Architecture rework and matrix output

.gitignore

@@ -1,2 +1,4 @@
 /target
 **/*.rs.bk
+
+config.yaml

Cargo.toml

@@ -8,6 +8,7 @@ edition = "2018"
 libloading = "0.5.0"
 serde = { version = "1.0", features = ["derive"] }
 serde_yaml = "0.8"
+serde_json = "1.0"
 getopts = "0.2"
 blurz = "0.4.0"
 regex = "1"
@@ -15,3 +16,6 @@ chrono = "0.4"
 globset = "0.3"
 log = "0.4"
 simplelog = "0.5"
+reqwest = "0.9"
+percent-encoding = "1.0"
+rand = "0.6"

config.example.yaml

@@ -0,0 +1,67 @@
+monitors:
+  # - type: wifi_availability
+  #   config:
+  #     iface: lo
+  #     ssid: ""
+  #     essid: []
+  #     ping_targets: ["127.0.0.1"]
+  # - type: dummy_sender
+  #   config:
+  #     level: Issue
+  #     period: 15.0
+  - type: dummy_sender
+    config:
+      level: Critical
+      period: 10.0
+  # - type: dummy_sender
+  #   config:
+  #     level: Anomaly
+  #     period: 15.0
+  - type: dhcp_leases
+    config:
+      hello: world
+      path: /home/crom/GitProjects/rnetmon/leases.example.txt
+      mac_rules:
+        d4:c9:ef:50:aa:c8: # laptop eth0
+          - 'binding state free'
+          - 'uid "\001@\210\005\355`\205"'
+          - 'set vendor-class-identifier = "android-dhcp-7.1.2"'
+        # 3c:a9:f4:4c:a3:38: # laptop wlan0
+        a0:1b:29:7f:37:9e:
+          - uid "\001\240\033)\1777\236";
+          - set vendor-class-identifier = "udhcp 1.20.2";
+
+
+outputs:
+  - type: stdout
+  # - type: espeak
+  # - type: light_beewi_bbl227
+  #   filter:
+  #     include_types: ["*"]
+  #   config:
+  #     mac:
+  #       # ? "84:EB:18:7C:22:68" # Bedroom lightbulb
+  #       ? "84:EB:18:7C:1C:F7" # Testing lightbulb
+
+  #     msg_types:
+  #       "*":
+  #         animation: Smooth
+  #         repeat: 2
+  #         speed: 1.5
+  #         color: 0x808080
+  #       # wifi.intrusion.*:
+  #       #   color: 0xff0000
+  #       #   pattern: blink
+  #       #   duration: 5.0
+  #       #   speed: 1.0
+  #       # ping.*:
+  #       #   color: 0xff8000
+  #     levels:
+  #       Critical:
+  #         animation: Blink
+  #         color: 0xFF0000
+  #       Anomaly:
+  #         animation: Bounce
+  #         color: 0x00FF00
+
+

config.yaml

@@ -1,22 +0,0 @@
-monitors:
-  # - name: wifi_availability
-  #   config:
-  #     iface: lo
-  #     ssid: ""
-  #     essid: []
-  #     ping_targets: ["127.0.0.1"]
-  # - name: tester
-  - name: dhcp_leases
-    config:
-      path: /home/crom/GitProjects/rnetmon/leases.example.txt
-      mac_rules:
-        d4:c9:ef:50:aa:c8: # laptop eth0
-          - binding state free
-          - uid "\001@\210\005\355`\205"
-          - set vendor-class-identifier = "android-dhcp-7.1.2"
-        3c:a9:f4:4c:a3:38 # laptop wlan0
-
-
-outputs:
-  # - name: stdout
-  - name: espeak

src/filter.rs

@@ -2,8 +2,6 @@ use globset::{Glob, GlobMatcher};
 
 pub use std::collections::HashMap;
 
-use log::{info, trace, warn};
-
 use crate::message::*;
 
