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 | // +-----------------------------------------------------------------------+ |
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14 | // | Configuration | |
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15 | // +-----------------------------------------------------------------------+ |
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16 | |
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17 | define('DC_LOADER_SERVICE','http://piwigo.org/download/netinstall/'); |
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18 | define('DC_LOADER_ARCHIVE','http://piwigo.org/download/dlcounter.php?code=latest'); |
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19 | |
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20 | $available_languages = array( |
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21 | 'cs_CZ' => 'Česky [CZ]', |
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22 | 'da_DK' => 'Dansk [DK]', |
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23 | 'de_DE' => 'Deutch [DE]', |
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24 | 'el_GR' => 'Ελληνικά [GR]', |
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25 | 'en_UK' => 'English [UK]', |
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26 | 'es_ES' => 'Español [ES]', |
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27 | 'fa_IR' => 'پارسی [IR]', |
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28 | 'fr_FR' => 'Français [FR]', |
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29 | 'gl_ES' => 'Galego [ES]', |
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30 | 'hu_HU' => 'Magyar [HU]', |
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31 | 'it_IT' => 'Italiano [IT]', |
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32 | 'lv_LV' => 'Latviešu [LV]', |
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33 | 'nb_NO' => 'Norwegian [NO]', |
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34 | 'nl_NL' => 'Nederlands [NL]', |
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35 | 'pl_PL' => 'Polski [PL]', |
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36 | 'pt_BR' => 'Brasil [BR]', |
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37 | 'pt_PT' => 'Português [PT]', |
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38 | 'ru_RU' => 'Русский [RU]', |
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39 | 'sk_SK' => 'Slovensky [SK]', |
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40 | 'tr_TR' => 'Türkçe [TR]', |
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41 | 'uk_UA' => 'Українська [UA]', |
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42 | 'zh_CN' => '简体中文 [CN]', |
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43 | ); |
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44 | |
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45 | $url_subdomain_for_language = array( |
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46 | 'pt_BR' => 'br', |
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47 | 'da_DK' => 'da', |
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48 | 'de_DE' => 'de', |
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49 | 'es_ES' => 'es', |
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50 | 'fr_FR' => 'fr', |
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51 | 'it_IT' => 'it', |
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52 | 'hu_HU' => 'hu', |
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53 | 'nl_NL' => 'nl', |
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54 | 'pl_PL' => 'pl', |
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55 | 'tr_TR' => 'tr', |
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56 | 'ru_RU' => 'ru', |
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57 | 'zh_CN' => 'cn', |
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58 | ); |
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59 | |
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60 | // +-----------------------------------------------------------------------+ |
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61 | |
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62 | error_reporting(E_ALL & ~E_NOTICE); |
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63 | |
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64 | getLanguage(); |
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65 | |
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66 | $step = !empty($_REQUEST['step']) ? (integer)$_REQUEST['step'] : 1; |
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67 | $got_php5 = version_compare(PHP_VERSION, '5.2', '>='); |
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68 | if (!$got_php5 && $step != 2) |
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69 | { |
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70 | $step = 1; |
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71 | } |
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72 | |
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73 | function l10n($str) |
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74 | { |
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75 | global $lang; |
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76 | |
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77 | return isset($lang[$str]) ? $lang[$str] : $str; |
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78 | } |
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79 | |
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80 | function fetchRemote($src,&$dest,$step=0) |
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81 | { |
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82 | if ($step > 3) |
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83 | { |
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84 | return false; |
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85 | } |
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86 | |
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87 | // Try curl to read remote file |
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88 | if (function_exists('curl_init') && function_exists('curl_exec')) |
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89 | { |
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90 | $ch = @curl_init(); |
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91 | @curl_setopt($ch, CURLOPT_URL, $src); |
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92 | @curl_setopt($ch, CURLOPT_HEADER, 0); |
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93 | @curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); |
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94 | @curl_setopt($ch, CURLOPT_USERAGENT, 'Piwigo Net Install'); |
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95 | $content = @curl_exec($ch); |
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96 | @curl_close($ch); |
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97 | if ($content !== false) |
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98 | { |
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99 | write_dest($content, $dest); |
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100 | return true; |
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101 | } |
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102 | } |
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103 | |
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104 | // Try file_get_contents to read remote file |
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105 | if ((boolean)ini_get('allow_url_fopen')) |
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106 | { |
