/gforge/plugins/wiki/www/lib/WikiDB.php
PHP | 2638 lines | 1285 code | 175 blank | 1178 comment | 253 complexity | 65dd65c437575b0f1b41bac0d39117be MD5 | raw file
Possible License(s): GPL-2.0, MPL-2.0-no-copyleft-exception
- <?php //-*-php-*-
- rcs_id('$Id: WikiDB.php,v 1.135 2005/09/11 14:19:44 rurban Exp $');
- require_once('lib/PageType.php');
- /**
- * The classes in the file define the interface to the
- * page database.
- *
- * @package WikiDB
- * @author Geoffrey T. Dairiki <dairiki@dairiki.org>
- * Reini Urban
- */
- /**
- * Force the creation of a new revision.
- * @see WikiDB_Page::createRevision()
- */
- if (!defined('WIKIDB_FORCE_CREATE'))
- define('WIKIDB_FORCE_CREATE', -1);
- /**
- * Abstract base class for the database used by PhpWiki.
- *
- * A <tt>WikiDB</tt> is a container for <tt>WikiDB_Page</tt>s which in
- * turn contain <tt>WikiDB_PageRevision</tt>s.
- *
- * Conceptually a <tt>WikiDB</tt> contains all possible
- * <tt>WikiDB_Page</tt>s, whether they have been initialized or not.
- * Since all possible pages are already contained in a WikiDB, a call
- * to WikiDB::getPage() will never fail (barring bugs and
- * e.g. filesystem or SQL database problems.)
- *
- * Also each <tt>WikiDB_Page</tt> always contains at least one
- * <tt>WikiDB_PageRevision</tt>: the default content (e.g. "Describe
- * [PageName] here."). This default content has a version number of
- * zero.
- *
- * <tt>WikiDB_PageRevision</tt>s have read-only semantics. One can
- * only create new revisions or delete old ones --- one can not modify
- * an existing revision.
- */
- class WikiDB {
- /**
- * Open a WikiDB database.
- *
- * This is a static member function. This function inspects its
- * arguments to determine the proper subclass of WikiDB to
- * instantiate, and then it instantiates it.
- *
- * @access public
- *
- * @param hash $dbparams Database configuration parameters.
- * Some pertinent paramters are:
- * <dl>
- * <dt> dbtype
- * <dd> The back-end type. Current supported types are:
- * <dl>
- * <dt> SQL
- * <dd> Generic SQL backend based on the PEAR/DB database abstraction
- * library. (More stable and conservative)
- * <dt> ADODB
- * <dd> Another generic SQL backend. (More current features are tested here. Much faster)
- * <dt> dba
- * <dd> Dba based backend. The default and by far the fastest.
- * <dt> cvs
- * <dd>
- * <dt> file
- * <dd> flat files
- * </dl>
- *
- * <dt> dsn
- * <dd> (Used by the SQL and ADODB backends.)
- * The DSN specifying which database to connect to.
- *
- * <dt> prefix
- * <dd> Prefix to be prepended to database tables (and file names).
- *
- * <dt> directory
- * <dd> (Used by the dba backend.)
- * Which directory db files reside in.
- *
- * <dt> timeout
- * <dd> Used only by the dba backend so far.
- * And: When optimizing mysql it closes timed out mysql processes.
- * otherwise only used for dba: Timeout in seconds for opening (and
- * obtaining lock) on the dbm file.
- *
- * <dt> dba_handler
- * <dd> (Used by the dba backend.)
- *
- * Which dba handler to use. Good choices are probably either
- * 'gdbm' or 'db2'.
- * </dl>
- *
- * @return WikiDB A WikiDB object.
- **/
- function open ($dbparams) {
- $dbtype = $dbparams{'dbtype'};
- include_once("lib/WikiDB/$dbtype.php");
-
- $class = 'WikiDB_' . $dbtype;
- return new $class ($dbparams);
- }
- /**
- * Constructor.
- *
- * @access private
- * @see open()
- */
- function WikiDB (&$backend, $dbparams) {
- $this->_backend = &$backend;
- // don't do the following with the auth_dsn!
- if (isset($dbparams['auth_dsn'])) return;
-
- $this->_cache = new WikiDB_cache($backend);
- if (!empty($GLOBALS['request'])) $GLOBALS['request']->_dbi = $this;
- // If the database doesn't yet have a timestamp, initialize it now.
- if ($this->get('_timestamp') === false)
- $this->touch();
-
- //FIXME: devel checking.
- //$this->_backend->check();
- }
-
- /**
- * Close database connection.
- *
- * The database may no longer be used after it is closed.
- *
- * Closing a WikiDB invalidates all <tt>WikiDB_Page</tt>s,
- * <tt>WikiDB_PageRevision</tt>s and <tt>WikiDB_PageIterator</tt>s
- * which have been obtained from it.
- *
- * @access public
- */
- function close () {
- $this->_backend->close();
- $this->_cache->close();
- }
-
- /**
- * Get a WikiDB_Page from a WikiDB.
- *
- * A {@link WikiDB} consists of the (infinite) set of all possible pages,
- * therefore this method never fails.