 #[derive(Debug)]
@@ -14,13 +12,8 @@ pub struct Filter {
 }
 
 impl Filter {
-    pub fn new(config: &HashMap<String, serde_yaml::Value>) -> Self {
+    pub fn new(config: &serde_yaml::Value) -> Self {
-        let filter_node = config
+        let include_types = match config.get("include_types") {
-            .get("filter")
-            .unwrap_or(&serde_yaml::Mapping::new().into())
-            .clone();
-
-        let include_types = match filter_node.get("include_types") {
             Some(v) => v
                 .as_sequence()
                 .expect("include_types must be a list of strings")
@@ -33,7 +26,7 @@ impl Filter {
                 .collect(),
             None => vec![],
         };
-        let exclude_types = match filter_node.get("exclude_types") {
+        let exclude_types = match config.get("exclude_types") {
             Some(v) => v
                 .as_sequence()
                 .expect("exclude_types must be a list of strings")
@@ -47,7 +40,7 @@ impl Filter {
             None => vec![],
         };
 
-        let level = match filter_node.get("level") {
+        let level = match config.get("level") {
             Some(l) => Level::try_from(l.as_str().expect("Level must be a string"))
                 .expect("Unknown level name"),
             None => Level::Notice,

src/main.rs

@@ -102,24 +102,30 @@ fn main() {
 
     // Instantiate monitor threads and structs
     let mut mon_threads = vec![];
-    for mon_config in config.monitors {
+    for mon_node in config.monitors {
-        let mon_type = mon_config
+        let mon_type = mon_node
             .get("type")
             .expect("Missing `type` key for monitor")
             .as_str()
             .expect("Key `type` for monitor is not a string")
             .to_owned();
+        let mon_config = mon_node
+            .get("config")
+            .unwrap_or(&serde_yaml::Mapping::new().into())
+            .clone();
 
         let snd = mon_sender.clone();
         let bar = barrier.clone();
 
         mon_threads.push(thread::spawn(move || {
             log::info!("+> monitor: {}", mon_type);
-            match monitors::factory(&mon_type, &mon_config) {
+            match monitors::factory(&mon_type, mon_config) {
-                Ok(mut mon) => loop {
+                Ok(mut mon) => {
                     bar.wait();
+                    loop {
                         mon.run(&snd);
-                },
+                    }
+                }
                 Err(e) => log::error!("Cannot instantiate monitor {}: {}", mon_type, e),
             }
         }));
@@ -128,30 +134,40 @@ fn main() {
     // Instantiate output threads and structs
     let mut output_senders: Vec<mpsc::Sender<Message>> = vec![];
     let mut output_threads = vec![];
-    for out_config in config.outputs {
+    for out_node in config.outputs {
-        let out_type = out_config
+        let out_type = out_node
             .get("type")
             .expect("Missing `type` key for output")
             .as_str()
             .expect("Key `type` for output is not a string")
             .to_owned();
+        let out_config = out_node
+            .get("config")
+            .unwrap_or(&serde_yaml::Mapping::new().into())
+            .clone();
+        let out_filter = out_node
+            .get("filter")
+            .unwrap_or(&serde_yaml::Mapping::new().into())
+            .clone();
 
         let (out_sender, out_receiver) = mpsc::channel();
         output_senders.push(out_sender);
 
-        let filter = Filter::new(&out_config);
+        let filter = Filter::new(&out_filter);
         let bar = barrier.clone();
 
         output_threads.push(thread::spawn(move || {
             log::info!("+> output: {}", out_type);
-            match outputs::factory(&out_type, &out_config) {
+            match outputs::factory(&out_type, out_config) {
-                Ok(mut output) => loop {
+                Ok(mut output) => {
                     bar.wait();
+                    loop {
                         let message = out_receiver.recv().unwrap();
                         if filter.is_message_allowed(&message) {
                             output.process_message(message);
                         }
-                },
+                    }
+                }
                 Err(e) => log::error!("Cannot instantiate output {}: {}", out_type, e),
             }
         }));

src/monitor.rs

@@ -4,7 +4,7 @@ pub use std::collections::HashMap;
 pub use std::sync::mpsc;
 
