/**
* Set an API statistic in the DB
*
* @param int $code The HTTP status code from the request or cache
* @param string $uri The dynamic call URL or the static call name
* @param string $api The API to set the stats for
*
* @return bool True if the stat was added/updated successfully, or false if it wasn't.
*/
public static function set_stat($code, $uri, $api = null, $is_static = null)
{
// Save queries if we don't need the stats.
if (\Config::get('engine.track_usage_stats', false) === false) {
return true;
}
$api_name = $api === null ? \V1\APIRequest::get('api') : $api;
$is_static = $is_static === null ? \V1\APIRequest::is_static() : $is_static;
$api = \V1\Model\APIs::get_api($api_name);
// Do we have a stat entry for this timeframe?
$existing_api_stats_obj = static::query()->where('apis_id', '=', $api['id'])->where('code', '=', (int) $code)->where('call', '=', $uri)->where('created_at', '>', time() - (int) \Config::get('api_stats_increment', 30) * 60)->get_one();
// If we have a row, update it.
if (!empty($existing_api_stats_obj)) {
$existing_api_stats_obj->count++;
return $existing_api_stats_obj->save();
}
// Add the new entry.
$api_stats_object = new static();
$api_stats_object->apis_id = $api['id'];
$api_stats_object->code = $code;
$api_stats_object->count = 1;
$api_stats_object->call = $uri;
$api_stats_object->is_static = intval($is_static);
return $api_stats_object->save();
}
/**
* The main entry point for V1 of the API engine
*
* @return string The JSON encoded string for the loader to parse
*/
public function action_index()
{
// Set up our APIRequest object
if (is_array($setup = \V1\APIRequest::setup())) {
return $this->response_format();
}
// Validate the request
if (is_array($validate_request = \V1\ValidateRequest::run())) {
return $this->response_format($validate_request);
}
// Validate a Data Call
if (\V1\APIRequest::get('data-call', false) !== false) {
if (is_array($data_call = \V1\Call\DataCall::run()) || is_string($data_call)) {
// HTML only Data Calls
if (\Session::get('response_format', false) === 'html' && is_string($data_call)) {
return $data_call;
}
// Non-HTML Data Calls
return $this->response_format($data_call);
}
}
// Are we processing an API call?
if (\V1\APIRequest::get('api', false) !== false) {
$runcall = new \V1\RunCall();
if (is_array($response = $runcall->ignite())) {
return $this->response_format($response);
}
}
// Nothing happened, so return an error.
return $this->response_format(\Utility::format_error(500));
}
/**
* Get the row of API data from the DB.
*
* @param string $api The name of the API to pull data for or null to grab the posted API
* @return array The array of data for the API from the DB, or an empty array
*/
public static function get_api($api = null)
{
$api = empty($api) ? \V1\APIRequest::get('api') : $api;
$account_data = \V1\Model\Account::get_account();
// Select the chosen one.
$api_data = static::query()->where('name', '=', $api)->and_where_open()->where('private', '=', 0)->or_where_open()->where('private', '=', 1)->where('account_id', '=', $account_data['id'])->or_where_close()->and_where_close()->get_one();
if (!empty($api_data)) {
// Default
$return = array();
// Turn the object into an array
foreach ($api_data as $key => $value) {
// Don't add the metadata object
if (!in_array($key, array('apistats', 'metadata'))) {
$return[$key] = $value;
}
}
// Grab the metadata and stick it on the return array, too.
foreach ($api_data->metadata as $metadata) {
$return[$metadata->key] = $metadata->value;
}
// Spit out all of that data.
return $return;
} else {
return array();
}
}
/**
* Configure a dynamic call
*
* @return mixed The \V1\APICall object or the error array on fail
*/
public static function configure_call()
{
// Dynamic calls don't work through JS.
if (\Session::get('public', true) === true) {
return \Utility::format_error(400, \V1\Err::NO_JS_CALLS, \Lang::get('v1::errors.no_js_calls'));
}
// We need API configuration data.
