1 | <?php |
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2 | |
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3 | if (!defined('PHPWG_ROOT_PATH')) die('Hacking attempt!'); |
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4 | |
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5 | class updates |
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6 | { |
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7 | var $types = array(); |
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8 | var $plugins; |
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9 | var $themes; |
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10 | var $languages; |
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11 | var $missing = array(); |
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12 | var $default_plugins = array(); |
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13 | var $default_themes = array(); |
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14 | var $default_languages = array(); |
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15 | var $merged_extensions = array(); |
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16 | var $merged_extension_url = 'http://piwigo.org/download/merged_extensions.txt'; |
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17 | |
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18 | function __construct($page='updates') |
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19 | { |
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20 | $this->types = array('plugins', 'themes', 'languages'); |
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21 | |
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22 | if (in_array($page, $this->types)) |
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23 | { |
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24 | $this->types = array($page); |
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25 | } |
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26 | $this->default_themes = array('clear', 'dark', 'Sylvia', 'elegant'); |
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27 | $this->default_plugins = array('admin_multi_view', 'c13y_upgrade', 'language_switch', 'LocalFilesEditor'); |
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28 | |
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29 | foreach ($this->types as $type) |
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30 | { |
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31 | include_once(PHPWG_ROOT_PATH.'admin/include/'.$type.'.class.php'); |
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32 | $this->$type = new $type(); |
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33 | } |
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34 | } |
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35 | |
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36 | function check_piwigo_upgrade() |
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37 | { |
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38 | $_SESSION['need_update'] = null; |
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39 | |
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40 | if (preg_match('/(\d+\.\d+)\.(\d+)/', PHPWG_VERSION, $matches) |
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41 | and @fetchRemote(PHPWG_URL.'/download/all_versions.php?rand='.md5(uniqid(rand(), true)), $result)) |
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42 | { |
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43 | $all_versions = @explode("\n", $result); |
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44 | $new_version = trim($all_versions[0]); |
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45 | $_SESSION['need_update'] = version_compare(PHPWG_VERSION, $new_version, '<'); |
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46 | } |
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47 | } |
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48 | |
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49 | function get_server_extensions($version=PHPWG_VERSION) |
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50 | { |
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51 | global $user; |
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52 | |
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53 | $get_data = array( |
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54 | 'format' => 'php', |
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55 | ); |
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56 | |
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57 | // Retrieve PEM versions |
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58 | $versions_to_check = array(); |
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59 | $url = PEM_URL . '/api/get_version_list.php'; |
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60 | if (fetchRemote($url, $result, $get_data) and $pem_versions = @unserialize($result)) |
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61 | { |
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62 | if (!preg_match('/^\d+\.\d+\.\d+$/', $version)) |
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63 | { |
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64 | $version = $pem_versions[0]['name']; |
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65 | } |
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66 | $branch = get_branch_from_version($version); |
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67 | foreach ($pem_versions as $pem_version) |
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68 | { |
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69 | if (strpos($pem_version['name'], $branch) === 0) |
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70 | { |
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71 | $versions_to_check[] = $pem_version['id']; |
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72 | } |
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73 | } |
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74 | } |
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75 | if (empty($versions_to_check)) |
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76 | { |
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77 | return false; |
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78 | } |
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79 | |
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80 | // Extensions to check |
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81 | $ext_to_check = array(); |
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82 | foreach ($this->types as $type) |
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83 | { |
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84 | $fs = 'fs_'.$type; |
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85 | foreach ($this->$type->$fs as $ext) |
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86 | { |
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87 | if (isset($ext['extension'])) |
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88 | { |
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89 | $ext_to_check[$ext['extension']] = $type; |
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90 | } |
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91 | } |
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92 | } |
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93 | |
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94 | // Retrieve PEM plugins infos |
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95 | $url = PEM_URL . '/api/get_revision_list.php'; |
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96 | $get_data = array_merge($get_data, array( |
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97 | 'last_revision_only' => 'true', |
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98 | 'version' => implode(',', $versions_to_check), |
