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Command input processing now has centralized places for looking up notice, user/profile, and group arguments.

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OStatus plugin overrides these to allow using webfinger (user@example.com), profile URL (http://example.com/user) and bare profile URL (example.com/user) as arguments.
This commit is contained in:
Brion Vibber 2010-03-08 14:01:43 -08:00
parent 927a368d0e
commit 80a17387bf
2 changed files with 279 additions and 156 deletions
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335
lib/command.php
View File

@ -1,7 +1,7 @@
<?php
/*
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2008, 2009, StatusNet, Inc.
* Copyright (C) 2008, 2009, 2010 StatusNet, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
@ -31,15 +31,147 @@ class Command
$this->user = $user;
}
function execute($channel)
/**
* Execute the command and send success or error results
* back via the given communications channel.
*
* @param Channel
*/
public function execute($channel)
{
try {
$this->handle($channel);
} catch (CommandException $e) {
$channel->error($this->user, $e->getMessage());
} catch (Exception $e) {
common_log(LOG_ERR, "Error handling " . get_class($this) . ": " . $e->getMessage());
$channel->error($this->user, $e->getMessage());
}
}
/**
* Override this with the meat!
*
* An error to send back to the user may be sent by throwing
* a CommandException with a formatted message.
*
* @param Channel
* @throws CommandException
*/
function handle($channel)
{
return false;
}
/**
* Look up a notice from an argument, by poster's name to get last post
* or notice_id prefixed with #.
*
* @return Notice
* @throws CommandException
*/
function getNotice($arg)
{
$notice = null;
if (Event::handle('StartCommandGetNotice', array($this, $arg, &$notice))) {
if(substr($this->other,0,1)=='#'){
// A specific notice_id #123
$notice = Notice::staticGet(substr($arg,1));
if (!$notice) {
throw new CommandException(_('Notice with that id does not exist'));
}
}
if (Validate::uri($this->other)) {
// A specific notice by URI lookup
$notice = Notice::staticGet('uri', $arg);
}
if (!$notice) {
// Local or remote profile name to get their last notice.
// May throw an exception and report 'no such user'
$recipient = $this->getProfile($arg);
$notice = $recipient->getCurrentNotice();
if (!$notice) {
throw new CommandException(_('User has no last notice'));
}
}
}
Event::handle('EndCommandGetNotice', array($this, $arg, &$notice));
if (!$notice) {
throw new CommandException(_('Notice with that id does not exist'));
}
return $notice;
}
/**
* Look up a local or remote profile by nickname.
*
* @return Profile
* @throws CommandException
*/
function getProfile($arg)
{
$profile = null;
if (Event::handle('StartCommandGetProfile', array($this, $arg, &$profile))) {
$profile =
common_relative_profile($this->user, common_canonical_nickname($arg));
}
Event::handle('EndCommandGetProfile', array($this, $arg, &$profile));
if (!$profile) {
throw new CommandException(sprintf(_('Could not find a user with nickname %s'), $arg));
}
return $profile;
}
/**
* Get a local user by name
* @return User
* @throws CommandException
*/
function getUser($arg)
{
$user = null;
if (Event::handle('StartCommandGetUser', array($this, $arg, &$user))) {
$user = User::staticGet('nickname', $arg);
}
Event::handle('EndCommandGetUser', array($this, $arg, &$user));
if (!$user){
throw new CommandException(sprintf(_('Could not find a local user with nickname %s'),
$arg));
}
return $user;
}
/**
* Get a local or remote group by name.