if (!is_array(\V1\APIRequest::get('configure', false))) {
return \Utility::format_error(400, \V1\Err::MISSING_CONFIGURE, \Lang::get('v1::errors.missing_configure'));
}
// For some reason we can't parse the RAML, so we throw a 500 error.
if (($api_def = \V1\RAML::parse()) === false) {
return \Utility::format_error(500);
} elseif (is_array($api_def)) {
// Specific error
return $api_def;
}
if (is_string($uri = \V1\APIRequest::get('configure.uri')) && is_string($method = \V1\APIRequest::get('configure.method'))) {
$api_call = null;
// Custom calls
if (\V1\APIRequest::get('api') === 'custom') {
if (is_string($url = \V1\APIRequest::get('configure.url')) && !empty($url)) {
$api_call = \V1\APICall::forge($api_def, $method, $uri, null, true, $url);
}
return \Utility::format_error(400, \V1\Err::NO_URL, \Lang::get('v1::errors.no_url'));
}
$api_data = \V1\Model\APIs::get_api();
try {
// Is it a valid resource?
$api_def->getResourceByUri($uri)->getMethod($method);
// We'll validate the call unless both the API provider and calling script deny that protection.
$custom_dynamic = false;
if ($api_data['force_validation'] === 0 && \V1\APIRequest::get('no-validate', false) === true) {
$custom_dynamic = true;
}
$api_call = \V1\APICall::forge($api_def, $method, $uri, null, $custom_dynamic);
} catch (\Raml\Exception\BadParameter\ResourceNotFoundException $e) {
// Does the API Provider allow for unconfigured static calls on their server?
if ($api_data['allow_custom_dynamic'] === 1) {
$api_call = \V1\APICall::forge($api_def, $method, $uri, null, true);
}
}
if (is_object($api_call)) {
if (!empty($api_call->get_errors())) {
// Errors from \APICall
return $api_call->get_errors();
} else {
// Return the \APICall object
return $api_call;
}
}
}
// Not found
return \Utility::format_error(400, \V1\Err::BAD_DYNAMIC, \Lang::get('v1::errors.bad_dynamic'));
}
/**
* Get the row of Data Call data from the DB.
*
* @param string $data_call The name of the Data Call to pull data for or null to grab the posted Data Call
* @return array The array of data for the Data Call from the DB, or an empty array
*/
public static function get_data_call($data_call = null)
{
$data_call = empty($data_call) ? \V1\APIRequest::get('data-call') : $data_call;
$account_data = \V1\Model\Account::get_account();
// Select the chosen one.
$data_call_data = static::query()->where('name', '=', $data_call)->and_where_open()->where('account_id', '=', 0)->or_where('account_id', '=', $account_data['id'])->and_where_close()->get_one();
if (!empty($data_call_data)) {
$return = array();
// Turn the object into an array (You can't just cast it to an array unfortunately.)
foreach ($data_call_data as $key => $value) {
$return[$key] = $value;
}
return $return;
} else {
return array();
}
}
/**
* Validate the request to make sure we have trusted and sufficient data.
*
* @return mixed True on success, or an array of error data on fail
*/
public static function run()
{
/**
* Verify that we have at least an "api" or "data-call" token.
*/
if (\V1\APIRequest::get('api', false) === false && \V1\APIRequest::get('data-call', false) === false) {
return \Utility::format_error(400, \V1\Err::BAD_BODY, \Lang::get('v1::errors.bad_body'));
}
/**
* Easter egg processing plant
*/
if (\V1\APIRequest::get('api') === 'I\'m a teapot') {
return \Utility::format_error(418, \V1\Err::IM_A_TEAPOT, str_replace("\t", '', \Lang::get('v1::errors.im_a_teapot')));
}
/**
* AUTHORIZATION
*/
// Once we've authenticated to start running calls from one Data Call, we don't authenticate again.
if (\Session::get('data_call', false) === false) {
// If they failed to authenticate, then issue a 401 unauthorized error.
if (\V1\Account::authenticate() === false) {
// Log the failure.
