diff options
Diffstat (limited to 'include/identity.php')
| -rw-r--r-- | include/identity.php | 799 |
1 files changed, 767 insertions, 32 deletions
diff --git a/include/identity.php b/include/identity.php index e26d2b29f..80f02a9c5 100644 --- a/include/identity.php +++ b/include/identity.php @@ -4,6 +4,21 @@ require_once('include/zot.php'); require_once('include/crypto.php'); +/** + * @function identity_check_service_class($account_id) + * Called when creating a new channel. Checks the account's service class and number + * of current channels to determine whether creating a new channel is within the current + * service class constraints. + * + * @param int $account_id + * Account_id used for this request + * + * @returns array + * 'success' => boolean true if creating a new channel is allowed for this account + * 'message' => if success is false, optional error text + */ + + function identity_check_service_class($account_id) { $ret = array('success' => false, $message => ''); @@ -24,11 +39,22 @@ function identity_check_service_class($account_id) { return $ret; } -// Return an error message if the name is not valid. We're currently only checking -// for an empty name or one that exceeds our storage limit (255 chars). -// 255 chars is probably going to create a mess on some pages. -// Plugins can set additional policies such as full name requirements, character sets, multi-byte -// length, etc. + +/** + * @function validate_channelname($name) + * Determine if the channel name is allowed when creating a new channel. + * This action is pluggable. + * + * @param string $name + * + * @returns nil return if name is valid, or string describing the error state. + * + * We're currently only checking for an empty name or one that exceeds our storage limit (255 chars). + * 255 chars is probably going to create a mess on some pages. + * Plugins can set additional policies such as full name requirements, character sets, multi-byte + * length, etc. + * + */ function validate_channelname($name) { @@ -44,8 +70,13 @@ function validate_channelname($name) { } -// Create the system channel for directory synchronisation - this has no account attached - +/** + * @function create_dir_account() + * Create a system channel - which has no account attached + * + * Currently unused. + * + */ function create_dir_account() { create_identity(array( @@ -57,6 +88,14 @@ function create_dir_account() { )); } +/** + * @channel_total() + * Return the total number of channels on this site. No filtering is performed. + * + * @returns int + * on error returns boolean false + * + */ function channel_total() { $r = q("select channel_id from channel where true"); @@ -66,11 +105,24 @@ function channel_total() { } - -// Required: name, nickname, account_id - -// optional: pageflags - +/** + * @function create_identity($arr) + * Create a new channel + * Also creates the related xchan, hubloc, profile, and "self" abook records, and an + * empty "Friends" group/collection for the new channel + * + * @param array $arr + * 'name' => full name of channel + * 'nickname' => "email/url-compliant" nickname + * 'account_id' => account_id to attach with this channel + * [other identity fields as desired] + * + * @returns array + * 'success' => boolean true or false + * 'message' => optional error text if success is false + * 'channel' => if successful the created channel array + */ + function create_identity($arr) { $a = get_app(); @@ -191,7 +243,7 @@ function create_identity($arr) { $newuid = $ret['channel']['channel_id']; - $r = q("insert into xchan ( xchan_hash, xchan_guid, xchan_guid_sig, xchan_pubkey, xchan_photo_l, xchan_photo_m, xchan_photo_s, xchan_addr, xchan_url, xchan_follow, xchan_name, xchan_network, xchan_photo_date, xchan_name_date ) values ('%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s')", + $r = q("insert into xchan ( xchan_hash, xchan_guid, xchan_guid_sig, xchan_pubkey, xchan_photo_l, xchan_photo_m, xchan_photo_s, xchan_addr, xchan_url, xchan_follow, xchan_connurl, xchan_name, xchan_network, xchan_photo_date, xchan_name_date ) values ('%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s')", dbesc($hash), dbesc($guid), dbesc($sig), @@ -202,6 +254,7 @@ function create_identity($arr) { dbesc($ret['channel']['channel_address'] . '@' . get_app()->get_hostname()), dbesc(z_root() . '/channel/' . $ret['channel']['channel_address']), dbesc(z_root() . '/follow?f=&url=%s'), + dbesc(z_root() . '/poco/' . $ret['channel']['channel_address']), dbesc($ret['channel']['channel_name']), dbesc('zot'), dbesc(datetime_convert()), @@ -254,8 +307,21 @@ function create_identity($arr) { } -// set default identity for account_id to channel_id -// if $force is false only do this if there is no current default + +/** + * @function set_default_login_identity($account_id, $channel_id, $force = true) + * Set default channel to be used on login + * + * @param int $account_id + * login account + * @param int $channel_id + * channel id to set as default for this account + * @param boolean force + * if true, set this default unconditionally + * if $force is false only do this if there is no existing default + * + * @returns nil + */ function set_default_login_identity($account_id,$channel_id,$force = true) { $r = q("select account_default_channel from account where account_id = %d limit 1", @@ -271,6 +337,21 @@ function set_default_login_identity($account_id,$channel_id,$force = true) { } } +/** + * @function identity_basic_export($channel_id) + * Create an array representing the important channel information + * which would be necessary to create a nomadic identity clone. This includes + * most channel resources and connection information with the exception of content. + * + * @param int $channel_id + * Channel_id to export + * + * + * @returns array + * See function for details + * + */ + function identity_basic_export($channel_id) { /* @@ -349,49 +430,703 @@ function identity_basic_export($channel_id) { -function identity_basic_import($arr, $seize_primary = false) { +/** + * + * @function : profile_load(&$a, $nickname, $profile) + * Generate + * @param App $a + * @param string $nickname + * @param string $profile + * + * Summary: Loads a profile into the App structure. + * The function requires a writeable copy of the main App structure, and the nickname + * of a valid channel. + * + * Permissions of the current observer are checked. If a restricted profile is available + * to the current observer, that will be loaded instead of the channel default profile. + * + * The channel owner can set $profile to a valid profile_guid to preview that profile. + * + * The channel default theme is also selected for use, unless over-riden elsewhere. + * + */ + + +function profile_load(&$a, $nickname, $profile = '') { + + logger('profile_load: ' . $nickname . (($profile) ? ' profile: ' . $profile : '')); + + $user = q("select channel_id from channel where channel_address = '%s' limit 1", + dbesc($nickname) + ); + + if(! $user) { + logger('profile error: ' . $a->query_string, LOGGER_DEBUG); + notice( t('Requested channel is not available.') . EOL ); + $a->error = 404; + return; + } + + // get the current observer + $observer = $a->get_observer(); + + // Can the observer see our profile? + require_once('include/permissions.php'); + if(! perm_is_allowed($user[0]['channel_id'],$observer['xchan_hash'],'view_profile')) { + // permission denied + notice( t(' Sorry, you don\'t have the permission to view this profile. ') . EOL); + return; + } + + if(! $profile) { + $r = q("SELECT abook_profile FROM abook WHERE abook_xchan = '%s' and abook_channel = '%d' limit 1", + dbesc($observer['xchan_hash']), + intval($user[0]['channel_id']) + ); + if($r) + $profile = $r[0]['abook_profile']; + } + $r = null; + + if($profile) { + $r = q("SELECT profile.uid AS profile_uid, profile.*, channel.