when i try to add new plugins and themes in wordpress centos 7 getting error message

I successfully installed all component for my own web server. Centos7

when i try to add new plugins and themes getting error message

Error : Plugins list An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the support forums. Try again

SELINUX=enforcing if Changes to **SELINUX=disabled ** all are working fine

and i dnt want to disable SELINUX

image kink >> http://s20.pixxxels.org/dn042stwt/Capture.4674567_PNG.png

this way i installed wordpress

adduser demo passwd demo gpasswd -a demo wheel

su - demo sudo yum clean all sudo yum update -y

sudo yum install httpd mariadb mariadb-server php php-common php-mysql php-gd php-xml php-mbstring php-mcrypt php-xmlrpc unzip wget -y

sudo systemctl start httpd sudo systemctl start mariadb sudo systemctl enable httpd sudo systemctl enable mariadb

sudo mysql_secure_installation << Press enter

Set root password? [Y/n] y

New password: <-- yourrootsqlpassword Re-enter new password: <-- yourrootsqlpassword

Remove anonymous users? [Y/n] y Disallow root login remotely? [Y/n] y Remove test database and access to it? [Y/n] y Reload privilege tables now? [Y/n] y

mysql -u root -p

MariaDB [(none)]>CREATE DATABASE wordpress; MariaDB [(none)]>GRANT ALL PRIVILEGES on wordpress.* to ‘user’@‘localhost’ identified by ‘password’; MariaDB [(none)]>FLUSH PRIVILEGES; MariaDB [(none)]>exit

wget http://wordpress.org/latest.tar.gz tar -xzvf latest.tar.gz

sudo cp -avr wordpress/* /var/www/html/ sudo restorecon -r /var/www/html

sudo mkdir /var/www/html/wp-content/uploads sudo chown -R apache:apache /var/www/html/ sudo chmod -R 755 /var/www/html/

cd /var/www/html/ sudo mv wp-config-sample.php wp-config.php sudo nano wp-config.php

define(‘DB_NAME’, ‘wordpress’); define(‘DB_USER’, ‘user’); define(‘DB_PASSWORD’, ‘password’);

sudo firewall-cmd --permanent --zone=public --add-service=http sudo firewall-cmd --permanent --zone=public --add-service=https sudo firewall-cmd --reload

please help me to rectify the add new theme plugin error with out disabling SELINUX