curl.php.svn-base

来自「PHP 知识管理系统（基于树结构的知识管理系统）, 英文原版的PHP源码。」· SVN-BASE 代码 · 共 800 行 · 第 1/2 页

                return $result;
            }
        }

        // Map the deprecated variables and throw a bunch of errors
        $this->_mapDeprecatedVariables();

        // Default return value is true.
        $ret = true;

        // Basic stuff
        $ret = curl_setopt($this->_ch, CURLOPT_URL,    $this->url);
        $ret = curl_setopt($this->_ch, CURLOPT_HEADER, $this->header);
      
        // Whether or not to return the transfer contents
        if ($this->returnTransfer === true) {
            $ret = curl_setopt($this->_ch, CURLOPT_RETURNTRANSFER, true);
        }
      
        // HTTP Authentication
        if ($this->username != '') {
            $ret = curl_setopt($this->_ch, CURLOPT_USERPWD, $this->username . ':' . $this->password);
        }
      
        // SSL Checks
        if (isset($this->sslVersion)) {
            $ret = curl_setopt($this->_ch, CURLOPT_SSLVERSION, $this->sslVersion);
        }
      
        if (isset($this->sslCert)) {
            $ret = curl_setopt($this->_ch, CURLOPT_SSLCERT, $this->sslCert);
        }
      
        if (isset($this->sslCertPasswd)) {
            $ret = curl_setopt($this->_ch, CURLOPT_SSLCERTPASSWD, $this->sslCertPasswd);
        }
      
        // Proxy Related checks
        if (isset($this->proxy)) {
            $ret = curl_setopt($this->_ch, CURLOPT_PROXY, $this->proxy);
        }
  
        if (isset($this->proxyUser) || isset($this->proxyPassword)) {
            $ret = curl_setopt($this->_ch, CURLOPT_PROXYUSERPWD, $this->proxyUser . ':' . $this->proxyPassword);
        }

        if (is_bool($this->verifyPeer)) {
            if(!$this->setOption(CURLOPT_SSL_VERIFYPEER,$this->verifyPeer)) {
                return PEAR::raiseError('Error setting CURLOPT_SSL_VERIFYPEER');
            } 
        }

        if (is_numeric($this->verifyHost) && $this->verifyHost >= 0 &&
            $this->verifyHost <= 2) {
            if(!$this->setOption(CURLOPT_SSL_VERIFYHOST,$this->verifyHost)) {
                return PEAR::raiseError('Error setting CURLOPT_SSL_VERIFYPEER');
            } 
        }

        if (is_bool($this->verifyPeer) && $this->verifyPeer == true) {
            if (isset($this->caInfo) && strlen($this->caInfo)) {
                if (file_exists($this->caInfo)) {
                    if (!$this->setOption(CURLOPT_CAINFO,$this->caInfo)) { 
                        return PEAR::raiseError('Error setting CURLOPT_CAINFO');
                    }
                } else {
                    return PEAR::raiseError('Could not find CA info: '.$this->caInfo);
                }
            }

            if (isset($this->caPath) && is_string($this->caPath)) {
                if (!$this->setOption(CURLOPT_CAPATH,$this->caPath)) {
                    return PEAR::raiseError('Error setting CURLOPT_CAPATH');
                }
            }
        }
      
        // Transfer type
        if (isset($this->type)) {
            switch (strtolower($this->type)) {
            case 'post':
                $ret = curl_setopt($this->_ch, CURLOPT_POST, true);
                break;
            case 'put':
                $ret = curl_setopt($this->_ch, CURLOPT_PUT, true);
                break;
            }
        }
      
        // Transfer upload, etc. related
        if (isset($this->file)) {
            if (!file_exists($this->file)) {
                return PEAR::raiseError('File does not exist: '.$this->file);
            }

            $this->_fp = fopen($this->file,'r');
            if (!is_resource($this->_fp)) {
                return PEAR::raiseError('Could not open file: '.$this->file);
            }

            if (!isset($this->fileSize)) {
                $this->fileSize = filesize($this->file);
            }
        
