Last night, I did a quick spike to try and implement username/password autocomplete in my GXT application. By "autocomplete", I don't mean Ajax-style autocomplete, but rather browser-based autocomplete. The best information I found on this via google is in the following post:
http://osdir.com/ml/GoogleWebToolkit/2009-04/msg01838.html
I didn't use this technique because I'm using GXT and didn't want to lose the look-and-feel of my login form.
I was successful in getting everything to work in Firefox (it populates both the username and password). In IE, it only populates the username, not the password. In Safari/Chrome, it doesn't work at all.
Here's how I did it:
Created a hidden HTML form on my HTML page that embeds GWT.
<form method="post" action="javascript:void(0)" style="display: none">
<input type="text" id="username" name="username" value=""/>
<input type="password" id="password" name="password" value=""/>
<input type="submit" value="Login" id="login"/>
</form>
When a user clicks on the "Login" button in my GWT application, populate the fields in this hidden form and "click" on the Login button (which will do nothing since the action="javascript:void(0)".
// Set the hidden fields to trigger the browser to remember
DOM.getElementById("username").setAttribute("value", username.getValue());
DOM.getElementById("password").setAttribute("value", password.getValue());
clickFormLogin();
...
public static native void clickFormLogin() /*-{
$doc.getElementById("login").click();
}-*/;
This works in Firefox 3.5 and prompts me to save the user/pass at the top of the screen. I believe I know why this doesn't work in Safari/Chrome and that's because the form's action doesn't go anywhere and the form is not submitted. If I change the action to be an actual URL and show the form, clicking on the form's Login button will save it in those browsers.
After typing this up as a question here, I got to thinking this might make a good blog post. Therefore, I copied everything and added a bit to my blog:
http://raibledesigns.com/rd/entry/browser_based_username_password_autocomplete
Summary and Question
While I'm glad I got it working in Firefox, I'm disappointed with IE's lack of password autocompletion. More than anything, I can't help but think there's a way to make this work in WebKit-based browsers.
Anyone know how to implement cross-browser username/password autocomplete in GWT (specifically GXT)?
Use persistent Cookies instead.
IE do save passwords, if user chooses to, but it works different. You need to type at least the username so it will autocomplete the password.
You need a plain vanilla html submit button. I think that will fix it.
http://groups.google.com/group/Google-Web-Toolkit/browse_thread/thread/2b2ce0b6aaa82461
Related
I'm trying to scrape prices from this site:
https://www.pensketruckrental.com/quote/start.html
I can easily enter the form data, and I can activate the "Get A Quote" button and click it.
What I can't seem to do is get the form data to submit using a web scraper (I'm just doing it in VBA). When I input text using the scraper, the button remains grayed out, and even making a .click call on the button just displays errors on the form telling you not to leave the fields blank. Apparently it only recognizes data when you use an input device?
The code for one of the required fields, pickupLocation, is the following when I enter it manually (and thus the button works and the form can be submitted):
<input
type="text"
id="pickUpLocation"
name="pickUpLocation"
class="penskeValidateField penskeGoogleTypeAhead penskeInlineError ng-isolate-scope ng-touched ng-focused ng-dirty ng-valid-penske-err_loc_empty_sa ng-valid ng-valid-parse ng-valid-required"
aria-invalid="false"
aria-required="false"
country="rentalEntryCtrl.formItems.country"
penske-validate-field="pickuplocation"
required=""
autocompelete="off"
data-penske-placeholder="rentalEntryCtrl.activePlaceHolders.pickUpLocation"
ng-model="rentalEntryCtrl.formItems.pickupLocationSearchCriteria.address"
autocomplete="off">
And when I enter the data automatically using my scraper the tag & attributes read as follows:
<input
type="text"
id="pickUpLocation"
name="pickUpLocation"
class="penskeValidateField penskeGoogleTypeAhead penskeInlineError ng-pristine ng-isolate-scope ng-invalid ng-invalid-required placeholder ng-touched"
aria-invalid="true"
aria-required="true"
country="rentalEntryCtrl.formItems.country"
penske-validate-field="pickuplocation"
required=""
autocomplete="off"
data-penske-placeholder="rentalEntryCtrl.activePlaceHolders.pickUpLocation"
ng-model="rentalEntryCtrl.formItems.pickupLocationSearchCriteria.address"
autocompelete="off">
So of course I tried to copy the fields in the first code block into the second code block using setAttribute(), but even though I could change the attributes, I still couldn't get the form to submit properly.
I've looked at others that have dealt with something somewhat similar with autocorrect; their solutions have involved looking at the header and responses and just using the straight XHR to loop through the autocomplete queries, but the pricing information I'm scraping comes after several pages of form submissions, so that's not an option here.
I'm stuck I think; any ideas on how to populate the form and click the button/submit via my scraper?
As a security measure, if I replace the <button type="submit"> with a <a class="button"> will the form still work for bots?
Normally yes, unless you check server side for that button being submitted along with the form.
If the form still has an action attribute attached to it, then it can still be submitted.
Try this for example:
document.getElementById("yourform").submit()
This is quite a common question but the solutions I found in other people posts are either related to a specific browser (mostly firefox) or incorrect usage of names (name="U12-678132-34")
My issues are with browsers other then Firefox (Firefox all ways works).
