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<?php
namespace Spatie\Dropbox;
use Exception;
use GrahamCampbell\GuzzleFactory\GuzzleFactory;
use GuzzleHttp\Client as GuzzleClient;
use GuzzleHttp\ClientInterface;
use GuzzleHttp\Exception\ClientException;
use GuzzleHttp\Exception\RequestException;
use GuzzleHttp\Psr7;
use GuzzleHttp\Psr7\PumpStream;
use GuzzleHttp\Psr7\StreamWrapper;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\StreamInterface;
use Spatie\Dropbox\Exceptions\BadRequest;
class Client
{
const THUMBNAIL_FORMAT_JPEG = 'jpeg';
const THUMBNAIL_FORMAT_PNG = 'png';
const THUMBNAIL_SIZE_XS = 'w32h32';
const THUMBNAIL_SIZE_S = 'w64h64';
const THUMBNAIL_SIZE_M = 'w128h128';
const THUMBNAIL_SIZE_L = 'w640h480';
const THUMBNAIL_SIZE_XL = 'w1024h768';
const MAX_CHUNK_SIZE = 1024 * 1024 * 150;
const UPLOAD_SESSION_START = 0;
const UPLOAD_SESSION_APPEND = 1;
/**
* @var TokenProvider
*/
private $tokenProvider;
/** @var string */
protected $teamMemberId;
/** @var string */
protected $appKey;
/** @var string */
protected $appSecret;
/** @var \GuzzleHttp\Client */
protected $client;
/** @var int */
protected $maxChunkSize;
/** @var int */
protected $maxUploadChunkRetries;
/**
* @param string|array|null $accessTokenOrAppCredentials
* @param GuzzleClient|null $client
* @param int $maxChunkSize Set max chunk size per request (determines when to switch from "one shot upload" to upload session and defines chunk size for uploads via session).
* @param int $maxUploadChunkRetries How many times to retry an upload session start or append after RequestException.
* @param string $teamMemberID The team member ID to be specified for Dropbox business accounts
*/
public function __construct($accessTokenOrAppCredentials = null, ClientInterface $client = null, int $maxChunkSize = self::MAX_CHUNK_SIZE, int $maxUploadChunkRetries = 0, string $teamMemberId = null)
{
if (is_array($accessTokenOrAppCredentials)) {
[$this->appKey, $this->appSecret] = $accessTokenOrAppCredentials;
}
if ($accessTokenOrAppCredentials instanceof TokenProvider) {
$this->tokenProvider = $accessTokenOrAppCredentials;
}
if (is_string($accessTokenOrAppCredentials)) {
$this->tokenProvider = new InMemoryTokenProvider($accessTokenOrAppCredentials);
}
if ($teamMemberId !== null) {
$this->teamMemberId = $teamMemberId;
}
$this->client = $client ?? new GuzzleClient(['handler' => GuzzleFactory::handler()]);
$this->maxChunkSize = ($maxChunkSize < self::MAX_CHUNK_SIZE ? ($maxChunkSize > 1 ? $maxChunkSize : 1) : self::MAX_CHUNK_SIZE);
$this->maxUploadChunkRetries = $maxUploadChunkRetries;
}
/**
* Copy a file or folder to a different location in the user's Dropbox.
*
* If the source path is a folder all its contents will be copied.
*
* @link https://www.dropbox.com/developers/documentation/http/documentation#files-copy_v2
*/
public function copy(string $fromPath, string $toPath): array
{
$parameters = [
'from_path' => $this->normalizePath($fromPath),
'to_path' => $this->normalizePath($toPath),
];
return $this->rpcEndpointRequest('files/copy_v2', $parameters);
}
/**
* Create a folder at a given path.
*
* @link https://www.dropbox.com/developers/documentation/http/documentation#files-create_folder
*/
public function createFolder(string $path): array
{
$parameters = [
'path' => $this->normalizePath($path),
];
$object = $this->rpcEndpointRequest('files/create_folder', $parameters);
$object['.tag'] = 'folder';
return $object;
}
/**
* Create a shared link with custom settings.
*
* If no settings are given then the default visibility is RequestedVisibility.public.