\Log::logger('INFO', 'AUTHORIZE:FAIL', \Lang::get('log.authorize_fail'), __METHOD__, array('consumer_key' => \Session::get('consumer_key', 'NOT SET'), 'public_mode' => \Session::get('public', 'NOT SET')));
return \Utility::format_error(401);
}
// Log the success.
\Log::logger('INFO', 'AUTHORIZE:SUCCESS', \Lang::get('log.authorize_success'), __METHOD__, array('consumer_key' => \Session::get('consumer_key', 'NOT SET'), 'public_mode' => \Session::get('public', 'NOT SET')));
/**
* DOWNGRADE PROCESSING
*/
\V1\Account::downgrade();
}
/**
* GLOBAL LIMITS
*/
if (static::check_global_limits() === false) {
return \Utility::format_error(429, \V1\Err::MAXED_OUT_LIMITS, \Lang::get('v1::errors.maxed_out_limits'));
}
return true;
}
/**
* Call the remote API server
*
* @param \V1\APICall $apicall_obj The APICall object we're using to make calls
* @return array The array of data ready for display (Response array or error array)
*/
public function make_the_call(\V1\APICall $apicall_obj)
{
/**
* RUNCLE RICK'S RAD RUN CALL :)
*/
$api = \V1\Model\APIs::get_api();
$account = \V1\Model\Account::get_account();
/*
* When we make a call from the local server, we'll get the localhost IP. If that's the case,
* we'll set our public IP. DO NOT use X-Forwarded-For in the request headers to us. It's unreliable.
* We'll still set our X-Forwarded-For in case the API provider wishes to use it.
*/
$forwarded_for = \Input::real_ip('0.0.0.0', true);
if ($internal_call = \Utility::is_internal_call()) {
$forwarded_for = \Config::get('engine.call_test_ip');
}
/*
* Add our own headers to allow for authenticating our server and customers. We overwrite any
* of these headers that were specified by the API Provider through RAML, or by the developer
* through thier configuration.
*/
$headers = static::get_headers($apicall_obj->get_headers());
$call = array('url' => $apicall_obj->get_url(), 'method' => $apicall_obj->get_method(), 'headers' => $headers, 'body' => $apicall_obj->get_method_params(), 'body-type' => $apicall_obj->get_body_type());
if (\Fuel::$env !== 'production' && \Config::get('engine.dev_disable_live_calls', false) === true) {
/**
* In dev mode we can disable calls to the remote server. Feel free to change the
* dummy response to whatever you'd like to.
*/
$response = array('status' => 200, 'headers' => array('X-Dev-Mode' => 'Dummy header'), 'body' => array('dummy_key' => 'dummy_val'));
return \Utility::format_response(200, $response);
} else {
/*
* We'll see if anyone got a cached entry into our system while we were configuring stuff.
* That way we'll save time.
*/
if (\V1\APIRequest::is_static() && is_array($cached_data = \V1\Call\StaticCall::get_call_cache())) {
// Return the response-formatted data from the cached entry.
return $cached_data;
}
$queued = \V1\Socket::forge()->queue_call(\V1\APIRequest::get('api'), $call, $apicall_obj);
}
// Non-Data Calls grab the request right away.
if (\Session::get('data_call', false) === false) {
if ($queued === false) {
// Server unavailable
return \Utility::format_error(503, \Err::SERVER_ERROR, \Lang::get('v1::errors.remote_unavailable'));
}
// Pull the results.
$result = \V1\Socket::forge()->get_results();
if (is_array($result)) {
// We only have one call.
return $result[\V1\APIRequest::get('api')][0];
} else {
// If the request failed with false, it means that all streams timed out.
return \Utility::format_error(500);
}
}
$dc_response = array('status' => 200, 'headers' => array(), 'body' => \V1\Constant::QUEUED_CALL);
// In Data Call mode we just signify that we've queued the call.
return \Utility::format_response(200, $dc_response);
}
/**
* Check the speed limits of an API to make sure that the account isn't calling the API more than it's
* allowed to in the specified time frame.
