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authorRedMatrix <info@friendica.com>2014-10-13 09:59:01 +1100
committerRedMatrix <info@friendica.com>2014-10-13 09:59:01 +1100
commitb1ea4f9e1161d4edf3b8c858df91ffbce65199bb (patch)
tree0018ab3d0460d1ce2e0b17061e20fb10776c58af
parent1dfd74fe3959a8f76abf1ac8c66f2b4f2649e128 (diff)
parent5aae5862f285d9340b37abfb3c390c2816692c6d (diff)
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Merge pull request #636 from dawnbreak/RedDAV
Moved classes from reddav.php into own files.
-rw-r--r--include/RedDAV/RedBasicAuth.php208
-rw-r--r--include/RedDAV/RedBrowser.php17
-rw-r--r--include/RedDAV/RedDirectory.php461
-rw-r--r--include/RedDAV/RedFile.php275
-rw-r--r--include/reddav.php944
-rw-r--r--mod/cloud.php8
6 files changed, 985 insertions, 928 deletions
diff --git a/include/RedDAV/RedBasicAuth.php b/include/RedDAV/RedBasicAuth.php
new file mode 100644
index 000000000..c1da73da1
--- /dev/null
+++ b/include/RedDAV/RedBasicAuth.php
@@ -0,0 +1,208 @@
+<?php
+
+namespace RedMatrix\RedDAV;
+
+use Sabre\DAV;
+
+/**
+ * @brief Authentication backend class for RedDAV.
+ *
+ * This class also contains some data which is not necessary for authentication
+ * like timezone settings.
+ *
+ * @extends Sabre\DAV\Auth\Backend\AbstractBasic
+ *
+ * @link http://github.com/friendica/red
+ * @license http://opensource.org/licenses/mit-license.php The MIT License (MIT)
+ */
+class RedBasicAuth extends DAV\Auth\Backend\AbstractBasic {
+
+ /**
+ * @brief This variable holds the currently logged-in channel_address.
+ *
+ * It is used for building path in filestorage/.
+ *
+ * @var string|null
+ */
+ protected $channel_name = null;
+ /**
+ * channel_id of the current channel of the logged-in account.
+ *
+ * @var int
+ */
+ public $channel_id = 0;
+ /**
+ * channel_hash of the current channel of the logged-in account.
+ *
+ * @var string
+ */
+ public $channel_hash = '';
+ /**
+ * Set in mod/cloud.php to observer_hash.
+ *
+ * @var string
+ */
+ public $observer = '';
+ /**
+ *
+ * @see RedBrowser::set_writeable()
+ * @var DAV\Browser\Plugin
+ */
+ public $browser;
+ /**
+ * channel_id of the current visited path. Set in RedDirectory::getDir().
+ *
+ * @var int
+ */
+ public $owner_id = 0;
+ /**
+ * channel_name of the current visited path. Set in RedDirectory::getDir().
+ *
+ * Used for creating the path in cloud/
+ *
+ * @var string
+ */
+ public $owner_nick = '';
+ /**
+ * Timezone from the visiting channel's channel_timezone.
+ *
+ * Used in @ref RedBrowser
+ *
+ * @var string
+ */
+ protected $timezone = '';
+
+
+ /**
+ * @brief Validates a username and password.
+ *
+ * Guest access is granted with the password "+++".
+ *
+ * @see \Sabre\DAV\Auth\Backend\AbstractBasic::validateUserPass
+ * @param string $username
+ * @param string $password
+ * @return bool
+ */
+ protected function validateUserPass($username, $password) {
+ if (trim($password) === '+++') {
+ logger('(DAV): RedBasicAuth::validateUserPass(): guest ' . $username);
+ return true;
+ }
+
+ require_once('include/auth.php');
+ $record = account_verify_password($username, $password);
+ if ($record && $record['account_default_channel']) {
+ $r = q("SELECT * FROM channel WHERE channel_account_id = %d AND channel_id = %d LIMIT 1",
+ intval($record['account_id']),
+ intval($record['account_default_channel'])
+ );
+ if ($r) {
+ return $this->setAuthenticated($r[0]);
+ }
+ }
+ $r = q("SELECT * FROM channel WHERE channel_address = '%s' LIMIT 1",
+ dbesc($username)
+ );
+ if ($r) {
+ $x = q("SELECT account_flags, account_salt, account_password FROM account WHERE account_id = %d LIMIT 1",
+ intval($r[0]['channel_account_id'])
+ );
+ if ($x) {
+ // @fixme this foreach should not be needed?
+ foreach ($x as $record) {
+ if (($record['account_flags'] == ACCOUNT_OK) || ($record['account_flags'] == ACCOUNT_UNVERIFIED)
+ && (hash('whirlpool', $record['account_salt'] . $password) === $record['account_password'])) {
+ logger('(DAV) RedBasicAuth: password verified for ' . $username);
+ return $this->setAuthenticated($r[0]);
+ }
+ }
+ }
+ }
+ logger('(DAV) RedBasicAuth: password failed for ' . $username);
+ return false;
+ }
+
+ /**
+ * @brief Sets variables and session parameters after successfull authentication.
+ *
+ * @param array $r
+ * Array with the values for the authenticated channel.
+ * @return bool
+ */
+ protected function setAuthenticated($r) {
+ $this->channel_name = $r['channel_address'];
+ $this->channel_id = $r['channel_id'];
+ $this->channel_hash = $this->observer = $r['channel_hash'];
+ $_SESSION['uid'] = $r['channel_id'];
+ $_SESSION['account_id'] = $r['channel_account_id'];
+ $_SESSION['authenticated'] = true;
+ return true;
+ }
+
+ /**
+ * Sets the channel_name from the currently logged-in channel.
+ *
+ * @param string $name
+ * The channel's name
+ */
+ public function setCurrentUser($name) {
+ $this->channel_name = $name;
+ }
+ /**
+ * Returns information about the currently logged-in channel.
+ *
+ * If nobody is currently logged in, this method should return null.
+ *
+ * @see \Sabre\DAV\Auth\Backend\AbstractBasic::getCurrentUser
+ * @return string|null
+ */
+ public function getCurrentUser() {
+ return $this->channel_name;
+ }
+
+ /**
+ * @brief Sets the timezone from the channel in RedBasicAuth.
+ *
+ * Set in mod/cloud.php if the channel has a timezone set.
+ *
+ * @param string $timezone
+ * The channel's timezone.
+ * @return void
+ */
+ public function setTimezone($timezone) {
+ $this->timezone = $timezone;
+ }
+ /**
+ * @brief Returns the timezone.
+ *
+ * @return string
+ * Return the channel's timezone.
+ */
+ public function getTimezone() {
+ return $this->timezone;
+ }
+
+ /**
+ * @brief Set browser plugin for SabreDAV.
+ *
+ * @see RedBrowser::set_writeable()
+ * @param DAV\Browser\Plugin $browser
+ */
+ public function setBrowserPlugin($browser) {
+ $this->browser = $browser;
+ }
+
+ /**
+ * Prints out all RedBasicAuth variables to logger().
+ *
+ * @return void
+ */
+ public function log() {
+ logger('dav: auth: channel_name ' . $this->channel_name, LOGGER_DATA);
+ logger('dav: auth: channel_id ' . $this->channel_id, LOGGER_DATA);
+ logger('dav: auth: channel_hash ' . $this->channel_hash, LOGGER_DATA);
+ logger('dav: auth: observer ' . $this->observer, LOGGER_DATA);
+ logger('dav: auth: owner_id ' . $this->owner_id, LOGGER_DATA);
+ logger('dav: auth: owner_nick ' . $this->owner_nick, LOGGER_DATA);
+ }
+} \ No newline at end of file
diff --git a/include/RedDAV/RedBrowser.php b/include/RedDAV/RedBrowser.php
index 6639250ae..1f2550ac1 100644
--- a/include/RedDAV/RedBrowser.php
+++ b/include/RedDAV/RedBrowser.php
@@ -1,10 +1,4 @@
<?php
-/**
- * RedMatrix - "The Network"
- *
- * @link http://github.com/friendica/red
- * @license http://opensource.org/licenses/mit-license.php The MIT License (MIT)
- */
namespace RedMatrix\RedDAV;
@@ -17,6 +11,9 @@ use Sabre\DAV;
* for the webbrowser.
*
* @extends \Sabre\DAV\Browser\Plugin
+ *
+ * @link http://github.com/friendica/red
+ * @license http://opensource.org/licenses/mit-license.php The MIT License (MIT)
*/
class RedBrowser extends DAV\Browser\Plugin {
@@ -33,6 +30,8 @@ class RedBrowser extends DAV\Browser\Plugin {
* $enablePost will be activated through set_writeable() in a later stage.
* At the moment the write_storage permission is only valid for the whole
* folder. No file specific permissions yet.
