Files
oddmuse/contrib/no-flickr.pl

132 lines
3.7 KiB
Perl

#! /usr/bin/perl -w
# Copyright (C) 2005-2016 Alex Schroeder <alex@gnu.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
use Modern::Perl;
use LWP::UserAgent;
use utf8;
binmode(STDOUT, ":utf8");
my $ua = LWP::UserAgent->new;
sub url_encode {
my $str = shift;
return '' unless $str;
utf8::encode($str); # turn to byte string
my @letters = split(//, $str);
my %safe = map {$_ => 1} ('a' .. 'z', 'A' .. 'Z', '0' .. '9', '-', '_', '.', '!', '~', '*', "'", '(', ')', '#');
foreach my $letter (@letters) {
$letter = sprintf("%%%02x", ord($letter)) unless $safe{$letter};
}
return join('', @letters);
}
sub get_raw {
my $uri = shift;
my $response = $ua->get($uri);
return $response->content if $response->is_success;
}
sub get_wiki_page {
my ($wiki, $id, $password) = @_;
my $parameters = [
pwd => $password,
action => 'browse',
id => $id,
raw => 1,
];
my $response = $ua->post($wiki, $parameters);
return $response->decoded_content if $response->is_success;
die "Getting $id returned " . $response->status_line;
}
sub get_wiki_index {
my $wiki = shift;
my $parameters = [
search => "flickr.com",
context => 0,
raw => 1,
];
my $response = $ua->post($wiki, $parameters);
return $response->decoded_content if $response->is_success;
die "Getting the index returned " . $response->status_line;
}
sub post_wiki_page {
my ($wiki, $id, $username, $password, $text) = @_;
my $parameters = [
username => $username,
pwd => $password,
recent_edit => 'on',
text => $text,
title => $id,
];
my $response = $ua->post($wiki, $parameters);
die "Posting to $id returned " . $response->status_line unless $response->code == 302;
}
my %seen = ();
sub write_flickr {
my ($id, $flickr, $dir, $file) = @_;
say "Found $flickr";
warn "$file was seen before: " . $seen{$file} if $seen{$file};
die "$file contains unknown characters" if $file =~ /[^a-z0-9_.]/;
$seen{$file} = "$id used $flickr";
my $bytes = get_raw($flickr) or die("No data for $id");
open(my $fh, '>', "$dir/$file") or die "Cannot write $dir/$file";
binmode($fh);
print $fh $bytes;
close($fh);
}
sub convert_page {
my ($wiki, $pics, $dir, $username, $password, $id) = @_;
say $id;
my $text = get_wiki_page($wiki, $id, $password);
my $is_changed = 0;
while ($text =~ m!(https://[a-z0-9.]+.flickr.com/(?:[a-z0-9.]+/)?([a-z0-9_]+\.(?:jpg|png)))!) {
my $flickr = $1;
my $file = $2;
write_flickr($id, $flickr, $dir, $file);
$is_changed = 1;
my $re = quotemeta($flickr);
$text =~ s!$flickr!$pics/$file!g;
}
if ($is_changed) {
post_wiki_page($wiki, $id, $username, $password, $text);
} else {
# die "$id has no flickr matches?\n$text";
}
sleep(5);
}
sub convert_site {
my ($wiki, $pics, $dir, $username, $password) = @_;
my @ids = split(/\n/, get_wiki_index($wiki));
for my $id (@ids) {
convert_page($wiki, $pics, $dir, $username, $password, $id);
}
}
our $AdminPass;
do "/home/alex/password.pl";
convert_site('https://alexschroeder.ch/wiki',
'https://alexschroeder.ch/pics',
'/home/alex/alexschroeder.ch/pics',
'Alex Schroeder',
$AdminPass);