*
* @return mixed True if the call is within the speed limits, or the error array if it isn't
*/
private static function check_usage_limits()
{
$api_data = \V1\Model\APIs::get_api(\V1\APIRequest::get('api'));
$account_data = \V1\Model\Account::get_account();
$package_limits = \V1\RAML::parse_package_limits();
/*
* Are there any limits on the API for our package level? API limits are imposed
* by Bit API Hub, not the API provider. It helps to limit the amount of bandwidth
* we allot for each call. The heavier the call, the less calls people can make.
*/
if (is_array($package_limits) && array_key_exists('level' . $account_data['access_level'], $package_limits) && !empty($usage = \V1\Usage::get_usage(\V1\APIRequest::get('api')))) {
// Loop the allotments of API calls per time period
foreach ($package_limits['level' . $account_data['access_level']] as $time_period => $allotment) {
// If we have a valid log for the time period, and it's already maxed out, fail the check.
if (isset($usage[$time_period]) && $usage[$time_period]['count'] == $allotment && \Utility::subtract_seconds($time_period) <= $usage[$time_period]['ts'] && $usage[$time_period]['ts'] <= time()) {
return \Utility::format_error(429, \V1\Err::TOO_MANY_REQUESTS, \Lang::get('v1::errors.too_many_requests', array('allotment' => number_format($allotment), 'period' => $time_period)));
}
}
}
// We're not breaking the speed limit, so shush.
return true;
}
/**
* Decode the credentials from the DB data array
*
* @param array $array The array of data from the DB for the account or API to find the credentials for
* @return array The array of decoded credentials, or an empty array if none exist
*/
protected static function decode_credentials(array $array)
{
if (isset($array['credentials']) && is_array($credentials = json_decode(\Crypt::decode($array['credentials']), true))) {
if (\V1\APIRequest::is_static()) {
// Bit API Hub credentials for the API
return $credentials;
} else {
// Get the credentials for the specific API
if (!empty($credentials[\V1\APIRequest::get('api')])) {
return $credentials[\V1\APIRequest::get('api')];
}
}
}
// No credentials
return array();
}
/**
* Run the request
*
* @param \Raml\SecurityScheme $securityscheme_obj The security scheme to process the call data for
* @param \V1\APICall $apicall_obj The APICall object
*
* @return mixed The object we just completed or an array describing the next step in the security process
*/
public function run(\Raml\SecurityScheme $securityscheme_obj, \V1\APICall $apicall_obj)
{
// If the customer enters an authorization header, then we bail out of the security call.
if (\V1\APIRequest::is_static() === false && !empty($custom_headers = \V1\APIRequest::get('configure.headers', null)) && !empty($custom_headers['Authorization'])) {
return true;
}
$this->apicall = $apicall_obj;
/**
* GATHER THE NEEDED DATA
*/
$credentials = $apicall_obj->get_credentials();
$settings = $securityscheme_obj->getSettings();
$api_def = $apicall_obj->get_api_def();
$api_url = $apicall_obj->get_url();
$method = $apicall_obj->get_method();
$this->credentials = $credentials;
// Digest URI
$parsed_url = parse_url($api_url);
$digest_uri = empty($parsed_url['path']) ? '/' : $parsed_url['path'];
if (!empty($parsed_url['query'])) {
$digest_uri .= '?' . $parsed_url['query'];
}
$algorithm = empty($settings['algorithm']) ? 'md5' : \Str::lower($settings['algorithm']);
// Make sure that we have the required data.
if (empty($credentials['DIGEST_USERNAME']) || empty($credentials['DIGEST_PASSWORD']) || empty($settings['realm'])) {
$this->error = true;
return;
}
$this->realm = $settings['realm'];
$this->username = $credentials['DIGEST_USERNAME'];
// Find our nonce.
if (empty($credentials['DIGEST_NONCE'])) {
// Beg for nonces
$this->parse_www_auth_remote($api_url);
if (is_array($this->www_data) && !empty($this->www_data['nonce'])) {
$this->nonce = $this->www_data['nonce'];
} else {
$this->error = true;
return;
}
} else {
$this->nonce = $credentials['DIGEST_NONCE'];
}
// We save this value in the DB.
