示例#1
0
/**
 * This function handles filebrowser actions, such as uploading files, deleting files, creating folders, etc.
 * It piggybacks on the surrounding pieform but bypasses the normal Pieforms validation process.
 *
 * @param Pieform $form
 * @param array $element
 * @return mixed
 */
function pieform_element_filebrowser_doupdate(Pieform $form, $element)
{
    require_once 'license.php';
    $result = null;
    $prefix = $form->get_name() . '_' . $element['name'];
    // Since this is executed before normal pieforms validation, we'll redundantly call the validation here
    try {
        $sesskey = param_variable('sesskey', null);
        pieform_validate($form, array('sesskey' => $sesskey));
    } catch (Exception $e) {
        return array('error' => true, 'message' => $e->getMessage());
    }
    $delete = param_variable($prefix . '_delete', null);
    if (is_array($delete)) {
        $keys = array_keys($delete);
        return pieform_element_filebrowser_delete($form, $element, (int) $keys[0]);
    }
    $resizeonuploaduserenable = param_variable($prefix . '_resizeonuploaduserenable', null);
    if (!empty($resizeonuploaduserenable)) {
        $resizeimage = 1;
    } else {
        $resizeimage = 0;
    }
    $update = param_variable($prefix . '_update', null);
    if (is_array($update)) {
        $keys = array_keys($update);
        $artefactid = (int) $keys[0];
        $edit_title = param_variable($prefix . '_edit_title');
        $namelength = strlen($edit_title);
        if (!$namelength) {
            return array('edit' => $artefactid, 'error' => true, 'message' => get_string('filenamefieldisrequired1', 'artefact.file'));
        } else {
            if ($namelength > 1024) {
                return array('edit' => $artefactid, 'error' => true, 'message' => get_string('nametoolong', 'artefact.file'));
            }
        }
        $data = array('artefact' => $artefactid, 'title' => $edit_title, 'description' => param_variable($prefix . '_edit_description'), 'tags' => param_variable($prefix . '_edit_tags'), 'folder' => $element['folder'], 'allowcomments' => param_boolean($prefix . '_edit_allowcomments'));
        if (get_config('licensemetadata')) {
            $data = array_merge($data, array('license' => license_coalesce(null, param_variable($prefix . '_edit_license'), param_variable($prefix . '_edit_license_other', null)), 'licensor' => param_variable($prefix . '_edit_licensor'), 'licensorurl' => param_variable($prefix . '_edit_licensorurl')));
        }
        if ($form->get_property('group')) {
            $data['permissions'] = array('admin' => (object) array('view' => true, 'edit' => true, 'republish' => true));
            foreach ($_POST as $k => $v) {
                if (preg_match('/^' . $prefix . '_permission:([a-z]+):([a-z]+)$/', $k, $m)) {
                    if (!isset($data['permissions'][$m[1]])) {
                        $data['permissions'][$m[1]] = new stdClass();
                    }
                    $data['permissions'][$m[1]]->{$m[2]} = (bool) $v;
                }
            }
        }
        return pieform_element_filebrowser_update($form, $element, $data);
    }
    $move = param_variable($prefix . '_move', null);
    if (!empty($move)) {
        return pieform_element_filebrowser_move($form, $element, array('artefact' => (int) $move, 'newparent' => param_integer($prefix . '_moveto'), 'folder' => $element['folder']));
    }
    $createfolder = param_variable($prefix . '_createfolder', null);
    if (!empty($createfolder)) {
        $createfolder_name = param_variable($prefix . '_createfolder_name');
        $namelength = strlen($createfolder_name);
        if (!$namelength) {
            return array('error' => true, 'message' => get_string('foldernamerequired', 'artefact.file'));
        } else {
            if ($namelength > 1024) {
                return array('error' => true, 'message' => get_string('nametoolong', 'artefact.file'));
            }
        }
        return pieform_element_filebrowser_createfolder($form, $element, array('title' => $createfolder_name, 'folder' => $element['folder']));
    }
    // {$prefix}_upload is set in all browsers except safari when javascript is
    // on (and set in all browsers when it's not)
    $upload = param_variable($prefix . '_upload', null);
    if (!empty($upload)) {
        if (empty($_FILES['userfile']['name'])) {
            return array('error' => true, 'message' => get_string('filenamefieldisrequired', 'artefact.file'), 'browse' => 1);
        } else {
            if (is_array($_FILES['userfile']['name'])) {
                foreach ($_FILES['userfile']['name'] as $filename) {
                    if (empty($filename)) {
                        // TODO, how to specify which file is in error...
