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< ? php
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/**
* Shimmie Installer
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*
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* @ package Shimmie
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* @ copyright Copyright ( c ) 2007 - 2015 , Shish et al .
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* @ author Shish [ webmaster at shishnet . org ], jgen [ jeffgenovy at gmail . com ]
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* @ link http :// code . shishnet . org / shimmie2 /
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* @ license http :// opensource . org / licenses / gpl - 2.0 . php GNU General Public License v2
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*
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* Initialise the database , check that folder
* permissions are set properly .
*
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* This file should be independent of the database
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* and other such things that aren ' t ready yet
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*/
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// TODO: Rewrite the entire installer and make it more readable.
ob_start ();
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date_default_timezone_set ( 'UTC' );
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?>
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<! DOCTYPE html >
< html >
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< head >
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< title > Shimmie Installation </ title >
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< link rel = " shortcut icon " href = " ext/handle_static/static/favicon.ico " >
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< link rel = " stylesheet " href = " lib/shimmie.css " type = " text/css " >
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< script type = " text/javascript " src = " vendor/bower-asset/jquery/dist/jquery.min.js " ></ script >
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</ head >
< body >
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< ? php if ( FALSE ) { ?>
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< div id = " installer " >
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< h1 > Install Error </ h1 >
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< div class = " container " >
< p > Shimmie needs to be run via a web server with PHP support -- you
appear to be either opening the file from your hard disk , or your
web server is mis - configured and doesn ' t know how to handle PHP files .</ p >
< p > If you ' ve installed a web server on your desktop PC , you probably
want to visit < a href = " http://localhost/ " > the local web server </ a >.< br />< br />
</ p >
</ div >
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</ div >
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< pre style = " display:none " >
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< ? php } elseif ( ! file_exists ( " vendor/ " )) { ?>
< div id = " installer " >
< h1 > Install Error </ h1 >
< h3 > Warning : Composer vendor folder does not exist !</ h3 >
< div class = " container " >
< p > Shimmie is unable to find the composer vendor directory .< br >
Have you followed the composer setup instructions found in the < a href = " https://github.com/shish/shimmie2#installation-development " > README </ a > ? </>
< p > If you are not intending to do any development with Shimmie , it is highly recommend you use one of the pre - packaged releases found on < a href = " https://github.com/shish/shimmie2/releases " > Github </ a > instead .</ p >
</ div >
</ div >
< pre style = " display:none " >
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< ? php }
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assert_options ( ASSERT_ACTIVE , 1 );
assert_options ( ASSERT_BAIL , 1 );
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// Pull in necessary files
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require_once " core/exceptions.php " ;
require_once " core/cacheengine.php " ;
require_once " core/dbengine.php " ;
require_once " core/database.php " ;
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if ( is_readable ( " data/config/shimmie.conf.php " )) die ( " Shimmie is already installed. " );
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do_install ();
// utilities {{{
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// TODO: Can some of these be pushed into "core/???.inc.php" ?
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function check_gd_version () : int {
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$gdversion = 0 ;
if ( function_exists ( 'gd_info' )){
$gd_info = gd_info ();
if ( substr_count ( $gd_info [ 'GD Version' ], '2.' )) {
$gdversion = 2 ;
} else if ( substr_count ( $gd_info [ 'GD Version' ], '1.' )) {
$gdversion = 1 ;
}
}
return $gdversion ;
}
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function check_im_version () : int {
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$convert_check = exec ( " convert " );
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return ( empty ( $convert_check ) ? 0 : 1 );
}
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function eok ( $name , $value ) {
echo " <br> $name ... " ;
if ( $value ) {
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echo " <span style='color: green'>ok</span> \n " ;
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}
else {
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echo " <span style='color: green'>failed</span> \n " ;
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}
}
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// }}}
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function do_install () { // {{{
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if ( file_exists ( " data/config/auto_install.conf.php " )) {
require_once " data/config/auto_install.conf.php " ;
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}
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else if ( @ $_POST [ " database_type " ] == " sqlite " ) {
$id = bin2hex ( random_bytes ( 5 ));
define ( 'DATABASE_DSN' , " sqlite:data/shimmie. { $id } .sqlite " );
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}
else if ( isset ( $_POST [ 'database_type' ]) && isset ( $_POST [ 'database_host' ]) && isset ( $_POST [ 'database_user' ]) && isset ( $_POST [ 'database_name' ])) {
define ( 'DATABASE_DSN' , " { $_POST [ 'database_type' ] } :user= { $_POST [ 'database_user' ] } ;password= { $_POST [ 'database_password' ] } ;host= { $_POST [ 'database_host' ] } ;dbname= { $_POST [ 'database_name' ] } " );
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}
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else {
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ask_questions ();
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return ;
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}
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define ( " DEBUG_SQL " , false );
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define ( " DATABASE_KA " , true );
install_process ();
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} // }}}
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function ask_questions () { // {{{
$warnings = array ();
$errors = array ();
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if ( check_gd_version () == 0 && check_im_version () == 0 ) {
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$errors [] = "
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No thumbnailers could be found - install the imagemagick
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tools ( or the PHP - GD library , if imagemagick is unavailable ) .
