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#!/usr/bin/perl -w
#
#
# rhautoimport
#
# Copyright (C) 2009-2016 Christian Pointner <equinox@helsinki.at>
#
# This file is part of rhautoimport.
#
# rhautoimport 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
# any later version.
#
# rhautoimport 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 rhautoimport. If not, see <http://www.gnu.org/licenses/>.
#
use strict;
package rhautoimport;
use File::Basename;
use File::Temp;
use File::Slurp;
use IPC::Open3;
use IO::Handle;
use LWP::Simple;
use XML::Feed;
use RHRD::rddb;
use JSON::MaybeXS;
use constant {
RD_USER => 'autoimport',
RHIMPORTD_WATCH_DIR => '/run/rhimportd/watch',
RHIMPORTD_TIMEOUT => 10
};
sub get_dropboxes
{
my ($groupname) = @_;
my ($ctx, $status, $errorstring) = RHRD::rddb::init();
if(!defined $ctx) {
return ($ctx, $errorstring);
}
my @allowed_dbs = RHRD::rddb::get_dropboxes($ctx, RD_USER, $groupname, 'show');
RHRD::rddb::destroy($ctx);
return @allowed_dbs;
}
sub fetch_parse_rss
{
my ($url, $ua_str) = @_;
my $uri = URI->new($url);
$ua_str = "Radio Helsinki - Automatic Import" unless $ua_str;
my $ua = LWP::UserAgent->new;
$ua->agent($ua_str);
$ua->env_proxy;
my $res = URI::Fetch->fetch($uri, UserAgent => $ua);
return (undef, URI::Fetch->errstr) unless $res;
return (undef, "This feed has been permanently removed") if $res->status == URI::Fetch::URI_GONE();
my $xml = $res->content;
return XML::Feed->parse(\$xml);
}
sub check_file_extension
{
my ($file) = @_;
my $ext = uc((fileparse($file, qr/\.[^.]*/))[2]);
foreach (".MP3", ".OGG", ".FLAC", ".WAV") {
if($ext eq $_) {
return 1;
}
}
return 0;
}
sub parse_result
{
my ($donefile) = @_;
my $log = "";
my $result_json;
eval {
$result_json = read_file($donefile, binmode => ':utf8');
1;
} or do {
$log .= "!! error reading import result file !!\n";
unlink($donefile);
return (1, $log)
};
my $result;
eval {
my $j = JSON::MaybeXS->new(utf8 => 0);
$result = $j->decode($result_json);
1;
} or do {
$log .= "\n!! error parsing import result !!\n";
unlink($donefile);
return (1, $log);
};
my $response_code = %$result{'RESPONSE_CODE'};
my $error_string = %$result{'ERROR_STRING'};
my $cart = %$result{'CART_NUMBER'};
$cart = 0 unless defined($cart);
my $cut = %$result{'CUT_NUMBER'};
$cut = 0 unless defined($cut);
my $source_file = %$result{'SOURCE_FILE'};
if(!defined($response_code) || $response_code != 200) {
if(defined($error_string)) {
$log .= "rhimportd returnd error: " . $error_string . "\n";
} else {
$log .= "rhimportd return invalid result !!\n";
}
unlink($donefile);
return (1, $log);
}
$log .= "rhimportd returned: OK (Cart: " . $cart . ", Cut: " . $cut;
$log .= ", source file: '" . $source_file . "'" if(defined($source_file) && $source_file ne "");
$log .= ")\n";
unlink($donefile);
return (0, $log, $source_file);
}
sub import_uri
{
my ($show_id, $uri, $file_policy) = @_;
my %request;
$request{'LOGIN_NAME'} = RD_USER;
$request{'SHOW_ID'} = int($show_id);
$request{'CLEAR_SHOW_CARTS'} = JSON->true;
$request{'SOURCE_URI'} = $uri;
$request{'SOURCE_FILE_POLICY'} = $file_policy if $file_policy;
my $fh = File::Temp->new(TEMPLATE => 'rhautoimport-XXXXXXXX',
DIR => RHIMPORTD_WATCH_DIR,
SUFFIX => '.new');
return (1, "can't create request file in watchdir\n") unless($fh);
chmod(0660, $fh);
my $requestfile = $fh->filename;
my $log = "request file written to '$requestfile' ... ";
my $j = JSON::MaybeXS->new(utf8 => 0);
print $fh $j->encode(\%request);
print $fh "\n";
close $fh;
$requestfile =~ s/.new$//;
my $runningfile = $requestfile . ".running";
my $donefile = $requestfile . ".done";
$log .= "waiting for rhimportd to respond\n";
for my $i (1..RHIMPORTD_TIMEOUT) {
sleep(1);
last if(-e $runningfile || -e $donefile);
if($i >= RHIMPORTD_TIMEOUT) {
$log .= "!! timeout waiting for rhimportd ... is it running?\n";
unlink($requestfile);
return (1, $log);
}
}
$log .= "import is running ... waiting for result\n";
my $duration = 0;
while(1) {
last if(-e $donefile);
sleep(1);
$duration++;
}
$log .= "import is done ... took " . $duration . " seconds!\n";
my ($ret, $tmplog, $keptfile_uri) = parse_result($donefile);
return $ret, $log . $tmplog, $keptfile_uri;
}
sub pv_add_note
{
my ( $title, $text, $id, $date, $type, $index ) = @_;
my @script = ('python', '/srv/pv/pv/manage.py', 'addnote', $id, $date, $type);
push(@script , $index) unless (!defined $index);
my ($reader, $writer, $error ) = ( new IO::Handle, new IO::Handle, new IO::Handle );
$writer->autoflush(1);
local $SIG{CHLD} = 'DEFAULT';
my $pid = open3($writer, $reader, $error, @script);
binmode($reader, ":utf8");
binmode($writer, ":utf8");
binmode($error, ":utf8");
print $writer $title . "\n" . $text;
close $writer;
waitpid $pid, 0;
my $err_out = join('', <$error>);
my $read_out = join('', <$reader>);
if ( $? >> 8 ) {
my $log = "\n\nPV: adding note returned non-zero value\n";
$log .= "STDERR:\n" . $err_out . "\n" unless $err_out eq '';
$log .= "STDOUT:\n" . $read_out . "\n" unless $read_out eq '';
return(1, $log);
} else {
my $log = '';
$log .= $read_out . "\n" unless $read_out eq '';
$log .= $err_out . "\n" unless $err_out eq '';
return(0, $log);
}
}
1;
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