+ * @todo disable enablePost by default and only activate if permissions
+ * grant edit rights.
*
* Disable assets with $enableAssets = false. Should get some thumbnail views
* anyway.
@@ -52,7 +51,11 @@ class RedBrowser extends DAV\Browser\Plugin {
* call the following function to decide whether or not to show web elements
* which include writeable objects.
*
- * @todo Maybe this can be solved with some $server->subscribeEvent()?
+ * @fixme It only disable/enable the visible parts. Not the POST handler
+ * which handels the actual requests when uploading files or creating folders.
+ *
+ * @todo Maybe this whole way of doing this can be solved with some
+ * $server->subscribeEvent().
*/
public function set_writeable() {
if (! $this->auth->owner_id) {
diff --git a/include/RedDAV/RedDirectory.php b/include/RedDAV/RedDirectory.php
new file mode 100644
index 000000000..72b0fe789
--- /dev/null
+++ b/include/RedDAV/RedDirectory.php
@@ -0,0 +1,461 @@
+<?php
+
+namespace RedMatrix\RedDAV;
+
+use Sabre\DAV;
+
+/**
+ * @brief RedDirectory class.
+ *
+ * A class that represents a directory.
+ *
+ * @extends \Sabre\DAV\Node
+ * @implements \Sabre\DAV\ICollection
+ * @implements \Sabre\DAV\IQuota
+ *
+ * @link http://github.com/friendica/red
+ * @license http://opensource.org/licenses/mit-license.php The MIT License (MIT)
+ */
+class RedDirectory extends DAV\Node implements DAV\ICollection, DAV\IQuota {
+
+ /**
+ * @brief The path inside /cloud
+ *
+ * @var string
+ */
+ private $red_path;
+ private $folder_hash;
+ /**
+ * @brief The full path as seen in the browser.
+ * /cloud + $red_path
+ * @todo I think this is not used anywhere, we always strip '/cloud' and only use it in debug
+ * @var string
+ */
+ private $ext_path;
+ private $root_dir = '';
+ private $auth;
+ /**
+ * @brief The real path on the filesystem.
+ * The actual path in store/ with the hashed names.
+ *
+ * @var string
+ */
+ private $os_path = '';
+
+ /**
+ * @brief Sets up the directory node, expects a full path.
+ *
+ * @param string $ext_path a full path
+ * @param RedBasicAuth &$auth_plugin
+ */
+ public function __construct($ext_path, &$auth_plugin) {
+ logger('RedDirectory::__construct() ' . $ext_path, LOGGER_DATA);
+ $this->ext_path = $ext_path;
+ // remove "/cloud" from the beginning of the path
+ $this->red_path = ((strpos($ext_path, '/cloud') === 0) ? substr($ext_path, 6) : $ext_path);
+ if (! $this->red_path) {
+ $this->red_path = '/';
+ }
+ $this->auth = $auth_plugin;
+ $this->folder_hash = '';
+ $this->getDir();
+
+ if ($this->auth->browser) {
+ $this->auth->browser->set_writeable();
+ }
+ }
+
+ private function log() {
+ logger('RedDirectory::log() ext_path ' . $this->ext_path, LOGGER_DATA);
+ logger('RedDirectory::log() os_path ' . $this->os_path, LOGGER_DATA);
+ logger('RedDirectory::log() red_path ' . $this->red_path, LOGGER_DATA);
+ }
+
+ /**
+ * @brief Returns an array with all the child nodes.
+ *
+ * @throws DAV\Exception\Forbidden
+ * @return array DAV\INode[]
+ */
+ public function getChildren() {
+ logger('RedDirectory::getChildren() called for ' . $this->ext_path, LOGGER_DATA);
+ $this->log();
+
+ if (get_config('system', 'block_public') && (! $this->auth->channel_id) && (! $this->auth->observer)) {
+ throw new DAV\Exception\Forbidden('Permission denied.');
+ }
+
+ if (($this->auth->owner_id) && (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'view_storage'))) {
+ throw new DAV\Exception\Forbidden('Permission denied.');
+ }
+
+ $contents = RedCollectionData($this->red_path, $this->auth);
+ return $contents;
+ }
+
+ /**
+ * @brief Returns a child by name.
+ *
+ *
+ * @throw DAV\Exception\Forbidden
+ * @throw DAV\Exception\NotFound
+ * @param string $name
+ */
+ public function getChild($name) {
+ logger('RedDirectory::getChild(): ' . $name, LOGGER_DATA);
+
+ if (get_config('system', 'block_public') && (! $this->auth->channel_id) && (! $this->auth->observer)) {
+ throw new DAV\Exception\Forbidden('Permission denied.');
+ }
+
+ if (($this->auth->owner_id) && (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'view_storage'))) {
+ throw new DAV\Exception\Forbidden('Permission denied.');
+ }
+
+ if ($this->red_path === '/' && $name === 'cloud') {
+ return new RedDirectory('/cloud', $this->auth);
+ }
+
+ $x = RedFileData($this->ext_path . '/' . $name, $this->auth);
+ if ($x) {
+ return $x;
+ }
+
+ throw new DAV\Exception\NotFound('The file with name: ' . $name . ' could not be found.');
+ }
+
+ /**
+ * @brief Returns the name of the directory.
+ *
+ * @return string
+ */
+ public function getName() {
+ logger('RedDirectory::getName() returns: ' . basename($this->red_path), LOGGER_DATA);
+ return (basename($this->red_path));
+ }
+
+ /**
+ * @brief Renames the directory.
+ *
+ * @todo handle duplicate directory name
+ *
+ * @throw DAV\Exception\Forbidden
+ * @param string $name The new name of the directory.
+ * @return void
+ */
+ public function setName($name) {
+ logger('RedDirectory::setName(): ' . basename($this->red_path) . ' -> ' . $name, LOGGER_DATA);
+
+ if ((! $name) || (! $this->auth->owner_id)) {
+ logger('RedDirectory::setName(): permission denied');
+ throw new DAV\Exception\Forbidden('Permission denied.');
+ }
+
+ if (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'write_storage')) {
+ logger('RedDirectory::setName(): permission denied');
+ throw new DAV\Exception\Forbidden('Permission denied.');
+ }
+
+ list($parent_path, ) = DAV\URLUtil::splitPath($this->red_path);
+ $new_path = $parent_path . '/' . $name;
+
+ $r = q("UPDATE attach SET filename = '%s' WHERE hash = '%s' AND uid = %d LIMIT 1",
+ dbesc($name),
+ dbesc($this->folder_hash),
+ intval($this->auth->owner_id)
+ );
+
+ $this->red_path = $new_path;
+ }
+
+ /**
+ * @brief Creates a new file in the directory.
+ *
+ * Data will either be supplied as a stream resource, or in certain cases
+ * as a string. Keep in mind that you may have to support either.
+ *
+ * After successful creation of the file, you may choose to return the ETag
+ * of the new file here.
