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<?php
/**
* PEAR_REST_10
*
* 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';
/**
* Implement REST 1.0
*
* @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_10
{
/**
* @var PEAR_REST
*/
var $_rest;
function __construct($config, $options = array())
{
$this->_rest = new PEAR_REST($config, $options);
}
/**
* Retrieve information about a remote package to be downloaded from a REST server
*
* @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) . '/allreleases.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']);
}
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) {
$found = true;
break;
}
// see if there is something newer and more stable
// bug #7221
if (in_array($release['s'], $this->betterStates($state), true)) {
$found = true;
break;
}
} elseif (isset($version)) {
if ($release['v'] == $version) {
$found = true;
break;
}
} else {
if (in_array($release['s'], $states)) {
$found = true;
break;
}
}
}
return $this->_returnDownloadURL($base, $package, $release, $info, $found, false, $channel);
}
function getDepDownloadURL($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) . '/allreleases.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') {
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 {
$min = isset($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']);
}
}
}
$release = $found = false;
if (!is_array($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'])) {
$recommended = $release['v'];
break;
}
}
}
if ($recommended) {
if ($release['v'] != $recommended) { // if we want a specific
// version, then skip all others
continue;
} else {
if (!in_array($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...
$found = true; // ... then use it
break;
}
}
return $this->_returnDownloadURL($base, $package, $release, $info, $found, false, $channel);
}
/**
* Take raw data and return the array needed for processing a download URL
*
* @param string $base REST base uri
* @param string $package Package name
* @param array $release an array of format array('v' => version, 's' => state)
* describing the release to download
* @param array $info list of all releases as defined by allreleases.xml
* @param bool|null $found determines whether the release was found or this is the next
* best alternative. If null, then versions were skipped because
* of PHP dependency
* @return array|PEAR_Error
* @access private
*/
function _returnDownloadURL($base, $package, $release, $info, $found, $phpversion = false, $channel = false)
{
if (!$found) {
$release = $info['r'][0];
}
$packageLower = strtolower($package);
$pinfo = $this->_rest->retrieveCacheFirst($base . 'p/' . $packageLower . '/' .
'info.xml', false, false, $channel);
if (PEAR::isError($pinfo)) {
return PEAR::raiseError('Package "' . $package .
'" does not have REST info xml available');
}
$releaseinfo = $this->_rest->retrieveCacheFirst($base . 'r/' . $packageLower . '/' .
$release['v'] . '.xml', false, false, $channel);
if (PEAR::isError($releaseinfo)) {
return PEAR::raiseError('Package "' . $package . '" Version "' . $release['v'] .
'" does not have REST xml available');
}
$packagexml = $this->_rest->retrieveCacheFirst($base . 'r/' . $packageLower . '/' .
'deps.' . $release['v'] . '.txt', false, true, $channel);
if (PEAR::isError($packagexml)) {
return PEAR::raiseError('Package "' . $package . '" Version "' . $release['v'] .
'" does not have REST dependency information available');
}
$packagexml = unserialize($packagexml);
if (!$packagexml) {
$packagexml = array();
}
$allinfo = $this->_rest->retrieveData($base . 'r/' . $packageLower .