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107 | $content = @file_get_contents($src); |
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108 | if ($content !== false) |
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109 | { |
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110 | write_dest($content, $dest); |
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111 | return true; |
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112 | } |
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113 | } |
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114 | |
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115 | if (!function_exists('fsockopen')) |
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116 | { |
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117 | return false; |
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118 | } |
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119 | |
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120 | // Try fsockopen to read remote file |
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121 | $src = parse_url($src); |
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122 | $host = $src['host']; |
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123 | $path = $src['path']; |
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124 | |
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125 | if (($s = @fsockopen($host,80,$errno,$errstr,5)) === false) |
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126 | { |
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127 | return false; |
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128 | } |
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129 | |
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130 | fwrite($s, |
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131 | 'GET '.$path." HTTP/1.0\r\n" |
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132 | .'Host: '.$host."\r\n" |
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133 | ."User-Agent: Piwigo Net Install\r\n" |
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134 | ."Accept: text/xml,application/xml,application/xhtml+xml,text/html,text/plain,image/png,image/jpeg,image/gif,*/*\r\n" |
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135 | ."\r\n" |
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136 | ); |
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137 | |
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138 | $i = 0; |
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139 | $in_content = false; |
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140 | while (!feof($s)) |
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141 | { |
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142 | $line = fgets($s,4096); |
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143 | |
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144 | if (rtrim($line,"\r\n") == '' && !$in_content) |
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145 | { |
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146 | $in_content = true; |
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147 | $i++; |
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148 | continue; |
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149 | } |
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150 | if ($i == 0) |
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151 | { |
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152 | if (!preg_match('/HTTP\/(\\d\\.\\d)\\s*(\\d+)\\s*(.*)/',rtrim($line,"\r\n"), $m)) |
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153 | { |
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154 | fclose($s); |
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155 | return false; |
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156 | } |
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157 | $status = (integer) $m[2]; |
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158 | if ($status < 200 || $status >= 400) |
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159 | { |
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160 | fclose($s); |
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161 | return false; |
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162 | } |
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163 | } |
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164 | if (!$in_content) |
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165 | { |
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166 | if (preg_match('/Location:\s+?(.+)$/',rtrim($line,"\r\n"),$m)) |
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167 | { |
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168 | fclose($s); |
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169 | return fetchRemote(trim($m[1]),$dest,$step+1); |
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170 | } |
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171 | $i++; |
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172 | continue; |
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173 | } |
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174 | write_dest($line, $dest); |
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175 | $i++; |
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176 | } |
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177 | fclose($s); |
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178 | return true; |
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179 | } |
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180 | |
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181 | function write_dest($str, &$dest) |
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182 | { |
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183 | if (is_resource($dest)) |
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184 | { |
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185 | fwrite($dest, $str); |
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186 | } |
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187 | else |
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188 | { |
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189 | $dest .= $str; |
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190 | } |
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191 | } |
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192 | |
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193 | function getLanguage() |
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194 | { |
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195 | global $lang, $available_languages; |
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196 | |
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197 | if (isset($_GET['language']) and isset($available_languages[$_GET['language']])) |
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198 | { |
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199 | $language = $_GET['language']; |
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200 | } |
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201 | else |
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202 | { |
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203 | $language = 'en_UK'; |
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204 | // Try to get browser language |
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205 | foreach ($available_languages as $language_code => $language_name) |
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206 | { |
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207 | if (substr($language_code,0,2) == @substr($_SERVER["HTTP_ACCEPT_LANGUAGE"],0,2)) |
