From 22ee0127205da3470c97222e6ae0f1f13c86b074 Mon Sep 17 00:00:00 2001
From: Tim Almdal <tnalmdal@shaw.ca>
Date: Fri, 9 Jan 2009 18:33:48 +0000
Subject: Stage 1 of the installer. basically check that we can start as far as
 Kohana correctly

---
 installer/controllers/installer.php |  80 ++++++++++++++++
 installer/helpers/system_check.php  | 180 ++++++++++++++++++++++++++++++++++++
 installer/views/installer.html.php  |  48 ++++++++++
 installer/views/installer.txt.2.php | 119 ++++++++++++++++++++++++
 installer/views/installer.txt.php   |  44 +++++++++
 5 files changed, 471 insertions(+)
 create mode 100644 installer/controllers/installer.php
 create mode 100644 installer/helpers/system_check.php
 create mode 100644 installer/views/installer.html.php
 create mode 100644 installer/views/installer.txt.2.php
 create mode 100644 installer/views/installer.txt.php

(limited to 'installer')

diff --git a/installer/controllers/installer.php b/installer/controllers/installer.php
new file mode 100644
index 00000000..9c9491b7
--- /dev/null
+++ b/installer/controllers/installer.php
@@ -0,0 +1,80 @@
+<?php defined("SYSPATH") or die("No direct script access.");
+/**
+ * Gallery - a web based photo album viewer and editor
+ * Copyright (C) 2000-2008 Bharat Mediratta
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+class Installer_Controller extends Template_Controller {
+  public $template = "welcome.html";
+
+  function index() {
+    $this->template->syscheck = new View("install.html");
+    $this->template->syscheck->errors = $this->_get_config_errors();
+    $this->template->syscheck->modules = array();
+  }
+
+  private function _get_config_errors() {
+    $errors = array();
+    if (!file_exists(VARPATH)) {
+      $error = new stdClass();
+      $error->message = "Missing: " . VARPATH;
+      $error->instructions[] = "mkdir " . VARPATH;
+      $error->instructions[] = "chmod 777 " . VARPATH;
+      $errors[] = $error;
+    } else if (!is_writable(VARPATH)) {
+      $error = new stdClass();
+      $error->message = "Not writable: " . VARPATH;
+      $error->instructions[] = "chmod 777 " . VARPATH;
+      $errors[] = $error;
+    }
+
+    $db_php = VARPATH . "database.php";
+    if (!file_exists($db_php)) {
+      $error = new stdClass();
+      $error->message = "Missing: $db_php <br/> Run the following commands...";
+      $error->instructions[] = "cp " . DOCROOT . "kohana/config/database.php $db_php";
+      $error->instructions[] = "chmod 644 $db_php";
+      $error->message2 = "...then edit this file and enter your database configuration settings.";
+      $errors[] = $error;
+    } else if (!is_readable($db_php)) {
+      $error = new stdClass();
+      $error->message = "Not readable: $db_php";
+      $error->instructions[] = "chmod 644 $db_php";
+      $error->message2 = "Then edit this file and enter your database configuration settings.";
+      $errors[] = $error;
+    } else {
+      $old_handler = set_error_handler(array("Welcome_Controller", "_error_handler"));
+      try {
+        Database::instance()->connect();
+      } catch (Exception $e) {
+        $error = new stdClass();
+        $error->message = "Database error: {$e->getMessage()}";
+        $db_name = Kohana::config("database.default.connection.database");
+        if (strchr($error->message, "Unknown database")) {
+          $error->instructions[] = "mysqladmin -uroot create $db_name";
+        } else {
+          $error->instructions = array();
+          $error->message2 = "Check " . VARPATH . "database.php";
+        }
+        $errors[] = $error;
+      }
+      set_error_handler($old_handler);
+    }
+
+    return $errors;
+  }
+
+}
\ No newline at end of file
diff --git a/installer/helpers/system_check.php b/installer/helpers/system_check.php
new file mode 100644
index 00000000..b0bd7e12
--- /dev/null
+++ b/installer/helpers/system_check.php
@@ -0,0 +1,180 @@
+<?php defined("SYSPATH") or die("No direct script access.");
+/**
+ * Gallery - a web based photo album viewer and editor
+ * Copyright (C) 2000-2008 Bharat Mediratta
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+class system_check {
+  private static $messages = array();
+ 
+  public function failed() {
+    $failed = false;
+    if (version_compare(PHP_VERSION, "5.2", "<")) {
+      self::$messages["PHP Version"] = array("error" => true,
+       "text" => sprintf("Gallery3 requires PHP 5.2 or newer, current version: %s.", PHP_VERSION));
+      $failed = true;
+    } else {
+      self::$messages["PHP Version"] = array("error" => false,
+        "text" => PHP_VERSION);
+    }
+
+    
+    if (!(is_dir(SYSPATH) AND is_file(SYSPATH.'core/Bootstrap'.EXT))) {     
+      self::$messages["Kohana Directory"] = array("error" => true,
+        "text" => "The configured Kohana directory does not exist or does not contain the required files.");
+    } else {
+      self::$messages["Kohana Directory"] = array("error" => false,
+        "text" => SYSPATH);
+    }
+                                                                       
+    if (!(is_dir(APPPATH) AND is_file(APPPATH.'config/config'.EXT))) {     
+      self::$messages["Application Directory"] = array("error" => true,
+        "text" => "The configured Gallery3 application directory does not exist or does not contain the required files.");
+      $failed = true;
+    } else {
+      self::$messages["Application Directory"] = array("error" => false,
+        "text" => APPPATH);
+    }
+                                                                            
+    if (!(is_dir(MODPATH))) {     
+      self::$messages["Modules Directory"] = array("error" => true,
+        "text" => "The configured Gallery3 modules directory does not exist or does not contain the required files.");
+      $failed = true;
+    } else {
+      self::$messages["Modules Directory"] = array("error" => false,
+        "text" => MODPATH);
+    }
