--- a/includes/pageprocess.php Sat Dec 15 18:10:14 2007 -0500
+++ b/includes/pageprocess.php Tue Dec 18 23:44:55 2007 -0500
@@ -2,7 +2,7 @@
/*
* Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
- * Version 1.1.1
+ * Version 1.0.3 (Dyrad)
* pageprocess.php - intelligent retrieval of pages
* Copyright (C) 2006-2007 Dan Fuhry
*
@@ -15,6 +15,7 @@
/**
* Class to handle fetching page text (possibly from a cache) and formatting it.
+ * As of 1.0.4, this also handles the fetching and editing of certain data for pages.
* @package Enano
* @subpackage UI
* @copyright 2007 Dan Fuhry
@@ -113,6 +114,13 @@
);
/**
+ * The list of errors raised in the class.
+ * @var array
+ */
+
+ var $_errors = array();
+
+ /**
* Constructor.
* @param string The page ID (urlname) of the page
* @param string The namespace of the page
@@ -312,6 +320,173 @@
}
/**
+ * Fetches the wikitext or HTML source for the page.
+ * @return string
+ */
+
+ function fetch_source()
+ {
+ if ( !$this->perms->get_permissions('view_source') )
+ {
+ return false;
+ }
+ return $this->fetch_text();
+ }
+
+ /**
+ * Updates the content of the page.
+ * @param string The new text for the page
+ * @param string A summary of edits made to the page.
+ * @return bool True on success, false on failure
+ */
+
+ function update_page($text, $edit_summary = false)
+ {
+ global $db, $session, $paths, $template, $plugins; // Common objects
+
+ // Create the page if it doesn't exist
+ if ( !$this->page_exists )
+ {
+ if ( !$this->create_page() )
+ {
+ return false;
+ }
+ }
+
+ //
+ // Validation
+ //
+
+ $page_id = $db->escape($this->page_id);
+ $namespace = $db->escape($this->namespace);
+
+ $q = $db->sql_query('SELECT protected FROM ' . table_prefix . "pages WHERE urlname='$page_id' AND namespace='$namespace';");
+ if ( !$q )
+ $db->_die('PageProcess updating page content');
+ if ( $db->numrows() < 1 )
+ {
+ $this->raise_error('Page doesn\'t exist in the database');
+ return false;
+ }
+
+ // Do we have permission to edit the page?
+ if ( !$this->perms->get_permissions('edit_page') )
+ {
+ $this->raise_error('You do not have permission to edit this page.');
+ return false;
+ }
+
+ list($protection) = $db->fetchrow_num();
+ $db->free_result();
+
+ if ( $protection == 1 )
+ {
+ // The page is protected - do we have permission to edit protected pages?
+ if ( !$this->perms->get_permissions('even_when_protected') )
+ {
+ $this->raise_error('This page is protected, and you do not have permission to edit protected pages.');
+ return false;
+ }
+ }
+ else if ( $protection == 2 )
+ {
+ // The page is semi-protected.
+ if (
+ ( !$session->user_logged_in || // Is the user logged in?
+ ( $session->user_logged_in && $session->reg_time + ( 4 * 86400 ) >= time() ) ) // If so, have they been registered for 4 days?
+ && !$this->perms->get_permissions('even_when_protected') ) // And of course, is there an ACL that overrides semi-protection?
+ {
+ $this->raise_error('This page is protected, and you do not have permission to edit protected pages.');
+ return false;
+ }
+ }
+
+ // Protection validated
+
+ }
+
+ /**
+ * Creates the page if it doesn't already exist.
+ * @return bool True on success, false on failure.
+ */
+
+ function create_page()
+ {
+ global $db, $session, $paths, $template, $plugins; // Common objects
+
+ // Do we have permission to create the page?
+ if ( !$this->perms->get_permissions('create_page') )
+ {
+ $this->raise_error('You do not have permission to create this page.');
+ return false;
+ }
+
+ // Does it already exist?
+ if ( $this->page_exists )
+ {
+ $this->raise_error('The page already exists.');
+ return false;
+ }
+
+ // It's not in there. Perform validation.
+
+ // We can't create special, admin, or external pages.
