Bump golang.org/x/net from 0.2.0 to 0.7.0

.gitignore

@@ -1,3 +1,5 @@
+variables.env
+
 # Binaries for programs and plugins
 *.exe
 *.exe~
@@ -14,4 +16,5 @@
 # frontend crap
 frontend/my-app/node_modules
 frontend/my-app/package-lock.json
-frontend/my-app/package.json
+frontend/my-app/package.json
+.DS_Store

.goreleaser.yml

@@ -1,4 +1,6 @@
-# .goreleaser.yml
+archives:
+- files:
+  - variables.env
 builds:
   - goos:
       - darwin

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "C_Cpp.errorSquiggles": "disabled"
+}

ESP32/MachineManager/MachineManager.ino

@@ -0,0 +1,184 @@
+#include <ArduinoJson.h>
+#include <Keypad.h>
+#include <LiquidCrystal.h>
+#include <WiFi.h>
+#include <HTTPClient.h>
+//HTTP vars
+const char* ssid = "Metro";
+const char* password = "nosoup4u";
+
+const String machineID = "machine1";
+const String path = "http://10.124.5.254:8080/auth";
+const String signout = "http://10.124.5.254:8080/signout";
+bool signedIn = false;
+String curr_name = "";
+
+//Keypad vars
+const int ROW_NUM = 4; //four rows
+const int COLUMN_NUM = 4; //four columns
+
+char keys[ROW_NUM][COLUMN_NUM] = {
+  {'1','2','3', 'A'},
+  {'4','5','6', 'B'},
+  {'7','8','9', 'C'},
+  {'*','0','#', 'D'}
+};
+
+byte pin_rows[ROW_NUM] = {17, 5, 18, 19}; //connect to the row pinouts of the keypad {R1, R2, R3, R4}
+byte pin_column[COLUMN_NUM] = {15, 2, 4, 16}; //connect to the column pinouts of the keypad {C1, C2, C3, C4}
+
+Keypad keypad = Keypad( makeKeymap(keys), pin_rows, pin_column, ROW_NUM, COLUMN_NUM);
+
+//LCD vars
+const int rs = 33, en = 25, d4 = 26, d5 = 27, d6 = 14, d7 = 32;
+LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
+
+//LED vars
+const int led  =  21; 
+
+//Pass vars
+String pass = "";
+
+void setup(){
+  //activate
+  Serial.begin(9600);
+  WiFi.begin(ssid, password);
+  lcd.begin(16, 2);
+  pinMode(led,OUTPUT); 
+
+  //setup wifi
+  lcd.print("Connecting");
+  while(WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    lcd.print(".");
+  }
+  lcd.clear();
+  lcd.print("Connected");
+  delay(1000);
+
+  //init state
+  lcd.clear();
+  lcd.print("Welcome!");
+  digitalWrite(led,LOW);
+}
+
+void loop(){
+  //handle keypress
+  char key = keypad.getKey();
+  if (key){
+    //# -> sign out
+    if (signedIn){
+      if (key=='#') {
+        if (machineSignout()) {
+          digitalWrite(led, LOW);
+          lcd.clear();
+          lcd.print("Signed Out");
+          signedIn = !signedIn;
+        }
+      }
+    }
+    else {
+      //D -> cut pass
+      if (key=='D') {
+        pass.remove(pass.length()-1);
+        //display
+        lcd.clear();
+        lcd.print(pass);
+      }
+      //* -> submit pass
+      else if (key=='*') {
+        lcd.clear();
+        //make request
+        boolean res = validate(pass);
+        // correct pass
+        if (res) {
+          lcd.clear();
+          String message = "Hello ";
+          message.concat(curr_name);
+          lcd.print(message);
+          digitalWrite(led,HIGH);
+          signedIn = true;
+        }
+        //wrong pass
+        else lcd.print("Denied Access");
+        pass="";
+      }
+      //else -> add char to pass
+      else {
+        pass.concat(key);
+        //display
+        lcd.clear();
+        lcd.print(pass);
+        Serial.println(pass);
+      }
+    }
+  }
+}
+
+boolean validate(String pass){
+  //connected 
+  if(WiFi.status() == WL_CONNECTED){
+    //confirmation
+    lcd.clear();
+    lcd.print("Sending pin");
+    //send post request
+    WiFiClient client;
+    HTTPClient http;
+    http.begin(client, path);
+    http.addHeader("Content-Type", "application/json");
+    int httpResponseCode = http.POST("{\"code\":\"" + pass + "\",\"machineID\":\"" + machineID+"\"}");
+    //valid request
+    String response = http.getString();
+    DynamicJsonDocument response_data(1024);
+    deserializeJson(response_data, response);
+    bool auth = response_data["authorized"];
+
+    if (auth) {
+      String temp_name = response_data["name"];
+      curr_name = temp_name;
+      http.end();
+      pass = "";
+      return true;
+    }
+    else {
+      lcd.clear();
+      lcd.print("Error: ");
+      lcd.print(httpResponseCode);
+      Serial.println(httpResponseCode);
+      curr_name = "";
+      http.end();
+      pass = "";
+      return false;
+    }
+    // Free resources
+  }
+  return false;
+}
+
+boolean machineSignout(){
+  //connected 
+  if(WiFi.status() == WL_CONNECTED){
+    //send post request
+    WiFiClient client;
+    HTTPClient http;
+    http.begin(client, signout);
+    http.addHeader("Content-Type", "application/json");
+    int httpResponseCode = http.POST("{\"name\":\"" + curr_name + "\",\"machineID\":\"" + machineID+"\"}");
+
+    if (httpResponseCode == 200) {
+      return true;
+    }
+    else {
+      lcd.clear();
+      lcd.print("Error Signing Out: ");
+      lcd.print(httpResponseCode);
+      Serial.println(httpResponseCode);
+      curr_name = "";
+      http.end();
+      pass = "";
+      return false;
+    }
+    // Free resources
+  }
+  return false;
+}

