1 | <?php |
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2 | # -- BEGIN LICENSE BLOCK ---------------------------------- |
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3 | # |
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4 | # This file is part of Piwigo. |
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5 | # |
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6 | # Copyright (c) 2003-2008 Olivier Meunier and contributors |
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7 | # Licensed under the GPL version 2.0 license. |
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8 | # See LICENSE file or |
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9 | # http://www.gnu.org/licenses/old-licenses/gpl-2.0.html |
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10 | # |
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11 | # -- END LICENSE BLOCK ------------------------------------ |
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12 | |
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13 | error_reporting(E_ALL & ~E_NOTICE); |
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14 | |
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15 | if (function_exists('date_default_timezone_set')) { |
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16 | date_default_timezone_set('UTC'); |
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17 | } elseif (!ini_get('safe_mode') && function_exists('putenv')) { |
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18 | putenv('TZ=UTC'); |
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19 | } |
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20 | |
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21 | define('DC_LOADER_VERSION','0.8'); |
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22 | define('DC_LOADER_SERVICE','http://piwigo.duretz.net/'); |
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23 | define('DC_LOADER_ARCHIVE','http://piwigo.duretz.net/latest.zip'); |
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24 | define('DC_LOADER_DIRECTORY','phpwebgallery-1.7.3'); |
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25 | define('DC_LOADER_LANG', getLanguage()); |
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26 | |
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27 | $can_write = is_writable(dirname(__FILE__)); |
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28 | $can_fetch = false; |
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29 | if ((boolean)ini_get('allow_url_fopen')) { |
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30 | $can_fetch = true; |
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31 | } |
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32 | if (function_exists('curl_init')) { |
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33 | $can_fetch = true; |
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34 | define('DC_LOADER_CURL',true); |
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35 | } |
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36 | |
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37 | $step = !empty($_REQUEST['step']) ? (integer)$_REQUEST['step'] : 1; |
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38 | $got_php5 = (strpos(PHP_VERSION,'5') === 0); |
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39 | if (!$got_php5 && $step != 2) { |
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40 | $step = 1; |
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41 | } |
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42 | |
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43 | function __($str) |
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44 | { |
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45 | return $str; |
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46 | } |
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47 | |
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48 | function fetchRemote($src,&$dest,$step=0) # Rudimentary HTTP client |
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49 | { |
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50 | if ($step > 3) { |
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51 | return false; |
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52 | } |
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53 | |
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54 | $src = parse_url($src); |
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55 | $host = $src['host']; |
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56 | $path = $src['path']; |
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57 | |
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58 | if (($s = @fsockopen($host,80,$errno,$errstr,5)) === false) { |
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59 | return false; |
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60 | } |
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61 | |
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62 | fwrite($s, |
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63 | 'GET '.$path." HTTP/1.0\r\n" |
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64 | .'Host: '.$host."\r\n" |
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65 | ."User-Agent: Piwigo Net Install\r\n" |
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66 | ."Accept: text/xml,application/xml,application/xhtml+xml,text/html,text/plain,image/png,image/jpeg,image/gif,*/*\r\n" |
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67 | ."\r\n" |
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68 | ); |
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69 | |
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70 | $i = 0; |
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71 | $in_content = false; |
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72 | while (!feof($s)) |
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73 | { |
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74 | $line = fgets($s,4096); |
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75 | |
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76 | if (rtrim($line,"\r\n") == '' && !$in_content) { |
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77 | $in_content = true; |
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78 | $i++; |
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79 | continue; |
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80 | } |
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81 | |
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82 | if ($i == 0) { |
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83 | if (!preg_match('/HTTP\/(\\d\\.\\d)\\s*(\\d+)\\s*(.*)/',rtrim($line,"\r\n"), $m)) { |
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84 | fclose($s); |
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85 | return false; |
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86 | } |
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87 | $status = (integer) $m[2]; |
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88 | if ($status < 200 || $status >= 400) { |
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89 | fclose($s); |
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90 | return false; |
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91 | } |
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92 | } |
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93 | |
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94 | if (!$in_content) |
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95 | { |
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96 | if (preg_match('/Location:\s+?(.+)$/',rtrim($line,"\r\n"),$m)) { |
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97 | fclose($s); |
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98 | return fetchRemote(trim($m[1]),$dest,$step+1); |
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99 | } |
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100 | $i++; |
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101 | continue; |
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102 | } |
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103 | |
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104 | if (is_resource($dest)) { |
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105 | fwrite($dest,$line); |
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106 | } else { |
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107 | $dest .= $line; |
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108 | } |
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109 | |
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110 | $i++; |
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111 | } |
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112 | |
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113 | fclose($s); |
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114 | return true; |
