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import java.io.File;
import java.io.IOException;
import java.net.URLEncoder;
import java.util.HashMap;
import java.util.Iterator;
import org.json.JSONObject;
import se.rupy.http.*;
public class User extends Service {
private String host(Event event) throws Exception {
return event.query().string("root", Root.host());
}
private String head(Event event) throws Exception {
return "Head:less\r\nHost:" + event.query().string("root", host(event));
}
public static void redirect(Event event) throws IOException, Event {
String referer = event.query().header("referer");
redirect(event, referer == null ? "/" : referer, true);
}
public static void redirect(Event event, String path) throws IOException, Event {
redirect(event, path, false);
}
public static void redirect(Event event, String path, boolean forward) throws IOException, Event {
if(forward) {
HashMap query = (HashMap) event.query().clone();
event.session().put("post", query);
}
event.reply().header("Location", path);
event.reply().code("302 Found");
Output out = event.output();
out.finish();
out.flush();
throw event;
}
public static void refill(Event event) {
HashMap post = (HashMap) event.session().get("post");
if(post != null) {
Iterator it = post.keySet().iterator();
while(it.hasNext()) {
Object key = it.next();
Object value = post.get(key);
event.query().put(key, value);
}
}
}
public String path() { return "/user"; }
private void script(Event event) throws Exception {
Output out = event.output();
String salt = event.session().string("salt");
String algo = event.query().string("algo", "sha-256");
if(algo.equals("sha-256"))
out.println("<script src=\"sha256.js\"></script>");
else
out.println("<script src=\"md5.js\"></script>");
out.println("<script>");
out.println(" function join(e) {");
out.println(" e = e || window.event;");
out.println(" var unicode = e.charCode ? e.charCode : e.keyCode ? e.keyCode : 0;");
out.println(" if(unicode == 13) {");
out.println(" hash('join');");
out.println(" }");
out.println(" }");
out.println(" function sign(e) {");
out.println(" e = e || window.event;");
out.println(" var unicode = e.charCode ? e.charCode : e.keyCode ? e.keyCode : 0;");
out.println(" if(unicode == 13) {");
out.println(" hash('sign');");
out.println(" }");
out.println(" }");
out.println(" var digits = /^\\d+$/;");
out.println(" function hash(type) {");
out.println(" var name = document.getElementById('name');");
out.println(" var pass = document.getElementById('pass');");
out.println(" var salt = document.getElementById('salt');");
out.println(" if(pass.value.length > 0) {");
out.println(" if(type == 'join') {");
if(algo.equals("sha-256"))
out.println(" pass.value = CryptoJS.SHA256(pass.value + name.value.toLowerCase());");
else
out.println(" pass.value = md5(pass.value + name.value.toLowerCase());");
out.println(" } else {");
out.println(" salt.value = '" + salt + "';");
out.println(" if(!digits.test(name.value))");
if(algo.equals("sha-256")) {
out.println(" pass.value = CryptoJS.SHA256(pass.value + name.value.toLowerCase());");
out.println(" pass.value = CryptoJS.SHA256(pass.value + salt.value);");
}
else {
out.println(" pass.value = md5(pass.value + name.value.toLowerCase());");
out.println(" pass.value = md5(pass.value + salt.value);");
}
out.println(" }");
out.println(" document.forms['user'].submit();");
out.println(" }");
out.println(" }");
out.println("</script>");
out.println("<style>");
out.println(" a:link, a:hover, a:active, a:visited { color: #6699ff; font-style: italic; }");
out.println(" div { font-family: monospace; }");
out.println(" input { font-family: monospace; }");
out.println("</style>");
}
private void print(Event event, String feedback) throws Event, Exception {
Output out = event.output();
String name = event.string("name");
String mail = event.string("mail");
String salt = event.string("salt");
String fail = event.string("fail");
String bare = event.query().string("bare", "");
String host = event.query().header("host");
String url = event.query().string("url", host);
if(bare.length() == 0) {
out.println("<!doctype html>");
out.println("<html>");