 pub trait Monitor {
-    fn new(config: &HashMap<String, serde_yaml::Value>) -> Result<Self, Box<dyn std::error::Error>>
+    fn new(config: serde_yaml::Value) -> Result<Self, Box<dyn std::error::Error>>
     where
         Self: Sized;
     fn run(&mut self, sender: &mpsc::Sender<Message>);

src/monitors/dhcp_leases.rs

@@ -5,7 +5,7 @@ use serde::Deserialize;
 extern crate regex;
 use regex::Regex;
 extern crate chrono;
-use chrono::{DateTime, Local};
+use chrono::Local;
 
 #[derive(Debug)]
 pub struct DHCPLeases {
@@ -21,17 +21,13 @@ struct DHCPLeasesConfig {
     path: String,
     #[serde(default)]
     mac_rules: HashMap<String, Option<Vec<String>>>,
+    #[serde(default)]
+    period: Option<f64>,
 }
 
 impl Monitor for DHCPLeases {
-    fn new(
+    fn new(config: serde_yaml::Value) -> Result<Self, Box<dyn std::error::Error>> {
-        config: &HashMap<String, serde_yaml::Value>,
+        let config = serde_yaml::from_value(config)?;
-    ) -> Result<Self, Box<dyn std::error::Error>> {
-        let config_node = config
-            .get("config")
-            .unwrap_or(&serde_yaml::Mapping::new().into())
-            .clone();
-        let config = serde_yaml::from_value(config_node)?;
 
         // Regex compilation
         let rgx_lease = Regex::new(r"(?s)lease\s+(\d+(?:\.\d+){3})\s*\{\n?(.*?)\}").unwrap();
@@ -67,19 +63,12 @@ impl Monitor for DHCPLeases {
         let mut unauthorized_macs: Vec<String> = vec![];
 
         for cap in self.rgx_lease.captures_iter(&config_content) {
-            let _ip = cap.get(1).unwrap().as_str();
+            let ip = cap.get(1).unwrap().as_str();
             let content = cap.get(2).unwrap().as_str();
 
-            let mac = self
+            if let Some(mac_cap) = self.rgx_mac.captures(content) {
-                .rgx_mac
+                let mac = mac_cap.get(1).unwrap().as_str();
-                .captures(content)
+
-                .expect(&format!(
-                    "No 'hardware ethernet' field found for MAC address in {}",
-                    content
-                ))
-                .get(1)
-                .unwrap()
-                .as_str();
                 let starts_str = self
                     .rgx_date_start
                     .captures(content)
@@ -97,11 +86,13 @@ impl Monitor for DHCPLeases {
                     .get(1)
                     .unwrap()
                     .as_str();
-            let ends = chrono::naive::NaiveDateTime::parse_from_str(ends_str, "%Y/%m/%d %H:%M:%S")
+                let ends =
+                    chrono::naive::NaiveDateTime::parse_from_str(ends_str, "%Y/%m/%d %H:%M:%S")
                         .expect(&format!("Bad date format: '{}'", ends_str));
 
-            let now = Local::now().naive_local();
+                let now = Local::now().naive_utc();
                 if starts <= now && now < ends {
+                    log::debug!("Found an active DHCP lease for {}", ip);
                     // Lease is active
                     if let Some(rules) = self.config.mac_rules.get(mac) {
                         // Found rules
@@ -115,10 +106,11 @@ impl Monitor for DHCPLeases {
                                         .send(Message {
                                             emitter: "dhcp_leases".to_owned(),
                                             level: Level::Issue,
-                                        msg_type: "dhcp_leases.unauthorized_mac.rule".to_owned(),
+                                            msg_type: "dhcp_leases.unauthorized_mac.rule"
+                                                .to_owned(),
                                             text: format!(
-                                            "Mismatching rule '{}' for device {}",
+                                                "Mismatching rule '{}' for device {} at IP {}",
-                                            rule, mac
+                                                rule, mac, ip
                                             ),
                                         })
                                         .unwrap();
@@ -134,11 +126,14 @@ impl Monitor for DHCPLeases {
                                 emitter: "dhcp_leases".to_owned(),
                                 level: Level::Issue,
                                 msg_type: "dhcp_leases.unauthorized_mac.unknown".to_owned(),
-                            text: format!("Unauthorized device on network: {}", mac),
+                                text: format!("Unknown device {} using IP {}", mac, ip),
                             })
                             .unwrap();
                     }
                 }
+            } else {
+                log::warn!("No 'hardware ethernet' field found for IP {}", ip);
+            }
         }
 