The form that I use is pretty standard HTML form but the submission of it is done with javascript (jQuery AJAX).
Firefox all ways asks to remember the password (if it is a new user) and refills the form if you land on that same page again. But when it comes to Chrome/Safari/IE8-9 then they never request to save a password if the form is submitted with javascript.
(By the way I did check if the browsers dont have the - never remember passwords turned on)
My submit happens when you click on the link inside the form or if you just click the "ENTER" button on your keyboard, then it initiates the $.submit() method.
Is there a specific way that the submit needs to occur so that the browser would request to save a password like firefox does? or is there a way to at least tell a specific browser like Chrome/IE to force that type of request?
Form example:
<form class="loginform" method="post" action="">
<div class="inputfield">
<input name="email" type="text" class="emailaddress inputclass" value="" title="Email Address" />
</div>
<div class="inputfield">
<input name="password" type="password" class="password inputclass" title="Password" value="" />
</div>
<div class="submit">
<div class="checking">
<img src="/preloaders/login-preloader.png"/>
</div>
<input type="submit" name="submit" value="submit" style="display:none"/>
</div>
</form>
This is browser behaviour and can't really be changed. Firefox might be "smart" enough to offer to save passwords without the form actually being submitted, but that risks having buttons in the form also trigger that option even if the button does something different. So in my opinion, it's a bad thing for Firefox to do (I've had many problems with Firefox submitting forms even though it shouldn't).
If you really want the save password option to show up, use an iframe and submit to the iframe, instead of using AJAX. You could then use AJAX from the iframe to keep the old behaviour.
attach click event to your submit button
$('#id_of_submit').click(function() {
/your ajax logic
return false;
});
and on link
$('#id_of_your_link').click(function() {
$('#id_of_submit').click();
});
this will do the trick.
Looking at the answer accepted on here - How can I get browser to prompt to save password? - it seems that a valid action might help.
But i would suggest its down to browser behaviour and cannot be controlled by HTML and/or JavaScript. If you want to remember the values entered use a Cookie
As u r doing an AJAX post, then-
Remove the <form> tags
instead of <input type="submit", use button
take the field values & AJAX post- on button click event
it might do the trick.
One of the reason is that site should have a valid certificate. If it is not secured site, password save prompt will not appear after login.
I need to have a form submitted using the enter key, however, I have to use a BUTTON instead of SUBMIT as the type in order for the page to not refresh. How can I get my BUTTON to act as a SUBMIT and be executed whenever someone pushes their enter key?
<form>
<input type=text ...>
<input type=button ...>
</form>
A lot of the information I found about this mentions Netscape/IE/lots of outdated material.
This is my HTML output, I'm looking to hide the submit button and use ENTER:
http://i.stack.imgur.com/Ohepe.png
with Javascript enabled
<input type="button" onclick="this.form.submit()" ... />
should work
I have to use a BUTTON instead of SUBMIT as the type in order for the page to not refresh
Nah. Use a normal submit button that refreshes the page. (And ideally, for accessibility, make it work!) Then add progressive enhancement to replace the submission action of the form with something smoother when JS is available. Use return false (or event.preventDefault() in the DOM 2 Events model) to stop the form submitting in this case.
<form id="foo" method="POST" action="dosomething.script">
...
<input type="submit" value="Do something"/>
</form>
document.getElement('foo').onsubmit= function() {
beginAJAXSubmission();
return false;
};
Catching the submit event of a form is generally better than trying to pick up click on buttons, because it will always fire when the form would normally be submitted, including on Enter keypresses. click on the first submit button in a form will usually be fired on an Enter keypress, but there are cases (depending on number of controls in the form and what browser it is) where it doesn't happen and so you can end up falling through to actually submitting the form.
as other said, you have to use Javascript. I recommend JQuery framework.
But i don't understand the refresh thing?
Normal way is you hit submit and your form will be sent over a request to the server.
Server process the data and return a response (HTML/JSon..etc) this response will normally be redirect to a result page (to avoid the famous warning about re-post on refresh).
Now if your form is only a little piece of a bigger page, you might want to use ajax to post the little form and then take the result and update your DOM.
All this said, nothing prevent you to use submit type for the button, it is actually the best way to make your enter key defaut to this action. All you have to do is to use Jquery and intercept the submit of your form and make an ajax call instead of going the normal way.
you will find plenty of example to use JQuery since its probably the most used javascript framework.
Hope it help
I have a sign up page on my website. Now when a user signs up, the broswer will offer to remember the password and email on the sign up form. Which is not what I want at all, as I only want it where they will login.
Is there anyway to disable this, or is it out of my control.
<input type="post" autocomplete="off" />
autocomplete does not work.
Thanks,
You're setting the attribute on the <input> element - this should be an attribute of the <form> element.
A number of solutions can be found here:
Disable browser 'Save Password' functionality
Your best bet is probably using JavaScript to bypass the default form submission mechanism.
There isn't a completely bulletproof way to turn autocomplete off.
autocomplete is a non-standard tag. So YMMV depending on the browser.
Try setting the attribute on the form tag instead of the input tag. I've had it work when specified on the form tag in the past.