+# (c) 2007 by Ralf Ertzinger <ralf@camperquake.de>
+# licensed under GNU GPL v2
+#
+# Grabber for youtube.com/de/...
#
# download strategy revised using
# http://www.kde-apps.org/content/show.php?content=41456
-package YouTubeGrabber;
+package videosite::YouTubeGrabber;
-use GrabberBase;
-@ISA = qw(GrabberBase);
+use videosite::GrabberBase;
+@ISA = qw(videosite::GrabberBase);
-use LWP::Simple qw(!get);
-use HTML::Parser;
+use HTML::TokeParser;
+use HTML::Entities qw(decode_entities);
+use Encode;
use Data::Dumper;
+use videosite::JSArrayParser;
use strict;
+my %preflist = (
+ 'insane' => [38, 37, 22, 35, 18, 34, 6, 5, 43],
+ 'hd' => [37, 22, 35, 18, 34, 6, 5, 38, 43],
+ 'h264' => [18, 34, 37, 22, 35, 6, 5, 38, 43],
+ 'high' => [34, 35, 18, 37, 22, 6, 5, 38, 43],
+ 'normal' => [6, 5, 34, 35, 18, 22, 37, 38, 43]);
+my %videoformats = (
+ 43 => 'webm',
+ 38 => 'mp4,h264,4k',
+ 37 => 'mp4,h264,1080p',
+ 35 => 'flv,h264,large',
+ 34 => 'flv,h264',
+ 22 => 'mp4,h264,720p',
+ 18 => 'mp4,h264',
+ 5 => 'flv,flv',
+ );
+
sub new {
my $class = shift;
my $self = $class->SUPER::new();
$self->{'NAME'} = 'youtube';
- $self->{'PATTERNS'} = ['(http://(?:[-a-zA-Z0-9_.]+\.)*youtube.(?:com|de|co.uk)/watch\?(?:.+=.+&)*v=([-a-zA-Z0-9_]+))',
- '(http://(?:[-a-zA-Z0-9_.]+\.)*youtube.(?:com|de|co.uk)/v/([-a-zA-Z0-9_]+))'];
+ $self->{'PATTERNS'} = ['(https?://(?:[-a-zA-Z0-9_.]+\.)*youtube\.(?:com|de|co.uk)/watch(?:_popup)?\?(?:.+=.+&)*v=([-a-zA-Z0-9_]+))',
+ '(https?://(?:[-a-zA-Z0-9_.]+\.)*youtube\.(?:com|de|co.uk)/watch\#\!v=([-a-zA-Z0-9_]+))',
+ '(https?://(?:[-a-zA-Z0-9_.]+\.)*youtube\.(?:com|de|co.uk)/v/([-a-zA-Z0-9_]+))',
+ '(https?://(?:[-a-zA-Z0-9_.]+\.)*youtube\.(?:com|de|co.uk)/user/[[:alnum:]]+\?v=([-a-zA-Z0-9_]+))',
+ '(https?://(?:[-a-zA-Z0-9_.]+\.)*youtube\.(?:com|de|co.uk)/(?:user/)?[[:alnum:]]+#p/(?:\w+/)+\d+/([-a-zA-Z0-9_]+))',
+ '(https?://(?:[-a-zA-Z0-9_.]+\.)*youtu\.be/watch\?v=([-a-zA-Z0-9_]+))',
+ '(https?://(?:[-a-zA-Z0-9_.]+\.)*youtu\.be/([-a-zA-Z0-9_]+))',
+ '(https?://(?:[-a-zA-Z0-9_.]+\.)*youtube\.(?:com|de|co.uk)/user/\w+\?.*/([-a-zA-Z0-9_]+))'];
+ $self->{'_PARAMS'} = {
+ 'QUALITY' => ['normal', 'Quality of the video to download.', {
+ 'normal' => 'standard resolution flash video',
+ 'high' => 'higher resolution flash video',
+ 'h264' => 'high resolution MPEG4 video',
+ 'hd' => 'HD720 resolution'}],
+ 'USERNAME' => ['', 'Username to use for YouTube login'],
+ 'PASSWORD' => ['', 'Password to use for YouTube login']};
bless($self, $class);
$self->_prepare_parameters();
my $self = shift;
my $url = shift;
my $pattern = shift;
+ my $id;
+ my $res;
+
+ my $url =~ m|$pattern|;
+ my $url = $1;
+ my $id = $2;
+
+ $self->debug("Matched id %s from pattern %s", $id, $pattern);
+
+ $res = $self->_parse_by_video_info($url, $id);
+ if (defined($res) && ref($res)) {
+ return $res;