         if unauthorized_macs.len() > 0 {
@@ -146,7 +141,7 @@ impl Monitor for DHCPLeases {
                 .send(Message {
                     emitter: "dhcp_leases".to_owned(),
                     level: Level::Issue,
-                    msg_type: "dhcp_leases.unknown_mac".to_owned(),
+                    msg_type: "dhcp_leases.unknown_mac.sumup".to_owned(),
                     text: format!(
                         "The following macs are not allowed: {:?}",
                         unauthorized_macs
@@ -155,23 +150,9 @@ impl Monitor for DHCPLeases {
                 .unwrap();
         }
 
-        // let leases: Vec<(&str, &str)> = lease_rgx
+        std::thread::sleep(std::time::Duration::from_millis(
-        //     .captures_iter(&config_content)
+            (self.config.period.unwrap_or(60.0) * 1000.0) as u64,
-        //     .map(|c| (c.get(1).unwrap().as_str(), c.get(2).unwrap().as_str()))
+        ));
-        //     .collect();
-        // println!("{:?}", leases);
-        // let cap = lease_rgx.captures(config_content);
-
-        // sender
-        //     .send(Message {
-        //         emitter: "dhcp_leases".to_owned(),
-        //         level: 10,
-        //         msg_type: "string".to_owned(),
-        //         text: format!("frfr"),
-        //     })
-        //     .unwrap();
-
-        std::thread::sleep(std::time::Duration::from_millis(2000));
     }
 }
 

src/monitors/dummy_sender.rs

@@ -21,15 +21,9 @@ struct DummySenderConfig {
 }
 
 impl Monitor for DummySender {
-    fn new(
+    fn new(config: serde_yaml::Value) -> Result<Self, Box<dyn std::error::Error>> {
-        config: &HashMap<String, serde_yaml::Value>,
-    ) -> Result<Self, Box<dyn std::error::Error>> {
-        let config_node = config
-            .get("config")
-            .unwrap_or(&serde_yaml::Mapping::new().into())
-            .clone();
         let config: DummySenderConfig =
-            serde_yaml::from_value(config_node).expect("Invalid config for dummy_sender");
+            serde_yaml::from_value(config).expect("Invalid config for dummy_sender");
 
         Ok(DummySender {
             cnt: 0,

src/monitors/mod.rs

@@ -3,16 +3,15 @@ pub mod dummy_sender;
 pub mod wifi_availability;
 
 use crate::monitor::*;
-use std::collections::HashMap;
 
 pub fn factory(
     name: &str,
-    config: &HashMap<String, serde_yaml::Value>,
+    config: serde_yaml::Value,
 ) -> Result<Box<Monitor>, Box<dyn std::error::Error>> {
     match name {
-        "dummy_sender" => Ok(Box::new(dummy_sender::DummySender::new(&config)?)),
+        "dummy_sender" => Ok(Box::new(dummy_sender::DummySender::new(config)?)),
-        "wifi_availability" => Ok(Box::new(wifi_availability::WifiAvailability::new(&config)?)),
+        "wifi_availability" => Ok(Box::new(wifi_availability::WifiAvailability::new(config)?)),
-        "dhcp_leases" => Ok(Box::new(dhcp_leases::DHCPLeases::new(&config)?)),
+        "dhcp_leases" => Ok(Box::new(dhcp_leases::DHCPLeases::new(config)?)),
         _ => panic!("Unknown monitor name: {}", name),
     }
 }