'/allreleases.xml', false, false, $channel);
if (PEAR::isError($allinfo)) {
return $allinfo;
}
if (!is_array($allinfo['r']) || !isset($allinfo['r'][0])) {
$allinfo['r'] = array($allinfo['r']);
}
$compatible = false;
foreach ($allinfo['r'] as $release) {
if ($release['v'] != $releaseinfo['v']) {
continue;
}
if (!isset($release['co'])) {
break;
}
$compatible = array();
if (!is_array($release['co']) || !isset($release['co'][0])) {
$release['co'] = array($release['co']);
}
foreach ($release['co'] as $entry) {
$comp = array();
$comp['name'] = $entry['p'];
$comp['channel'] = $entry['c'];
$comp['min'] = $entry['min'];
$comp['max'] = $entry['max'];
if (isset($entry['x']) && !is_array($entry['x'])) {
$comp['exclude'] = $entry['x'];
}
$compatible[] = $comp;
}
if (count($compatible) == 1) {
$compatible = $compatible[0];
}
break;
}
$deprecated = false;
if (isset($pinfo['dc']) && isset($pinfo['dp'])) {
if (is_array($pinfo['dp'])) {
$deprecated = array('channel' => (string) $pinfo['dc'],
'package' => trim($pinfo['dp']['_content']));
} else {
$deprecated = array('channel' => (string) $pinfo['dc'],
'package' => trim($pinfo['dp']));
}
}
$return = array(
'version' => $releaseinfo['v'],
'info' => $packagexml,
'package' => $releaseinfo['p']['_content'],
'stability' => $releaseinfo['st'],
'compatible' => $compatible,
'deprecated' => $deprecated,
);
if ($found) {
$return['url'] = $releaseinfo['g'];
return $return;
}
$return['php'] = $phpversion;
return $return;
}
function listPackages($base, $channel = false)
{
$packagelist = $this->_rest->retrieveData($base . 'p/packages.xml', false, false, $channel);
if (PEAR::isError($packagelist)) {
return $packagelist;
}
if (!is_array($packagelist) || !isset($packagelist['p'])) {
return array();
}
if (!is_array($packagelist['p'])) {
$packagelist['p'] = array($packagelist['p']);
}
return $packagelist['p'];
}
/**
* List all categories of a REST server
*
* @param string $base base URL of the server
* @return array of categorynames
*/
function listCategories($base, $channel = false)
{
$categories = array();
// c/categories.xml does not exist;
// check for every package its category manually
// This is SLOOOWWWW : ///
$packagelist = $this->_rest->retrieveData($base . 'p/packages.xml', false, false, $channel);
if (PEAR::isError($packagelist)) {
return $packagelist;
}
if (!is_array($packagelist) || !isset($packagelist['p'])) {
$ret = array();
return $ret;
}
if (!is_array($packagelist['p'])) {
$packagelist['p'] = array($packagelist['p']);
}
PEAR::pushErrorHandling(PEAR_ERROR_RETURN);
foreach ($packagelist['p'] as $package) {
$inf = $this->_rest->retrieveData($base . 'p/' . strtolower($package) . '/info.xml', false, false, $channel);
if (PEAR::isError($inf)) {
PEAR::popErrorHandling();
return $inf;
}
$cat = $inf['ca']['_content'];
if (!isset($categories[$cat])) {
$categories[$cat] = $inf['ca'];
}
}
return array_values($categories);
}
/**
* List a category of a REST server
*
* @param string $base base URL of the server
* @param string $category name of the category
* @param boolean $info also download full package info
* @return array of packagenames
*/
function listCategory($base, $category, $info = false, $channel = false)
{
// gives '404 Not Found' error when category doesn't exist
$packagelist = $this->_rest->retrieveData($base.'c/'.urlencode($category).'/packages.xml', false, false, $channel);
if (PEAR::isError($packagelist)) {
return $packagelist;
}
if (!is_array($packagelist) || !isset($packagelist['p'])) {
return array();
}
if (!is_array($packagelist['p']) ||
!isset($packagelist['p'][0])) { // only 1 pkg
$packagelist = array($packagelist['p']);
} else {
$packagelist = $packagelist['p'];
}
if ($info == true) {
// get individual package info
PEAR::pushErrorHandling(PEAR_ERROR_RETURN);
foreach ($packagelist as $i => $packageitem) {
$url = sprintf('%s'.'r/%s/latest.txt',
$base,
strtolower($packageitem['_content']));
$version = $this->_rest->retrieveData($url, false, false, $channel);
if (PEAR::isError($version)) {
break; // skipit
}
$url = sprintf('%s'.'r/%s/%s.xml',
$base,
strtolower($packageitem['_content']),
$version);
$info = $this->_rest->retrieveData($url, false, false, $channel);
if (PEAR::isError($info)) {
break; // skipit
}
$packagelist[$i]['info'] = $info;
}
PEAR::popErrorHandling();
}
return $packagelist;
}
function listAll($base, $dostable, $basic = true, $searchpackage = false, $searchsummary = false, $channel = false)
{
$packagelist = $this->_rest->retrieveData($base . 'p/packages.xml', false, false, $channel);
if (PEAR::isError($packagelist)) {
return $packagelist;
}
if ($this->_rest->config->get('verbose') > 0) {
$ui = &PEAR_Frontend::singleton();
$ui->log('Retrieving data...0%', true);
}
$ret = array();
if (!is_array($packagelist) || !isset($packagelist['p'])) {
return $ret;
}
if (!is_array($packagelist['p'])) {
$packagelist['p'] = array($packagelist['p']);
}
// only search-packagename = quicksearch !
