nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ONELOGIN, INC. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ********************************************************************************/ /** * Create a SAML authorization request. */ class SamlAuthRequest { /** * A SamlResponse class provided to the constructor. */ private $settings; /** * Construct the response object. * * @param SamlResponse $settings * A SamlResponse settings object containing the necessary * x509 certicate to decode the XML. */ function __construct($settings) { $this->settings = $settings; } /** * Generate the request. * * @return * A fully qualified URL that can be redirected to in order to process * the authorization request. */ public function create() { $id = $this->generateUniqueID(20); $issue_instant = $this->getTimestamp(); $request = "settings->assertion_consumer_service_url."\">". "".$this->settings->issuer."\n". "settings->name_identifier_format."\" AllowCreate=\"true\">\n". "". "urn:oasis:names:tc:SAML:2.0:ac:classes:PasswordProtectedTransport\n". ""; $deflated_request = gzdeflate($request); $base64_request = base64_encode($deflated_request); $encoded_request = urlencode($base64_request); return $this->settings->idp_sso_target_url."?SAMLRequest=".$encoded_request; } private function generateUniqueID($length) { $chars = "abcdef0123456789"; $chars_len = strlen($chars); $uniqueID = ""; for ($i = 0; $i < $length; $i++) $uniqueID .= substr($chars,rand(0,15),1); return "_".$uniqueID; } private function getTimestamp() { date_default_timezone_set('UTC'); return strftime("%Y-%m-%dT%H:%M:%SZ"); } }; ?>