src/monitors/nmap_scanner.rs

@@ -0,0 +1,180 @@
+pub use crate::message::*;
+pub use crate::monitor::*;
+use serde::Deserialize;
+
+extern crate regex;
+use regex::Regex;
+extern crate chrono;
+use chrono::Local;
+
+#[derive(Debug)]
+pub struct NmapScanner {
+    config: NmapScannerConfig,
+    rgx_lease: Regex,
+    rgx_mac: Regex,
+    rgx_date_start: Regex,
+    rgx_date_ends: Regex,
+}
+#[derive(Debug, PartialEq, Deserialize)]
+struct NmapScannerConfig {
+    #[serde(default)]
+    args: Vec<String>,
+    #[serde(default)]
+    ip_range: Option<String>,
+}
+
+impl Monitor for NmapScanner {
+    fn new(
+        config: serde_yaml::Value,
+    ) -> Result<Self, Box<dyn std::error::Error>> {
+        let mut config = serde_yaml::from_value(config)?;
+
+        if config.ip_range.is_none() {
+        	// Detect current subnet
+
+        	config.ip_range = Some("192.168.0.1-254");
+        }
+
+        // Regex compilation
+        let rgx_lease = Regex::new(r"(?s)lease\s+(\d+(?:\.\d+){3})\s*\{\n?(.*?)\}").unwrap();
+        let rgx_mac =
+            Regex::new(r"(?m)^\s*hardware\s+ethernet\s([a-f0-9]{2}(?::[a-f0-9]{2}){5})\s*;")
+                .unwrap();
+        let rgx_date_start = Regex::new(r"(?m)^\s*starts\s+\d+\s+(.*?)\s*;").unwrap();
+        let rgx_date_ends = Regex::new(r"(?m)^\s*ends\s+\d+\s+(.*?)\s*;").unwrap();
+
+        Ok(NmapScanner {
+            config: config,
+            rgx_lease: rgx_lease,
+            rgx_mac: rgx_mac,
+            rgx_date_start: rgx_date_start,
+            rgx_date_ends: rgx_date_ends,
+        })
+    }
+    fn run(&mut self, sender: &mpsc::Sender<Message>) {
+
+    	nmap -sV -T4 -O -F --version-light 192.168.0.1-254
+
+
+
+        use std::fs::File;
+        use std::io::prelude::*;
+
+        let config_file_path = match self.config.path.len() {
+            0 => "/var/lib/dhcp/dhcpd.leases",
+            _ => &self.config.path,
+        };
+        let mut config_file =
+            File::open(config_file_path).expect("Could not open DHCP leases file");
+        let mut config_content = String::new();
+        config_file
+            .read_to_string(&mut config_content)
+            .expect("Could not read DHCP leases file");
+
+        let mut unauthorized_macs: Vec<String> = vec![];
+
+        for cap in self.rgx_lease.captures_iter(&config_content) {
+            let ip = cap.get(1).unwrap().as_str();
+            let content = cap.get(2).unwrap().as_str();
+
+            if let Some(mac_cap) = self.rgx_mac.captures(content) {
+                let mac = mac_cap.get(1).unwrap().as_str();
+
+                let starts_str = self
+                    .rgx_date_start
+                    .captures(content)
+                    .expect("No 'starts' field found in lease")
+                    .get(1)
+                    .unwrap()
+                    .as_str();
+                let starts =
+                    chrono::naive::NaiveDateTime::parse_from_str(starts_str, "%Y/%m/%d %H:%M:%S")
+                        .expect(&format!("Bad date format: '{}'", starts_str));
+                let ends_str = self
+                    .rgx_date_ends
+                    .captures(content)
+                    .expect("No 'ends' field found in lease")
+                    .get(1)
+                    .unwrap()
+                    .as_str();
+                let ends =
+                    chrono::naive::NaiveDateTime::parse_from_str(ends_str, "%Y/%m/%d %H:%M:%S")
+                        .expect(&format!("Bad date format: '{}'", ends_str));
+
+                let now = Local::now().naive_utc();
+                if starts <= now && now < ends {
+                    log::debug!("Found an active DHCP lease for {}", ip);
+                    // Lease is active
+                    if let Some(rules) = self.config.mac_rules.get(mac) {
+                        // Found rules
+                        if let Some(rules_list) = rules {
+                            // Rules contains one or more entries
+                            for rule in rules_list {
+                                if content.find(rule).is_none() {
+                                    unauthorized_macs.push(mac.to_owned());
+
+                                    sender
+                                        .send(Message {
+                                            emitter: "dhcp_leases".to_owned(),
+                                            level: Level::Issue,
+                                            msg_type: "dhcp_leases.unauthorized_mac.rule"
+                                                .to_owned(),
+                                            text: format!(
+                                                "Mismatching rule '{}' for device {} at IP {}",
+                                                rule, mac, ip
+                                            ),
+                                        })
+                                        .unwrap();
+                                    break;
+                                }
+                            }
+                        }
+                    } else {
+                        unauthorized_macs.push(mac.to_owned());
+
+                        sender
+                            .send(Message {
+                                emitter: "dhcp_leases".to_owned(),
+                                level: Level::Issue,
+                                msg_type: "dhcp_leases.unauthorized_mac.unknown".to_owned(),
+                                text: format!("Unknown device {} using IP {}", mac, ip),
+                            })
+                            .unwrap();
+                    }
+                }
+            } else {
+                log::warn!("No 'hardware ethernet' field found for IP {}", ip);
+            }
+        }
+
+        if unauthorized_macs.len() > 0 {
+            sender
+                .send(Message {
+                    emitter: "dhcp_leases".to_owned(),
+                    level: Level::Issue,
+                    msg_type: "dhcp_leases.unknown_mac.sumup".to_owned(),
+                    text: format!(
+                        "The following macs are not allowed: {:?}",
+                        unauthorized_macs
+                    ),
+                })
+                .unwrap();
+        }
+
+        std::thread::sleep(std::time::Duration::from_millis(
+            (self.config.period.unwrap_or(60.0) * 1000.0) as u64,
+        ));
+    }
+}
+
+/*
+
+lease 192.168.0.26 {
+  starts 4 2018/08/16 22:31:22;
+  ends 4 2018/08/16 23:01:22;
+  tstp 4 2018/08/16 23:01:22;
+  cltt 4 2018/08/16 22:31:22;
+  binding state free;
+  hardware ethernet 84:4b:f5:16:f4:94;
+}
+*/