- *
- * @access public
- * @param string $pagename Which page to get.
- * @return WikiDB_Page The requested WikiDB_Page.
- */
- function getPage($pagename) {
- static $error_displayed = false;
- $pagename = (string) $pagename;
- if (DEBUG) {
- if ($pagename === '') {
- if ($error_displayed) return false;
- $error_displayed = true;
- if (function_exists("xdebug_get_function_stack"))
- var_dump(xdebug_get_function_stack());
- trigger_error("empty pagename", E_USER_WARNING);
- return false;
- }
- } else {
- assert($pagename != '');
- }
- return new WikiDB_Page($this, $pagename);
- }
- /**
- * Determine whether page exists (in non-default form).
- *
- * <pre>
- * $is_page = $dbi->isWikiPage($pagename);
- * </pre>
- * is equivalent to
- * <pre>
- * $page = $dbi->getPage($pagename);
- * $current = $page->getCurrentRevision();
- * $is_page = ! $current->hasDefaultContents();
- * </pre>
- * however isWikiPage may be implemented in a more efficient
- * manner in certain back-ends.
- *
- * @access public
- *
- * @param string $pagename string Which page to check.
- *
- * @return boolean True if the page actually exists with
- * non-default contents in the WikiDataBase.
- */
- function isWikiPage ($pagename) {
- $page = $this->getPage($pagename);
- return $page->exists();
- }
- /**
- * Delete page from the WikiDB.
- *
- * Deletes the page from the WikiDB with the possibility to revert and diff.
- * //Also resets all page meta-data to the default values.
- *
- * Note: purgePage() effectively destroys all revisions of the page from the WikiDB.
- *
- * @access public
- *
- * @param string $pagename Name of page to delete.
- */
- function deletePage($pagename) {
- // don't create empty revisions of already purged pages.
- if ($this->_backend->get_latest_version($pagename))
- $result = $this->_cache->delete_page($pagename);
- else
- $result = -1;
- /* Generate notification emails? */
- if (! $this->isWikiPage($pagename) and !isa($GLOBALS['request'],'MockRequest')) {
- $notify = $this->get('notify');
- if (!empty($notify) and is_array($notify)) {
- global $request;
- //TODO: deferr it (quite a massive load if you remove some pages).
- //TODO: notification class which catches all changes,
- // and decides at the end of the request what to mail.
- // (type, page, who, what, users, emails)
- // could be used for PageModeration and RSS2 Cloud xml-rpc also.
- $page = new WikiDB_Page($this, $pagename);
- list($emails, $userids) = $page->getPageChangeEmails($notify);
- if (!empty($emails)) {
- $from = $request->_user->getId();
- $editedby = sprintf(_("Removed by: %s"), $from);
- $emails = join(',', $emails);
- $headers = "From: $from <nobody>\r\n" .
- "Bcc: $emails\r\n" .
- "MIME-Version: 1.0\r\n" .
- "Content-Type: text/plain; charset=".CHARSET."; format=flowed\r\n" .
- "Content-Transfer-Encoding: 8bit";
- $subject = sprintf(_("Page removed %s"), urlencode($pagename));
- if (mail("<undisclosed-recipients>","[".WIKI_NAME."] ".$subject,
- $subject."\n".
- $editedby."\n\n".
- "Deleted $pagename",
- $headers))
- trigger_error(sprintf(_("PageChange Notification of %s sent to %s"),
- $pagename, join(',',$userids)), E_USER_NOTICE);
- else
- trigger_error(sprintf(_("PageChange Notification Error: Couldn't send %s to %s"),
- $pagename, join(',',$userids)), E_USER_WARNING);
- }
- }
- }
- //How to create a RecentChanges entry with explaining summary? Dynamically
- /*
- $page = $this->getPage($pagename);
- $current = $page->getCurrentRevision();
- $meta = $current->_data;
- $version = $current->getVersion();
- $meta['summary'] = _("removed");
- $page->save($current->getPackedContent(), $version + 1, $meta);
- */
- return $result;
- }
- /**
- * Completely remove the page from the WikiDB, without undo possibility.
- */
- function purgePage($pagename) {
- $result = $this->_cache->purge_page($pagename);
- $this->deletePage($pagename); // just for the notification
- return $result;
- }
-
- /**
- * Retrieve all pages.
- *
- * Gets the set of all pages with non-default contents.
- *
- * @access public
- *
- * @param boolean $include_defaulted Normally pages whose most
- * recent revision has empty content are considered to be
- * non-existant. Unless $include_defaulted is set to true, those
- * pages will not be returned.
- *
- * @return WikiDB_PageIterator A WikiDB_PageIterator which contains all pages
- * in the WikiDB which have non-default contents.
- */
- function getAllPages($include_empty=false, $sortby=false, $limit=false,
- $exclude=false)
- {
- // HACK: memory_limit=8M will fail on too large pagesets. old php on unix only!