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208 | { |
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209 | $language = $language_code; |
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210 | break; |
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211 | } |
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212 | } |
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213 | } |
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214 | // Retrieve traductions |
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215 | $lang = array(); |
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216 | if (fetchRemote(DC_LOADER_SERVICE.'language/'.$language.'/loader.lang.txt', $code)) |
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217 | { |
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218 | @eval($code); |
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219 | define('DC_LOADER_LANG', $language); |
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220 | } |
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221 | } |
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222 | |
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223 | function getLocation() |
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224 | { |
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225 | $server_name = explode(':',$_SERVER['HTTP_HOST']); |
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226 | $server_name = $server_name[0]; |
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227 | if ($_SERVER['SERVER_PORT'] == '443') |
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228 | { |
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229 | $scheme = 'https'; |
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230 | $port = ''; |
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231 | } |
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232 | elseif (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') |
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233 | { |
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234 | $scheme = 'https'; |
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235 | $port = ($_SERVER['SERVER_PORT'] != '443') ? ':'.$_SERVER['SERVER_PORT'] : ''; |
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236 | } |
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237 | else |
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238 | { |
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239 | $scheme = 'http'; |
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240 | $port = ($_SERVER['SERVER_PORT'] != '80') ? ':'.$_SERVER['SERVER_PORT'] : ''; |
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241 | } |
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242 | $loc = preg_replace('#/$#','',str_replace('\\', '/', dirname($_SERVER['SCRIPT_NAME']))); |
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243 | |
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244 | return $scheme.'://'.$server_name.$port.$loc.'/'; |
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245 | } |
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246 | |
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247 | function openPage() |
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248 | { |
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249 | header('Content-Type: text/html; charset=UTF-8'); |
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250 | echo |
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251 | '<!DOCTYPE html>'."\n". |
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252 | '<html lang="'.l10n('code').'" dir="'.l10n('direction').'">'."\n". |
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253 | '<head>'."\n". |
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254 | ' <meta charset="UTF-8" />'."\n". |
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255 | ' <title>'.l10n('Piwigo NetInstall').'</title>'."\n". |
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256 | ' <meta name="ROBOTS" content="NOARCHIVE,NOINDEX,NOFOLLOW" />'."\n". |
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257 | ' <link rel="stylesheet" type="text/css" media="screen" href="'.DC_LOADER_SERVICE.'loader.css" />'."\n". |
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258 | '</head>'."\n". |
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259 | '<body>'."\n". |
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260 | '<div id="theHeader"></div>'."\n". |
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261 | '<div id="content">'."\n". |
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262 | '<h2>'.l10n('Piwigo NetInstall').'</h2>'."\n"; |
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263 | } |
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264 | |
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265 | function closePage() |
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266 | { |
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267 | global $url_subdomain_for_language; |
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268 | |
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269 | $prefix = ''; |
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270 | if (isset($url_subdomain_for_language[DC_LOADER_LANG])) |
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271 | { |
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272 | $prefix = $url_subdomain_for_language[DC_LOADER_LANG].'.'; |
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273 | } |
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274 | |
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275 | echo |
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276 | '<div style="text-align:center">'. |
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277 | sprintf(l10n('Need help ? Ask your question on <a href="%s">Piwigo message board</a>.'), 'http://'.$prefix.'piwigo.org/forum'). |
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278 | '</div>'."\n". |
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279 | '</div>'."\n". |
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280 | '</body>'."\n". |
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281 | '</html>'; |
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282 | } |
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283 | |
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284 | function initPHP5() |
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285 | { |
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286 | $htaccess = dirname(__FILE__).'/.htaccess'; |
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287 | if (file_exists($htaccess)) { |
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288 | if (!is_readable($htaccess) || !is_writable($htaccess)) |
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289 | { |
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290 | return false; |
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291 | } |
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292 | } |
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293 | $rawdatas = ''; |
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294 | if (!fetchRemote(DC_LOADER_SERVICE.'hosting.txt',$rawdatas)) |
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295 | { |
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296 | return false; |
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297 | } |
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298 | $rawdatas = explode("\n",$rawdatas); |
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299 | if (!($my_hostname = @gethostbyaddr($_SERVER['SERVER_ADDR']))) |
