<?php

/**
 * Copyright 2009-2017 Christoph Brill <egore911@gmail.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 * @category  Common
 * @package   DRI
 * @author    Christoph Brill <egore911@gmail.com>
 * @copyright 2012-2017 Christoph Brill <egore911@gmail.com>
 * @license   MIT https://opensource.org/licenses/MIT
 * @link      https://people.freedesktop.org/~cbrill/
 */

// Value taken from /etc/localtime on annarchy
date_default_timezone_set('US/Pacific');

define('LOG_DIR', './');

$channels = array ('dri-devel', 'radeon', 'nouveau', 'wayland', 'd3d9', 'freedreno', 'lima', 'etnaviv', 'intel-gfx', 'freedesktop', 'openchrome', 'intel-3d', 'ml-mainline');

if (isset($_GET['channel'])) {
    $channel = $_GET['channel'];
} else if (isset($_COOKIE['last_channel'])) {
    $channel = $_COOKIE['last_channel'];
} else {
    $channel = 'dri-devel';
}
setcookie('last_channel', $channel, time()+2592000);

if (isset($_GET['date'])) { 
        $date = validDate($_GET['date']); 
} else if (isset($_GET['page'])) { 
        $date = getDateFromFilename($_GET['page']); 
}

function validDate($date)
{
    if ($date == 'today') {
        return date('Y-m-d');
    }
    if ($date == 'yesterday') {
        return date('Y-m-d', time() - (24*60*60));
    }
    if (preg_match('/[0-9]{4}-[0-9]{2}-[0-9]{2}/', $date)) {
        return $date;
    }
    return null;
}

/**
 * Get the date from a filename
 *
 * @param string $filename the filename to extract the month from (e.g.
 *        dri-devel-2017-01-27.log)
 *
 * @return string the month (e.g. '2017-01-27' for the example above)
 */
function getDateFromFilename($filename)
{
    return substr($filename, 10, 10);
}

/**
 * Check if a line belongs to a given channel
 *
 * @param string $line    the current line from the chat log
 * @param string $channel the channel to check if the line belongs to it
 *
 * @return boolean true, if the line belongs to the channel
 */
function isFromChannel($line, $channel)
{
    return strstr($line, '#'.$channel.':');
}

/**
 * Check if a line is a 'xxx joined the channel' line and should be filtered
 *
 * @param string $line the current line from the chat log
 *
 * @return boolean true, the line should be hidden
 */
function filterJoin($line)
{
    global $show_joins, $show_irssi; 
    if (!$show_joins && strstr($line, 'has joined')) {
        return true;
    }
    if (!$show_irssi && strstr($line, '-!-')) {
        return true;
    }
    return false; 
} 

/**
 * Get the user name from the given line
 *
 * @param string $line the current line from the chat log
 *
 * @return string the username found in the line
 */
function getUser($line)
{
    $result = array();
    if (preg_match('=(<.|\* )[a-zA-Z0-9\|_`\]\[\^-]+(>| )=', $line, $result)) {
        return $result[0];
    }
    return '';
}

/**
 * Get the time from the given line
 *
 * @param string $line the current line from the chat log
 *
 * @return string the time found in the line
 */
function getTime($line)
{
    $result = array();
    if (preg_match('=^([0-9:]+)=', $line, $result)) {
        return $result[0];
    }
    return "";
}

/**
 * Get the users avatar
 *
 * @param string $user the current user (e.g. retrieved from getUser())
 *
 * @return string|null the link to the users avatar
 */
function getImage($user)
{
    global $gravatars, $freedesktop, $custom;
    if (isset($gravatars[$user])) {
        return 'http://www.gravatar.com/avatar/'.$gravatars[$user];
    }
    if (isset($freedesktop[$user])) {
        return 'http://planet.freedesktop.org/faces/'.$freedesktop[$user];
    }
    if (isset($custom[$user])) {
        return $custom[$user];
    }
    return null;
}

// This is the MD5-sums of the emails for some known users
$gravatars = array();
$gravatars['airlied'] = '48abc804ac80b2fb25ce46dbf1506748';
$gravatars['jobermayr'] = 'bdb8b9712e2fe7eeb8efa895867636c2';
$gravatars['fritsch'] = '95f4cc6433f2f59214ab9c7affc6e453';

$freedesktop = array();
$freedesktop['ajax'] = 'ajax.png';
$freedesktop['alanc'] = 'alanc.png';
$freedesktop['anholt'] = 'anholt.png';
$freedesktop['cworth'] = 'cworth.png';
$freedesktop['dberkholz'] = 'dberkholz.png';
$freedesktop['idr'] = 'idr.png';
$freedesktop['krh'] = 'krh.png';
$freedesktop['libv'] = 'libv.png';
$freedesktop['omcfadde'] = 'z3ro.png';

