Add HTTPS request sample (#43)

libraries/ESP8266WiFi/examples/HTTPSRequest/HTTPSRequest.ino

@@ -0,0 +1,80 @@
+/*
+ *  HTTP over TLS (HTTPS) example sketch
+ *
+ *  This example demonstrates how to use
+ *  WiFiClientSecure class to access HTTPS API.
+ *  We fetch and display the status of
+ *  esp8266/Arduino project continous integration
+ *  build.
+ *
+ *  Created by Ivan Grokhotkov, 2015.
+ *  This example is in public domain.
+ */
+
+#include <ESP8266WiFi.h>
+#include <WiFiClientSecure.h>
+
+const char* ssid = "........";
+const char* password = "........";
+
+const char* host = "api.github.com";
+const int httpsPort = 443;
+
+void setup() {
+  Serial.begin(115200);
+  Serial.println();
+  Serial.print("connecting to ");
+  Serial.println(ssid);
+  WiFi.begin(ssid, password);
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    Serial.print(".");
+  }
+  Serial.println("");
+  Serial.println("WiFi connected");
+  Serial.println("IP address: ");
+  Serial.println(WiFi.localIP());
+
+
+  // Use WiFiClientSecure class to create TLS connection
+
+  WiFiClientSecure client;
+  Serial.print("connecting to ");
+  Serial.println(host);
+  if (!client.connect(host, httpsPort)) {
+    Serial.println("connection failed");
+    return;
+  }
+
+  String url = "/repos/esp8266/Arduino/commits/esp8266/status";
+  Serial.print("requesting URL: ");
+  Serial.println(url);
+
+  client.print(String("GET ") + url + " HTTP/1.1\r\n" +
+               "Host: " + host + "\r\n" +
+               "User-Agent: BuildFailureDetectorESP8266\r\n" +
+               "Connection: close\r\n\r\n");
+
+  Serial.println("request sent");
+  while (client.connected()) {
+    String line = client.readStringUntil('\n');
+    if (line == "\r") {
+      Serial.println("headers received");
+      break;
+    }
+  }
+  String line = client.readStringUntil('\n');
+  if (line.startsWith("{\"state\":\"success\"")) {
+    Serial.println("esp8266/Arduino CI successfull!");
+  } else {
+    Serial.println("esp8266/Arduino CI has failed");
+  }
+  Serial.println("reply was:");
+  Serial.println("==========");
+  Serial.println(line);
+  Serial.println("==========");
+  Serial.println("closing connection");
+}
+
+void loop() {
+}

libraries/ESP8266WiFi/keywords.txt

@@ -16,6 +16,7 @@ WiFi	KEYWORD1
 WiFiClient	KEYWORD1
 WiFiServer	KEYWORD1
 WiFiUDP	KEYWORD1
+WiFiClientSecure	KEYWORD1
 
 #######################################
 # Methods and Functions (KEYWORD2)
@@ -64,4 +65,3 @@ scanNetworks	KEYWORD2
 WIFI_AP	LITERAL1
 WIFI_STA	LITERAL1
 WIFI_AP_STA	LITERAL1
-