+                                                                            
+    if (!(is_dir(THEMEPATH))) {     
+      self::$messages["Theme Directory"] = array("error" => true,
+        "text" => "The configured Gallery3 themes directory does not exist or does not contain the required files.");
+      $failed = true;
+    } else {
+      self::$messages["Themes Directory"] = array("error" => false,
+        "text" => THEMEPATH);
+    }
+                                                                            
+    if (!@preg_match("/^.$/u", utf8_encode("\xF1"))) {
+      self::$messages["PCRE UTF-8"] = array("error" => true,
+        "text" => "Perl-Compatible Regular Expressions has not been compiled with UTF-8 support.",
+        "html" => "<a href=\"http://php.net/pcre\">PCRE</a> has not been compiled with UTF-8 support.");
+      $failed = true;
+    } else if (!@preg_match("/^\pL$/u", utf8_encode("\xF1"))) {             
+      self::$messages["PCRE UTF-8"] = array("error" => true,
+        "text" => "Perl-Compatible Regular Expressions has not been compiled with Unicode support.",
+        "html" => "<a href=\"http://php.net/pcre\">PCRE</a> has not been compiled with Unicode property support.");
+      $failed = true;
+    } else {
+      self::$messages["PCRE UTF-8"] = array("error" => false,
+        "text" => "Pass");
+    }
+
+    if (!(class_exists("ReflectionClass"))) {
+      self::$messages["Reflection Enabled"] = array("error" => true,
+        "text" => "PHP relection is either not loaded or not compiled in.",
+        "html" => "PHP <a href=\"http://php.net/reflection\">relection<a> is either not loaded or not compiled in.");
+      $failed = true;
+    } else {
+      self::$messages["Reflection Enabled"] = array("error" => false,
+        "text" => "Pass");
+    }
+                                                                            
+    if (!(function_exists("filter_list"))) {
+      self::$messages["Filters Enabled"] = array("error" => true,
+        "text" => "The filter extension is either not loaded or not compiled in.",
+        "html" => "The <a href=\"http://php.net/filter\">filter</a> extension is either not loaded or not compiled in.");
+      $failed = true;
+    } else {
+      self::$messages["Filters Enabled"] = array("error" => false,
+        "text" => "Pass");
+    }
+
+    if (!(extension_loaded("iconv"))) {
+      self::$messages["Iconv Loaded"] = array("error" => true,
+        "text" => "The iconv extension is not loaded.",
+        "html" => "The <a href=\"http://php.net/iconv\">iconv</a> extension is not loaded.");
+      $failed = true;
+    } else {
+      self::$messages["Iconv Enabled"] = array("error" => false,
+        "text" => "Pass");
+    }
+
+    if (extension_loaded("mbstring") &&
+        (ini_get("mbstring.func_overload") & MB_OVERLOAD_STRING)) {
+      self::$messages["Mbstring Overloaded"] = array("error" => true,
+        "text" => "The mbstring extension is overloading PHP's native string functions.",
+        "html" => "The <a href=\"http://php.net/mbstring\">mbstring</a> extension is overloading PHP's native string functions.");
+      $failed = true;
+    } else {
+      self::$messages["MbString Overloaded"] = array("error" => false,
+        "text" => "Pass");
+    }
+
+    if (!(isset($_SERVER["REQUEST_URI"]) || isset($_SERVER["PHP_SELF"]))) {
+      self::$messages["URI Determination"] = array("error" => true,
+        "text" => "Neither \$_SERVER['REQUEST_URI'] or \$_SERVER['PHP_SELF'] is available.",
+        "html" => "Neither <code>\$_SERVER['REQUEST_URI']</code> or <code>\$_SERVER['PHP_SELF']<code> is available.");
+      $failed = true;
+    } else {
+      self::$messages["URI Determination"] = array("error" => false,
+        "text" => "Pass");
+    }
+
+    $short_tags = ini_get("short_open_tag");
+    if (empty($short_tags)) {
+      self::$messages["Short Tags"] = array("error" => true,
+        "text" => "Gallery3 requires that PHP short tags be enabled.",
+        "html" => "Gallery3 requires that PHP <a href=\"http://ca2.php.net/manual/en/ini.core.php\">short tags</a> be enabled");
+      $failed = true;
+    } else {
+      self::$messages["Short Tags"] = array("error" => false,
+        "text" => "Pass");
+    }
+    return $failed;
+  }
+
+  public static function display_requirements() {
+    if (PHP_SAPI == 'cli') {
+      print self::_render("installer/views/installer.txt");
+    } else {
+      print self::_render("installer/views/installer.html");
+    }
+  }
+
+  private static function _render($view) {
+    if ($view == '')
+      return;
+
+    // Buffering on
+    ob_start();
+
+    try
+      {
+        // Views are straight HTML pages with embedded PHP, so importing them
+        // this way insures that $this can be accessed as if the user was in
+        // the controller, which gives the easiest access to libraries in views
+        include realpath($view . EXT);
+      }
+    catch (Exception $e)
+      {
+        // Display the exception using its internal __toString method
+        echo $e;
+      }
+
+    // Fetch the output and close the buffer
+    return ob_get_clean();
+  }
+}
\ No newline at end of file
diff --git a/installer/views/installer.html.php b/installer/views/installer.html.php
new file mode 100644
index 00000000..fef71834
--- /dev/null
+++ b/installer/views/installer.html.php
@@ -0,0 +1,48 @@
+<?php defined("SYSPATH") or die("No direct script access."); ?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+  <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
+   <head>
+	
+     <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
+	
+     <title>Gallery3 Requirements Verification</title>
+	
+     <style type="text/css">
+       body { width: 42em; margin: 0 auto; font-family: sans-serif; font-size: 90%; }
+	
+       #tests table { border-collapse: collapse; width: 100%; }