* FROM profile + LEFT JOIN channel ON profile.uid = channel.channel_id + WHERE channel.channel_address = '%s' AND profile.profile_guid = '%s' LIMIT 1", + dbesc($nickname), + dbesc($profile) + ); + } + + if(! $r) { + $r = q("SELECT profile.uid AS profile_uid, profile.*, channel.* FROM profile + LEFT JOIN channel ON profile.uid = channel.channel_id + WHERE channel.channel_address = '%s' and not ( channel_pageflags & %d ) + AND profile.is_default = 1 LIMIT 1", + dbesc($nickname), + intval(PAGE_REMOVED) + ); + } + + if(! $r) { + logger('profile error: ' . $a->query_string, LOGGER_DEBUG); + notice( t('Requested profile is not available.') . EOL ); + $a->error = 404; + return; + } + + // fetch user tags if this isn't the default profile + + if(! $r[0]['is_default']) { + $x = q("select `keywords` from `profile` where uid = %d and `is_default` = 1 limit 1", + intval($profile_uid) + ); + if($x) + $r[0]['keywords'] = $x[0]['keywords']; + } - $ret = array('result' => false ); + if($r[0]['keywords']) { + $keywords = str_replace(array('#',',',' ',',,'),array('',' ',',',','),$r[0]['keywords']); + if(strlen($keywords)) + $a->page['htmlhead'] .= '<meta name="keywords" content="' . htmlentities($keywords,ENT_COMPAT,'UTF-8') . '" />' . "\r\n" ; - if($arr['channel']) { - // import channel + } - // create a new xchan (if necessary) + $a->profile = $r[0]; + $a->profile_uid = $r[0]['profile_uid']; - // create a new hubloc and seize control if applicable + $a->page['title'] = $a->profile['channel_name'] . " - " . $a->profile['channel_address'] . "@" . $a->get_hostname(); + $a->profile['channel_mobile_theme'] = get_pconfig(local_user(),'system', 'mobile_theme'); + $_SESSION['theme'] = $a->profile['channel_theme']; + $_SESSION['mobile_theme'] = $a->profile['channel_mobile_theme']; + /** + * load/reload current theme info + */ + + $a->set_template_engine(); // reset the template engine to the default in case the user's theme doesn't specify one + + $theme_info_file = "view/theme/".current_theme()."/php/theme.php"; + if (file_exists($theme_info_file)){ + require_once($theme_info_file); } - if($arr['profile']) { - // FIXME - change profile assignment to a hash instead of an id we have to fix + + return; +} + +function profile_create_sidebar(&$a,$connect = true) { + + $block = (((get_config('system','block_public')) && (! local_user()) && (! remote_user())) ? true : false); + + $a->set_widget('profile',profile_sidebar($a->profile, $block, $connect)); + return; +} +/** + * + * Function: profile_sidebar + * + * Formats a profile for display in the sidebar. + * It is very difficult to templatise the HTML completely + * because of all the conditional logic. + * + * @parameter: array $profile + * + * Returns HTML string stuitable for sidebar inclusion + * Exceptions: Returns empty string if passed $profile is wrong type or not populated + * + */ + + + +function profile_sidebar($profile, $block = 0, $show_connect = true) { + + $a = get_app(); + + $observer = $a->get_observer(); + + $o = ''; + $location = false; + $address = false; + $pdesc = true; + + if((! is_array($profile)) && (! count($profile))) + return $o; + + + head_set_icon($profile['thumb']); + + $is_owner = (($profile['uid'] == local_user()) ? true : false); + + $profile['picdate'] = urlencode($profile['picdate']); + + call_hooks('profile_sidebar_enter', $profile); + + require_once('include/Contact.php'); + + if($show_connect) { + + // This will return an empty string if we're already connected. + + $connect_url = rconnect_url($profile['uid'],get_observer_hash()); + $connect = (($connect_url) ? t('Connect') : ''); + if($connect_url) + $connect_url = sprintf($connect_url,urlencode($profile['channel_address'] . '@' . $a->get_hostname())); + + // premium channel - over-ride + + if($profile['channel_pageflags'] & PAGE_PREMIUM) + $connect_url = z_root() . '/connect/' . $profile['channel_address']; } - if($arr['xchan']) { + // show edit profile to yourself + if($is_owner) { - // import any xchan and hubloc which are not yet available on this site - // Unset primary for all other hubloc on our own record if $seize_primary + $profile['menu'] = array( + 'chg_photo' => t('Change profile photo'), + 'entries' => array(), + ); + if(feature_enabled(local_user(),'multi_profiles')) { + $profile['edit'] = array($a->get_baseurl(). '/profiles', t('Profiles'),"", t('Manage/edit profiles')); + $profile['menu']['cr_new'] = t('Create New Profile'); + } + else + $profile['edit'] = array($a->get_baseurl() . '/profiles/' . $profile['id'], t('Edit Profile'),'',t('Edit Profile')); + + $r = q("SELECT * FROM `profile` WHERE `uid` = %d", + local_user()); + + + if($r) { + foreach($r as $rr) { + $profile['menu']['entries'][] = array( + 'photo' => $rr['thumb'], + 'id' => $rr['id'], + 'alt' => t('Profile Image'), + 'profile_name' => $rr['profile_name'], + 'isdefault' => $rr['is_default'], + 'visible_to_everybody' => t('visible to everybody'), + 'edit_visibility' => t('Edit visibility'), + ); + } + } } - if($arr['abook']) { - // import the abook entries + if((x($profile,'address') == 1) + || (x($profile,'locality') == 1) + || (x($profile,'region') == 1) + || (x($profile,'postal_code') == 1) + || (x($profile,'country_name') == 1)) + $location = t('Location:'); + + $gender = ((x($profile,'gender') == 1) ? t('Gender:') : False); + $marital = ((x($profile,'marital') == 1) ? t('Status:') : False); + $homepage = ((x($profile,'homepage') == 1) ? t('Homepage:') : False); + if(! perm_is_allowed($profile['uid'],((is_array($observer)) ? $observer['xchan_hash'] : ''),'view_profile')) { + $block = true; } + if(($profile['hidewall'] || $block) && (! local_user()) && (! remote_user())) { + $location = $pdesc = $gender = $marital = $homepage = False; + } - if($seize_primary) { + $firstname = ((strpos($profile['name'],' ')) + ? trim(substr($profile['name'],0,strpos($profile['name'],' '))) : $profile['name']); + $lastname = (($firstname === $profile['name']) ? '' : trim(substr($profile['name'],strlen($firstname)))); - // send a refresh message to all our friends, telling them we've moved + if(is_array($observer) + && perm_is_allowed($profile['uid'],$observer['xchan_hash'],'view_contacts')) { + $contact_block = contact_block(); + } + $channel_menu = false; + $menu = get_pconfig($profile['uid'],'system','channel_menu'); + if($menu) { + require_once('include/menu.php'); + $m = menu_fetch($menu,$profile['uid'],$observer['xchan_hash']); + if($m) + $channel_menu = menu_render($m); + } + $menublock = get_pconfig($profile['uid'],'system','channel_menublock'); + if ($menublock && (! $block)) { + require_once('include/comanche.php'); + $channel_menu .= comanche_block($menublock); } + $tpl = get_markup_template('profile_vcard.tpl'); + + $o .= replace_macros($tpl, array( + '$profile' => $profile, + '$connect' => $connect, + '$connect_url' => $connect_url, + '$location' => $location, + '$gender' => $gender, + '$pdesc' => $pdesc, + '$marital' => $marital, + '$homepage' => $homepage, + '$chanmenu' => $channel_menu, + '$contact_block' => $contact_block, + )); - $ret['result'] = true ; - return $ret; + $arr = array('profile' => &$profile, 'entry' => &$o); + call_hooks('profile_sidebar', $arr); + return $o; } + + +// FIXME or remove + + + function get_birthdays() { + + $a = get_app(); + $o = ''; + + if(! local_user()) + return $o; + + $bd_format = t('g A l F d') ; // 8 AM Friday January 18 + $bd_short = t('F d'); + + $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event` + LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid` + WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s' + ORDER BY `start` ASC ", + intval(local_user()), + dbesc(datetime_convert('UTC','UTC','now + 6 days')), + dbesc(datetime_convert('UTC','UTC','now')) + ); + + if($r && count($r)) { + $total = 0; + $now = strtotime('now'); + $cids = array(); + + $istoday = false; + foreach($r as $rr) { + if(strlen($rr['name'])) + $total ++; + if((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) + $istoday = true; + } + $classtoday = $istoday ? ' birthday-today ' : ''; + if($total) { + foreach($r as &$rr) { + if(! strlen($rr['name'])) + continue; + + // avoid duplicates + + if(in_array($rr['cid'],$cids)) + continue; + $cids[] = $rr['cid']; + + $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false); + $sparkle = ''; + $url = $rr['url']; + if($rr['network'] === NETWORK_DFRN) { + $sparkle = " sparkle"; + $url = $a->get_baseurl() . '/redir/' . $rr['cid']; + } + + $rr['link'] = $url; + $rr['title'] = $rr['name']; + $rr['date'] = day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ? ' ' . t('[today]') : ''); + $rr['startime'] = Null; + $rr['today'] = $today; + + } + } + } + $tpl = get_markup_template("birthdays_reminder.tpl"); + return replace_macros($tpl, array( + '$baseurl' => $a->get_baseurl(), + '$classtoday' => $classtoday, + '$count' => $total, + '$event_reminders' => t('Birthday Reminders'), + '$event_title' => t('Birthdays this week:'), + '$events' => $r, + '$lbr' => '{', // raw brackets mess up if/endif macro processing + '$rbr' => '}' + + )); + } + + +// FIXME + + + function get_events() { + + require_once('include/bbcode.php'); + + $a = get_app(); + + if(! local_user()) + return $o; + + $bd_format = t('g A l F d') ; // 8 AM Friday January 18 + $bd_short = t('F d'); + + $r = q("SELECT `event`.* FROM `event` + WHERE `event`.`uid` = %d AND `type` != 'birthday' AND `start` < '%s' AND `start` > '%s' + ORDER BY `start` ASC ", + intval(local_user()), + dbesc(datetime_convert('UTC','UTC','now + 6 days')), + dbesc(datetime_convert('UTC','UTC','now - 1 days')) + ); + + if($r && count($r)) { + $now = strtotime('now'); + $istoday = false; + foreach($r as $rr) { + if(strlen($rr['name'])) + $total ++; + + $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start'],'Y-m-d'); + if($strt === datetime_convert('UTC',$a->timezone,'now','Y-m-d')) + $istoday = true; + } + $classtoday = (($istoday) ? 'event-today' : ''); + + + foreach($r as &$rr) { + if($rr['adjust']) + $md = datetime_convert('UTC',$a->timezone,$rr['start'],'Y/m'); + else + $md = datetime_convert('UTC','UTC',$rr['start'],'Y/m'); + $md .= "/#link-".$rr['id']; + + $title = substr(strip_tags(bbcode($rr['desc'])),0,32) . '... '; + if(! $title) + $title = t('[No description]'); + + $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start']); + $today = ((substr($strt,0,10) === datetime_convert('UTC',$a->timezone,'now','Y-m-d')) ? true : false); + + $rr['link'] = $md; + $rr['title'] = $title; + $rr['date'] = day_translate(datetime_convert('UTC', $rr['adjust'] ? $a->timezone : 'UTC', $rr['start'], $bd_format)) . (($today) ? ' ' . t('[today]') : ''); + $rr['startime'] = $strt; + $rr['today'] = $today; + } + } + + $tpl = get_markup_template("events_reminder.tpl"); + return replace_macros($tpl, array( + '$baseurl' => $a->get_baseurl(), + '$classtoday' => $classtoday, + '$count' => count($r), + '$event_reminders' => t('Event Reminders'), + '$event_title' => t('Events this week:'), + '$events' => $r, + )); + } + + +function advanced_profile(&$a) { + + if(! perm_is_allowed($a->profile['profile_uid'],get_observer_hash(),'view_profile')) + return ''; + + $o = ''; + + $o .= '<h2>' . t('Profile') . '</h2>'; + + if($a->profile['name']) { + + $tpl = get_markup_template('profile_advanced.tpl'); + + $profile = array(); + + $profile['fullname'] = array( t('Full Name:'), $a->profile['name'] ) ; + + if($a->profile['gender']) $profile['gender'] = array( t('Gender:'), $a->profile['gender'] ); + + + if(($a->profile['dob']) && ($a->profile['dob'] != '0000-00-00')) { + + $year_bd_format = t('j F, Y'); + $short_bd_format = t('j F'); + + + $val = ((intval($a->profile['dob'])) + ? day_translate(datetime_convert('UTC','UTC',$a->profile['dob'] . ' 00:00 +00:00',$year_bd_format)) + : day_translate(datetime_convert('UTC','UTC','2001-' . substr($a->profile['dob'],5) . ' 00:00 +00:00',$short_bd_format))); + + $profile['birthday'] = array( t('Birthday:'), $val); + + } + + if($age = age($a->profile['dob'],$a->profile['timezone'],'')) $profile['age'] = array( t('Age:'), $age ); + + + if($a->profile['marital']) $profile['marital'] = array( t('Status:'), $a->profile['marital']); + + + if($a->profile['with']) $profile['marital']['with'] = $a->profile['with']; + + if(strlen($a->profile['howlong']) && $a->profile['howlong'] !