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pm.php
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pm.php
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<?php
////////////////////////////////////////////////////////////////////////////////
// //
// Copyright (C) 2016 Phorum Development Team //
// http://www.phorum.org //
// //
// This program is free software. You can redistribute it and/or modify //
// it under the terms of either the current Phorum License (viewable at //
// phorum.org) or the Phorum License that was distributed with this file //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY, without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. //
// //
// You should have received a copy of the Phorum License //
// along with this program. //
// //
////////////////////////////////////////////////////////////////////////////////
// These language strings are set dynamically, so the language
// tool won't recognize them automatically. Therefore they are
// mentioned here.
// $PHORUM["DATA"]["LANG"]["PMFolderCreateSuccess"]
// $PHORUM["DATA"]["LANG"]["PMFolderRenameSuccess"]
// $PHORUM["DATA"]["LANG"]["PMFolderDeleteSuccess"]
// $PHORUM["DATA"]["LANG"]["PMSent"]
// PMTODO If reading from a mail notify, lookup the folder_id,
// so the close button will work. Now the folder_id is empty.
// PMTODO implement pm_reply_flag functionality
define('phorum_page','pm');
require_once './common.php';
require_once PHORUM_PATH.'/include/api/format/messages.php';
require_once PHORUM_PATH.'/include/api/ban.php';
require_once PHORUM_PATH.'/include/api/mail/pm_notify.php';
phorum_api_request_require_login(TRUE);
// CSRF protection: we do not accept posting to this script,
// when the browser does not include a Phorum signed token
// in the request.
phorum_api_request_check_token();
// set all our common URL's
phorum_build_common_urls();
// If private messages are disabled, just show a simple error message.
if (! $PHORUM["enable_pm"]) {
$PHORUM["DATA"]["BLOCK_CONTENT"] = $PHORUM["DATA"]["LANG"]["PMDisabled"];
phorum_api_output("stdblock");
return;
}
// ------------------------------------------------------------------------
// Parameter handling
// ------------------------------------------------------------------------
// Retrieve a parameter from either the args-list or $_POST.
// Do typecasting if requested.
function phorum_getparam($name, $type = NULL)
{
global $PHORUM;
$ret = NULL;
if (isset($PHORUM["args"][$name])) {
$ret = trim($PHORUM["args"][$name]);
}elseif (isset($_POST[$name])) {
$ret = trim($_POST[$name]);
}
// Apply typecasting if requested.
if ($ret != NULL && $type != NULL) {
switch ($type) {
case 'integer':
$ret = (int) $ret;
break;
case 'boolean':
$ret = $ret ? 1 : 0;
break;
case 'folder_id':
if ($ret != PHORUM_PM_INBOX && $ret != PHORUM_PM_OUTBOX) {
$ret = (int)$ret;
}
break;
default:
trigger_error(
"Internal error in phorum_getparam: " .
"illegal type for typecasting: ".phorum_api_format_htmlspecialchars($type),
E_USER_ERROR
);
}
}
return $ret;
}
// Get basic parameters.
$action = phorum_getparam('action');
$page = phorum_getparam('page');
$folder_id = phorum_getparam('folder_id', 'folder_id');
$pm_id = phorum_getparam('pm_id', 'integer');
$forum_id = (int)$PHORUM["forum_id"];
$user_id = (int)$PHORUM["user"]["user_id"];
$hide_userselect = phorum_getparam('hide_userselect', 'boolean');
// Cleanup array with checked PM items.
if (isset($_POST["checked"])) {
$checked = array();
foreach ($_POST["checked"] as $pm_id) {
$checked[] = (int)$pm_id;
}
$_POST["checked"] = $checked;
}
// Get recipients from the form and create a valid list of recipients.
