From b668db242de35f13de0b317ceaa209574458e9c8 Mon Sep 17 00:00:00 2001
From: Robert Ros <robert@robertros.nl>
Date: Thu, 18 Sep 2014 21:33:22 +0200
Subject: [PATCH] Convert the MySQL charset to utf8mb4 to support the full
 range of unicode characters

---
 inc/poche/Database.class.php |  8 +++++---
 install/index.php            |  6 ++++--
 install/mysql.sql            | 12 ++++++------
 3 files changed, 15 insertions(+), 11 deletions(-)

diff --git a/inc/poche/Database.class.php b/inc/poche/Database.class.php
index dfd7ae349..7aaf97401 100755
--- a/inc/poche/Database.class.php
+++ b/inc/poche/Database.class.php
@@ -24,15 +24,17 @@ class Database {
         switch (STORAGE) {
             case 'sqlite':
                 // Check if /db is writeable
-                if ( !is_writable(STORAGE_SQLITE) || !is_writable(dirname(STORAGE_SQLITE))) {
+                if ( !is_writable(STORAGE_SQLITE) || !is_writable(dirname(STORAGE_SQLITE))) {
                 	die('An error occured: "db" directory must be writeable for your web server user!');
                 }
                 $db_path = 'sqlite:' . STORAGE_SQLITE;
                 $this->handle = new PDO($db_path);
                 break;
             case 'mysql':
-                $db_path = 'mysql:host=' . STORAGE_SERVER . ';dbname=' . STORAGE_DB;
-                $this->handle = new PDO($db_path, STORAGE_USER, STORAGE_PASSWORD);
+                $db_path = 'mysql:host=' . STORAGE_SERVER . ';dbname=' . STORAGE_DB . ';charset=utf8mb4';
+                $this->handle = new PDO($db_path, STORAGE_USER, STORAGE_PASSWORD, array(
+                    PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8mb4',
+                ));
                 break;
             case 'postgres':
                 $db_path = 'pgsql:host=' . STORAGE_SERVER . ';dbname=' . STORAGE_DB;
diff --git a/install/index.php b/install/index.php
index 1ae782a2b..2b080c167 100755
--- a/install/index.php
+++ b/install/index.php
@@ -101,12 +101,14 @@ else if (isset($_POST['install'])) {
                 $content = file_get_contents('inc/poche/config.inc.php');
 
                 if ($_POST['db_engine'] == 'mysql') {
-                    $db_path = 'mysql:host=' . $_POST['mysql_server'] . ';dbname=' . $_POST['mysql_database'];
+                    $db_path = 'mysql:host=' . $_POST['mysql_server'] . ';dbname=' . $_POST['mysql_database'] . ';charset=utf8mb4';
                     $content = str_replace("define ('STORAGE_SERVER', 'localhost');", "define ('STORAGE_SERVER', '".$_POST['mysql_server']."');", $content);
                     $content = str_replace("define ('STORAGE_DB', 'poche');", "define ('STORAGE_DB', '".$_POST['mysql_database']."');", $content);
                     $content = str_replace("define ('STORAGE_USER', 'poche');", "define ('STORAGE_USER', '".$_POST['mysql_user']."');", $content);
                     $content = str_replace("define ('STORAGE_PASSWORD', 'poche');", "define ('STORAGE_PASSWORD', '".$_POST['mysql_password']."');", $content);
-                    $handle = new PDO($db_path, $_POST['mysql_user'], $_POST['mysql_password']); 
+                    $handle = new PDO($db_path, $_POST['mysql_user'], $_POST['mysql_password'], array(
+                        PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8mb4',
+                    ));
 
                     $sql_structure = file_get_contents('install/mysql.sql');
                 }
diff --git a/install/mysql.sql b/install/mysql.sql
index de5640e4a..1b65cd35a 100644
--- a/install/mysql.sql
+++ b/install/mysql.sql
@@ -3,7 +3,7 @@ CREATE TABLE IF NOT EXISTS `config` (
   `name` varchar(255) NOT NULL,
   `value` varchar(255) NOT NULL,
   PRIMARY KEY (`id`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
 
 CREATE TABLE IF NOT EXISTS `entries` (
   `id` int(11) NOT NULL AUTO_INCREMENT,
@@ -14,7 +14,7 @@ CREATE TABLE IF NOT EXISTS `entries` (
   `content` blob NOT NULL,
   `user_id` int(11) NOT NULL,
   PRIMARY KEY (`id`)
-) ENGINE=InnoDB  DEFAULT CHARSET=utf8;
+) ENGINE=InnoDB  DEFAULT CHARSET=utf8mb4;
 
 CREATE TABLE IF NOT EXISTS `users` (
   `id` int(11) NOT NULL AUTO_INCREMENT,
@@ -23,7 +23,7 @@ CREATE TABLE IF NOT EXISTS `users` (
   `name` varchar(255) NOT NULL,
   `email` varchar(255) NOT NULL,
   PRIMARY KEY (`id`)
-) ENGINE=InnoDB  DEFAULT CHARSET=utf8;
+) ENGINE=InnoDB  DEFAULT CHARSET=utf8mb4;
 
 CREATE TABLE IF NOT EXISTS `users_config` (
   `id` int(11) NOT NULL AUTO_INCREMENT,
@@ -31,13 +31,13 @@ CREATE TABLE IF NOT EXISTS `users_config` (
   `name` varchar(255) NOT NULL,
   `value` varchar(255) NOT NULL,
   PRIMARY KEY (`id`)
-) ENGINE=InnoDB  DEFAULT CHARSET=utf8;
+) ENGINE=InnoDB  DEFAULT CHARSET=utf8mb4;
 
 CREATE TABLE IF NOT EXISTS `tags` (
   `id` int(11) NOT NULL AUTO_INCREMENT,
   `value` varchar(255) NOT NULL,
   PRIMARY KEY (`id`)
-) ENGINE=InnoDB  DEFAULT CHARSET=utf8;
+) ENGINE=InnoDB  DEFAULT CHARSET=utf8mb4;
 
 CREATE TABLE IF NOT EXISTS `tags_entries` (
   `id` int(11) NOT NULL AUTO_INCREMENT,
@@ -46,4 +46,4 @@ CREATE TABLE IF NOT EXISTS `tags_entries` (
   FOREIGN KEY(entry_id) REFERENCES entries(id) ON DELETE CASCADE,
   FOREIGN KEY(tag_id) REFERENCES tags(id) ON DELETE CASCADE,
   PRIMARY KEY (`id`)
-) ENGINE=InnoDB  DEFAULT CHARSET=utf8;
+) ENGINE=InnoDB  DEFAULT CHARSET=utf8mb4;