I am trying to get the current url from injected script but it seems impossible because of the permission.
From the official document, I got:
Injected scripts cannot access the SafariApplication or SafariExtension classes.
Is there any solution or w/a? Thanks.
Use window.location.href to get the URL of the page the script is injected into.
Scripts are injected into each iframe as well as the main page, so you might want to use a check like if (window == window.top) to if you are only interested in the main page.
Related
Inside my app, I'm using the WKWebView to display a website. My goal is, when user is pressing a button on this website, I want to stop an action linked to this event and replace it with my own, natively made (custom action outside the WKWebView). I've been trying to search for any solution to fetch mentioned event but unsuccessful. What more came to my mind, if there is a way to fetch a JavaScript in WKWebView, I have a possibility to add some JS script code to this site (not to delete the action I want to block). Thank you for any help.
First, do you have a permission to mess with this web site's behaviour? I assume you do, otherwise it is likely illegal.
Second, try using Safari Web Inspector with a device/simulator, and use the DOM tree and console tools to find out what is the HTML/javascript that is involved with this action on this site.
If you can't find what happens in HTML/JS yourself, feel free to post a new separate question on SO with your target URL, some HTML/JS code, and which link/action you want to replace. Tag the question with "javascript" and ask if it is possible to write some javascript to replace that particular action to some custom JS code.
Usually there are 2 types of actions: either it is something that provokes AJAX calls to a server API triggered by an event handler, or it is a plain HTML link that results in a web navigation. For both cases it is possible to write a JS script that overrides the action.
Finally, use WKUserScript to inject javascript into the page, and override the action. Use window.webkit.messageHandlers to send an event from your custom action to the app side. Use WKScriptMessageHandler to process the event in the Objective-C or Swift code.
See an example here: http://nshipster.com/wkwebkit/
I'm using an existing upload script that require user authentication. However since I did not write the upload script, it's nearly impossible for me to read the source code and make it into separate view and controller file. The problem is if the script does not get routed by the bootstrap file, it has no access to the Yii variable and thus user log in information.
I tried to set a custom session variable when the user login. However it work barely because my custom session would expire before the session set by Yii.
Any help would be appreciated.
Because of the way the script is written I've only been able to find one way of doing this. It will involve re-writing some elements of the script.
Save the filemanager in protected/vendors.
You need a controller to handle the routing of the request. This will also give you the access control that you need. Call it FileUpload and create it where you normally create controllers in your project. Right at the start of the controller, before the class is declared, import the fileUpload files from it's previously saved location; Yii::import('application.vendors.*');
You need an action to handle the incoming request. Call this actionIndex. Give it the following code.
public function actionIndex() {
//Start capturing the output from the script
ob_start();
require_once('filemanager/dialog.php');
//Finish capturing output, and save to a variable
$output = ob_end_clean();
$this->render('index', array('output' => $output));
}
Then you need a view file. Call it 'output.php' and it just contains one line; <?php echo $output; ?>
This will render the html generated by the script, and hopefully contain it within your existing template.
Your first problem is that the script sends headers which aren't discarded by ob_start. You will need to delete these from the script. It also starts a session, which will throw an error 'Session already started', which can be cured by changing the first line of config.php to
if(!isset($_SESSION))
{
session_start();
}
Your next problem will be that none of the scripts and stylesheets are loaded, because the vendor hasn't used relative filepaths, and also because you've just deleted the headers. You will need to re-write lots of the script to include the necessary files. Fortunately, you now have access to Yii functions, so can use the asset manager to publish all the js and css files needed by the script.
Your final (hopefully!) problem will be the urls used by the script page. Currently they are all pointing to files within the script. You will need to rewrite these to use Yii routing. Fortunately, inside the main file dialog.php you should have access to all the normal Yii functions, so you can set $baseUrl as $this->createUrl() etc. If you need to add extra actions to the controller you can follow the pattern above to call other files, like the upload.php file in the script.
Hope that all works for you!
You are using a Framework with mvc pattern so controllers are preferred way to route requests .As per your problem i would suggest you to use htaccess file to do the routing to the required file and handle other files by Yii
copy code from existing source to new Yii Controler/Action ... done :D
How can i navigate between different html pages using javascript?
I tried to use the below statement but it's not working. I have added a breakpoint and found that the below statement is executed.But still It doesn't display the page2.html.
WinJS.Navigation.navigate("page2.html", null);
Can anyone tell me why in what all scenarios it won't work ?
One option I found was iframe which I haven't tried yet.
This API isn't a specific page navigator; it's about loading the location as defined by the location service in WinJS:
http://msdn.microsoft.com/en-us/library/windows/apps/hh452768.aspx has the details on the specifics of using that model.
That stated, if you wish to use the normal Web model of a new page, either a normal link, or setting the window.location to the other page will cause a browser navigate.
I am trying to put together an application using yii-user and yii-eauth extensions but I am coming up short. When I create a new webapp and install eauth I can get it to work fine so I know that I am not doing anything wrong on that end. I think the problem lies with my urls. This is a demo of what it is supposed to be like: http://nodge.ru/yii-eauth/demo/login. When someone clicks on say google it should bring you to the google sign in page but on my application I am getting a 404 error that states "The system is unable to find the requested action "login"." The url for this is user/user/login/service/google_oauth whereas the url should read user/login/service/google_oauth. Upon typing this into the browser manually I am redirected to the right page.
So I took a look into the EAuthWidget.php class to see if I could find out where it was getting that extra "user" from but I could not figure it out. I think it may have something to do with the fact that I have this in the user module which is in the /modules/user directory in my webapp. I also tried to use the URLManager to point to the right address but with no luck.
Does anyone have any similar experiences setting this up? Or any suggestions?
You just need to change the widget initialization code in your view(namely change the action property of the widget), somewhat like this:
<h2>Do you already have an account on one of these sites? Click the logo to log in with it here:</h2>
<?php
$this->widget('ext.eauth.EAuthWidget', array('action' => 'login'));
?>
Just to add, keep in mind that this action depends on which view you are including this widget, if the view is protected/views/site/login.php (which is yii's default site login view) then action should be able to go to the yii-user module's login action, so it'll be : 'action'=>'/user/login' , however if you are including this widget in yii-user's protected/modules/user/views/user/login.php then the action will be 'login' as already mentioned.
I realize extensions are sandboxed to prevent collisions, but is there any way to access a web page's global objects from an extension script (i.e., not the extension's global HTML page, but the actual page that is loaded in the tab)?
It is possible -- and this may be the only way -- for an extension to access a web page's globals by inserting a <script> element into the DOM. Conversely, however, the inserted script will not be able to access the extension's objects.