Android :: Android DefaultHttpClient Accept All Certificates For SSL Session
Oct 6, 2010
I am attempting to connect to a local HTTPS server using the apache DefaultHttpClient on a Android device.
CODE:.......
I am getting an error of "javax.net.ssl SSLException: Not trusted server certificate" when the .execute runs. I want to simply allow any certificate to work, regardless of if it is or is not in the android key chain.
I have spent about 40 hours researching and trying to figure out a workaround for this issue. I have seen many examples of how to do this but none so far have worked in Android; they seem to only work for JAVA. Does anyone know how to configure, or override the certificate validation used by the Apache HttpClient in Android so that it will just approve all certificates for a DefaultHttpClient connection?
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Mar 27, 2010
I am trying to maintain my session variables that I get back in a cookie from my website in my DefaultHttpClient by passing the client between activities. Simply put how can I pass this object between activities to maintain my session variables? Bundle.put... doesn't seem to support this object. If it does how does it work with DefaultHttpClient?
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May 18, 2010
Im using
CODE:.......
Now, since Cookie does not implement serializeable, I can't serialize that List.
specified my goal, not only the problem)
My goal is to use the DefaultHttpClient with persistent cookies.
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Apr 19, 2009
Detail Descriptioin: 1. When I use the same code to access "http://www.google.com", it works. 2. When I use the same code to access "https://www.google.com", it doesn't work and will throw IllegalArgumentException..............
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Mar 12, 2009
How i can set the timeout for a DefaultHttpClient? and which function i must override to handle the event?
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Mar 23, 2009
I'm looking for a way to get the certificates from a package that are used to sign it. Using the PackageInfo class it is possible to get the signatures. But what can I do with signatures if I don't get the public keys to verify these.
The next question I have where does the PackageInstaller verify the signed APK file? The PackageParser class loads the APK file into a JarFile object but does this automatically verify the signature?
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Oct 23, 2008
I'm using the Email application. I get a "non-trusted certificate" error when setting up mail for IMAP. This is expected because I generally self-sign my certs. Though, what is not expected is that there seems to be no mechanism to accept non-trusted server certificates. No self-sign certs? That's a deal breaker. There has got to be a work-a-round.
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Aug 12, 2010
Is there a way to view the Pre-Installed Root CA SSL Certificates in the Android OS? That is VeriSign, GeoTrust, Etc.
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Apr 21, 2010
From the signing documentation at http://developer.android.com/intl/zh-TW/guide/publishing/app-signing.html:
When the system is installing an update to an application, if any of the certificates in the new version match any of the certificates in the old version, then the system allows the update.
This indicates that an application can be signed with multiple certificates.
This is an interesting option to allow multiple entities to sign an application. e.g: A system application which was initially signed by the device's manufacturer. Further updates could be signed by the developer.
Am I misreading the documentation or is this really possible? If so, how?
Is there any other way for an application to support different certificates and with that, having two or more entities sign it?
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Jun 25, 2010
I am using httpclient for my android app and I have a local site which has a few https pages. Since default httpclient doesnot allow self-signed certificates I am using "EasySSLFactory" and "EasyX509TrustManager", which are mentioned in httpclient documentation.
CODE:.......
The problem is if I use this SSLFactory in my android app, I am getting correct response from my site's https pages, but I get "SSL handshake failure: I/O error during system call, Unknown error: 0" for sites such as "gmail.com", "ymail.com". If I don't use. "EasySSLSocketFactory" I get response from these sites but get exception for my site.
This page fetch code works fine as a standalone java application.
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Mar 24, 2010
I recently formatted my computer and updated to Windows 7. I backed up my keystore and tried to sign my apk with it but it gave me an error that said my certificate expires in 22yrs. which is just shy of what the market requires to upload the apk. So now I am stuck not being able to update my app... Is there a way to extend the lifetime of certificates so that I can update my app?