* @return User_group
* @throws CommandException
*/
function getGroup($arg)
{
$group = null;
if (Event::handle('StartCommandGetGroup', array($this, $arg, &$group))) {
$group = User_group::getForNickname($arg, $this->user->getProfile());
}
Event::handle('EndCommandGetGroup', array($this, $arg, &$group));
if (!$group) {
throw new CommandException(_('No such group.'));
}
return $group;
}
}
class CommandException extends Exception
{
}
class UnimplementedCommand extends Command
{
function execute($channel)
function handle($channel)
{
$channel->error($this->user, _("Sorry, this command is not yet implemented."));
}
@ -81,16 +213,13 @@ class NudgeCommand extends Command
parent::__construct($user);
$this->other = $other;
}
function execute($channel)
function handle($channel)
{
$recipient = User::staticGet('nickname', $this->other);
if(! $recipient){
$channel->error($this->user, sprintf(_('Could not find a user with nickname %s'),
$this->other));
}else{
$recipient = $this->getUser($this->other);
if ($recipient->id == $this->user->id) {
$channel->error($this->user, _('It does not make a lot of sense to nudge yourself!'));
}else{
throw new CommandException(_('It does not make a lot of sense to nudge yourself!'));
} else {
if ($recipient->email && $recipient->emailnotifynudge) {
mail_notify_nudge($this->user, $recipient);
}
@ -100,7 +229,6 @@ class NudgeCommand extends Command
$recipient->nickname));
}
}
}
}
class InviteCommand extends UnimplementedCommand
@ -115,7 +243,7 @@ class InviteCommand extends UnimplementedCommand
class StatsCommand extends Command
{
function execute($channel)
function handle($channel)
{
$profile = $this->user->getProfile();
@ -142,34 +270,9 @@ class FavCommand extends Command
$this->other = $other;
}
function execute($channel)
function handle($channel)
{
if(substr($this->other,0,1)=='#'){
//favoriting a specific notice_id
$notice = Notice::staticGet(substr($this->other,1));
if (!$notice) {
$channel->error($this->user, _('Notice with that id does not exist'));
return;
}
$recipient = $notice->getProfile();
}else{
//favoriting a given user's last notice
$recipient =
common_relative_profile($this->user, common_canonical_nickname($this->other));
if (!$recipient) {
$channel->error($this->user, _('No such user.'));
return;
}
$notice = $recipient->getCurrentNotice();
if (!$notice) {
$channel->error($this->user, _('User has no last notice'));
return;
}
}
$notice = $this->getNotice($this->other);
$fave = Fave::addNew($this->user, $notice);
if (!$fave) {
@ -177,7 +280,10 @@ class FavCommand extends Command
return;
}
$other = User::staticGet('id', $recipient->id);
// @fixme favorite notification should be triggered
// at a lower level
$other = User::staticGet('id', $notice->profile_id);
if ($other && $other->id != $user->id) {
if ($other->email && $other->emailnotifyfav) {
@ -191,6 +297,7 @@ class FavCommand extends Command
}
}
class JoinCommand extends Command
{
var $other = null;
@ -201,18 +308,11 @@ class JoinCommand extends Command
$this->other = $other;
}
function execute($channel)
function handle($channel)
{
$nickname = common_canonical_nickname($this->other);
$group = User_group::staticGet('nickname', $nickname);
$group = $this->getGroup($this->other);
$cur = $this->user;
if (!$group) {
$channel->error($cur, _('No such group.'));
return;
}
if ($cur->isMember($group)) {
$channel->error($cur, _('You are already a member of that group'));
return;
@ -249,11 +349,9 @@ class DropCommand extends Command
$this->other = $other;
}
function execute($channel)
function handle($channel)
{
$nickname = common_canonical_nickname($this->other);
$group = User_group::staticGet('nickname', $nickname);
$group = $this->getGroup($this->other);
$cur = $this->user;
if (!$group) {
@ -293,15 +391,9 @@ class WhoisCommand extends Command
$this->other = $other;
}
function execute($channel)
function handle($channel)
{
$recipient =
common_relative_profile($this->user, common_canonical_nickname($this->other));
if (!$recipient) {
$channel->error($this->user, _('No such user.'));
return;
}
$recipient = $this->getProfile($this->other);
$whois = sprintf(_("%1\$s (%2\$s)"), $recipient->nickname,