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115 | } |
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116 | |
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117 | function getLanguage($default = 'en') |
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118 | { |
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119 | $supported = array('fr','en'); |
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120 | if (!empty($_REQUEST['lang']) && in_array($_REQUEST['lang'],$supported)) { |
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121 | return $_REQUEST['lang']; |
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122 | } |
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123 | if (!empty($_SERVER['HTTP_ACCEPT_LANGUAGE'])) { |
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124 | $languages = explode(',',$_SERVER['HTTP_ACCEPT_LANGUAGE']); |
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125 | $l = explode(';',$languages[0]); |
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126 | $dlang = substr(trim($l[0]),0,2); |
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127 | if (in_array($dlang, $supported)) { |
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128 | return $dlang; |
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129 | } |
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130 | } |
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131 | return $default; |
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132 | } |
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133 | |
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134 | function getLocation() |
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135 | { |
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136 | $server_name = explode(':',$_SERVER['HTTP_HOST']); |
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137 | $server_name = $server_name[0]; |
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138 | if ($_SERVER['SERVER_PORT'] == '443') |
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139 | { |
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140 | $scheme = 'https'; |
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141 | $port = ''; |
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142 | } |
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143 | elseif (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') |
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144 | { |
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145 | $scheme = 'https'; |
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146 | $port = ($_SERVER['SERVER_PORT'] != '443') ? ':'.$_SERVER['SERVER_PORT'] : ''; |
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147 | } |
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148 | else |
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149 | { |
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150 | $scheme = 'http'; |
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151 | $port = ($_SERVER['SERVER_PORT'] != '80') ? ':'.$_SERVER['SERVER_PORT'] : ''; |
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152 | } |
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153 | |
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154 | $loc = preg_replace('#/$#','',str_replace('\\', '/', dirname($_SERVER['SCRIPT_NAME']))); |
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155 | |
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156 | return $scheme.'://'.$server_name.$port.$loc.'/'; |
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157 | } |
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158 | |
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159 | function openPage() |
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160 | { |
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161 | header('Content-Type: text/html; charset=UTF-8'); |
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162 | echo |
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163 | '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" '. |
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164 | ' "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">'."\n". |
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165 | '<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="'.DC_LOADER_LANG.'" lang="'.DC_LOADER_LANG.'">'."\n". |
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166 | "<head>\n". |
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167 | ' <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />'."\n". |
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168 | ' <title>'.__('Piwigo NetInstall').'</title>'."\n". |
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169 | ' <meta name="ROBOTS" content="NOARCHIVE,NOINDEX,NOFOLLOW" />'."\n". |
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170 | ' <link rel="stylesheet" type="text/css" media="screen" href="'.DC_LOADER_SERVICE.'loader.css" />'."\n". |
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171 | '</head>'."\n". |
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172 | '<body>'."\n". |
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173 | '<div id="page">'."\n". |
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174 | '<h1>'.__('Piwigo NetInstall').'</h1>'."\n". |
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175 | '<div id="main">'."\n"; |
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176 | } |
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177 | |
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178 | function closePage() |
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179 | { |
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180 | echo |
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181 | '</div>'."\n". |
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182 | '</div>'."\n". |
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183 | '<div id="footer">'."\n". |
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184 | '<p>This loader was initialy coded for <a href="http://www.dotclear.net" title="Dotclear">Dotclear</a>. Thanks !</p>'. |
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185 | '</div>'."\n". |
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186 | '</body>'."\n". |
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187 | '</html>'; |
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188 | } |
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189 | |
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190 | function initPHP5() |
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191 | { |
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192 | $htaccess = dirname(__FILE__).'/.htaccess'; |
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193 | if (file_exists($htaccess)) { |
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194 | if (!is_readable($htaccess) || !is_writable($htaccess)) { |
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195 | return false; |
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196 | } |
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197 | } |
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198 | $rawdatas = ''; |
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199 | if (!fetchRemote(DC_LOADER_SERVICE.'hosting.txt',$rawdatas)) { |
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200 | return false; |
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201 | } |
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202 | $rawdatas = explode("\n",$rawdatas); |
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203 | if (!($my_hostname = @gethostbyaddr($_SERVER['SERVER_ADDR']))) { |
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204 | return false; |
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205 | } |
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206 | $found = false; |
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207 | foreach ($rawdatas as $line) { |
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208 | list($name,$hostname,$rule) = explode('|',trim($line)); |
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209 | if (preg_match('!'.preg_quote($hostname).'$!',$my_hostname)) { |
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210 | $found = $rule; |
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211 | break; |
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212 | } |
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213 | } |
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214 | if ($found) { |
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215 | if (false !== ($fh = @fopen($htaccess,"ab"))) { |
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216 | fwrite($fh,"\n".$found); |
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217 | fclose($fh); |
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218 | return true; |
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219 | } |
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220 | } |