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99 | 'lang' => substr($user['language'], 0, 2), |
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100 | 'get_nb_downloads' => 'true', |
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101 | ) |
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102 | ); |
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103 | |
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104 | $post_data = array(); |
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105 | if (!empty($ext_to_check)) |
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106 | { |
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107 | $post_data['extension_include'] = implode(',', array_keys($ext_to_check)); |
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108 | } |
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109 | |
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110 | if (fetchRemote($url, $result, $get_data, $post_data)) |
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111 | { |
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112 | $pem_exts = @unserialize($result); |
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113 | if (!is_array($pem_exts)) |
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114 | { |
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115 | return false; |
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116 | } |
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117 | foreach ($pem_exts as $ext) |
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118 | { |
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119 | if (isset($ext_to_check[$ext['extension_id']])) |
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120 | { |
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121 | $server = 'server_'.$ext_to_check[$ext['extension_id']]; |
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122 | $this->$ext_to_check[$ext['extension_id']]->$server += array($ext['extension_id'] => $ext); |
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123 | unset($ext_to_check[$ext['extension_id']]); |
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124 | } |
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125 | } |
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126 | $this->check_missing_extensions($ext_to_check); |
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127 | return true; |
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128 | } |
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129 | return false; |
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130 | } |
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131 | |
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132 | // Check all extensions upgrades |
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133 | function check_extensions() |
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134 | { |
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135 | global $conf; |
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136 | |
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137 | if (!$this->get_server_extensions()) |
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138 | { |
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139 | return false; |
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140 | } |
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141 | |
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142 | $_SESSION['extensions_need_update'] = array(); |
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143 | |
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144 | foreach ($this->types as $type) |
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145 | { |
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146 | $fs = 'fs_'.$type; |
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147 | $server = 'server_'.$type; |
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148 | $server_ext = $this->$type->$server; |
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149 | $fs_ext = $this->$type->$fs; |
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150 | |
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151 | $ignore_list = array(); |
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152 | $need_upgrade = array(); |
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153 | |
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154 | foreach($fs_ext as $ext_id => $fs_ext) |
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155 | { |
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156 | if (isset($fs_ext['extension']) and isset($server_ext[$fs_ext['extension']])) |
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157 | { |
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158 | $ext_info = $server_ext[$fs_ext['extension']]; |
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159 | |
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160 | if (!$this->version_compare($fs_ext['version'], $ext_info['revision_name'], $type)) |
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161 | { |
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162 | if (in_array($ext_id, $conf['updates_ignored'][$type])) |
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163 | { |
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164 | array_push($ignore_list, $ext_id); |
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165 | } |
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166 | else |
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167 | { |
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168 | $_SESSION['extensions_need_update'][$type][$ext_id] = $ext_info['revision_name']; |
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169 | } |
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170 | } |
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171 | } |
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172 | } |
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173 | $conf['updates_ignored'][$type] = $ignore_list; |
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174 | } |
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175 | conf_update_param('updates_ignored', pwg_db_real_escape_string(serialize($conf['updates_ignored']))); |
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176 | } |
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177 | |
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178 | // Check if extension have been upgraded since last check |
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179 | function check_updated_extensions() |
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180 | { |
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181 | foreach ($this->types as $type) |
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182 | { |
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183 | if (!empty($_SESSION['extensions_need_update'][$type])) |
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184 | { |
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185 | $fs = 'fs_'.$type; |
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186 | foreach($this->$type->$fs as $ext_id => $fs_ext) |
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187 | { |
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188 | if (isset($_SESSION['extensions_need_update'][$type][$ext_id]) |
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189 | and $this->version_compare($fs_ext['version'], $_SESSION['extensions_need_update'][$type][$ext_id], $type)) |
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190 | { |
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191 | // Extension have been upgraded |
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192 | $this->check_extensions(); |
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193 | break; |
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194 | } |