+ if ( $this->namespace == 'Special' || $this->namespace == 'Admin' || $this->namespace == 'Anonymous' )
+ {
+ $this->raise_error('You cannot create Special or Admin pages - they can\'t be stored in the database.');
+ return false;
+ }
+
+ // Guess the proper title
+ $name = dirtify_page_id($this->page_id);
+
+ // Check for the restricted Project: prefix
+ if ( substr($this->page_id, 0, 8) == 'Project:' )
+ {
+ $this->raise_error('The prefix "Project:" is reserved for internal links and can\'t be used on a page name.');
+ return false;
+ }
+
+ // Validation successful - insert the page
+
+ $metadata = array(
+ 'urlname' => $this->page_id,
+ 'namespace' => $this->namespace,
+ 'name' => $name,
+ 'special' => 0,
+ 'visible' => 1,
+ 'comments_on' => 1,
+ 'protected' => ( $this->namespace == 'System' ? 1 : 0 ),
+ 'delvotes' => 0,
+ 'delvote_ips' => serialize(array()),
+ 'wiki_mode' => 2
+ );
+
+ $paths->add_page($metadata);
+
+ $page_id = $db->escape($this->page_id);
+ $namespace = $db->escape($this->namespace);
+ $name = $db->escape($name);
+ $protect = ( $this->namespace == 'System' ) ? '1' : '0';
+ $blank_array = $db->escape(serialize(array()));
+
+ // Query 1: Metadata entry
+ $q = $db->sql_query('INSERT INTO ' . table_prefix . "pages(name, urlname, namespace, protected, delvotes, delvote_ips, wiki_mode)\n"
+ . "VALUES ( '$name', '$page_id', '$namespace', $protect, 0, '$blank_array', 2 );");
+ if ( !$q )
+ $db->_die('PageProcessor page creation - metadata stage');
+
+ // Query 2: Text insertion
+ $q = $db->sql_query('INSERT INTO ' . table_prefix . "page_text(page_id, namespace, page_text)\n"
+ . "VALUES ( '$page_id', '$namespace', '' );");
+ if ( !$q )
+ $db->_die('PageProcessor page creation - text stage');
+
+ // Page created. We're good!
+ return true;
+ }
+
+ /**
* Sets internal variables.
* @access private
*/
@@ -336,7 +511,7 @@
}
// Does the page "exist"?
- if ( $paths->cpage['urlname_nons'] == $page_id && $paths->namespace == $namespace && !$paths->page_exists && ( $this->namespace != 'Admin' || ($this->namespace == 'Admin' && !function_exists($fname) ) ) )
+ if ( $paths->page_id == $page_id && $paths->namespace == $namespace && !$paths->page_exists && ( $this->namespace != 'Admin' || ($this->namespace == 'Admin' && !function_exists($fname) ) ) )
{
$this->page_exists = false;
}
@@ -354,7 +529,7 @@
{
$page_id = str_replace('.2e', '.', $page_id);
- if ( $paths->cpage['urlname_nons'] == $page_id && $paths->namespace == $namespace && !$paths->page_exists && ( $this->namespace != 'Admin' || ($this->namespace == 'Admin' && !function_exists($fname) ) ) )
+ if ( $paths->page_id == $page_id && $paths->namespace == $namespace && !$paths->page_exists && ( $this->namespace != 'Admin' || ($this->namespace == 'Admin' && !function_exists($fname) ) ) )
{
$this->page_exists = false;
}
@@ -630,7 +805,7 @@
global $email;
$page_urlname = dirtify_page_id($this->page_id);
- if ( $this->page_id == $paths->cpage['urlname_nons'] && $this->namespace == $paths->namespace )
+ if ( $this->page_id == $paths->page_id && $this->namespace == $paths->namespace )
{
$page_name = ( isset($paths->cpage['name']) ) ? $paths->cpage['name'] : $this->page_id;
}
@@ -1246,6 +1421,30 @@
}
+ /**
+ * Raises an error.
+ * @param string Error string
+ */
+
+ function raise_error($string)
+ {
+ if ( !is_string($string) )
+ return false;
+ $this->_errors[] = $string;
+ }
+
+ /**
+ * Retrieves the latest error from the error stack and returns it ('pops' the error stack)
+ * @return string
+ */
+
+ function pop_error()
+ {
+ if ( count($this->_errors) < 1 )
+ return false;
+ return array_pop($this->_errors);
+ }
+
} // class PageProcessor
?>