channels.php

php-4.4.7学习linux时下载的源代码

                if ($channel->getName() != $save) {
                    $this->ui->outputData('ERROR: Security risk - downloaded channel ' .
                        'definition file for channel "'
                        . $channel->getName() . ' from channel "' . $save .
                        '".  To use anyway, use channel-update', $command);
                    continue;
                }
                $reg->updateChannel($channel, $lastmodified);
            } else {
                if ($reg->isAlias($channel)) {
                    $temp = &$reg->getChannel($channel);
                    $temp->setAlias($temp->getName(), true); // set the alias to the channel name
                    if ($reg->channelExists($temp->getName())) {
                        $this->ui->outputData('ERROR: existing channel "' . $temp->getName() .
                            '" is aliased to "' . $channel . '" already and cannot be ' .
                            're-aliased to "' . $temp->getName() . '" because a channel with ' .
                            'that name or alias already exists!  Please re-alias and try ' .
                            'again.', $command);
                        continue;
                    }
                }
                $this->ui->outputData("Adding new channel \"$channel\"", $command);
                PEAR::staticPushErrorHandling(PEAR_ERROR_RETURN);
                $contents = $dl->downloadHttp('http://' . $channel . '/channel.xml',
                    $this->ui, $tmpdir, null, false);
                PEAR::staticPopErrorHandling();
                if (PEAR::isError($contents)) {
                    $this->ui->outputData('ERROR: Cannot retrieve channel.xml for channel "' .
                        $channel . '"', $command);
                    continue;
                }
                list($contents, $lastmodified) = $contents;
                $info = implode('', file($contents));
                if (!class_exists('PEAR_ChannelFile')) {
                    require_once 'PEAR/ChannelFile.php';
                }
                $channelinfo = new PEAR_Channelfile;
                $channelinfo->fromXmlString($info);
                if ($channelinfo->getErrors()) {
                    $this->ui->outputData("Downloaded channel data from channel \"$channel\"" .
                        ' is corrupt, skipping', $command);
                    continue;
                }
                $channel = $channelinfo;
                if ($channel->getName() != $save) {
                    $this->ui->outputData('ERROR: Security risk - downloaded channel ' .
                        'definition file for channel "'
                        . $channel->getName() . '" from channel "' . $save .
                        '".  To use anyway, use channel-update', $command);
                    continue;
                }
                $reg->addChannel($channel, $lastmodified);
            }
        }
        $this->config->set('default_channel', $savechannel);
        $this->ui->outputData('update-channels complete', $command);
        return true;
    }
    
    function doInfo($command, $options, $params)
    {
        if (sizeof($params) != 1) {
            return $this->raiseError("No channel specified");
        }
        $reg = &$this->config->getRegistry();
        $channel = strtolower($params[0]);
        if ($reg->channelExists($channel)) {
            $chan = $reg->getChannel($channel);
        } else {
            if (strpos($channel, '://')) {
                $downloader = &$this->getDownloader();
                if (!class_exists('System')) {
                    require_once 'System.php';
                }
                $tmpdir = System::mktemp(array('-d'));
                PEAR::staticPushErrorHandling(PEAR_ERROR_RETURN);
                $loc = $downloader->downloadHttp($channel, $this->ui, $tmpdir);
                PEAR::staticPopErrorHandling();
                if (PEAR::isError($loc)) {
                    return $this->raiseError('Cannot open "' . $channel . '"');
                } else {
                    $contents = implode('', file($loc));
                }
            } else {
                $fp = @fopen($params[0], 'r');
                if (!$fp) {
                    if (@file_exists($params[0])) {
                        return $this->raiseError('Cannot open "' . $params[0] . '"');
                    } else {
                        return $this->raiseError('Unknown channel "' . $channel . '"');
                    }
                }
                $contents = '';
                while (!feof($fp)) {
                    $contents .= fread($fp, 1024);
                }
                fclose($fp);
            }
            if (!class_exists('PEAR_ChannelFile')) {
                require_once 'PEAR/ChannelFile.php';
            }
            $chan = new PEAR_ChannelFile;
            $chan->fromXmlString($contents);
            $chan->validate();
            if ($errs = $chan->getErrors(true)) {
                foreach ($errs as $err) {
                    $this->ui->outputData($err['level'] . ': ' . $err['message']);
                }
                return $this->raiseError('Channel file "' . $params[0] . '" is not valid');
            }
        }
        if ($chan) {
            $channel = $chan->getName();
            $caption = 'Channel ' . $channel . ' Information:';
            $data1 = array(
                'caption' => $caption,
                'border' => true);
            $data1['data']['server'] = array('Name and Server', $chan->getName());
            if ($chan->getAlias() != $chan->getName()) {
                $data1['data']['alias'] = array('Alias', $chan->getAlias());
            }
            $data1['data']['summary'] = array('Summary', $chan->getSummary());
            $validate = $chan->getValidationPackage();
            $data1['data']['vpackage'] = array('Validation Package Name', $validate['_content']);
            $data1['data']['vpackageversion'] =
                array('Validation Package Version', $validate['attribs']['version']);
            $d = array();
            $d['main'] = $data1;