+       #tests table th,
+       #tests table td { padding: 0.2em 0.4em; text-align: left; vertical-align: top; }
+       #tests table th { width: 12em; font-weight: normal; font-size: 1.2em; }
+       #tests table tr:nth-child(odd) { background: #eee; }
+       #tests table td.pass { color: #191; }
+       #tests table td.fail { color: #911; }
+       #tests #results { color: #fff; }
+       #tests #results p { padding: 0.8em 0.4em; }
+       #tests #results p.pass { background: #191; }
+       #tests #results p.fail { background: #911; }
+     </style>
+
+  </head>
+  <body>
+    <h1>Environment Tests</h1>
+	
+    <p>The following tests have been run to determine if Gallery3 will work in your environment. If any of the tests have failed, consult the
+    <a href="http://gallery.menalto.com">documentation</a> for more information on how to correct the problem.</p>
+
+   <div id="tests">
+
+   <table cellspacing="0">
+     <?php foreach (self::$messages as $header => $msg): ?>
+      
+     <tr>
+       <th><?php echo $header ?></th>
+       <td class="<?php echo empty($msg["error"]) ? "pass" : "fail" ?>">
+       <?php echo empty($msg["html"]) ? $msg["text"] : $msg["html"] ?>
+       </td>
+     </tr>
+     <?php endforeach ?>
+   </table>
+ </div>
+ </body>
+ </html>
\ No newline at end of file
diff --git a/installer/views/installer.txt.2.php b/installer/views/installer.txt.2.php
new file mode 100644
index 00000000..b40373c0
--- /dev/null
+++ b/installer/views/installer.txt.2.php
@@ -0,0 +1,119 @@
+<?php defined("SYSPATH") or die("No direct script access.");
+function green_start() {
+  return "\x1B[32m";
+}
+
+function color_end() {
+  return "\x1B[0m";
+}
+
+function red_start() {
+  return "\x1B[31m";
+}
+
+function magenta_start() {
+  return "\x1B[35m";
+}
+
+echo "+", str_repeat("-", 98), "+\n";
+printf("| %-96.96s |\n", "Environment Tests");
+printf("| %-96.96s |\n", "The following tests have been run to determine if Gallery3 will work\n");
+printf("in your environment. If any of the tests have failed, consult the documention on\n");
+printf("http://gallery.menalto.com for more information on how to correct the problem.");
+echo "+", str_repeat("-", 98), "+\n";
+
+ 
+     //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+     //   <th>PHP Version</th>                                                                                                                    // //
+     //                                                                                                                                           // //
+     //   <? if (empty(self::$errors["php_version"])): ?>                                                                                         // //
+     //   <td class="pass"><?php echo PHP_VERSION ?></td>                                                                                         // //
+     //   <?php else: ?>                                                                                                                          // //
+     //   <td class="fail">Gallery3 requires PHP 5.2 or newer, this version is <?php echo PHP_VERSION ?>.</td>                                    // //
+     //   <?php endif ?>                                                                                                                          // //
+     // </tr>                                                                                                                                     // //
+     // <tr>                                                                                                                                      // //
+     //   <th>System Directory</th>                                                                                                               // //
+     //   <?php if (empty(self::$errors["syspath"])): ?>                                                                                          // //
+     //   <td class="pass"><?php echo SYSPATH ?></td>                                                                                             // //
+     //   <?php else: ?>                                                                                                                          // //
+     //   <td class="fail">The configured <code>system</code> directory does not exist or does not contain required files.</td>                   // //
+     //   <?php endif ?>                                                                                                                          // //
+     // </tr>                                                                                                                                     // //
+     // <tr>                                                                                                                                      // //
+     //   <th>Application Directory</th>                                                                                                          // //
+     //   <?php if (empty(self::$errors["apppath"])): ?>                                                                                          // //
+     //   <td class="pass"><?php echo APPPATH ?></td>                                                                                             // //
+     //   <?php else: ?>                                                                                                                          // //
+     //   <td class="fail">The configured <code>application</code> directory does not exist or does not contain required files.</td>              // //
+     //   <?php endif ?>                                                                                                                          // //
+     // </tr>                                                                                                                                     // //