== '0000-00-00 00:00:00') { + $profile['howlong'] = relative_date($a->profile['howlong'], t('for %1$d %2$s')); + } + + if($a->profile['sexual']) $profile['sexual'] = array( t('Sexual Preference:'), $a->profile['sexual'] ); + + if($a->profile['homepage']) $profile['homepage'] = array( t('Homepage:'), linkify($a->profile['homepage']) ); + + if($a->profile['hometown']) $profile['hometown'] = array( t('Hometown:'), linkify($a->profile['hometown']) ); + + if($a->profile['keywords']) $profile['keywords'] = array( t('Tags:'), $a->profile['keywords']); + + if($a->profile['politic']) $profile['politic'] = array( t('Political Views:'), $a->profile['politic']); + + if($a->profile['religion']) $profile['religion'] = array( t('Religion:'), $a->profile['religion']); + + if($txt = prepare_text($a->profile['about'])) $profile['about'] = array( t('About:'), $txt ); + + if($txt = prepare_text($a->profile['interest'])) $profile['interest'] = array( t('Hobbies/Interests:'), $txt); + + if($txt = prepare_text($a->profile['likes'])) $profile['likes'] = array( t('Likes:'), $txt); + + if($txt = prepare_text($a->profile['dislikes'])) $profile['dislikes'] = array( t('Dislikes:'), $txt); + + + if($txt = prepare_text($a->profile['contact'])) $profile['contact'] = array( t('Contact information and Social Networks:'), $txt); + + if($txt = prepare_text($a->profile['music'])) $profile['music'] = array( t('Musical interests:'), $txt); + + if($txt = prepare_text($a->profile['book'])) $profile['book'] = array( t('Books, literature:'), $txt); + + if($txt = prepare_text($a->profile['tv'])) $profile['tv'] = array( t('Television:'), $txt); + + if($txt = prepare_text($a->profile['film'])) $profile['film'] = array( t('Film/dance/culture/entertainment:'), $txt); + + if($txt = prepare_text($a->profile['romance'])) $profile['romance'] = array( t('Love/Romance:'), $txt); + + if($txt = prepare_text($a->profile['work'])) $profile['work'] = array( t('Work/employment:'), $txt); + + if($txt = prepare_text($a->profile['education'])) $profile['education'] = array( t('School/education:'), $txt ); + + $r = q("select * from obj left join term on obj_obj = term_hash where term_hash != '' and obj_page = '%s' and uid = %d and obj_type = %d + order by obj_verb, term", + dbesc($a->profile['profile_guid']), + intval($a->profile['profile_uid']), + intval(TERM_OBJ_THING) + ); + + $things = null; + + if($r) { + $things = array(); + + // Use the system obj_verbs array as a sort key, since we don't really + // want an alphabetic sort. To change the order, use a plugin to + // alter the obj_verbs() array or alter it in code. Unknown verbs come + // after the known ones - in no particular order. + + $v = obj_verbs(); + foreach($v as $k => $foo) + $things[$k] = null; + foreach($r as $rr) { + if(! $things[$rr['obj_verb']]) + $things[$rr['obj_verb']] = array(); + $things[$rr['obj_verb']][] = array('term' => $rr['term'],'url' => $rr['url'],'img' => $rr['imgurl']); + } + $sorted_things = array(); + if($things) + foreach($things as $k => $v) + if(is_array($things[$k])) + $sorted_things[$k] = $v; + } + + logger('mod_profile: things: ' . print_r($sorted_things,true), LOGGER_DATA); + + return replace_macros($tpl, array( + '$title' => t('Profile'), + '$profile' => $profile, + '$things' => $sorted_things + )); + } + + return ''; +} + + + + +function get_my_url() { + if(x($_SESSION,'zrl_override')) + return $_SESSION['zrl_override']; + if(x($_SESSION,'my_url')) + return $_SESSION['my_url']; + return false; +} + +function get_my_address() { + if(x($_SESSION,'zid_override')) + return $_SESSION['zid_override']; + if(x($_SESSION,'my_address')) + return $_SESSION['my_address']; + return false; +} + +/** + * @function zid_init(&$a) + * If somebody arrives at our site using a zid, add their xchan to our DB if we don't have it already. + * And if they aren't already authenticated here, attempt reverse magic auth. + * + * @hooks 'zid_init' + * string 'zid' - their zid + * string 'url' - the destination url + * + */ + +function zid_init(&$a) { + $tmp_str = get_my_address(); + if(validate_email($tmp_str)) { + proc_run('php','include/gprobe.php',bin2hex($tmp_str)); + $arr = array('zid' => $tmp_str, 'url' => $a->cmd); + call_hooks('zid_init',$arr); + if((! local_user()) && (! remote_user())) { + logger('zid_init: not authenticated. Invoking reverse magic-auth for ' . $tmp_str); + $r = q("select * from hubloc where hubloc_addr = '%s' order by hubloc_id desc limit 1", + dbesc($tmp_str) + ); + // try to avoid recursion - but send them home to do a proper magic auth + $dest = '/' . $a->query_string; + $dest = str_replace(array('?zid=','&zid='),array('?rzid=','&rzid='),$dest); + if($r && ($r[0]['hubloc_url'] != z_root()) && (! strstr($dest,'/magic')) && (! strstr($dest,'/rmagic'))) { + goaway($r[0]['hubloc_url'] . '/magic' . '?f=&rev=1&dest=' . z_root() . $dest); + } + else + logger('zid_init: no hubloc found.'); + } + } +} + +/** + * @function zid($s,$address = '') + * Adds a zid parameter to a url + * @param string $s + * The url to accept the zid + * @param boolean $address + * $address to use instead of session environment + * @return string + * + * @hooks 'zid' + * string url - url to accept zid + * string zid - urlencoded zid + * string result - the return string we calculated, change it if you want to return something else + */ + + +function zid($s,$address = '') { + if(! strlen($s) || strpos($s,'zid=')) + return $s; + $has_params = ((strpos($s,'?')) ? true : false); + $num_slashes = substr_count($s,'/'); + if(! $has_params) + $has_params = ((strpos($s,'&')) ? true : false); + $achar = strpos($s,'?') ? '&' : '?'; + + $mine = get_my_url(); + $myaddr = (($address) ? $address : get_my_address()); + + // FIXME checking against our own channel url is no longer reliable. We may have a lot + // of urls attached to out channel. Should probably match against our site, since we + // will not need to remote authenticate on our own site anyway. + + if($mine && $myaddr && (! link_compare($mine,$s))) + $zurl = $s . (($num_slashes >= 3) ? '' : '/') . $achar . 'zid=' . urlencode($myaddr); + else + $zurl = $s; + + $arr = array('url' => $s, 'zid' => urlencode($myaddr), 'result' => $zurl); + call_hooks('zid', $arr); + return $arr['result']; +} + +// Used from within PCSS themes to set theme parameters. If there's a +// puid request variable, that is the "page owner" and normally their theme +// settings take precedence; unless a local user sets the "always_my_theme" +// system pconfig, which means they don't want to see anybody else's theme +// settings except their own while on this site. + +function get_theme_uid() { + $uid = (($_REQUEST['puid']) ? intval($_REQUEST['puid']) : 0); + if(local_user()) { + if((get_pconfig(local_user(),'system','always_my_theme')) || (! $uid)) + return local_user(); + if(! $uid) + return local_user(); + } + return $uid; +} + +/** + * @function get_default_profile_photo($size = 175) + * Retrieves the path of the default_profile_photo for this system + * with the specified size. + * @param int $size + * one of (175, 80, 48) + * @returns string + * + */ + +function get_default_profile_photo($size = 175) { + $scheme = get_config('system','default_profile_photo'); + if(! $scheme) + $scheme = 'rainbow_man'; + return 'images/default_profile_photos/' . $scheme . '/' . $size . '.jpg'; +} + + + +
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