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195 | } |
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196 | } |
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197 | } |
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198 | } |
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199 | |
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200 | function check_missing_extensions($missing) |
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201 | { |
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202 | foreach ($missing as $id => $type) |
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203 | { |
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204 | $fs = 'fs_'.$type; |
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205 | $default = 'default_'.$type; |
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206 | foreach ($this->$type->$fs as $ext_id => $ext) |
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207 | { |
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208 | if (isset($ext['extension']) and $id == $ext['extension'] |
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209 | and !in_array($ext_id, $this->$default) |
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210 | and !in_array($ext['extension'], $this->merged_extensions)) |
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211 | { |
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212 | $this->missing[$type][] = $ext; |
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213 | break; |
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214 | } |
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215 | } |
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216 | } |
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217 | } |
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218 | |
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219 | function get_merged_extensions($version) |
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220 | { |
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221 | if (fetchRemote($this->merged_extension_url, $result)) |
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222 | { |
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223 | $rows = explode("\n", $result); |
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224 | foreach ($rows as $row) |
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225 | { |
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226 | if (preg_match('/^(\d+\.\d+): *(.*)$/', $row, $match)) |
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227 | { |
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228 | if (version_compare($version, $match[1], '>=')) |
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229 | { |
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230 | $extensions = explode(',', trim($match[2])); |
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231 | $this->merged_extensions = array_merge($this->merged_extensions, $extensions); |
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232 | } |
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233 | } |
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234 | } |
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235 | } |
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236 | } |
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237 | |
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238 | function version_compare($a, $b, $type) |
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239 | { |
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240 | $version_compare = rtrim($type, 's').'_version_compare'; |
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241 | |
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242 | return $this->$type->$version_compare($a, $b); |
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243 | } |
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244 | |
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245 | function deltree($path, $move_to_trash=false) |
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246 | { |
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247 | if (is_dir($path)) |
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248 | { |
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249 | $fh = opendir($path); |
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250 | while ($file = readdir($fh)) |
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251 | { |
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252 | if ($file != '.' and $file != '..') |
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253 | { |
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254 | $pathfile = $path . '/' . $file; |
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255 | if (is_dir($pathfile)) |
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256 | { |
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257 | self::deltree($pathfile, $move_to_trash); |
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258 | } |
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259 | else |
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260 | { |
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261 | @unlink($pathfile); |
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262 | } |
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263 | } |
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264 | } |
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265 | closedir($fh); |
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266 | if (@rmdir($path)) |
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267 | { |
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268 | return true; |
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269 | } |
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270 | elseif ($move_to_trash) |
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271 | { |
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272 | $trash = PHPWG_ROOT_PATH.'_trash'; |
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273 | if (!is_dir($trash)) |
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274 | { |
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275 | @mkgetdir($trash); |
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276 | } |
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277 | return @rename($path, $trash . '/'.md5(uniqid(rand(), true))); |
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278 | } |
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279 | else |
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280 | { |
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281 | return false; |
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282 | } |
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283 | } |
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284 | } |
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285 | |
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286 | function process_obsolete_list($file) |
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287 | { |
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288 | if (file_exists(PHPWG_ROOT_PATH.$file) |
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289 | and $old_files = file(PHPWG_ROOT_PATH.$file, FILE_IGNORE_NEW_LINES) |
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290 | and !empty($old_files)) |
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291 | { |
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292 | array_push($old_files, $file); |
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293 | foreach($old_files as $old_file) |
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294 | { |
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295 | $path = PHPWG_ROOT_PATH.$old_file; |
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296 | if (is_file($path)) |
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297 | { |