            $ret = curl_setopt($this->_ch, CURLOPT_INFILE, $this->_fp);
            $ret = curl_setopt($this->_ch, CURLOPT_INFILESIZE, $this->fileSize);
            $ret = curl_setopt($this->_ch, CURLOPT_UPLOAD, true);
        }
      
        if (isset($this->fields)) {
            if (!isset($this->type)) {
                $this->type = 'post';
                $ret = curl_setopt($this->_ch, CURLOPT_POST, true);
            }

            // If fields is an array then turn it into a string. Somtimes
            // cURL doesn't like fields as an array.
            if (is_array($this->fields)) {
                $sets = array();
                foreach ($this->fields as $key => $val) {
                    $sets[] = $key . '=' . urlencode($val);
                } 

                $fields = implode('&',$sets);
            } else {
                $fields = $this->fields;
            }
        
            $ret = curl_setopt($this->_ch, CURLOPT_POSTFIELDS, $fields);
        }
      
        // Error related
        if ($this->progress === true) {
            $ret = curl_setopt($this->_ch, CURLOPT_PROGRESS, true);
        }
      
        if ($this->verbose === true) {
            $ret = curl_setopt($this->_ch, CURLOPT_VERBOSE, true);
        }
      
        if ($this->mute !== true) {
            $ret = curl_setopt($this->_ch, CURLOPT_MUTE, false);
        }
  
        // If a Location: header is passed then follow it
        $ret = curl_setopt($this->_ch, CURLOPT_FOLLOWLOCATION, $this->followLocation);
  
        // If a timeout is set and is greater then zero then set it
        if (is_numeric($this->timeout) && $this->timeout > 0) {
            $ret = curl_setopt($this->_ch, CURLOPT_TIMEOUT, $this->timeout);
        }
  
        if (isset($this->userAgent)) {
            $ret = curl_setopt($this->_ch, CURLOPT_USERAGENT, $this->userAgent);
        }
  
        // Cookies
        if (is_array($this->cookies) && count($this->cookies)) {
            $cookieData = '';
            foreach ($this->cookies as $name => $value) {
                $cookieData = $name . '=' . $value . ';';
            }
      
            $ret = curl_setopt($this->_ch, CURLOPT_COOKIE, $cookieData);
        }
      
        // Other HTTP headers
        if ($this->httpHeaders !== null) {
            if (is_array($this->httpHeaders)) {
                $ret = curl_setopt($this->_ch, CURLOPT_HTTPHEADER, $this->httpHeaders);
            } else {
                return PEAR::raiseError('Net_Curl::$httpHeaders must be an array');
            }
        }
  
        $ret = curl_exec($this->_ch);

        // Close the file before we return anything
        if (is_resource($this->_fp)) {
            fclose($this->_fp);
        }

        if (curl_errno($this->_ch)) { 
            return PEAR::raiseError(curl_error($this->_ch), curl_errno($this->_ch));
        }

        // Check to make sure we get a 2XX/3XX code and not a 404 or something.
        $info = $this->getInfo();
        if (!isset($info['http_code'])) {
            return PEAR::raiseError('Unknown or invalid HTTP response');
        } else {
            $type = substr($info['http_code'],0,1);
            if ($type != 2 && $type != 3) {
                return PEAR::raiseError('Unexpected HTTP code: '.$info['http_code']);
            }
        }
      
        return $ret;
    }
    // }}}
    // {{{ setOption($option, $value)
    /**
     * setOption
     *
     * Set a option for your cURL session. Please note that the cURL handler
     * is NOT created before execute(). This is for error checking purposes.
     * You should use setOption() in the following manner:
     *
     * <code>
     * <?php
     *
     * require_once('Net/Curl.php'); 
     * $curl = & new Net_Curl('http://www.example.com');
     * $check = $curl->create();
     * if (!PEAR::isError($check)) {
     *     $curl->setOption(CURLOPT_FOO,'bar');
     *     $result = $curl->execute();
     *     if (!PEAR::isError($result)) {
     *         echo $result;
     *     }
     * }
     *
     * ?>
     * </code> 
     * 
     * @author Joe Stump <[e-mail]>
     * @access public
     * @param int $option cURL constant (ie. CURLOPT_URL)
     * @param mixed $value
     * @return boolean
     */
    function setOption($option, $value)
    {
        if (is_resource($this->_ch)) {
            return curl_setopt($this->_ch, $option, $value);
        }

