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< ? php
/**
* poche , a read it later open source system
*
* @ category poche
* @ author Nicolas Lœuillet < support @ inthepoche . com >
* @ copyright 2013
* @ license http :// www . wtfpl . net / see COPYING file
*/
class Poche
{
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public static $canRenderTemplates = true ;
public static $configFileAvailable = true ;
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public $user ;
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public $store ;
public $tpl ;
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public $messages ;
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public $pagination ;
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private $currentTheme = '' ;
private $notInstalledMessage = '' ;
# @todo make this dynamic (actually install themes and save them in the database including author information et cetera)
private $installedThemes = array (
'default' => array ( 'requires' => array ()),
'dark' => array ( 'requires' => array ( 'default' )),
'dmagenta' => array ( 'requires' => array ( 'default' )),
'solarized' => array ( 'requires' => array ( 'default' )),
'solarized-dark' => array ( 'requires' => array ( 'default' ))
);
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public function __construct ()
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{
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if ( ! $this -> configFileIsAvailable ()) {
return ;
}
$this -> init ();
if ( ! $this -> themeIsInstalled ()) {
return ;
}
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$this -> initTpl ();
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if ( ! $this -> systemIsInstalled ()) {
return ;
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}
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$this -> store = new Database ();
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$this -> messages = new Messages ();
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# installation
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if ( ! $this -> store -> isInstalled ()) {
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$this -> install ();
}
}
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private function init ()
{
Tools :: initPhp ();
Session :: $sessionName = 'poche' ;
Session :: init ();
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if ( isset ( $_SESSION [ 'poche_user' ]) && $_SESSION [ 'poche_user' ] != array ()) {
$this -> user = $_SESSION [ 'poche_user' ];
} else {
# fake user, just for install & login screens
$this -> user = new User ();
$this -> user -> setConfig ( $this -> getDefaultConfig ());
}
# l10n
$language = $this -> user -> getConfigValue ( 'language' );
putenv ( 'LC_ALL=' . $language );
setlocale ( LC_ALL , $language );
bindtextdomain ( $language , LOCALE );
textdomain ( $language );
# Pagination
$this -> pagination = new Paginator ( $this -> user -> getConfigValue ( 'pager' ), 'p' );
# Set up theme
$themeDirectory = $this -> user -> getConfigValue ( 'theme' );
if ( $themeDirectory === false ) {
$themeDirectory = DEFAULT_THEME ;
}
$this -> currentTheme = $themeDirectory ;
}
public function configFileIsAvailable () {
if ( ! self :: $configFileAvailable ) {
$this -> notInstalledMessage = 'You have to rename <strong>inc/poche/config.inc.php.new</strong> to <strong>inc/poche/config.inc.php</strong>.' ;
return false ;
}
return true ;
}
public function themeIsInstalled () {
# Twig is an absolute requirement for Poche to function. Abort immediately if the Composer installer hasn't been run yet
if ( ! self :: $canRenderTemplates ) {
$this -> notInstalledMessage = 'Twig does not seem to be installed. Please initialize the Composer installation to automatically fetch dependencies. Have a look at <a href="http://inthepoche.com/?pages/Documentation">the documentation.</a>' ;
return false ;
}
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if ( ! is_writable ( CACHE )) {
$this -> notInstalledMessage = '<h1>error</h1><p>You don\'t have write access on cache directory.</p>' ;
self :: $canRenderTemplates = false ;
return false ;
}
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# Check if the selected theme and its requirements are present
if ( ! is_dir ( THEME . '/' . $this -> getTheme ())) {
$this -> notInstalledMessage = 'The currently selected theme (' . $this -> getTheme () . ') does not seem to be properly installed (Missing directory: ' . THEME . '/' . $this -> getTheme () . ')' ;
self :: $canRenderTemplates = false ;
return false ;
}
foreach ( $this -> installedThemes [ $this -> getTheme ()][ 'requires' ] as $requiredTheme ) {
if ( ! is_dir ( THEME . '/' . $requiredTheme )) {
$this -> notInstalledMessage = 'The required "' . $requiredTheme . '" theme is missing for the current theme (' . $this -> getTheme () . ')' ;
self :: $canRenderTemplates = false ;
return false ;
}
}
return true ;
}
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/**
* all checks before installation .