+ *
+ * @throws DAV\Exception\Forbidden
+ * @param string $name Name of the file
+ * @param resource|string $data Initial payload
+ * @return null|string ETag
+ */
+ public function createFile($name, $data = null) {
+ logger('RedDirectory::createFile(): ' . $name, LOGGER_DATA);
+
+ if (! $this->auth->owner_id) {
+ logger('RedDirectory::createFile(): permission denied');
+ throw new DAV\Exception\Forbidden('Permission denied.');
+ }
+
+ if (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'write_storage')) {
+ logger('RedDirectory::createFile(): permission denied');
+ throw new DAV\Exception\Forbidden('Permission denied.');
+ }
+
+ $mimetype = z_mime_content_type($name);
+
+ $c = q("SELECT * FROM channel WHERE channel_id = %d AND NOT (channel_pageflags & %d) LIMIT 1",
+ intval($this->auth->owner_id),
+ intval(PAGE_REMOVED)
+ );
+
+ if (! $c) {
+ logger('RedDirectory::createFile(): no channel');
+ throw new DAV\Exception\Forbidden('Permission denied.');
+ }
+
+ $filesize = 0;
+ $hash = random_string();
+
+ $r = q("INSERT INTO attach ( aid, uid, hash, creator, filename, folder, flags, filetype, filesize, revision, data, created, edited, allow_cid, allow_gid, deny_cid, deny_gid )
+ VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s' ) ",
+ intval($c[0]['channel_account_id']),
+ intval($c[0]['channel_id']),
+ dbesc($hash),
+ dbesc($this->auth->observer),
+ dbesc($name),
+ dbesc($this->folder_hash),
+ dbesc(ATTACH_FLAG_OS),
+ dbesc($mimetype),
+ intval($filesize),
+ intval(0),
+ dbesc($this->os_path . '/' . $hash),
+ dbesc(datetime_convert()),
+ dbesc(datetime_convert()),
+ dbesc($c[0]['channel_allow_cid']),
+ dbesc($c[0]['channel_allow_gid']),
+ dbesc($c[0]['channel_deny_cid']),
+ dbesc($c[0]['channel_deny_gid'])
+ );
+
+ $f = 'store/' . $this->auth->owner_nick . '/' . (($this->os_path) ? $this->os_path . '/' : '') . $hash;
+
+ // returns the number of bytes that were written to the file, or FALSE on failure
+ $size = file_put_contents($f, $data);
+ // delete attach entry if file_put_contents() failed
+ if ($size === false) {
+ logger('RedDirectory::createFile(): file_put_contents() failed for ' . $name, LOGGER_DEBUG);
+ attach_delete($c[0]['channel_id'], $hash);
+ return;
+ }
+
+ // returns now
+ $edited = datetime_convert();
+
+ // updates entry with filesize and timestamp
+ $d = q("UPDATE attach SET filesize = '%s', edited = '%s' WHERE hash = '%s' AND uid = %d LIMIT 1",
+ dbesc($size),
+ dbesc($edited),
+ dbesc($hash),
+ intval($c[0]['channel_id'])
+ );
+
+ // update the folder's lastmodified timestamp
+ $e = q("UPDATE attach SET edited = '%s' WHERE hash = '%s' AND uid = %d LIMIT 1",
+ dbesc($edited),
+ dbesc($this->folder_hash),
+ intval($c[0]['channel_id'])
+ );
+
+ $maxfilesize = get_config('system', 'maxfilesize');
+ if (($maxfilesize) && ($size > $maxfilesize)) {
+ attach_delete($c[0]['channel_id'], $hash);
+ return;
+ }
+
+ // check against service class quota
+ $limit = service_class_fetch($c[0]['channel_id'], 'attach_upload_limit');
+ if ($limit !== false) {
+ $x = q("SELECT SUM(filesize) AS total FROM attach WHERE aid = %d ",
+ intval($c[0]['channel_account_id'])
+ );
+ if (($x) && ($x[0]['total'] + $size > $limit)) {
+ logger('reddav: service class limit exceeded for ' . $c[0]['channel_name'] . ' total usage is ' . $x[0]['total'] . ' limit is ' . $limit);
+ attach_delete($c[0]['channel_id'], $hash);
+ return;
+ }
+ }
+ }
+
+ /**
+ * @brief Creates a new subdirectory.
+ *
+ * @param string $name the directory to create
+ * @return void
+ */
+ public function createDirectory($name) {
+ logger('RedDirectory::createDirectory(): ' . $name, LOGGER_DEBUG);
+
+ if ((! $this->auth->owner_id) || (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'write_storage'))) {
+ throw new DAV\Exception\Forbidden('Permission denied.');
+ }
+
+ $r = q("SELECT * FROM channel WHERE channel_id = %d AND NOT (channel_pageflags & %d) LIMIT 1",
+ intval($this->auth->owner_id),
+ intval(PAGE_REMOVED)
+ );
+
+ if ($r) {
+ $result = attach_mkdir($r[0], $this->auth->observer, array('filename' => $name, 'folder' => $this->folder_hash));
+ if (! $result['success']) {
+ logger('RedDirectory::createDirectory(): ' . print_r($result, true), LOGGER_DEBUG);
+ }
+ }
+ }
+
+ /**
+ * @brief Checks if a child exists.
+ *
+ * @param string $name
+ * @return boolean
+ */
+ public function childExists($name) {
+ // On /cloud we show a list of available channels.
+ // @todo what happens if no channels are available?
+ if ($this->red_path === '/' && $name === 'cloud') {
+ logger('RedDirectory::childExists() /cloud: true', LOGGER_DATA);
+ return true;
+ }
+
+ $x = RedFileData($this->ext_path . '/' . $name, $this->auth, true);
+ logger('RedFileData returns: ' . print_r($x, true), LOGGER_DATA);
+ if ($x)
+ return true;
+ return false;
+ }
+
+ /**
+ * @todo add description of what this function does.
+ *
+ * @throw DAV\Exception\NotFound
+ * @return void
+ */
+ function getDir() {
+ logger('RedDirectory::getDir(): ' . $this->ext_path, LOGGER_DEBUG);
+ $this->auth->log();
+
+ $file = $this->ext_path;
+
+ $x = strpos($file, '/cloud');
+ if ($x === false)
+ return;
+ if ($x === 0) {
+ $file = substr($file, 6);
+ }
+
+ if ((! $file) || ($file === '/')) {
+ return;
+ }
+
+ $file = trim($file, '/');
+ $path_arr = explode('/', $file);
+
+ if (! $path_arr)
+ return;
+
+ logger('RedDirectory::getDir(): path: ' . print_r($path_arr, true), LOGGER_DATA);
+
+ $channel_name = $path_arr[0];
+
+ $r = q("SELECT channel_id FROM channel WHERE channel_address = '%s' AND NOT ( channel_pageflags & %d ) LIMIT 1",
+ dbesc($channel_name),
+ intval(PAGE_REMOVED)
+ );
+
+ if (! $r) {
+ throw new DAV\Exception\NotFound('The file with name: ' . $channel_name . ' could not be found.');
+ return;
+ }
+
+ $channel_id = $r[0]['channel_id'];
+ $this->auth->owner_id = $channel_id;
+ $this->auth->owner_nick = $channel_name;
+
+ $path = '/' . $channel_name;
+ $folder = '';
+ $os_path = '';
+
+ for ($x = 1; $x < count($path_arr); $x++) {
+ $r = q("select id, hash, filename, flags from attach where folder = '%s' and filename = '%s' and uid = %d and (flags & %d)",
+ dbesc($folder),
+ dbesc($path_arr[$x]),
+ intval($channel_id),
+ intval(ATTACH_FLAG_DIR)
+ );
+
+ if ($r && ( $r[0]['flags'] & ATTACH_FLAG_DIR)) {
+ $folder = $r[0]['hash'];
+ if (strlen($os_path))
+ $os_path .= '/';
+ $os_path .= $folder;
+
+ $path = $path . '/' . $r[0]['filename'];
+ }
+ }
+ $this->folder_hash = $folder;
+ $this->os_path = $os_path;
+ return;
+ }
+
+ /**
+ * @brief Returns the last modification time for the directory, as a UNIX
+ * timestamp.
+ *
+ * It looks for the last edited file in the folder. If it is an empty folder
+ * it returns the lastmodified time of the folder itself, to prevent zero
+ * timestamps.
+ *
+ * @return int last modification time in UNIX timestamp
+ */
+ public function getLastModified() {
+ $r = q("SELECT edited FROM attach WHERE folder = '%s' AND uid = %d ORDER BY edited DESC LIMIT 1",
+ dbesc($this->folder_hash),
+ intval($this->auth->owner_id)
+ );
+ if (! $r) {
+ $r = q("SELECT edited FROM attach WHERE hash = '%s' AND uid = %d LIMIT 1",
+ dbesc($this->folder_hash),
+ intval($this->auth->owner_id)
+ );
+ if (! $r)
+ return '';
+ }
+ return datetime_convert('UTC', 'UTC', $r[0]['edited'], 'U');
+ }
+
+ /**
+ * @brief Return quota usage.
+ *
+ * Do guests relly see the used/free values from filesystem of the complete store directory?
+ *
+ * @return array with used and free values in bytes.
+ */
+ public function getQuotaInfo() {
+ // values from the filesystem of the complete <i>store/</i> directory
+ $limit = disk_total_space('store');
+ $free = disk_free_space('store');
+
+ if ($this->auth->owner_id) {
+ $c = q("select * from channel where channel_id = %d and not (channel_pageflags & %d) limit 1",
+ intval($this->auth->owner_id),
+ intval(PAGE_REMOVED)
+ );
+
+ $ulimit = service_class_fetch($c[0]['channel_id'], 'attach_upload_limit');
+ $limit = (($ulimit) ? $ulimit : $limit);
+
+ $x = q("select sum(filesize) as total from attach where aid = %d",
+ intval($c[0]['channel_account_id'])
+ );
+ $free = (($x) ? $limit - $x[0]['total'] : 0);
+ }
+
+ return array(
+ $limit - $free,
+ $free
+ );
+ }
+} \ No newline at end of file
diff --git a/include/RedDAV/RedFile.php b/include/RedDAV/RedFile.php
new file mode 100644
index 000000000..32dbc17e5
--- /dev/null
+++ b/include/RedDAV/RedFile.php
@@ -0,0 +1,275 @@
+<?php
+
+namespace RedMatrix\RedDAV;
+
+use Sabre\DAV;
+
+/**
+ * @brief This class represents a file in DAV.
+ *
+ * It provides all functions to work with files in Red's cloud through DAV protocol.
