oauth_callback = $oauth_callback; } $this->consumer = new OAuthConsumer($consumer_key, $consumer_secret, $this->oauth_callback); $this->signature_method = new OAuthSignatureMethod_HMAC_SHA1(); $this->request_token_path = $this->secure_base_url . "/uas/oauth/requestToken"; $this->access_token_path = $this->secure_base_url . "/uas/oauth/accessToken"; $this->authorize_path = $this->secure_base_url . "/uas/oauth/authorize"; } function getRequestToken() { $consumer = $this->consumer; $request = OAuthRequest::from_consumer_and_token($consumer, NULL, "GET", $this->request_token_path); $request->set_parameter("oauth_callback", $this->oauth_callback); $request->sign_request($this->signature_method, $consumer, NULL); $headers = Array(); $url = $request->to_url(); $response = $this->httpRequest($url, $headers, "GET"); parse_str($response, $response_params); $this->request_token = new OAuthConsumer($response_params['oauth_token'], $response_params['oauth_token_secret'], 1); } function generateAuthorizeUrl() { $consumer = $this->consumer; $request_token = $this->request_token; return $this->authorize_path . "?oauth_token=" . $request_token->key; } function getAccessToken($oauth_verifier) { $request = OAuthRequest::from_consumer_and_token($this->consumer, $this->request_token, "GET", $this->access_token_path); $request->set_parameter("oauth_verifier", $oauth_verifier); $request->sign_request($this->signature_method, $this->consumer, $this->request_token); $headers = Array(); $url = $request->to_url(); $response = $this->httpRequest($url, $headers, "GET"); parse_str($response, $response_params); if($debug) { echo $response . "\n"; } $this->access_token = new OAuthConsumer($response_params['oauth_token'], $response_params['oauth_token_secret'], 1); } function getProfile($resource = "~") { $profile_url = $this->base_url . "/v1/people/" . $resource; $request = OAuthRequest::from_consumer_and_token($this->consumer, $this->access_token, "GET", $profile_url); $request->sign_request($this->signature_method, $this->consumer, $this->access_token); $auth_header = $request->to_header("https://api.linkedin.com"); # this is the realm # This PHP library doesn't generate the header correctly when a realm is not specified. # Make sure there is a space and not a comma after OAuth // $auth_header = preg_replace("/Authorization\: OAuth\,/", "Authorization: OAuth ", $auth_header); // # Make sure there is a space between OAuth attribute // $auth_header = preg_replace('/\"\,/', '", ', $auth_header); if ($debug) { echo $auth_header; } // $response will now hold the XML document $response = $this->httpRequest($profile_url, $auth_header, "GET"); return $response; } function setStatus($status) { $status_url = $this->base_url . "/v1/people/~/current-status"; echo "Setting status...\n"; $xml = "" . htmlspecialchars($status, ENT_NOQUOTES, "UTF-8") . ""; echo $xml . "\n"; $request = OAuthRequest::from_consumer_and_token($this->consumer, $this->access_token, "PUT", $status_url); $request->sign_request($this->signature_method, $this->consumer, $this->access_token); $auth_header = $request->to_header("https://api.linkedin.com"); if ($debug) { echo $auth_header . "\n"; } $response = $this->httpRequest($profile_url, $auth_header, "GET"); return $response; } # Parameters should be a query string starting with "?" # Example search("?count=10&start=10&company=LinkedIn"); function search($parameters) { $search_url = $this->base_url . "/v1/people/" . $parameters; echo "Performing search for: " . $parameters . "\n"; $request = OAuthRequest::from_consumer_and_token($this->consumer, $this->access_token, "GET", $search_url); $request->sign_request($this->signature_method, $this->consumer, $this->access_token); $auth_header = $request->to_header("https://api.linkedin.com"); if ($debug) { echo $request->get_signature_base_string() . "\n"; echo $auth_header . "\n"; } $response = $this->httpRequest($search_url, $auth_header, "GET"); return $response; } function httpRequest($url, $auth_header, $method, $body = NULL) { if (!$method) { $method = "GET"; }; $curl = curl_init(); curl_setopt($curl, CURLOPT_URL, $url); curl_setopt($curl, CURLOPT_HEADER, 0); curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); curl_setopt($curl, CURLOPT_HTTPHEADER, array($auth_header)); // Set the headers. if ($body) { curl_setopt($curl, CURLOPT_POST, 1); curl_setopt($curl, CURLOPT_POSTFIELDS, $body); curl_setopt($curl, CURLOPT_CUSTOMREQUEST, $method); curl_setopt($curl, CURLOPT_HTTPHEADER, array($auth_header, "Content-Type: text/xml;charset=utf-8")); } $data = curl_exec($curl); if ($this->debug) { echo $data . "\n"; } curl_close($curl); return $data; } }