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300 | { |
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301 | return false; |
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302 | } |
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303 | $found = false; |
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304 | foreach ($rawdatas as $line) { |
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305 | list($name,$hostname,$rule) = explode('|',trim($line)); |
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306 | if (preg_match('!'.preg_quote($hostname).'$!',$my_hostname)) |
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307 | { |
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308 | $found = $rule; |
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309 | break; |
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310 | } |
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311 | } |
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312 | if ($found) { |
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313 | if (false !== ($fh = @fopen($htaccess,"ab"))) |
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314 | { |
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315 | fwrite($fh,"\n".$found); |
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316 | fclose($fh); |
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317 | return true; |
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318 | } |
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319 | } |
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320 | return false; |
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321 | } |
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322 | |
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323 | function cleanFiles() |
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324 | { |
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325 | @unlink(dirname(__FILE__).'/pwg_files.php'); |
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326 | @unlink(dirname(__FILE__).'/pwg_unzip.php'); |
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327 | @unlink(dirname(__FILE__).'/piwigo-install.zip'); |
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328 | } |
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329 | |
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330 | function grabFiles() |
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331 | { |
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332 | $failed = true; |
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333 | $lib_files = @fopen(dirname(__FILE__).'/pwg_files.php','wb'); |
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334 | $lib_unzip = @fopen(dirname(__FILE__).'/pwg_unzip.php','wb'); |
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335 | $dc_zip = @fopen(dirname(__FILE__).'/piwigo-install.zip','wb'); |
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336 | |
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337 | if (!$lib_files || !$lib_unzip || !$dc_zip) |
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338 | { |
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339 | return false; |
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340 | } |
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341 | |
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342 | if (fetchRemote(DC_LOADER_SERVICE.'lib.files.txt',$lib_files)) |
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343 | { |
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344 | if (fetchRemote(DC_LOADER_SERVICE.'class.unzip.txt',$lib_unzip)) |
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345 | { |
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346 | if (fetchRemote(DC_LOADER_ARCHIVE.'',$dc_zip)) |
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347 | { |
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348 | $failed = false; |
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349 | } |
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350 | } |
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351 | } |
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352 | |
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353 | fclose($lib_files); |
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354 | fclose($lib_unzip); |
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355 | fclose($dc_zip); |
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356 | |
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357 | if ($failed) |
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358 | { |
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359 | cleanFiles(); |
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360 | return false; |
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361 | } |
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362 | return true; |
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363 | } |
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364 | |
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365 | function writeMessage($level,$title,$lines) |
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366 | { |
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367 | if (empty($lines)) |
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368 | { |
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369 | return; |
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370 | } |
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371 | |
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372 | echo |
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373 | '<div class="msg '.$level.'">'."\n". |
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374 | '<h3>'.$title.'</h3>'."\n". |
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375 | '<p>'."\n"; |
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376 | foreach ($lines as $line) |
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377 | { |
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378 | echo $line.'<br />'."\n"; |
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379 | } |
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380 | echo '</p></div>'."\n"; |
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381 | } |
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382 | |
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383 | function nextAction($label,$step,$more='') |
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384 | { |
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385 | echo |
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386 | '<form action="'.$_SERVER['SCRIPT_NAME'].'?language='.DC_LOADER_LANG.'" method="post">'."\n". |
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387 | $more."\n". |
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388 | '<p class="button"><input type="hidden" name="step" value="'.$step.'" />'."\n". |
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389 | '<input type="hidden" name="lang" value="'.DC_LOADER_LANG.'" />'."\n". |
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390 | '<input type="submit" name="submit" value="'.$label.'"/>'."\n". |
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391 | '</p></form>'."\n"; |
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392 | } |
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393 | |
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394 | |
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395 | if (!defined('DC_LOADER_LANG')) |
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396 | { |
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397 | $lang['code'] = 'en'; |
