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authenticate.php
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authenticate.php
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<?php
session_start();
require_once "authHeader.php";
// If a post request was sent from login.html, authorize user.
if($_SERVER['REQUEST_METHOD'] == 'POST'){
// Get submitted inputs
$email = trim($_POST['email']); // Email for Connect Yard account
$password = trim($_POST['password']);
// Request for Unauthorized Request Token
$requestTokenUrl = "https://api.connectyard.com/oauth/request_token.php";
$oauthTimestamp = generate_timestamp();
$nonce = generate_nonce();
// Sign request
$sigBase = "GET&" . rawurlencode($requestTokenUrl) . "&"
. rawurlencode("oauth_consumer_key=" . rawurlencode($key)
. "&oauth_nonce=" . rawurlencode($nonce)
. "&oauth_signature_method=" . rawurlencode($oauthSignatureMethod)
. "&oauth_timestamp=" . $oauthTimestamp
. "&oauth_version=" . $oauthVersion);
$sigKey = $secret . "&";
$oauthSig = base64_encode(hash_hmac("sha1", $sigBase, $sigKey, true));
// Build signed request URL
$requestUrl = $requestTokenUrl . "?"
. "oauth_consumer_key=" . rawurlencode($key)
. "&oauth_nonce=" . rawurlencode($nonce)
. "&oauth_signature_method=" . rawurlencode($oauthSignatureMethod)
. "&oauth_timestamp=" . rawurlencode($oauthTimestamp)
. "&oauth_version=" . rawurlencode($oauthVersion)
. "&oauth_signature=" . rawurlencode($oauthSig);
// Get Request Token, redirect to login if request fails
$response = @file_get_contents($requestUrl);
if($response === false) {
header("Location: login.html");
}
// Save token and secret as cookies
parse_str($response, $values);
setcookie("requestToken", $values["oauth_token"]);
setcookie("requestTokenSecret", $values["oauth_token_secret"]);
// Request Authorization of Request Token
$authorizeUrl = "https://api.connectyard.com/oauth/authorize.php";
$authorizeUrl = $authorizeUrl . "?oauth_token=" . getcookie("requestToken") . "&userEmail=" . $email;
// Send request for authorized request token, redirect to login if request fails
$response = @file_get_contents($authorizeUrl);
if($response === false) {
header("Location: login.html");
}
$pieces = explode('"', $response);
// Save user Id as session variable and get oauth_verifier from response
setcookie("userId", $pieces[11]);
$verifier = $pieces[3];
// Request Access Token
$accessTokenUrl = "https://api.connectyard.com/oauth/access_token.php";
$oauthTimestamp = generate_timestamp();
$nonce = generate_nonce();
// Sign request for access token
$sigBase = "GET&" . rawurlencode($accessTokenUrl) . "&"
. rawurlencode("oauth_consumer_key=" . rawurlencode($key)
. "&oauth_nonce=" . rawurlencode($nonce)
. "&oauth_signature_method=" . rawurlencode($oauthSignatureMethod)
. "&oauth_timestamp=" . rawurlencode($oauthTimestamp)
. "&oauth_token=" . rawurlencode(getcookie("requestToken"))
. "&oauth_verifier=" . rawurlencode($verifier)
. "&oauth_version=" . rawurlencode($oauthVersion));
$sigKey = $secret. "&" . getcookie("requestTokenSecret");
$oauthSig = base64_encode(hash_hmac("sha1", $sigBase, $sigKey, true));
// Build signed request URL for access token
$requestUrl = $accessTokenUrl . "?"
. "oauth_consumer_key=" . rawurlencode($key)
. "&oauth_nonce=" . rawurlencode($nonce)
. "&oauth_signature_method=" . rawurlencode($oauthSignatureMethod)
. "&oauth_timestamp=" . rawurlencode($oauthTimestamp)
. "&oauth_token=" . rawurlencode(getcookie("requestToken"))
. "&oauth_verifier=" . rawurlencode($verifier)
. "&oauth_version=". rawurlencode($oauthVersion)
. "&oauth_signature=" . rawurlencode($oauthSig);
// Send request for access token, redirect to login if request fails
$response = @file_get_contents($requestUrl);
if($response === false) {
header("Location: login.html");
}
// Save access token and access token secret as session variables
parse_str($response, $values);
setcookie("accessToken", $values["oauth_token"]);
setcookie("accessTokenSecret", $values["oauth_token_secret"]);
// Determine whether user is member or icon.
// Get user info
$response = getUserInfo(getcookie("userId"), getcookie("accessToken"), getcookie("accessTokenSecret"));
// Get user's name
$pieces = explode('"', $response);
$name = $pieces[7];
//Get users in yard
$yardUrl = "https://api.connectyard.com/v1/yards/" . $yardId . "/users";
$oauthTimestamp = generate_timestamp();
$nonce = generate_nonce();
// Sign Request
$sigBase = "GET&" . rawurlencode($yardUrl) . "&"
. rawurlencode("oauth_consumer_key=" . rawurlencode($key)
. "&oauth_nonce=" . rawurlencode($nonce)
. "&oauth_signature_method=" . rawurlencode($oauthSignatureMethod)
. "&oauth_timestamp=" . rawurlencode($oauthTimestamp)
. "&oauth_token=" . rawurlencode(getcookie("accessToken"))
. "&oauth_version=" . rawurlencode($oauthVersion)
. "&search_name=" . rawurlencode($name)
. "&yard_id=" . rawurlencode($yardId));
$sigKey = $secret. "&" . getcookie("accessTokenSecret");
$oauthSig = base64_encode(hash_hmac("sha1", $sigBase, $sigKey, true));
$requestUrl = $yardUrl . "?"
. "oauth_consumer_key=" . rawurlencode($key)
. "&oauth_nonce=" . rawurlencode($nonce)
. "&oauth_signature_method=" . rawurlencode($oauthSignatureMethod)
. "&oauth_timestamp=" . rawurlencode($oauthTimestamp)
. "&oauth_token=" . rawurlencode(getcookie("accessToken"))
. "&oauth_version=". rawurlencode($oauthVersion)
. "&oauth_signature=" . rawurlencode($oauthSig)
. "&search_name=" . rawurlencode($name)
. "&yard_id=" . rawurlencode($yardId);
$response = file_get_contents($requestUrl);
$pieces = explode('"', $response);
// Index of ID and role of first user in list of users
$idIndex = 5;
$roleIndex = 21;
// If multiple users have the same name, increment to the next user until the correct ID is found.
while($pieces[$idIndex] != getcookie("userId")) {
$idIndex += 24;
$roleIndex += 24;
}
// If the user is an admin, set icon to true; otherwise false.
if($pieces[$roleIndex] == "admin") {
setcookie("icon", true);
} else {
setcookie("icon", false);
}
// If the user is an icon, redirect to icon index, otherwise if they are not redirect to member index.
if(getcookie("icon"))
header("Location: index-icon.html");
else if(!getcookie("icon"))
header("Location: index-member.html");
// Do not allow user to access this file through the search bar.
} else {
header("Location: login.html");
}
?>