+     // <tr>                                                                                                                                      // //
+     //   <th>Modules Directory</th>                                                                                                              // //
+     //   <?php if (empty(self::$errors["modpath"])): ?>                                                                                          // //
+     //   <td class="pass"><?php echo MODPATH ?></td>                                                                                             // //
+     //   <?php else: ?>                                                                                                                          // //
+     //   <td class="fail">The configured <code>modules</code> directory does not exist or does not contain required files.</td>                  // //
+     //   <?php endif ?>                                                                                                                          // //
+     // </tr>                                                                                                                                     // //
+     // <tr>                                                                                                                                      // //
+     //   <th>PCRE UTF-8</th>                                                                                                                     // //
+     //   <?php if (!empty(self::$errors["utf-8"])): ?>                                                                                           // //
+     //   <td class="fail"><a href="http://php.net/pcre">PCRE</a> has not been compiled with UTF-8 support.</td>                                  // //
+     //   <?php elseif (!empty(self::$errors["unicode"])): ?>                                                                                     // //
+     //   <td class="fail"><a href="http://php.net/pcre">PCRE</a> has not been compiled with Unicode property support.</td>                       // //
+     //   <?php else: ?>                                                                                                                          // //
+     //   <td class="pass">Pass</td>                                                                                                              // //
+     //   <?php endif ?>                                                                                                                          // //
+     // </tr>                                                                                                                                     // //
+     // <tr>                                                                                                                                      // //
+     //   <th>Reflection Enabled</th>                                                                                                             // //
+     //   <?php if (empty(self::$errors["reflection"])): ?>                                                                                       // //
+     //   <td class="pass">Pass</td>                                                                                                              // //
+     //   <?php else: ?>                                                                                                                          // //
+     //   <td class="fail">PHP <a href="http://www.php.net/reflection">reflection</a> is either not loaded or not compiled in.</td>               // //
+     //   <?php endif ?>                                                                                                                          // //
+     // </tr>                                                                                                                                     // //
+     // <tr>                                                                                                                                      // //
+     //   <th>Filters Enabled</th>                                                                                                                // //
+     //   <?php if (empty(self::$errors["filter_list"])): ?>                                                                                      // //
+     //   <td class="pass">Pass</td>                                                                                                              // //
+     //   <?php else: ?>                                                                                                                          // //
+     //   <td class="fail">The <a href="http://www.php.net/filter">filter</a> extension is either not loaded or not compiled in.</td>             // //
+     //   <?php endif ?>                                                                                                                          // //
+     // </tr>                                                                                                                                     // //
+     // <tr>                                                                                                                                      // //
+     //   <th>Iconv Extension Loaded</th>                                                                                                         // //
+     //   <?php if (empty(self::$errors["iconv"])): ?>                                                                                            // //
+     //   <td class="pass">Pass</td>                                                                                                              // //
+     //   <?php else: ?>                                                                                                                          // //