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Oct 31, 2010
I'm working on an Android app that requires both client and server certificate authentication. I have an SSLClient class that I created that works beautifully on regular desktop Java SE 6. I've moved it into my Android project and I'm getting the following error: "KeyStore JKS implementation not found".I've looked online a bit and it looks like there's a possibility that Java Keystores are not supported on Android (awesome!) but I have a feeling there's more to it than that because none of the sample code I've found resembles what I'm trying to do at all. Everything I found talks about using an http client rather than raw SSL sockets. I need SSL sockets for this application.
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Aug 25, 2010
This is a follow up question of http://stackoverflow.com/questions/3550593/sending-html-commands-over-httpclient-android , I have successfully Posted to the server and received 200 code but when I attempt to move to another page it does not recognize that I have logged in. I am wondering if it is a session issue or if i need to follow the redirect after the POST. How would I go about following a redirect?
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Nov 19, 2010
I make an app with some activities.
The first is the login.
If I login correctly, I pass to the second activity, and I want download a stream (like twitter), but I cannot keep the session.
I saved user & pass in sharedpreferences, how can i keep the session through all activities?
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Apr 9, 2010
I have an app that requires user to register. I've got the app conected to PHP in my server to do the logic of register/login and so, this is not problem at all.
But, I want to keep a session of the user in local, so the user doesn't have to login again every time he runs the app.
So, I want something like this:
First time user, he opens the app, register and login. Do some stuff with the app and closes it. Open the app again, the user is recognized so he doesn't need to login again.
I only need to store an ID and a Username (both fetched from the DB in the login php method). What's the best way to do this?
I've thought about doing a custom preference, store the data in files or even a local DB (sqlite).
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Mar 15, 2010
The user must login through the WebView. Of course, the session is for that WebView.But, what if I need to make REST API calls during my Android application?Those REST API calls need the session to be authenticated , otherwise those will not work. Is there any way I can attach the cookies of WebView into everything I do in Android?
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Oct 23, 2009
I did some modification about the java code and AndroidManifest.xml of "com.android.settings" package.
Then I ran the emulator like this: make; lunch 1; emulator &
When PackageManagerService was scanning the "/system/app/Settings.apk" packages at boot time, it reported an error that "com.android.settings has no certificates at entry AndroidManifest.xml".
I guess my modified "Settings.apk" could not pass the signature verify.
How can I run my modified "Settings.apk" successfully?
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Jan 13, 2010
Can any one tell me how can we clear browse session history.We have api called Browser.ClearHistory(),this will delete entire records but i want to delete history of browsing session.
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Mar 30, 2010
I've got a problem with my application when I make a number of requests using the HttpsUrlConnection class.
My program makes the first request using the HttpsUrlConnection class to retrieve a file. It then makes a second request to the same server to retrieve a different file. What happens however is that periodically I'm getting a -1 HTTP response code on the connection.
When the failure occurs between the two requests I see the following line of trace in logcat:
D/OpenSSLSessionImpl( 699): Freeing OpenSSL session
This seems to happen fairly consistently. If I retry the second request after it has failed it generally works and I get the requested file from the server.
Note that if I don't see the OpenSSL session being freed the second request works fine the first time.
Some other information:
1) I'm not calling disconnect on the connection
2) I'm don't always read the entire file from the server after the first request
3) I always close the InputStream in the event that I get an InputStream on the first connection
How to prevent the OpenSSL session from being freed.
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Oct 28, 2010
I'm trying to avoid that when a user has connected to Facebook from my webview, the next time he do it, doesn't need to put the email and password. but doesn't work. That cookie I suppose that is not valid because the user has to put his username and his password again and after login, I get a different cookie that the one I had stored. What I'm doing wrong? Is there another way to accomplish that?
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Feb 26, 2009
Ok I am at the end of my rope. I am doing some image processing. I have a large image file which I open and create a smaller bitmap from. At the end of processing I call recycle on everything. I null everything. I run GC manually.
I then try edit another image and I get an out of VM memory error. Bitmap exceeds etc etc.