- if (USECACHE) {
- $mem = ini_get("memory_limit");
- if ($mem and !$limit and !isWindows() and !check_php_version(4,3)) {
- $limit = 450;
- $GLOBALS['request']->setArg('limit', $limit);
- $GLOBALS['request']->setArg('paging', 'auto');
- }
- }
- $result = $this->_backend->get_all_pages($include_empty, $sortby, $limit,
- $exclude);
- return new WikiDB_PageIterator($this, $result,
- array('include_empty' => $include_empty,
- 'exclude' => $exclude,
- 'limit' => $limit));
- }
- /**
- * $include_empty = true: include also empty pages
- * exclude: comma-seperated list pagenames: TBD: array of pagenames
- */
- function numPages($include_empty=false, $exclude='') {
- if (method_exists($this->_backend, 'numPages'))
- // FIXME: currently are all args ignored.
- $count = $this->_backend->numPages($include_empty, $exclude);
- else {
- // FIXME: exclude ignored.
- $iter = $this->getAllPages($include_empty, false, false, $exclude);
- $count = $iter->count();
- $iter->free();
- }
- return (int)$count;
- }
-
- /**
- * Title search.
- *
- * Search for pages containing (or not containing) certain words
- * in their names.
- *
- * Pages are returned in alphabetical order whenever it is
- * practical to do so.
- *
- * FIXME: clarify $search syntax. provide glob=>TextSearchQuery converters
- *
- * @access public
- * @param TextSearchQuery $search A TextSearchQuery object
- * @return WikiDB_PageIterator A WikiDB_PageIterator containing the matching pages.
- * @see TextSearchQuery
- */
- function titleSearch($search, $sortby='pagename', $limit=false, $exclude=false) {
- $result = $this->_backend->text_search($search, false, $sortby, $limit, $exclude);
- return new WikiDB_PageIterator($this, $result,
- array('exclude' => $exclude,
- 'limit' => $limit));
- }
- /**
- * Full text search.
- *
- * Search for pages containing (or not containing) certain words
- * in their entire text (this includes the page content and the
- * page name).
- *
- * Pages are returned in alphabetical order whenever it is
- * practical to do so.
- *
- * @access public
- *
- * @param TextSearchQuery $search A TextSearchQuery object.
- * @return WikiDB_PageIterator A WikiDB_PageIterator containing the matching pages.
- * @see TextSearchQuery
- */
- function fullSearch($search, $sortby='pagename', $limit=false, $exclude=false) {
- $result = $this->_backend->text_search($search, true, $sortby, $limit, $exclude);
- return new WikiDB_PageIterator($this, $result,
- array('exclude' => $exclude,
- 'limit' => $limit,
- 'stoplisted' => $result->stoplisted
- ));
- }
- /**
- * Find the pages with the greatest hit counts.
- *
- * Pages are returned in reverse order by hit count.
- *
- * @access public
- *
- * @param integer $limit The maximum number of pages to return.
- * Set $limit to zero to return all pages. If $limit < 0, pages will
- * be sorted in decreasing order of popularity.
- *
- * @return WikiDB_PageIterator A WikiDB_PageIterator containing the matching
- * pages.
- */
- function mostPopular($limit = 20, $sortby = '-hits') {
- $result = $this->_backend->most_popular($limit, $sortby);
- return new WikiDB_PageIterator($this, $result);
- }
- /**
- * Find recent page revisions.
- *
- * Revisions are returned in reverse order by creation time.
- *
- * @access public
- *
- * @param hash $params This hash is used to specify various optional
- * parameters:
- * <dl>
- * <dt> limit
- * <dd> (integer) At most this many revisions will be returned.
- * <dt> since
- * <dd> (integer) Only revisions since this time (unix-timestamp) will be returned.
- * <dt> include_minor_revisions
- * <dd> (boolean) Also include minor revisions. (Default is not to.)
- * <dt> exclude_major_revisions
- * <dd> (boolean) Don't include non-minor revisions.
- * (Exclude_major_revisions implies include_minor_revisions.)
- * <dt> include_all_revisions
- * <dd> (boolean) Return all matching revisions for each page.
- * Normally only the most recent matching revision is returned
- * for each page.
- * </dl>
- *
- * @return WikiDB_PageRevisionIterator A WikiDB_PageRevisionIterator containing the
- * matching revisions.
- */
- function mostRecent($params = false) {
- $result = $this->_backend->most_recent($params);
- return new WikiDB_PageRevisionIterator($this, $result);
- }
- /**
- * @access public
- *
- * @return Iterator A generic iterator containing rows of (duplicate) pagename, wantedfrom.
- */
- function wantedPages($exclude_from='', $exclude='', $sortby=false, $limit=false) {
- return $this->_backend->wanted_pages($exclude_from, $exclude, $sortby, $limit);
- //return new WikiDB_PageIterator($this, $result);
- }
- /**
- * Call the appropriate backend method.
- *
- * @access public
- * @param string $from Page to rename
- * @param string $to New name
- * @param boolean $updateWikiLinks If the text in all pages should be replaced.