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" ;
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}
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else if ( check_im_version () == 0 ) {
$warnings [] = "
The 'convert' command ( from the imagemagick package )
could not be found - PHP - GD can be used instead , but
the size of thumbnails will be limited .
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" ;
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}
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if ( ! function_exists ( 'mb_strlen' )) {
$errors [] = "
The mbstring PHP extension is missing - multibyte languages
( eg non - english languages ) may not work right .
" ;
}
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$drivers = PDO :: getAvailableDrivers ();
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if (
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! in_array ( " mysql " , $drivers ) &&
! in_array ( " pgsql " , $drivers ) &&
! in_array ( " sqlite " , $drivers )
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) {
$errors [] = "
No database connection library could be found ; shimmie needs
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PDO with either Postgres , MySQL , or SQLite drivers
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" ;
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}
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$db_m = in_array ( " mysql " , $drivers ) ? '<option value="mysql">MySQL</option>' : " " ;
$db_p = in_array ( " pgsql " , $drivers ) ? '<option value="pgsql">PostgreSQL</option>' : " " ;
$db_s = in_array ( " sqlite " , $drivers ) ? '<option value="sqlite">SQLite</option>' : " " ;
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$warn_msg = $warnings ? " <h3>Warnings</h3> " . implode ( " \n <p> " , $warnings ) : " " ;
$err_msg = $errors ? " <h3>Errors</h3> " . implode ( " \n <p> " , $errors ) : " " ;
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print <<< EOD
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< div id = " installer " >
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< h1 > Shimmie Installer </ h1 >
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< div class = " container " >
$warn_msg
$err_msg
< h3 > Database Install </ h3 >
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< form action = " index.php " method = " POST " >
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< center >
< table class = 'form' >
< tr >
< th > Type :</ th >
< td >< select name = " database_type " id = " database_type " onchange = " update_qs(); " >
$db_m
$db_p
$db_s
</ select ></ td >
</ tr >
< tr class = " dbconf mysql pgsql " >
< th > Host :</ th >
< td >< input type = " text " name = " database_host " size = " 40 " value = " localhost " ></ td >
</ tr >
< tr class = " dbconf mysql pgsql " >
< th > Username :</ th >
< td >< input type = " text " name = " database_user " size = " 40 " ></ td >
</ tr >
< tr class = " dbconf mysql pgsql " >
< th > Password :</ th >
< td >< input type = " password " name = " database_password " size = " 40 " ></ td >
</ tr >
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< tr class = " dbconf mysql pgsql " >
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< th > DB & nbsp ; Name :</ th >
< td >< input type = " text " name = " database_name " size = " 40 " value = " shimmie " ></ td >
</ tr >
< tr >< td colspan = " 2 " >< input type = " submit " value = " Go! " ></ td ></ tr >
</ table >
</ center >
< script >
$ ( function () {
update_qs ();
});
function update_qs () {
$ ( " .dbconf " ) . hide ();
var seldb = $ ( " #database_type " ) . val () || " none " ;
$ ( " . " + seldb ) . show ();
}
</ script >
</ form >
< h3 > Help </ h3 >
< p class = " dbconf mysql pgsql " >
Please make sure the database you have chosen exists and is empty .< br >
The username provided must have access to create tables within the database .
</ p >
< p class = " dbconf sqlite " >
For SQLite the database name will be a filename on disk , relative to
where shimmie was installed .
</ p >
< p class = " dbconf none " >
Drivers can generally be downloaded with your OS package manager ;
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for Debian / Ubuntu you want php - pgsql , php - mysql , or php - sqlite .
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</ p >
</ div >
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</ div >
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EOD ;
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} // }}}
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/**
* This is where the install really takes place .