$recipient->profileurl);
@ -332,9 +424,18 @@ class MessageCommand extends Command
$this->text = $text;
}
function execute($channel)
function handle($channel)
{
$other = User::staticGet('nickname', common_canonical_nickname($this->other));
try {
$other = $this->getUser($this->other);
} catch (CommandException $e) {
try {
$profile = $this->getProfile($this->other);
} catch (CommandException $f) {
throw $e;
}
throw new CommandException(sprintf(_('%s is a remote profile; you can only send direct messages to users on the same server.'), $this->other));
}
$len = mb_strlen($this->text);
@ -380,33 +481,9 @@ class RepeatCommand extends Command
$this->other = $other;
}
function execute($channel)
function handle($channel)
{
if(substr($this->other,0,1)=='#'){
//repeating a specific notice_id
$notice = Notice::staticGet(substr($this->other,1));
if (!$notice) {
$channel->error($this->user, _('Notice with that id does not exist'));
return;
}
$recipient = $notice->getProfile();
}else{
//repeating a given user's last notice
$recipient =
common_relative_profile($this->user, common_canonical_nickname($this->other));
if (!$recipient) {
$channel->error($this->user, _('No such user.'));
return;
}
$notice = $recipient->getCurrentNotice();
if (!$notice) {
$channel->error($this->user, _('User has no last notice'));
return;
}
}
$notice = $this->getNotice($this->other);
if($this->user->id == $notice->profile_id)
{
@ -414,7 +491,7 @@ class RepeatCommand extends Command
return;
}
if ($recipient->hasRepeated($notice->id)) {
if ($this->user->getProfile()->hasRepeated($notice->id)) {
$channel->error($this->user, _('Already repeated that notice'));
return;
}
@ -441,33 +518,10 @@ class ReplyCommand extends Command
$this->text = $text;
}
function execute($channel)
function handle($channel)
{
if(substr($this->other,0,1)=='#'){
//replying to a specific notice_id
$notice = Notice::staticGet(substr($this->other,1));
if (!$notice) {
$channel->error($this->user, _('Notice with that id does not exist'));
return;
}
$notice = $this->getNotice($this->other);
$recipient = $notice->getProfile();
}else{
//replying to a given user's last notice
$recipient =
common_relative_profile($this->user, common_canonical_nickname($this->other));
if (!$recipient) {
$channel->error($this->user, _('No such user.'));
return;
}
$notice = $recipient->getCurrentNotice();
if (!$notice) {
$channel->error($this->user, _('User has no last notice'));
return;
}
}
$len = mb_strlen($this->text);
@ -507,17 +561,10 @@ class GetCommand extends Command
$this->other = $other;
}
function execute($channel)
function handle($channel)
{
$target_nickname = common_canonical_nickname($this->other);
$target = $this->getProfile($this->other);
$target =
common_relative_profile($this->user, $target_nickname);
if (!$target) {
$channel->error($this->user, _('No such user.'));
return;
}
$notice = $target->getCurrentNotice();
if (!$notice) {
$channel->error($this->user, _('User has no last notice'));
@ -525,7 +572,7 @@ class GetCommand extends Command
}
$notice_content = $notice->content;
$channel->output($this->user, $target_nickname . ": " . $notice_content);
$channel->output($this->user, $target->nickname . ": " . $notice_content);
}
}
@ -540,7 +587,7 @@ class SubCommand extends Command
$this->other = $other;
}
function execute($channel)
function handle($channel)
{
if (!$this->other) {
@ -548,16 +595,16 @@ class SubCommand extends Command
return;
}
$otherUser = User::staticGet('nickname', $this->other);
$target = $this->getProfile($this->other);
if (empty($otherUser)) {
$channel->error($this->user, _('No such user'));
return;
$remote = Remote_profile::staticGet('id', $target->id);
if ($remote) {
throw new CommandException(_("Can't subscribe to OMB profiles by command."));
}
try {
Subscription::start($this->user->getProfile(),
$otherUser->getProfile());
$target);
$channel->output($this->user, sprintf(_('Subscribed to %s'), $this->other));
} catch (Exception $e) {
$channel->error($this->user, $e->getMessage());
@ -576,22 +623,18 @@ class UnsubCommand extends Command
$this->other = $other;
}
function execute($channel)
