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From Brian LeRoux...@brian.io>
Subject Re: remotely loaded pages
Date Thu, 21 Aug 2014 17:30:50 GMT
phonegap-connect serves up remote cordova.js (negotiates the requestor to
send the right file)

no deaths yet!

https://github.com/phonegap/connect-phonegap/blob/master/lib/middleware/cordova/cordova.js#L29


On Wed, Aug 20, 2014 at 8:57 PM, Ally Ogilvie <aogilvie@wizcorp.jp> wrote:

> That's a good difference to point out.
>
> >My personal position is that scenarios where developer is in control and
> >loaded locally (i.e. directupdate, appmobi, spellcaster) is a valid
> >scenario for Cordova
>
> I agree, because as cordova.js and cordovaLib are version linked, it makes
> sense that once an index.html is pulled in, it's cordova.js to load is
> already in the client application.
> Loading an external cordova.js would be suicidal. So we save the file
> locally to write into it's <HEAD> our known path to codova.js
>
>
>
>
>
>
>
> On Thu, Aug 21, 2014 at 9:37 AM, Carlos Santana <csantana23@gmail.com>
> wrote:
>
> > I want to make clarification there is a notable difference between
> loading
> > a remotely-loaded *(non-local) *HTML pages with Cordova vs. a downloaded
> > webapp to be loaded from a *local* HTML.
> >
> > IBM Worklight has a feature "Direct update"
> >
> >
> http://www-01.ibm.com/support/knowledgecenter/api/content/SSZH4A_6.2.0/com.ibm.worklight.dev.doc/admin/c_direct_updates_app_versions_to_mob.html?locale=en
> >
> > The scenario is a download and local load of html/cordova. Similar
> scenario
> > as spellcaster and appmobi
> > For this scenario there is control from app developer of the code being
> > loaded.
> >
> > What Marcel is asking is a *non-local* load of arbitrary html/code not
> > control by developer, developer loading a free html page own someone else
> > and doing kind of a "document.location.replace('
> > http://somerandom.com/thisotherguy.html')"
> >
> > My personal position is that scenarios where developer is in control and
> > loaded locally (i.e. directupdate, appmobi, spellcaster) is a valid
> > scenario for Cordova. loading a random cordova.js directly from a
> non-local
> > random place not guarantee to be supported.
> >
> >
> >
> >
> > On Wed, Aug 20, 2014 at 12:07 PM, Brian LeRoux <b@brian.io> wrote:
> >
> > > Very much so. So much so, I think we should even consider such
> > > functionality as 'core'. Could dovetail w/ Serviceworker.
> > >
> > >
> > > On Wed, Aug 20, 2014 at 7:26 AM, Andrew Grieve <agrieve@chromium.org>
> > > wrote:
> > >
> > > > I think this is a very desired plugin that many end up re-writing,
> and
> > > it's
> > > > far better than setting the content src directly to a remote URL.
> > > >
> > > > E.g. just stumbled across this yesterday:
> > > > http://docs.appmobi.com/index.php/live-update/
> > > >
> > > >
> > > > On Wed, Aug 20, 2014 at 7:57 AM, Michal Mocny <mmocny@chromium.org>
> > > wrote:
> > > >
> > > > > Make it available Ally, of course that sounds interesting!
> > > > >
> > > > > I'm sure a few of us have suggestions for improvements too.
> > > > >
> > > > >
> > > > > On Wed, Aug 20, 2014 at 2:38 AM, Ally Ogilvie <aogilvie@wizcorp.jp
> >
> > > > wrote:
> > > > >
> > > > > > Marcel, Sorry for the late reply.
> > > > > >
> > > > > > For some games that I produce where the entire game is served
to
> > the
> > > > > client
> > > > > > (requires no .html in the application) we have a tool called
> > > > > "spellcaster".
> > > > > > Spellcaster handles internet connectivity, localisation and
> Cordova
> > > > code
> > > > > > injection. It works as follows:
> > > > > >
> > > > > > One simply adds an application URL to Cordova's config.xml in
> > > <content
> > > > > > src=YOUR_URL_HERE>
> > > > > >
> > > > > > - Spellcaster will check for an active internet connection.