src/monitors/wifi_availability.rs

@@ -17,15 +17,8 @@ struct WifiAvailabilityConfig {
 }
 
 impl Monitor for WifiAvailability {
-    fn new(
+    fn new(config: serde_yaml::Value) -> Result<Self, Box<dyn std::error::Error>> {
-        config: &HashMap<String, serde_yaml::Value>,
+        let config = serde_yaml::from_value(config).expect("Invalid config for wifi_availability");
-    ) -> Result<Self, Box<dyn std::error::Error>> {
-        let config_node = config
-            .get("config")
-            .unwrap_or(&serde_yaml::Mapping::new().into())
-            .clone();
-        let config =
-            serde_yaml::from_value(config_node).expect("Invalid config for wifi_availability");
 
         let wa = WifiAvailability { config: config };
         // Activate iface

src/output.rs

@@ -3,7 +3,7 @@ pub use std::collections::HashMap;
 use crate::message::*;
 
 pub trait Output {
-    fn new(config: &HashMap<String, serde_yaml::Value>) -> Result<Self, Box<dyn std::error::Error>>
+    fn new(config: serde_yaml::Value) -> Result<Self, Box<dyn std::error::Error>>
     where
         Self: Sized;
     fn process_message(&mut self, message: Message);

src/outputs/espeak.rs

@@ -15,14 +15,8 @@ struct EspeakConfig {
 }
 
 impl Output for Espeak {
-    fn new(
+    fn new(config: serde_yaml::Value) -> Result<Self, Box<dyn std::error::Error>> {
-        config: &HashMap<String, serde_yaml::Value>,
+        let cfg = serde_yaml::from_value(config).expect("Invalid config for Espeak");
-    ) -> Result<Self, Box<dyn std::error::Error>> {
-        let node = config
-            .get("config")
-            .unwrap_or(&serde_yaml::Value::Null)
-            .clone();
-        let cfg = serde_yaml::from_value(node).expect("Invalid config for Espeak");
 
