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upload video to youtube without signing-in in the browser

i built java application on desktop that allows sharing video to youtube to specific google acount.
I used the suggested code from example for uploading a video from:
https://developers.google.com/youtube/v3/code_samples/java#upload_a_video
with the json token of the user.
But when i'm trying to upload it opens a web page of google and askes me to log-in and approve uploading videos with my user.
Is there a way to skip this level and do it from the java code?
I don't want to make the user log-in in a web page to his google acount and only use the GUI i made with java.

You can copy class
AuthorizationCodeInstalledApp
and override the method
browse(String url)
You need to realize, go to a url programmatically, like this(I use htmlunit):
public void browse(String url) throws IOException {
WebClient webClient = initWebClient();
HtmlPage htmlPage = webClient.getPage(url);
//first you need login with your email and password
final HtmlTextInput login = (HtmlTextInput) htmlPage.getByXPath("//input[#type='email']").get(0);
final HtmlPasswordInput pass = (HtmlPasswordInput) htmlPage.getByXPath("//input[#type='password']").get(0);
HtmlSubmitInput button = (HtmlSubmitInput) htmlPage.getByXPath("//input[#type='submit']").get(0);
//set input login and passwd
login.setText(this.login);
pass.setText(this.passwd);
//press submit button
button.click();
//next need select account
htmlPage = webClient.getPage(url);
DomNodeList<HtmlElement> list = htmlPage.getElementById("account-list").getElementsByTagName("li");
String account = list.get(0).getElementsByTagName("a").get(0).getAttribute("href");
System.out.println(account);
htmlPage = webClient.getPage(account);
//and click submit button for approve
System.out.println("Wait 10sec.");
webClient.waitForBackgroundJavaScript(10000);
HtmlButton submitInput = (HtmlButton) htmlPage.getElementById("submit_approve_access");
submitInput.click();
}
that's fine works for me.

HtmlUnit button click

I'm trying to send a message on www.meetme.com but can't figure out how to do it. I can type in the message in the comment area but clicking the Send button doesn't do anything. What am I doing wrong? When I login and press the Login button the page does change and everything is fine. Anyone have any ideas or clues?
HtmlPage htmlPage = null;
HtmlElement htmlElement;
WebClient webClient = null;
HtmlButton htmlButton;
HtmlForm htmlForm;
try{
// Create and initialize WebClient object
webClient = new WebClient(BrowserVersion.FIREFOX_17 );
webClient.setCssEnabled(false);
webClient.setJavaScriptEnabled(false);
webClient.setThrowExceptionOnFailingStatusCode(false);
webClient.setThrowExceptionOnScriptError(false);
webClient.getOptions().setThrowExceptionOnScriptError(false);
webClient.getOptions().setUseInsecureSSL(true);
webClient.getCookieManager().setCookiesEnabled(true);
/*webClient.setRefreshHandler(new RefreshHandler() {
public void handleRefresh(Page page, URL url, int arg) throws IOException {
System.out.println("handleRefresh");
}
});*/
htmlPage = webClient.getPage("http://www.meetme.com");
htmlForm = htmlPage.getFirstByXPath("//form[#action='https://ssl.meetme.com/login']");
htmlForm.getInputByName("username").setValueAttribute("blah#gmail.com");
htmlForm.getInputByName("password").setValueAttribute("blah");
//Signing in
htmlButton = htmlForm.getElementById("login_form_submit");
htmlPage = (HtmlPage) htmlButton.click();
htmlPage = webClient.getPage("http://www.meetme.com/member/1234567890");
System.out.println("BEFORE CLICK");
System.out.println(htmlPage.asText());
//type message in text area
HtmlTextArea commentArea = (HtmlTextArea)htmlPage.getFirstByXPath("//textarea[#id='profileQMBody']");
commentArea.setText("Testing");
htmlButton = (HtmlButton) htmlPage.getHtmlElementById("profileQMSend");
htmlPage = (HtmlPage)htmlButton.click();
webClient.waitForBackgroundJavaScript(7000);
//The print is exactly the same as the BEFORE CLICK print
System.out.println("AFTER CLICK");
System.out.println(htmlPage.asText());
}catch(ElementNotFoundException e){
e.printStackTrace();
}catch(Exception e){
e.printStackTrace();
}

Without knowing much about the webpage you're accessing, you just can't perform an AJAX request with JavaScript disabled. If changing that doesn't result in success, then you will have to keep debugging, but make sure JavaScript is enabled.
Additionally, make sure you're using HtmlUnit 1.12 and update all the deprecated methods in your code.
BTW, I'd also recommend to turn may JavaScript warnings off. Check this answer to see how you can do that.

HTMLUnit not clicking a button

I have a simple HTML unit code that is used to press a button and submit a form on a page, but it doesn't want to work. This is my code:
public static boolean sub(String ref, String zip) throws Exception {
WebClient webClient = new WebClient(BrowserVersion.FIREFOX_3_6);
webClient.getOptions().setRedirectEnabled(true);
webClient.getOptions().setJavaScriptEnabled(true);
webClient.getCookieManager().setCookiesEnabled(true);
final HtmlPage page1 = webClient.getPage("http://site.com/");
webClient.waitForBackgroundJavaScript(20000);
final HtmlButton button = page1.getFirstByXPath("//*[#id=\"lookup\"]");
final HtmlTextInput orderField = page1.getFirstByXPath("//*[#id=\"order-number\"]");
final HtmlTextInput zipField = page1.getFirstByXPath("//*[#id=\"order-user-info\"]");
orderField.setValueAttribute(ref);
zipField.setValueAttribute(zip);
final HtmlPage page2 = button.click();
webClient.waitForBackgroundJavaScript(20000);
System.out.println(page2.asText());
webClient.closeAllWindows();
return true;
}
All this does is print out the text of the first page, but with the text boxes filled in. As you can see, I tried waiting for javascript, it still doesn't work. Any help is appreciated.
UPDATE: I found at some new info. It seems that when I enter an order number that is correct, it just shows the current page with the text boxes filled in, instead of the page it is suposed to redirect to, but when I enter wrong info, it shows the current page with the text boxes filled in AND the "Wrong Info" error message. It seems that this is just not redirecting...