                        return array('error' => true, 'message' => get_string('filenamefieldisrequired', 'artefact.file'), 'browse' => 1);
                    }
                }
            }
        }
    }
    if (!empty($_FILES['userfile']['name'])) {
        if (!is_array($_FILES['userfile']['name'])) {
            if (!empty($_POST['_userfile']) && is_array($_POST['_userfile'])) {
                // renaming file for drag and drop
                $_FILES['userfile']['name'] = $_POST['_userfile']['name'];
                $_FILES['userfile']['type'] = $_POST['_userfile']['type'];
            }
            if (strlen($_FILES['userfile']['name']) > 1024) {
                return array('error' => true, 'message' => get_string('nametoolong', 'artefact.file'));
            } else {
                if ($element['config']['uploadagreement'] && !param_boolean($prefix . '_notice', false)) {
                    return array('error' => true, 'message' => get_string('youmustagreetothecopyrightnotice', 'artefact.file'), 'browse' => 1);
                }
            }
            $data = array('userfile' => $_FILES['userfile'], 'uploadnumber' => param_integer($prefix . '_uploadnumber'), 'uploadfolder' => $element['folder'] ? $element['folder'] : null, 'uploadfoldername' => param_variable($prefix . '_foldername'), 'resizeonuploaduserenable' => $resizeimage);
            if (get_config('licensemetadata') && param_variable('dropzone')) {
                $data = array_merge($data, array('license' => license_coalesce(null, param_variable($prefix . '_license'), param_variable($prefix . '_license_other', null)), 'licensor' => param_variable($prefix . '_licensor'), 'licensorurl' => param_variable($prefix . '_licensorurl')));
            } else {
                if (get_config('licensemetadata')) {
                    $data = array_merge($data, array('license' => license_coalesce(null, param_variable($prefix . '_edit_license'), param_variable($prefix . '_edit_license_other', null)), 'licensor' => param_variable($prefix . '_edit_licensor'), 'licensorurl' => param_variable($prefix . '_edit_licensorurl')));
                }
            }
            $result = pieform_element_filebrowser_upload($form, $element, $data);
            // If it's a non-js upload, automatically select the newly uploaded file.
            $result['browse'] = 1;
            if (!$form->submitted_by_js() && !$result['error'] && !empty($element['config']['select'])) {
                if (isset($element['selectcallback']) && is_callable($element['selectcallback'])) {
                    $element['selectcallback']($result['highlight']);
                } else {
                    $result['select'] = $result['highlight'];
                }
            }
            return $result;
        } else {
            if (!empty($_FILES['userfile']['name'][0])) {
                if ($element['config']['uploadagreement'] && !param_boolean($prefix . '_notice', false)) {
                    return array('error' => true, 'message' => get_string('youmustagreetothecopyrightnotice', 'artefact.file'), 'browse' => 1);
                }
                $result = array('multiuploads' => array());
                $size = sizeof($_FILES['userfile']['name']);
                for ($i = 0; $i < $size; $i++) {
                    if (strlen($_FILES['userfile']['name'][$i]) > 1024) {
                        return array('error' => true, 'message' => get_string('nametoolong', 'artefact.file'));
                    }
                    $data = array('userfile' => $_FILES['userfile'], 'userfileindex' => $i, 'uploadnumber' => param_integer($prefix . '_uploadnumber') - ($size - $i - 1), 'uploadfolder' => $element['folder'] ? $element['folder'] : null, 'uploadfoldername' => param_variable($prefix . '_foldername'), 'resizeonuploaduserenable' => $resizeimage);
                    if (get_config('licensemetadata')) {
                        $data = array_merge($data, array('license' => license_coalesce(null, param_variable($prefix . '_license'), param_variable($prefix . '_license_other', null)), 'licensor' => param_variable($prefix . '_licensor'), 'licensorurl' => param_variable($prefix . '_licensorurl')));
                    }
                    $result['multiuploads'][$i] = pieform_element_filebrowser_upload($form, $element, $data);
                    // TODO, what to do here...
                    // If it's a non-js upload, automatically select the newly uploaded file.