         Ok(Espeak { config: cfg })
     }

src/outputs/light_beewi_bbl227.rs

@@ -99,14 +99,8 @@ impl BluetoothLightbulb {
 }
 
 impl Output for BluetoothLightbulb {
-    fn new(
+    fn new(config: serde_yaml::Value) -> Result<Self, Box<dyn std::error::Error>> {
-        config: &HashMap<String, serde_yaml::Value>,
+        let config: BluetoothLightbulbConfig = serde_yaml::from_value(config)?;
-    ) -> Result<Self, Box<dyn std::error::Error>> {
-        let config_node = config
-            .get("config")
-            .unwrap_or(&serde_yaml::Mapping::new().into())
-            .clone();
-        let config: BluetoothLightbulbConfig = serde_yaml::from_value(config_node)?;
 
         let msg_types = config
             .msg_types
@@ -244,7 +238,7 @@ impl Output for BluetoothLightbulb {
         let speed = cfg.speed.unwrap();
 
         // Play animation
-        log::debug!("Playing {:?} {:?}", anim, color);
+        log::debug!("Playing {:?} {:X}", anim, color);
 
         for _ in 0..cfg.repeat.unwrap() {
             match anim {

src/outputs/matrix.rs

@@ -0,0 +1,132 @@
+extern crate rand;
+
+use crate::message::*;
+pub use crate::output::*;
+use serde::Deserialize;
+
+use percent_encoding::{utf8_percent_encode, DEFAULT_ENCODE_SET};
+use rand::distributions::Alphanumeric;
+use rand::Rng;
+use reqwest::header;
+use reqwest::{Client, Url};
+
+#[derive(Debug)]
+struct MatrixClient {
+    http_client: Client,
+    homeserver_uri: String,
+    token: String,
+}
+impl MatrixClient {
+    fn new(homeserver_uri: &str, token: &str) -> Self {
+        Self {
+            http_client: Client::new(),
+            homeserver_uri: homeserver_uri.to_owned(),
+            token: token.to_owned(),
+        }
+    }
+
+    // fn get(
+    //     &self,
+    //     path: &str,
+    //     params: &HashMap<&str, String>,
+    // ) -> Result<reqwest::Response, reqwest::Error> {
+    //     let mut path = self.homeserver_uri.clone() + path;
+
+    //     let mut first = true;
+    //     for (k, v) in params {
+    //         path += &format!(
+    //             "{}{}={}",
+    //             if first { "?" } else { "&" },
+    //             utf8_percent_encode(k.as_ref(), DEFAULT_ENCODE_SET),
+    //             utf8_percent_encode(v.as_ref(), DEFAULT_ENCODE_SET)
+    //         );
+    //         first = false;
+    //     }
+
+    //     self.http_client
+    //         .get(Url::parse(&path).unwrap())
+    //         .header(header::AUTHORIZATION, format!("Bearer {}", self.token))
+    //         .send()
+    // }
+    fn put(&self, path: &str, body: String) -> reqwest::Response {
+        let path = self.homeserver_uri.clone() + path;
+
+        self.http_client
+            .put(Url::parse(&path).expect(&format!("Invalid path: {}", path)))
+            .header(header::AUTHORIZATION, format!("Bearer {}", self.token))
+            .header(header::CONTENT_TYPE, "application/json")
+            .body(body)
+            .send()
+            .unwrap()
+    }
+}
+
+#[derive(Debug)]
+pub struct Matrix {
+    client: MatrixClient,
+    config: MatrixConfig,
+}
+
+#[derive(Debug, Deserialize)]
+struct MatrixConfig {
+    homeserver_url: String,
+    token: String,
+    room_id: String,
+}
+
+impl Output for Matrix {
+    fn new(config: serde_yaml::Value) -> Result<Self, Box<dyn std::error::Error>> {
