VL_Example_Java.zip_bookumj_java_zip

// // Visionline Web Api Connector Example Java // V1.1 // 2017-06-22 // import com.google.gson.JsonObject; import com.google.gson.JsonParser; import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.InputStreamReader; import java.io.OutputStream; import java.io.OutputStreamWriter; import java.net.HttpURLConnection; import java.net.URL; import java.security.KeyManagementException; import java.security.KeyStoreException; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; import java.security.cert.CertificateException; import java.security.cert.X509Certificate; import java.text.SimpleDateFormat; import java.util.*; import javax.crypto.Mac; import javax.crypto.spec.SecretKeySpec; import javax.net.ssl.HostnameVerifier; import javax.net.ssl.HttpsURLConnection; import javax.net.ssl.SSLContext; import javax.net.ssl.SSLSession; import javax.net.ssl.SSLSocketFactory; import javax.net.ssl.TrustManager; import javax.net.ssl.X509TrustManager; import org.apache.commons.codec.binary.Base64; class Program { private static String visionline = ""; //Example:https://127.0.0.1 private static String endpointId = ""; //Example JILLY44 private static String roomNumber = "101"; public static void main(String[] args) throws Exception { callSession(); } static void callSession() throws Exception{ if(visionline.length()==0 || endpointId.length()==0){ System.out.println("Check required values for visionline url and endpointId..."); return; } System.out.println("Getting sessionId & accessKey..."); String sessionJson = "{\"username\":\"sym\",\"password\":\"sym\"}"; URL url = new URL(visionline+"/api/v1/sessions"); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("POST"); conn.setRequestProperty("Content-Type", "application/json;charset=utf-8"); conn.setRequestProperty("Date", getCurrentTimeStamp()); conn.setRequestProperty("Content-MD5", md5(sessionJson)); conn.setDoOutput(true); TrustModifier.relaxHostChecking(conn); // Skip invalid SSL check OutputStream os = conn.getOutputStream(); BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(os, "UTF-8")); writer.write(sessionJson); writer.flush(); writer.close(); os.close(); BufferedReader br; if (conn.getResponseCode() == 201) { br = new BufferedReader(new InputStreamReader((conn.getInputStream()))); } else { System.out.println("ERR:"); br = new BufferedReader(new InputStreamReader((conn.getErrorStream()))); } StringBuilder output = new StringBuilder(); String inputLine = ""; while ((inputLine = br.readLine()) != null) { output.append(inputLine); } conn.disconnect(); JsonParser parser = new JsonParser(); JsonObject o = parser.parse(output.toString()).getAsJsonObject(); if (o.get("id").toString().length()>0 && o.get("accessKey").toString().length()>0){ System.out.println("sessionId:"+ o.get("id").getAsString()); System.out.println("accessKey:"+ o.get("accessKey").getAsString()); callCreateKey(o.get("id").getAsString(),o.get("accessKey").getAsString()); }else{ System.out.println("Error creating valid session"); } } static void callCreateKey(String sessionId, String accessKey) throws Exception{ boolean error = false; String keyJson = "{\"doorOperations\":[{\"doors\":[\""+ roomNumber +"\"],\"operation\":\"guest\"}],\"label\":\"%ROOMRANGE%:%UUID%:%CARDNUM%\",\"endPointID\":\""+ endpointId +"\",\"description\":\"Hotel California\",\"expireTime\":\""+ getKeyExpireTime() +"\",\"format\":\"rfid48\"}"; System.out.println("Creating key..."); String requestTimestamp = getCurrentTimeStamp(); String toSign = new StringBuilder() .append("POST\n") .append(md5(keyJson)+"\n") .append("application/json;charset=utf-8\n") .append(requestTimestamp+"\n") .append("/api/v1/cards?action=mobileAccess&override=true") .toString(); String singned = sha1(toSign,accessKey); URL url = new URL(visionline+"/api/v1/cards?action=mobileAccess&override=true"); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("POST"); conn.setRequestProperty("Content-Type", "application/json;charset=utf-8"); conn.setRequestProperty("Date", requestTimestamp); conn.setRequestProperty("Content-MD5", md5(keyJson)); conn.setRequestProperty("Authorization", String.format("AWS %s:%s", sessionId, singned)); conn.setDoOutput(true); TrustModifier.relaxHostChecking(conn); // Skip invalid SSL check OutputStream os = conn.getOutputStream(); BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(os, "UTF-8")); writer.write(keyJson); writer.flush(); writer.close(); os.close(); BufferedReader br; if (conn.getResponseCode() == 201) { br = new BufferedReader(new InputStreamReader((conn.getInputStream()))); } else { error = true; System.out.println("ERR:"); br = new BufferedReader(new InputStreamReader((conn.getErrorStream()))); } StringBuilder output = new StringBuilder(); String inputLine = ""; while ((inputLine = br.readLine()) != null) { output.append(inputLine); } conn.disconnect(); if(!error){ JsonParser parser = new JsonParser(); JsonObject o = parser.parse(output.toString()).getAsJsonObject(); System.out.println("credentialId:"+ o.get("credentialID")); System.out.println("Key created!"); callDeleteSession(sessionId,accessKey); } else{ System.out.println("Error creating key..."); } } static void callDeleteSession(String sessionId, String accessKey) throws Exception{ System.out.println("Deleting session..."); String requestTimestamp = getCurrentTimeStamp(); String toSign = new StringBuilder() .append("DELETE\n") .append("\n") .append("\n") .append(requestTimestamp+"\n") .append("/api/v1/sessions/"+sessionId) .toString(); String singned = sha1(toSign,accessKey); URL url = new URL(visionline+"/api/v1/sessions/"+sessionId); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("DELETE"); conn.setRequestProperty("Date", requestTimestamp); conn.setRequestProperty("Authorization", String.format("AWS %s:%s", sessionId, singned)); conn.setDoOutput(true); TrustModifier.relaxHostChecking(conn); // Skip invalid SSL check BufferedReader br; if (conn.getResponseCode() == 201) { br = new BufferedReader(new InputStreamReader((conn.getInputStream()))); System.out.println("Session deleted!"); } else { br = new BufferedReader(new InputStreamReader((conn.getErrorStream()))); System.out.println("ERR:"+br); } conn.disconnect(); } static private String md5(String str) throws Exception { MessageDigest md = MessageDigest.getInstance("MD5"); md.reset(); md.update(str.getBytes("UTF-8")); return Base64.encodeBase64String(md.digest()); } public static String sha1(String data, String key) throws Exception { Mac sha1_HMAC = Mac.getInstance("HmacSHA1"); SecretKeySpec secret_key = new SecretKeySpec(key.getBytes(), "HmacSHA1"); sha1_HMAC.init(secret_key); return Base64.encodeBase64String(sha1_HMAC.doFinal(data.getBytes())); } public static String getCurrentTimeStamp() { SimpleDateFormat sdfDate = new SimpleDateFormat("E, d MMM yyyy HH:mm:ss zzz",Locale.US); sdfDate.setTimeZone(TimeZone.getTimeZone("GMT")); Date now = new Date(); String strDate = sdfDate.format(now); return strDate; } public static String getKeyExpireTime() { SimpleDateFormat sdfDate = new SimpleDateFormat("yyyyMMdd'T'HHmm"); Calendar cal = Calendar.getInstance(); cal.add(Calendar.DATE, 1); String strDate = sdfDate.format(cal.getTime()); return strDate; } public static void printRequestHeaders(HttpURLConnection conn){ for (String