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* @ todo move HTML to template
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* @ return boolean
*/
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public function systemIsInstalled ()
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{
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$msg = '' ;
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$configSalt = defined ( 'SALT' ) ? constant ( 'SALT' ) : '' ;
if ( empty ( $configSalt )) {
$msg = '<h1>error</h1><p>You have not yet filled in the SALT value in the config.inc.php file.</p>' ;
} else if ( STORAGE == 'sqlite' && ! file_exists ( STORAGE_SQLITE )) {
Tools :: logm ( 'sqlite file doesn\'t exist' );
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$msg = '<h1>error</h1><p>sqlite file doesn\'t exist, you can find it in install folder. Copy it in /db folder.</p>' ;
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} else if ( is_dir ( ROOT . '/install' ) && ! DEBUG_POCHE ) {
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$msg = '<h1>install folder</h1><p>you have to delete the /install folder before using poche.</p>' ;
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} else if ( STORAGE == 'sqlite' && ! is_writable ( STORAGE_SQLITE )) {
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Tools :: logm ( 'you don\'t have write access on sqlite file' );
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$msg = '<h1>error</h1><p>You don\'t have write access on sqlite file.</p>' ;
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}
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if ( ! empty ( $msg )) {
$this -> notInstalledMessage = $msg ;
return false ;
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}
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return true ;
}
public function getNotInstalledMessage () {
return $this -> notInstalledMessage ;
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}
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private function initTpl ()
{
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$loaderChain = new Twig_Loader_Chain ();
# add the current theme as first to the loader chain so Twig will look there first for overridden template files
try {
$loaderChain -> addLoader ( new Twig_Loader_Filesystem ( THEME . '/' . $this -> getTheme ()));
} catch ( Twig_Error_Loader $e ) {
# @todo isInstalled() should catch this, inject Twig later
die ( 'The currently selected theme (' . $this -> getTheme () . ') does not seem to be properly installed (' . THEME . '/' . $this -> getTheme () . ' is missing)' );
}
# add all required themes to the loader chain
foreach ( $this -> installedThemes [ $this -> getTheme ()][ 'requires' ] as $requiredTheme ) {
try {
$loaderChain -> addLoader ( new Twig_Loader_Filesystem ( THEME . '/' . DEFAULT_THEME ));
} catch ( Twig_Error_Loader $e ) {
# @todo isInstalled() should catch this, inject Twig later
die ( 'The required "' . $requiredTheme . '" theme is missing for the current theme (' . $this -> getTheme () . ')' );
}
}
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if ( DEBUG_POCHE ) {
$twig_params = array ();
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} else {
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$twig_params = array ( 'cache' => CACHE );
}
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$this -> tpl = new Twig_Environment ( $loaderChain , $twig_params );
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$this -> tpl -> addExtension ( new Twig_Extensions_Extension_I18n ());
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# filter to display domain name of an url
$filter = new Twig_SimpleFilter ( 'getDomain' , 'Tools::getDomain' );
$this -> tpl -> addFilter ( $filter );
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# filter for reading time
$filter = new Twig_SimpleFilter ( 'getReadingTime' , 'Tools::getReadingTime' );
$this -> tpl -> addFilter ( $filter );
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# filter for simple filenames in config view
$filter = new Twig_SimpleFilter ( 'getPrettyFilename' , function ( $string ) { return str_replace ( ROOT , '' , $string ); });
$this -> tpl -> addFilter ( $filter );
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}
private function install ()
{
Tools :: logm ( 'poche still not installed' );
echo $this -> tpl -> render ( 'install.twig' , array (
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'token' => Session :: getToken (),
'theme' => $this -> getTheme (),
'poche_url' => Tools :: getPocheUrl ()
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));
if ( isset ( $_GET [ 'install' ])) {
if (( $_POST [ 'password' ] == $_POST [ 'password_repeat' ])