ESP32/Misc/hardware_manager/hardware_manager.ino

@@ -0,0 +1,97 @@
+// arduino json
+#include <WiFi.h>
+#include <HTTPClient.h>
+#include <Keypad.h>
+#include <LiquidCrystal.h>
+
+#define BUTTON_PIN 2
+#define LED_PIN 3
+//Keypad vars
+const int ROW_NUM = 4; //four rows
+const int COLUMN_NUM = 4; //four columns
+
+char keys[ROW_NUM][COLUMN_NUM] = {
+  {'1','2','3', 'A'},
+  {'4','5','6', 'B'},
+  {'7','8','9', 'C'},
+  {'*','0','#', 'D'}
+};
+
+byte pin_rows[ROW_NUM] = {36, 34, 32, 30}; //connect to the row pinouts of the keypad
+byte pin_column[COLUMN_NUM] = {28, 26, 24, 22}; //connect to the column pinouts of the keypad
+
+Keypad keypad = Keypad( makeKeymap(keys), pin_rows, pin_column, ROW_NUM, COLUMN_NUM );
+
+//LCD vars
+const int rs = 12, en = 11, d4 = 5, d5 = 4, d6 = 3, d7 = 2;
+LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
+const int LENGTH = 6;
+
+String keypad_buffer;
+
+//pass
+const char* ssid = "";
+const char* password = "";
+
+//server endpoints
+String path = "http://192.168.1.208:8080/";
+String authPath = server+"/auth";
+String machineID = "laser_cutter";
+
+void setup() {
+    keypad_buffer = "";
+    // light protoype with LED
+    setMode(LED_PIN, OUTPUT);
+    Serial.begin(115200);
+    WiFi.begin(ssid, password);
+    Serial.println("Connecting");
+
+    while(WiFi.status() != WL_CONNECTED) {}
+
+    Serial.println("");
+    Serial.print("Connected to WiFi network with IP Address: ");
+    Serial.println(WiFi.localIP());
+}
+
+void loop() {
+    char key = keypad.getKey();
+    String lcd_input = "";
+
+    if (key) {
+        if key == 'D' && keypad_buffer.length() > 0 {
+            keypad_buffer.remove(keypad_buffer.length() - 1);
+            lcd.print(lcd_input.remove(lcd_input.length() - 1));
+        } else {
+            keypad_buffer.concat(key);
+            lcd.print(lcd_input.concat("*"));
+
+            if(keypad_buffer.length() == 6 && WiFi.status() == WL_CONNECTED) {
+                WiFiClient client;
+                HTTPClient http;
+                http.begin(client, authPath);
+                http.addHeader("Content-Type", "application/json");
+
+                int httpResponseCode = http.POST("{\"code\":\""+keypad_buffer+"\",\"machineID\":\""+machineID+"\"}");
+                //handle response
+                if (httpResponseCode>0) {
+                    Serial.print("HTTP Response code: ");
+                    Serial.println(httpResponseCode);
+                    String payload = http.getString();
+                    Serial.println(payload);
+                }
+                else {
+                    Serial.print("Error code: ");
+                    Serial.println(httpResponseCode);
+                }
+
+                // Free resources
+                http.end();
+
+                // clear hardware resources
+                lcd.clear();
+                keypad_buffer.remove(0);
+            }
+        }
+    }
+
+}

ESP32/Misc/protoype/debug.cfg

@@ -0,0 +1,14 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# Example OpenOCD configuration file for ESP32-WROVER-KIT board.
+#
+# For example, OpenOCD can be started for ESP32 debugging on
+#
+#   openocd -f board/esp32-wrover-kit-3.3v.cfg
+#
+
+# Source the JTAG interface configuration file
+source [find interface/ftdi/esp32_devkitj_v1.cfg]
+set ESP32_FLASH_VOLTAGE 3.3
+# Source the ESP32 configuration file
+source [find target/esp32.cfg]

ESP32/Misc/protoype/debug_custom.json

@@ -0,0 +1,19 @@
+{
+	"name":"Arduino on ESP32",
+	"toolchainPrefix":"xtensa-esp32-elf",
+	"svdFile":"esp32.svd",
+	"request":"attach",
+	"postAttachCommands":[
+		"set remote hardware-watchpoint-limit 2",
+		"monitor reset halt",
+		"monitor gdb_sync",
+		"thb setup",
+		"c"
+	],
+	"overrideRestartCommands":[
+		"monitor reset halt",
+		"monitor gdb_sync",
+		"thb setup",
+		"c"
+	]
+}