[ale] How to drive Linux browser to make a campground sniper?

[Neal Rhodes]

Thanks for the reply. 

Note that this application requires the POST of a webpage, not just
passing parameters in the GET of a URL.   That POST behavior varies
based on the execution of the Javascript.   EG the Submit button invokes
this complex blob of Javascript that alters the target destination based
on the State of the campground and the phase of the moon and who know
what else. 

Thus a tool which detects that a stock page accessed via only a URL
wouldn't work. 



On Sun, 2018-01-14 at 10:27 -0600, Preston Boyington via Ale wrote:
> In the past I've used Distill web monitor plugin (Chrome), Follow That
> Page (website), and Changedetect (website).
> 
> Not exactly what you may have been looking for and possibly will give
> you false positives.
> 
> Preston
> 
> 
> On January 13, 2018 1:16:34 PM Neal Rhodes via Ale <ale at ale.org>
> wrote:
> 
> 
> > Boring "Real-World Details":
> > 
> > 
> >         So, we are planning a summer trip to Glacier National Park
> >         in Montana. 
> >         
> >         We would really like to camp at Many Glaciers Campground in
> >         the park.  However, at present,  all the sites are already
> >         reserved.   They are reserved through recreation.gov,
> >         starting 6 months to the day from today. 
> >         
> >         But we have a really strong impression that people initially
> >         book a long stretch, then later either reduce the duration
> >         once they get more specific plans, or cancel. 
> >         
> >         SO, we really want to detect if/when sites become available
> >         over the next 6 months and jump on it before someone else
> >         does. 
> >         
> >         There is someone who offers this as a service for $40 a
> >         reservation, irrespective of whether they are successful.
> >         
> > 
> > Exciting Technology Application: 
> > 
> > 
> >         Initially I looked at the HTML for their search page, with
> >         the thought of using "wget" to simulate the reservation
> >         request.   That increasingly looks like a fool's errand,
> >         assuming that they may have session cookies related to
> >         sign-on and other magic handshake crap that would be
> >         difficult to simulate.  And what happens when they alter
> >         their data fields? 
> >         
> >         Then I thought:  All I want to do is: 
> >         
> >                 Setup a browser window on our Centos 6 desktop, any
> >                 browser that understands https;
> >                 Run that browser through the responses to get it to
> >                 the search window on this campground, and put in all
> >                 the dates and related input. 
> >                 Then: 
> >                 
> >                         Run SOMETHING that will automate: 
> >                         
> >                                 Hit the Search Submit button;
> >                                 See if the resultant page contains
> >                                 "No Suitable availability"
> >                                 IF Not: Email me
> >                                 Sleep 15 minutes
> >                                 Rinse, Later, Repeat
> >                                 
> >         
> >         This sounds to me like a very elemental application of a
> >         test/control manager for a GUI interface.    If I can
> >         automate an existing browser, we can eliminate all the
> >         complexities of trying to fake out their web server. 
> >         
> >         Since this just sits on my desk in the basement, I can live
> >         with hard-coded screen coordinates. 
> >         
> >         What tools exist in Linux to do this? 
> >         
> > 
> > regards, 
> > 
> > Neal Rhodes
> > MNOP Ltd
> > 
> > 
> >                 
> > 
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