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#!/usr/local/bin/perl -w # # This script was written for [Ovid] to update his homenode with the # latest statistics from SETI@Home. It is easily adapted to other # tasks where a user wants to automate updating information on their # homenode. # # To use, first BACKUP YOUR HOMENODE (mark'n'copy, then save it in a # text file, in case something happens). Insert a pair of tags where + # you want the text to be inserted in your homenode. The tag pair is # <!--StartTag--><!--EndTag-->. When the script runs, it searchs for # this tag pair, and replaces anything between them with the new text +. # # If the tags don't exist, it will create them at the top of the page +, # and (hopefully) not wreck any existing text. # # To run the script, it's: setiupdate -u username -p password [-s] [- +v] # # -s tells the script to set the significant update check box. (Note # that for some reason, either the PM HTML, or the HTML::Form module, # a warning is generated. It won't go away. If you fix it, let me # know). # # -v says be a little more verbose, and tell me what each stage of th +e # process is. Not recommended for cron jobs. # # To use this for non-SETI@Home stuff, just cut out the SETI related # code, and insert your own. As world-class Perl programmers who spe +nd # 1/2 their life at www.perlmonks.org, this should be trivial. # # As usual, any bugs(!) should be report to me, please. Any complain +ts # to /dev/null, or /msg merlyn, and he'll re-write this thing in 10 # lines, point out the security holes, then write it up in the Web # Techniques column (just kidding, dude!) # use strict; use Carp; use LWP::UserAgent; use LWP::Simple; use HTTP::Cookies; use URI::Escape; use Getopt::Std; use HTML::Form; use vars qw($def_username $def_password $def_supdate $def_verbose); use vars qw($pmsite $setisite); use vars qw($globalCookieJar $globalUserAgent); $def_username = ''; $def_password = ''; $def_supdate = 0; $def_verbose = 0; $pmsite = 'http://www.perlmonks.org/index.pl'; $setisite = 'http://setiathome.ssl.berkeley.edu/cgi-bin/cgi?cmd=te +am_show&id=86606'; # # # { my %args = (); getopts ('?hu:p:Psv', \%args); if ($args{'?'} || $args{h} || !scalar keys %args) { usage (); exit; } if ($args {P}) { local $| = 1; print "Password: "; $args {p} = <STDIN>; chomp ($args{p}); } my $username = $args {u} || $def_username; my $password = $args {p} || $def_password; my $supdate = $args {s} || $def_supdate; my $verbose = $args {v} || $def_verbose; $username or die "No username. Program terminated.\n"; $password or die "No password. Program terminated.\n"; # # Need these globally, so instantiate one of each # $globalCookieJar = HTTP::Cookies->new; $globalUserAgent = LWP::UserAgent->new; print "\n", scalar localtime, " - Retrieving SETI statistics...\n" +if $verbose; my $setistats = do_get_seti_stats () || die "Eeek! Can't get the SE +TI stats page\n"; print scalar localtime, " - Logging into www.perlmonks.org...\n" if + $verbose; login ($username, $password) or die "Eeek! Can't login into perlmon +ks? Wrong username or password?\n"; print scalar localtime, " - Loading update homenode page...\n" if $ +verbose; my $uri = common_HTTP_request ("displaytype=edit&node=$username&typ +e=user"); print scalar localtime, " - Updating homenode page...\n" if $verbos +e; do_update_homenode ($setistats, $supdate, $uri); print scalar localtime, " - Update complete...\n\n" if $verbose; } # # # sub do_get_seti_stats { @_ == 0 or croak "Incorrect number of parameters"; $LWP::Simple::FULL_LWP = 1; my $page = get ($setisite); return unless ($page); $page =~ s/.*?(<table )/$1/s; return $page; } # # # sub do_update_homenode { @_ == 3 or croak "Incorrect number of parameters"; my ($newtext, $significantupdate, $uri) = @_; my $content = $uri->content; my @forms = HTML::Form->parse ($content, $uri->base); foreach my $form (@forms) { if ($form->find_input ('displaytype', 'hidden')) { my $currentPage = $form->value ('user_doctext'); if ($currentPage !~ /(<!--StartTag-->)(?:.*?)(<!--EndTag-->)/ +si) { $currentPage = "<!--StartTag-->\n$newtext\n<!--EndTag-->\n +$currentPage"; } else { $currentPage =~ s/(<!--StartTag-->)(?:.*?)(<!--EndTag-->)/ +$1\n$newtext\n$2/si; } $form->value ('user_doctext', $currentPage); $form->value ('significantupdate', 'on') if $significantupdat +e; my $res = $globalUserAgent->request ($form->click); die sprintf ("Eeek! Request failed (%s)\n", $res->status_line +) unless ($res->is_success); return; } } die "Eeek! Can't find the form (is this the right page?)\n"; } # # Log the user in, and extract his cookies. # sub login { @_ == 2 or croak "Incorrect number of parameters"; my ($username, $password) = @_; my $req = HTTP::Request->new (POST => $pmsite); $req->content_type ('application/x-www-form-urlencoded'); $req->content ("user=$username&passwd=$password&op=login"); my $res = $globalUserAgent->request ($req); die sprintf ("Eeek! Request failed (%s)\n", $res->status_line) if ! +$res->is_success; $globalCookieJar->extract_cookies ($res); $globalUserAgent->cookie_jar ($globalCookieJar); return (($globalCookieJar->as_string () =~ m/userpass/i ? $res : un +def)); } # # # sub common_HTTP_request { @_ == 1 or croak "Incorrect number of parameters"; my $contentdata = shift; my $req = HTTP::Request->new (POST => $pmsite); $req->content_type ('application/x-www-form-urlencoded'); $req->content ($contentdata); $globalCookieJar->add_cookie_header ($req); my $res = $globalUserAgent->request ($req); return $res if ($res->is_success); die sprintf ("Eeek! Request failed (%s)\n", $res->status_line); } # # # sub usage { print <<'ENDOFHELP'; usage: setiupdate.pl [-h | -?] [-u username] [-p password] [-P] [-s] [ +-v] Update a tagged space in a homenode with SETI@Home statistics -? this help list -h this help list -u username user name on Perlmonks.org -p password password for user -P forces interactive prompt for password. -s sets significant update checkbox -v be verbose about what's going on -P overrides -p or script defaults. The script can be edited to set defaults for username and password. ENDOFHELP }

In reply to Homenode Updater by jcwren

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