* The resolved visibility, though, may depend on other aspects such as team and
* shared folder settings). Only for paid users.
*
* @link https://www.dropbox.com/developers/documentation/http/documentation#sharing-create_shared_link_with_settings
*/
public function createSharedLinkWithSettings(string $path, array $settings = []): array
{
$parameters = [
'path' => $this->normalizePath($path),
];
if (count($settings)) {
$parameters = array_merge(compact('settings'), $parameters);
}
return $this->rpcEndpointRequest('sharing/create_shared_link_with_settings', $parameters);
}
/**
* Search a file or folder in the user's Dropbox.
*
* @link https://www.dropbox.com/developers/documentation/http/documentation#files-search
*/
public function search(string $query, bool $includeHighlights = false): array
{
$parameters = [
'query' => $query,
'include_highlights' => $includeHighlights,
];
return $this->rpcEndpointRequest('files/search_v2', $parameters);
}
/**
* List shared links.
*
* For empty path returns a list of all shared links. For non-empty path
* returns a list of all shared links with access to the given path.
*
* If direct_only is set true, only direct links to the path will be returned, otherwise
* it may return link to the path itself and parent folders as described on docs.
*
* @link https://www.dropbox.com/developers/documentation/http/documentation#sharing-list_shared_links
*/
public function listSharedLinks(string $path = null, bool $direct_only = false, string $cursor = null): array
{
$parameters = [
'path' => $path ? $this->normalizePath($path) : null,
'cursor' => $cursor,
'direct_only' => $direct_only,
];
$body = $this->rpcEndpointRequest('sharing/list_shared_links', $parameters);
return $body['links'];
}
/**
* Delete the file or folder at a given path.
*
* If the path is a folder, all its contents will be deleted too.
* A successful response indicates that the file or folder was deleted.
*
* @link https://www.dropbox.com/developers/documentation/http/documentation#files-delete
*/
public function delete(string $path): array
{
$parameters = [
'path' => $this->normalizePath($path),
];
return $this->rpcEndpointRequest('files/delete', $parameters);
}
/**
* Download a file from a user's Dropbox.
*
* @param string $path
*
* @return resource
*
* @link https://www.dropbox.com/developers/documentation/http/documentation#files-download
*/
public function download(string $path)
{
$arguments = [
'path' => $this->normalizePath($path),
];
$response = $this->contentEndpointRequest('files/download', $arguments);
return StreamWrapper::getResource($response->getBody());
}
/**
* Download a folder from the user's Dropbox, as a zip file.
* The folder must be less than 20 GB in size and have fewer than 10,000 total files.
* The input cannot be a single file. Any single file must be less than 4GB in size.
*
* @param string $path
*
* @return resource
*
* @link https://www.dropbox.com/developers/documentation/http/documentation#files-download_zip
*/
public function downloadZip(string $path)
{
$arguments = [
'path' => $this->normalizePath($path),
];
$response = $this->contentEndpointRequest('files/download_zip', $arguments);
return StreamWrapper::getResource($response->getBody());
}
/**
* Returns the metadata for a file or folder.
*
* Note: Metadata for the root folder is unsupported.
*
* @link https://www.dropbox.com/developers/documentation/http/documentation#files-get_metadata
*/
public function getMetadata(string $path): array
{
$parameters = [
'path' => $this->normalizePath($path),
];
return $this->rpcEndpointRequest('files/get_metadata', $parameters);
}
/**
* Get a temporary link to stream content of a file.
*
* This link will expire in four hours and afterwards you will get 410 Gone.
* Content-Type of the link is determined automatically by the file's mime type.
*
* @link https://www.dropbox.com/developers/documentation/http/documentation#files-get_temporary_link
*/
public function getTemporaryLink(string $path): string
{
$parameters = [
'path' => $this->normalizePath($path),
];
$body = $this->rpcEndpointRequest('files/get_temporary_link', $parameters);
return $body['link'];
}
/**
* Get a thumbnail for an image.
*
* This method currently supports files with the following file extensions:
* jpg, jpeg, png, tiff, tif, gif and bmp.
*
* Photos that are larger than 20MB in size won't be converted to a thumbnail.