- * @return boolean true or false
- */
- function renamePage($from, $to, $updateWikiLinks = false) {
- assert(is_string($from) && $from != '');
- assert(is_string($to) && $to != '');
- $result = false;
- if (method_exists($this->_backend, 'rename_page')) {
- $oldpage = $this->getPage($from);
- $newpage = $this->getPage($to);
- //update all WikiLinks in existing pages
- //non-atomic! i.e. if rename fails the links are not undone
- if ($updateWikiLinks) {
- require_once('lib/plugin/WikiAdminSearchReplace.php');
- $links = $oldpage->getBackLinks();
- while ($linked_page = $links->next()) {
- WikiPlugin_WikiAdminSearchReplace::replaceHelper($this,
- $linked_page->getName(),
- $from, $to);
- }
- // ape: Disabled to avoid recursive modification when renaming
- // a page like 'PageApe' to 'PageApeTwo'.
- //
- // $links = $newpage->getBackLinks();
- // while ($linked_page = $links->next()) {
- // WikiPlugin_WikiAdminSearchReplace::replaceHelper($this,
- // $linked_page->getName(),
- // $from, $to);
- // }
- }
- if ($oldpage->exists() and ! $newpage->exists()) {
- if ($result = $this->_backend->rename_page($from, $to)) {
- //create a RecentChanges entry with explaining summary
- $page = $this->getPage($to);
- $current = $page->getCurrentRevision();
- $meta = $current->_data;
- $version = $current->getVersion();
- $meta['summary'] = sprintf(_("renamed from %s"), $from);
- $page->save($current->getPackedContent(), $version + 1, $meta);
- }
- } elseif (!$oldpage->getCurrentRevision(false) and !$newpage->exists()) {
- // if a version 0 exists try it also.
- $result = $this->_backend->rename_page($from, $to);
- }
- } else {
- trigger_error(_("WikiDB::renamePage() not yet implemented for this backend"),
- E_USER_WARNING);
- }
- /* Generate notification emails? */
- if ($result and !isa($GLOBALS['request'], 'MockRequest')) {
- $notify = $this->get('notify');
- if (!empty($notify) and is_array($notify)) {
- list($emails, $userids) = $oldpage->getPageChangeEmails($notify);
- if (!empty($emails)) {
- $oldpage->sendPageRenameNotification($to, $meta, $emails, $userids);
- }
- }
- }
- return $result;
- }
- /** Get timestamp when database was last modified.
- *
- * @return string A string consisting of two integers,
- * separated by a space. The first is the time in
- * unix timestamp format, the second is a modification
- * count for the database.
- *
- * The idea is that you can cast the return value to an
- * int to get a timestamp, or you can use the string value
- * as a good hash for the entire database.
- */
- function getTimestamp() {
- $ts = $this->get('_timestamp');
- return sprintf("%d %d", $ts[0], $ts[1]);
- }
-
- /**
- * Update the database timestamp.
- *
- */
- function touch() {
- $ts = $this->get('_timestamp');
- $this->set('_timestamp', array(time(), $ts[1] + 1));
- }
-
- /**
- * Access WikiDB global meta-data.
- *
- * NOTE: this is currently implemented in a hackish and
- * not very efficient manner.
- *
- * @access public
- *
- * @param string $key Which meta data to get.
- * Some reserved meta-data keys are:
- * <dl>
- * <dt>'_timestamp' <dd> Data used by getTimestamp().
- * </dl>
- *
- * @return scalar The requested value, or false if the requested data
- * is not set.
- */
- function get($key) {
- if (!$key || $key[0] == '%')
- return false;
- /*
- * Hack Alert: We can use any page (existing or not) to store
- * this data (as long as we always use the same one.)
- */
- $gd = $this->getPage('global_data');
- $data = $gd->get('__global');
- if ($data && isset($data[$key]))
- return $data[$key];
- else
- return false;
- }
- /**
- * Set global meta-data.
- *
- * NOTE: this is currently implemented in a hackish and
- * not very efficient manner.
- *
- * @see get
- * @access public
- *
- * @param string $key Meta-data key to set.
- * @param string $newval New value.
- */
- function set($key, $newval) {
- if (!$key || $key[0] == '%')
- return;
-
- $gd = $this->getPage('global_data');
- $data = $gd->get('__global');
- if ($data === false)
- $data = array();
- if (empty($newval))
- unset($data[$key]);
- else
- $data[$key] = $newval;
- $gd->set('__global', $data);
- }
- /* TODO: these are really backend methods */
- // SQL result: for simple select or create/update queries
- // returns the database specific resource type
- function genericSqlQuery($sql, $args=false) {
- if (function_exists('debug_backtrace')) { // >= 4.3.0
- echo "<pre>", printSimpleTrace(debug_backtrace()), "</pre>\n";
- }
- trigger_error("no SQL database", E_USER_ERROR);
- return false;
- }
- // SQL iter: for simple select or create/update queries
- // returns the generic iterator object (count,next)
- function genericSqlIter($sql, $field_list = NULL) {
- if (function_exists('debug_backtrace')) { // >= 4.3.0
- echo "<pre>", printSimpleTrace(debug_backtrace()), "</pre>\n";
- }
- trigger_error("no SQL database", E_USER_ERROR);
- return false;
- }
-
- // see backend upstream methods
- // ADODB adds surrounding quotes, SQL not yet!
- function quote ($s) {
- return $s;
- }
- function isOpen () {
- global $request;
- if (!$request->_dbi) return false;
- else return false; /* so far only needed for sql so false it.