out.println("<head>");
out.println("<meta name=\"viewport\" content=\"width=300, initial-scale=1.0, maximum-scale=1.0, user-scalable=0\">");
}
script(event);
if(bare.length() == 0) {
out.println("</head>");
out.println("<body>");
}
out.println("<div><table width=\"100\">");
if(fail != null) {
out.println("<tr><td colspan=\"2\"><i><font color=\"#ff3300\">" + fail + "</font></i></td></tr>");
}
out.println("<tr>");
out.println("<form action=\"user\" method=\"post\" name=\"user\"><input type=\"hidden\" name=\"salt\" id=\"salt\" value=\"" + salt + "\"><input type=\"hidden\" name=\"url\" value=\"" + url + "\">");
out.println("<td><i>name</i> </td><td><input type=\"text\" style=\"width: 100px;\" name=\"name\" id=\"name\" value=\"" + name + "\"></td></tr>");
out.println("<tr><td><i>pass</i></font> </td><td><input type=\"password\" style=\"width: 100px;\" name=\"pass\" id=\"pass\" onkeypress=\"sign(event);\"></td></tr>");
out.println("<tr><td><font color=\"#00cc33\"><i>mail*</i></font></td><td><input type=\"text\" style=\"width: 100px;\" name=\"mail\" value=\"" + mail + "\" onkeypress=\"join(event);\"></td></tr>");
out.println("<tr><td></td><td><a href=\"javascript:hash('sign');\">login</a> <a href=\"javascript:hash('join');\">register</a></td></tr>");
out.println("<tr><td></td><td><font color=\"#ff9900\"><i>*optional</i></font></td></tr>");
out.println("</form>");
out.println("</table></div>");
if(bare.length() == 0) {
out.println("</body>");
out.println("</html>");
}
}
public void filter(Event event) throws Event, Exception {
event.query().parse();
String algo = event.query().string("algo", "sha-256");
if(event.push()) {
String name = event.query().string("success");
String fail = event.query().string("fail");
String host = event.query().header("host");
String url = event.query().string("url", host);
JSONObject user = (JSONObject) event.query().get("user");
if(user != null) {
String pass = event.string("pass");
String salt = event.string("salt");
String hash = Deploy.hash(Deploy.hash(user.getString("pass") + user.getString("name"), algo) + salt, algo);
if(hash.equals(pass)) {
user.remove("pass");
event.output().print(user);
}
else {
event.query().put("fail", "pass didn't match");
redirect(event);
}
}
else if(name.length() > 0) {
redirect(event, "http://" + url + "?name=" + name);
}
else if(fail.length() > 0) {
Output out = event.output();
out.println("<meta http-equiv=\"refresh\" content=\"0;URL=http://" + url + "?fail=" + URLEncoder.encode(fail, "UTF-8") + "\">");
out.finish();
out.flush();
throw event;
}
else if(event.bit("redirect")) {
Output out = event.output();
out.println("<meta http-equiv=\"refresh\" content=\"0;URL=http://" + url + "?name=" + name + "\">");
out.finish();
out.flush();
throw event;
}
}
else {
if(event.query().method() == Query.GET) {
refill(event);
String salt = event.session().string("salt");
if(salt.length() == 0) {
event.hold();
Async.Work work = new Async.Work(event) {
public void send(Async.Call call) throws Exception {
call.get("/salt", head(event));
}
public void read(String host, String body) throws Exception {
event.query().put("redirect", "true");
event.session().put("salt", body);
event.reply().wakeup(true);
}
public void fail(String host, Exception e) throws Exception {
e.printStackTrace();
event.reply().wakeup(true);
}
};
event.daemon().client().send("localhost", work, 30);
throw event;
}
else {
Output out = event.output();
print(event, null);
out.finish();
out.flush();
}
}
else if(event.query().method() == Query.POST) {
final String name = event.string("name").toLowerCase();
final String salt = event.string("salt");
final String pass = event.string("pass");
String host = event.string("host");
if(name.length() < 2) {
event.query().put("fail", "name too short (2)");
redirect(event);
}
if(salt.length() > 0) {
if(event.session() != null)
event.session().put("salt", null);
if(host.equals(Root.host())) {
if(Root.Salt.salt.containsKey(salt)) {
Root.Salt.salt.remove(salt);
}
else {
event.reply().code("400 Bad Request");
event.output().print("salt not found");
throw event;
}
File file = null;
if(name.indexOf("@") > -1) { // this doesen't work because name is used as salt!