$credentials['DIGEST_NONCE'] = $this->nonce;
// Figure out if we've used the current nonce before.
if (!empty($settings['qop'])) {
// We may have "auth" or "auth-int" or "auth,auth-int" or "auth-int,auth"
if (substr_count(\Str::lower($settings['qop']), 'auth-int') > 0) {
$this->qop = 'auth-int';
} else {
$this->qop = 'auth';
}
/**
* We have a qop, so we need to figure out how many times we've sent a request with
* the current nonce. (Including the current request)
*
* @link http://www.ietf.org/rfc/rfc2617.txt
* Look up "nonce-count"
*/
if (empty($credentials['DIGEST_NONCE_COUNT'])) {
$credentials['DIGEST_NONCE_COUNT'] = 0;
}
$this->nonce_count = ++$credentials['DIGEST_NONCE_COUNT'];
}
// Do we need to send the "opaque" param?
if (!empty($settings['opaque'])) {
// It stays the same for the requester forevermore.
if ($settings['opaque'] === 'same') {
// We have the value on file. (Dynamic calls only)
if (!empty($credentials['DIGEST_OPAQUE'])) {
$this->opaque = $credentials['DIGEST_OPAQUE'];
}
}
// If it isn't set to "same" or "changes," then we have a static value.
if ($settings['opaque'] !== 'changes') {
$this->opaque = $settings['opaque'];
}
// We couldn't find the value, so we pull it from the header data of a new request.
if (empty($this->opaque)) {
// If we never contacted the remote server, do that now.
if ($this->www_data === false) {
$this->parse_www_auth_remote($api_url);
}
if (is_array($this->www_data) && !empty($this->www_data['opaque'])) {
$this->opaque = $this->www_data['opaque'];
// We'll save it since it'll always be the same.
if ($settings['opaque'] === 'same') {
$credentials['DIGEST_OPAQUE'] = $this->opaque;
}
} else {
// We've called the remote server and it didn't have the data.
$this->error = true;
return;
}
}
}
/*
* Increment our nonce counter for the current request with the nonce. (Pardon me while I go get a
* bowl of de Chex.)
*/
$this->nonce_count = dechex($this->nonce_count);
/**
* Format the nonce count as specified in section 3.2.2 of the RFC2617.
*
* @link http://www.ietf.org/rfc/rfc2617.txt
*/
if (($padding = 8 - strlen($this->nonce_count)) > 0) {
$this->nonce_count = str_repeat(0, $padding) . $this->nonce_count;
}
// Reliable client nonce
$this->cnonce = \Utility::get_nonce();
/**
* START COMPILING THE HEADER
*/
// MD5
$this->ha1 = md5($credentials['DIGEST_USERNAME'] . ':' . $this->realm . ':' . $credentials['DIGEST_PASSWORD']);
// MD5-sess
if ($algorithm === 'md5-sess') {
$this->ha1 = md5($this->ha1 . ':' . $this->nonce . ':' . $this->cnonce);
}
\V1\Keyring::set_credentials($credentials);
// We've finished for now. We'll configure more just before we send the request.
}
/**
* Validate that the required parameters have values
*
* @param array $params The array of parameters to check
* @param string $type The name of the \V1\APIRequest::get('configure') key to use for user data (can be
* null for static calls)
*
* @return mixed The array of finalized parameters, or false on fail
*/
protected function validate_params(array $params, $type = null)
{
$param_array = array();
$error_code = 500;
if (\V1\APIRequest::is_static() === false) {
// Dynamic call data
$configure = \V1\APIRequest::get('configure');
$param_array = isset($configure[$type]) ? $configure[$type] : array();
$error_code = 400;
}
// Skip the validation on non-validation requests
if ($this->custom_dynamic === false) {
// Loop and parse
foreach ($params as $param_name => $namedparameter_obj) {
// Use the default if it exists if we have an empty value.
if (!array_key_exists($param_name, $param_array) && !empty($default = $namedparameter_obj->getDefault())) {
$param_array[$param_name] = $default;
}
// Further validate the param based on RAML specs (Including checking if it's required)
try {
// Set it to a separate variable to avoid empty values getting sent to the server.