if ($searchpackage && (!$searchsummary || empty($searchpackage))) {
$newpackagelist = array();
foreach ($packagelist['p'] as $package) {
if (!empty($searchpackage) && stristr($package, $searchpackage) !== false) {
$newpackagelist[] = $package;
}
}
$packagelist['p'] = $newpackagelist;
}
PEAR::pushErrorHandling(PEAR_ERROR_RETURN);
$next = .1;
foreach ($packagelist['p'] as $progress => $package) {
if ($this->_rest->config->get('verbose') > 0) {
if ($progress / count($packagelist['p']) >= $next) {
if ($next == .5) {
$ui->log('50%', false);
} else {
$ui->log('.', false);
}
$next += .1;
}
}
if ($basic) { // remote-list command
if ($dostable) {
$latest = $this->_rest->retrieveData($base . 'r/' . strtolower($package) .
'/stable.txt', false, false, $channel);
} else {
$latest = $this->_rest->retrieveData($base . 'r/' . strtolower($package) .
'/latest.txt', false, false, $channel);
}
if (PEAR::isError($latest)) {
$latest = false;
}
$info = array('stable' => $latest);
} else { // list-all command
$inf = $this->_rest->retrieveData($base . 'p/' . strtolower($package) . '/info.xml', false, false, $channel);
if (PEAR::isError($inf)) {
PEAR::popErrorHandling();
return $inf;
}
if ($searchpackage) {
$found = (!empty($searchpackage) && stristr($package, $searchpackage) !== false);
if (!$found && !(isset($searchsummary) && !empty($searchsummary)
&& (stristr($inf['s'], $searchsummary) !== false
|| stristr($inf['d'], $searchsummary) !== false)))
{
continue;
};
}
$releases = $this->_rest->retrieveData($base . 'r/' . strtolower($package) .
'/allreleases.xml', false, false, $channel);
if (PEAR::isError($releases)) {
continue;
}
if (!isset($releases['r'][0])) {
$releases['r'] = array($releases['r']);
}
unset($latest);
unset($unstable);
unset($stable);
unset($state);
foreach ($releases['r'] as $release) {
if (!isset($latest)) {
if ($dostable && $release['s'] == 'stable') {
$latest = $release['v'];
$state = 'stable';
}
if (!$dostable) {
$latest = $release['v'];
$state = $release['s'];
}
}
if (!isset($stable) && $release['s'] == 'stable') {
$stable = $release['v'];
if (!isset($unstable)) {
$unstable = $stable;
}
}
if (!isset($unstable) && $release['s'] != 'stable') {
$latest = $unstable = $release['v'];
$state = $release['s'];
}
if (isset($latest) && !isset($state)) {
$state = $release['s'];
}
if (isset($latest) && isset($stable) && isset($unstable)) {
break;
}
}
$deps = array();
if (!isset($unstable)) {
$unstable = false;
$state = 'stable';
if (isset($stable)) {
$latest = $unstable = $stable;
}
} else {
$latest = $unstable;
}
if (!isset($latest)) {
$latest = false;
}
if ($latest) {
$d = $this->_rest->retrieveCacheFirst($base . 'r/' . strtolower($package) . '/deps.' .
$latest . '.txt', false, false, $channel);
if (!PEAR::isError($d)) {
$d = unserialize($d);
if ($d) {
if (isset($d['required'])) {
if (!class_exists('PEAR_PackageFile_v2')) {
require_once 'PEAR/PackageFile/v2.php';
}
if (!isset($pf)) {
$pf = new PEAR_PackageFile_v2;
}
$pf->setDeps($d);
$tdeps = $pf->getDeps();
} else {
$tdeps = $d;
}
foreach ($tdeps as $dep) {
if ($dep['type'] !== 'pkg') {
continue;
}
$deps[] = $dep;
}
}
}
}
if (!isset($stable)) {
$stable = '-n/a-';
}
if (!$searchpackage) {
$info = array('stable' => $latest, 'summary' => $inf['s'], 'description' =>
$inf['d'], 'deps' => $deps, 'category' => $inf['ca']['_content'],
'unstable' => $unstable, 'state' => $state);
} else {
$info = array('stable' => $stable, 'summary' => $inf['s'], 'description' =>
$inf['d'], 'deps' => $deps, 'category' => $inf['ca']['_content'],
'unstable' => $unstable, 'state' => $state);
}
}
$ret[$package] = $info;
}
PEAR::popErrorHandling();
return $ret;
}
function listLatestUpgrades($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) .