*
* @link https://www.dropbox.com/developers/documentation/http/documentation#files-get_thumbnail
*/
public function getThumbnail(string $path, string $format = 'jpeg', string $size = 'w64h64'): string
{
$arguments = [
'path' => $this->normalizePath($path),
'format' => $format,
'size' => $size,
];
$response = $this->contentEndpointRequest('files/get_thumbnail', $arguments);
return (string) $response->getBody();
}
/**
* Starts returning the contents of a folder.
*
* If the result's ListFolderResult.has_more field is true, call
* list_folder/continue with the returned ListFolderResult.cursor to retrieve more entries.
*
* Note: auth.RateLimitError may be returned if multiple list_folder or list_folder/continue calls
* with same parameters are made simultaneously by same API app for same user. If your app implements
* retry logic, please hold off the retry until the previous request finishes.
*
* @link https://www.dropbox.com/developers/documentation/http/documentation#files-list_folder
*/
public function listFolder(string $path = '', bool $recursive = false): array
{
$parameters = [
'path' => $this->normalizePath($path),
'recursive' => $recursive,
];
return $this->rpcEndpointRequest('files/list_folder', $parameters);
}
/**
* Once a cursor has been retrieved from list_folder, use this to paginate through all files and
* retrieve updates to the folder, following the same rules as documented for list_folder.
*
* @link https://www.dropbox.com/developers/documentation/http/documentation#files-list_folder-continue
*/
public function listFolderContinue(string $cursor = ''): array
{
return $this->rpcEndpointRequest('files/list_folder/continue', compact('cursor'));
}
/**
* Move a file or folder to a different location in the user's Dropbox.
*
* If the source path is a folder all its contents will be moved.
*
* @link https://www.dropbox.com/developers/documentation/http/documentation#files-move_v2
*/
public function move(string $fromPath, string $toPath, bool $autorename = false): array
{
$parameters = [
'from_path' => $this->normalizePath($fromPath),
'to_path' => $this->normalizePath($toPath),
'autorename' => $autorename,
];
return $this->rpcEndpointRequest('files/move_v2', $parameters);
}
/**
* The file should be uploaded in chunks if it size exceeds the 150 MB threshold
* or if the resource size could not be determined (eg. a popen() stream).
*
* @param string|resource $contents
*
* @return bool
*/
protected function shouldUploadChunked($contents): bool
{
$size = is_string($contents) ? strlen($contents) : fstat($contents)['size'];
if ($this->isPipe($contents)) {
return true;
}
if ($size === null) {
return true;
}
return $size > $this->maxChunkSize;
}
/**
* Check if the contents is a pipe stream (not seekable, no size defined).
*
* @param string|resource $contents
*
* @return bool
*/
protected function isPipe($contents): bool
{
return is_resource($contents) ? (fstat($contents)['mode'] & 010000) != 0 : false;
}
/**
* Create a new file with the contents provided in the request.
*
* Do not use this to upload a file larger than 150 MB. Instead, create an upload session with upload_session/start.
*
* @link https://www.dropbox.com/developers/documentation/http/documentation#files-upload
*
* @param string $path
* @param string|resource $contents
* @param string $mode
* @param bool $autorename
*
* @return array
*/
public function upload(string $path, $contents, $mode = 'add', $autorename = false): array
{
if ($this->shouldUploadChunked($contents)) {
return $this->uploadChunked($path, $contents, $mode);
}
$arguments = [
'path' => $this->normalizePath($path),
'mode' => $mode,
'autorename' => $autorename,
];
$response = $this->contentEndpointRequest('files/upload', $arguments, $contents);
$metadata = json_decode($response->getBody(), true);
$metadata['.tag'] = 'file';
return $metadata;
}
/**
* Upload file split in chunks. This allows uploading large files, since
* Dropbox API v2 limits the content size to 150MB.
*
* The chunk size will affect directly the memory usage, so be careful.
* Large chunks tends to speed up the upload, while smaller optimizes memory usage.