        return false;
    }
    // }}}
    // {{{ getInfo()
    /**
     * getInfo
     *
     * Returns the info from the cURL session. PEAR_Error if you try and run
     * this before you execute the session.
     *
     * @author Joe Stump <[e-mail]> 
     * @access public
     * @return mixed PEAR_Error if there is no resource, info on success
     */
    function getInfo()
    {
        if (is_resource($this->_ch)) {
            return curl_getinfo($this->_ch);
        }

        return PEAR::isError('cURL handler does not exist!');
    }
    // }}}
    // {{{ create()
    /**
     * create
     *
     * Create a cURL resource. If curl_init() doesn't exist or we could not
     * create a resource it will error out.
     *
     * @author Joe Stump <[e-mail]>
     * @return mixed PEAR_Error on failure, true on success
     */
    function create()
    {
        if (!function_exists('curl_init')) {
            return PEAR::raiseError('Function curl_init() not found');
        }

        $this->_ch = curl_init();
        if (!is_resource($this->_ch)) {
            return PEAR::raiseError('Could not initialize cURL handler');
        }

        return true;
    }
    // }}}
    // {{{ verboseAll()
    /**
     * Set a verbose output
     *
     * Turns on super debugging mode by not suppressing errors, turning on
     * verbose mode, showing headers and displaying progress.
     *
     * @access public
     * @author David Costa <[e-mail]>
     * @return void
     */
    function verboseAll() 
    {
        $this->verbose = true;
        $this->mute = false;
        $this->header = true;
        $this->progress = true;
    }
    // }}}
    // {{{ verbose_all()
    /**
     * Set a verbose output
     *
     * @access public
     * @author David Costa <[e-mail]>
     * @deprecated
     */
    function verbose_all()
    {
        $this->verboseAll();
        PEAR::raiseError('Net_Curl::verbose_all() is deprecated! Please use Net_Curl::verboseAll()'." <br />\n",null,PEAR_ERROR_PRINT);
        
    }
    // }}}
    // {{{ close()
    /**
     * Closes the curl transfer and finishes the object (kinda ;)
     *
     * @access public
     * @author Sterling Hughes <[e-mail]>
     * @return void
     * @since  PHP 4.0.5
     */
    function close()
    {
        if (is_resource($this->_ch)) {
            curl_close($this->_ch);
        }
    }
    // }}}
    // {{{ _mapDeprecatedVariables()
    /**
     * _mapDeprecatedVariables
     *
     * Maps deprecated variables into the appropriate places. It also throws
     * the necessary notices.
     *
     * @author Joe Stump <[e-mail]>
     * @access private
     * @return void
     */
    function _mapDeprecatedVariables() {
        $bad = array();
        if ($this->follow_location !== false) {
            if ($this->follow_location > 0) {
                $this->followLocation = true;
            } else {
                $this->followLocation = false;
            }

            $bad[] = array('follow_location','followLocation');
        }

        if ($this->return_transfer !== false) {
            if ($this->return_transfer > 0) {
                $this->returnTransfer = true;
            } else {
                $this->returnTransfer = false;
            }

            $bad[] = array('return_transfer','returnTransfer');
        }

        if ($this->file_size !== false) {
            $this->fileSize = $this->file_size;
            $bad[] = array('file_size','fileSize');
        }

        if ($this->http_headers !== false) {
            $this->httpHeaders = $this->http_headers;
            $bad[] = array('http_headers','httpHeaders');
        }

        foreach ($bad as $map) {
            PEAR::raiseError('Net_Curl::$'.$map[0].' is deprecated! Please use Net_Curl::$'.$map[1]." instead! <br />\n",null,PEAR_ERROR_PRINT);
        }
    }
    // {{{ __destruct()
    /**
     * __destruct 
     * 
     * PHP 5.x destructor. Runs Net_Curl::close() to make sure we close our
     * cURL connection.
     * 
     * @author Joe Stump <[e-mail]>  
     * @see Net_Curl::close()
     */
    function __destruct()
    {
        $this->close();
    }
    // }}}
}

?>