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ESP-!"E-original

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May 23rd, 2018
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  1. /*********
  2. Complete project details at http://randomnerdtutorials.com
  3. *********/
  4.  
  5. // Including the ESP8266 WiFi library
  6. #include <ESP8266WiFi.h>
  7.  
  8. // Replace with your network details
  9. const char* ssid = "VTR-9016224";
  10. const char* password = "jhgh5gsJxnct";
  11.  
  12. // Web Server on port 8888
  13. WiFiServer server(8888);
  14.  
  15. // variables
  16. String header;
  17. String gpio5_state = "Off";
  18. String gpio4_state = "Off";
  19. int gpio5_pin = 5;
  20. int gpio4_pin = 4;
  21.  
  22. // only runs once
  23. void setup() {
  24. // Initializing serial port for debugging purposes
  25. Serial.begin(115200);
  26. delay(10);
  27.  
  28. // preparing GPIOs
  29. pinMode(gpio5_pin, OUTPUT);
  30. digitalWrite(gpio5_pin, LOW);
  31. pinMode(gpio4_pin, OUTPUT);
  32. digitalWrite(gpio4_pin, LOW);
  33.  
  34. // Connecting to WiFi network
  35. Serial.println();
  36. Serial.print("Connecting to ");
  37. Serial.println(ssid);
  38.  
  39. WiFi.begin(ssid, password);
  40.  
  41. while (WiFi.status() != WL_CONNECTED) {
  42. delay(500);
  43. Serial.print(".");
  44. }
  45. Serial.println("");
  46. Serial.println("WiFi connected");
  47.  
  48. // Starting the web server
  49. server.begin();
  50. Serial.println("Web server running. Waiting for the ESP IP...");
  51. delay(10000);
  52.  
  53. // Printing the ESP IP address
  54. Serial.println(WiFi.localIP());
  55. }
  56.  
  57. // runs over and over again
  58. void loop() {
  59. // Listenning for new clients
  60. WiFiClient client = server.available();
  61.  
  62. if (client) {
  63. Serial.println("New client");
  64. // boolean to locate when the http request ends
  65. boolean blank_line = true;
  66. while (client.connected()) {
  67. if (client.available()) {
  68. char c = client.read();
  69. header += c;
  70.  
  71. if (c == '\n' && blank_line) {
  72.  
  73. // checking if header is valid
  74. // dXNlcjpwYXNz = 'user:pass' (user:pass) base64 encode
  75. // Z29kbzoyMDE3 = ‘godo:2017´ (godo:2017) base64 codificación
  76. // https://www.base64encode.org
  77. Serial.print(header);
  78.  
  79. // Finding the right credential string
  80. if(header.indexOf("Z29kbzoyMDE3") >= 0) {
  81. //successful login
  82. client.println("HTTP/1.1 200 OK");
  83. client.println("Content-Type: text/html");
  84. client.println("Connection: close");
  85. client.println();
  86. // turns the GPIOs on and off
  87. if(header.indexOf("GET / HTTP/1.1") >= 0) {
  88. Serial.println("Main Web Page");
  89. }
  90. else if(header.indexOf("GET /gpio5on HTTP/1.1") >= 0){
  91. Serial.println("GPIO 5 On");
  92. gpio5_state = "On";
  93. digitalWrite(gpio5_pin, HIGH);
  94. }
  95. else if(header.indexOf("GET /gpio5off HTTP/1.1") >= 0){
  96. Serial.println("GPIO 5 Off");
  97. gpio5_state = "Off";
  98. digitalWrite(gpio5_pin, LOW);
  99. }
  100. else if(header.indexOf("GET /gpio4on HTTP/1.1") >= 0){
  101. Serial.println("GPIO 4 On");
  102. gpio4_state = "On";
  103. digitalWrite(gpio4_pin, HIGH);
  104. }
  105. else if(header.indexOf("GET /gpio4off HTTP/1.1") >= 0){
  106. Serial.println("GPIO 4 Off");
  107. gpio4_state = "Off";
  108. digitalWrite(gpio4_pin, LOW);
  109. }
  110. // your web page
  111. client.println("<!DOCTYPE HTML>");
  112. client.println("<html>");
  113. client.println("<head>");
  114. client.println("<meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">");
  115. client.println("<link rel=\"stylesheet\" href=\"https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css\">");
  116. client.println("</head><div class=\"container\">");
  117. client.println("<h1>Web Server</h1>");
  118. client.println("<h2>GPIO 5 - Current State: " + gpio5_state);
  119. client.println("<div class=\"row\">");
  120. client.println("<div class=\"col-md-2\"><a href=\"/gpio5on\" class=\"btn btn-block btn-lg btn-success\" role=\"button\">ON</a></div>");
  121. client.println("<div class=\"col-md-2\"><a href=\"/gpio5off\" class=\"btn btn-block btn-lg btn-danger\" role=\"button\">OFF</a></div>");
  122. client.println("</div>");
  123. client.println("<h2>GPIO 4 - Current State: " + gpio4_state);
  124. client.println("<div class=\"row\">");
  125. client.println("<div class=\"col-md-2\"><a href=\"/gpio4on\" class=\"btn btn-block btn-lg btn-success\" role=\"button\">ON</a></div>");
  126. client.println("<div class=\"col-md-2\"><a href=\"/gpio4off\" class=\"btn btn-block btn-lg btn-danger\" role=\"button\">OFF</a></div>");
  127. client.println("</div></div></html>");
  128. }
  129. // wrong user or passm, so http request fails...
  130. else {
  131. client.println("HTTP/1.1 401 Unauthorized");
  132. client.println("WWW-Authenticate: Basic realm=\"Secure\"");
  133. client.println("Content-Type: text/html");
  134. client.println();
  135. client.println("<html>Authentication failed</html>");
  136. }
  137. header = "";
  138. break;
  139. }
  140. if (c == '\n') {
  141. // when starts reading a new line
  142. blank_line = true;
  143. }
  144. else if (c != '\r') {
  145. // when finds a character on the current line
  146. blank_line = false;
  147. }
  148. }
  149. }
  150. // closing the client connection
  151. delay(1);
  152. client.stop();
  153. Serial.println("Client disconnected.");
  154. }
  155. }
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