MSA-1517: foscam modified device type

devicetypes/smartthings/virtual-foscam.src/virtual-foscam.groovy

@@ -0,0 +1,154 @@
+import static java.util.UUID.randomUUID 
+import java.security.MessageDigest
+import javax.crypto.spec.SecretKeySpec
+import javax.crypto.Mac
+import java.security.SignatureException
+
+metadata {
+	// Automatically generated. Make future change here.
+	definition (name: "Virtual Foscam", namespace: "smartthings", author: "sidoh") {
+		capability "Actuator"
+		capability "Image Capture"
+        capability "Switch"
+        
+        command "enableRecording"
+        command "disableRecording"
+        
+        attribute "preset", "enum", ["Door", "Couch", "Table"]
+        command "setPresetDoor"
+        command "setPresetCouch"
+        command "setPresetTable"
+	}
+    
+    preferences {
+    	input "camera", "text", title: "Camera Identifier", displayDuringSetup: true
+    }
+
+	simulator {
+		// TODO: define status and reply messages here
+	}
+
+	tiles {
+		standardTile("camera", "device.image", width: 1, height: 1, canChangeIcon: false, inactiveLabel: true, canChangeBackground: true) {
+			state "default", label: "", action: "", icon: "st.camera.dropcam-centered", backgroundColor: "#FFFFFF"
+		}
+
+		carouselTile("cameraDetails", "device.image", width: 3, height: 2) { }
+
+		standardTile("take", "device.image", width: 1, height: 1, canChangeIcon: false, inactiveLabel: true, canChangeBackground: false) {
+			state "take", label: "Take", action: "Image Capture.take", icon: "st.camera.dropcam", backgroundColor: "#FFFFFF", nextState:"taking"
+			state "taking", label:'Taking', action: "", icon: "st.camera.dropcam", backgroundColor: "#53a7c0"
+			state "image", label: "Take", action: "Image Capture.take", icon: "st.camera.dropcam", backgroundColor: "#FFFFFF", nextState:"taking"
+		}
+        
+        standardTile("switch", "device.switch", width: 1, height: 1, canChangeIcon: true) {
+            state "on", label:'${name}', action:"switch.off", icon:"st.Entertainment.entertainment9", backgroundColor:"#79b821", nextState:"turningOff"
+            state "off", label:'${name}', action:"switch.on", icon:"st.Entertainment.entertainment9", backgroundColor:"#ffffff", nextState:"turningOn"
+            state "turningOn", label:'${name}', icon:"st.Entertainment.entertainment9", backgroundColor:"#79b821"
+            state "turningOff", label:'${name}', icon:"st.Entertainment.entertainment9", backgroundColor:"#ffffff"
+		}
+        
+        standardTile("presetDoor", "device.preset", width: 1, height: 1, canChangeIcon: true) {
+        	state "Door", label: '${name}', backgroundColor:"#79b821", action: "setPresetDoor"
+        }
+        
+        standardTile("presetCouch", "device.preset", width: 1, height: 1, canChangeIcon: true) {
+        	state "Couch", label: '${name}', backgroundColor:"#79b821", action: "setPresetCouch"
+        }
+        
+        standardTile("presetTable", "device.preset", width: 1, height: 1, canChangeIcon: true) {
+        	state "Table", label: '${name}', backgroundColor:"#79b821", action: "setPresetTable"
+        }
+
+		main "switch"
+		details(["cameraDetails", "take", "switch", "presetDoor", "presetCouch", "presetTable"])
+	}
+}
+
+def setPresetDoor() {
+	setPreset("Door")
+}
+
+def setPresetCouch() {
+	setPreset("Couch")
+}
+
+def setPresetTable() {
+	setPreset("Table")
+}
+
+def on() {
+	sendEvent(name: "switch", value: "on")
+    gwPost('', [recording: true])
+}
+
+def off() {
+	sendEvent(name: "switch", value: "off")
+    gwPost('', [recording: false])
+}
+
+def take() {
+	log.info "Executing 'take'"
+
+	gwGet('/snapshot.jpg') {
+    	final def imageName = "${randomUUID() as String}.jpg"
+		storeImage(imageName, it.data)
+    }
+}
+
+def hmac(String data, String key) throws SignatureException {
+  final Mac hmacSha1;
+  try {
+     hmacSha1 = Mac.getInstance("HmacSHA1");
+  } catch (Exception nsae) {
+     hmacSha1 = Mac.getInstance("HMAC-SHA-1");         
+  }
+  
+  final SecretKeySpec macKey = new SecretKeySpec(key.getBytes(), "RAW");
+  hmacSha1.init(macKey);
+  
+  final byte[] signature =  hmacSha1.doFinal(data.getBytes());
+  
+  return signature.encodeHex()
+}
+
+def getHmacHeaders() {
+    final def payload = randomUUID() as String
+    long time = new Date().getTime() 
+    time /= 1000L
+    
+    final String signature = hmac(payload + time, '<security_token>')
+
+    [
+        'X-Signature-Timestamp': time,
+        'X-Signature-Payload': payload,
+        'X-Signature': signature
+    ]
+}
+
+def setPreset(preset) {
+	gwPost('', [preset: preset])
+    runIn(2, take)
+    sendEvent(name: 'preset', value: preset)
+}
+
+def gwPost(path, params, success = {}) {
+    httpPost(
+    	[
+            uri: ("http://<ha_gateway_url>/camera/${settings.camera}${path}"),
+            body: params,
+            headers: getHmacHeaders(),
+            success: success
+        ]
+    )
+}
+
+def gwGet(path, success = {}) {
+    httpGet(
+    	[
+            uri: ("http://<ha_gateway_url>/camera/${settings.camera}${path}"),
+            headers: getHmacHeaders(),
+            success: success
+        ]
+    )
+}