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398 | $lang['direction'] = 'ltr'; |
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399 | |
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400 | // No traduction for this part because can't fetch! |
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401 | openPage(); |
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402 | writeMessage('warning','Damnit!', array( |
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403 | 'Due to restrictions in your PHP configuration, NetInstall cannot get its job done.', |
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404 | 'Please see Piwigo documentation to perform a normal installation.', |
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405 | 'Really sorry for the inconvenience.' |
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406 | )); |
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407 | closePage(); |
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408 | exit; |
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409 | } |
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410 | |
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411 | switch ($step) |
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412 | { |
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413 | case 1 : |
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414 | { |
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415 | openPage(); |
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416 | echo '<fieldset><legend>'.l10n('Welcome to NetInstall!').'</legend>'."\n"; |
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417 | |
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418 | // Show available languages |
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419 | asort($available_languages); |
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420 | echo |
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421 | '<p class="language">'.l10n('Language').' '."\n". |
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422 | '<select name="language" onchange="document.location = \''.basename(__FILE__).'?language=\'+this.options[this.selectedIndex].value;">'."\n"; |
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423 | foreach ($available_languages as $language_code => $language_name) |
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424 | { |
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425 | echo '<option label="'.$language_name.'" value="'.$language_code.'" '.($language_code == DC_LOADER_LANG ? 'selected="selected"' : '').'>'.$language_name.'</option>'."\n"; |
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426 | } |
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427 | echo '</select>'."\n".'</p>'."\n"; |
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428 | |
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429 | echo |
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430 | '<p>'.l10n('This tool is meant to retrieve the latest Piwigo archive and unzip it in your webspace.').'<br />'."\n". |
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431 | l10n('Right after then, you will be redirect to the Piwigo Setup Wizard.').'</p>'."\n"; |
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432 | |
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433 | if (!is_writable(dirname(__FILE__))) |
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434 | { |
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435 | writeMessage('warning',l10n('Write access is needed'), array( |
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436 | l10n('It looks like NetInstall wont be able to write in the current directory, and this is required to follow on.'), |
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437 | l10n('Please try to change the permissions to allow write access, then reload this page by hitting the Refresh button.') |
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438 | )); |
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439 | nextAction(l10n('Refresh'),1); |
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440 | } |
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441 | elseif (!$got_php5) |
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442 | { |
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443 | writeMessage('notice',l10n('PHP 5 is required'), array( |
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444 | sprintf(l10n('It appears your webhost is currently running PHP %s.'), PHP_VERSION), |
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445 | l10n('NetInstall may try to switch your configuration to PHP 5 by creating or modifying a .htaccess file.'), |
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446 | l10n('Note you can change your configuration by yourself and restart NetInstall after that.') |
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447 | )); |
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448 | nextAction(l10n('Try to configure PHP 5'),2); |
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449 | } |
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450 | else |
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451 | { |
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452 | nextAction(l10n('Retrieve and unzip Piwigo'),3, |
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453 | '<p class="destination" dir="ltr"><label for="destination">'.l10n('Destination:').'</label> '. |
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454 | getLocation(). |
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455 | ' <input type="text" id="destination" name="destination" '. |
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456 | 'value="piwigo" size="15" maxlength="100" /></p>' |
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457 | ); |
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458 | } |
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459 | echo '</fieldset>'; |
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460 | closePage(); |
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461 | break; |
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462 | } |
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463 | |
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464 | case 2 : |
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465 | { |
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466 | if (!empty($_POST['submit']) && !$got_php5) |
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467 | { |
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468 | $got_php5 = initPHP5(); |
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469 | } |
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470 | if ($got_php5) |
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471 | { |
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472 | header('Location: '.$_SERVER['SCRIPT_NAME'].'?step=1&language='.DC_LOADER_LANG); |
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473 | } |
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474 | else |
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475 | { |
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476 | openPage(); |
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477 | writeMessage('warning',l10n('Sorry!'),array( |
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478 | l10n('NetInstall was not able to configure PHP 5.'), |
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479 | l10n("You may referer to your hosting provider's support and see how you could switch to PHP 5 by yourself."), |
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480 | l10n('Hope to see you back soon.') |