- later we have to check dba also */
- }
- function getParam($param) {
- global $DBParams;
- if (isset($DBParams[$param])) return $DBParams[$param];
- elseif ($param == 'prefix') return '';
- else return false;
- }
- function getAuthParam($param) {
- global $DBAuthParams;
- if (isset($DBAuthParams[$param])) return $DBAuthParams[$param];
- elseif ($param == 'USER_AUTH_ORDER') return $GLOBALS['USER_AUTH_ORDER'];
- elseif ($param == 'USER_AUTH_POLICY') return $GLOBALS['USER_AUTH_POLICY'];
- else return false;
- }
- };
- /**
- * An abstract base class which representing a wiki-page within a
- * WikiDB.
- *
- * A WikiDB_Page contains a number (at least one) of
- * WikiDB_PageRevisions.
- */
- class WikiDB_Page
- {
- function WikiDB_Page(&$wikidb, $pagename) {
- $this->_wikidb = &$wikidb;
- $this->_pagename = $pagename;
- if (DEBUG) {
- if (!(is_string($pagename) and $pagename != '')) {
- if (function_exists("xdebug_get_function_stack")) {
- echo "xdebug_get_function_stack(): "; var_dump(xdebug_get_function_stack());
- } elseif (function_exists("debug_backtrace")) { // >= 4.3.0
- printSimpleTrace(debug_backtrace());
- }
- trigger_error("empty pagename", E_USER_WARNING);
- return false;
- }
- } else {
- assert(is_string($pagename) and $pagename != '');
- }
- }
- /**
- * Get the name of the wiki page.
- *
- * @access public
- *
- * @return string The page name.
- */
- function getName() {
- return $this->_pagename;
- }
-
- // To reduce the memory footprint for larger sets of pagelists,
- // we don't cache the content (only true or false) and
- // we purge the pagedata (_cached_html) also
- function exists() {
- if (isset($this->_wikidb->_cache->_id_cache[$this->_pagename])) return true;
- $current = $this->getCurrentRevision(false);
- if (!$current) return false;
- return ! $current->hasDefaultContents();
- }
- /**
- * Delete an old revision of a WikiDB_Page.
- *
- * Deletes the specified revision of the page.
- * It is a fatal error to attempt to delete the current revision.
- *
- * @access public
- *
- * @param integer $version Which revision to delete. (You can also
- * use a WikiDB_PageRevision object here.)
- */
- function deleteRevision($version) {
- $backend = &$this->_wikidb->_backend;
- $cache = &$this->_wikidb->_cache;
- $pagename = &$this->_pagename;
- $version = $this->_coerce_to_version($version);
- if ($version == 0)
- return;
- $backend->lock(array('page','version'));
- $latestversion = $cache->get_latest_version($pagename);
- if ($latestversion && ($version == $latestversion)) {
- $backend->unlock(array('page','version'));
- trigger_error(sprintf("Attempt to delete most recent revision of '%s'",
- $pagename), E_USER_ERROR);
- return;
- }
- $cache->delete_versiondata($pagename, $version);
- $backend->unlock(array('page','version'));
- }
- /*
- * Delete a revision, or possibly merge it with a previous
- * revision.
- *
- * The idea is this:
- * Suppose an author make a (major) edit to a page. Shortly
- * after that the same author makes a minor edit (e.g. to fix
- * spelling mistakes he just made.)
- *
- * Now some time later, where cleaning out old saved revisions,
- * and would like to delete his minor revision (since there's
- * really no point in keeping minor revisions around for a long
- * time.)
- *
- * Note that the text after the minor revision probably represents
- * what the author intended to write better than the text after
- * the preceding major edit.
- *
- * So what we really want to do is merge the minor edit with the
- * preceding edit.
- *
- * We will only do this when:
- * <ul>
- * <li>The revision being deleted is a minor one, and
- * <li>It has the same author as the immediately preceding revision.
- * </ul>
- */
- function mergeRevision($version) {
- $backend = &$this->_wikidb->_backend;
- $cache = &$this->_wikidb->_cache;
- $pagename = &$this->_pagename;
- $version = $this->_coerce_to_version($version);
- if ($version == 0)
- return;
- $backend->lock(array('version'));
- $latestversion = $cache->get_latest_version($pagename);
- if ($latestversion && $version == $latestversion) {
- $backend->unlock(array('version'));
- trigger_error(sprintf("Attempt to merge most recent revision of '%s'",
- $pagename), E_USER_ERROR);
- return;
- }
- $versiondata = $cache->get_versiondata($pagename, $version, true);
- if (!$versiondata) {
- // Not there? ... we're done!
- $backend->unlock(array('version'));
- return;
- }
- if ($versiondata['is_minor_edit']) {
- $previous = $backend->get_previous_version($pagename, $version);
- if ($previous) {
- $prevdata = $cache->get_versiondata($pagename, $previous);
- if ($prevdata['author_id'] == $versiondata['author_id']) {
- // This is a minor revision, previous version is
- // by the same author. We will merge the
- // revisions.