'/allreleases.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'], $inst_version, '<=')) {
// not newer than the one installed
break;
}
// new version > installed version
if (!$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 $ret;
}
function packageInfo($base, $package, $channel = false)
{
PEAR::pushErrorHandling(PEAR_ERROR_RETURN);
$pinfo = $this->_rest->retrieveData($base . 'p/' . strtolower($package) . '/info.xml', false, false, $channel);
if (PEAR::isError($pinfo)) {
PEAR::popErrorHandling();
return PEAR::raiseError('Unknown package: "' . $package . '" in channel "' . $channel . '"' . "\n". 'Debug: ' .
$pinfo->getMessage());
}
$releases = array();
$allreleases = $this->_rest->retrieveData($base . 'r/' . strtolower($package) .
'/allreleases.xml', false, false, $channel);
if (!PEAR::isError($allreleases)) {
if (!class_exists('PEAR_PackageFile_v2')) {
require_once 'PEAR/PackageFile/v2.php';
}
if (!is_array($allreleases['r']) || !isset($allreleases['r'][0])) {
$allreleases['r'] = array($allreleases['r']);
}
$pf = new PEAR_PackageFile_v2;
foreach ($allreleases['r'] as $release) {
$ds = $this->_rest->retrieveCacheFirst($base . 'r/' . strtolower($package) . '/deps.' .
$release['v'] . '.txt', false, false, $channel);
if (PEAR::isError($ds)) {
continue;
}
if (!isset($latest)) {
$latest = $release['v'];
}
$pf->setDeps(unserialize($ds));
$ds = $pf->getDeps();
$info = $this->_rest->retrieveCacheFirst($base . 'r/' . strtolower($package)
. '/' . $release['v'] . '.xml', false, false, $channel);
if (PEAR::isError($info)) {
continue;
}
$releases[$release['v']] = array(
'doneby' => $info['m'],
'license' => $info['l'],
'summary' => $info['s'],
'description' => $info['d'],
'releasedate' => $info['da'],
'releasenotes' => $info['n'],
'state' => $release['s'],
'deps' => $ds ? $ds : array(),
);
}
} else {
$latest = '';
}
PEAR::popErrorHandling();
if (isset($pinfo['dc']) && isset($pinfo['dp'])) {
if (is_array($pinfo['dp'])) {
$deprecated = array('channel' => (string) $pinfo['dc'],
'package' => trim($pinfo['dp']['_content']));
} else {
$deprecated = array('channel' => (string) $pinfo['dc'],
'package' => trim($pinfo['dp']));
}
} else {
$deprecated = false;
}
if (!isset($latest)) {
$latest = '';
}
return array(
'name' => $pinfo['n'],
'channel' => $pinfo['c'],
'category' => $pinfo['ca']['_content'],
'stable' => $latest,
'license' => $pinfo['l'],
'summary' => $pinfo['s'],
'description' => $pinfo['d'],
'releases' => $releases,
'deprecated' => $deprecated,
);
}
/**
* Return an array containing all of the states that are more stable than
* or equal to the passed in state
*
* @param string Release state
* @param boolean Determines whether to include $state in the list
* @return false|array False if $state is not a valid release state
*/
function betterStates($state, $include = false)
{
static $states = array('snapshot', 'devel', 'alpha', 'beta', 'stable');
$i = array_search($state, $states);
if ($i === false) {
return false;
}
if ($include) {
$i--;
}
return array_slice($states, $i + 1);
}
/**
* Sort releases by version number
*
* @access private
*/
function _sortReleasesByVersionNumber($a, $b)
{
if (version_compare($a['v'], $b['v'], '=')) {
return 0;
}
if (version_compare($a['v'], $b['v'], '>')) {
return -1;
}
if (version_compare($a['v'], $b['v'], '<')) {
return 1;
}
}
}