&& $_POST [ 'password' ] != " " && $_POST [ 'login' ] != " " ) {
# let's rock, install poche baby !
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if ( $this -> store -> install ( $_POST [ 'login' ], Tools :: encodeString ( $_POST [ 'password' ] . $_POST [ 'login' ])))
{
Session :: logout ();
Tools :: logm ( 'poche is now installed' );
Tools :: redirect ();
}
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}
else {
Tools :: logm ( 'error during installation' );
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Tools :: redirect ();
}
}
exit ();
}
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public function getTheme () {
return $this -> currentTheme ;
}
public function getInstalledThemes () {
$handle = opendir ( THEME );
$themes = array ();
while (( $theme = readdir ( $handle )) !== false ) {
# Themes are stored in a directory, so all directory names are themes
# @todo move theme installation data to database
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if ( ! is_dir ( THEME . '/' . $theme ) || in_array ( $theme , array ( '..' , '.' , '.git' ))) {
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continue ;
}
$current = false ;
if ( $theme === $this -> getTheme ()) {
$current = true ;
}
$themes [] = array ( 'name' => $theme , 'current' => $current );
}
return $themes ;
}
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public function getDefaultConfig ()
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{
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return array (
'pager' => PAGINATION ,
'language' => LANG ,
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'theme' => DEFAULT_THEME
);
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}
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/**
* Call action ( mark as fav , archive , delete , etc . )
*/
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public function action ( $action , Url $url , $id = 0 , $import = FALSE )
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{
switch ( $action )
{
case 'add' :
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$content = $url -> extract ();
if ( $this -> store -> add ( $url -> getUrl (), $content [ 'title' ], $content [ 'body' ], $this -> user -> getId ())) {
Tools :: logm ( 'add link ' . $url -> getUrl ());
$sequence = '' ;
if ( STORAGE == 'postgres' ) {
$sequence = 'entries_id_seq' ;
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}
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$last_id = $this -> store -> getLastId ( $sequence );
if ( DOWNLOAD_PICTURES ) {
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$content = filtre_picture ( $content [ 'body' ], $url -> getUrl (), $last_id );
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Tools :: logm ( 'updating content article' );
$this -> store -> updateContent ( $last_id , $content , $this -> user -> getId ());
}
if ( ! $import ) {
$this -> messages -> add ( 's' , _ ( 'the link has been added successfully' ));
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}
}
else {
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if ( ! $import ) {
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$this -> messages -> add ( 'e' , _ ( 'error during insertion : the link wasn\'t added' ));
Tools :: logm ( 'error during insertion : the link wasn\'t added ' . $url -> getUrl ());
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}
}
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if ( ! $import ) {
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Tools :: redirect ( '?view=home' );
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}
break ;
case 'delete' :
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$msg = 'delete link #' . $id ;
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if ( $this -> store -> deleteById ( $id , $this -> user -> getId ())) {
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if ( DOWNLOAD_PICTURES ) {
remove_directory ( ABS_PATH . $id );
}
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$this -> messages -> add ( 's' , _ ( 'the link has been deleted successfully' ));
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}
else {
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$this -> messages -> add ( 'e' , _ ( 'the link wasn\'t deleted' ));
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$msg = 'error : can\'t delete link #' . $id ;
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}
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Tools :: logm ( $msg );
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Tools :: redirect ();
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break ;
case 'toggle_fav' :
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$this -> store -> favoriteById ( $id , $this -> user -> getId ());
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Tools :: logm ( 'mark as favorite link #' . $id );
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if ( ! $import ) {
Tools :: redirect ();
}
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break ;
case 'toggle_archive' :
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$this -> store -> archiveById ( $id , $this -> user -> getId ());
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Tools :: logm ( 'archive link #' . $id );
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if ( ! $import ) {
Tools :: redirect ();
}
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break ;
default :
break ;
}
}
function displayView ( $view , $id = 0 )
{
$tpl_vars = array ();
switch ( $view )
{
case 'config' :
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$dev = $this -> getPocheVersion ( 'dev' );
$prod = $this -> getPocheVersion ( 'prod' );
$compare_dev = version_compare ( POCHE_VERSION , $dev );
$compare_prod = version_compare ( POCHE_VERSION , $prod );
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$themes = $this -> getInstalledThemes ();
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$tpl_vars = array (
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'themes' => $themes ,
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'dev' => $dev ,
'prod' => $prod ,
'compare_dev' => $compare_dev ,
'compare_prod' => $compare_prod ,
);
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Tools :: logm ( 'config view' );
break ;
case 'view' :
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$entry = $this -> store -> retrieveOneById ( $id , $this -> user -> getId ());
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if ( $entry != NULL ) {
Tools :: logm ( 'view link #' . $id );
$content = $entry [ 'content' ];
if ( function_exists ( 'tidy_parse_string' )) {
$tidy = tidy_parse_string ( $content , array ( 'indent' => true , 'show-body-only' => true ), 'UTF8' );
$tidy -> cleanRepair ();
$content = $tidy -> value ;
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}
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# flattr checking
$flattr = new FlattrItem ();
$flattr -> checkItem ( $entry [ 'url' ]);
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$tpl_vars = array (
'entry' => $entry ,
'content' => $content ,
'flattr' => $flattr
);
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}
else {
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Tools :: logm ( 'error in view call : entry is null' );
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}
break ;
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default : # home, favorites and archive views
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$entries = $this -> store -> getEntriesByView ( $view , $this -> user -> getId ());
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$tpl_vars = array (
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'entries' => '' ,
'page_links' => '' ,
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'nb_results' => '' ,
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);
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# want to display a page too far?
if (( count ( $entries ) % PAGINATION ) + 1 < $_GET [ 'p' ]) {
Tools :: redirect ( '' );
}
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if ( count ( $entries ) > 0 ) {
$this -> pagination -> set_total ( count ( $entries ));
$page_links = $this -> pagination -> page_links ( '?view=' . $view . '&sort=' . $_SESSION [ 'sort' ] . '&' );
$datas = $this -> store -> getEntriesByView ( $view , $this -> user -> getId (), $this -> pagination -> get_limit ());
$tpl_vars [ 'entries' ] = $datas ;
$tpl_vars [ 'page_links' ] = $page_links ;
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$tpl_vars [ 'nb_results' ] = count ( $entries );
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}
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Tools :: logm ( 'display ' . $view . ' view' );
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break ;
}
return $tpl_vars ;
}
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/**
* update the password of the current user .
* if MODE_DEMO is TRUE , the password can ' t be updated .
* @ todo add the return value
* @ todo set the new password in function header like this updatePassword ( $newPassword )
* @ return boolean
*/
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public function updatePassword ()
{
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if ( MODE_DEMO ) {
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$this -> messages -> add ( 'i' , _ ( 'in demo mode, you can\'t update your password' ));
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Tools :: logm ( 'in demo mode, you can\'t do this' );
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Tools :: redirect ( '?view=config' );
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}
else {
if ( isset ( $_POST [ 'password' ]) && isset ( $_POST [ 'password_repeat' ])) {
if ( $_POST [ 'password' ] == $_POST [ 'password_repeat' ] && $_POST [ 'password' ] != " " ) {
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$this -> messages -> add ( 's' , _ ( 'your password has been updated' ));
$this -> store -> updatePassword ( $this -> user -> getId (), Tools :: encodeString ( $_POST [ 'password' ] . $this -> user -> getUsername ()));
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Session :: logout ();
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Tools :: logm ( 'password updated' );
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Tools :: redirect ();
}
else {
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$this -> messages -> add ( 'e' , _ ( 'the two fields have to be filled & the password must be the same in the two fields' ));
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Tools :: redirect ( '?view=config' );
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}
}
}
}
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public function updateTheme ()
{
# no data
if ( empty ( $_POST [ 'theme' ])) {
}
# we are not going to change it to the current theme...
if ( $_POST [ 'theme' ] == $this -> getTheme ()) {
$this -> messages -> add ( 'w' , _ ( 'still using the "' . $this -> getTheme () . '" theme!' ));
Tools :: redirect ( '?view=config' );
}
$themes = $this -> getInstalledThemes ();
$actualTheme = false ;
foreach ( $themes as $theme ) {
if ( $theme [ 'name' ] == $_POST [ 'theme' ]) {
$actualTheme = true ;
break ;
}
}
if ( ! $actualTheme ) {
$this -> messages -> add ( 'e' , _ ( 'that theme does not seem to be installed' ));
Tools :: redirect ( '?view=config' );
}
$this -> store -> updateUserConfig ( $this -> user -> getId (), 'theme' , $_POST [ 'theme' ]);
$this -> messages -> add ( 's' , _ ( 'you have changed your theme preferences' ));
$currentConfig = $_SESSION [ 'poche_user' ] -> config ;
$currentConfig [ 'theme' ] = $_POST [ 'theme' ];
$_SESSION [ 'poche_user' ] -> setConfig ( $currentConfig );
Tools :: redirect ( '?view=config' );
}
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/**
* checks if login & password are correct and save the user in session .