$recipients = array();
if (isset($_POST["recipients"]) && is_array($_POST["recipients"])) {
foreach ($_POST["recipients"] as $id => $dummy) {
$user = phorum_api_user_get($id);
if ($user && $user["active"] == 1) {
$recipients[$id] = $user;
}
}
}
// init error var
$error_msg = "";
// ------------------------------------------------------------------------
// Banlist checking
// ------------------------------------------------------------------------
// Start editor Post message Post reply
if ($page == 'send' || $action == 'post' || ($action == 'list' && isset($pm_id)))
{
$error = phorum_api_ban_check_multi(array(
array($PHORUM["user"]["username"], PHORUM_BAD_NAMES),
array($PHORUM["user"]["email"], PHORUM_BAD_EMAILS),
array($user_id, PHORUM_BAD_USERID),
array(NULL, PHORUM_BAD_IPS),
));
// Show an error in case we encountered a ban.
if (! empty($error)) {
$PHORUM["DATA"]["ERROR"] = $error;
phorum_api_output("message");
return;
}
}
// ------------------------------------------------------------------------
// Perform actions
// ------------------------------------------------------------------------
// Initialize error and ok message.
$error = '';
$okmsg = '';
// init folder list
$pm_folders = $PHORUM['DB']->pm_getfolders(NULL, true);
// Translate button clicks from the read page to appropriate actions.
if (isset($_POST['close_message'])) {
$page = 'list';
} elseif (isset($_POST['delete_message'])) {
$page = 'list';
$_POST['delete'] = 1;
$_POST['checked'] = array($pm_id);
$action = 'list';
} elseif (isset($_POST['move_message'])) {
$page = 'list';
$_POST['move'] = 1;
$_POST['checked'] = array($pm_id);
$action = 'list';
} elseif (isset($_POST['reply']) || isset($_POST['reply_to_all'])) {
$page = 'send';
$action = '';
}
if (!empty($action))
{
// Utility function to check if a foldername already exists.
// No extreme checking with locking here. Technically
// speaking duplicate foldernames will work. It's just
// confusing for the user.
function phorum_pm_folder_exists($foldername)
{
global $pm_folders;
foreach ($pm_folders as $id => $data) {
if (strcasecmp($foldername, $data["name"]) == 0) {
return true;
}
}
return false;
}
// Redirect will be set to a true value if after performing
// the action we want to use a redirect to get to the
// result page. This is done for two reasons:
// 1) Let the result page use refreshed PM data;
// 2) Prevent reloading of the action page (which could for
// example result in duplicate message sending).
// The variable $redirect_message can be set to a language
// key string to have a message displayed after redirection.
$redirect = false;
$redirect_message = '';
switch($action) {
// Actions which are triggered from the folder management interface.
case "folders":
$redirect = false;
$page = "folders";
// Create folder.
if (!empty($_POST['create_folder']))
{
$foldername = trim($_POST["create_folder_name"]);
if ($foldername != '')
{
if (phorum_pm_folder_exists($foldername)) {
$error = $PHORUM["DATA"]["LANG"]["PMFolderExistsError"];
} else {
$PHORUM['DB']->pm_create_folder($foldername);
$redirect_message = "PMFolderCreateSuccess";
$redirect = true;
}
}
}
// Rename a folder.
elseif (!empty($_POST['rename_folder']))
{
$from = $_POST['rename_folder_from'];
$to = trim($_POST['rename_folder_to']);
if (!empty($from) && $to != '') {
if (phorum_pm_folder_exists($to)) {
$error = $PHORUM["DATA"]["LANG"]["PMFolderExistsError"];
} else {
$PHORUM['DB']->pm_rename_folder($from, $to);
$redirect_message = "PMFolderRenameSuccess";
$redirect = true;
}
}
}
// Delete a folder.
elseif (!empty($_POST['delete_folder']))
{
$folder_id = $_POST["delete_folder_target"];
if (!empty($folder_id)) {
$PHORUM['DB']->pm_delete_folder($folder_id);
/**
* [hook]
* pm_delete_folder
*
* [availability]
* Phorum 5 >= 5.2.13
*
* [description]
* This hook can be used for working on deletion of a
* private message folder. E.g. for deleting messages
* in the folder before.
*
* [category]
* Private message system
*
* [when]
* Right before Phorum deletes the private message folder.
*
* [input]
* The id of the private message folder going to be deleted.