function handle($channel)
{
if(!$this->other) {
$channel->error($this->user, _('Specify the name of the user to unsubscribe from'));
return;
}
$otherUser = User::staticGet('nickname', $this->other);
if (empty($otherUser)) {
$channel->error($this->user, _('No such user'));
}
$target = $this->getProfile($this->other);
try {
Subscription::cancel($this->user->getProfile(),
$otherUser->getProfile());
$target);
$channel->output($this->user, sprintf(_('Unsubscribed from %s'), $this->other));
} catch (Exception $e) {
$channel->error($this->user, $e->getMessage());
@ -607,7 +650,7 @@ class OffCommand extends Command
parent::__construct($user);
$this->other = $other;
}
function execute($channel)
function handle($channel)
{
if ($other) {
$channel->error($this->user, _("Command not yet implemented."));
@ -630,7 +673,7 @@ class OnCommand extends Command
$this->other = $other;
}
function execute($channel)
function handle($channel)
{
if ($other) {
$channel->error($this->user, _("Command not yet implemented."));
@ -646,7 +689,7 @@ class OnCommand extends Command
class LoginCommand extends Command
{
function execute($channel)
function handle($channel)
{
$disabled = common_config('logincommand','disabled');
$disabled = isset($disabled) && $disabled;
@ -670,7 +713,7 @@ class LoginCommand extends Command
class SubscriptionsCommand extends Command
{
function execute($channel)
function handle($channel)
{
$profile = $this->user->getSubscriptions(0);
$nicknames=array();
@ -692,7 +735,7 @@ class SubscriptionsCommand extends Command
class SubscribersCommand extends Command
{
function execute($channel)
function handle($channel)
{
$profile = $this->user->getSubscribers();
$nicknames=array();
@ -714,7 +757,7 @@ class SubscribersCommand extends Command
class GroupsCommand extends Command
{
function execute($channel)
function handle($channel)
{
$group = $this->user->getGroups();
$groups=array();
@ -735,7 +778,7 @@ class GroupsCommand extends Command
class HelpCommand extends Command
{
function execute($channel)
function handle($channel)
{
$channel->output($this->user,
_("Commands:\n".

80
plugins/OStatus/OStatusPlugin.php
View File

@ -321,6 +321,86 @@ class OStatusPlugin extends Plugin
return true;
}
/**
* Allow remote profile references to be used in commands:
* sub update@status.net
* whois evan@identi.ca
* reply http://identi.ca/evan hey what's up
*
* @param Command $command
* @param string $arg
* @param Profile &$profile
* @return hook return code
*/
function onStartCommandGetProfile($command, $arg, &$profile)
{
$oprofile = $this->pullRemoteProfile($arg);
if ($oprofile && !$oprofile->isGroup()) {
$profile = $oprofile->localProfile();
return false;
} else {
return true;
}
}
/**
* Allow remote group references to be used in commands:
* join group+statusnet@identi.ca
* join http://identi.ca/group/statusnet
* drop identi.ca/group/statusnet
*
* @param Command $command
* @param string $arg
* @param User_group &$group
* @return hook return code
*/
function onStartCommandGetGroup($command, $arg, &$group)
{
$oprofile = $this->pullRemoteProfile($arg);
if ($oprofile && $oprofile->isGroup()) {
$group = $oprofile->localGroup();
return false;
} else {
return true;
}
}
protected function pullRemoteProfile($arg)
{
$oprofile = null;
if (preg_match('!^((?:\w+\.)*\w+@(?:\w+\.)*\w+(?:\w+\-\w+)*\.\w+)$!', $arg)) {
// webfinger lookup
try {
return Ostatus_profile::ensureWebfinger($arg);
} catch (Exception $e) {
common_log(LOG_ERR, 'Webfinger lookup failed for ' .
$arg . ': ' . $e->getMessage());
}
}
// Look for profile URLs, with or without scheme:
$urls = array();
if (preg_match('!^https?://((?:\w+\.)*\w+(?:\w+\-\w+)*\.\w+(?:/\w+)+)$!', $arg)) {
$urls[] = $arg;
}
if (preg_match('!^((?:\w+\.)*\w+(?:\w+\-\w+)*\.\w+(?:/\w+)+)$!', $arg)) {
$schemes = array('http', 'https');
foreach ($schemes as $scheme) {
$urls[] = "$scheme://$arg";
}
}
foreach ($urls as $url) {
try {
return Ostatus_profile::ensureProfile($url);
} catch (Exception $e) {
common_log(LOG_ERR, 'Profile lookup failed for ' .
$arg . ': ' . $e->getMessage());
}
}
return null;
}
/**
* Make sure necessary tables are filled out.
*/