+     //   <td class="fail">The <a href="http://php.net/iconv">iconv</a> extension is not loaded.</td>                                             // //
+     //   <?php endif ?>                                                                                                                          // //
+     // </tr>                                                                                                                                     // //
+     //                                                                                                                                           // //
+     // <tr>                                                                                                                                      // //
+     //   <th>Mbstring Not Overloaded</th>                                                                                                        // //
+     //   <?php if (empty(self::$errors["mbstring"])): ?>                                                                                         // //
+     //   <td class="pass">Pass</td>                                                                                                              // //
+     //   <?php else: ?>                                                                                                                          // //
+     //   <td class="fail">The <a href="http://php.net/mbstring">mbstring</a> extension is overloading PHP's native string functions.</td>        // //
+     //   <?php endif ?>                                                                                                                          // //
+     // </tr>                                                                                                                                     // //
+     // <tr>                                                                                                                                      // //
+     //    <th>URI Determination</th>                                                                                                             // //
+     //    <?php if (empty(self::$errors["uri"])): ?>                                                                                             // //
+     //    <td class="pass">Pass</td>                                                                                                             // //
+     //    <?php else: ?>                                                                                                                         // //
+     //    <td class="fail">Neither <code>$_SERVER['REQUEST_URI']</code> or <code>$_SERVER['PHP_SELF']</code> is available.</td>                  // //
+     //    <?php endif ?>                                                                                                                         // //
+     // </tr>                                                                                                                                     // //
+     // <tr>                                                                                                                                      // //
+     //    <th>PHP Short Tags</th>                                                                                                                // //
+     //    <?php if (empty(self::$errors["short tags"])): ?>                                                                                      // //
+     //    <td class="pass">Pass</td>                                                                                                             // //
+     //    <?php else: ?>                                                                                                                         // //
+     //    <td class="fail">Gallery3 needs php short tags enabled.</td>                                                                           // //
+     //    <?php endif ?>                                                                                                                         // //
+     // </tr>                                                                                                                                     // //
+     //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+ 
diff --git a/installer/views/installer.txt.php b/installer/views/installer.txt.php
new file mode 100644
index 00000000..5c98752f
--- /dev/null
+++ b/installer/views/installer.txt.php
@@ -0,0 +1,44 @@
+<?php defined("SYSPATH") or die("No direct script access.");
+function green_start() {
+  return "\x1B[32m";
+}
+
+function color_end() {
+  return "\x1B[0m";
+}
+
+function red_start() {
+  return "\x1B[31m";
+}
+
+function magenta_start() {
+  return "\x1B[35m";
+}
+
+function print_msg($header, $msg, $error) {
+  $format = "| %-21.21s | %-81.81s |\n"; 
+  foreach (explode("\n", wordwrap($msg, 72)) as $text) {
+    if ($error) {
+      printf($format, $header, red_start() . $text . color_end());
+    } else {
+      printf($format, $header, green_start() . $text . color_end());
+    }
+    $header = "";
+  }
+}
+
+echo "+", str_repeat("-", 98), "+\n";
+printf("| %-96.96s |\n", "Environment Tests");
+printf("| %-96.96s |\n", "The following tests have been run to determine if Gallery3 will work " .
+       "in your environment.");
+printf("| %-96.96s |\n", "If any of the tests have failed, consult the documention on " .
+       "http://gallery.menalto.com");
+printf("| %-96.96s |\n", "for more information on how to correct the problem.");
+echo "+", str_repeat("-", 98), "+\n";
+
+foreach (self::$messages as $header => $msg) {
+  print_msg($header, $msg["text"], $msg["error"]);  
+}
+
+echo "+", str_repeat("-", 98), "+\n";
+flush();
\ No newline at end of file
-- 
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