+ *
+ * @extends \Sabre\DAV\Node
+ * @implements \Sabre\DAV\IFile
+ *
+ * @link http://github.com/friendica/red
+ * @license http://opensource.org/licenses/mit-license.php The MIT License (MIT)
+ */
+class RedFile extends DAV\Node implements DAV\IFile {
+
+ /**
+ * The file from attach table.
+ *
+ * @var array
+ * data
+ * flags
+ * filename (string)
+ * filetype (string)
+ */
+ private $data;
+ /**
+ * @see \Sabre\DAV\Auth\Backend\BackendInterface
+ * @var \RedMatrix\RedDAV\RedBasicAuth
+ */
+ private $auth;
+ /**
+ * @var string
+ */
+ private $name;
+
+ /**
+ * Sets up the node, expects a full path name.
+ *
+ * @param string $name
+ * @param array $data from attach table
+ * @param &$auth
+ */
+ public function __construct($name, $data, &$auth) {
+ $this->name = $name;
+ $this->data = $data;
+ $this->auth = $auth;
+
+ logger('RedFile::__construct(): ' . print_r($this->data, true), LOGGER_DATA);
+ }
+
+ /**
+ * @brief Returns the name of the file.
+ *
+ * @return string
+ */
+ public function getName() {
+ logger('RedFile::getName(): ' . basename($this->name), LOGGER_DEBUG);
+ return basename($this->name);
+ }
+
+ /**
+ * @brief Renames the file.
+ *
+ * @throw Sabre\DAV\Exception\Forbidden
+ * @param string $name The new name of the file.
+ * @return void
+ */
+ public function setName($newName) {
+ logger('RedFile::setName(): ' . basename($this->name) . ' -> ' . $newName, LOGGER_DEBUG);
+
+ if ((! $newName) || (! $this->auth->owner_id) || (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'write_storage'))) {
+ throw new DAV\Exception\Forbidden('Permission denied.');
+ }
+
+ $newName = str_replace('/', '%2F', $newName);
+
+ $r = q("UPDATE attach SET filename = '%s' WHERE hash = '%s' AND id = %d LIMIT 1",
+ dbesc($this->data['filename']),
+ intval($this->data['id'])
+ );
+ }
+
+ /**
+ * @brief Updates the data of the file.
+ *
+ * @param resource $data
+ * @return void
+ */
+ public function put($data) {
+ logger('RedFile::put(): ' . basename($this->name), LOGGER_DEBUG);
+ $size = 0;
+
+ // @todo only 3 values are needed
+ $c = q("SELECT * FROM channel WHERE channel_id = %d AND NOT (channel_pageflags & %d) LIMIT 1",
+ intval($this->auth->owner_id),
+ intval(PAGE_REMOVED)
+ );
+
+ $r = q("SELECT flags, folder, data FROM attach WHERE hash = '%s' AND uid = %d LIMIT 1",
+ dbesc($this->data['hash']),
+ intval($c[0]['channel_id'])
+ );
+ if ($r) {
+ if ($r[0]['flags'] & ATTACH_FLAG_OS) {
+ $f = 'store/' . $this->auth->owner_nick . '/' . (($r[0]['data']) ? $r[0]['data'] : '');
+ // @todo check return value and set $size directly
+ @file_put_contents($f, $data);
+ $size = @filesize($f);
+ logger('RedFile::put(): filename: ' . $f . ' size: ' . $size, LOGGER_DEBUG);
+ } else {
+ $r = q("UPDATE attach SET data = '%s' WHERE hash = '%s' AND uid = %d LIMIT 1",
+ dbesc(stream_get_contents($data)),
+ dbesc($this->data['hash']),
+ intval($this->data['uid'])
+ );
+ $r = q("SELECT length(data) AS fsize FROM attach WHERE hash = '%s' AND uid = %d LIMIT 1",
+ dbesc($this->data['hash']),
+ intval($this->data['uid'])
+ );
+ if ($r) {
+ $size = $r[0]['fsize'];
+ }
+ }
+ }
+
+ // returns now()
+ $edited = datetime_convert();
+
+ $d = q("UPDATE attach SET filesize = '%s', edited = '%s' WHERE hash = '%s' AND uid = %d LIMIT 1",
+ dbesc($size),
+ dbesc($edited),
+ dbesc($this->data['hash']),
+ intval($c[0]['channel_id'])
+ );
+
+ // update the folder's lastmodified timestamp
+ $e = q("UPDATE attach SET edited = '%s' WHERE hash = '%s' AND uid = %d LIMIT 1",
+ dbesc($edited),
+ dbesc($r[0]['folder']),
+ intval($c[0]['channel_id'])
+ );
+
+ // @todo do we really want to remove the whole file if an update fails
+ // because of maxfilesize or quota?
+ // There is an Exception "InsufficientStorage" or "PaymentRequired" for
+ // our service class from SabreDAV we could use.
+
+ $maxfilesize = get_config('system', 'maxfilesize');
+ if (($maxfilesize) && ($size > $maxfilesize)) {
+ attach_delete($c[0]['channel_id'], $this->data['hash']);
+ return;
+ }
+
+ $limit = service_class_fetch($c[0]['channel_id'], 'attach_upload_limit');
+ if ($limit !== false) {
+ $x = q("select sum(filesize) as total from attach where aid = %d ",
+ intval($c[0]['channel_account_id'])
+ );
+ if (($x) && ($x[0]['total'] + $size > $limit)) {
+ logger('RedFile::put(): service class limit exceeded for ' . $c[0]['channel_name'] . ' total usage is ' . $x[0]['total'] . ' limit is ' . $limit);
+ attach_delete($c[0]['channel_id'], $this->data['hash']);
+ return;
+ }
+ }
+ }
+
+ /**
+ * @brief Returns the raw data.
+ *
+ * @return string
+ */
+ public function get() {
+ logger('RedFile::get(): ' . basename($this->name), LOGGER_DEBUG);
+
+ $r = q("SELECT data, flags, filename, filetype FROM attach WHERE hash = '%s' AND uid = %d LIMIT 1",
+ dbesc($this->data['hash']),
+ intval($this->data['uid'])
+ );
+ if ($r) {
+ // @todo this should be a global definition
+ $unsafe_types = array('text/html', 'text/css', 'application/javascript');
+
+ if (in_array($r[0]['filetype'], $unsafe_types)) {
+ header('Content-disposition: attachment; filename="' . $r[0]['filename'] . '"');
+ header('Content-type: text/plain');
+ }
+
+ if ($r[0]['flags'] & ATTACH_FLAG_OS ) {
+ $f = 'store/' . $this->auth->owner_nick . '/' . (($this->os_path) ? $this->os_path . '/' : '') . $r[0]['data'];
+ return fopen($f, 'rb');
+ }
+ return $r[0]['data'];
+ }
+ }
+
+ /**
+ * @brief Returns the ETag for a file.
+ *
+ * An ETag is a unique identifier representing the current version of the file.
+ * If the file changes, the ETag MUST change.
+ * The ETag is an arbitrary string, but MUST be surrounded by double-quotes.
+ *
+ * Return null if the ETag can not effectively be determined.
+ *
+ * @return mixed
+ */
+ public function getETag() {
+ $ret = null;
+ if ($this->data['hash']) {
+ $ret = '"' . $this->data['hash'] . '"';
+ }
+ return $ret;
+ }
+
+ /**
+ * @brief Returns the mime-type for a file.
+ *
+ * If null is returned, we'll assume application/octet-stream
+ *
+ * @return mixed
+ */
+ public function getContentType() {
+ // @todo this should be a global definition.
+ $unsafe_types = array('text/html', 'text/css', 'application/javascript');
+ if (in_array($this->data['filetype'], $unsafe_types)) {
+ return 'text/plain';
+ }
+ return $this->data['filetype'];
+ }
+
+ /**
+ * @brief Returns the size of the node, in bytes.
+ *
+ * @return int
+ */
+ public function getSize() {
+ return $this->data['filesize'];
+ }
+
+ /**
+ * @brief Returns the last modification time for the file, as a unix
+ * timestamp.
+ *
+ * @return int last modification time in UNIX timestamp
+ */
+ public function getLastModified() {
+ return datetime_convert('UTC', 'UTC', $this->data['edited'], 'U');
+ }
+
+ /**
+ * @brief Delete the file.
+ *
+ * @throw Sabre\DAV\Exception\Forbidden
+ * @return void
+ */
+ public function delete() {
+ logger('RedFile::delete(): ' . basename($this->name), LOGGER_DEBUG);
+
+ if ((! $this->auth->owner_id) || (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'write_storage'))) {
+ throw new DAV\Exception\Forbidden('Permission denied.');
+ }
+
+ if ($this->auth->owner_id !== $this->auth->channel_id) {
+ if (($this->auth->observer !== $this->data['creator']) || ($this->data['flags'] & ATTACH_FLAG_DIR)) {
+ throw new DAV\Exception\Forbidden('Permission denied.');
+ }
+ }
+
+ attach_delete($this->auth->owner_id, $this->data['hash']);
+ }
+} \ No newline at end of file
diff --git a/include/reddav.php b/include/reddav.php
index 5c93daf1f..6785131c6 100644
--- a/include/reddav.php
+++ b/include/reddav.php
@@ -1,724 +1,31 @@
<?php
/**
* @file include/reddav.php
- * @brief DAV related classes from SabreDAV for Red Matrix.
