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< ? php
/**
* Name : Libravatar Support
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* Description : If there is no avatar image for a new user or contact this addon will look for one at Libravatar . Please disable Gravatar addon if you use this one . ( requires PHP >= 5.3 )
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* Version : 1.1
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* Author : Klaus Weidenbach < http :// friendica . dszdw . net / profile / klaus >
*/
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use Friendica\Core\Addon ;
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use Friendica\Core\Config ;
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use Friendica\Core\L10n ;
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/**
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* Installs the addon hook
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*/
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function libravatar_install ()
{
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if ( ! version_compare ( PHP_VERSION , '5.3.0' , '>=' )) {
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info ( L10n :: t ( 'Could NOT install Libravatar successfully.<br>It requires PHP >= 5.3' ) . EOL );
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// avoid registering the hook
return false ;
}
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Addon :: registerHook ( 'avatar_lookup' , 'addon/libravatar/libravatar.php' , 'libravatar_lookup' );
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logger ( " registered libravatar in avatar_lookup hook " );
}
/**
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* Removes the addon hook
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*/
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function libravatar_uninstall ()
{
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Addon :: unregisterHook ( 'avatar_lookup' , 'addon/libravatar/libravatar.php' , 'libravatar_lookup' );
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logger ( " unregistered libravatar in avatar_lookup hook " );
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}
/**
* Looks up the avatar at Libravatar and returns the URL .
*
* @ param $a array
* @ param & $b array
*/
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function libravatar_lookup ( $a , & $b )
{
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$default_avatar = Config :: get ( 'libravatar' , 'default_img' );
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if ( ! $default_avatar ) {
// if not set, look up if there was one from the gravatar addon
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$default_avatar = Config :: get ( 'gravatar' , 'default_img' );
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// setting default avatar if nothing configured
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if ( ! $default_avatar ) {
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$default_avatar = 'identicon' ; // default image will be a random pattern
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}
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}
require_once 'Services/Libravatar.php' ;
$libravatar = new Services_Libravatar ();
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$libravatar -> setSize ( $b [ 'size' ]);
$libravatar -> setDefault ( $default_avatar );
$avatar_url = $libravatar -> getUrl ( $b [ 'email' ]);
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$b [ 'url' ] = $avatar_url ;
$b [ 'success' ] = true ;
}
/**
* Display admin settings for this addon
*/
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function libravatar_addon_admin ( & $a , & $o )
{
$t = get_markup_template ( " admin.tpl " , " addon/libravatar " );
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$default_avatar = Config :: get ( 'libravatar' , 'default_img' );
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// set default values for first configuration
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if ( ! $default_avatar ) {
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$default_avatar = 'identicon' ; // pseudo-random geometric pattern based on email hash
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}
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// Available options for the select boxes
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$default_avatars = [
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'mm' => L10n :: t ( 'generic profile image' ),
'identicon' => L10n :: t ( 'random geometric pattern' ),
'monsterid' => L10n :: t ( 'monster face' ),
'wavatar' => L10n :: t ( 'computer generated face' ),
'retro' => L10n :: t ( 'retro arcade style face' ),
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];
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// Show warning if PHP version is too old
if ( ! version_compare ( PHP_VERSION , '5.3.0' , '>=' )) {
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$o = '<h5>' . L10n :: t ( 'Warning' ) . '</h5><p>' ;
$o .= sprintf ( L10n :: t ( 'Your PHP version %s is lower than the required PHP >= 5.3.' ), PHP_VERSION );
$o .= '<br>' . L10n :: t ( 'This addon is not functional on your server.' ) . '<p><br>' ;
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return ;
}
// Libravatar falls back to gravatar, so show warning about gravatar addon if enabled
$r = q ( " SELECT * FROM `addon` WHERE `name` = '%s' and `installed` = 1 " ,
dbesc ( 'gravatar' )
);
if ( count ( $r )) {
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$o = '<h5>' . L10n :: t ( 'Information' ) . '</h5><p>' . L10n :: t ( 'Gravatar addon is installed. Please disable the Gravatar addon.<br>The Libravatar addon will fall back to Gravatar if nothing was found at Libravatar.' ) . '</p><br><br>' ;
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}
// output Libravatar settings
$o .= '<input type="hidden" name="form_security_token" value="' . get_form_security_token ( " libravatarsave " ) . '">' ;
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$o .= replace_macros ( $t , [
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'$submit' => L10n :: t ( 'Save Settings' ),
'$default_avatar' => [ 'avatar' , L10n :: t ( 'Default avatar image' ), $default_avatar , L10n :: t ( 'Select default avatar image if none was found. See README' ), $default_avatars ],
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]);
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}
/**
* Save admin settings
*/
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function libravatar_addon_admin_post ( & $a )
{
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check_form_security_token ( 'libravatarrsave' );
$default_avatar = (( x ( $_POST , 'avatar' )) ? notags ( trim ( $_POST [ 'avatar' ])) : 'identicon' );
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Config :: set ( 'libravatar' , 'default_img' , $default_avatar );
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info ( L10n :: t ( 'Libravatar settings updated.' ) . EOL );
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}