                    $result['multiuploads'][$i]['browse'] = 1;
                    if (!$form->submitted_by_js() && !$result['multiuploads'][$i]['error'] && !empty($element['config']['select'])) {
                        if (isset($element['selectcallback']) && is_callable($element['selectcallback'])) {
                            $element['selectcallback']($result['multiuploads'][$i]['highlight']);
                        } else {
                            $result['multiuploads'][$i]['select'] = $result['multiuploads'][$i]['highlight'];
                        }
                    }
                    $result['multiuploads'][$i]['folder'] = $element['folder'];
                }
                return $result;
            }
        }
    }
    if (!$form->submitted_by_js()) {
        $select = param_variable($prefix . '_select', null);
        if (is_array($select)) {
            $keys = array_keys($select);
            $add = (int) $keys[0];
            if (isset($element['selectcallback']) && is_callable($element['selectcallback'])) {
                try {
                    $element['selectcallback']($add);
                } catch (ArtefactNotFoundException $e) {
                    $result = array('error' => true, 'message' => get_string('selectingfailed', 'artefact.file'));
                    return $result;
                }
            } else {
                $result['select'] = $add;
            }
            $result['message'] = get_string('fileadded', 'artefact.file');
            $result['browse'] = 1;
            return $result;
        }
        $unselect = param_variable($prefix . '_unselect', null);
        if (is_array($unselect)) {
            $keys = array_keys($unselect);
            $del = (int) $keys[0];
            if (isset($element['unselectcallback']) && is_callable($element['unselectcallback'])) {
                try {
                    $element['unselectcallback']($del);
                } catch (ArtefactNotFoundException $e) {
                    $result = array('error' => true, 'message' => get_string('removingfailed', 'artefact.file'));
                    return $result;
                }
            } else {
                $result['unselect'] = $del;
            }
            $result['message'] = get_string('fileremoved', 'artefact.file');
            return $result;
        }
        $edit = param_variable($prefix . '_edit', null);
        if (is_array($edit)) {
            $keys = array_keys($edit);
            $result['edit'] = (int) $keys[0];
            return $result;
        }
        if (param_variable('browse', 0) && !param_variable($prefix . '_cancelbrowse', 0)) {
            $result['browse'] = 1;
            return $result;
        }
    }
    $changeowner = param_variable($prefix . '_changeowner', null);
    if (!empty($changeowner)) {
        $result = pieform_element_filebrowser_changeowner($form, $element);
        $result['browse'] = 1;
        return $result;
    }
    $newfolder = param_variable($prefix . '_changefolder', null);
    if (!is_null($newfolder) && is_numeric($newfolder)) {
        $result = pieform_element_filebrowser_changefolder($form, $element, $newfolder);
        $result['browse'] = 1;
        $result['folder'] = $newfolder;
        return $result;
    }
}
示例#2
0
function pieform_element_filebrowser_doupdate(Pieform $form, $element)
{
    $result = null;
    $prefix = $form->get_name() . '_' . $element['name'];
    $delete = param_variable($prefix . '_delete', null);
    if (is_array($delete)) {
        $keys = array_keys($delete);
        return pieform_element_filebrowser_delete($form, $element, (int) $keys[0]);
    }
    $update = param_variable($prefix . '_update', null);
    if (is_array($update)) {
        $edit_title = param_variable($prefix . '_edit_title');
        $namelength = strlen($edit_title);
        if (!$namelength) {
            return array('error' => true, 'message' => get_string('filenamefieldisrequired', 'artefact.file'));
        } else {
            if ($namelength > 1024) {
                return array('error' => true, 'message' => get_string('nametoolong', 'artefact.file'));
            }
        }
        $keys = array_keys($update);
        $data = array('artefact' => (int) $keys[0], 'title' => $edit_title, 'description' => param_variable($prefix . '_edit_description'), 'tags' => param_variable($prefix . '_edit_tags'), 'folder' => $element['folder']);
        if ($form->get_property('group')) {
            $data['permissions'] = array('admin' => (object) array('view' => true, 'edit' => true, 'republish' => true));
            foreach ($_POST as $k => $v) {
                if (preg_match('/^' . $prefix . '_permission:([a-z]+):([a-z]+)$/', $k, $m)) {
                    $data['permissions'][$m[1]]->{$m[2]} = (bool) $v;
                }
            }
        }
        return pieform_element_filebrowser_update($form, $element, $data);
    }
    $move = param_variable($prefix . '_move', null);
    if (!empty($move)) {