+ } else {
+ $res = $self->_parse_by_scrape($url, $id);
+ }
+
+ return $res;
+}
+
+sub _parse_by_video_info {
+ my $self = shift;
+ my $url = shift;
+ my $id = shift;
+ my $quality = $self->_getval('QUALITY');
+ my $metadata;
+ my $videourl;
+ my $ua = $self->ua();
+ my $preflist;
+ my $r;
+ my $content;
+ my $urls;
+
+ $metadata->{'URL'} = $url;
+ $metadata->{'ID'} = $id;
+ $metadata->{'TYPE'} = 'video';
+ $metadata->{'SOURCE'} = $self->{'NAME'};
+ $metadata->{'TITLE'} = undef;
+ $metadata->{'DLURL'} = undef;
+ $metadata->{'COOKIE'} = undef;
+
+ $preflist = $preflist{$quality};
+ $self->debug("Quality: %s, preflist: [%s]", $quality, join(", ", @{$preflist}));
+
+ $videourl = sprintf('https://www.youtube.com/get_video_info?video_id=%s&eurl=%s',
+ $id, 'http%3A%2F%2Fwww%2Eyoutube%2Ecom%2F');
+ $self->debug("Video info URL: %s", $videourl);
+
+ $r = $ua->get($videourl);
+ unless($r->is_success()) {
+ $self->debug('Could not download %s: %s', $videourl, $r->code());
+ return undef;
+ }
+
+ $content = $r->content();
+ $self->debug('Content from get_video_info: %s', $content);
+
+ # Decode content
+ $content = { split /[&=]/, $content };
+
+ if ($content->{'status'} ne 'ok') {
+ $self->debug("Non OK status code found: %s", $content->{'status'});
+ return undef;
+ }
+
+ unless(exists($content->{'fmt_url_map'}) and exists($content->{'title'})) {
+ $self->debug("No fmt_url_map or no title found");
+ return undef;
+ }
+
+ # Decode fmt_url_map
+ $urls = $content->{'fmt_url_map'};
+ $urls =~ s/%(..)/chr(hex($1))/ge;
+ $urls = { split /[\|,]/, $urls };
+
+ $self->__pick_url($urls, $preflist, $metadata);
+
+ $metadata->{'TITLE'} = $content->{'title'};
+ $metadata->{'TITLE'} =~ s/\+/ /g;
+ $metadata->{'TITLE'} =~ s/%(..)/chr(hex($1))/ge;
+ $metadata->{'TITLE'} = decode("utf8", $metadata->{'TITLE'});
+
+ $self->debug('Title found: %s', $metadata->{'TITLE'});
+
+ unless(defined($metadata->{'DLURL'}) && defined($metadata->{'TITLE'})) {
+ $self->error('Could not determine download URL');
+ return undef;
+ }
+
+ return $metadata;
+}
+
+sub _parse_by_scrape {
+ my $self = shift;
+ my $url = shift;
+ my $id = shift;
my $content;
my $metadata = {};
- my $p = HTML::Parser->new(api_version => 3);
- my @accum;
- my @text;
+ my $p;
my $e;
-
- $url =~ m|$pattern|;
- $url = $1;
+ my $tag;
+ my $ua = $self->ua();
+ my $r;
+ my $videourl;
+ my $quality = $self->_getval('QUALITY');
+ my $preflist;
+ my $jsp;
$metadata->{'URL'} = $url;
- $metadata->{'ID'} = $2;
- $metadata->{'TYPE'} = 'youtube';
+ $metadata->{'ID'} = $id;
+ $metadata->{'TYPE'} = 'video';
+ $metadata->{'SOURCE'} = $self->{'NAME'};
$metadata->{'TITLE'} = undef;
$metadata->{'DLURL'} = undef;
+ $metadata->{'COOKIE'} = undef;
+
- unless(defined($content = LWP::Simple::get(sprintf('http://youtube.com/watch?v=%s', $2)))) {
+ $preflist = $preflist{$quality};
+ $self->debug("Quality: %s, preflist: [%s]", $quality, join(", ", @{$preflist}));
+
+ $videourl = sprintf('https://www.youtube.com/watch?v=%s', $id);
+
+ unless(defined($r = $ua->get($videourl))) {
$self->error('Could not download %s', $url);
return undef;
}
- $p->handler(start => \@accum, "tagname, attr");
- $p->handler(text => \@text, "text");
- $p->report_tags(qw(meta script));
- $p->utf8_mode(1);
- $p->parse($content);
-
- # Look for the title in the meta tags
- foreach $e (@accum) {
- if ('meta' eq $e->[0]) {
- if ('title' eq $e->[1]->{'name'}) {
- $metadata->{'TITLE'} = $e->[1]->{'content'};
- }
+ if ($r->base->as_string() =~ m,/verify_age,) {
+ $self->debug('Video requires age verification');
+ my @logindata = $self->__login($videourl, $ua);
+ $r = $logindata[0];
+ $metadata->{'COOKIE'} = $logindata[1];
+ unless(defined($r)) {
+ $self->error('Could not log into YouTube');
+ return undef;
}
}
+ $content = $r->content();
+
+ $p = HTML::TokeParser->new(\$content);
+
+ SWF_ARGS: while ($tag = $p->get_tag('div', 'meta', 'script')) {
+ if ('meta' eq $tag->[0]) {
+ if (exists($tag->[1]->{'name'}) and ('title' eq $tag->[1]->{'name'})) {
+ $metadata->{'TITLE'} = $tag->[1]->{'content'};
+ # Convert HTML entities in the title. This is a bit convoluted.
+ $metadata->{'TITLE'} = decode_entities(
+ decode("utf8", $metadata->{'TITLE'}));
+
+ $self->debug('Title found: %s', $metadata->{'TITLE'});
+ }
+ } elsif ('script' eq $tag->[0]) {
+ my %urls;
+
+ $e = $p->get_text();
+ $self->debug("Found script: %s", $e);
+
+ if ($e =~ m|\x27SWF_ARGS\x27:\s+(.+),|) {
+ my $args = $1;
+
+ $self->debug("Found SWF_ARGS: %s", $args);
+ $jsp = videosite::JSArrayParser->new();
+ $self->debug("Using %s to parse", ref($jsp));
+ $r = $jsp->parse($args);
+
+ unless(defined($r)) {
+ $self->error("Found information hash, but could not parse");
+ return undef;
+ }
+
+ if (exists($r->{'fmt_url_map'}) and ($r->{'fmt_url_map'} ne '')) {
+ my $urls = $r->{'fmt_url_map'};
+
+ $self->debug("Video has fmt_url_map: %s", $urls);
+
+ $urls =~ s/%([[:xdigit:]]{2})/chr(hex($1))/ge;
+ %urls = split(/[\|,]/, $urls);
+ $self->debug("Pagetype: old (SWF_ARGS), fmt_url_map");
+
+ } elsif (exists($r->{'t'}) and ($r->{'t'} ne '')) {
+ my $thash = $r->{'t'};
- # Look for the download URL
- foreach $e (@text) {
- if ($e->[0] =~ m|/watch_fullscreen\?(.*)\&fs|) {
- $metadata->{'DLURL'} = 'http://www.youtube.com/get_video.php?' . $1;
+ if (exists($r->{'fmt_map'}) && ($r->{'fmt_map'} ne '')) {
+ my $fmt = $r->{'fmt_map'};
+ my @fmt;
+
+ $self->debug('Video has fmt_map');
+ $fmt =~ s/%([[:xdigit:]]{2})/chr(hex($1))/ge;
+ @fmt = split(/,/, $fmt);
+ foreach (@fmt) {
+ @_=split(/\//);
+ $urls{$_[0]} = sprintf('http://www.youtube.com/get_video?video_id=%s&fmt=%d&t=%s',
+ $metadata->{'ID'},
+ $_[0],
+ $thash);
+ }
+ $self->debug("Pagetype: 2009 (SWF_ARGS), t with fmt_map");
+
+ } else {
+ $urls{5} = sprintf('http://www.youtube.com/get_video?video_id=%s&t=%s',
+ $metadata->{'ID'},
+ $thash);
+ $self->debug("Pagetype: 2009 (SWF_ARGS), t without fmt_map");
+ }
+ } else {
+ $self->error('Neither fmt_url_map nor t found in video information hash');
+ return undef;
+ }
+ } elsif ($e =~ m|var swfHTML = .*fmt_url_map=([^\&]+)\&|) {
+ my $urls = $1;
+ $self->debug("Video has fmt_url_map: %s", $urls);
+
+ $urls =~ s/%([[:xdigit:]]{2})/chr(hex($1))/ge;
+ %urls = split(/[\|,]/, $urls);
+ $self->debug("Pagetype: 2010 (swfHTML), fmt_url_map");
+ } elsif ($e =~ m|\x27PLAYER_CONFIG\x27:\s+(.+)\}\);|) {
+ my $args = $1;
+ $self->debug("Found PLAYER_CONFIG: %s", $args);
+
+ $jsp = videosite::JSArrayParser->new();
+ $self->debug("Using %s to parse", ref($jsp));
+ $r = $jsp->parse($args);
+
+ unless(defined($r)) {
+ $self->error("Found information hash, but could not parse");
+ return undef;
+ }
+
+ if (exists($r->{'args'}) and exists($r->{'args'}->{'ps'}) and ($r->{'args'}->{'ps'} eq 'live')) {
+ $self->error("Video URL seems to point to a live stream, cannot save this");
+ return undef;
+ }
+
+ if (exists($r->{'args'}) and exists($r->{'args'}->{'fmt_url_map'}) and ($r->{'args'}->{'fmt_url_map'} ne '')) {
+ my $urls = $r->{'args'}->{'fmt_url_map'};
+
+ $self->debug("Video has fmt_url_map: %s", $urls);
+
+ %urls = split(/[\|,]/, $urls);
+ foreach (keys(%urls)) {
+ my $u = $urls{$_};
+ $u =~ s/%([[:xdigit:]]{2})/chr(hex($1))/ge;
+ $urls{$_} = $u;
+ }
+ $self->debug("Pagetype: 2011 (PLAYER_CONFIG), fmt_url_map");
+ } else {
+ $self->error('fmt_url_map not found in PLAYER_CONFIG');
+ return undef;
+ }
+ }
+
+ if (%urls) {
+ $self->__pick_url(\%urls, $preflist, $metadata);
+ last SWF_ARGS;
+ }
+ } elsif ('div' eq $tag->[0]) {
+ if (exists($tag->[1]->{'id'}) and ('watch-player-unavailable-message-container' eq $tag->[1]->{'id'})) {
+ # Search forward to the next <div>
+ $tag = $p->get_tag('div');
+ $self->error("Could not get video data for youtube %s: %s",
+ $metadata->{'ID'}, $p->get_trimmed_text());
+ return undef;
+ }
}
}
return $metadata;
}
+sub __login {
+ my $self = shift;
+ my $videourl = shift;
+ my $ua = shift;
+ my $user = $self->_getval('USERNAME');
+ my $pass = $self->_getval('PASSWORD');
+ my $r;
+ my $p;
+ my $c;
+ my $token;
+
+ sub check_cookie {
+
+ my $jar = shift;
+ my $key = shift;
+ my $found = undef;
+
+ $jar->scan(sub { $found = 1 if ( $key eq $_[1]) });
+
+ return $found;
+ }
+
+ sub get_all_cookies {
+
+ my $jar = shift;
+ my $key = shift;
+ my $val = "";
+ $jar->scan(sub { $val .= "; " if !( $val eq "" ); $val .= "$_[1]=$_[2]" });
+
+ return $val;
+ }
+
+ if (($user eq '') or ($pass eq '')) {
+ $self->error('No username or password defined for YouTube');
+ return undef;
