I am trying to integrate facebook bot for my business page and followed this
Copied js code given to setup webhook and created a .js file... but when i tried to verify and save the message it showed was "The URL couldn't be validated. Response does not match challenge, expected value = '1227072936', received=' app.get('/webho...'".
I am .net developer and have no idea of javascript coding.
Can anyone suggest me where i am going wrong?
This is my code while verify web hook in java
i just create a serlvet with dopost method and then git the request parameters like below .. sure you have something like that in .net
String token = req.getParameter("hub.verify_token");
if (token != null && !token.equals("")) {
resp.setContentType("text/html");
if (token.equals("{verified_token}")) {
String challenge = req.getParameter("hub.challenge");
System.out.println("I am WebHock Verification --------> ");
}
}
{verified_token} is the token i added while verify my webhook url
the webhook url in the image below replaced by my serlvet URL :
I hope that help you
Related
I'm writing an auto-replying tool for gmail using Google Apps Script (http://script.google.com).
In the docs, I don't find any function to send a Gmail canned response. Is there no such feature?
If not, how would you handle this? I thought about sending an email to myself in gmail:
To:example#gmail.com
From:example#gmail.com
Subject:This is a canned response ID1847
Hi
This is a test
adding the label mycannedresponse to it, and then loading in Apps Script this mail from code:
var threads = GmailApp.search("label:mycannedresponse ID1847");
if (threads.length != 1) {
// error: the canned response ID... is not unique
} else {
threads[0].getBody(...)
threads[0].getPlainBody(...)
}
Is there a more-documented way to do it?
Have you seen the sendEmail method for GAS? You can create a trigger to fire off this email.
// The code below will send an email with the current date and time.
var now = new Date();
GmailApp.sendEmail("mike#example.com", "current time", "The time is: " + now.toString());
https://developers.google.com/apps-script/reference/gmail/gmail-app#sendemailrecipient-subject-body
I'm trying create a simple UI here on my iOS app to test a thing or two out but I'm having some issues here. My app is set up with a UITextField and UIButton. I'm trying to replace a string on my .js file which is saved on my virtual server. In my .js file I have below:
// Prepare a new notification
var notification = new apn.Notification();
// Display the following message (the actual notification text, supports emoji)
notification.alert = 'Hi James';
I basically would like to replace "Hi James" with whatever I typed in the UITextField in my Swift 3 project but not too sure where to start. This would be my first time sending data to .js file so anything would help. I'm thinking so far that it'd be something along the lines to below. Node.js would be similar to Javascript since it's cross platform.
func sendSomething(stringToSend : String) {
appController?.evaluateInJavaScriptContext({ (context) -> Void in
//Get a reference to the "myJSFunction" method that you've implemented in JavaScript
let myJSFunction = evaluation.objectForKeyedSubscript("myJSFunction")
//Call your JavaScript method with an array of arguments
myJSFunction.callWithArguments([stringToSend]) }, completion: { (evaluated) -> Void in
print("we have completed: \(evaluated)")
})
}
Found that on a relevant StackOverflow post so I feel like I'm getting close. Any assistant would be appreciated in advanced. Have a good one!
I recommend using the Node HTTP or ExpressJS server reading the POST fields and posting a document from your iOS app with the desired field
See
https://nodejs.org/en/docs/guides/anatomy-of-an-http-transaction/
I'm trying to figure out how to create calls from my Twilio number after I've dialed into it and entered a number. After reading the docs I see that this is done with the gather feature, which can then be redirected to another Twiml document to handle the response. However, I can't quite get it to work. I'm extremely confused on how to execute Twiml correctly and how to access the request parameters in another Twiml doc. I've also looked into Twimlets but I wasn't able to construct what I needed there correctly either.
I've gone back and tried to just make a simple voice message play when only my number calls. If it's not me calling then it needs to be redirected to a Twiml url which will try to connect to my phone. If that fails it will prompt the caller to leave a message.
//Handle incoming call requests
app.post('/call', function(req, res) {
var twiml = new twilio.TwimlResponse();
res.type('text/xml');
if ( req.body.From === "+1555555555") {
twiml.say('Hello', {voice: alice});
res.send(twiml.toString());
} else {
// Do something here.
}
});
I've found the correct solution for my problem. I wasn't initiating the twilio.TwimlResponse() correctly.
In order to solve this issue, I needed to use == instead of === so that my req.body.from value wouldn't get coerced.
