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<?php
/**
* Dropbox Uploader
*
* Copyright (c) 2009 Jaka Jancar
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @author Jaka Jancar [jaka@kubje.org] [http://jaka.kubje.org/]
* @version 1.1.5
*/
class DropboxUploader {
protected $email;
protected $password;
protected $caCertSourceType = self::CACERT_SOURCE_SYSTEM;
const CACERT_SOURCE_SYSTEM = 0;
const CACERT_SOURCE_FILE = 1;
const CACERT_SOURCE_DIR = 2;
protected $caCertSource;
protected $loggedIn = false;
protected $cookies = array();
/**
* Constructor
*
* @param string $email
* @param string|null $password
*/
public function __construct($email, $password) {
// Check requirements
if (!extension_loaded('curl'))
throw new Exception('DropboxUploader requires the cURL extension.');
$this->email = $email;
$this->password = $password;
}
public function setCaCertificateFile($file)
{
$this->caCertSourceType = self::CACERT_SOURCE_FILE;
$this->caCertSource = $file;
}
public function setCaCertificateDir($dir)
{
$this->caCertSourceType = self::CACERT_SOURCE_DIR;
$this->caCertSource = $dir;
}
public function upload($source, $remoteDir='/', $remoteName=null) {
if (!file_exists($source) or !is_file($source) or !is_readable($source))
throw new Exception("File '$source' does not exist or is not readable.");
if (!is_string($remoteDir))
throw new Exception("Remote directory must be a string, is ".gettype($remoteDir)." instead.");
if (is_null($remoteName)) {
$remoteName = $source;
} else if (!is_string($remoteName)) {
throw new Exception("Remote filename must be a string, is ".gettype($remoteDir)." instead.");
}
if (!$this->loggedIn)
$this->login();
$data = $this->request('https://www.dropbox.com/home');
$token = $this->extractToken($data, 'https://dl-web.dropbox.com/upload');
$postdata = array('plain'=>'yes', 'file'=>'@'.$source.';filename='.$remoteName, 'dest'=>$remoteDir, 't'=>$token);
$data = $this->request('https://dl-web.dropbox.com/upload', true, $postdata);
if (strpos($data, 'HTTP/1.1 302 FOUND') === false)
throw new Exception('Upload failed!');
}
protected function login() {
$data = $this->request('https://www.dropbox.com/login');
$data = $this->request('https://www.dropbox.com/login', true, array('login_email'=>$this->email, 'login_password'=>$this->password));
if (stripos($data, 'location: /home') === false)
throw new Exception('Login unsuccessful.');
$this->loggedIn = true;
}
protected function request($url, $post=false, $postData=array()) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
switch ($this->caCertSourceType) {
case self::CACERT_SOURCE_FILE:
curl_setopt($ch, CURLOPT_CAINFO, $this->caCertSource);
break;
case self::CACERT_SOURCE_DIR:
curl_setopt($ch, CURLOPT_CAPATH, $this->caCertSource);
break;
}
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
if ($post) {
curl_setopt($ch, CURLOPT_POST, $post);
curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);
}
// Send cookies
$rawCookies = array();
foreach ($this->cookies as $k=>$v)
$rawCookies[] = "$k=$v";
$rawCookies = implode(';', $rawCookies);
curl_setopt($ch, CURLOPT_COOKIE, $rawCookies);
$data = curl_exec($ch);
if ($data === false)
throw new Exception('Cannot execute request: '.curl_error($ch));
// Store received cookies
preg_match_all('/Set-Cookie: ([^=]+)=(.*?);/i', $data, $matches, PREG_SET_ORDER);
foreach ($matches as $match)
$this->cookies[$match[1]] = $match[2];
curl_close($ch);
return $data;
}
protected function extractToken($html, $formAction) {
if (!preg_match('/<form [^>]*'.preg_quote($formAction, '/').'[^>]*>.*?(<input [^>]*name="t" [^>]*value="(.*?)"[^>]*>).*?<\/form>/is', $html, $matches) || !isset($matches[2]))
throw new Exception("Cannot extract token! (form action=$formAction)");
return $matches[2];
}
}
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