$validate = empty($param_array[$param_name]) ? null : $param_array[$param_name];
$namedparameter_obj->validate($validate);
} catch (\Raml\Exception\ValidationException $e) {
$this->errors = \Utility::format_error($error_code, \V1\Err::BAD_PARAM, \Lang::get('v1::errors.bad_param', array('required_param' => $param_name, 'location' => $type)));
return false;
}
}
}
// Prevent CRLF attacks
if (!empty($param_array) && $type === 'headers') {
if ($this->check_crlf($param_array) === false) {
return false;
}
}
return $param_array;
}
/**
* Configure a static call
*
* @return mixed The \V1\APICall object or an error array if the call wasn't found
*/
public static function configure_call()
{
if (is_array($static_calls = \V1\RAML::parse_static_calls())) {
$api_data = \V1\Model\APIs::get_api();
$account_data = \V1\Model\Account::get_account();
foreach ($static_calls as $call => $call_data) {
// The static call data matches the request.
if ('/' . \V1\APIRequest::get('static-call') === $call) {
// If we can't run the inactive call, then error out.
if (isset($call_data['stability']) && $call_data['stability'] === 0 && ($account_data['can_run_inactive'] === 0 || $account_data['id'] !== $api_data['account_id'])) {
return \Utility::format_error(403, \V1\Err::DISABLED_STATIC, \Lang::get('v1::errors.disabled_static'));
}
// Do we have a cached entry?
if (is_array($cached_data = \V1\Call\StaticCall::get_call_cache())) {
// Set their usage stats.
\V1\Usage::set_usage();
// Set the API provider stats
\V1\Usage::set_api_stats($cached_data['response']['status']);
// Return the response-formatted data from the cached entry.
return $cached_data;
}
// Try to get an APICall object
if (($apicall = static::apicall_object($call)) !== false) {
return $apicall;
}
}
}
// The static call wasn't found.
return \Utility::format_error(404, \V1\Err::BAD_STATIC, \Lang::get('v1::errors.bad_static'));
} else {
// If they've requested a static call when there aren't any for the requested API, give 'em errors!
return \Utility::format_error(404, \V1\Err::NO_STATIC, \Lang::get('v1::errors.no_static'));
}
}
/**
* Parse the HTML data
*
* @param array $template The array of template data from the Data Call call script
* @param array $api_responses The array of responses we ran with the Data Call
* @param bool $return_html Set to true to return only HTML, not the array of parsed template data
*
* @return mixed The array of parsed template data, or a string of HTML body contents if $return_html is true
*/
protected static function process_template(array $template, array $api_responses, $return_html = false)
{
// Fill out our variables if we have some. (Kind of pointless not to.)
if (!empty($template['variables'])) {
$variables = array();
foreach ($template['variables'] as $variable => $value_location) {
$variables[$variable] = null;
// Check if it resolves.
if (($value = \Arr::get($api_responses, $value_location, 'BAH_NO_VALUE')) !== 'BAH_NO_VALUE') {
// Add the value to the variable so we can replace it.
if (is_numeric($value) || is_string($value) || is_null($value)) {
$variables[$variable] = (string) $value;
}
// Boolean doesn't like to get cast to a string properly.
if (is_bool($value)) {
$variables[$variable] = $value === false ? 'false' : 'true';
}
}
}
// We don't return these.
unset($template['variables']);
// Replace the variables in the template.
if (!empty($variables)) {
$template = str_replace(array_keys($variables), array_values($variables), $template);
}
}
$account_data = \V1\Model\Account::get_account();
/**
* Add our link back on free accounts, or account who wish to show a link back. While free accounts
* could just decide not to show the body, they cannot configure their own Data Calls to place body
* content in "css" or "js". Anyone can just preg_replace() away the linkback, but in general,
* free accounts will show our link back.
*/
if (!empty($template['body']) && ($account_data['access_level'] === 1 || $account_data['link_back'] === 1)) {
$template['body'] .= \View::forge('linkback', array('color' => \V1\APIRequest::data_call('linkback-color', 'dark')), false)->render();
}
// We'll parse the template for them.
if ($return_html === true) {
$html = null;
// CSS should be in <style> tags.
