1 | <?php
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2 | class ap_download extends ap_manage {
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3 |
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4 | var $overwrite = true;
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5 |
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6 | /**
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7 | * Initiate the plugin download
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8 | */
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9 | function process() {
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10 | global $lang;
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11 |
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12 | $plugin_url = $_REQUEST['url'];
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13 | $this->download($plugin_url, $this->overwrite);
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14 | return '';
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15 | }
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16 |
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17 | /**
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18 | * Print results of the download
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19 | */
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20 | function html() {
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21 | parent::html();
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22 |
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23 | ptln('<div class="pm_info">');
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24 | ptln('<h2>'.$this->lang['downloading'].'</h2>');
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25 |
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26 | if ($this->manager->error) {
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27 | ptln('<div class="error">'.str_replace("\n","<br />",$this->manager->error).'</div>');
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28 | } else if (count($this->downloaded) == 1) {
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29 | ptln('<p>'.sprintf($this->lang['downloaded'],$this->downloaded[0]).'</p>');
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30 | } else if (count($this->downloaded)) { // more than one plugin in the download
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31 | ptln('<p>'.$this->lang['downloads'].'</p>');
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32 | ptln('<ul>');
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33 | foreach ($this->downloaded as $plugin) {
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34 | ptln('<li><div class="li">'.$plugin.'</div></li>',2);
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35 | }
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36 | ptln('</ul>');
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37 | } else { // none found in download
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38 | ptln('<p>'.$this->lang['download_none'].'</p>');
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39 | }
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40 | ptln('</div>');
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41 | }
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42 |
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43 | /**
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44 | * Process the downloaded file
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45 | */
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46 | function download($url, $overwrite=false) {
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47 | global $lang;
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48 | // check the url
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49 | $matches = array();
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50 | if (!preg_match("/[^\/]*$/", $url, $matches) || !$matches[0]) {
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51 | $this->manager->error = $this->lang['error_badurl']."\n";
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52 | return false;
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53 | }
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54 |
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55 | $file = $matches[0];
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56 |
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57 | if (!($tmp = io_mktmpdir())) {
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58 | $this->manager->error = $this->lang['error_dircreate']."\n";
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59 | return false;
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60 | }
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61 |
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62 | if (!$file = io_download($url, "$tmp/", true, $file)) {
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63 | $this->manager->error = sprintf($this->lang['error_download'],$url)."\n";
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64 | }
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65 |
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66 | if (!$this->manager->error && !$this->decompress("$tmp/$file", $tmp)) {
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67 | $this->manager->error = sprintf($this->lang['error_decompress'],$file)."\n";
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68 | }
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69 |
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70 | // search $tmp for the folder(s) that has been created
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71 | // move the folder(s) to lib/plugins/
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72 | if (!$this->manager->error) {
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73 | $result = array('old'=>array(), 'new'=>array());
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74 | if($this->find_folders($result,$tmp)){
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75 | // choose correct result array
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76 | if(count($result['new'])){
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77 | $install = $result['new'];
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78 | }else{
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79 | $install = $result['old'];
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80 | }
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81 |
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82 | // now install all found items
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83 | foreach($install as $item){
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84 | // where to install?
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85 | if($item['type'] == 'template'){
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86 | $target = DOKU_INC.'lib/tpl/'.$item['base'];
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87 | }else{
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88 | $target = DOKU_INC.'lib/plugins/'.$item['base'];
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89 | }
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90 |
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91 | // check to make sure we aren't overwriting anything
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92 | if (!$overwrite && @file_exists($target)) {
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93 | // remember our settings, ask the user to confirm overwrite, FIXME
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94 | continue;
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95 | }
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96 |
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97 | $instruction = @file_exists($target) ? 'update' : 'install';
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98 |
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99 | // copy action
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100 | if ($this->dircopy($item['tmp'], $target)) {
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101 | $this->downloaded[] = $item['base'];
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102 | $this->plugin_writelog($target, $instruction, array($url));
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103 | } else {
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104 | $this->manager->error .= sprintf($this->lang['error_copy']."\n", $item['base']);
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105 | }
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106 | }
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107 |
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108 | } else {
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109 | $this->manager->error = $this->lang['error']."\n";
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110 | }
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111 | }
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112 |
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113 | // cleanup
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114 | if ($tmp) $this->dir_delete($tmp);
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115 |
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116 | if (!$this->manager->error) {
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117 | msg(sprintf($this->lang['packageinstalled'], count($this->downloaded), (count($this->downloaded) != 1?'s':''), join(',',$this->downloaded)),1);
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118 | $this->refresh();
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119 | return true;
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120 | }
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121 |
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122 | return false;
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123 | }
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124 |
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125 | /**
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126 | * Find out what was in the extracted directory
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127 | *
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128 | * Correct folders are searched recursively using the "*.info.txt" configs
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129 | * as indicator for a root folder. When such a file is found, it's base
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130 | * setting is used (when set). All folders found by this method are stored
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131 | * in the 'new' key of the $result array.
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132 | *
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133 | * For backwards compatibility all found top level folders are stored as
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134 | * in the 'old' key of the $result array.
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135 | *
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136 | * When no items are found in 'new' the copy mechanism should fall back
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137 | * the 'old' list.