*
* @param string $path
* @param string|resource $contents
* @param string $mode
* @param int|null $chunkSize
*
* @return array
*/
public function uploadChunked(string $path, $contents, $mode = 'add', $chunkSize = null): array
{
if ($chunkSize === null || $chunkSize > $this->maxChunkSize) {
$chunkSize = $this->maxChunkSize;
}
$stream = $this->getStream($contents);
$cursor = $this->uploadChunk(self::UPLOAD_SESSION_START, $stream, $chunkSize, null);
while (! $stream->eof()) {
$cursor = $this->uploadChunk(self::UPLOAD_SESSION_APPEND, $stream, $chunkSize, $cursor);
}
return $this->uploadSessionFinish('', $cursor, $path, $mode);
}
/**
* @param int $type
* @param Psr7\Stream $stream
* @param int $chunkSize
* @param \Spatie\Dropbox\UploadSessionCursor|null $cursor
* @return \Spatie\Dropbox\UploadSessionCursor
* @throws Exception
*/
protected function uploadChunk($type, &$stream, $chunkSize, $cursor = null): UploadSessionCursor
{
$maximumTries = $stream->isSeekable() ? $this->maxUploadChunkRetries : 0;
$pos = $stream->tell();
$tries = 0;
tryUpload:
try {
$tries++;
$chunkStream = new Psr7\LimitStream($stream, $chunkSize, $stream->tell());
if ($type === self::UPLOAD_SESSION_START) {
return $this->uploadSessionStart($chunkStream);
}
if ($type === self::UPLOAD_SESSION_APPEND && $cursor !== null) {
return $this->uploadSessionAppend($chunkStream, $cursor);
}
throw new Exception('Invalid type');
} catch (RequestException $exception) {
if ($tries < $maximumTries) {
// rewind
$stream->seek($pos, SEEK_SET);
goto tryUpload;
}
throw $exception;
}
}
/**
* Upload sessions allow you to upload a single file in one or more requests,
* for example where the size of the file is greater than 150 MB.
* This call starts a new upload session with the given data.
*
* @link https://www.dropbox.com/developers/documentation/http/documentation#files-upload_session-start
*
* @param string|StreamInterface $contents
* @param bool $close
*
* @return UploadSessionCursor
*/
public function uploadSessionStart($contents, bool $close = false): UploadSessionCursor
{
$arguments = compact('close');
$response = json_decode(
$this->contentEndpointRequest('files/upload_session/start', $arguments, $contents)->getBody(),
true
);
return new UploadSessionCursor($response['session_id'], ($contents instanceof StreamInterface ? $contents->tell() : strlen($contents)));
}
/**
* Append more data to an upload session.
* When the parameter close is set, this call will close the session.
* A single request should not upload more than 150 MB.
*
* @link https://www.dropbox.com/developers/documentation/http/documentation#files-upload_session-append_v2
*
* @param string|StreamInterface $contents
* @param UploadSessionCursor $cursor
* @param bool $close
*
* @return \Spatie\Dropbox\UploadSessionCursor
*/
public function uploadSessionAppend($contents, UploadSessionCursor $cursor, bool $close = false): UploadSessionCursor
{
$arguments = compact('cursor', 'close');
$pos = $contents instanceof StreamInterface ? $contents->tell() : 0;
$this->contentEndpointRequest('files/upload_session/append_v2', $arguments, $contents);
$cursor->offset += $contents instanceof StreamInterface ? ($contents->tell() - $pos) : strlen($contents);
return $cursor;
}
/**
* Finish an upload session and save the uploaded data to the given file path.
* A single request should not upload more than 150 MB.
*
* @link https://www.dropbox.com/developers/documentation/http/documentation#files-upload_session-finish
*
* @param string|StreamInterface $contents
* @param \Spatie\Dropbox\UploadSessionCursor $cursor
* @param string $path
* @param string|array $mode
* @param bool $autorename
* @param bool $mute
*
* @return array
*/
public function uploadSessionFinish($contents, UploadSessionCursor $cursor, string $path, $mode = 'add', $autorename = false, $mute = false): array
{
$arguments = compact('cursor');
$arguments['commit'] = compact('path', 'mode', 'autorename', 'mute');
$response = $this->contentEndpointRequest(
'files/upload_session/finish',
$arguments,
($contents == '') ? null : $contents
);
$metadata = json_decode($response->getBody(), true);
$metadata['.tag'] = 'file';
return $metadata;
}
/**
* Get Account Info for current authenticated user.