*
* [output]
* Same as input.
*
* [example]
* <hookcode>
* function phorum_mod_foo_pm_delete_folder($folder_id)
* {
* // do something with the folder going to be deleted
*
* return $folder_id;
* }
* </hookcode>
*/
if (isset($PHORUM['hooks']['pm_delete_folder'])) {
phorum_api_hook('pm_delete_folder', $folder_id);
}
$redirect_message = "PMFolderDeleteSuccess";
$redirect = true;
// Invalidate user cache, to update message counts.
phorum_api_cache_remove('user',$user_id);
}
}
break;
// Actions which are triggered from the list interface.
case "list":
// Delete all checked messages.
if (isset($_POST["delete"]) && isset($_POST["checked"])) {
foreach($_POST["checked"] as $pm_id) {
if ($PHORUM['DB']->pm_get($pm_id, $folder_id)) {
$PHORUM['DB']->pm_delete($pm_id, $folder_id);
/**
* [hook]
* pm_delete
*
* [availability]
* Phorum 5 >= 5.2.13
*
* [description]
* This hook can be used for working deletion of a
* private message.
*
* [category]
* Private message system
*
* [when]
* Right before Phorum deletes the private message.
*
* [input]
* The id of the private message going to
* be deleted.
*
* [output]
* Same as input.
*
* [example]
* <hookcode>
* function phorum_mod_foo_pm_delete($pm_id)
* {
* // do something with the message that is
* // going to be deleted
* ...
*
* return $pm_id;
* }
* </hookcode>
*/
if (isset($PHORUM['hooks']['pm_delete'])) {
phorum_api_hook('pm_delete', $pm_id);
}
}
}
// Invalidate user cache, to update message counts.
phorum_api_cache_remove('user',$user_id);
}
// Move checked messages to another folder.
elseif (isset($_POST["move"]) && isset($_POST["checked"])) {
$to = $_POST['target_folder'];
if (! empty($to)) {
foreach($_POST["checked"] as $pm_id) {
if ($PHORUM['DB']->pm_get($pm_id, $folder_id)) {
$PHORUM['DB']->pm_move($pm_id, $folder_id, $to);
}
}
}
}
$page = "list";
$redirect = true;
break;
// Actions which are triggered from the post form.
case "post":
// Parse clicks on the image buttons that we use for
// deleting recipients from the list of recipients.
// These are not sent as name=value, but instead
// name_x=xclickoffset and name_y=yclickoffset are sent.
// Also accept normal button clicks with name="del_rcpt::<id>",
// so template builders can use that.
$del_rcpt = NULL;
foreach ($_POST as $key => $val) {
if (preg_match('/^del_rcpt::(\d+)(_x)?$/', $key, $m)) {
$del_rcpt = $m[1];
break;
}
}
// Determine what action to perform.
$action = "post";
if (isset($_POST["preview"])) $action = "preview";
if (isset($_POST["rcpt_add"])) $action = "rcpt_add";
if (!is_null($del_rcpt)) $action = "del_rcpt";
// Adding a recipient.
if ($action == "rcpt_add" || $action == "preview" || $action == "post") {
/**
* [hook]
* pm_recipient_add
*
* [description]
* This hook can be used to handle adding recipients differently
*
* [category]
* Private message system
*
* [when]
* Right before the default handling of adding recipients to a pm is done
*
* [input]
* An array containing the action requested, the page, previously found errors and
* the current recipients of the private message
* More input data can be found from the request in $_POST
*
* [output]
* The same array as the one that was used for the hook call
* argument.