+ * @brief some DAV related functions for RedMatrix.
*
- * This file contains the classes from SabreDAV that got extended to adapt it
- * for Red Matrix.
+ * This file contains some functions which did not fit into one of the RedDAV
+ * classes.
*
- * You find the original SabreDAV classes under @ref vendor/sabre/dav/.
+ * The extended SabreDAV classes you will find in the RedDAV namespace under
+ * @ref includes/RedDAV/.
+ * The original SabreDAV classes you can find under @ref vendor/sabre/dav/.
* We need to use SabreDAV 1.8.x for PHP5.3 compatibility. SabreDAV >= 2.0
* requires PHP >= 5.4.
*
* @todo split up the classes into own files.
+ *
+ * @link http://github.com/friendica/red
+ * @license http://opensource.org/licenses/mit-license.php The MIT License (MIT)
*/
use Sabre\DAV;
+use RedMatrix\RedDAV;
require_once('vendor/autoload.php');
require_once('include/attach.php');
-
-/**
- * @brief RedDirectory class.
- *
- * A class that represents a directory.
- *
- * @extends \Sabre\DAV\Node
- * @implements \Sabre\DAV\ICollection
- * @implements \Sabre\DAV\IQuota
- */
-class RedDirectory extends DAV\Node implements DAV\ICollection, DAV\IQuota {
-
- /**
- * @brief The path inside /cloud
- *
- * @var string
- */
- private $red_path;
- private $folder_hash;
- /**
- * @brief The full path as seen in the browser.
- * /cloud + $red_path
- * @todo I think this is not used anywhere, we always strip '/cloud' and only use it in debug
- * @var string
- */
- private $ext_path;
- private $root_dir = '';
- private $auth;
- /**
- * @brief The real path on the filesystem.
- * The actual path in store/ with the hashed names.
- *
- * @var string
- */
- private $os_path = '';
-
- /**
- * @brief Sets up the directory node, expects a full path.
- *
- * @param string $ext_path a full path
- * @param RedBasicAuth &$auth_plugin
- */
- public function __construct($ext_path, &$auth_plugin) {
- logger('RedDirectory::__construct() ' . $ext_path, LOGGER_DATA);
- $this->ext_path = $ext_path;
- // remove "/cloud" from the beginning of the path
- $this->red_path = ((strpos($ext_path, '/cloud') === 0) ? substr($ext_path, 6) : $ext_path);
- if (! $this->red_path) {
- $this->red_path = '/';
- }
- $this->auth = $auth_plugin;
- $this->folder_hash = '';
- $this->getDir();
-
- if ($this->auth->browser) {
- $this->auth->browser->set_writeable();
- }
- }
-
- private function log() {
- logger('RedDirectory::log() ext_path ' . $this->ext_path, LOGGER_DATA);
- logger('RedDirectory::log() os_path ' . $this->os_path, LOGGER_DATA);
- logger('RedDirectory::log() red_path ' . $this->red_path, LOGGER_DATA);
- }
-
- /**
- * @brief Returns an array with all the child nodes.
- *
- * @throws DAV\Exception\Forbidden
- * @return array DAV\INode[]
- */
- public function getChildren() {
- logger('RedDirectory::getChildren() called for ' . $this->ext_path, LOGGER_DATA);
- $this->log();
-
- if (get_config('system', 'block_public') && (! $this->auth->channel_id) && (! $this->auth->observer)) {
- throw new DAV\Exception\Forbidden('Permission denied.');
- }
-
- if (($this->auth->owner_id) && (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'view_storage'))) {
- throw new DAV\Exception\Forbidden('Permission denied.');
- }
-
- $contents = RedCollectionData($this->red_path, $this->auth);
- return $contents;
- }
-
- /**
- * @brief Returns a child by name.
- *
- *
- * @throw DAV\Exception\Forbidden
- * @throw DAV\Exception\NotFound
- * @param string $name
- */
- public function getChild($name) {
- logger('RedDirectory::getChild(): ' . $name, LOGGER_DATA);
-
- if (get_config('system', 'block_public') && (! $this->auth->channel_id) && (! $this->auth->observer)) {
- throw new DAV\Exception\Forbidden('Permission denied.');
- }
-
- if (($this->auth->owner_id) && (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'view_storage'))) {
- throw new DAV\Exception\Forbidden('Permission denied.');
- }
-
- if ($this->red_path === '/' && $name === 'cloud') {
- return new RedDirectory('/cloud', $this->auth);
- }
-
- $x = RedFileData($this->ext_path . '/' . $name, $this->auth);
- if ($x) {
- return $x;
- }
-
- throw new DAV\Exception\NotFound('The file with name: ' . $name . ' could not be found.');
- }
-
- /**
- * @brief Returns the name of the directory.
- *
- * @return string
- */
- public function getName() {
- logger('RedDirectory::getName() returns: ' . basename($this->red_path), LOGGER_DATA);
- return (basename($this->red_path));
- }
-
- /**
- * @brief Renames the directory.
- *
- * @todo handle duplicate directory name
- *
- * @throw DAV\Exception\Forbidden
- * @param string $name The new name of the directory.
- * @return void
- */
- public function setName($name) {
- logger('RedDirectory::setName(): ' . basename($this->red_path) . ' -> ' . $name, LOGGER_DATA);
-
- if ((! $name) || (! $this->auth->owner_id)) {
- logger('RedDirectory::setName(): permission denied');
- throw new DAV\Exception\Forbidden('Permission denied.');
- }
-
- if (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'write_storage')) {
- logger('RedDirectory::setName(): permission denied');
- throw new DAV\Exception\Forbidden('Permission denied.');
- }
-
- list($parent_path, ) = DAV\URLUtil::splitPath($this->red_path);
- $new_path = $parent_path . '/' . $name;
-
- $r = q("UPDATE attach SET filename = '%s' WHERE hash = '%s' AND uid = %d LIMIT 1",
- dbesc($name),
- dbesc($this->folder_hash),
- intval($this->auth->owner_id)
- );
-
- $this->red_path = $new_path;
- }
-
- /**
- * @brief Creates a new file in the directory.
- *
- * Data will either be supplied as a stream resource, or in certain cases
- * as a string. Keep in mind that you may have to support either.
- *
- * After successful creation of the file, you may choose to return the ETag
- * of the new file here.
- *
- * @throws DAV\Exception\Forbidden
- * @param string $name Name of the file
- * @param resource|string $data Initial payload
- * @return null|string ETag
- */
- public function createFile($name, $data = null) {
- logger('RedDirectory::createFile(): ' . $name, LOGGER_DATA);
-
- if (! $this->auth->owner_id) {
- logger('RedDirectory::createFile(): permission denied');
- throw new DAV\Exception\Forbidden('Permission denied.');
- }
-
- if (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'write_storage')) {
- logger('RedDirectory::createFile(): permission denied');
- throw new DAV\Exception\Forbidden('Permission denied.');
- }
-
- $mimetype = z_mime_content_type($name);
-
- $c = q("SELECT * FROM channel WHERE channel_id = %d AND NOT (channel_pageflags & %d) LIMIT 1",
- intval($this->auth->owner_id),
- intval(PAGE_REMOVED)
- );
-
- if (! $c) {
- logger('RedDirectory::createFile(): no channel');
- throw new DAV\Exception\Forbidden('Permission denied.');
- }
-
- $filesize = 0;
- $hash = random_string();
-
- $r = q("INSERT INTO attach ( aid, uid, hash, creator, filename, folder, flags, filetype, filesize, revision, data, created, edited, allow_cid, allow_gid, deny_cid, deny_gid )
- VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s' ) ",
- intval($c[0]['channel_account_id']),
- intval($c[0]['channel_id']),
- dbesc($hash),
- dbesc($this->auth->observer),
- dbesc($name),
- dbesc($this->folder_hash),
- dbesc(ATTACH_FLAG_OS),
- dbesc($mimetype),
- intval($filesize),
- intval(0),
- dbesc($this->os_path . '/' . $hash),
- dbesc(datetime_convert()),
- dbesc(datetime_convert()),
- dbesc($c[0]['channel_allow_cid']),
- dbesc($c[0]['channel_allow_gid']),
- dbesc($c[0]['channel_deny_cid']),
- dbesc($c[0]['channel_deny_gid'])
- );
-
- $f = 'store/' . $this->auth->owner_nick . '/' . (($this->os_path) ? $this->os_path . '/' : '') . $hash;
-
- // returns the number of bytes that were written to the file, or FALSE on failure
- $size = file_put_contents($f, $data);
- // delete attach entry if file_put_contents() failed
- if ($size === false) {
- logger('RedDirectory::createFile(): file_put_contents() failed for ' . $name, LOGGER_DEBUG);
- attach_delete($c[0]['channel_id'], $hash);
- return;
- }
-
- // returns now
- $edited = datetime_convert();
-
- // updates entry with filesize and timestamp
- $d = q("UPDATE attach SET filesize = '%s', edited = '%s' WHERE hash = '%s' AND uid = %d LIMIT 1",
- dbesc($size),
- dbesc($edited),
- dbesc($hash),
- intval($c[0]['channel_id'])
- );
-
- // update the folder's lastmodified timestamp
- $e = q("UPDATE attach SET edited = '%s' WHERE hash = '%s' AND uid = %d LIMIT 1",
- dbesc($edited),
- dbesc($this->folder_hash),
- intval($c[0]['channel_id'])
- );
-
- $maxfilesize = get_config('system', 'maxfilesize');
- if (($maxfilesize) && ($size > $maxfilesize)) {
- attach_delete($c[0]['channel_id'], $hash);
- return;
- }
-
- // check against service class quota
- $limit = service_class_fetch($c[0]['channel_id'], 'attach_upload_limit');
- if ($limit !== false) {
- $x = q("SELECT SUM(filesize) AS total FROM attach WHERE aid = %d ",
- intval($c[0]['channel_account_id'])
- );
- if (($x) && ($x[0]['total'] + $size > $limit)) {
- logger('reddav: service class limit exceeded for ' . $c[0]['channel_name'] . ' total usage is ' . $x[0]['total'] . ' limit is ' . $limit);
- attach_delete($c[0]['channel_id'], $hash);
- return;
- }
- }
- }
-
- /**
- * @brief Creates a new subdirectory.
- *
- * @param string $name the directory to create
- * @return void
- */
- public function createDirectory($name) {
- logger('RedDirectory::createDirectory(): ' . $name, LOGGER_DEBUG);
-
- if ((! $this->auth->owner_id) || (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'write_storage'))) {
- throw new DAV\Exception\Forbidden('Permission denied.');
- }
-
- $r = q("SELECT * FROM channel WHERE channel_id = %d AND NOT (channel_pageflags & %d) LIMIT 1",
- intval($this->auth->owner_id),
- intval(PAGE_REMOVED)
- );
-
- if ($r) {
- $result = attach_mkdir($r[0], $this->auth->observer, array('filename' => $name, 'folder' => $this->folder_hash));
- if (! $result['success']) {
- logger('RedDirectory::createDirectory(): ' . print_r($result, true), LOGGER_DEBUG);
- }
- }
- }
-
- /**
- * @brief Checks if a child exists.
- *
- * @param string $name
- * @return boolean
- */
- public function childExists($name) {
- // On /cloud we show a list of available channels.
- // @todo what happens if no channels are available?
- if ($this->red_path === '/' && $name === 'cloud') {
- logger('RedDirectory::childExists() /cloud: true', LOGGER_DATA);
- return true;
- }
-
- $x = RedFileData($this->ext_path . '/' . $name, $this->auth, true);
- logger('RedFileData returns: ' . print_r($x, true), LOGGER_DATA);
- if ($x)
- return true;
- return false;
- }
-
- /**
- * @todo add description of what this function does.
- *
- * @throw DAV\Exception\NotFound
- * @return void
- */
- function getDir() {
- logger('RedDirectory::getDir(): ' . $this->ext_path, LOGGER_DEBUG);
- $this->auth->log();
-
- $file = $this->ext_path;
-
- $x = strpos($file, '/cloud');
- if ($x === false)
- return;
- if ($x === 0) {
- $file = substr($file, 6);
- }
-
- if ((! $file) || ($file === '/')) {
- return;
- }
-
- $file = trim($file, '/');
- $path_arr = explode('/', $file);
-
- if (! $path_arr)
- return;
-
- logger('RedDirectory::getDir(): path: ' . print_r($path_arr, true), LOGGER_DATA);
-
- $channel_name = $path_arr[0];
-
- $r = q("SELECT channel_id FROM channel WHERE channel_address = '%s' AND NOT ( channel_pageflags & %d ) LIMIT 1",
- dbesc($channel_name),
- intval(PAGE_REMOVED)
- );
-
- if (! $r) {
- throw new DAV\Exception\NotFound('The file with name: ' . $channel_name . ' could not be found.');
- return;
- }
-
- $channel_id = $r[0]['channel_id'];
- $this->auth->owner_id = $channel_id;
- $this->auth->owner_nick = $channel_name;
-
- $path = '/' . $channel_name;
- $folder = '';
- $os_path = '';
-
- for ($x = 1; $x < count($path_arr); $x++) {
- $r = q("select id, hash, filename, flags from attach where folder = '%s' and filename = '%s' and uid = %d and (flags & %d)",
- dbesc($folder),
- dbesc($path_arr[$x]),
- intval($channel_id),
- intval(ATTACH_FLAG_DIR)
- );
-
- if ($r && ( $r[0]['flags'] & ATTACH_FLAG_DIR)) {
- $folder = $r[0]['hash'];
- if (strlen($os_path))
- $os_path .= '/';
- $os_path .= $folder;
-
- $path = $path . '/' . $r[0]['filename'];
- }
- }
- $this->folder_hash = $folder;
- $this->os_path = $os_path;
- return;
- }
-
- /**
- * @brief Returns the last modification time for the directory, as a UNIX
- * timestamp.
- *
- * It looks for the last edited file in the folder. If it is an empty folder
- * it returns the lastmodified time of the folder itself, to prevent zero
- * timestamps.
- *
- * @return int last modification time in UNIX timestamp
- */
- public function getLastModified() {
- $r = q("SELECT edited FROM attach WHERE folder = '%s' AND uid = %d ORDER BY edited DESC LIMIT 1",
- dbesc($this->folder_hash),
- intval($this->auth->owner_id)
- );
- if (! $r) {
- $r = q("SELECT edited FROM attach WHERE hash = '%s' AND uid = %d LIMIT 1",
- dbesc($this->folder_hash),
- intval($this->auth->owner_id)
- );
- if (! $r)
- return '';
- }
- return datetime_convert('UTC', 'UTC', $r[0]['edited'], 'U');
- }
-
- /**
- * @brief Return quota usage.
- *
- * Do guests relly see the used/free values from filesystem of the complete store directory?
- *
- * @return array with used and free values in bytes.
- */
- public function getQuotaInfo() {
- // values from the filesystem of the complete <i>store/</i> directory
- $limit = disk_total_space('store');
- $free = disk_free_space('store');
-
- if ($this->auth->owner_id) {
- $c = q("select * from channel where channel_id = %d and not (channel_pageflags & %d) limit 1",
- intval($this->auth->owner_id),
- intval(PAGE_REMOVED)
- );
-
- $ulimit = service_class_fetch($c[0]['channel_id'], 'attach_upload_limit');
- $limit = (($ulimit) ? $ulimit : $limit);
-
- $x = q("select sum(filesize) as total from attach where aid = %d",
- intval($c[0]['channel_account_id'])
- );
- $free = (($x) ? $limit - $x[0]['total'] : 0);
- }
-
- return array(
- $limit - $free,
- $free
- );
- }
-} // class RedDirectory
-
-
-
-/**
- * RedFile class.
- *
- */
-class RedFile extends DAV\Node implements DAV\IFile {
-
- private $data;
- private $auth;
- private $name;
-
- /**
- * Sets up the node, expects a full path name.
- *
- * @param string $name
- * @param array $data from attach table
- * @param &$auth
- */
- public function __construct($name, $data, &$auth) {
- $this->name = $name;
- $this->data = $data;
- $this->auth = $auth;
-
- logger('RedFile::__construct(): ' . print_r($this->data, true), LOGGER_DATA);
- }
-
- /**
- * @brief Returns the name of the file.
- *
- * @return string
- */
- public function getName() {
- logger('RedFile::getName(): ' . basename($this->name), LOGGER_DEBUG);
- return basename($this->name);
- }
-
- /**
- * @brief Renames the file.
- *
- * @throw DAV\Exception\Forbidden
- * @param string $name The new name of the file.
- * @return void
- */
- public function setName($newName) {
- logger('RedFile::setName(): ' . basename($this->name) . ' -> ' . $newName, LOGGER_DEBUG);
-
- if ((! $newName) || (! $this->auth->owner_id) || (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'write_storage'))) {
- throw new DAV\Exception\Forbidden('Permission denied.');
- }
-
- $newName = str_replace('/', '%2F', $newName);
-
- $r = q("UPDATE attach SET filename = '%s' WHERE hash = '%s' AND id = %d LIMIT 1",
- dbesc($this->data['filename']),
- intval($this->data['id'])
- );
- }
-
- /**
- * @brief Updates the data of the file.
- *
- * @param resource $data
- * @return void
- */
- public function put($data) {
- logger('RedFile::put(): ' . basename($this->name), LOGGER_DEBUG);
- $size = 0;
-
- // @todo only 3 values are needed
- $c = q("SELECT * FROM channel WHERE channel_id = %d AND NOT (channel_pageflags & %d) LIMIT 1",
- intval($this->auth->owner_id),
- intval(PAGE_REMOVED)
- );
-
- $r = q("SELECT flags, folder, data FROM attach WHERE hash = '%s' AND uid = %d LIMIT 1",
- dbesc($this->data['hash']),
- intval($c[0]['channel_id'])
- );
- if ($r) {
- if ($r[0]['flags'] & ATTACH_FLAG_OS) {
- $f = 'store/' . $this->auth->owner_nick . '/' . (($r[0]['data']) ? $r[0]['data'] : '');
- // @todo check return value and set $size directly
- @file_put_contents($f, $data);
- $size = @filesize($f);
- logger('RedFile::put(): filename: ' . $f . ' size: ' . $size, LOGGER_DEBUG);
- } else {
- $r = q("UPDATE attach SET data = '%s' WHERE hash = '%s' AND uid = %d LIMIT 1",
- dbesc(stream_get_contents($data)),
- dbesc($this->data['hash']),
- intval($this->data['uid'])
- );
- $r = q("SELECT length(data) AS fsize FROM attach WHERE hash = '%s' AND uid = %d LIMIT 1",
- dbesc($this->data['hash']),
- intval($this->data['uid'])
- );
- if ($r) {
- $size = $r[0]['fsize'];
- }
- }
- }
-
- // returns now()
- $edited = datetime_convert();
-
- $d = q("UPDATE attach SET filesize = '%s', edited = '%s' WHERE hash = '%s' AND uid = %d LIMIT 1",
- dbesc($size),
- dbesc($edited),
- dbesc($this->data['hash']),
- intval($c[0]['channel_id'])
- );
-
- // update the folder's lastmodified timestamp
- $e = q("UPDATE attach SET edited = '%s' WHERE hash = '%s' AND uid = %d LIMIT 1",
- dbesc($edited),
- dbesc($r[0]['folder']),
- intval($c[0]['channel_id'])
- );
-
- // @todo do we really want to remove the whole file if an update fails
- // because of maxfilesize or quota?
- // There is an Exception "InsufficientStorage" or "PaymentRequired" for
- // our service class from SabreDAV we could use.
-
- $maxfilesize = get_config('system', 'maxfilesize');
- if (($maxfilesize) && ($size > $maxfilesize)) {
- attach_delete($c[0]['channel_id'], $this->data['hash']);
- return;
- }
-
- $limit = service_class_fetch($c[0]['channel_id'], 'attach_upload_limit');
- if ($limit !== false) {
- $x = q("select sum(filesize) as total from attach where aid = %d ",
- intval($c[0]['channel_account_id'])
- );
- if (($x) && ($x[0]['total'] + $size > $limit)) {
- logger('RedFile::put(): service class limit exceeded for ' . $c[0]['channel_name'] . ' total usage is ' . $x[0]['total'] . ' limit is ' . $limit);
- attach_delete($c[0]['channel_id'], $this->data['hash']);
- return;
- }
- }
- }
-
- /**
- * @brief Returns the raw data.
- *
- * @return string
- */
- public function get() {
- logger('RedFile::get(): ' . basename($this->name), LOGGER_DEBUG);
-
- $r = q("select data, flags, filename, filetype from attach where hash = '%s' and uid = %d limit 1",
- dbesc($this->data['hash']),
- intval($this->data['uid'])
- );
- if ($r) {
- // @todo this should be a global definition
- $unsafe_types = array('text/html', 'text/css', 'application/javascript');
-
- if (in_array($r[0]['filetype'], $unsafe_types)) {
- header('Content-disposition: attachment; filename="' . $r[0]['filename'] . '"');
- header('Content-type: text/plain');
- }
-
- if ($r[0]['flags'] & ATTACH_FLAG_OS ) {
- $f = 'store/' . $this->auth->owner_nick . '/' . (($this->os_path) ? $this->os_path . '/' : '') . $r[0]['data'];
- return fopen($f, 'rb');
- }
- return $r[0]['data'];
- }
- }
-
- /**
- * @brief Returns the ETag for a file.
- *
- * An ETag is a unique identifier representing the current version of the file. If the file changes, the ETag MUST change.
- * The ETag is an arbitrary string, but MUST be surrounded by double-quotes.
- *
- * Return null if the ETag can not effectively be determined.
- *
- * @return mixed
- */
- public function getETag() {
- $ret = null;
- if ($this->data['hash']) {
- $ret = '"' . $this->data['hash'] . '"';
- }
- return $ret;
- }
-
- /**
- * @brief Returns the mime-type for a file.
- *
- * If null is returned, we'll assume application/octet-stream
- *
- * @return mixed
- */
- public function getContentType() {
- // @todo this should be a global definition.
- $unsafe_types = array('text/html', 'text/css', 'application/javascript');
- if (in_array($this->data['filetype'], $unsafe_types)) {
- return 'text/plain';
- }
- return $this->data['filetype'];
- }
-
- /**
- * @brief Returns the size of the node, in bytes.
- *
- * @return int
- */
- public function getSize() {
- return $this->data['filesize'];
- }
-
- /**
- * @brief Returns the last modification time for the file, as a unix
- * timestamp.
- *
- * @return int last modification time in UNIX timestamp
- */
- public function getLastModified() {
- return datetime_convert('UTC', 'UTC', $this->data['edited'], 'U');
- }
-
- /**
- * @brief Delete the file.
- *
- * @throw DAV\Exception\Forbidden
- * @return void
- */
- public function delete() {
- logger('RedFile::delete(): ' . basename($this->name), LOGGER_DEBUG);
-
- if ((! $this->auth->owner_id) || (! perm_is_allowed($this->auth->owner_id, $this->auth->observer, 'write_storage'))) {
- throw new DAV\Exception\Forbidden('Permission denied.');
- }
-
- if ($this->auth->owner_id !== $this->auth->channel_id) {
- if (($this->auth->observer !== $this->data['creator']) || ($this->data['flags'] & ATTACH_FLAG_DIR)) {
- throw new DAV\Exception\Forbidden('Permission denied.');
- }
- }
-
- attach_delete($this->auth->owner_id, $this->data['hash']);
- }
-} // class RedFile
-
+require_once('include/RedDAV/RedFile.php');
+require_once('include/RedDAV/RedDirectory.php');
+require_once('include/RedDAV/RedBasicAuth.php');
/**
* @brief Returns an array with viewable channels.
@@ -727,6 +34,7 @@ class RedFile extends DAV\Node implements DAV\IFile {
* has <b>view_storage</b> perms.
*
* @todo Is there any reason why this is not inside RedDirectory class?
+ * @fixme function name looks like a class name, should we rename it?
*
* @param $auth
* @return array containing RedDirectory objects
@@ -744,7 +52,7 @@ function RedChannelList(&$auth) {
if (perm_is_allowed($rr['channel_id'], $auth->observer, 'view_storage')) {
logger('RedChannelList: ' . '/cloud/' . $rr['channel_address'], LOGGER_DATA);
// @todo can't we drop '/cloud'? It gets stripped off anyway in RedDirectory
- $ret[] = new RedDirectory('/cloud/' . $rr['channel_address'], $auth);
+ $ret[] = new RedDAV\RedDirectory('/cloud/' . $rr['channel_address'], $auth);
}
}
}
@@ -757,7 +65,9 @@ function RedChannelList(&$auth) {
*
* Array with all RedDirectory and RedFile DAV\Node items for the given path.
*
- * @todo Is there any reason why this is not inside RedDirectory class? Seems only to be used there and we could simplify it a bit there.
+ * @todo Is there any reason why this is not inside RedDirectory class? Seems
+ * only to be used there and we could simplify it a bit there.
+ * @fixme function name looks like a class name, should we rename it?
*
* @param string $file path to a directory
* @param &$auth
@@ -854,9 +164,9 @@ function RedCollectionData($file, &$auth) {
if ($rr['flags'] & ATTACH_FLAG_DIR) {
// @todo can't we drop '/cloud'? it gets stripped off anyway in RedDirectory
- $ret[] = new RedDirectory('/cloud' . $path . '/' . $rr['filename'], $auth);
+ $ret[] = new RedDAV\RedDirectory('/cloud' . $path . '/' . $rr['filename'], $auth);
} else {
- $ret[] = new RedFile('/cloud' . $path . '/' . $rr['filename'], $rr, $auth);
+ $ret[] = new RedDAV\RedFile('/cloud' . $path . '/' . $rr['filename'], $rr, $auth);
}
}
@@ -867,6 +177,8 @@ function RedCollectionData($file, &$auth) {
/**
* @brief TODO What exactly is this function for?
