ["derive"] }
+ron = "0.6" # Rust object notation, to load configuration files.
+
+[profile.release]
+codegen-units = 1
+lto = true
+panic = 'abort'
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
index 1509a25..84306f6 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,13 +1,118 @@
-// API Reference: https://api.gandi.net/docs/livedns/
-// Some inspiration: https://github.com/rmarchant/gandi-ddns/blob/master/gandi_ddns.py
+/*
+ * API Reference: https://api.gandi.net/docs/livedns/
+ * Some inspiration: https://github.com/rmarchant/gandi-ddns/blob/master/gandi_ddns.py
+ */
 
+use std::{ thread, time, fs::File, net::{ IpAddr, Ipv4Addr } };
+use ron::{ de::from_reader, ser::to_writer };
+use serde::{ Deserialize, Serialize };
 
-fn main() {
-    println!("Hello, world!");
+type Result<T> = std::result::Result<T, Box<dyn std::error::Error>>;
+
+#[derive(Debug)]
+struct GetRealIpError;
+
+impl std::fmt::Display for GetRealIpError {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "SuperErrorSideKick is here!")
+    }
+}
+
+impl std::error::Error for GetRealIpError {}
+
+#[derive(Debug, Deserialize, Serialize)]
+struct Config {
+    delay_between_check: time::Duration,
+    api_key: String,
+}
+
+impl Config {
+    fn default() -> Self {
+        Config { delay_between_check: time::Duration::from_secs(60), api_key: String::from("") }
+    }
+
+    fn read(file_path: &str) -> Result<Config> {
+        match File::open(file_path) {
+            Ok(file) => from_reader(file).map_err(|e| e.into()),
+            // The file doesn't exit -> create it with default values.
+            Err(_) => {
+                let file = File::create(file_path)?;
+                let default_config = Config::default();
+                to_writer(file, &default_config)?;
+                Ok(default_config)
+            }
+        }
+    }
 }
 
-fn get_real_ip() {
+const FILE_CONF: &str = "config.ron";
+
+fn main() -> Result<()> {
+    println!("GANDI DynDNS");
+
+    let config = Config::read(FILE_CONF)?;
+
+    println!("Configuration: {:?}", config);
+
+    loop {
+        let time_beginning_loop = time::Instant::now();
+
+        check_and_update_dns(&config.api_key);
+
+        let elapsed = time::Instant::now() - time_beginning_loop;
+
+        if elapsed < config.delay_between_check {
+            let to_wait = config.delay_between_check - elapsed;
+            thread::sleep(to_wait);
+        }
+
+    }
+}
+
+fn check_and_update_dns(api_key: &str) {
+    /*
+    let url = "https://api.gandi.net/v5/livedns/domains";
+    let client = reqwest::blocking::Client::new();
+
+    match client.get(url).header("Authorization", format!("Apikey {}", api_key)).send() {
+        Ok(resp) =>
+            if resp.status().is_success() {
+                let content = resp.text().unwrap();
+                println!("Content:\n{:?}", content);
+            } else {
+                println!("Request unsuccessful:\n{:#?}", resp);
+            },
+        Err(error) =>
+            println!("Error during request: {:?}", error)
+    }
+    */
+    dbg!(get_real_ip());
+}
+
+fn get_real_ip() -> Result<Ipv4Addr> {
+
+    let url = "https://api.ipify.org";
+    let client = reqwest::blocking::Client::new();
+
+    match client.get(url).send() {
+        Ok(resp) =>
+            if resp.status().is_success() {
+                let content = resp.text().unwrap();
+                match content.parse::<IpAddr>() {
+                    Ok(IpAddr::V4(ip_v4)) => Ok(ip_v4),
+                    /*Err(_)*/ _ => Err(Box::new(GetRealIpError))
+                }
+                //println!("Content:\n{:?}", content);
+            } else {
+                println!("Request unsuccessful:\n{:#?}", resp);
+                Err(Box::new(GetRealIpError))
+            },
 
+        Err(error) => {
+            println!("Error during request: {:?}", error);
+            Err(Box::new(GetRealIpError))
+        }
+    }
 }
 
 fn get_current_record_ip() {