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221 | return false; |
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222 | } |
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223 | |
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224 | function cleanFiles() |
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225 | { |
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226 | unlink(dirname(__FILE__).'/pwg_files.php'); |
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227 | unlink(dirname(__FILE__).'/pwg_unzip.php'); |
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228 | unlink(dirname(__FILE__).'/piwigo-install.zip'); |
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229 | } |
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230 | |
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231 | function grabFiles() |
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232 | { |
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233 | $failed = true; |
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234 | $lib_files = @fopen(dirname(__FILE__).'/pwg_files.php','wb'); |
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235 | $lib_unzip = @fopen(dirname(__FILE__).'/pwg_unzip.php','wb'); |
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236 | $dc_zip = @fopen(dirname(__FILE__).'/piwigo-install.zip','wb'); |
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237 | |
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238 | if (!$lib_files || !$lib_unzip || !$dc_zip) { |
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239 | return false; |
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240 | } |
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241 | |
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242 | if (fetchRemote(DC_LOADER_SERVICE.'lib.files.php.txt',$lib_files)) { |
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243 | if (fetchRemote(DC_LOADER_SERVICE.'class.unzip.php.txt',$lib_unzip)) { |
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244 | if (fetchRemote(DC_LOADER_ARCHIVE.'',$dc_zip)) { |
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245 | $failed = false; |
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246 | } |
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247 | } |
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248 | } |
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249 | |
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250 | fclose($lib_files); |
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251 | fclose($lib_unzip); |
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252 | fclose($dc_zip); |
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253 | |
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254 | if ($failed) { |
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255 | cleanFiles(); |
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256 | return false; |
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257 | } |
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258 | return true; |
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259 | } |
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260 | |
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261 | function writeMessage($level,$title,$lines) |
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262 | { |
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263 | if (empty($lines)) { |
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264 | return; |
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265 | } |
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266 | |
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267 | echo |
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268 | '<div class="msg '.$level.'">'. |
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269 | '<h3>'.$title.'</h3>'; |
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270 | foreach ($lines as $line) { |
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271 | echo '<p>'.$line.'</p>'; |
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272 | } |
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273 | echo '</div>'; |
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274 | } |
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275 | |
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276 | function nextAction($label,$step,$more='') |
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277 | { |
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278 | echo |
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279 | '<form action="'.$_SERVER['SCRIPT_NAME'].'" method="post">'. |
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280 | $more. |
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281 | '<p><input type="hidden" name="step" value="'.$step.'" />'. |
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282 | '<input type="hidden" name="lang" value="'.DC_LOADER_LANG.'" />'. |
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283 | '<input type="submit" name="submit" value="'.$label.'" />'. |
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284 | '</p></form>'; |
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285 | } |
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286 | |
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287 | if (!$can_fetch) { |
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288 | openPage(); |
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289 | echo |
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290 | '<h2>'.__('NetInstall').'</h2>'."\n"; |
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291 | writeMessage('warning',__('Damnit !'), array( |
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292 | __('Due to restrictions in your PHP configuration, NetInstall cannot get its job done.'), |
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293 | __('Please see Piwigo documentation to perform a normal installation.'), |
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294 | __('Really sorry for the inconvenience.') |
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295 | )); |
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296 | closePage(); |
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297 | exit; |
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298 | } |
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299 | |
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300 | switch ($step) { |
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301 | case 1 : { |
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302 | openPage(); |
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303 | echo |
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304 | '<h2>'.__('Welcome to NetInstall').'</h2>'."\n". |
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305 | '<p>'.__('This tool is meant to retrieve the latest Piwigo archive and unzip it in your webspace.').'</p>'. |
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306 | '<p>'.__('Right after then, you will be redirect to the Piwigo Setup Wizard.').'</p>'; |
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307 | |
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308 | if (!$can_write) { |
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309 | writeMessage('warning',__('Write access is needed'), array( |
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310 | __('It looks like NetInstall wont be able to write in the current directory, and this is required to follow on.'), |
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311 | __('Please try to change the permissions to allow write access, then reload this page by hitting the Refresh button.') |
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312 | )); |
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313 | nextAction(__('Refresh'),1); |
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314 | } |
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315 | elseif (!$got_php5) { |
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316 | writeMessage('notice',__('PHP 5 is required'), array( |
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317 | sprintf(__('It appears your webhost is currently running PHP %s.'), PHP_VERSION), |
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318 | __('NetInstall may try to switch your configuration to PHP 5 by creating or modifying a .htaccess file.'), |
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319 | __('Note you can change your configuration by yourself and restart NetInstall after that.') |
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320 | )); |
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321 | nextAction(__('Try to configure PHP 5'),2); |
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322 | } |
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323 | else { |
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324 | nextAction(__('Retrieve and unzip Piwigo'),3, |