file = new File(Root.home() + "/node/user/mail" + Root.path(name));
}
else if(name.matches("[0-9]+")) {
file = new File(Root.home() + "/node/user/id" + Root.path(Long.parseLong(name)));
}
else {
file = new File(Root.home() + "/node/user/name" + Root.path(name));
}
if(!file.exists()) {
event.output().print("name not found");
throw event;
}
JSONObject object = new JSONObject(Root.file(file));
String secret = object.optString("pass");
boolean key = false;
if(secret.length() == 0) {
secret = object.optString("key");
key = true;
}
String hash = Deploy.hash(secret + salt, algo);
if(hash.equals(pass)) {
object.remove("pass");
event.output().print(object);
}
else if(key == false) {
secret = object.optString("key");
hash = Deploy.hash(secret + salt, algo);
if(hash.equals(pass)) {
object.remove("pass");
event.output().print(object);
}
else {
event.output().print("wrong pass");
}
}
else {
event.output().print("wrong pass");
}
throw event;
}
else {
Async.Work work = new Async.Work(event) {
public void send(Async.Call call) throws Exception {
String body = "name=" + name + "&pass=" + pass + "&salt=" + salt + "&host=" + host(event);
call.post("/user", head(event), body.getBytes());
}
public void read(String host, String body) throws Exception {
try {
JSONObject user = new JSONObject(body);
System.out.println(event.session() + " " + user);
event.session().put("user", user);
event.query().put("success", user.getString("name"));
}
catch(Exception e) {
e.printStackTrace();
event.query().put("fail", body);
}
event.reply().wakeup(true);
}
public void fail(String host, Exception e) throws Exception {
e.printStackTrace();
event.query().put("fail", "something snapped");
event.reply().wakeup(true);
}
};
event.daemon().client().send("localhost", work, 30);
throw event;
}
}
else {
String mail = event.string("mail").toLowerCase();
/* The distributed name service I'm building
* is going to use 5-bit letters so to fit inside
* an integer we can only have 6 letters.
*/
if(name.length() > 6) {
event.query().put("fail", "name too long (6)");
redirect(event);
}
if(!name.matches("[a-zA-Z1-6.\\-]+")) {
event.query().put("fail", "name invalid (a-z/1-6)");
redirect(event);
}
if(name.matches("[0-9]+")) {
event.query().put("fail", "name alpha missing"); // [0-9]+ reserved for <id>
redirect(event);
}
if(mail.length() > 0 && mail.indexOf("@") == -1) {
event.query().put("fail", "mail @ missing");
redirect(event);
}
String user = "{\"name\":\"" + name + "\",\"pass\":\"" + pass + "\"";
String list = "key,name";
if(mail.length() > 0) {
user += ",\"mail\":\"" + mail + "\"";
list += ",mail";
}
user += "}";
final String json = user;
final String sort = list;
Async.Work work = new Async.Work(event) {
public void send(Async.Call call) throws Exception {
call.post("/node", head(event), ("json=" + json + "&sort=" + sort + "&create").getBytes("utf-8"));
}
public void read(String host, String body) throws Exception {
boolean invalid = body.indexOf("Validation") > 0;
boolean collide = body.indexOf("Collision") > 0;
if(invalid || collide) {
String message = body.substring(body.indexOf("[") + 1, body.indexOf("]"));
event.query().put("fail", message.substring(0, 4) + " " +
(invalid ? "contains bad characters" : "") + " " +
(collide ? "already registered" : ""));
}
else {
JSONObject user = new JSONObject(body);
event.session().put("user", user);
event.query().put("success", user.getString("name"));
}
event.reply().wakeup(true);
}
public void fail(String host, Exception e) throws Exception {
e.printStackTrace();
event.query().put("fail", e.toString() + "[" + Root.local() + "]");
event.reply().wakeup(true);
}
};
event.daemon().client().send("localhost", work, 30);
throw event;
}
}
}
}
}
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