$html .= !empty($template['css']) ? $template['css'] . '<body>' : null;
// HTML body
$html .= !empty($template['body']) ? $template['body'] : null;
// JS comes at the end to keep things speedy.
$html .= !empty($template['js']) ? $template['js'] : null;
return $html;
}
// Send the template data sectioned out for use.
return $template;
}
/**
* Grab the API access token and key, and return the array of credentials
*
* @param \OAuth $oauth The OAuth object we're using for authentication
* @param array $settings The array of RAML settings
* @param array $credentials The array of credentials for our call
*
* @return array The array of credentials, or an error array when the customer must manually
* validate for the second leg, or false on fail
*/
private function get_access_tokens(\OAuth $oauth, array $settings, array $credentials)
{
$callback_url = \Config::get('engine.oauth_10a_callback_url', null);
if (!empty($settings['callback'])) {
$callback_url = $settings['callback'];
}
// Grab the request token if we didn't just authorize the request.
if (empty($credentials['OAUTH_REQUEST_TOKEN']) && empty($credentials['OAUTH_REQUEST_TOKEN_SECRET'])) {
try {
$request_token_info = $oauth->getRequestToken($settings['requestTokenUri'], $callback_url, $settings['requestTokenMethod']);
} catch (\OAuthException $e) {
// Something went wrong, so destroy the cache, and return false so it can get fixed.
$this->delete_cache();
return false;
}
$credentials['OAUTH_REQUEST_TOKEN'] = $request_token_info['oauth_token'];
$credentials['OAUTH_REQUEST_TOKEN_SECRET'] = $request_token_info['oauth_token_secret'];
}
if (empty($credentials['OAUTH_VERIFIER'])) {
$credentials['OAUTH_VERIFIER'] = null;
}
// Three legged auth requires manual validation.
if ($settings['legs'] === 3) {
if (empty($credentials['OAUTH_REQUEST_TOKEN']) || empty($credentials['OAUTH_REQUEST_TOKEN_SECRET']) || empty($credentials['OAUTH_VERIFIER'])) {
if (strpos($settings['authorizationUri'], '?') === false) {
$settings['authorizationUri'] .= '?';
} else {
$settings['authorizationUri'] .= '&';
}
// Save the request tokens.
$this->set_cache($credentials);
/*
* Only non-static calls may show the authorization URL so as to not mislead people into
* authorizing their accounts for everyone connected to the API hub.
*/
if (\V1\APIRequest::is_static() === false) {
// Tell them were to go.
return \Utility::format_error(401, \V1\Err::OAUTH1_AUTHORIZE, \Lang::get('v1::errors.oauth1_authorize', array('url' => $settings['authorizationUri'] . 'oauth_token=' . $request_token_info['oauth_token'])));
} else {
return false;
}
}
}
$oauth->setToken($credentials['OAUTH_REQUEST_TOKEN'], $credentials['OAUTH_REQUEST_TOKEN_SECRET']);
try {
$access_token_info = $oauth->getAccessToken($settings['tokenCredentialsUri'], null, $credentials['OAUTH_VERIFIER'], $settings['tokenCredentialsMethod']);
} catch (\OAuthException $e) {
// Something went wrong, so destroy the cache, and return false so it can get fixed.
$this->delete_cache();
return false;
}
// Clean up our data, and set the access key and secret in the DB.
unset($credentials['OAUTH_REQUEST_TOKEN']);
unset($credentials['OAUTH_REQUEST_TOKEN_SECRET']);
unset($credentials['OAUTH_VERIFIER']);
$credentials['OAUTH_ACCESS_TOKEN'] = $access_token_info['oauth_token'];
$credentials['OAUTH_ACCESS_TOKEN_SECRET'] = $access_token_info['oauth_token_secret'];
// Keep the credentials cached
$this->set_cache($credentials);
return $credentials;
}
public function test_data_call()
{
$this->assertSame('my-call', \V1\APIRequest::data_call('data-call'));
$this->assertSame(false, \V1\APIRequest::data_call('fake', false));
}
/**
* Validate the signature for the call
*
* @param array $tokens The OAuth tokens from the header
* @return boolean True if valid, false if invalid
*/
protected static function valid_signature($tokens)
{
$mt = microtime(true);
// Decode the signature, or fail
if (($decoded_sig = urldecode(base64_decode($tokens['oauth_signature']))) === false) {
return false;
}
// Grab the account data so we have a copy of the customer's secret key.