I am looking at the heap and the secone edit doesn't seem to cause it to increase at all.
What else can I do. Surely google cannot possibly be suggesting that we can open one large bitmap per session and thats it?
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Apr 15, 2010
Trying to get HTTPS working with the HttpClient. I can't seem to find an example anywhere that works for me. Basically, I want my client to accept any certificate (because I'm only ever pointing to one server) but I keep getting a javax.net.ssl.SSLException: Not trusted server certificate exception.
So this is what I have:
CODE:.............
And here's the error I'm getting:
CODE:................
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Jun 23, 2010
I am using Ksoap2-Android for consuming the WCF Services.
For the dotnet client we keep the allowCookies="true" in our binding configuration and it sends the same sessionid and keeps my sessions intact in my WCF services (My services are
interdependent and use the sessions).
Any one know any such setting for ksoap2-android, that will allow me to consume the
WCF service keeping my session intact on the server.
Currently when i make a new call to the service, the sessionid gets changed and all my
session variables clear out and loose their values.
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Sep 25, 2010
Can anyone please recommend a training session/course for Android graphics API/OpenGL ES?
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Aug 4, 2010
For example, I want my users to be able to click a button "Get new quote" which will start a new row in the the database for data to start being stored, but I'm unsure of how to store activity independent (or cross activity) data, like the _id of the row, which I will need to requery and update the row when new data becomes available on subsequent activities. What's the name of this mechanism and how is it done?
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Oct 15, 2010
I'm developing an app using android 2.1. I have a problem with using session cookies to login to a RESTful web service. The code works fine on the emulator, but when I run it on my HTC Magic, the cookie logic doesn't work. I've confirmed that the magic is receiving cookies in the headers by listing them (see attached). Can anyone say why the cookie store would be empty even tho they are in the headers?
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Apr 21, 2010
I'm writing an application consisting of several activities and, on restarts, I'd like the application to initially display the application's activity that was the last to display in the application's previous session.
I save information about the last activity in SharedPreferences and I'm trying to start that last activity with a call to startActivity(intent) from my Application's onCreate handler.
The problem is that if I don't set the intent's FLAG_ACTIVITY_NEW_TASK, the result is a run-time exception message in logcat suggesting that I should set the flag. And if I set that intent flag, the correct activity gets started but doesn't fully initialize resulting in null pointer exceptions (which don't occur when I don't attempt to start the activity from my Application class).
CODE:...........
Calling startActivity() from outside of an Activity context requires the FLAG_ACTIVITY_NEW_TASK flag. Is this really what you want?
How to correctly start a particular activity from the Application class's onCreate handler?
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Apr 23, 2010
The Facebook application that came loaded on my Droid has been working fine for 2 months. This afternoon, at first I couldn't access anything that had posted since this morning. Now I can't get anything at all. I keep getting an error message: "102/Session Key invalid or no longer valid" And it even happens when I try to go to my profile!
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Jan 9, 2010
We're designing an Android app that has several activities which are working in a wizard like way - user should pass from the activity #1 to activity #5 to get to the final activity (#6).
Since we know an activity can be suddenly terminated by OS on low memory we used Application class as a static storage for keeping the data the user inputs on "wizard" activities and other data our app needs for the whole session.
Unfortunately we've discovered this approach fails - looks like the Application class instance is also can be killed by OS (this was specifically discovered on Android 1.6 versus 1.5). Are our expectations wrong on this approach (we think Application class instance always lives for the whole app session)?
So the question is - what is the best practices on Android to keep data between activities deathes/restarts for the whole application session?
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Nov 28, 2009
My work has free Wifi available for patients and whoever but you must first sign in on a main page it redirects to if your not already. Here to sign in you must accept a security certificate to be able to do this. It worked on my Droid the first day I did this and now I cannot get it to work, says it cannot redirect with no connection. Now this has happened before with my laptop and I just remove the certificate and it gets a new one and off I go. My question is where can I find these so I can delete it on the droid?
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