+        let config: MatrixConfig = serde_yaml::from_value(config)?;
+
+        Ok(Matrix {
+            client: MatrixClient::new(&config.homeserver_url, &config.token),
+            config: config,
+        })
+    }
+    fn process_message(&mut self, message: Message) {
+        use serde_json::json;
+
+        let msg_type = match message.level {
+            Level::Debug | Level::Notice => "m.notice",
+            _ => "m.text",
+        };
+
+        let decorator = match message.level {
+            Level::Debug | Level::Notice => ("", ""),
+            Level::Anomaly => ("<font color=\"#FFFF00\">", "</font>"),
+            Level::Issue => ("<font color=\"#FF0000\">", "</font>"),
+            Level::Critical => ("<strong><font color=\"#FF0000\">", "</font></strong>"),
+        };
+
+        let text = match message.level {
+            Level::Critical => format!("@room {}", message.text),
+            _ => message.text,
+        };
+
+        let body = json!({
+            "body": format!("[{}->{}]: {}", message.emitter, message.msg_type, text),
+            "formatted_body": format!("[{}->{}]: {}{}{}", message.emitter, message.msg_type, decorator.0, text, decorator.1),
+            "msgtype": msg_type,
+            "format": "org.matrix.custom.html",
+        })
+        .to_string();
+
+        let mut res = self.client.put(
+            &format!(
+                "/_matrix/client/r0/rooms/{}/send/m.room.message/{}",
+                utf8_percent_encode(&self.config.room_id, DEFAULT_ENCODE_SET),
+                utf8_percent_encode(
+                    &rand::thread_rng()
+                        .sample_iter(&Alphanumeric)
+                        .take(32)
+                        .collect::<String>(),
+                    DEFAULT_ENCODE_SET
+                ),
+            ),
+            body,
+        );
+        if res.status().as_u16() != 200 {
+            log::warn!("Could not send Matrix message: {}", res.text().unwrap());
+        }
+    }
+}

src/outputs/mod.rs

@@ -1,19 +1,20 @@
 pub mod espeak;
 pub mod light_beewi_bbl227;
+pub mod matrix;
 pub mod stdout;
 
 use crate::output::*;
-use std::collections::HashMap;
 
 pub fn factory(
     name: &str,
-    config: &HashMap<String, serde_yaml::Value>,
+    config: serde_yaml::Value,
 ) -> Result<Box<Output>, Box<dyn std::error::Error>> {
     match name {
-        "stdout" => Ok(Box::new(stdout::Stdout::new(&config)?)),
+        "stdout" => Ok(Box::new(stdout::Stdout::new(config)?)),
-        "espeak" => Ok(Box::new(espeak::Espeak::new(&config)?)),
+        "espeak" => Ok(Box::new(espeak::Espeak::new(config)?)),
+        "matrix" => Ok(Box::new(matrix::Matrix::new(config)?)),
         "light_beewi_bbl227" => Ok(Box::new(light_beewi_bbl227::BluetoothLightbulb::new(
-            &config,
+            config,
         )?)),
         _ => panic!("Unknown monitor name: {}", name),
     }

src/outputs/stdout.rs

@@ -5,9 +5,7 @@ pub use crate::output::*;
 pub struct Stdout {}
 
 impl Output for Stdout {
-    fn new(
+    fn new(_config: serde_yaml::Value) -> Result<Self, Box<dyn std::error::Error>> {
-        _config: &HashMap<String, serde_yaml::Value>,
-    ) -> Result<Self, Box<dyn std::error::Error>> {
         Ok(Stdout {})
     }
     fn process_message(&mut self, message: Message) {