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<?php /** * PEAR_REST_13 * * PHP versions 4 and 5 * * @category pear * @package PEAR * @author Greg Beaver <cellog@php.net> * @copyright 1997-2009 The Authors * @license http://opensource.org/licenses/bsd-license.php New BSD License * @link http://pear.php.net/package/PEAR * @since File available since Release 1.4.0a12 */ /** * For downloading REST xml/txt files */ require_once 'PEAR/REST.php'; require_once 'PEAR/REST/10.php'; /** * Implement REST 1.3 * * @category pear * @package PEAR * @author Greg Beaver <cellog@php.net> * @copyright 1997-2009 The Authors * @license http://opensource.org/licenses/bsd-license.php New BSD License * @version Release: 1.10.16 * @link http://pear.php.net/package/PEAR * @since Class available since Release 1.4.0a12 */ class PEAR_REST_13 extends PEAR_REST_10 { /** * Retrieve information about a remote package to be downloaded from a REST server * * This is smart enough to resolve the minimum PHP version dependency prior to download * @param string $base The uri to prepend to all REST calls * @param array $packageinfo an array of format: * <pre> * array( * 'package' => 'packagename', * 'channel' => 'channelname', * ['state' => 'alpha' (or valid state),] * -or- * ['version' => '1.whatever'] * </pre> * @param string $prefstate Current preferred_state config variable value * @param bool $installed the installed version of this package to compare against * @return array|false|PEAR_Error see {@link _returnDownloadURL()} */ function getDownloadURL($base, $packageinfo, $prefstate, $installed, $channel = false) { $states = $this->betterStates($prefstate, true); if (!$states) { return PEAR::raiseError('"' . $prefstate . '" is not a valid state'); } $channel = $packageinfo['channel']; $package = $packageinfo['package']; $state = isset($packageinfo['state']) ? $packageinfo['state'] : null; $version = isset($packageinfo['version']) ? $packageinfo['version'] : null; $restFile = $base . 'r/' . strtolower($package) . '/allreleases2.xml'; $info = $this->_rest->retrieveData($restFile, false, false, $channel); if (PEAR::isError($info)) { return PEAR::raiseError('No releases available for package "' . $channel . '/' . $package . '"'); } if (!isset($info['r'])) { return false; } $release = $found = false; if (!is_array($info['r']) || !isset($info['r'][0])) { $info['r'] = array($info['r']); } $skippedphp = false; foreach ($info['r'] as $release) { if (!isset($this->_rest->_options['force']) && ($installed && version_compare($release['v'], $installed, '<'))) { continue; } if (isset($state)) { // try our preferred state first if ($release['s'] == $state) { if (!isset($version) && version_compare($release['m'], phpversion(), '>')) { // skip releases that require a PHP version newer than our PHP version $skippedphp = $release; continue; } $found = true; break; } // see if there is something newer and more stable // bug #7221 if (in_array($release['s'], $this->betterStates($state), true)) { if (!isset($version) && version_compare($release['m'], phpversion(), '>')) { // skip releases that require a PHP version newer than our PHP version $skippedphp = $release; continue; } $found = true; break; } } elseif (isset($version)) { if ($release['v'] == $version) { if (!isset($this->_rest->_options['force']) && !isset($version) && version_compare($release['m'], phpversion(), '>')) { // skip releases that require a PHP version newer than our PHP version $skippedphp = $release; continue; } $found = true; break; } } else { if (in_array($release['s'], $states)) { if (version_compare($release['m'], phpversion(), '>')) { // skip releases that require a PHP version newer than our PHP version $skippedphp = $release; continue; } $found = true; break; } } } if (!$found && $skippedphp) { $found = null; } return $this->_returnDownloadURL($base, $package, $release, $info, $found, $skippedphp, $channel); } function getDepDownloadURL($base, $xsdversion, $dependency, $deppackage, $prefstate = 'stable', $installed = false, $channel = false) { $states = $this->betterStates($prefstate, true); if (!$states) { return PEAR::raiseError('"' . $prefstate . '" is not a valid state'); } $channel = $dependency['channel']; $package = $dependency['name']; $state = isset($dependency['state']) ? $dependency['state'] : null; $version = isset($dependency['version']) ? $dependency['version'] : null; $restFile = $base . 'r/' . strtolower($package) .'/allreleases2.xml'; $info = $this->_rest->retrieveData($restFile, false, false, $channel); if (PEAR::isError($info)) { return PEAR::raiseError('Package "' . $deppackage['channel'] . '/' . $deppackage['package'] . '" dependency "' . $channel . '/' . $package . '" has no releases'); } if (!is_array($info) || !isset($info['r'])) { return false; } $exclude = array(); $min = $max = $recommended = false; if ($xsdversion == '1.0') { $pinfo['package'] = $dependency['name']; $pinfo['channel'] = 'pear.php.net'; // this is always true - don't change this switch ($dependency['rel']) { case 'ge' : $min = $dependency['version']; break; case 'gt' : $min = $dependency['version']; $exclude = array($dependency['version']); break; case 'eq' : $recommended = $dependency['version']; break; case 'lt' : $max = $dependency['version']; $exclude = array($dependency['version']); break; case 'le' : $max = $dependency['version']; break; case 'ne' : $exclude = array($dependency['version']); break; } } else { $pinfo['package'] = $dependency['name']; $min = isset($dependency['min']) ? $dependency['min'] : false; $max = isset($dependency['max']) ? $dependency['max'] : false; $recommended = isset($dependency['recommended']) ? $dependency['recommended'] : false; if (isset($dependency['exclude'])) { if (!isset($dependency['exclude'][0])) { $exclude = array($dependency['exclude']); } } } $skippedphp = $found = $release = false; if (!is_array($info['r']) || !isset($info['r'][0])) { $info['r'] = array($info['r']); } foreach ($info['r'] as $release) { if (!isset($this->_rest->_options['force']) && ($installed && version_compare($release['v'], $installed, '<'))) { continue; } if (in_array($release['v'], $exclude)) { // skip excluded versions continue; } // allow newer releases to say "I'm OK with the dependent package" if ($xsdversion == '2.0' && isset($release['co'])) { if (!is_array($release['co']) || !isset($release['co'][0])) { $release['co'] = array($release['co']); } foreach ($release['co'] as $entry) { if (isset($entry['x']) && !is_array($entry['x'])) { $entry['x'] = array($entry['x']); } elseif (!isset($entry['x'])) { $entry['x'] = array(); } if ($entry['c'] == $deppackage['channel'] && strtolower($entry['p']) == strtolower($deppackage['package']) && version_compare($deppackage['version'], $entry['min'], '>=') && version_compare($deppackage['version'], $entry['max'], '<=') && !in_array($release['v'], $entry['x'])) { if (version_compare($release['m'], phpversion(), '>')) { // skip dependency releases that require a PHP version // newer than our PHP version $skippedphp = $release; continue; } $recommended = $release['v']; break; } } } if ($recommended) { if ($release['v'] != $recommended) { // if we want a specific // version, then skip all others continue; } if (!in_array($release['s'], $states)) { // the stability is too low, but we must return the // recommended version if possible return $this->_returnDownloadURL($base, $package, $release, $info, true, false, $channel); } } if ($min && version_compare($release['v'], $min, 'lt')) { // skip too old versions continue; } if ($max && version_compare($release['v'], $max, 'gt')) { // skip too new versions continue; } if ($installed && version_compare($release['v'], $installed, '<')) { continue; } if (in_array($release['s'], $states)) { // if in the preferred state... if (version_compare($release['m'], phpversion(), '>')) { // skip dependency releases that require a PHP version // newer than our PHP version $skippedphp = $release; continue; } $found = true; // ... then use it break; } } if (!$found && $skippedphp) { $found = null; } return $this->_returnDownloadURL($base, $package, $release, $info, $found, $skippedphp, $channel); } /** * List package upgrades but take the PHP version into account. */ function listLatestUpgrades($base, $pref_state, $installed, $channel, &$reg) { $packagelist = $this->_rest->retrieveData($base . 'p/packages.xml', false, false, $channel); if (PEAR::isError($packagelist)) { return $packagelist; } $ret = array(); if (!is_array($packagelist) || !isset($packagelist['p'])) { return $ret; } if (!is_array($packagelist['p'])) { $packagelist['p'] = array($packagelist['p']); } foreach ($packagelist['p'] as $package) { if (!isset($installed[strtolower($package)])) { continue; } $inst_version = $reg->packageInfo($package, 'version', $channel); $inst_state = $reg->packageInfo($package, 'release_state', $channel); PEAR::pushErrorHandling(PEAR_ERROR_RETURN); $info = $this->_rest->retrieveData($base . 'r/' . strtolower($package) . '/allreleases2.xml', false, false, $channel); PEAR::popErrorHandling(); if (PEAR::isError($info)) { continue; // no remote releases } if (!isset($info['r'])) { continue; } $release = $found = false; if (!is_array($info['r']) || !isset($info['r'][0])) { $info['r'] = array($info['r']); } // $info['r'] is sorted by version number usort($info['r'], array($this, '_sortReleasesByVersionNumber')); foreach ($info['r'] as $release) { if ($inst_version && version_compare($release['v'], $inst_version, '<=')) { // not newer than the one installed break; } if (version_compare($release['m'], phpversion(), '>')) { // skip dependency releases that require a PHP version // newer than our PHP version continue; } // new version > installed version if (!$pref_state) { // every state is a good state $found = true; break; } else { $new_state = $release['s']; // if new state >= installed state: go if (in_array($new_state, $this->betterStates($inst_state, true))) { $found = true; break; } else { // only allow to lower the state of package, // if new state >= preferred state: go if (in_array($new_state, $this->betterStates($pref_state, true))) { $found = true; break; } } } } if (!$found) { continue; } $relinfo = $this->_rest->retrieveCacheFirst($base . 'r/' . strtolower($package) . '/' . $release['v'] . '.xml', false, false, $channel); if (PEAR::isError($relinfo)) { return $relinfo; } $ret[$package] = array( 'version' => $release['v'], 'state' => $release['s'], 'filesize' => $relinfo['f'], ); } return $ret; } }
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