- $cache->update_versiondata($pagename, $previous,
- array('%content' => $versiondata['%content'],
- '_supplanted' => $versiondata['_supplanted']));
- }
- }
- }
- $cache->delete_versiondata($pagename, $version);
- $backend->unlock(array('version'));
- }
-
- /**
- * Create a new revision of a {@link WikiDB_Page}.
- *
- * @access public
- *
- * @param int $version Version number for new revision.
- * To ensure proper serialization of edits, $version must be
- * exactly one higher than the current latest version.
- * (You can defeat this check by setting $version to
- * {@link WIKIDB_FORCE_CREATE} --- not usually recommended.)
- *
- * @param string $content Contents of new revision.
- *
- * @param hash $metadata Metadata for new revision.
- * All values in the hash should be scalars (strings or integers).
- *
- * @param array $links List of pagenames which this page links to.
- *
- * @return WikiDB_PageRevision Returns the new WikiDB_PageRevision object. If
- * $version was incorrect, returns false
- */
- function createRevision($version, &$content, $metadata, $links) {
- $backend = &$this->_wikidb->_backend;
- $cache = &$this->_wikidb->_cache;
- $pagename = &$this->_pagename;
- $cache->invalidate_cache($pagename);
-
- $backend->lock(array('version','page','recent','link','nonempty'));
- $latestversion = $backend->get_latest_version($pagename);
- $newversion = ($latestversion ? $latestversion : 0) + 1;
- assert($newversion >= 1);
- if ($version != WIKIDB_FORCE_CREATE and $version != $newversion) {
- $backend->unlock(array('version','page','recent','link','nonempty'));
- return false;
- }
- $data = $metadata;
-
- foreach ($data as $key => $val) {
- if (empty($val) || $key[0] == '_' || $key[0] == '%')
- unset($data[$key]);
- }
-
- assert(!empty($data['author']));
- if (empty($data['author_id']))
- @$data['author_id'] = $data['author'];
-
- if (empty($data['mtime']))
- $data['mtime'] = time();
- if ($latestversion and $version != WIKIDB_FORCE_CREATE) {
- // Ensure mtimes are monotonic.
- $pdata = $cache->get_versiondata($pagename, $latestversion);
- if ($data['mtime'] < $pdata['mtime']) {
- trigger_error(sprintf(_("%s: Date of new revision is %s"),
- $pagename,"'non-monotonic'"),
- E_USER_NOTICE);
- $data['orig_mtime'] = $data['mtime'];
- $data['mtime'] = $pdata['mtime'];
- }
-
- // FIXME: use (possibly user specified) 'mtime' time or
- // time()?
- $cache->update_versiondata($pagename, $latestversion,
- array('_supplanted' => $data['mtime']));
- }
- $data['%content'] = &$content;
- $cache->set_versiondata($pagename, $newversion, $data);
- //$cache->update_pagedata($pagename, array(':latestversion' => $newversion,
- //':deleted' => empty($content)));
-
- $backend->set_links($pagename, $links);
- $backend->unlock(array('version','page','recent','link','nonempty'));
- return new WikiDB_PageRevision($this->_wikidb, $pagename, $newversion,
- $data);
- }
- /** A higher-level interface to createRevision.
- *
- * This takes care of computing the links, and storing
- * a cached version of the transformed wiki-text.
- *
- * @param string $wikitext The page content.
- *
- * @param int $version Version number for new revision.
- * To ensure proper serialization of edits, $version must be
- * exactly one higher than the current latest version.
- * (You can defeat this check by setting $version to
- * {@link WIKIDB_FORCE_CREATE} --- not usually recommended.)
- *
- * @param hash $meta Meta-data for new revision.
- */
- function save($wikitext, $version, $meta) {
- $formatted = new TransformedText($this, $wikitext, $meta);
- $type = $formatted->getType();
- $meta['pagetype'] = $type->getName();
- $links = $formatted->getWikiPageLinks();
- $backend = &$this->_wikidb->_backend;
- $newrevision = $this->createRevision($version, $wikitext, $meta, $links);
- if ($newrevision and !WIKIDB_NOCACHE_MARKUP)
- $this->set('_cached_html', $formatted->pack());
- // FIXME: probably should have some global state information
- // in the backend to control when to optimize.
- //
- // We're doing this here rather than in createRevision because
- // postgresql can't optimize while locked.
- if ((DEBUG & _DEBUG_SQL)
- or (DATABASE_OPTIMISE_FREQUENCY > 0 and
- (time() % DATABASE_OPTIMISE_FREQUENCY == 0))) {
- if ($backend->optimize()) {
- if (DEBUG)
- trigger_error(_("Optimizing database"), E_USER_NOTICE);
- }
- }
- /* Generate notification emails? */
- if (isa($newrevision, 'WikiDB_PageRevision')) {
- // Save didn't fail because of concurrent updates.