If
> one
> > is
> > > > not
> > > > > > found Spellcaster will continue retrying at a set interval.
> > > > > > - Spellcaster downloads the content of the provided application
> URL
> > > and
> > > > > > stores to application cache (overriding any existing loader).
> > > > > > - Spellcaster injects Cordova script tags just after the <head>
> > tag.
> > > > > > - Spellcaster loads the new *loader into the WebView
> > > > > >
> > > > > > *loader is your html to load.
> > > > > >
> > > > > > Are people still in need of such a solution? I could have this
> code
> > > > made
> > > > > > public it just needs a public sanitise check. Spellcaster
> supports
> > > iOS
> > > > > and
> > > > > > Android.
> > > > > > For iOS it requires 1 line of code to be added to
> > > > > > didFinishLaunchingWithOptions.
> > > > > > For Android it requires these overrides in onCreate:
> > > > > >
> > > > > > @Override
> > > > > > public void onCreate(Bundle savedInstanceState) {
> > > > > >     super.onCreate(savedInstanceState);
> > > > > >     super.init();
> > > > > >
> > > > > > @Override
> > > > > > public void init() {
> > > > > > Spellcaster spellcaster = new Spellcaster();
> > > > > > spellcaster.init(this, Config.getStartUrl(), appView);
> > > > > > ...
> > > > > >
> > > > > > @Override
> > > > > > public void init(org.apache.cordova.CordovaWebView webView,
> > > > > >              org.apache.cordova.CordovaWebViewClient
> webViewClient,
> > > > > >              org.apache.cordova.CordovaChromeClient
> > webChromeClient)
> > > {
> > > > > >     super.init(webView, webViewClient, webChromeClient);
> > > > > >
> > > > > >     Spellcaster spellcaster = new Spellcaster();
> > > > > >     spellcaster.init(this, Config.getStartUrl(), webView);
> > > > > > ...
> > > > > >
> > > > > >
> > > > > > On Sat, Aug 2, 2014 at 2:17 PM, purplecabbage <
> > > purplecabbage@gmail.com
> > > > >
> > > > > > wrote:
> > > > > >
> > > > > > > It is great design for development, and netflix.
> > > > > > >
> > > > > > > Sent from my iPhone
> > > > > > >
> > > > > > > > On Aug 1, 2014, at 4:26 PM, Marc Weiner <
> mhweiner234@gmail.com
> > >
> > > > > wrote:
> > > > > > > >
> > > > > > > > It's technically possible, and even (arguably) legal
> according
> > to
> > > > > > Apple's
> > > > > > > > documentation, depending on the nature of the code
and how
> it's
> > > > > > > implemented:
> > > > > > > >
> > > > > > > > 3.3.2 An Application may not download or install executable
> > code.
> > > > > > > > Interpreted code may only be used in an Application
if all
> > > scripts,
> > > > > > code
> > > > > > > > and interpreters are packaged in the Application and
not
> > > > downloaded.
> > > > > > The
> > > > > > > > only exception to the foregoing is scripts and code
> downloaded
> > > and
> > > > > run
> > > > > > by
> > > > > > > > Apple's built-in WebKit framework, provided that such
scripts
> > and
> > > > > code
> > > > > > do
> > > > > > > > not change the primary purpose of the Application
by
> providing
> > > > > features
> > > > > > > or
> > > > > > > > functionality that are inconsistent with the intended
and
> > > > advertised
> > > > > > > > purpose of the Application as submitted to the App
Store.
> > > > > > > >
> > > > > > > > However, I would only do so if the code is coming
from a
> server
> > > > that
> > > > > > you
> > > > > > > > control, and if you are able to control what code
is getting
> > > > > executed.
> > > > > > > > Loading in 3rd party, unverified scripts into your
Cordova
> view
> > > is
> > > > a
> > > > > > big
> > > > > > > > "no-no" for security reasons, and could get your app
delisted
> > (or
> > > > > > > rejected).
> > > > > > > >
> > > > > > > > If anyone else has more information on the topic,
I'd be
> > > interested
> > > > > in
> > > > > > > > hearing it.