*/
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function install_process () { // {{{
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build_dirs ();
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create_tables ();
insert_defaults ();
write_config ();
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} // }}}
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function create_tables () { // {{{
try {
$db = new Database ();
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if ( $db -> count_tables () > 0 ) {
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print <<< EOD
< div id = " installer " >
< h1 > Shimmie Installer </ h1 >
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< h3 > Warning : The Database schema is not empty !</ h3 >
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< div class = " container " >
< p > Please ensure that the database you are installing Shimmie with is empty before continuing .</ p >
< p > Once you have emptied the database of any tables , please hit 'refresh' to continue .</ p >
< br />< br />
</ div >
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</ div >
EOD ;
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exit ( 2 );
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}
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$db -> create_table ( " aliases " , "
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oldtag VARCHAR ( 128 ) NOT NULL ,
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newtag VARCHAR ( 128 ) NOT NULL ,
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PRIMARY KEY ( oldtag )
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" );
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$db -> execute ( " CREATE INDEX aliases_newtag_idx ON aliases(newtag) " , array ());
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$db -> create_table ( " config " , "
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name VARCHAR ( 128 ) NOT NULL ,
value TEXT ,
PRIMARY KEY ( name )
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" );
$db -> create_table ( " users " , "
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id SCORE_AIPK ,
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name VARCHAR ( 32 ) UNIQUE NOT NULL ,
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pass VARCHAR ( 250 ),
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joindate SCORE_DATETIME NOT NULL DEFAULT SCORE_NOW ,
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class VARCHAR ( 32 ) NOT NULL DEFAULT 'user' ,
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email VARCHAR ( 128 )
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" );
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$db -> execute ( " CREATE INDEX users_name_idx ON users(name) " , array ());
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$db -> create_table ( " images " , "
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id SCORE_AIPK ,
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owner_id INTEGER NOT NULL ,
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owner_ip SCORE_INET NOT NULL ,
filename VARCHAR ( 64 ) NOT NULL ,
filesize INTEGER NOT NULL ,
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hash CHAR ( 32 ) UNIQUE NOT NULL ,
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ext CHAR ( 4 ) NOT NULL ,
source VARCHAR ( 255 ),
width INTEGER NOT NULL ,
height INTEGER NOT NULL ,
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posted SCORE_DATETIME NOT NULL DEFAULT SCORE_NOW ,
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locked SCORE_BOOL NOT NULL DEFAULT SCORE_BOOL_N ,
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FOREIGN KEY ( owner_id ) REFERENCES users ( id ) ON DELETE RESTRICT
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" );
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$db -> execute ( " CREATE INDEX images_owner_id_idx ON images(owner_id) " , array ());
$db -> execute ( " CREATE INDEX images_width_idx ON images(width) " , array ());
$db -> execute ( " CREATE INDEX images_height_idx ON images(height) " , array ());
$db -> execute ( " CREATE INDEX images_hash_idx ON images(hash) " , array ());
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$db -> create_table ( " tags " , "
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id SCORE_AIPK ,
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tag VARCHAR ( 64 ) UNIQUE NOT NULL ,
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count INTEGER NOT NULL DEFAULT 0
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" );
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$db -> execute ( " CREATE INDEX tags_tag_idx ON tags(tag) " , array ());
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$db -> create_table ( " image_tags " , "
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image_id INTEGER NOT NULL ,
tag_id INTEGER NOT NULL ,
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UNIQUE ( image_id , tag_id ),
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FOREIGN KEY ( image_id ) REFERENCES images ( id ) ON DELETE CASCADE ,
FOREIGN KEY ( tag_id ) REFERENCES tags ( id ) ON DELETE CASCADE
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" );
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$db -> execute ( " CREATE INDEX images_tags_image_id_idx ON image_tags(image_id) " , array ());
$db -> execute ( " CREATE INDEX images_tags_tag_id_idx ON image_tags(tag_id) " , array ());
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$db -> execute ( " INSERT INTO config(name, value) VALUES('db_version', 11) " );
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$db -> commit ();
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}
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catch ( PDOException $e ) {
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handle_db_errors ( TRUE , " An error occurred while trying to create the database tables necessary for Shimmie. " , $e -> getMessage (), 3 );
} catch ( Exception $e ) {
handle_db_errors ( FALSE , " An unknown error occurred while trying to insert data into the database. " , $e -> getMessage (), 4 );
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}
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} // }}}
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function insert_defaults () { // {{{
try {
$db = new Database ();