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298 | @unlink($path); |
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299 | } |
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300 | elseif (is_dir($path)) |
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301 | { |
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302 | self::deltree($path, true); |
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303 | } |
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304 | } |
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305 | } |
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306 | } |
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307 | |
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308 | function dump_database($include_history=false) |
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309 | { |
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310 | global $page, $conf, $cfgBase; |
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311 | |
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312 | if (version_compare(PHPWG_VERSION, '2.1', '<')) |
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313 | { |
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314 | $conf['db_base'] = $cfgBase; |
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315 | } |
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316 | |
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317 | include(PHPWG_ROOT_PATH.'admin/include/mysqldump.php'); |
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318 | |
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319 | $path = PHPWG_ROOT_PATH.$conf['data_location'].'update'; |
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320 | |
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321 | if (@mkgetdir($path) |
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322 | and ($backupFile = tempnam($path, 'sql')) |
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323 | and ($dumper = new MySQLDump($conf['db_base'],$backupFile,false,false))) |
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324 | { |
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325 | foreach (get_defined_constants() as $constant => $value) |
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326 | { |
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327 | if (preg_match('/_TABLE$/', $constant)) |
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328 | { |
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329 | $dumper->getTableStructure($value); |
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330 | if ($constant == 'HISTORY_TABLE' and !$include_history) |
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331 | { |
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332 | continue; |
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333 | } |
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334 | $dumper->getTableData($value); |
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335 | } |
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336 | } |
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337 | } |
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338 | |
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339 | if (@filesize($backupFile)) |
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340 | { |
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341 | $http_headers = array( |
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342 | 'Content-Length: '.@filesize($backupFile), |
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343 | 'Content-Type: text/x-sql', |
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344 | 'Content-Disposition: attachment; filename="database.sql";', |
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345 | 'Content-Transfer-Encoding: binary', |
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346 | ); |
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347 | |
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348 | foreach ($http_headers as $header) { |
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349 | header($header); |
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350 | } |
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351 | |
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352 | @readfile($backupFile); |
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353 | self::deltree(PHPWG_ROOT_PATH.$conf['data_location'].'update'); |
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354 | exit(); |
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355 | } |
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356 | else |
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357 | { |
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358 | array_push($page['errors'], l10n('Unable to dump database.')); |
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359 | } |
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360 | } |
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361 | |
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362 | function upgrade_to($upgrade_to, &$step, $check_current_version=true) |
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363 | { |
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364 | global $page, $conf, $template; |
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365 | |
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366 | if ($check_current_version and !version_compare($upgrade_to, PHPWG_VERSION, '>')) |
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367 | { |
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368 | redirect(get_root_url().'admin.php?page=plugin-'.basename(dirname(__FILE__))); |
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369 | } |
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370 | |
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371 | if ($step == 2) |
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372 | { |
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373 | preg_match('/(\d+\.\d+)\.(\d+)/', PHPWG_VERSION, $matches); |
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374 | $code = $matches[1].'.x_to_'.$upgrade_to; |
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375 | $dl_code = str_replace(array('.', '_'), '', $code); |
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376 | $remove_path = $code; |
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377 | $obsolete_list = 'obsolete.list'; |
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378 | } |
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379 | else |
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380 | { |
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381 | $code = $upgrade_to; |
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382 | $dl_code = $code; |
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383 | $remove_path = version_compare($code, '2.0.8', '>=') ? 'piwigo' : 'piwigo-'.$code; |
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384 | $obsolete_list = PHPWG_ROOT_PATH.'install/obsolete.list'; |
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385 | } |
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386 | |
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387 | if (empty($page['errors'])) |
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388 | { |
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389 | $path = PHPWG_ROOT_PATH.$conf['data_location'].'update'; |
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390 | $filename = $path.'/'.$code.'.zip'; |
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391 | @mkgetdir($path); |
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392 | |
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393 | $chunk_num = 0; |
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394 | $end = false; |
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395 | $zip = @fopen($filename, 'w'); |
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396 | |