> > > > > > > >
> > > > > > > > Marc
> > > > > > > >
> > > > > > > >
> > > > > > > >> On Fri, Aug 1, 2014 at 7:01 PM, Victor Sosa <
> > > > sosah.victor@gmail.com
> > > > > >
> > > > > > > wrote:
> > > > > > > >>
> > > > > > > >> Hi Frederico.
> > > > > > > >>
> > > > > > > >> While what you are saying about the policies stores
is true,
> > > this
> > > > > > > applies
> > > > > > > >> to public stores only (as far as I can tell).
For on-premise
> > app
> > > > > > stores
> > > > > > > >> this might be false because each store owner need
to set and
> > > apply
> > > > > the
> > > > > > > >> governance for the apps. It could end on horrible
results
> due
> > > to a
> > > > > bad
> > > > > > > >> implementation.
> > > > > > > >>
> > > > > > > >> I concur with everyone, it is possible but awful
design
> > > > > > > >> On Aug 1, 2014 4:35 PM, "Frederico Galvão" <
> > > > > > > >> frederico.galvao@pontoget.com.br>
> > > > > > > >> wrote:
> > > > > > > >>
> > > > > > > >>> I don't have the details in hand at the moment,
but I
> > remember
> > > > > seeing
> > > > > > > in
> > > > > > > >>> more than one application store last year
policies being
> > > changed
> > > > to
> > > > > > > >>> disallow remote code to run in an application
on-demand.
> Such
> > > > rules
> > > > > > > >> *could*
> > > > > > > >>> as well be applied to Cordova apps that load
remote content
> > > > > > considered
> > > > > > > as
> > > > > > > >>> code (HTML isn't, but JS is). It's not only
a security
> > concern
> > > > per
> > > > > > se,
> > > > > > > >> but
> > > > > > > >>> also an imposed limitation on the stores (which
were
> > obviously
> > > > > > created
> > > > > > > >> for
> > > > > > > >>> security concerns in the first place).
> > > > > > > >>>
> > > > > > > >>> Not even mentioning the issues with providing
the right
> > > > cordova.js
> > > > > > > >> version
> > > > > > > >>> from the remote server not really knowing
where the request
> > > came
> > > > > > from.
> > > > > > > >>> However, it's good to note too that aside
Phonegap
> Developer
> > > App,
> > > > > > there
> > > > > > > >> is
> > > > > > > >>> also Adobe Hydration that does the exact same
thing as a
> side
> > > > > service
> > > > > > > to
> > > > > > > >>> Phonegap Build. I don't know if they've come
into any of
> the
> > > > issues
> > > > > > > >>> mentioned, and I haven't even heard of it
being used in
> > > > production.
> > > > > > > >>>
> > > > > > > >>>
> > > > > > > >>> 2014-08-01 17:36 GMT-03:00 purplecabbage <
> > > > purplecabbage@gmail.com
> > > > > >:
> > > > > > > >>>
> > > > > > > >>>> I agree with all your statements Marcel.
I use this
> approach
> > > > > > > frequently
> > > > > > > >>> in
> > > > > > > >>>> dev for fast turnaround.
> > > > > > > >>>> Ultimately App Store policies decide what
can and cannot
> be
> > > > done.
> > > > > > > >>>>
> > > > > > > >>>> Regarding security, there is nothing I
can do with a
> remote
> > > page
> > > > > > that
> > > > > > > I
> > > > > > > >>>> can't already do inside my app. It's an
issue of trust.
> > > > > > > >>>>
> > > > > > > >>>>
> > > > > > > >>>> Sent from my iPhone
> > > > > > > >>>>
> > > > > > > >>>>> On Aug 1, 2014, at 10:35 AM, Shazron
<shazron@gmail.com>
> > > > wrote:
> > > > > > > >>>>>
> > > > > > > >>>>> I agree that it is not recommended,
but it's possible. I
> > > delved
> > > > > > into
> > > > > > > >>>>> this question here:
> > > > > > > >>>>> https://github.com/shazron/phonegap-questions/issues/37
> > > > > > > >>>>>
> > > > > > > >>>>> The PhoneGap Developer App is an example
of how this is
> > > working
> > > > > at
> > > > > > > >>>>> http://app.phonegap.com but they do
some proxying to get
> > > > around
> > > > > > the
> > > > > > > >>>>> CORS limitations I believe.