$account_data = \V1\Model\Account::get_account($tokens['oauth_consumer_key']);
// If the account is invalid, fail.
if (empty($account_data)) {
return false;
}
$secret = \Crypt::decode($account_data['consumer_secret']);
// Reconstruct the data to build the signature.
$oauth = array('oauth_nonce' => $tokens['oauth_nonce'], 'oauth_timestamp' => $tokens['oauth_timestamp'], 'oauth_consumer_key' => $tokens['oauth_consumer_key'], 'oauth_consumer_secret' => $secret, 'body' => urlencode(urlencode(base64_encode(json_encode(\V1\APIRequest::post_data())))));
ksort($oauth);
$oauth_encoded = array();
foreach ($oauth as $key => $value) {
$oauth_encoded[] = $key . '=' . $value;
}
// Now we have the string to make the hash
$signed_string = urlencode(implode('&', $oauth_encoded));
// Final product
$hash = hash_hmac('sha256', $signed_string, $secret);
// If they match, it's valid.
return $hash === $decoded_sig;
}
/**
* Set the usage stats for an API call. API Providers use these for their statistics.
*
* @param number $status The HTTP status code from the remote server
* @param mixed $api_request_data The array of API request data, or null to use \V1\APIRequest::get()
* @param mixed $is_static True or false to signify static status, or null to use \V1\APIRequest::is_static()
*/
public static function set_api_stats($status = 200, $api_request_data = null, $is_static = null)
{
$api_request_data = $api_request_data === null ? \V1\APIRequest::get() : $api_request_data;
$is_static = $is_static === null ? \V1\APIRequest::is_static() : $is_static;
if ($is_static === true) {
\V1\Model\APIStats::set_stat($status, $api_request_data['static-call'], $api_request_data['api'], $is_static);
} else {
\V1\Model\APIStats::set_stat($status, $api_request_data['configure']['uri'], $api_request_data['api'], $is_static);
}
}
/**
* Prepare the response to show the customer. We also handle caching and usage.
*
* @param array $response The response array containing data from the remote server
* @param string $api The name of the API we're preparing the response for
*
* @return array The response formatted string
*/
public static function prepare_response(array $response, $api_request = null, $is_static = null)
{
$api_request = empty($api_request) ? \V1\APIRequest::get() : $api_request;
$api = $api_request['api'];
$is_static = $is_static === null ? \V1\APIRequest::is_static() : $is_static;
$api_data = \V1\Model\APIs::get_api($api);
if ($is_static === true && $api_data['account_id'] === 0) {
$response['headers'] = array();
} else {
$response['headers'] = static::sanitize_headers($response['headers']);
}
$response['body'] = static::convert_body($response['headers'], $response['body']);
$response_array = \Utility::format_response(200, $response);
$internal_call = \Utility::is_internal_call();
/*
* Cache the static call response if it the remote server didn't report an error.
* To allow for proper testing, we don't cache calls from the account area or other internal
* locations.
*/
if ($is_static === true && $response['status'] < 300 && $internal_call === false) {
$api_call = $is_static === true ? $api_request['static-call'] : null;
\V1\Call\StaticCall::set_call_cache($response_array, $api, $api_call);
}
/*
* Log the usage stats if we aren't running a call from the internal API testing system. (Ex. The
* account area)
*/
if ($internal_call === false) {
// Set the account usage stats
\V1\Usage::set_usage($api);
// Set the API provider stats
\V1\Usage::set_api_stats($response['status'], $api_request, $is_static);
}
return $response_array;
}