I want to add Idap authentication to the web applications that I developed with HTML and AngularJS.
But I don't understand how I should do it. I looked online and only found answer to how to set up IDAP in JAVA.
{
String uid = "User";
String password = "Password";
String BASE = "ou=People,dc=objects,dc=com,dc=au";
String userDN = "uid=" + uid + ",ou=people," + BASE;
String HOST = "ldap://ldap.example.com:389";
String INIT_CTX = "com.sun.jndi.ldap.LdapCtxFactory";
// Setup environment for authenticating
Hashtable env = new Hashtable();
env.put(Context.INITIAL_CONTEXT_FACTORY, INIT_CTX);
env.put(Context.PROVIDER_URL, HOST);
env.put(Context.SECURITY_AUTHENTICATION, "simple");
env.put(Context.SECURITY_PRINCIPAL, userDN);
env.put(Context.SECURITY_CREDENTIALS, password);
env.put(Context.REFERRAL, "follow");
try
{
DirContext authContext =
new InitialDirContext(env);
System.out.println("I am authenticated");
}
catch (AuthenticationException ex)
{
System.out.println("authentication failed");
}
catch (NamingException ex)
{
ex.printStackTrace();
}
}
So the above code is just a tryout from me, and it works fine.
I will make it into a function later and i want to use it to authenticate the users that come to use my web application.
I have no idea how to do that though. I mean I know I should create a HTML page that request users to enter ID and Password. then I can use AngularJS to capture those data.
But then what?
How do I use the Java function in AngularJS or HTML? I mean once authenticated, It should jump to the index.html page.
Thanks guys, Sorry i am new to web development.
Java runs on the backend only. You grab the username/password in Angular and POST it back to your Java application. Typically, you'd set this up with Dropwizard or Spring Boot. The backend then returns either success or failure to Angular which then sets the browser location to your index.html.
Read up on Jersey, REST and Dropwizard, there's lots of examples. Alternatively, you can run a Tomcat server and let this do the LDAP auth via container managed security - you only need to supply the LDAP info in the web.xml.
I am completely new to the Facebook API. I would like to incorporate Facebook login into my application. I am using the Javascript SDK on the front-end to log the user in and retrieve the user_id and signed_request from Facebook. I then plan to send these two pieces of information via AJAX to my server (either php/hack (hhvm), node, java, or whichever language I can determine is quickest for decoding) every time my logged in user does an action on my application to validate if the user is indeed logged in and is the person they say they are. For me to accomplish this, I need to decode the signed_request, for example in php:
function parse_signed_request($signed_request) {
list($encoded_sig, $payload) = explode('.', $signed_request, 2);
$secret = "appsecret"; // Use your app secret here
// decode the data
$sig = base64_url_decode($encoded_sig);
$data = json_decode(base64_url_decode($payload), true);
// confirm the signature
$expected_sig = hash_hmac('sha256', $payload, $secret, $raw = true);
if ($sig !== $expected_sig) {
error_log('Bad Signed JSON signature!');
return null;
}
return $data;
}
function base64_url_decode($input) {
return base64_decode(strtr($input, '-_', '+/'));
}
which then I will be able to extract the following JSON object:
{
"oauth_token": "{user-access-token}",
"algorithm": "HMAC-SHA256",
"expires": 1291840400,
"issued_at": 1291836800,
"user_id": "218471"
}
to be able to compare if the user_id the user sent over matches the one in the JSON object. Then if it matches I can complete my business logic (DB manipulation).
My big concern here is a user will be sending many requests to my server, so every time I will need to decode this signed_request which can really kill my server performance. I was thinking I maybe could call Facebook from my server, pass the user_id, and receive the signed_request string, which I can then match with the signed_request string the user sent over from the client_side and see if they match. This would be more efficient, but it does not seem Facebook offers anything like this. Is there any other methods besides the heavy performing decoding to validate a user? I have gone through quite a bit of the Facebook SDK's information but could not find a solution. If I must decode, which language/library would be the best performing at this type of operation?
PS. I plan on using cordova later to create a mobile app so I must use only Javascript on the front end and can't use a server language such as php to create html for the client.
Decoding the signed request will not kill your server. It's way fast than making an external request.
If you're using php you should look into the Facebook SDK for PHP and use this helper: https://developers.facebook.com/docs/php/FacebookJavaScriptLoginHelper/4.0.0