1 files changed, 151 insertions, 0 deletions
diff --git a/platform/www/lib/plugins/farmer/admin/setup.php b/platform/www/lib/plugins/farmer/admin/setup.php
new file mode 100644
index 0000000..f836ae5
--- /dev/null
+++ b/platform/www/lib/plugins/farmer/admin/setup.php
@@ -0,0 +1,151 @@
+<?php
+/**
+ * DokuWiki Plugin farmer (Admin Component)
+ *
+ * @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html
+ * @author  Michael Große <grosse@cosmocode.de>
+ * @author  Andreas Gohr <gohr@cosmocode.de>
+ */
+
+// must be run within Dokuwiki
+if(!defined('DOKU_INC')) die();
+
+/**
+ * Setup the farm by creating preload.php etc
+ */
+class admin_plugin_farmer_setup extends DokuWiki_Admin_Plugin {
+
+    /** @var helper_plugin_farmer $helper */
+    private $helper;
+
+    /**
+     * @return bool admin only!
+     */
+    public function forAdminOnly() {
+        return true;
+    }
+
+    /**
+     * Should carry out any processing required by the plugin.
+     */
+    public function handle() {
+        global $INPUT;
+        global $ID;
+
+        if(!$INPUT->bool('farmdir')) return;
+        if(!checkSecurityToken()) return;
+
+        $this->helper = plugin_load('helper', 'farmer');
+
+        $farmdir = trim($INPUT->str('farmdir', ''));
+        if($farmdir[0] !== '/') $farmdir = DOKU_INC . $farmdir;
+        $farmdir = fullpath($farmdir);
+
+        $errors = array();
+        if($farmdir === '') {
+            $errors[] = $this->getLang('farmdir_missing');
+        } elseif($this->helper->isInPath($farmdir, DOKU_INC) !== false) {
+            $errors[] = sprintf($this->getLang('farmdir_in_dokuwiki'), hsc($farmdir), hsc(DOKU_INC));
+        } elseif(!io_mkdir_p($farmdir)) {
+            $errors[] = sprintf($this->getLang('farmdir_uncreatable'), hsc($farmdir));
+        } elseif(!is_writeable($farmdir)) {
+            $errors[] = sprintf($this->getLang('farmdir_unwritable'), hsc($farmdir));
+        } elseif(count(scandir($farmdir)) > 2) {
+            $errors[] = sprintf($this->getLang('farmdir_notEmpty'), hsc($farmdir));
+        }
+
+        if($errors) {
+            foreach($errors as $error) {
+                msg($error, -1);
+            }
+            return;
+        }
+
+        // create the files
+        $ok = $this->createPreloadPHP();
+        if($ok && $INPUT->bool('htaccess')) $ok &= $this->createHtaccess();
+        if($ok) $ok &= $this->createFarmIni($farmdir);
+
+        if($ok) {
+            msg($this->getLang('preload creation success'), 1);
+            $link = wl($ID, array('do' => 'admin', 'page' => 'farmer', 'sub' => 'config'), true, '&');
+            send_redirect($link);
+        } else {
+            msg($this->getLang('preload creation error'), -1);
+        }
+    }
+
+    /**
+     * Render HTML output, e.g. helpful text and a form
+     */
+    public function html() {
+        // Is preload.php already enabled?
+        if(file_exists(DOKU_INC . 'inc/preload.php')) {
+            msg($this->getLang('overwrite_preload'), -1);
+        }
+
+        $form = new \dokuwiki\Form\Form();
+        $form->addClass('plugin_farmer');
+        $form->addFieldsetOpen($this->getLang('preloadPHPForm'));
+        $form->addTextInput('farmdir', $this->getLang('farm dir'));
+        $form->addCheckbox('htaccess', $this->getLang('htaccess setup'))->attr('checked', 'checked');
+        $form->addButton('farmer__submit', $this->getLang('submit'))->attr('type', 'submit');
+        $form->addFieldsetClose();
+        echo $form->toHTML();
+
+    }
+
+    /**
+     * Creates the preload that loads our farm controller
+     * @return bool true if saving was successful
+     */
+    protected function createPreloadPHP() {
+        $content = "<?php\n";
+        $content .= "# farm setup by farmer plugin\n";
+        $content .= "if(file_exists(__DIR__ . '/../lib/plugins/farmer/DokuWikiFarmCore.php')) {\n";
+        $content .= "    include(__DIR__ . '/../lib/plugins/farmer/DokuWikiFarmCore.php');\n";
+        $content .= "}\n";
+        return io_saveFile(DOKU_INC . 'inc/preload.php', $content);
+    }
+
+    /**
+     * Prepends the needed config to the main .htaccess for htaccess type setups
+     *
+     * @return bool true if saving was successful
+     */
+    protected function createHtaccess() {
+        // load existing or template
+        if(file_exists(DOKU_INC . '.htaccess')) {
+            $old = io_readFile(DOKU_INC . '.htaccess');
+        } elseif(file_exists(DOKU_INC . '.htaccess.dist')) {
+            $old = io_readFile(DOKU_INC . '.htaccess.dist');
+        } else {
+            $old = '';
+        }
+
+        $content = "# Options added for farm setup by farmer plugin:\n";
+        $content .= "RewriteEngine On\n";
+        $content .= 'RewriteRule ^!([^/]+)/(.*)  $2?animal=$1 [QSA,DPI]' . "\n";
+        $content .= 'RewriteRule ^!([^/]+)$      ?animal=$1 [QSA,DPI]' . "\n";
+        $content .= 'Options +FollowSymLinks' . "\n";
+        $content .= '# end of farm configuration' . "\n\n";
+        $content .= $old;
+        return io_saveFile(DOKU_INC . '.htaccess', $content);
+    }
+
+    /**
+     * Creates the initial configuration
+     *
+     * @param $animalpath
+     * @return bool true if saving was successful
+     */
+    protected function createFarmIni($animalpath) {
+        $content = "; farm config created by the farmer plugin\n\n";
+        $content .= "[base]\n";
+        $content .= "farmdir = $animalpath\n";
+        $content .= "farmhost = {$_SERVER['HTTP_HOST']}\n";
+        return io_saveFile(DOKU_INC . 'conf/farm.ini', $content);
+    }
+}
+
+// vim:ts=4:sw=4:et: