PHP Streams::requestedType方法代码示例

/**
 * Provide player content to view the members of category listing
 * Uses Streams/$type/category.php view (Streams/$streamType/category/get.php can be used for viewing the category
 * stream itself if type of category is $streamType/category)
 * and Streams::related to retrieve streams data
 *
 **/
function Streams_category_response_player()
{
    $user = Users::loggedInUser();
    $userId = $user ? $user->id : 0;
    // These are PK of the category!
    $publisherId = Streams::requestedPublisherId(true);
    $name = Streams::requestedName(true);
    // need to know publisher and type of the streams to list
    $streamType = Streams::requestedType();
    if ($streamType) {
        $prefix = "{$streamType}/";
    }
    $stream_publisherId = Q::expect('Streams', $streamType, 'publisher');
    if (substr($name, -1) === '/') {
        throw new Q_Exception("Player cannot show listing for multiple categories", compact('publisherId', 'name'));
    }
    /*
     * Get shall return only streams which user is authorized to see.
     */
    $categories = Streams::fetch($userId, $publisherId, $name);
    if (empty($categories)) {
        throw new Q_Exception_MissingRow(array('table' => 'stream', 'criteria' => compact('publisherId', 'name')));
    }
    $category = reset($categories);
    // Are you authorized to see category content?
    if (!$category->testReadLevel('content')) {
        throw new Users_Exception_NotAuthorized();
    }
    // get all the streams which are members of this category
    // as Streams::get verifies access rights, it's safe to show all streams' content
    list($relations, $streams) = Streams::related($userId, $publisherId, $name, true, array('prefix' => $prefix, 'skipAccess' => true));
    Q::view("Stream/{$type}/category.php", compact('relations', 'streams', 'userId'));
}

function Streams_invite_response_data()
{
    if (isset(Streams::$cache['invited'])) {
        return Streams::$cache['invited'];
    }
    $user = Users::loggedInUser(true);
    $publisherId = Streams::requestedPublisherId();
    $streamType = Streams::requestedType();
    $invitingUserId = Streams::requestedField('invitingUserId');
    $limit = Q::ifset($_REQUEST, 'limit', Q_Config::get('Streams', 'invites', 'limit', 100));
    $invited = Streams_Invited::select('*')->where(array('userId' => $user->id, 'state' => 'pending', 'expireTime <' => new Db_Expression('CURRENT_TIMESTAMP')))->limit($limit)->fetchDbRows(null, null, 'token');
    $query = Streams_Invite::select('*')->where(array('token' => array_keys($invited)));
    if (isset($publisherId)) {
        $query = $query->where(array('publisherId' => $publisherId));
    }
    if (isset($streamType)) {
        $query = $query->where(array('streamName' => new Db_Range($streamType . '/', true, false, true)));
    }
    if (isset($invitingUserId)) {
        $query = $query->where(array('invitingUserId' => $invitingUserId));
    }
    $invites = $query->fetchDbRows();
    $streams = array();
    foreach ($invites as $invite) {
        $stream = new Streams_Stream();
        $stream->publisherId = $invite->publisherId;
        $stream->name = $invite->streamName;
        if ($stream->retrieve()) {
            $streams[$invite->token] = $stream->exportArray();
            $streams[$invite->token]['displayName'] = $invite->displayName;
        }
    }
    return compact('streams', 'invites');
}

function Streams_publisher_validate($params)
{
    // Protect against CSRF attacks:
    Q_Valid::nonce(true);
    $type = Streams::requestedType();
    if ($type && Q::canHandle("Streams/validate/{$type}")) {
        return Q::event("Streams/validate/{$type}", $params);
    }
}

function Streams_participating_response()
{
    if (!Q_Request::isAjax()) {
        return;
    }
    $max_limit = Q_Config::expect('Streams', 'db', 'limits', 'participating');
    $user = Users::loggedInUser(true);
    $type = Streams::requestedType();
    $limit = Streams::requestedField('limit', false, $max_limit);
    if ($limit > $max_limit) {
        throw new Q_Exception("limit is too large, must be <= {$max_limit}");
    }
    $offset = Streams::requestedField('offset', false, 0);
    $order = Streams::requestedField('order', false, true);
    $participating = array();
    $q = Streams_Participating::select('*')->where(array('userId' => $user->id));
    if ($type) {
        $q = $q->where(array('streamName' => new Db_Range($type . '/', true, false, true)));
    }
    if ($limit) {
        $q = $q->limit($limit, $offset);
    }
    if ($order) {
        $q = $q->orderBy('updatedTime', false);
    }
    $res_participating = $q->fetchDbRows();
    foreach ($res_participating as $part) {
        $part_safe = $part->exportArray();
        if (isset($part_safe)) {
            $participating[] = $part_safe;
        }
    }
    Q_Response::setSlot('participating', $participating);
    if (!Q_Request::slotName('streams')) {
        return;
    }
    $res_streams = array();
    $streamNames = array();
    foreach ($res_participating as $p) {
        $streamNames[$p->publisherId][] = $p->streamName;
    }
    foreach ($streamNames as $p_id => $names) {
        $res_streams[$p_id] = Streams::fetch($user->id, $p_id, $names);
    }
    $streams = array();
    $o = array('asUserId' => $user->id);
    foreach ($res_streams as $publisherId => $streams_array) {
        if (!empty($streams_array)) {
            $streams[$publisherId] = array();
            foreach ($streams_array as $streamName => $stream) {
                $streams[$publisherId][$streamName] = $stream->exportArray($o);
            }
        }
    }
    Q_Response::setSlot('streams', $streams);
}

function Streams_stream_validate($params)
{
    // Protect against CSRF attacks:
    if (Q_Request::method() !== 'GET') {
        Q_Valid::nonce(true);
    }
    $type = Streams::requestedType();
    if ($type && Q::canHandle("Streams/validate/{$type}")) {
        return Q::event("Streams/validate/{$type}", $params);
    }
}

function Streams_message_tool($options)
{
    extract($options);
    $user = Users::loggedInUser();
    if (!$user) {
        throw new Users_Exception_NotLoggedIn();
    }
    if (empty($publisherId)) {
        $publisherId = Streams::requestedPublisherId();
    }
    if (empty($publisherId)) {
        $publisherId = $_REQUEST['publisherId'] = $user->id;
    }
    if (empty($name)) {
        $name = Streams::requestedName(true);
    }
    $stream = Streams::fetch($user->id, $publisherId, $name);
    $stream = !empty($stream) ? reset($stream) : null;
    if (!$stream) {
        throw new Q_Exception_MissingRow(array('table' => 'stream', 'criteria' => 'with that name'), 'streamName');
    }
    if (!$stream->testReadLevel('messages') || !$stream->testWriteLevel('post')) {
        throw new Users_Exception_NotAuthorized();
    }
    $hidden = array('publisherId' => $publisherId, 'streamName' => $name);
    $fields = array('stream' => array('label' => 'Stream', 'type' => 'static', 'value' => $stream->title));
    $type = Streams::requestedType();
    // check if stream has messages
    $types = Q_Config::get('Streams', 'messages', $stream->type, array());
    if (count($types) === 0) {
        throw new Q_Exception("Stream of type '{$stream->type}' does not support messages");
    }
    if (!empty($type) && !in_array($type, $types)) {
        throw new Q_Exception("Requested message type '{$type}' is not alowed for streams of type '{$stream->type}'");
    }
    if (!empty($type)) {
        $hidden['type'] = $type;
        $fields['type'] = array('label' => 'Message type', 'type' => 'static', 'value' => $type);
    } else {
        $fields['type'] = array('label' => 'Message type', 'type' => 'select', 'options' => array_merge(array('' => 'Select type'), array_combine($types, $types)), 'value' => '');
    }
    $fields['content'] = array('label' => 'Content', 'type' => 'textarea');
    $fields['submit'] = array('label' => '', 'type' => 'submit_buttons', 'options' => array('submit' => 'Post'));
    return Q_Html::tag('h3', array(), 'Post a message') . Q_Html::form(Q_Request::baseUrl() . '/action.php/Streams/message', 'post', array(), Q_Html::hidden($hidden) . Q::tool('Q/form', array('fields' => $fields, 'onSuccess' => 'function (data) {
					if (data.errors) alert(data.errors);
					else {
						alert("Message posted");
						var message = Q.getObject(["slots", "form", "fields"], data);
						Q.handle(Q.info.baseUrl+"/plugins/Streams/message?publisherId="+message.publisherId+"&name="+message.streamName);
					}
				}')));
}

/**
 * Used by HTTP clients to create a new stream in the system.
 * @class Streams-stream
 * @method post
 * @param {array} [$params] Parameters that can come from the request
 *   @param {string} $params.publisherId  Required. The id of the user to publish the stream.
 *   @param {string} $params.type Required. The type of the stream.
 *   @param {string} [$params.Q_Streams_related_publisherId] Optionally indicate the publisher of the stream to relate the newly created to. Used together with the related.streamName option.
 *   @param {string} [$params.Q_Streams_related_streamName] Optionally indicate the name of a stream to relate the newly crated stream to. This is often necessary in order to obtain permissions to create the stream.
 *   @param {bool} [$params.dontSubscribe=false] Pass 1 or true here in order to skip auto-subscribing to the newly created stream.
 *   @param {array} [$params.icon] This is used to upload a custom icon for the stream which will then be saved in different sizes. See fields for Q/image/post method
 *     @param {string} [$params.icon.data]  Required if $_FILES is empty. Base64-encoded  data URI - see RFC 2397
 *     @param {string} [$params.icon.path="uploads"] parent path under web dir (see subpath)
 *     @param {string} [$params.icon.subpath=""] subpath that should follow the path, to save the image under
 *     @param {string} [$params.icon.merge=""] path under web dir for an optional image to use as a background
 *     @param {string} [$params.icon.crop] array with keys "x", "y", "w", "h" to crop the original image
 *     @param {string} [$params.icon.save=array("x" => "")] array of $size => $basename pairs
 *      where the size is of the format "WxH", and either W or H can be empty.
 *   @param {array} [$params.file] This is used to upload a custom icon for the stream which will then be saved in different sizes. See fields for Q/image/post method
 *     @param {string} [$params.file.data]  Required if $_FILES is empty. Base64-encoded  data URI - see RFC 2397
 *     @param {string} [$params.file.path="uploads"] parent path under web dir (see subpath)
 *     @param {string} [$params.file.subpath=""] subpath that should follow the path, to save the file under
 *     @param {string} [$params.file.name] override name of the file, after the subpath
 */
function Streams_stream_post($params = array())
{
    $user = Users::loggedInUser(true);
    $publisherId = Streams::requestedPublisherId();
    if (empty($publisherId)) {
        $publisherId = $_REQUEST['publisherId'] = $user->id;
    }
    $req = array_merge($_REQUEST, $params);
    $type = Streams::requestedType(true);
    $types = Q_Config::expect('Streams', 'types');
    if (!array_key_exists($type, $types)) {
        throw new Q_Exception("This app doesn't support streams of type {$type}", 'type');
    }
    if (empty($types[$type]['create'])) {
        throw new Q_Exception("This app doesn't support directly creating streams of type {$type}", 'type');
    }
    // Should this stream be related to another stream?
    $relate = array();
    $relate['streamName'] = Q_Request::special("Streams.related.streamName", null, $req);
    if (isset($relate['streamName'])) {
        $relate['publisherId'] = Q_Request::special("Streams.related.publisherId", $publisherId, $req);
        $relate['type'] = Q_Request::special("Streams.related.type", "", $req);
        $relate['weight'] = "+1";
        // TODO: introduce ways to have "1" and "+1" for some admins etc.
    }
    // Hold on to any icon that was posted
    $icon = null;
    if (!empty($req['icon']) and is_array($req['icon'])) {
        $icon = $req['icon'];
        unset($req['icon']);
    }
    // Hold on to any file that was posted
    $file = null;
    if (!empty($req['file']) and is_array($req['file'])) {
        $file = $req['file'];
        unset($req['file']);
    }
    // Check if client can set the name of this stream
    if (!empty($req['name'])) {
        if ($user->id !== $publisherId or !Q_Config::get('Streams', 'possibleUserStreams', $req['name'], false)) {
            throw new Users_Exception_NotAuthorized();
        }
    }
    // Create the stream
    $allowedFields = array_merge(array('publisherId', 'type', 'icon', 'file'), Streams::getExtendFieldNames($type, $user->id === $publisherId));
    $fields = Q::take($req, $allowedFields);
    $stream = Streams::create($user->id, $publisherId, $type, $fields, $relate, $result);
    Q_Response::setSlot('messageTo', $result['messageTo']->exportArray());
    // Process any icon that was posted
    if ($icon === true) {
        $icon = array();
    }
    if (is_array($icon)) {
        if (empty($icon['path'])) {
            $icon['path'] = 'uploads/Streams';
        }
        if (empty($icon['subpath'])) {
            $icon['subpath'] = "{$publisherId}/{$stream->name}/icon/" . time();
        }
        Q_Response::setSlot('icon', Q::event("Q/image/post", $icon));
    }
    // Process any file that was posted
    if ($file === true) {
        $file = array();
    }
    if ($file) {
        if (empty($file['path'])) {
            $file['path'] = 'uploads/Streams';
        }
        if (empty($file['subpath'])) {
            $file['subpath'] = "{$publisherId}/{$stream->name}/file/" . time();
        }
        Q_Response::setSlot('file', Q::event("Q/file/post", $file));
    }
    $file = Q::ifset($fieldNames, 'file', null);
    if (is_array($file)) {
//.........这里部分代码省略.........

/**
 * Used by HTTP clients to create a new stream in the system.
 * @class HTTP Streams stream
 * @method post
 * @param {array} [$params] Parameters that can come from the request
 *   @param {string} $params.publisherId  Required. The id of the user to publish the stream.
 *   @param {string} $params.type Required. The type of the stream.
 *   @param {string} [$params.Q_Streams_related_publisherId] Optionally indicate the publisher of the stream to relate the newly created to. Used together with the related.streamName option.
 *   @param {string} [$params.Q_Streams_related_streamName] Optionally indicate the name of a stream to relate the newly crated stream to. This is often necessary in order to obtain permissions to create the stream.
 *   @param {bool} [$params.dontSubscribe=false] Pass 1 or true here in order to skip auto-subscribing to the newly created stream.
 *   @param {array} [$params.icon] This is used to upload a custom icon for the stream which will then be saved in different sizes. See fields for Q/image/post method
 *     @param {string} [$params.icon.data]  Required if $_FILES is empty. Base64-encoded  data URI - see RFC 2397
 *     @param {string} [$params.icon.path="uploads"] parent path under web dir (see subpath)
 *     @param {string} [$params.icon.subpath=""] subpath that should follow the path, to save the image under
 *     @param {string} [$params.icon.merge=""] path under web dir for an optional image to use as a background
 *     @param {string} [$params.icon.crop] array with keys "x", "y", "w", "h" to crop the original image
 *     @param {string} [$params.icon.save=array("x" => "")] array of $size => $basename pairs
 *      where the size is of the format "WxH", and either W or H can be empty.
 *   @param {array} [$params.file] This is used to upload a custom icon for the stream which will then be saved in different sizes. See fields for Q/image/post method
 *     @param {string} [$params.file.data]  Required if $_FILES is empty. Base64-encoded  data URI - see RFC 2397
 *     @param {string} [$params.file.path="uploads"] parent path under web dir (see subpath)
 *     @param {string} [$params.file.subpath=""] subpath that should follow the path, to save the file under
 *     @param {string} [$params.file.name] override name of the file, after the subpath
 */
function Streams_stream_post($params = array())
{
    $user = Users::loggedInUser(true);
    $publisherId = Streams::requestedPublisherId();
    if (empty($publisherId)) {
        $publisherId = $_REQUEST['publisherId'] = $user->id;
    }
    $req = array_merge($_REQUEST, $params);
    $type = Streams::requestedType(true);
    $types = Q_Config::expect('Streams', 'types');
    if (!array_key_exists($type, $types)) {
        throw new Q_Exception("This app doesn't support streams of type {$type}", 'type');
    }
    $create = Streams_Stream::getConfigField($type, 'create', false);
    if (!$create) {
        throw new Q_Exception("This app doesn't let clients directly create streams of type {$type}", 'type');
    }
    // Should this stream be related to another stream?
    $relate = array();
    $relate['streamName'] = Q_Request::special("Streams.related.streamName", null, $req);
    if (isset($relate['streamName'])) {
        $relate['publisherId'] = Q_Request::special("Streams.related.publisherId", $publisherId, $req);
        $relate['type'] = Q_Request::special("Streams.related.type", "", $req);
        $relate['weight'] = "+1";
        // TODO: introduce ways to have "1" and "+1" for some admins etc.
    }
    // Split the id for saving files in the filesystem
    $splitId = Q_Utils::splitId($publisherId);
    // Hold on to any icon that was posted
    $icon = null;
    if (!empty($req['icon']) and is_array($req['icon'])) {
        $icon = $req['icon'];
        unset($req['icon']);
    }
    // Hold on to any file that was posted
    $file = null;
    if (!empty($req['file']) and is_array($req['file'])) {
        $file = $req['file'];
        unset($req['file']);
    }
    // Check if the user owns the stream
    if ($user->id === $publisherId) {
        $asOwner = true;
    } else {
        $streamTemplate = Streams_Stream::getStreamTemplate($publisherId, $type, 'Streams_Stream');
        $asOwner = $streamTemplate ? $streamTemplate->testAdminLevel('own') : false;
    }
    // Check if client can set the name of this stream
    if (isset($req['name'])) {
        $possible = Q_Config::get('Streams', 'possibleUserStreams', $req['name'], false);
        if (!$asOwner or !$possible) {
            throw new Users_Exception_NotAuthorized();
        }
    }
    // Get allowed fields
    $allowedFields = array_merge(array('publisherId', 'name', 'type', 'icon', 'file'), Streams::getExtendFieldNames($type, $asOwner));
    $fields = Q::take($req, $allowedFields);
    // Prevent setting restricted fields
    if (is_array($create)) {
        $restrictedFields = array_diff($allowedFields, $create);
        foreach ($restrictedFields as $fieldName) {
            if (in_array($fieldName, array('publisherId', 'type'))) {
                continue;
            }
            if (isset($req[$fieldName])) {
                throw new Users_Exception_NotAuthorized();
            }
        }
    }
    // Create the stream
    $stream = Streams::create($user->id, $publisherId, $type, $fields, $relate, $result);
    $messageTo = false;
    if (isset($result['messagesTo'])) {
        $messageTo = reset($result['messagesTo']);
        $messageTo = reset($messageTo);
        if (is_array($messageTo)) {
//.........这里部分代码省略.........