*/
if (isset($PHORUM["hooks"]["pm_recipient_add"]))
list($action,$page,$error,$recipients) =
phorum_api_hook("pm_recipient_add", array($action,$page,$error,$recipients));
// Convert adding a recipient by name to adding by user id.
if (isset($_POST["to_name"])) {
$to_name = trim($_POST["to_name"]);
if ($to_name != '') {
if($PHORUM["display_name_source"] == "username"){
$check_fields = array("username", "real_name");
} else {
$check_fields = array("real_name", "username");
}
foreach($check_fields as $field){
$to_user_ids = phorum_api_user_search($field, $to_name, '=', TRUE);
if(!empty($to_user_ids)){
break;
}
}
if (empty($to_user_ids)) {
$error = $PHORUM["DATA"]["LANG"]["UserNotFound"];
} elseif(count($to_user_ids) > 1){
$error = $PHORUM["DATA"]["LANG"]["DupUserFound"];
} else {
$_POST["to_id"] = array_shift($to_user_ids);
unset($_POST["to_name"]);
}
}
}
// Add a recipient by id.
if (isset($_POST["to_id"]) && is_numeric($_POST["to_id"])) {
$user = phorum_api_user_get($_POST["to_id"]);
if ($user && $user["active"] == PHORUM_USER_ACTIVE) {
$recipients[$user["user_id"]] = $user;
} else {
$error = $PHORUM["DATA"]["LANG"]["UserNotFound"];
}
}
$page = "send";
// Deleting a recipient.
} elseif ($action == "del_rcpt") {
unset($recipients[$del_rcpt]);
$page = "send";
// When deleting a recipient, we always have to
// show the user selection. Put it back in, for
// situations where we had the user selection
// hidden intentionally.
$hide_userselect = 0;
}
// For previewing the message, no action has to be taken.
if ($action == "preview") {
$page = "send";
}
// Posting the message.
elseif ($action == "post") {
// Only send the message if we have at least one recipient.
if (count($recipients)) {
$_POST["subject"] = trim($_POST["subject"]);
$_POST["message"] = trim($_POST["message"]);
// Only send the message if all required message data is filled in.
if ($_POST["subject"] == '' || $_POST["message"] == '') {
$error = $PHORUM["DATA"]["LANG"]["PMRequiredFields"];
// Message data is okay. Post the message.
} else {
if (empty($_POST["keep"])) $_POST["keep"] = 0;
// Check if sender and recipients have not yet reached the
// maximum number of messages that may be stored on the server.
// Administrators may always send PM.
if (!$PHORUM['user']['admin'] && isset($PHORUM['max_pm_messagecount']) && $PHORUM['max_pm_messagecount'])
{
// Build a list of users to check.
$checkusers = $recipients;
if ($_POST['keep']) $checkusers[] = $PHORUM['user'];
// Check all users.
foreach ($checkusers as $user)
{
if ($user['admin']) continue; // No limits for admins
$current_count = $PHORUM['DB']->pm_messagecount(PHORUM_PM_ALLFOLDERS, $user["user_id"]);
$max_allowed_message_count = $PHORUM['max_pm_messagecount'];
/**
* [hook]
* pm_checkmailboxsize
*
* [description]
* This hook can be used to return a different number of allowed
* private messages for a user or do other checks on that data
*
* [category]
* Private message system
*
* [when]
* Right before the maximum number of messages for a given user is
* checked for sending a message
*
* [input]
* An array containing the current user (which is an array of its own),
* his currently counted messages and the currently allowed message-count
*
* [output]
* The same array as the one that was used for the hook call
* argument.
*/
if (isset($PHORUM["hooks"]["pm_checkmailboxsize"]))
list($user,$current_count,$max_allowed_message_count) =
phorum_api_hook("pm_checkmailboxsize", array($user,$current_count,$max_allowed_message_count));
if ($current_count['total'] >= $max_allowed_message_count) {
if ($user['user_id'] == $PHORUM["user"]["user_id"]) {
$error = $PHORUM["DATA"]["LANG"]["PMFromMailboxFull"];
} else {
$error = $PHORUM["DATA"]["LANG"]["PMToMailboxFull"];
$recipient =
(empty($PHORUM["custom_display_name"])
? phorum_api_format_htmlspecialchars($user["display_name"])
: $user["display_name"]);
$error = str_replace('%recipient%', $recipient, $error);
}
}
}
}
/**
* [hook]
* pm_before_send
*
* [availability]
* Phorum 5 >= 5.2.15
*
* [description]
* This hook can be used for doing modifications to
* PM message data that is stored in the database.