- $notify = $this->_wikidb->get('notify');
- if (!empty($notify) and is_array($notify) and !isa($GLOBALS['request'],'MockRequest')) {
- list($emails, $userids) = $this->getPageChangeEmails($notify);
- if (!empty($emails)) {
- $this->sendPageChangeNotification($wikitext, $version, $meta, $emails, $userids);
- }
- }
- $newrevision->_transformedContent = $formatted;
- }
- return $newrevision;
- }
- function getPageChangeEmails($notify) {
- $emails = array(); $userids = array();
- foreach ($notify as $page => $users) {
- if (glob_match($page, $this->_pagename)) {
- foreach ($users as $userid => $user) {
- if (!$user) { // handle the case for ModeratePage: no prefs, just userid's.
- global $request;
- $u = $request->getUser();
- if ($u->UserName() == $userid) {
- $prefs = $u->getPreferences();
- } else {
- // not current user
- if (ENABLE_USER_NEW) {
- $u = WikiUser($userid);
- $u->getPreferences();
- $prefs = &$u->_prefs;
- } else {
- $u = new WikiUser($GLOBALS['request'], $userid);
- $prefs = $u->getPreferences();
- }
- }
- $emails[] = $prefs->get('email');
- $userids[] = $userid;
- } else {
- if (!empty($user['verified']) and !empty($user['email'])) {
- $emails[] = $user['email'];
- $userids[] = $userid;
- } elseif (!empty($user['email'])) {
- global $request;
- // do a dynamic emailVerified check update
- $u = $request->getUser();
- if ($u->UserName() == $userid) {
- if ($request->_prefs->get('emailVerified')) {
- $emails[] = $user['email'];
- $userids[] = $userid;
- $notify[$page][$userid]['verified'] = 1;
- $request->_dbi->set('notify', $notify);
- }
- } else {
- // not current user
- if (ENABLE_USER_NEW) {
- $u = WikiUser($userid);
- $u->getPreferences();
- $prefs = &$u->_prefs;
- } else {
- $u = new WikiUser($GLOBALS['request'], $userid);
- $prefs = $u->getPreferences();
- }
- if ($prefs->get('emailVerified')) {
- $emails[] = $user['email'];
- $userids[] = $userid;
- $notify[$page][$userid]['verified'] = 1;
- $request->_dbi->set('notify', $notify);
- }
- }
- // ignore verification
- /*
- if (DEBUG) {
- if (!in_array($user['email'],$emails))
- $emails[] = $user['email'];
- }
- */
- }
- }
- }
- }
- }
- $emails = array_unique($emails);
- $userids = array_unique($userids);
- return array($emails, $userids);
- }
- /**
- * Send udiff for a changed page to multiple users.
- * See rename and remove methods also
- */
- function sendPageChangeNotification(&$wikitext, $version, $meta, $emails, $userids) {
- global $request;
- if (@is_array($request->_deferredPageChangeNotification)) {
- // collapse multiple changes (loaddir) into one email
- $request->_deferredPageChangeNotification[]
- = array($this->_pagename, $emails, $userids);
- return;
- }
- $backend = &$this->_wikidb->_backend;
- //$backend = &$request->_dbi->_backend;
- $subject = _("Page change").' '.urlencode($this->_pagename);
- $previous = $backend->get_previous_version($this->_pagename, $version);
- if (!isset($meta['mtime'])) $meta['mtime'] = time();
- if ($previous) {
- $difflink = WikiURL($this->_pagename, array('action'=>'diff'), true);
- $cache = &$this->_wikidb->_cache;
- //$cache = &$request->_dbi->_cache;
- $this_content = explode("\n", $wikitext);
- $prevdata = $cache->get_versiondata($this->_pagename, $previous, true);
- if (empty($prevdata['%content']))
- $prevdata = $backend->get_versiondata($this->_pagename, $previous, true);
- $other_content = explode("\n", $prevdata['%content']);
-
- include_once("lib/difflib.php");
- $diff2 = new Diff($other_content, $this_content);
- //$context_lines = max(4, count($other_content) + 1,
- // count($this_content) + 1);
- $fmt = new UnifiedDiffFormatter(/*$context_lines*/);
- $content = $this->_pagename . " " . $previous . " " .
- Iso8601DateTime($prevdata['mtime']) . "\n";
- $content .= $this->_pagename . " " . $version . " " .
- Iso8601DateTime($meta['mtime']) . "\n";
- $content .= $fmt->format($diff2);
-
- } else {
- $difflink = WikiURL($this->_pagename,array(),true);
- $content = $this->_pagename . " " . $version . " " .
- Iso8601DateTime($meta['mtime']) . "\n";
- $content .= _("New page");
- }
- $from = $request->_user->getId();
- $editedby = sprintf(_("Edited by: %s"), $from);
- $emails = join(',',$emails);
- $headers = "From: $from <nobody>\r\n" .
- "Bcc: $emails\r\n" .
- "MIME-Version: 1.0\r\n" .
- "Content-Type: text/plain; charset=".CHARSET."; format=flowed\r\n" .