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325 | '<p><label for="destination">'.__('Destination:').'</label> '. |
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326 | getLocation(). |
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327 | '<input type="text" id="destination" name="destination" '. |
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328 | 'value="piwigo" size="15" maxlength="100" /></p>' |
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329 | ); |
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330 | } |
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331 | closePage(); |
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332 | break; |
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333 | } |
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334 | case 2 : { |
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335 | if (!empty($_POST['submit']) && !$got_php5) { |
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336 | if (($got_php5 = initPHP5())) { |
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337 | header('Location: '.$_SERVER['SCRIPT_NAME'].'?step=1'); |
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338 | } |
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339 | } |
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340 | elseif ($got_php5) { |
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341 | header('Location: '.$_SERVER['SCRIPT_NAME'].'?step=1'); |
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342 | } |
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343 | else { |
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344 | openPage(); |
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345 | writeMessage('warning',__('OMG !'),array( |
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346 | __('NetInstall was not able to configure PHP 5.'), |
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347 | __("You may referer to your hosting provider's support and see how you could switch to PHP 5 by yourself."), |
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348 | __('Hope to see you back soon.') |
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349 | )); |
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350 | closePage(); |
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351 | } |
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352 | break; |
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353 | } |
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354 | case 3 : { |
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355 | $msg = array(__('WTF are you doing here that way ?!')); |
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356 | $text = ''; |
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357 | if (!empty($_POST['submit']) && isset($_POST['destination'])) |
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358 | { |
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359 | $msg = array(); |
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360 | $dest = preg_replace('/[^A-Za-z0-9_\/-]/','',$_POST['destination']); |
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361 | $dest = preg_replace('#/+#','/',$dest); |
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362 | |
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363 | if (file_exists(dirname(__FILE__).'/./'.$dest.'/include/mysql.inc.php') || file_exists(dirname(__FILE__).'/./'.$dest.'/iclude/default_config.inc.php')) |
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364 | { |
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365 | $msg[] = __('It seems like a previous Piwigo installation is still sitting in that space.'); |
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366 | $msg[] = __('You need to rename or remove it before we can go further...'); |
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367 | } |
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368 | elseif (grabFiles()) |
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369 | { |
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370 | $lib_files = dirname(__FILE__).'/pwg_files.php'; |
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371 | $lib_unzip = dirname(__FILE__).'/pwg_unzip.php'; |
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372 | $dc_zip = dirname(__FILE__).'/piwigo-install.zip'; |
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373 | if (!file_exists($lib_files) || !file_exists($lib_unzip) || !file_exists($dc_zip)) { |
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374 | $msg[] = __('Needed files are not present.'); |
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375 | } |
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376 | |
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377 | require $lib_files; |
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378 | require $lib_unzip; |
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379 | $uz = new fileUnzip($dc_zip); |
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380 | $files = $uz->getList(); |
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381 | if (count($files) == 0) { |
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382 | $msg[] = __('Invalid zip file.'); |
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383 | } |
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384 | |
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385 | foreach ($files as $k => $v) |
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386 | { |
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387 | if ($v['is_dir']) { |
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388 | continue; |
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389 | } |
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390 | $t = preg_replace('#^'.DC_LOADER_DIRECTORY.'/#','./'.$dest.'/',$k); |
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391 | $uz->unzip($k,$t); |
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392 | } |
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393 | $uz->close; |
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394 | unset($uz); |
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395 | |
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396 | if (!is_dir(dirname(__FILE__).'/./'.$dest)) |
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397 | { |
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398 | $msg[] = __('It seems that the zip file was not extracted.'); |
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399 | } |
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400 | else |
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401 | { |
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402 | # Remove files, create public directory, and self-destruction |
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403 | files::makeDir('./'.$dest.'/public'); |
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404 | cleanFiles(); |
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405 | unlink(__FILE__); |
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406 | |
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407 | $redir = preg_replace('#/+#','/',str_replace('\\', '/', dirname($_SERVER['SCRIPT_NAME'])).'/'.$dest.'/install.php'); |
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408 | |
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409 | $text = '<h2>'.__('Congratulations!').'</h2>' |
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410 | .'<p>'.__('Everything went fine. You are now ready to start the installation procedure.').'</p>' |
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411 | .'<form action="'.$redir.'" method="get">' |
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412 | .'<p><input type="submit" value="'.__('Install now').'" /></p>' |
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413 | .'</form>'; |
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414 | } |
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415 | } |
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416 | else |
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417 | { |
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418 | $msg[] = __('An error occurred while grabbing the necessary files to go on.'); |
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419 | } |
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420 | } |
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421 | openPage(); |
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422 | writeMessage('warning',__('Something went wrong ...'),$msg); |
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423 | echo $text; |
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424 | closePage(); |
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425 | break; |
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426 | } |
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427 | } |
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428 | ?> |
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