* This hook can also be used to apply checks to
* the data that is to be posted and to return an
* error in case the data should not be posted.
*
* [category]
* Private message system
*
* [when]
* Just before the private message is stored in
* the database.
*
* [input]
* An array containing private message data. The
* fields in this data are "subject", "message",
* "recipients" and "keep".
*
* [output]
* The message data, possibly modified. A hook can
* set the field "error" in the data. In that case,
* sending the PM will be halted and the error
* message is shown to the user.
*
* [example]
* <hookcode>
* function phorum_mod_foo_pm_send_init($message, $action)
* {
* if ($message['error'] !== NULL) return $message;
*
* // Enable "keep copy" option by default.
* if ($action === NULL) {
* $message['keep'] = 1;
* }
*
* return $message;
* }
* </hookcode>
*/
$pm_message = array(
'subject' => $_POST['subject'],
'message' => $_POST['message'],
'recipients' => $recipients,
'keep' => $_POST['keep'],
'error' => NULL
);
if (isset($PHORUM['hooks']['pm_before_send'])) {
$pm_message = phorum_api_hook('pm_before_send', $pm_message);
if ($pm_message['error']) {
$error = $pm_message['error'];
}
}
// Send the private message if no errors occurred.
if (empty($error)) {
$pm_message_id = $PHORUM['DB']->pm_send($pm_message["subject"], $pm_message["message"], array_keys($pm_message['recipients']), NULL, $pm_message["keep"]);
$pm_message['pm_message_id'] = $pm_message_id;
$pm_message['from_username'] = $PHORUM['user']['display_name'];
$pm_message['user_id'] = $user_id;
// Show an error in case of problems.
if (! $pm_message_id) {
$error = $PHORUM["DATA"]["LANG"]["PMNotSent"];
// Do e-mail notifications on successful sending.
} elseif (!empty($PHORUM['allow_pm_email_notify'])) {
phorum_api_mail_pm_notify($pm_message, $pm_message['recipients']);
}
if (isset($PHORUM["hooks"]["pm_sent"])) {
phorum_api_hook("pm_sent", $pm_message, array_keys($pm_message['recipients']));
}
}
// Invalidate user cache, to update message counts.
phorum_api_cache_remove('user', $user_id);
foreach ($recipients as $rcpt) {
phorum_api_cache_remove('user', $rcpt["user_id"]);
}
$redirect_message = "PMSent";
$page = "list";
$folder_id = "inbox";
}
} else {
$error = $PHORUM["DATA"]["LANG"]["PMNoRecipients"];
}
// Stay on the post page in case of errors. Redirect on success.
if ($error) {
$page = "send";
} else {
$redirect = true;
}
}
break;
// Actions that are triggered from the buddy list.
case "buddies":
// Delete all checked buddies.
if (isset($_POST["delete"]) && isset($_POST["checked"])) {
foreach($_POST["checked"] as $buddy_user_id) {
$PHORUM['DB']->pm_buddy_delete($buddy_user_id);
if (isset($PHORUM["hooks"]["buddy_delete"]))
phorum_api_hook("buddy_delete", $buddy_user_id);
}
}
// Send a PM to the checked buddies.
if (isset($_POST["send_pm"]) && isset($_POST["checked"])) {
$pm_rcpts = $_POST["checked"];
if (count($pm_rcpts)) {
$redirect = true;
$page = "send";
} else {
unset($pm_rcpts);
}
}
break;
// Add a user to this user's buddy list.
case "addbuddy":
$buddy_user_id = $PHORUM["args"]["addbuddy_id"];
if (!empty($buddy_user_id)) {
if ($PHORUM['DB']->pm_buddy_add($buddy_user_id)) {
$okmsg = $PHORUM["DATA"]["LANG"]["BuddyAddSuccess"];
if (isset($PHORUM["hooks"]["buddy_add"]))
phorum_api_hook("buddy_add", $buddy_user_id);
} else {
$error = $PHORUM["DATA"]["LANG"]["BuddyAddFail"];
}
}
break;
default:
trigger_error(
"Unhandled action for pm.php: " . phorum_api_format_htmlspecialchars($action),
E_USER_ERROR
);
}
// The action has been completed successfully.