*
* @link https://www.dropbox.com/developers/documentation/http/documentation#users-get_current_account
*
* @return array
*/
public function getAccountInfo(): array
{
return $this->rpcEndpointRequest('users/get_current_account');
}
/**
* Revoke current access token.
*
* @link https://www.dropbox.com/developers/documentation/http/documentation#auth-token-revoke
*/
public function revokeToken(): void
{
$this->rpcEndpointRequest('auth/token/revoke');
}
protected function normalizePath(string $path): string
{
if (preg_match("/^id:.*|^rev:.*|^(ns:[0-9]+(\/.*)?)/", $path) === 1) {
return $path;
}
$path = trim($path, '/');
return ($path === '') ? '' : '/'.$path;
}
protected function getEndpointUrl(string $subdomain, string $endpoint): string
{
if (count($parts = explode('::', $endpoint)) === 2) {
[$subdomain, $endpoint] = $parts;
}
return "https://{$subdomain}.dropboxapi.com/2/{$endpoint}";
}
/**
* @param string $endpoint
* @param array $arguments
* @param string|resource|StreamInterface $body
*
* @return \Psr\Http\Message\ResponseInterface
*
* @throws \Exception
*/
public function contentEndpointRequest(string $endpoint, array $arguments, $body = ''): ResponseInterface
{
$headers = ['Dropbox-API-Arg' => json_encode($arguments)];
if ($body !== '') {
$headers['Content-Type'] = 'application/octet-stream';
}
try {
$response = $this->client->post($this->getEndpointUrl('content', $endpoint), [
'headers' => $this->getHeaders($headers),
'body' => $body,
]);
} catch (ClientException $exception) {
throw $this->determineException($exception);
}
return $response;
}
public function rpcEndpointRequest(string $endpoint, array $parameters = null): array
{
try {
$options = ['headers' => $this->getHeaders()];
if ($parameters) {
$options['json'] = $parameters;
}
$response = $this->client->post($this->getEndpointUrl('api', $endpoint), $options);
} catch (ClientException $exception) {
throw $this->determineException($exception);
}
$response = json_decode($response->getBody(), true);
return $response ?? [];
}
protected function determineException(ClientException $exception): Exception
{
if (in_array($exception->getResponse()->getStatusCode(), [400, 409])) {
return new BadRequest($exception->getResponse());
}
return $exception;
}
/**
* @param $contents
*
* @return \GuzzleHttp\Psr7\PumpStream|\GuzzleHttp\Psr7\Stream|StreamInterface
*/
protected function getStream($contents)
{
if ($this->isPipe($contents)) {
/* @var resource $contents */
return new PumpStream(function ($length) use ($contents) {
$data = fread($contents, $length);
if (strlen($data) === 0) {
return false;
}
return $data;
});
}
return Psr7\Utils::streamFor($contents);
}
/**
* Get the access token.
*/
public function getAccessToken(): string
{
return $this->tokenProvider->getToken();
}
/**
* Set the access token.
*/
public function setAccessToken(string $accessToken): self
{
$this->tokenProvider = new InMemoryTokenProvider($accessToken);
return $this;
}
/**
* Get the HTTP headers.
*/
protected function getHeaders(array $headers = []): array
{
$auth = [];
if ($this->tokenProvider || ($this->appKey && $this->appSecret)) {
$auth = $this->tokenProvider
? $this->getHeadersForBearerToken($this->tokenProvider->getToken())
: $this->getHeadersForCredentials();
}
if ($this->teamMemberId) {
$auth = array_merge(
$auth,
[
'Dropbox-API-Select-User' => $this->teamMemberId,
]
);
}
return array_merge($auth, $headers);
}
/**
* @return array
*/
protected function getHeadersForBearerToken($token)
{
return [
'Authorization' => "Bearer {$token}",
];
}
/**
* @return array
*/
protected function getHeadersForCredentials()
{
return [
'Authorization' => 'Basic '.base64_encode("{$this->appKey}:{$this->appSecret}"),
];
}
}