function doUpdate($command, $options, $params) { $tmpdir = $this->config->get('temp_dir'); if (!file_exists($tmpdir)) { require_once 'System.php'; PEAR::staticPushErrorHandling(PEAR_ERROR_RETURN); $err = System::mkdir(array('-p', $tmpdir)); PEAR::staticPopErrorHandling(); if (PEAR::isError($err)) { return $this->raiseError('channel-add: temp_dir does not exist: "' . $tmpdir . '" - You can change this location with "pear config-set temp_dir"'); } } if (!is_writable($tmpdir)) { return $this->raiseError('channel-add: temp_dir is not writable: "' . $tmpdir . '" - You can change this location with "pear config-set temp_dir"'); } $reg =& $this->config->getRegistry(); if (sizeof($params) != 1) { return $this->raiseError("No channel file specified"); } $lastmodified = false; if ((!file_exists($params[0]) || is_dir($params[0])) && $reg->channelExists(strtolower($params[0]))) { $c = $reg->getChannel(strtolower($params[0])); if (PEAR::isError($c)) { return $this->raiseError($c); } $this->ui->outputData("Updating channel \"{$params['0']}\"", $command); $dl =& $this->getDownloader(array()); // if force is specified, use a timestamp of "1" to force retrieval $lastmodified = isset($options['force']) ? false : $c->lastModified(); PEAR::staticPushErrorHandling(PEAR_ERROR_RETURN); $contents = $dl->downloadHttp('http://' . $c->getName() . '/channel.xml', $this->ui, $tmpdir, null, $lastmodified); PEAR::staticPopErrorHandling(); if (PEAR::isError($contents)) { return $this->raiseError('Cannot retrieve channel.xml for channel "' . $c->getName() . '" (' . $contents->getMessage() . ')'); } list($contents, $lastmodified) = $contents; if (!$contents) { $this->ui->outputData("Channel \"{$params['0']}\" is up to date"); return; } $contents = implode('', file($contents)); if (!class_exists('PEAR_ChannelFile')) { require_once 'PEAR/ChannelFile.php'; } $channel = new PEAR_ChannelFile(); $channel->fromXmlString($contents); if (!$channel->getErrors()) { // security check: is the downloaded file for the channel we got it from? if (strtolower($channel->getName()) != strtolower($c->getName())) { if (isset($options['force'])) { $this->ui->log(0, 'WARNING: downloaded channel definition file' . ' for channel "' . $channel->getName() . '" from channel "' . strtolower($c->getName()) . '"'); } else { return $this->raiseError('ERROR: downloaded channel definition file' . ' for channel "' . $channel->getName() . '" from channel "' . strtolower($c->getName()) . '"'); } } } } else { if (strpos($params[0], '://')) { $dl =& $this->getDownloader(); PEAR::staticPushErrorHandling(PEAR_ERROR_RETURN); $loc = $dl->downloadHttp($params[0], $this->ui, $tmpdir, null, $lastmodified); PEAR::staticPopErrorHandling(); if (PEAR::isError($loc)) { return $this->raiseError("Cannot open " . $params[0] . ' (' . $loc->getMessage() . ')'); } else { list($loc, $lastmodified) = $loc; $contents = implode('', file($loc)); } } else { $fp = false; if (file_exists($params[0])) { $fp = fopen($params[0], 'r'); } if (!$fp) { return $this->raiseError("Cannot open " . $params[0]); } $contents = ''; while (!feof($fp)) { $contents .= fread($fp, 1024); } fclose($fp); } if (!class_exists('PEAR_ChannelFile')) { require_once 'PEAR/ChannelFile.php'; } $channel = new PEAR_ChannelFile(); $channel->fromXmlString($contents); } $exit = false; if (count($errors = $channel->getErrors(true))) { foreach ($errors as $error) { $this->ui->outputData(ucfirst($error['level'] . ': ' . $error['message'])); if (!$exit) { $exit = $error['level'] == 'error' ? true : false; } } if ($exit) { return $this->raiseError('Invalid channel.xml file'); } } if (!$reg->channelExists($channel->getName())) { return $this->raiseError('Error: Channel "' . $channel->getName() . '" does not exist, use channel-add to add an entry'); } $ret = $reg->updateChannel($channel, $lastmodified); if (PEAR::isError($ret)) { return $ret; } if (!$ret) { return $this->raiseError('Updating Channel "' . $channel->getName() . '" in registry failed'); } $this->config->setChannels($reg->listChannels()); $this->config->writeConfigFile(); $this->ui->outputData('Update of Channel "' . $channel->getName() . '" succeeded'); }