* it redirects the user to the $referer link
* @ param string $referer the url to redirect after login
* @ todo add the return value
* @ return boolean
*/
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public function login ( $referer )
{
if ( ! empty ( $_POST [ 'login' ]) && ! empty ( $_POST [ 'password' ])) {
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$user = $this -> store -> login ( $_POST [ 'login' ], Tools :: encodeString ( $_POST [ 'password' ] . $_POST [ 'login' ]));
if ( $user != array ()) {
# Save login into Session
Session :: login ( $user [ 'username' ], $user [ 'password' ], $_POST [ 'login' ], Tools :: encodeString ( $_POST [ 'password' ] . $_POST [ 'login' ]), array ( 'poche_user' => new User ( $user )));
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$this -> messages -> add ( 's' , _ ( 'welcome to your poche' ));
Tools :: logm ( 'login successful' );
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Tools :: redirect ( $referer );
}
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$this -> messages -> add ( 'e' , _ ( 'login failed: bad login or password' ));
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Tools :: logm ( 'login failed' );
Tools :: redirect ();
} else {
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$this -> messages -> add ( 'e' , _ ( 'login failed: you have to fill all fields' ));
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Tools :: logm ( 'login failed' );
Tools :: redirect ();
}
}
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/**
* log out the poche user . It cleans the session .
* @ todo add the return value
* @ return boolean
*/
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public function logout ()
{
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$this -> user = array ();
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Session :: logout ();
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$this -> messages -> add ( 's' , _ ( 'see you soon!' ));
Tools :: logm ( 'logout' );
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Tools :: redirect ();
}
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/**
* import from Instapaper . poche needs a ./ instapaper - export . html file
* @ todo add the return value
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* @ param string $targetFile the file used for importing
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* @ return boolean
*/
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private function importFromInstapaper ( $targetFile )
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{
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# TODO gestion des articles favs
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$html = new simple_html_dom ();
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$html -> load_file ( $targetFile );
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Tools :: logm ( 'starting import from instapaper' );
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$read = 0 ;
$errors = array ();
foreach ( $html -> find ( 'ol' ) as $ul )
{
foreach ( $ul -> find ( 'li' ) as $li )
{
$a = $li -> find ( 'a' );
$url = new Url ( base64_encode ( $a [ 0 ] -> href ));
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$this -> action ( 'add' , $url , 0 , TRUE );
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if ( $read == '1' ) {
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$sequence = '' ;
if ( STORAGE == 'postgres' ) {
$sequence = 'entries_id_seq' ;
}
$last_id = $this -> store -> getLastId ( $sequence );
$this -> action ( 'toggle_archive' , $url , $last_id , TRUE );
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}
}
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# the second <ol> is for read links
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$read = 1 ;
}
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$this -> messages -> add ( 's' , _ ( 'import from instapaper completed' ));
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Tools :: logm ( 'import from instapaper completed' );
Tools :: redirect ();
}
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/**
* import from Pocket . poche needs a ./ ril_export . html file
* @ todo add the return value
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* @ param string $targetFile the file used for importing
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* @ return boolean
*/
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private function importFromPocket ( $targetFile )
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{
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# TODO gestion des articles favs
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$html = new simple_html_dom ();
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$html -> load_file ( $targetFile );
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Tools :: logm ( 'starting import from pocket' );
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$read = 0 ;
$errors = array ();
foreach ( $html -> find ( 'ul' ) as $ul )
{
foreach ( $ul -> find ( 'li' ) as $li )
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{
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$a = $li -> find ( 'a' );
$url = new Url ( base64_encode ( $a [ 0 ] -> href ));
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$this -> action ( 'add' , $url , 0 , TRUE );
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if ( $read == '1' ) {
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$sequence = '' ;
if ( STORAGE == 'postgres' ) {
$sequence = 'entries_id_seq' ;
}
$last_id = $this -> store -> getLastId ( $sequence );
$this -> action ( 'toggle_archive' , $url , $last_id , TRUE );
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}
}
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# the second <ul> is for read links
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$read = 1 ;
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}