+ }
+
+ $self->debug('Logging in');
+ $r = $ua->get('https://www.google.com/accounts/ServiceLoginAuth?service=youtube');
+ unless($r->is_success()) {
+ $self->debug("Could not get login page (make sure your LWP supports HTTPS!)");
+ return undef;
+ }
+ $c = $r->decoded_content();
+ $p = HTML::TokeParser->new(\$c);
+ while (my $tag = $p->get_tag('input')) {
+ $self->debug("%s", Dumper($tag));
+ if ($tag->[1]{name} eq 'GALX') {
+ $token = $tag->[1]{value};
+ last;
+ }
+ }
+ $self->debug("GALX = %s", $token);
+ $r = $ua->post('https://www.google.com/accounts/ServiceLoginAuth?service=youtube', { 'service' => 'youtube', 'Email' => $user, 'Passwd' => $pass, 'GALX' => $token });
+ unless($r->is_success()) {
+ $self->debug("Could not get login page (make sure your LWP supports HTTPS!)");
+ return undef;
+ }
+ $c = $r -> decoded_content();
+ $p = HTML::TokeParser->new(\$c);
+ while (my $tag = $p->get_tag('script')) {
+ if($p->get_text() =~ /location\.replace\("(.+)"\)/) {
+ $token = $1;
+ $token =~ s/\\x([A-Fa-f0-9]{2})/pack('C', hex($1))/seg;
+ last;
+ }
+ }
+ $r = $ua->get($token);
+ unless(check_cookie($ua->cookie_jar, 'LOGIN_INFO')) {
+ $self->error('Could not log into YouTube');
+ return undef;
+ }
+
+ $self->debug("Got a cookie");
+
+ $r = $ua->get($videourl);
+ if ($r->base->as_string() =~ m,/verify_age,) {
+ $self->debug("Looking for session token...");
+ $c = $r->decoded_content();
+ $p = HTML::TokeParser->new(\$c);
+ while (my $tag = $p->get_tag('script')) {
+ if ($p->get_text() =~ /'XSRF_TOKEN': '(.+)'/) {
+ $token = $1;
+ last;
+ }
+ }
+
+ unless(defined($token)) {
+ $self->error("Could not find session token");
+ return undef;
+ }
+
+ $self->debug('Authenticating session...');
+ $r = $ua->post($r->base->as_string, { 'next_url' => $r->base->path, 'action_confirm' => 'Confirm Birth Date', 'session_token' => $token });
+ }
+
+# Apparently there is no longer a specific "is_adult" cookie
+# or, by the looks of it, anything similar
+#
+# unless(check_cookie($ua->cookie_jar, 'is_adult')) {
+# $self->error('Could not authenticate session');
+# return undef;
+# }
+
+ my $cookie = get_all_cookies($ua->cookie_jar);
+ return ($ua->get($videourl), $cookie);
+}
+
+sub __pick_url {
+ my $self = shift;
+ my $urls = shift;
+ my $preflist = shift;
+ my $metadata = shift;
+
+ foreach (keys(%{$urls})) {
+ if (exists($videoformats{$_})) {
+ $self->debug('Found URL for format %s (%s): %s', $_, $videoformats{$_}, $urls->{$_});
+ } else {
+ $self->error('Unknown format %s: %s', $_, $urls->{$_});
+ }
+ }
+
+ foreach (@{$preflist}) {
+ if (exists($urls->{$_})) {
+ $self->debug("Selected URL with quality level %s", $_);
+ $metadata->{'DLURL'} = $urls->{$_};
+ last;
+ }
+ }
+
+ $self->debug('URL found: %s', $metadata->{'DLURL'});
+}
+
1;
git://git.camperquake.de / videosite.git / blobdiff