$custom = array();
$custom['darktama'] = 'https://lh4.googleusercontent.com/-8Lx3KozwWDk/AAAAAAAAAAI/AAAAAAAAACU/vbakuLWZFmE/s90-c/photo.jpg';
$custom['dvdhrm'] = 'https://lh6.googleusercontent.com/-ogpdJ0Pf984/AAAAAAAAAAI/AAAAAAAAAHw/XcIa0ybcm6M/s90-c/photo.jpg';
$custom['ickle'] = 'https://lh4.googleusercontent.com/-MzNPVnrPOJY/AAAAAAAAAAI/AAAAAAAAAyo/cjxwRnKVXA0/s90-c/photo.jpg';
$custom['imirkin'] = 'https://avatars3.githubusercontent.com/u/817874?v=2&s=460';
$custom['jbarnes'] = 'https://lh3.googleusercontent.com/-l2-D6D43gVs/AAAAAAAAAAI/AAAAAAAAAUI/Ak7Yhy-zPMA/s90-c/photo.jpg';
$custom['marcheu'] = 'https://lh6.googleusercontent.com/-b3WZZvcLyz8/AAAAAAAAAAI/AAAAAAAAB6s/HdkxCZXg_GQ/s90-c/photo.jpg';
$custom['mjg59'] = 'http://l-userpic.livejournal.com/4975639/1051328';
$custom['Kayden'] = 'http://media.linkedin.com/mpr/pub/image-JLwJ9fTJBTv3Ur9xL18X4Ph00E8D3v8e6S8E_fOH0R2stCRVJLwEu36J0rLw30i-AL_r/kenneth-graunke.jpg';
$custom['keithp'] = 'https://lh6.googleusercontent.com/-s3zvCtonD-E/AAAAAAAAAAI/AAAAAAAAAE4/_MWh9P1Ku3A/s90-c/photo.jpg';
$custom['Prf_Jakob'] = 'https://lh5.googleusercontent.com/-978JYHxUyF8/AAAAAAAAAAI/AAAAAAAAAa0/rl_POiPf6fA/s90-c/photo.jpg';
$custom['robclark'] = 'https://lh6.googleusercontent.com/-LbzNNfquAK8/AAAAAAAAAAI/AAAAAAAAAEQ/YmZvmdvb8XU/s90-c/photo.jpg';
$custom['skeggsb'] = 'https://lh4.googleusercontent.com/-8Lx3KozwWDk/AAAAAAAAAAI/AAAAAAAAACU/vbakuLWZFmE/s90-c/photo.jpg';
$custom['SardemFF7'] = 'https://avatars3.githubusercontent.com/u/222943?v=3&s=460';
$custom['stereotype441'] = 'https://lh5.googleusercontent.com/-JmmSeCPUy2E/AAAAAAAAAAI/AAAAAAAAAUs/wmdZsitKwLs/s90-c/photo.jpg';
$custom['RSpliet'] = 'http://userserve-ak.last.fm/serve/126/35506029.png';