            $data['data'] = array();
            $data['caption'] = 'Server Capabilities';
            $data['headline'] = array('Type', 'Version/REST type', 'Function Name/REST base');
            $capabilities = $chan->getFunctions('xmlrpc');
            $soaps = $chan->getFunctions('soap');
            if ($capabilities || $soaps || $chan->supportsREST()) {
                if ($capabilities) {
                    if (!isset($capabilities[0])) {
                        $capabilities = array($capabilities);
                    }
                    foreach ($capabilities as $protocol) {
                        $data['data'][] = array('xmlrpc', $protocol['attribs']['version'],
                            $protocol['_content']);
                    }
                }
                if ($soaps) {
                    if (!isset($soaps[0])) {
                        $soaps = array($soaps);
                    }
                    foreach ($soaps as $protocol) {
                        $data['data'][] = array('soap', $protocol['attribs']['version'],
                            $protocol['_content']);
                    }
                }
                if ($chan->supportsREST()) {
                    $funcs = $chan->getFunctions('rest');
                    if (!isset($funcs[0])) {
                        $funcs = array($funcs);
                    }
                    foreach ($funcs as $protocol) {
                        $data['data'][] = array('rest', $protocol['attribs']['type'],
                            $protocol['_content']); 
                    }
                }
            } else {
                $data['data'][] = array('No supported protocols');
            }
            $d['protocols'] = $data;
            $data['data'] = array();
            $mirrors = $chan->getMirrors();
            if ($mirrors) {
                $data['caption'] = 'Channel ' . $channel . ' Mirrors:';
                unset($data['headline']);
                foreach ($mirrors as $mirror) {
                    $data['data'][] = array($mirror['attribs']['host']);
                    $d['mirrors'] = $data;
                }
                foreach ($mirrors as $mirror) {
                    $data['data'] = array();
                    $data['caption'] = 'Mirror ' . $mirror['attribs']['host'] . ' Capabilities';
                    $data['headline'] = array('Type', 'Version/REST type', 'Function Name/REST base');
                    $capabilities = $chan->getFunctions('xmlrpc', $mirror['attribs']['host']);
                    $soaps = $chan->getFunctions('soap', $mirror['attribs']['host']);
                    if ($capabilities || $soaps || $chan->supportsREST($mirror['attribs']['host'])) {
                        if ($capabilities) {
                            if (!isset($capabilities[0])) {
                                $capabilities = array($capabilities);
                            }
                            foreach ($capabilities as $protocol) {
                                $data['data'][] = array('xmlrpc', $protocol['attribs']['version'],
                                    $protocol['_content']);
                            }
                        }
                        if ($soaps) {
                            if (!isset($soaps[0])) {
                                $soaps = array($soaps);
                            }
                            foreach ($soaps as $protocol) {
                                $data['data'][] = array('soap', $protocol['attribs']['version'],
                                    $protocol['_content']);
                            }
                        }
                        if ($chan->supportsREST($mirror['attribs']['host'])) {
                            $funcs = $chan->getFunctions('rest', $mirror['attribs']['host']);
                            if (!isset($funcs[0])) {
                                $funcs = array($funcs);
                            }
                            foreach ($funcs as $protocol) {
                                $data['data'][] = array('rest', $protocol['attribs']['type'],
                                    $protocol['_content']); 
                            }
                        }
                    } else {
                        $data['data'][] = array('No supported protocols');
                    }
                    $d['mirrorprotocols'] = $data;
                }
            }
            $this->ui->outputData($d, 'channel-info');
        } else {
            return $this->raiseError('Serious error: Channel "' . $params[0] .
                '" has a corrupted registry entry');
        }
    }

    // }}}
    
    function doDelete($command, $options, $params)
    {
        if (sizeof($params) != 1) {
            return $this->raiseError('channel-delete: no channel specified');
        }
        $reg = &$this->config->getRegistry();
        if (!$reg->channelExists($params[0])) {
            return $this->raiseError('channel-delete: channel "' . $params[0] . '" does not exist');
        }
        $channel = $reg->channelName($params[0]);
        if ($channel == 'pear.php.net') {
            return $this->raiseError('Cannot delete the pear.php.net channel');
        }
        if ($channel == 'pecl.php.net') {
            return $this->raiseError('Cannot delete the pecl.php.net channel');
        }
        if ($channel == '__uri') {
            return $this->raiseError('Cannot delete the __uri pseudo-channel');
        }
        if (PEAR::isError($err = $reg->listPackages($channel))) {
            return $err;
        }
        if (count($err)) {
            return $this->raiseError('Channel "' . $channel .
                '" has installed packages, cannot delete');
        }
        if (!$reg->deleteChannel($channel)) {
            return $this->raiseError('Channel "' . $channel . '" deletion failed');
        } else {
            $this->config->deleteChannel($channel);
            $this->ui->outputData('Channel "' . $channel . '" deleted', $command);