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481 | )); |
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482 | closePage(); |
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483 | } |
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484 | break; |
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485 | } |
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486 | |
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487 | case 3 : |
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488 | { |
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489 | $msg = array(l10n('What are you doing here that way ?!')); |
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490 | $text = ''; |
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491 | if (!empty($_POST['submit']) && isset($_POST['destination'])) |
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492 | { |
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493 | $msg = array(); |
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494 | $dest = preg_replace('/[^A-Za-z0-9_\/-]/','',$_POST['destination']); |
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495 | $dest = preg_replace('#/+#','/',$dest); |
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496 | |
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497 | if (file_exists(dirname(__FILE__).'/./'.$dest.'/include/mysql.inc.php') || file_exists(dirname(__FILE__).'/./'.$dest.'/include/default_config.inc.php')) |
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498 | { |
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499 | $msg[] = l10n('It seems like a previous Piwigo installation is still sitting in that space.'); |
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500 | $msg[] = l10n('You need to rename or remove it before we can go further...'); |
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501 | } |
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502 | elseif (grabFiles()) |
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503 | { |
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504 | $lib_files = dirname(__FILE__).'/pwg_files.php'; |
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505 | $lib_unzip = dirname(__FILE__).'/pwg_unzip.php'; |
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506 | $dc_zip = dirname(__FILE__).'/piwigo-install.zip'; |
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507 | if (!file_exists($lib_files) || !file_exists($lib_unzip) || !file_exists($dc_zip)) |
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508 | { |
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509 | $msg[] = l10n('Needed files are not present.'); |
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510 | } |
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511 | |
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512 | require $lib_files; |
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513 | require $lib_unzip; |
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514 | $uz = new fileUnzip($dc_zip); |
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515 | $files = $uz->getList(); |
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516 | if (!is_array($files) or count($files) == 0) |
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517 | { |
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518 | $msg[] = l10n('Invalid zip file.'); |
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519 | } |
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520 | else |
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521 | { |
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522 | foreach ($files as $k => $v) |
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523 | { |
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524 | if ($v['is_dir']) |
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525 | { |
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526 | continue; |
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527 | } |
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528 | if (preg_match('#^[^/]*/_data#', $k)) |
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529 | { |
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530 | continue; |
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531 | } |
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532 | $t = preg_replace('#^[^/]*/#','./'.$dest.'/',$k); |
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533 | $uz->unzip($k,$t); |
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534 | } |
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535 | } |
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536 | $uz->close; |
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537 | unset($uz); |
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538 | |
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539 | if (!is_dir(dirname(__FILE__).'/'.$dest)) |
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540 | { |
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541 | $msg[] = l10n('It seems that the zip file was not extracted.'); |
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542 | } |
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543 | else |
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544 | { |
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545 | # Remove files and self-destruction |
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546 | cleanFiles(); |
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547 | unlink(__FILE__); |
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548 | |
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549 | $redir = preg_replace('#/+#','/',str_replace('\\', '/', dirname($_SERVER['SCRIPT_NAME'])).'/'.$dest.'/install.php'); |
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550 | |
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551 | $text = '<fieldset><legend>'.l10n('Congratulations!').'</legend>' |
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552 | .'<p>'.l10n('Everything went fine. You are now ready to start the installation procedure.').'</p>' |
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553 | .'<form action="'.$redir.'" method="get"><p class="button">' |
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554 | . '<input type="hidden" name="language" value="'.DC_LOADER_LANG.'">' |
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555 | . '<input type="submit" value="'.l10n('Install Piwigo now').'" />' |
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556 | . '</p></form>' |
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557 | .'</fieldset>'; |
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558 | } |
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559 | } |
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560 | else |
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561 | { |
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562 | $msg[] = l10n('An error occurred while grabbing the necessary files to go on.'); |
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563 | } |
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564 | } |
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565 | openPage(); |
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566 | writeMessage('warning',l10n('Something went wrong...'),$msg); |
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567 | echo $text; |
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568 | closePage(); |
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569 | break; |
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570 | } |
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571 | } |
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