| 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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