// Redirect the user to the result page.
if ($redirect)
{
$args = array(
PHORUM_PM_URL,
"page=" . $page,
"folder_id=" . $folder_id,
);
if (isset($pm_rcpts)) $args[] = "to_id=" . implode(':', $pm_rcpts);
if (!empty($pm_id)) $args[] = "pm_id=" . $pm_id;
if (!empty($redirect_message)) $args[] = "okmsg=" . $redirect_message;
$redir_url = call_user_func_array('phorum_api_url', $args);
phorum_api_redirect($redir_url);
}
}
// ------------------------------------------------------------------------
// Display a PM page
// ------------------------------------------------------------------------
if(empty($PHORUM["DATA"]["HEADING"])){
$PHORUM["DATA"]["HEADING"] = $PHORUM["DATA"]["LANG"]["PrivateMessages"];
}
// unset default description
$PHORUM['DATA']['DESCRIPTION'] = '';
$PHORUM['DATA']['HTML_DESCRIPTION'] = '';
// Use the message list as the default page.
if (!$page){
$page = "list";
$folder_id = PHORUM_PM_INBOX;
}
// Show an OK message for a redirected page?
$okmsg_id = phorum_getparam('okmsg');
if ($okmsg_id && isset($PHORUM["DATA"]["LANG"][$okmsg_id])) {
$okmsg = $PHORUM["DATA"]["LANG"][$okmsg_id];
}
// Make error and OK messages available in the template.
$PHORUM["DATA"]["ERROR"] = (empty($error)) ? "" : $error;
$PHORUM["DATA"]["OKMSG"] = (empty($okmsg)) ? "" : $okmsg;
$template = "";
switch ($page) {
// Manage the PM folders.
case "folders":
$PHORUM["DATA"]["CREATE_FOLDER_NAME"] = isset($_POST["create_folder_name"]) ? phorum_api_format_htmlspecialchars($_POST["create_folder_name"]) : '';
$PHORUM["DATA"]["RENAME_FOLDER_NAME"] = isset($_POST["rename_folder_name"]) ? phorum_api_format_htmlspecialchars($_POST["rename_folder_name"]) : '';
$template = "pm_folders";
break;
// Manage the buddies.
case "buddies":
// Retrieve a list of users that are buddies for the current user.
$buddy_list = $PHORUM['DB']->pm_buddy_list(NULL, true);
if (count($buddy_list)) {
$buddy_users = phorum_api_user_get(array_keys($buddy_list));
} else {
$buddy_users = array();
}
// Sort the buddies by name.
function phorum_sort_buddy_list($a,$b) {
return strcasecmp($a["display_name"], $b["display_name"]);
}
uasort($buddy_users, 'phorum_sort_buddy_list');
$buddies = array();
foreach ($buddy_users as $id => $buddy_user) {
$buddy = array(
'user_id' => $id,
'display_name' =>
(empty($PHORUM["custom_display_name"])
? phorum_api_format_htmlspecialchars($buddy_user["display_name"])
: $buddy_user["display_name"]),
'mutual' => $buddy_list[$id]["mutual"],
);
$buddy["URL"]["PROFILE"] =
phorum_api_url(PHORUM_PROFILE_URL, $buddy_user["user_id"]);
if (!$buddy_user['hide_activity']) {
$buddy["raw_date_last_active"] = $buddy_user["date_last_active"];
$buddy["date_last_active"] = phorum_api_format_date($PHORUM["short_date_time"], $buddy_user["date_last_active"]);
} else {
$buddy["date_last_active"] = "-";
}
$buddies[$id] = $buddy;
}
/**
* [hook]
* buddy_list
*
* [availability]
* Phorum 5 >= 5.2.7
*
* [description]
* This hook can be used for reformatting a list of buddies.
* Reformatting could mean things like changing the sort
* order or modifying the fields in the buddy arrays.
*
* [category]
* Buddy system
*
* [when]
* Right after Phorum has formatted the buddy list. This is
* primarily done when the list of buddies is shown in the
* private message system.
*
* [input]
* An array of buddy info arrays. Each info array contains a
* couple of fields that describe the budy: user_id,
* display_name, mutual (0 = not mutual, 1 = mutual),
* URL->PROFILE, date_last_active (formatted date) and
* raw_date_last_active (Epoch timestamp).
*
* [output]
* The same array as was used for the hook call argument,
* possibly with some updated fields in it.
*
* [example]
* <hookcode>
* function phorum_mod_foo_buddy_list($buddies)
* {
* // Add a CSS class around the display names for
* // the mutual buddies (of course this could also
* // easily be implemented as a pure template change,
* // but remember that this is just an example).
* foreach ($buddies as $id => $buddy)
* {
* if ($buddy['mutual'])
* {
* $buddies[$id]['display_name'] =
* '<span class="mutual_buddy">' .
* $buddy['display_name'] .
* '</span>';
* }
* }
*
* return $buddies;
* }
* </hookcode>
*/
if (isset($PHORUM['hooks']['buddy_list'])) {
$buddies = phorum_api_hook('buddy_list', $buddies);
}
$PHORUM["DATA"]["USERTRACK"] = $PHORUM["track_user_activity"];
$PHORUM["DATA"]["BUDDIES"] = $buddies;
$PHORUM["DATA"]["BUDDYCOUNT"] = count($buddies);
$PHORUM["DATA"]["PMLOCATION"] = $PHORUM["DATA"]["LANG"]["Buddies"];
$template = "pm_buddies";
break;
// Show a listing of messages in a folder.
case "list":
// Check if the folder exists for the user.
if (! isset($pm_folders[$folder_id])) {
$PHORUM["DATA"]["BLOCK_CONTENT"] = $PHORUM["DATA"]["LANG"]["PMFolderNotAvailable"];
$template = "stdblock";
}
else
{
$list = $PHORUM['DB']->pm_list($folder_id);
// Prepare data for the templates (formatting and XSS prevention).
$list = phorum_pm_format($list);
/**
* [hook]
* pm_list
*
* [availability]
* Phorum 5 >= 5.2.7
*
* [description]
* This hook can be used for reformatting a list of
* private messages.
*
* [category]
* Private message system
*
* [when]
* Right after Phorum has formatted the private message list.
* This is primarily done when a list of private messages is
* shown in the private message system.
*
* [input]
* An array of private message info arrays.
*
* [output]
* The same array as was used for the hook call argument,
* possibly with some updated fields in it.
*
* [example]
* <hookcode>
* function phorum_mod_foo_pm_list($messages)
* {
* // Filter out private messages that are sent by
* // evil user X with user_id 666.
* foreach ($messages as $id => $message) {
* if ($message['user_id'] == 666) {
* unset($messages[$id]);
* }
* }
* return $messages;
* }
* </hookcode>
*/
if (isset($PHORUM['hooks']['pm_list'])) {
$list = phorum_api_hook('pm_list', $list);
}
// Setup template variables.
$PHORUM["DATA"]["MESSAGECOUNT"] = count($list);
$PHORUM["DATA"]["MESSAGES"] = $list;
$PHORUM["DATA"]["PMLOCATION"] = $pm_folders[$folder_id]["name"];
$template = "pm_list";
}
break;
// Read a single private message.
case "read":
if (($message=$PHORUM['DB']->pm_get($pm_id, $folder_id))) {
// Mark the message read.
if (! $message['read_flag']) {
$PHORUM['DB']->pm_setflag($message["pm_message_id"], PHORUM_PM_READ_FLAG, true);
// Invalidate user cache, to update message counts.
phorum_api_cache_remove('user',$user_id);
}
// Run the message through the default message formatting.
list($message) = phorum_pm_format(array($message));
// We do not want to show a recipient list if there are a
// lot of recipients.
$message["show_recipient_list"] = ($message["recipient_count"]<10);
/**
* [hook]
* pm_read
*