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$this -> messages -> add ( 's' , _ ( 'import from pocket completed' ));
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Tools :: logm ( 'import from pocket completed' );
Tools :: redirect ();
}
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/**
* import from Readability . poche needs a ./ readability file
* @ todo add the return value
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* @ param string $targetFile the file used for importing
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* @ return boolean
*/
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private function importFromReadability ( $targetFile )
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{
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# TODO gestion des articles lus / favs
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$str_data = file_get_contents ( $targetFile );
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$data = json_decode ( $str_data , true );
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Tools :: logm ( 'starting import from Readability' );
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$count = 0 ;
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foreach ( $data as $key => $value ) {
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$url = NULL ;
$favorite = FALSE ;
$archive = FALSE ;
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foreach ( $value as $attr => $attr_value ) {
if ( $attr == 'article__url' ) {
$url = new Url ( base64_encode ( $attr_value ));
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}
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$sequence = '' ;
if ( STORAGE == 'postgres' ) {
$sequence = 'entries_id_seq' ;
}
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if ( $attr_value == 'true' ) {
if ( $attr == 'favorite' ) {
$favorite = TRUE ;
}
if ( $attr == 'archive' ) {
$archive = TRUE ;
}
}
}
# we can add the url
if ( ! is_null ( $url ) && $url -> isCorrect ()) {
$this -> action ( 'add' , $url , 0 , TRUE );
$count ++ ;
if ( $favorite ) {
$last_id = $this -> store -> getLastId ( $sequence );
$this -> action ( 'toggle_fav' , $url , $last_id , TRUE );
}
if ( $archive ) {
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$last_id = $this -> store -> getLastId ( $sequence );
$this -> action ( 'toggle_archive' , $url , $last_id , TRUE );
}
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}
}
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$this -> messages -> add ( 's' , _ ( 'import from Readability completed. ' . $count . ' new links.' ));
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Tools :: logm ( 'import from Readability completed' );
Tools :: redirect ();
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}
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/**
* import datas into your poche
* @ param string $from name of the service to import : pocket , instapaper or readability
* @ todo add the return value
* @ return boolean
*/
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public function import ( $from )
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{
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$providers = array (
'pocket' => 'importFromPocket' ,
'readability' => 'importFromReadability' ,
'instapaper' => 'importFromInstapaper'
);
if ( ! isset ( $providers [ $from ])) {
$this -> messages -> add ( 'e' , _ ( 'Unknown import provider.' ));
Tools :: redirect ();
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}
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$targetDefinition = 'IMPORT_' . strtoupper ( $from ) . '_FILE' ;
$targetFile = constant ( $targetDefinition );
if ( ! defined ( $targetDefinition )) {
$this -> messages -> add ( 'e' , _ ( 'Incomplete inc/poche/define.inc.php file, please define "' . $targetDefinition . '".' ));
Tools :: redirect ();
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}
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if ( ! file_exists ( $targetFile )) {
$this -> messages -> add ( 'e' , _ ( 'Could not find required "' . $targetFile . '" import file.' ));
Tools :: redirect ();
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}
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$this -> $providers [ $from ]( $targetFile );
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}
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/**
* export poche entries in json
* @ return json all poche entries
*/
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public function export ()
{
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$entries = $this -> store -> retrieveAll ( $this -> user -> getId ());
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echo $this -> tpl -> render ( 'export.twig' , array (
'export' => Tools :: renderJson ( $entries ),
));
Tools :: logm ( 'export view' );
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}
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/**
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* Checks online the latest version of poche and cache it
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* @ param string $which 'prod' or 'dev'
* @ return string latest $which version
*/
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private function getPocheVersion ( $which = 'prod' )
{
$cache_file = CACHE . '/' . $which ;
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# checks if the cached version file exists
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if ( file_exists ( $cache_file ) && ( filemtime ( $cache_file ) > ( time () - 86400 ))) {
$version = file_get_contents ( $cache_file );
} else {
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$version = file_get_contents ( 'http://static.inthepoche.com/versions/' . $which );
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file_put_contents ( $cache_file , $version , LOCK_EX );
}
return $version ;
}
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}