*
+ * @fixme function name looks like a class name, should we rename it?
+ *
* @param string $file
* @param &$auth
* @param boolean $test (optional) enable test mode
@@ -880,7 +192,7 @@ function RedFileData($file, &$auth, $test = false) {
}
if ((! $file) || ($file === '/')) {
- return new RedDirectory('/', $auth);
+ return new RedDAV\RedDirectory('/', $auth);
}
$file = trim($file, '/');
@@ -951,7 +263,7 @@ function RedFileData($file, &$auth, $test = false) {
if ($test)
return true;
// final component was a directory.
- return new RedDirectory('/cloud/' . $file, $auth);
+ return new RedDAV\RedDirectory('/cloud/' . $file, $auth);
}
if ($errors) {
@@ -971,212 +283,10 @@ function RedFileData($file, &$auth, $test = false) {
if ($r[0]['flags'] & ATTACH_FLAG_DIR) {
// @todo can't we drop '/cloud'? it gets stripped off anyway in RedDirectory
- return new RedDirectory('/cloud' . $path . '/' . $r[0]['filename'], $auth);
+ return new RedDAV\RedDirectory('/cloud' . $path . '/' . $r[0]['filename'], $auth);
} else {
- return new RedFile('/cloud' . $path . '/' . $r[0]['filename'], $r[0], $auth);
+ return new RedDAV\RedFile('/cloud' . $path . '/' . $r[0]['filename'], $r[0], $auth);
}
}
return false;
-}
-
-
-
-/**
- * @brief Authentication backend class for RedDAV.
- *
- * This class also contains some data which is not necessary for authentication
- * like timezone settings.
- *
- */
-class RedBasicAuth extends DAV\Auth\Backend\AbstractBasic {
-
- /**
- * @brief This variable holds the currently logged-in channel_address.
- *
- * It is used for building path in filestorage/.
- *
- * @var string|null
- */
- protected $channel_name = null;
- /**
- * channel_id of the current channel of the logged-in account.
- *
- * @var int
- */
- public $channel_id = 0;
- /**
- * channel_hash of the current channel of the logged-in account.
- *
- * @var string
- */
- public $channel_hash = '';
- /**
- * Set in mod/cloud.php to observer_hash.
- *
- * @var string
- */
- public $observer = '';
- /**
- *
- * @see RedBrowser::set_writeable()
- * @var DAV\Browser\Plugin
- */
- public $browser;
- /**
- * channel_id of the current visited path. Set in RedDirectory::getDir().
- *
- * @var int
- */
- public $owner_id = 0;
- /**
- * channel_name of the current visited path. Set in RedDirectory::getDir().
- *
- * Used for creating the path in cloud/
- *
- * @var string
- */
- public $owner_nick = '';
- /**
- * Timezone from the visiting channel's channel_timezone.
- *
- * Used in @ref RedBrowser
- *
- * @var string
- */
- protected $timezone = '';
-
-
- /**
- * @brief Validates a username and password.
- *
- * Guest access is granted with the password "+++".
- *
- * @see DAV\Auth\Backend\AbstractBasic::validateUserPass
- * @param string $username
- * @param string $password
- * @return bool
- */
- protected function validateUserPass($username, $password) {
- if (trim($password) === '+++') {
- logger('(DAV): RedBasicAuth::validateUserPass(): guest ' . $username);
- return true;
- }
-
- require_once('include/auth.php');
- $record = account_verify_password($username, $password);
- if ($record && $record['account_default_channel']) {
- $r = q("SELECT * FROM channel WHERE channel_account_id = %d AND channel_id = %d LIMIT 1",
- intval($record['account_id']),
- intval($record['account_default_channel'])
- );
- if ($r) {
- return $this->setAuthenticated($r[0]);
- }
- }
- $r = q("SELECT * FROM channel WHERE channel_address = '%s' LIMIT 1",
- dbesc($username)
- );
- if ($r) {
- $x = q("SELECT account_flags, account_salt, account_password FROM account WHERE account_id = %d LIMIT 1",
- intval($r[0]['channel_account_id'])
- );
- if ($x) {
- // @fixme this foreach should not be needed?
- foreach ($x as $record) {
- if (($record['account_flags'] == ACCOUNT_OK) || ($record['account_flags'] == ACCOUNT_UNVERIFIED)
- && (hash('whirlpool', $record['account_salt'] . $password) === $record['account_password'])) {
- logger('(DAV) RedBasicAuth: password verified for ' . $username);
- return $this->setAuthenticated($r[0]);
- }
- }
- }
- }
- logger('(DAV) RedBasicAuth: password failed for ' . $username);
- return false;
- }
-
- /**
- * @brief Sets variables and session parameters after successfull authentication.
- *
- * @param array $r
- * Array with the values for the authenticated channel.
- * @return bool
- */
- protected function setAuthenticated($r) {
- $this->channel_name = $r['channel_address'];
- $this->channel_id = $r['channel_id'];
- $this->channel_hash = $this->observer = $r['channel_hash'];
- $_SESSION['uid'] = $r['channel_id'];
- $_SESSION['account_id'] = $r['channel_account_id'];
- $_SESSION['authenticated'] = true;
- return true;
- }
-
- /**
- * Sets the channel_name from the currently logged-in channel.
- *
- * @param string $name
- * The channel's name
- */
- public function setCurrentUser($name) {
- $this->channel_name = $name;
- }
- /**
- * Returns information about the currently logged-in channel.
- *
- * If nobody is currently logged in, this method should return null.
- *
- * @see DAV\Auth\Backend\AbstractBasic::getCurrentUser
- * @return string|null
- */
- public function getCurrentUser() {
- return $this->channel_name;
- }
-
- /**
- * @brief Sets the timezone from the channel in RedBasicAuth.
- *
- * Set in mod/cloud.php if the channel has a timezone set.
- *
- * @param string $timezone
- * The channel's timezone.
- * @return void
- */
- public function setTimezone($timezone) {
- $this->timezone = $timezone;
- }
- /**
- * @brief Returns the timezone.
- *
- * @return string
- * Return the channel's timezone.
- */
- public function getTimezone() {
- return $this->timezone;
- }
-
- /**
- * @brief Set browser plugin for SabreDAV.
- *
- * @see RedBrowser::set_writeable()
- * @param DAV\Browser\Plugin $browser
- */
- public function setBrowserPlugin($browser) {
- $this->browser = $browser;
- }
-
- /**
- * Prints out all RedBasicAuth variables to logger().
- *
- * @return void
- */
- public function log() {
- logger('dav: auth: channel_name ' . $this->channel_name, LOGGER_DATA);
- logger('dav: auth: channel_id ' . $this->channel_id, LOGGER_DATA);
- logger('dav: auth: channel_hash ' . $this->channel_hash, LOGGER_DATA);
- logger('dav: auth: observer ' . $this->observer, LOGGER_DATA);
- logger('dav: auth: owner_id ' . $this->owner_id, LOGGER_DATA);
- logger('dav: auth: owner_nick ' . $this->owner_nick, LOGGER_DATA);
- }
-
-} // class RedBasicAuth
+} \ No newline at end of file
diff --git a/mod/cloud.php b/mod/cloud.php
index 149a6da5d..27724f6b0 100644
--- a/mod/cloud.php
+++ b/mod/cloud.php
@@ -63,7 +63,7 @@ function cloud_init(&$a) {
if ($which)
profile_load($a, $which, $profile);
- $auth = new RedBasicAuth();
+ $auth = new RedDAV\RedBasicAuth();
$ob_hash = get_observer_hash();
@@ -91,7 +91,7 @@ function cloud_init(&$a) {
$_SERVER['REQUEST_URI'] = strip_zids($_SERVER['REQUEST_URI']);
$_SERVER['REQUEST_URI'] = preg_replace('/[\?&]davguest=(.*?)([\?&]|$)/ism', '', $_SERVER['REQUEST_URI']);
- $rootDirectory = new RedDirectory('/', $auth);
+ $rootDirectory = new RedDAV\RedDirectory('/', $auth);
// A SabreDAV server-object
$server = new DAV\Server($rootDirectory);
@@ -117,7 +117,7 @@ function cloud_init(&$a) {
if ((! $auth->observer) && ($_SERVER['REQUEST_METHOD'] === 'GET')) {
try {
$x = RedFileData('/' . $a->cmd, $auth);
- if($x instanceof RedFile)
+ if($x instanceof RedDAV\RedFile)
$isapublic_file = true;
}
catch (Exception $e) {
@@ -150,4 +150,4 @@ function cloud_init(&$a) {
$server->exec();
killme();
-} \ No newline at end of file
+}