        return pieform_element_filebrowser_move($form, $element, array('artefact' => (int) $move, 'newparent' => param_integer($prefix . '_moveto'), 'folder' => $element['folder']));
    }
    $createfolder = param_variable($prefix . '_createfolder', null);
    if (!empty($createfolder)) {
        $createfolder_name = param_variable($prefix . '_createfolder_name');
        $namelength = strlen($createfolder_name);
        if (!$namelength) {
            return array('error' => true, 'message' => get_string('foldernamerequired', 'artefact.file'));
        } else {
            if ($namelength > 1024) {
                return array('error' => true, 'message' => get_string('nametoolong', 'artefact.file'));
            }
        }
        return pieform_element_filebrowser_createfolder($form, $element, array('title' => $createfolder_name, 'folder' => $element['folder']));
    }
    // {$prefix}_upload is set in all browsers except safari when javascript is
    // on (and set in all browsers when it's not)
    $upload = param_variable($prefix . '_upload', null);
    if (!empty($upload)) {
        if (empty($_FILES['userfile']['name'])) {
            return array('error' => true, 'message' => get_string('filenamefieldisrequired', 'artefact.file'), 'browse' => 1);
        }
    }
    if (isset($_FILES['userfile']['error']) && $_FILES['userfile']['error'] == 0) {
        if (strlen($_FILES['userfile']['name']) > 1024) {
            return array('error' => true, 'message' => get_string('nametoolong', 'artefact.file'));
        } else {
            if ($element['config']['uploadagreement'] && !param_boolean($prefix . '_notice', false)) {
                return array('error' => true, 'message' => get_string('youmustagreetothecopyrightnotice', 'artefact.file'), 'browse' => 1);
            }
        }
        $result = pieform_element_filebrowser_upload($form, $element, array('userfile' => $_FILES['userfile'], 'uploadnumber' => param_integer($prefix . '_uploadnumber'), 'uploadfolder' => $element['folder'] ? $element['folder'] : null, 'uploadfoldername' => param_variable($prefix . '_foldername')));
        // If it's a non-js upload, automatically select the newly uploaded file.
        $result['browse'] = 1;
        if (!$form->submitted_by_js() && !$result['error'] && !empty($element['config']['select'])) {
            if (isset($element['selectcallback']) && is_callable($element['selectcallback'])) {
                $element['selectcallback']($result['highlight']);
            } else {
                $result['select'] = $result['highlight'];
            }
        }
        return $result;
    }
    if (!$form->submitted_by_js()) {
        $select = param_variable($prefix . '_select', null);
        if (is_array($select)) {
            $keys = array_keys($select);
            $add = (int) $keys[0];
            if (isset($element['selectcallback']) && is_callable($element['selectcallback'])) {
                try {
                    $element['selectcallback']($add);
                } catch (ArtefactNotFoundException $e) {
                    $result = array('error' => true, 'message' => get_string('selectingfailed', 'artefact.file'));
                    return $result;
                }
            } else {
                $result['select'] = $add;
            }
            $result['message'] = get_string('fileadded', 'artefact.file');
            $result['browse'] = 1;
            return $result;
        }
        $unselect = param_variable($prefix . '_unselect', null);
        if (is_array($unselect)) {
            $keys = array_keys($unselect);
            $del = (int) $keys[0];
            if (isset($element['unselectcallback']) && is_callable($element['unselectcallback'])) {
                try {
                    $element['unselectcallback']($del);
                } catch (ArtefactNotFoundException $e) {
                    $result = array('error' => true, 'message' => get_string('removingfailed', 'artefact.file'));
                    return $result;
                }
            } else {
                $result['unselect'] = $del;
            }
            $result['message'] = get_string('fileremoved', 'artefact.file');
            return $result;
        }
        $edit = param_variable($prefix . '_edit', null);
        if (is_array($edit)) {
            $keys = array_keys($edit);
            $result['edit'] = (int) $keys[0];
            return $result;
        }
        if (param_variable('browse', 0) && !param_variable($prefix . '_cancelbrowse', 0)) {
            $result['browse'] = 1;
            return $result;
        }
    }
    $changeowner = param_variable($prefix . '_changeowner', null);
    if (!empty($changeowner)) {
        $result = pieform_element_filebrowser_changeowner($form, $element);
        $result['browse'] = 1;
        return $result;
    }
    $newfolder = param_variable($prefix . '_changefolder', null);
    if (!is_null($newfolder) && is_numeric($newfolder)) {
        $result = pieform_element_filebrowser_changefolder($form, $element, $newfolder);
        $result['browse'] = 1;
        $result['folder'] = $newfolder;
        return $result;
    }
}