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<?php
if ( !class_exists('Puc_v4p6_Vcs_BitBucketApi', false) ):
class Puc_v4p6_Vcs_BitBucketApi extends Puc_v4p6_Vcs_Api {
/**
* @var Puc_v4p6_OAuthSignature
*/
private $oauth = null;
/**
* @var string
*/
private $username;
/**
* @var string
*/
private $repository;
public function __construct($repositoryUrl, $credentials = array()) {
$path = parse_url($repositoryUrl, PHP_URL_PATH);
if ( preg_match('@^/?(?P<username>[^/]+?)/(?P<repository>[^/#?&]+?)/?$@', $path, $matches) ) {
$this->username = $matches['username'];
$this->repository = $matches['repository'];
} else {
throw new InvalidArgumentException('Invalid BitBucket repository URL: "' . $repositoryUrl . '"');
}
parent::__construct($repositoryUrl, $credentials);
}
/**
* Figure out which reference (i.e tag or branch) contains the latest version.
*
* @param string $configBranch Start looking in this branch.
* @return null|Puc_v4p6_Vcs_Reference
*/
public function chooseReference($configBranch) {
$updateSource = null;
//Check if there's a "Stable tag: 1.2.3" header that points to a valid tag.
$updateSource = $this->getStableTag($configBranch);
//Look for version-like tags.
if ( !$updateSource && ($configBranch === 'master') ) {
$updateSource = $this->getLatestTag();
}
//If all else fails, use the specified branch itself.
if ( !$updateSource ) {
$updateSource = $this->getBranch($configBranch);
}
return $updateSource;
}
public function getBranch($branchName) {
$branch = $this->api('/refs/branches/' . $branchName);
if ( is_wp_error($branch) || empty($branch) ) {
return null;
}
return new Puc_v4p6_Vcs_Reference(array(
'name' => $branch->name,
'updated' => $branch->target->date,
'downloadUrl' => $this->getDownloadUrl($branch->name),
));
}
/**
* Get a specific tag.
*
* @param string $tagName
* @return Puc_v4p6_Vcs_Reference|null
*/
public function getTag($tagName) {
$tag = $this->api('/refs/tags/' . $tagName);
if ( is_wp_error($tag) || empty($tag) ) {
return null;
}
return new Puc_v4p6_Vcs_Reference(array(
'name' => $tag->name,
'version' => ltrim($tag->name, 'v'),
'updated' => $tag->target->date,
'downloadUrl' => $this->getDownloadUrl($tag->name),
));
}
/**
* Get the tag that looks like the highest version number.
*
* @return Puc_v4p6_Vcs_Reference|null
*/
public function getLatestTag() {
$tags = $this->api('/refs/tags?sort=-target.date');
if ( !isset($tags, $tags->values) || !is_array($tags->values) ) {
return null;
}
//Filter and sort the list of tags.
$versionTags = $this->sortTagsByVersion($tags->values);
//Return the first result.
if ( !empty($versionTags) ) {
$tag = $versionTags[0];
return new Puc_v4p6_Vcs_Reference(array(
'name' => $tag->name,
'version' => ltrim($tag->name, 'v'),
'updated' => $tag->target->date,
'downloadUrl' => $this->getDownloadUrl($tag->name),
));
}
return null;
}
/**
* Get the tag/ref specified by the "Stable tag" header in the readme.txt of a given branch.
*
* @param string $branch
* @return null|Puc_v4p6_Vcs_Reference
*/
protected function getStableTag($branch) {
$remoteReadme = $this->getRemoteReadme($branch);
if ( !empty($remoteReadme['stable_tag']) ) {
$tag = $remoteReadme['stable_tag'];
//You can explicitly opt out of using tags by setting "Stable tag" to
//"trunk" or the name of the current branch.
if ( ($tag === $branch) || ($tag === 'trunk') ) {
return $this->getBranch($branch);
}
return $this->getTag($tag);
}
return null;
}
/**
* @param string $ref
* @return string
*/
protected function getDownloadUrl($ref) {
return sprintf(
'https://bitbucket.org/%s/%s/get/%s.zip',
$this->username,
$this->repository,
$ref
);
}
/**
* Get the contents of a file from a specific branch or tag.
*
* @param string $path File name.
* @param string $ref
* @return null|string Either the contents of the file, or null if the file doesn't exist or there's an error.
*/
public function getRemoteFile($path, $ref = 'master') {
$response = $this->api('src/' . $ref . '/' . ltrim($path), '1.0');
if ( is_wp_error($response) || !isset($response, $response->data) ) {
return null;
}
return $response->data;
}
/**
* Get the timestamp of the latest commit that changed the specified branch or tag.
*
* @param string $ref Reference name (e.g. branch or tag).
* @return string|null
*/
public function getLatestCommitTime($ref) {
$response = $this->api('commits/' . $ref);
if ( isset($response->values, $response->values[0], $response->values[0]->date) ) {
return $response->values[0]->date;
}
return null;
}
/**
* Perform a BitBucket API 2.0 request.
*
* @param string $url
* @param string $version
* @return mixed|WP_Error
*/
public function api($url, $version = '2.0') {
$url = implode('/', array(
'https://api.bitbucket.org',
$version,
'repositories',
$this->username,
$this->repository,
ltrim($url, '/')
));
$baseUrl = $url;
if ( $this->oauth ) {
$url = $this->oauth->sign($url,'GET');
}
$options = array('timeout' => 10);
if ( !empty($this->httpFilterName) ) {
$options = apply_filters($this->httpFilterName, $options);
}
$response = wp_remote_get($url, $options);
if ( is_wp_error($response) ) {
do_action('puc_api_error', $response, null, $url, $this->slug);
return $response;
}
$code = wp_remote_retrieve_response_code($response);
$body = wp_remote_retrieve_body($response);
if ( $code === 200 ) {
$document = json_decode($body);
return $document;
}
$error = new WP_Error(
'puc-bitbucket-http-error',
sprintf('BitBucket API error. Base URL: "%s", HTTP status code: %d.', $baseUrl, $code)
);
do_action('puc_api_error', $error, $response, $url, $this->slug);
return $error;
}
/**
* @param array $credentials
*/
public function setAuthentication($credentials) {
parent::setAuthentication($credentials);
if ( !empty($credentials) && !empty($credentials['consumer_key']) ) {
$this->oauth = new Puc_v4p6_OAuthSignature(
$credentials['consumer_key'],
$credentials['consumer_secret']
);
} else {
$this->oauth = null;
}
}
public function signDownloadUrl($url) {
//Add authentication data to download URLs. Since OAuth signatures incorporate
//timestamps, we have to do this immediately before inserting the update. Otherwise
//authentication could fail due to a stale timestamp.
if ( $this->oauth ) {
$url = $this->oauth->sign($url);
}
return $url;
}
}
endif;