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$db -> execute ( " INSERT INTO users(name, pass, joindate, class) VALUES(:name, :pass, now(), :class) " , Array ( " name " => 'Anonymous' , " pass " => null , " class " => 'anonymous' ));
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$db -> execute ( " INSERT INTO config(name, value) VALUES(:name, :value) " , Array ( " name " => 'anon_id' , " value " => $db -> get_last_insert_id ( 'users_id_seq' )));
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if ( check_im_version () > 0 ) {
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$db -> execute ( " INSERT INTO config(name, value) VALUES(:name, :value) " , Array ( " name " => 'thumb_engine' , " value " => 'convert' ));
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}
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$db -> commit ();
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}
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catch ( PDOException $e ) {
handle_db_errors ( TRUE , " An error occurred while trying to insert data into the database. " , $e -> getMessage (), 5 );
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}
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catch ( Exception $e ) {
handle_db_errors ( FALSE , " An unknown error occurred while trying to insert data into the database. " , $e -> getMessage (), 6 );
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}
} // }}}
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function build_dirs () { // {{{
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// *try* and make default dirs. Ignore any errors --
// if something is amiss, we'll tell the user later
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if ( ! file_exists ( " data " )) @ mkdir ( " data " );
if ( ! is_writable ( " data " )) @ chmod ( " data " , 0755 );
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// Clear file status cache before checking again.
clearstatcache ();
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if ( ! file_exists ( " data " ) || ! is_writable ( " data " )) {
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print "
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< div id = 'installer' >
< h1 > Shimmie Installer </ h1 >
< h3 > Directory Permissions Error :</ h3 >
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< div class = 'container' >
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< p > Shimmie needs to have a 'data' folder in its directory , writable by the PHP user .</ p >
< p > If you see this error , if probably means the folder is owned by you , and it needs to be writable by the web server .</ p >
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< p > PHP reports that it is currently running as user : " . $_ENV["USER"] . " ( " . $_SERVER["USER"] . " ) </ p >
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< p > Once you have created this folder and / or changed the ownership of the shimmie folder , hit 'refresh' to continue .</ p >
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< br />< br />
</ div >
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</ div >
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" ;
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exit ( 7 );
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}
} // }}}
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function write_config () { // {{{
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$file_content = '<' . '?php' . " \n " .
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" define('DATABASE_DSN', ' " . DATABASE_DSN . " '); \n " .
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'?' . '>' ;
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if ( ! file_exists ( " data/config " )) {
mkdir ( " data/config " , 0755 , true );
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}
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if ( file_put_contents ( " data/config/shimmie.conf.php " , $file_content , LOCK_EX )) {
header ( " Location: index.php " );
print <<< EOD
< div id = " installer " >
< h1 > Shimmie Installer </ h1 >
< h3 > Things are OK \o /</ h3 >
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< div class = " container " >
< p > If you aren ' t redirected , < a href = " index.php " > click here to Continue </ a >.
</ div >
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</ div >
EOD ;
}
else {
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$h_file_content = htmlentities ( $file_content );
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print <<< EOD
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< div id = " installer " >
< h1 > Shimmie Installer </ h1 >
< h3 > File Permissions Error :</ h3 >
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< div class = " container " >
The web server isn ' t allowed to write to the config file ; please copy
the text below , save it as 'data/config/shimmie.conf.php' , and upload it into the shimmie
folder manually . Make sure that when you save it , there is no whitespace
before the " <?php " or after the " ?> "
< p >< textarea cols = " 80 " rows = " 2 " > $h_file_content </ textarea >
< p > Once done , < a href = " index.php " > click here to Continue </ a >.
< br />< br />
</ div >
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</ div >
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EOD ;
}
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echo " \n " ;
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} // }}}
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function handle_db_errors ( bool $isPDO , string $errorMessage1 , string $errorMessage2 , int $exitCode ) {
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$errorMessage1Extra = ( $isPDO ? " Please check and ensure that the database configuration options are all correct. " : " Please check the server log files for more information. " );
print <<< EOD
< div id = " installer " >
< h1 > Shimmie Installer </ h1 >
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< h3 > Unknown Error :</ h3 >
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< div class = " container " >
< p > { $errorMessage1 } </ p >
< p > { $errorMessage1Extra } </ p >
< p > { $errorMessage2 } </ p >
</ div >
</ div >
EOD ;
exit ( $exitCode );
}
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?>
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</ body >
</ html >
