PayPalAccessOpenIDConnectOAuth.PHP

getAccessToken-request-php

//download the complete php code sample from https://github.com/paypal/paypal-access

/**
    * Get Access Token
    *
    * After the user is forwarded back to the application callback (defined in
    * the application at devportal.x.com) and the code parameter is available on
    * the query string, exchange the code parameter for an access token.
    * 
    */
    public function get_access_token(){
        $code = $_GET['code'];
            $postvals = sprintf("client_id=%s&client_secret=%s&grant_type=authorization_code&code=%s",
            $this->key,
            $this->secret,
            $code,
            urlencode($this->callback_url));

        $token = json_decode($this->run_curl(ACCESS_TOKEN_ENDPOINT, "POST", $postvals));

        $this->access_token = $token->access_token;
        $this->refresh_token = $token->refresh_token;
        $this->id_token = $token->id_token;

        return $token;
    }

getAuthURL-request-php

//download the complete php code sample from https://github.com/paypal/paypal-access

    /**
    * Get Auth URL
    *
    * Obtain the auth URL on PayPal to which the user should be forwarded
    * to in order to log in and authorize access permissions.
    * 
    */
    public function get_auth_url(){
        $auth_url = sprintf("%s?client_id=%s&response_type=code&scope=%s&redirect_uri=%s&nonce=%s&state=%s",
                            AUTHORIZATION_ENDPOINT,
                            $this->key,
                            $this->scopes,
                            urlencode($this->callback_url),
                            time() . rand(),
                            $this->state);
            
        return $auth_url;
    }

getUserProfile-request-php

//download the complete php code sample from https://github.com/paypal/paypal-access

    /**
    * Get Profile
    *
    * Get the full profile of the user using the access token.  This will
    * return all information that the application has requested and the user
    * has accepted from the permissions.
    * 
    */
    public function get_profile(){
        $profile_url = sprintf("%s?schema=openid&access_token=%s",
                               PROFILE_ENDPOINT,
                               $this->access_token);
        
        $profile = json_decode($this->run_curl($profile_url));
        
        return $profile;
    }

logoutUser-request-php

//download the complete php code sample from https://github.com/paypal/paypal-access

    /**
    * End Session
    *
    * Call the PayPal logout endpoint to log the user out.  When auth is
    * requested following this call, the user will be prompted to log in
    * again with their PayPal credentials.
    * 
    */
    public function end_session(){
        $logout_url = sprintf("%s?id_token=%s&state=%s&redirect_url=%s",
                               LOGOUT_ENDPOINT,
                               $this->id_token,
                               $this->state,
                               $this->callback_url . "&logout=true");
        
        $this->run_curl($logout_url);
    }

refreshAccessToken-request-php

//download the complete php code sample from https://github.com/paypal/paypal-access

    /**
    * Refresh Access Token
    *
    * If the access token has expired, call the access token endpoint with the
    * refresh token to automatically refresh and provide back a new
    * access token.
    * 
    */
    public function refresh_access_token(){
        $postvals = sprintf("client_id=%s&client_secret=%s&grant_type=refresh_token&refresh_token=%s&scope=%s",
                            $this->key,
                            $this->secret,
                            $this->refresh_token,
                            $this->scopes);
        
        $token = json_decode($this->run_curl(ACCESS_TOKEN_ENDPOINT, "POST", $postvals));
        
        return $token;
    }

validateToken-request-php

//download the complete php code sample from https://github.com/paypal/paypal-access

    /**
    * Validate Token
    *
    * Provides a validation response back to the user for id token validation
    * purposes.
    * 
    */
    public function validate_token(){
        $postvals = sprintf("access_token=%s", $this->id_token);
        
        $verification = $this->run_curl(VALIDATE_ENDPOINT, "POST", $postvals);
        
        return $verification;
    }