have you tried using
webClient.getOptions().setRedirectEnabled(true);

Password hacking

I have two files, a list of usernames and a list of passwords. I need to write a program to check each user name with the list of passwords. Then I need to go to a website and see if it logs in. I am not very sure how to go about the comparing and how to simulate the program to log in the website enter the information. Could you please help me out with this? It's a homework problem.

Regardless of the language you choose to implement this in, the basic idea is to simulate log-ins programatically. This can be done by logging in manually and looking at the HTTP headers, then sending "forged" headers programatically, changing the user/password fields.
Most log-ins will use POST and making a POST is not entirely straightforward. If you are allowed to use external libraries, you can try cURL. Simply set the appropriate headers and look at the response to check if your attempt was successful or not. If not, try again with a new combination.
In pseudo code:
bool simulate_login(user, password) :
request = new request(url)
request.set_method('POST')
request.set_header('name', user)
request.set_header('pass', password)
response = request.fetch_reponse()
return response.contains("Login successful")
success = []
foreach user:
foreach password:
if (simulate_login(user, password)):
success.append((user, password))
break

If you would like to use java you can try with HtmlUnit (see: http://htmlunit.sourceforge.net/gettingStarted.html) or if you are allowed Groovy you can go with http://www.gebish.org/
Here is the example from getting started guide that is relevant to your case:
public void login() throws Exception {
final WebClient webClient = new WebClient();
// Get the first page
final HtmlPage page1 = webClient.getPage("http://some_url");
// Get the form that we are dealing with and within that form,
// find the submit button and the field that we want to change.
final HtmlForm form = page1.getFormByName("myform");
final HtmlSubmitInput button = form.getInputByName("submitbutton");
final HtmlTextInput textField = form.getInputByName("userid");
// Change the value of the text field
textField.setValueAttribute("username");
// Do similar for password and that's all
// Now submit the form by clicking the button and get back the second page.
final HtmlPage page2 = button.click();
webClient.closeAllWindows();
}

If you would like to use java you can try with HtmlUnit (see: http://htmlunit.sourceforge.net/gettingStarted.html) or if you are allowed Groovy you can go with http://www.gebish.org/
Here is the example from getting started guide that is relevant to your case:
public void login() throws Exception {
final WebClient webClient = new WebClient();
// Get the first page
final HtmlPage page1 = webClient.getPage("http://some_url");
// Get the form that we are dealing with and within that form,
// find the submit button and the field that we want to change.
final HtmlForm form = page1.getFormByName("myform");
final HtmlSubmitInput button = form.getInputByName("submitbutton");
final HtmlTextInput textField = form.getInputByName("userid");
// Change the value of the text field
textField.setValueAttribute("username");
// Do similar for password and that's all
// Now submit the form by clicking the button and get back the second page.
final HtmlPage page2 = button.click();
List item

apache HTMLUNIT..... PROBLEM in handling javascript

I want to login to a website (http://www.orkut.com) through
com.gargoylesoftware.htmlunit.WebClient
But when I click on the "Submit" button, it doesn't take me to the expected page that should come after login. Instead it returns the same login page again. In clear sense, there is some problem in login. When I try the same code with sites that doen't have javascript, it works fine so I think I am not able to handle scripts.
I am trying using the follwoing code:
public static void main(String[] args) {
final WebClient webClient = new WebClient();
try {
HtmlPage loginPage = webClient.getPage(new URL("https://www.google.com/accounts/ServiceLogin?service=orkut&hl=en-US&rm=false&continue=http%3A%2F%2Fwww.orkut.com%2FRedirLogin%3Fmsg%3D0%26page%3Dhttp%253A%252F%252Fwww.orkut.co.in%252FHome.aspx&cd=IN&passive=true&skipvpage=true&sendvemail=false"));
System.out.println(loginPage.getTextContent());
List<HtmlForm> forms = loginPage.getForms();
HtmlForm loginForm = forms.get(0);
HtmlInput username = loginForm.getInputByName("Email");
HtmlInput password = loginForm.getInputByName("Passwd");
HtmlInput submit = loginForm.getInputByName("signIn");
username.setNodeValue("username");
password.setNodeValue("password");
HtmlPage homePage = submit.click();
Thread.sleep(10 * 1000);
System.out.println(homePage.getTextContent());
}catch(Exception ex) {
ex.printStackTrace();
}
}
When we do click on the "submit" button, in actual it calls first this function
onsubmit="return(gaia_onLoginSubmit());"
specified as the attribute of the form below
<form id="gaia_loginform" action="https://www.google.com/accounts/ServiceLoginAuth?service=orkut" method="post"
onsubmit="return(gaia_onLoginSubmit());">
Can anyone help me in this.
NOTE: I WILL PAY FOR THE SOLUTION

According to their site the JavaScript support is provided by Mozilla Rhino, so maybe all you need is to add it to your classpath (and perhaps fiddle with some configurations).
Also, HtmlUnit has professional support