> > > > > > > >>>>>
> > > > > > > >>>>>> On Fri, Aug 1, 2014 at 10:23 AM,
Marcel Kinard <
> > > > > > cmarcelk@gmail.com>
> > > > > > > >>>> wrote:
> > > > > > > >>>>>> I've been getting occasional questions
about users
> trying
> > to
> > > > use
> > > > > > > >>>> remotely-loaded (non-local) HTML pages
with Cordova (in
> the
> > > > > webview,
> > > > > > > >> not
> > > > > > > >>>> InAppBrowser), and still expecting to
have access to the
> > > plugin
> > > > > APIs
> > > > > > > >>>> (camera is a popular one). My response
so far is: "This is
> > an
> > > > > > > >> unsupported
> > > > > > > >>>> configuration, because Cordova was not
designed for this
> and
> > > the
> > > > > > > >>> community
> > > > > > > >>>> does no testing of this configuration.
While it can work
> in
> > > some
> > > > > > > >>>> circumstances, it is not recommended nor
supported."
> > > > > > > >>>>>>
> > > > > > > >>>>>> My definition of "unsupported"
is not that it is
> > incapable,
> > > > but
> > > > > > that
> > > > > > > >>> we
> > > > > > > >>>> don't claim that it is supposed to work,
and more
> > importantly,
> > > > we
> > > > > > > won't
> > > > > > > >>>> actively fix user-submitted defects on
this topic.
> > > > > > > >>>>>>
> > > > > > > >>>>>> The main concern I have on this
is same origin policy,
> and
> > > > > > matching
> > > > > > > >>> the
> > > > > > > >>>> remotely-served cordova.js with the locally-installed
> native
> > > > > Cordova
> > > > > > > >>>> platform to avoid version mismatch.
> > > > > > > >>>>>>
> > > > > > > >>>>>> Do you think I'm out in-the-weeds
on this, or do you
> > agree?
> > > > > > > >>>>>>
> > > > > > > >>>>>> If you agree, what would you think
of a blurb in
> > > cordova-docs
> > > > > > > >>> somewhere
> > > > > > > >>>> that captures this gist?
> > > > > > > >>>>>>
> > > > > > > >>>>>> Thanks for your feedback!
> > > > > > > >>>
> > > > > > > >>>
> > > > > > > >>>
> > > > > > > >>> --
> > > > > > > >>>
> > > > > > > >>> *Frederico Galvão*
> > > > > > > >>>
> > > > > > > >>> Diretor de Tecnologia
> > > > > > > >>>
> > > > > > > >>> PontoGet Inovação Web
> > > > > > > >>>
> > > > > > > >>>
> > > > > > > >>> ( +55(62) 8131-5720
> > > > > > > >>>
> > > > > > > >>> * www.pontoget.com.br <http://www.pontoget.com/>
> > > > > > > >>
> > > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > --
> > > > > > <http://www.wizcorp.jp/>Ally Ogilvie
> > > > > > Lead Developer - MobDev. | Wizcorp Inc. <http://www.wizcorp.jp/>
> > > > > > ------------------------------
> > > > > > TECH . GAMING . OPEN-SOURCE WIZARDS+ 81 (0)3-4550-1448 | Website
> > > > > > <http://www.wizcorp.jp/> | Twitter <https://twitter.com/Wizcorp>
> |
> > > > > > Facebook
> > > > > > <http://www.facebook.com/Wizcorp> | LinkedIn
> > > > > > <http://www.linkedin.com/company/wizcorp>
> > > > > >
> > > > >
> > > >
> > >
> >
> >
> >
> > --
> > Carlos Santana
> > <csantana23@gmail.com>
> >
>
>
>
> --
> <http://www.wizcorp.jp/>Ally Ogilvie
> Lead Developer - MobDev. | Wizcorp Inc. <http://www.wizcorp.jp/>
> ------------------------------
> TECH . GAMING . OPEN-SOURCE WIZARDS+ 81 (0)3-4550-1448 | Website
> <http://www.wizcorp.jp/> | Twitter <https://twitter.com/Wizcorp> |
> Facebook
> <http://www.facebook.com/Wizcorp> | LinkedIn
> <http://www.linkedin.com/company/wizcorp>
>

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