$realname = array();
$realname['_ds_'] = 'Darren Salt';
$realname['adrien'] = 'Adrien Nader';
$realname['agd5f'] = 'Alex Deucher';
$realname['airlied'] = 'Dave Airlie';
$realname['ajax'] = 'Adam Jackson';
$realname['alanc'] = 'Alan Coopersmith';
$realname['anholt'] = 'Eric Anholt';
$realname['arekm'] = 'Arkadiusz Miskiewicz';
$realname['austriancoder'] = 'Christian Gmeiner';
$realname['bbrezillon'] = 'Boris Brezillon';
$realname['bnieuwenhuizen'] = 'Bas Nieuwenhuizen';
$realname['bryce'] = 'Bryce Harrington';
$realname['bryce_'] = 'Bryce Harrington';
$realname['calim'] = 'Christoph Bumiller';
$realname['careym'] = 'Mark Carey';
$realname['chadversary'] = 'Chad Versace';
$realname['cheako'] = 'Mike Mestnik';
$realname['ckoenig'] = 'Christian Koenig';
$realname['CosmicPenguin'] = 'Jordan Crouse';
$realname['curro'] = 'Francisco Jerez';
$realname['cwabbott'] = 'Connor Abbott';
$realname['cworth'] = 'Carl Worth';
$realname['daniels'] = 'Daniel Stone';
$realname['danvet'] = 'Daniel Vetter';
$realname['danvet_'] = 'Daniel Vetter';
$realname['darktama'] = 'Ben Skeggs';
$realname['DavidHeidelberg'] = 'David Heidelberg';
$realname['dberkholz'] = 'Donnie Berkholz';
$realname['dboyan'] = 'Boyan Ding';
$realname['dvdhrm'] = 'David Herrmann';
$realname['egbert'] = 'Egbert Eich';
$realname['egore'] = 'Christoph Brill';
$realname['glisse'] = 'Jerome Glisse';
$realname['giucam'] = 'Guilio Camuffo';
$realname['fredrikh'] = 'Fredrik Höglund';
$realname['fritsch'] = 'Peter Frühberger';
$realname['funfunctor'] = 'Edward O\'Callaghan';
$realname['haagch'] = 'Christoph Haag';
$realname['hakzsam'] = 'Samuel Pitoiset';
$realname['HdkR'] = 'Ryan Houdek';
$realname['ickle'] = 'Chris Wilson';
$realname['idr'] = 'Ian Romanick';
$realname['imirkin'] = 'Ilia Mirkin';
$realname['imirkin_'] = 'Ilia Mirkin';
$realname['jbarnes'] = 'Jesse Barnes';
$realname['jcristau'] = 'Julien Cristau';
$realname['jekstrand'] = 'Jason Ekstrand';
$realname['jobermayr'] = 'Johannes Obermayr';
$realname['joi'] = 'Marcin Ślusarz';
$realname['juergbi'] = 'Jürgen Billeter';
$realname['karolherbst'] = 'Karol Herbst';
$realname['Kayden'] = 'Kenneth Graunke';
$realname['keithp'] = 'Keith Packard';
$realname['krh'] = 'Kristian Høgsberg';
$realname['libv'] = 'Luc Verhaegen';
$realname['lordheavy'] = 'Laurent Carlier';
$realname['lostgoat'] = 'Andres Rodriguez';
$realname['lynxeye'] = 'Lucas Stach';
$realname['mannerov'] = 'Axel Davy';
$realname['mareko'] = 'Marek Olšák';
$realname['marcheu'] = 'Stephane Marchesin';
$realname['mattst88'] = 'Matt Turner';
$realname['mjg59'] = 'Matthew Garrett';
$realname['mlankhorst'] = 'Maarten Lankhorst';
$realname['MostAwesomeDude'] = 'Corbin Simpson';
$realname['MrCooper'] = 'Michel Dänzer';
$realname['mupuf'] = 'Martin Peres';
$realname['nha'] = 'Nicolai Hähnle';
$realname['olesalscheider'] = 'Niels Ole Salscheider';
$realname['okias'] = 'David Heidelberger';
$realname['okias_'] = 'David Heidelberger';
$realname['omcfadde'] = 'Oliver McFadden';
$realname['otaylor'] = 'Owen Taylor';
$realname['ParkerR'] = 'Parker Reed';
$realname['pinchartl'] = 'Laurent Pinchart';
$realname['pq'] = 'Pekka Paalanen';
$realname['Prf_Jakob'] = 'Jakob Bornecrantz';
$realname['robclark'] = 'Rob Clark';
$realname['RSpliet'] = 'Roy Spliet';
$realname['SardemFF7'] = 'Quentin Glidic';
$realname['seanpaul'] = 'Sean Paul';
$realname['siro'] = 'Patrick Rudolph';
$realname['siro__'] = 'Patrick Rudolph';
$realname['skeggsb'] = 'Ben Skeggs';
$realname['soreau'] = 'Scott Moreau';
$realname['spstarr'] = 'Shawn Starr';
$realname['spreeuw'] = 'Hanno Spreeuw';
$realname['stereotype441'] = 'Paul Berry';
$realname['stringfellow'] = 'Henry Verbeet';
$realname['suokko'] = 'Pauli Nieminen';
$realname['tarceri'] = 'Timothy Arceri';
$realname['tizbac'] = 'Tiziano Bacocco';
$realname['thohel'] = 'Thomas Helland';
$realname['tstellar'] = 'Tom Stellard';
$realname['TTimo'] = 'Timothee Besset';
$realname['vadimg'] = 'Vadim Girlin';
$realname['vlj'] = 'Vincent Lejeune';
$realname['vsyrjala'] = 'Ville Syrjälä';
$realname['w00t'] = 'Robin Burchell';
$realname['whot'] = 'Peter Hutterer';
$realname['Wizzup'] = 'Merlijn Wajer';
$realname['xexaxo'] = 'Emil Velikov';
$realname['xexaxo1'] = 'Emil Velikov';
$realname['z3ntu'] = 'Luca Weiss';
$realname['zgreg'] = 'Grigori Goronzy';
$realname['zgreg_'] = 'Grigori Goronzy';

$ignore = array();
array_push($ignore, 'joss193');
array_push($ignore, 'fdo-vcs');