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397 | while (!$end) |
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398 | { |
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399 | $chunk_num++; |
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400 | if (@fetchRemote(PHPWG_URL.'/download/dlcounter.php?code='.$dl_code.'&chunk_num='.$chunk_num, $result) |
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401 | and $input = @unserialize($result)) |
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402 | { |
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403 | if (0 == $input['remaining']) |
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404 | { |
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405 | $end = true; |
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406 | } |
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407 | @fwrite($zip, base64_decode($input['data'])); |
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408 | } |
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409 | else |
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410 | { |
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411 | $end = true; |
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412 | } |
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413 | } |
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414 | @fclose($zip); |
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415 | |
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416 | if (@filesize($filename)) |
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417 | { |
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418 | $zip = new PclZip($filename); |
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419 | if ($result = $zip->extract(PCLZIP_OPT_PATH, PHPWG_ROOT_PATH, |
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420 | PCLZIP_OPT_REMOVE_PATH, $remove_path, |
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421 | PCLZIP_OPT_SET_CHMOD, 0755, |
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422 | PCLZIP_OPT_REPLACE_NEWER)) |
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423 | { |
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424 | //Check if all files were extracted |
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425 | $error = ''; |
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426 | foreach($result as $extract) |
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427 | { |
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428 | if (!in_array($extract['status'], array('ok', 'filtered', 'already_a_directory'))) |
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429 | { |
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430 | // Try to change chmod and extract |
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431 | if (@chmod(PHPWG_ROOT_PATH.$extract['filename'], 0777) |
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432 | and ($res = $zip->extract(PCLZIP_OPT_BY_NAME, $remove_path.'/'.$extract['filename'], |
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433 | PCLZIP_OPT_PATH, PHPWG_ROOT_PATH, |
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434 | PCLZIP_OPT_REMOVE_PATH, $remove_path, |
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435 | PCLZIP_OPT_SET_CHMOD, 0755, |
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436 | PCLZIP_OPT_REPLACE_NEWER)) |
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437 | and isset($res[0]['status']) |
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438 | and $res[0]['status'] == 'ok') |
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439 | { |
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440 | continue; |
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441 | } |
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442 | else |
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443 | { |
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444 | $error .= $extract['filename'].': '.$extract['status']."\n"; |
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445 | } |
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446 | } |
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447 | } |
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448 | |
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449 | if (empty($error)) |
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450 | { |
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451 | self::process_obsolete_list($obsolete_list); |
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452 | self::deltree(PHPWG_ROOT_PATH.$conf['data_location'].'update'); |
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453 | invalidate_user_cache(true); |
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454 | $template->delete_compiled_templates(); |
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455 | unset($_SESSION['need_update']); |
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456 | if ($step == 2) |
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457 | { |
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458 | array_push($page['infos'], l10n('Update Complete'), $upgrade_to); |
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459 | $step = -1; |
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460 | } |
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461 | else |
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462 | { |
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463 | redirect(PHPWG_ROOT_PATH.'upgrade.php?now='); |
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464 | } |
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465 | } |
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466 | else |
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467 | { |
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468 | file_put_contents(PHPWG_ROOT_PATH.$conf['data_location'].'update/log_error.txt', $error); |
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469 | array_push( |
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470 | $page['errors'], |
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471 | sprintf( |
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472 | l10n('An error has occured during extract. Please check files permissions of your piwigo installation.<br><a href="%s">Click here to show log error</a>.'), |
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473 | get_root_url().$conf['data_location'].'update/log_error.txt' |
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474 | ) |
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475 | ); |
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476 | } |
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477 | } |
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478 | else |
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479 | { |
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480 | self::deltree(PHPWG_ROOT_PATH.$conf['data_location'].'update'); |
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481 | array_push($page['errors'], l10n('An error has occured during upgrade.')); |
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482 | } |
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483 | } |
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484 | else |
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485 | { |
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486 | array_push($page['errors'], l10n('Piwigo cannot retrieve upgrade file from server')); |
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487 | } |
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488 | } |
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489 | } |
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490 | } |
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491 | |
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492 | ?> |
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