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PhutilJIRAAuthAdapter.php
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Sat, Dec 21, 18:57

PhutilJIRAAuthAdapter.php
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<?php
/**
* Authentication adapter for JIRA OAuth1.
*/
final class PhutilJIRAAuthAdapter extends PhutilOAuth1AuthAdapter {
// TODO: JIRA tokens expire (after 5 years) and we could surface and store
// that.
private $jiraBaseURI;
private $adapterDomain;
private $currentSession;
private $userInfo;
public function setJIRABaseURI($jira_base_uri) {
$this->jiraBaseURI = $jira_base_uri;
return $this;
}
public function getJIRABaseURI() {
return $this->jiraBaseURI;
}
public function getAccountID() {
// Make sure the handshake is finished; this method is used for its
// side effect by Auth providers.
$this->getHandshakeData();
return idx($this->getUserInfo(), 'key');
}
public function getAccountName() {
return idx($this->getUserInfo(), 'name');
}
public function getAccountImageURI() {
$avatars = idx($this->getUserInfo(), 'avatarUrls');
if ($avatars) {
return idx($avatars, '48x48');
}
return null;
}
public function getAccountRealName() {
return idx($this->getUserInfo(), 'displayName');
}
public function getAccountEmail() {
return idx($this->getUserInfo(), 'emailAddress');
}
public function getAdapterType() {
return 'jira';
}
public function getAdapterDomain() {
return $this->adapterDomain;
}
public function setAdapterDomain($domain) {
$this->adapterDomain = $domain;
return $this;
}
protected function getSignatureMethod() {
return 'RSA-SHA1';
}
protected function getRequestTokenURI() {
return $this->getJIRAURI('plugins/servlet/oauth/request-token');
}
protected function getAuthorizeTokenURI() {
return $this->getJIRAURI('plugins/servlet/oauth/authorize');
}
protected function getValidateTokenURI() {
return $this->getJIRAURI('plugins/servlet/oauth/access-token');
}
private function getJIRAURI($path) {
return rtrim($this->jiraBaseURI, '/').'/'.ltrim($path, '/');
}
private function getUserInfo() {
if ($this->userInfo === null) {
$this->currentSession = $this->newJIRAFuture('rest/auth/1/session', 'GET')
->resolveJSON();
// The session call gives us the username, but not the user key or other
// information. Make a second call to get additional information.
$params = array(
'username' => $this->currentSession['name'],
);
$this->userInfo = $this->newJIRAFuture('rest/api/2/user', 'GET', $params)
->resolveJSON();
}
return $this->userInfo;
}
public static function newJIRAKeypair() {
$config = array(
'digest_alg' => 'sha512',
'private_key_bits' => 4096,
'private_key_type' => OPENSSL_KEYTYPE_RSA,
);
$res = openssl_pkey_new($config);
if (!$res) {
throw new Exception(pht('%s failed!', 'openssl_pkey_new()'));
}
$private_key = null;
$ok = openssl_pkey_export($res, $private_key);
if (!$ok) {
throw new Exception(pht('%s failed!', 'openssl_pkey_export()'));
}
$public_key = openssl_pkey_get_details($res);
if (!$ok || empty($public_key['key'])) {
throw new Exception(pht('%s failed!', 'openssl_pkey_get_details()'));
}
$public_key = $public_key['key'];
return array($public_key, $private_key);
}
/**
* JIRA indicates that the user has clicked the "Deny" button by passing a
* well known `oauth_verifier` value ("denied"), which we check for here.
*/
protected function willFinishOAuthHandshake() {
$jira_magic_word = 'denied';
if ($this->getVerifier() == $jira_magic_word) {
throw new PhutilAuthUserAbortedException();
}
}
public function newJIRAFuture($path, $method, $params = array()) {
if ($method == 'GET') {
$uri_params = $params;
$body_params = array();
} else {
// For other types of requests, JIRA expects the request body to be
// JSON encoded.
$uri_params = array();
$body_params = phutil_json_encode($params);
}
$uri = new PhutilURI($this->getJIRAURI($path), $uri_params);
// JIRA returns a 415 error if we don't provide a Content-Type header.
return $this->newOAuth1Future($uri, $body_params)
->setMethod($method)
->addHeader('Content-Type', 'application/json');
}
}

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