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138 | *
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139 | * @author Andreas Gohr <[email protected]>
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140 | * @param arrayref $result - results are stored here
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141 | * @param string $base - the temp directory where the package was unpacked to
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142 | * @param string $dir - a subdirectory. do not set. used by recursion
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143 | * @return bool - false on error
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144 | */
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145 | function find_folders(&$result,$base,$dir=''){
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146 | $dh = @opendir("$base/$dir");
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147 | if(!$dh) return false;
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148 | while (false !== ($f = readdir($dh))) {
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149 | if ($f == '.' || $f == '..' || $f == 'tmp') continue;
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150 |
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151 | if(!is_dir("$base/$dir/$f")){
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152 | // it's a file -> check for config
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153 | if($f == 'plugin.info.txt'){
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154 | $info = array();
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155 | $info['type'] = 'plugin';
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156 | $info['tmp'] = "$base/$dir";
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157 | $conf = confToHash("$base/$dir/$f");
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158 | $info['base'] = basename($conf['base']);
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159 | if(!$info['base']) $info['base'] = basename("$base/$dir");
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160 | $result['new'][] = $info;
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161 | }elseif($f == 'template.info.txt'){
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162 | $info = array();
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163 | $info['type'] = 'template';
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164 | $info['tmp'] = "$base/$dir";
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165 | $conf = confToHash("$base/$dir/$f");
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166 | $info['base'] = basename($conf['base']);
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167 | if(!$info['base']) $info['base'] = basename("$base/$dir");
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168 | $result['new'][] = $info;
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169 | }
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170 | }else{
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171 | // it's a directory -> add to dir list for old method, then recurse
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172 | if(!$dir){
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173 | $info = array();
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174 | $info['type'] = 'plugin';
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175 | $info['tmp'] = "$base/$dir/$f";
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176 | $info['base'] = $f;
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177 | $result['old'][] = $info;
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178 | }
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179 | $this->find_folders($result,$base,"$dir/$f");
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180 | }
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181 | }
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182 | closedir($dh);
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183 | return true;
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184 | }
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185 |
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186 |
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187 | /**
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188 | * Decompress a given file to the given target directory
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189 | *
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190 | * Determines the compression type from the file extension
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191 | */
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192 | function decompress($file, $target) {
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193 | global $conf;
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194 |
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195 | // decompression library doesn't like target folders ending in "/"
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196 | if (substr($target, -1) == "/") $target = substr($target, 0, -1);
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197 |
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198 | $ext = $this->guess_archive($file);
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199 | if (in_array($ext, array('tar','bz','gz'))) {
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200 | switch($ext){
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201 | case 'bz':
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202 | $compress_type = TarLib::COMPRESS_BZIP;
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203 | break;
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204 | case 'gz':
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205 | $compress_type = TarLib::COMPRESS_GZIP;
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206 | break;
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207 | default:
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208 | $compress_type = TarLib::COMPRESS_NONE;
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209 | }
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210 |
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211 | $tar = new TarLib($file, $compress_type);
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212 | if($tar->_initerror < 0){
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213 | if($conf['allowdebug']){
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214 | msg('TarLib Error: '.$tar->TarErrorStr($tar->_initerror),-1);
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215 | }
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216 | return false;
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217 | }
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218 | $ok = $tar->Extract(TarLib::FULL_ARCHIVE, $target, '', 0777);
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219 |
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220 | if($ok<1){
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221 | if($conf['allowdebug']){
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222 | msg('TarLib Error: '.$tar->TarErrorStr($ok),-1);
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223 | }
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224 | return false;
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225 | }
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226 | return true;
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227 | } else if ($ext == 'zip') {
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228 |
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229 | $zip = new ZipLib();
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230 | $ok = $zip->Extract($file, $target);
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231 |
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232 | // FIXME sort something out for handling zip error messages meaningfully
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233 | return ($ok==-1?false:true);
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234 |
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235 | }
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236 |
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237 | // unsupported file type
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238 | return false;
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239 | }
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240 |
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241 | /**
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242 | * Determine the archive type of the given file
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243 | *
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244 | * Reads the first magic bytes of the given file for content type guessing,
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245 | * if neither bz, gz or zip are recognized, tar is assumed.
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246 | *
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247 | * @author Andreas Gohr <[email protected]>
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248 | * @returns false if the file can't be read, otherwise an "extension"
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249 | */
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250 | function guess_archive($file){
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251 | $fh = fopen($file,'rb');
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252 | if(!$fh) return false;
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253 | $magic = fread($fh,5);
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254 | fclose($fh);
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255 |
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256 | if(strpos($magic,"\x42\x5a") === 0) return 'bz';
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257 | if(strpos($magic,"\x1f\x8b") === 0) return 'gz';
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258 | if(strpos($magic,"\x50\x4b\x03\x04") === 0) return 'zip';
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259 | return 'tar';
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260 | }
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261 |
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262 | /**
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263 | * Copy with recursive sub-directory support
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264 | */
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265 | function dircopy($src, $dst) {
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266 | global $conf;
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267 |
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268 | if (is_dir($src)) {
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269 | if (!$dh = @opendir($src)) return false;
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270 |
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271 | if ($ok = io_mkdir_p($dst)) {
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272 | while ($ok && (false !== ($f = readdir($dh)))) {
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273 | if ($f == '..' || $f == '.') continue;
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274 | $ok = $this->dircopy("$src/$f", "$dst/$f");
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275 | }
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276 | }
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277 |
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278 | closedir($dh);
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279 | return $ok;
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280 |
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281 | } else {
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282 | $exists = @file_exists($dst);
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283 |
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284 | if (!@copy($src,$dst)) return false;
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285 | if (!$exists && !empty($conf['fperm'])) chmod($dst, $conf['fperm']);
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286 | @touch($dst,filemtime($src));
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287 | }
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288 |
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289 | return true;
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290 | }
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291 |
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292 |
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293 | }
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294 |
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