- "Content-Transfer-Encoding: 8bit";
- if (mail("<undisclosed-recipients>",
- "[".WIKI_NAME."] ".$subject,
- $subject."\n". $editedby."\n". $difflink."\n\n". $content,
- $headers))
- trigger_error(sprintf(_("PageChange Notification of %s sent to %s"),
- $this->_pagename, join(',',$userids)), E_USER_NOTICE);
- else
- trigger_error(sprintf(_("PageChange Notification Error: Couldn't send %s to %s"),
- $this->_pagename, join(',',$userids)), E_USER_WARNING);
- }
- /** support mass rename / remove (not yet tested)
- */
- function sendPageRenameNotification($to, &$meta, $emails, $userids) {
- global $request;
- if (@is_array($request->_deferredPageRenameNotification)) {
- $request->_deferredPageRenameNotification[] = array($this->_pagename,
- $to, $meta, $emails, $userids);
- } else {
- $oldname = $this->_pagename;
- $from = $request->_user->getId();
- $editedby = sprintf(_("Edited by: %s"), $from);
- $emails = join(',',$emails);
- $subject = sprintf(_("Page rename %s to %s"), urlencode($oldname), urlencode($to));
- $link = WikiURL($to, true);
- $headers = "From: $from <nobody>\r\n" .
- "Bcc: $emails\r\n" .
- "MIME-Version: 1.0\r\n" .
- "Content-Type: text/plain; charset=".CHARSET."; format=flowed\r\n" .
- "Content-Transfer-Encoding: 8bit";
- if (mail("<undisclosed-recipients>",
- "[".WIKI_NAME."] ".$subject,
- $subject."\n".$editedby."\n".$link."\n\n"."Renamed $from to $to",
- $headers))
- trigger_error(sprintf(_("PageChange Notification of %s sent to %s"),
- $oldname, join(',',$userids)), E_USER_NOTICE);
- else
- trigger_error(sprintf(_("PageChange Notification Error: Couldn't send %s to %s"),
- $oldname, join(',',$userids)), E_USER_WARNING);
- }
- }
- /**
- * Get the most recent revision of a page.
- *
- * @access public
- *
- * @return WikiDB_PageRevision The current WikiDB_PageRevision object.
- */
- function getCurrentRevision ($need_content = true) {
- $backend = &$this->_wikidb->_backend;
- $cache = &$this->_wikidb->_cache;
- $pagename = &$this->_pagename;
-
- // Prevent deadlock in case of memory exhausted errors
- // Pure selection doesn't really need locking here.
- // sf.net bug#927395
- // I know it would be better to lock, but with lots of pages this deadlock is more
- // severe than occasionally get not the latest revision.
- // In spirit to wikiwiki: read fast, edit slower.
- //$backend->lock();
- $version = $cache->get_latest_version($pagename);
- // getRevision gets the content also!
- $revision = $this->getRevision($version, $need_content);
- //$backend->unlock();
- assert($revision);
- return $revision;
- }
- /**
- * Get a specific revision of a WikiDB_Page.
- *
- * @access public
- *
- * @param integer $version Which revision to get.
- *
- * @return WikiDB_PageRevision The requested WikiDB_PageRevision object, or
- * false if the requested revision does not exist in the {@link WikiDB}.
- * Note that version zero of any page always exists.
- */
- function getRevision ($version, $need_content=true) {
- $cache = &$this->_wikidb->_cache;
- $pagename = &$this->_pagename;
-
- if (! $version or $version == -1) // 0 or false
- return new WikiDB_PageRevision($this->_wikidb, $pagename, 0);
- assert($version > 0);
- $vdata = $cache->get_versiondata($pagename, $version, $need_content);
- if (!$vdata) {
- return new WikiDB_PageRevision($this->_wikidb, $pagename, 0);
- }
- return new WikiDB_PageRevision($this->_wikidb, $pagename, $version,
- $vdata);
- }
- /**
- * Get previous page revision.
- *
- * This method find the most recent revision before a specified
- * version.
- *
- * @access public
- *
- * @param integer $version Find most recent revision before this version.
- * You can also use a WikiDB_PageRevision object to specify the $version.
- *
- * @return WikiDB_PageRevision The requested WikiDB_PageRevision object, or false if the
- * requested revision does not exist in the {@link WikiDB}. Note that
- * unless $version is greater than zero, a revision (perhaps version zero,
- * the default revision) will always be found.
- */
- function getRevisionBefore ($version=false, $need_content=true) {
- $backend = &$this->_wikidb->_backend;
- $pagename = &$this->_pagename;
- if ($version === false)
- $version = $this->_wikidb->_cache->get_latest_version($pagename);
- else
- $version = $this->_coerce_to_version($version);
- if ($version == 0)
- return false;
- //$backend->lock();
- $previous = $backend->get_previous_version($pagename, $version);
- $revision = $this->getRevision($previous, $need_content);
- //$backend->unlock();
- assert($revision);
- return $revision;
- }
- /**
- * Get all revisions of the WikiDB_Page.
- *
- * This does not include the version zero (default) revision in the
- * returned revision set.
- *
- * @return WikiDB_PageRevisionIterator A
- * WikiDB_PageRevisionIterator containing all revisions of this
- * WikiDB_Page in reverse order by version number.
- */
- function getAllRevisions() {
- $backend = &$this->_wikidb->_backend;
- $revs = $backend->get_all_revisions($this->_pagename);
- return new WikiDB_PageRevisionIterator($this->_wikidb, $revs);
- }
-
- /**
- * Find pages which link to or are linked from a page.
- *
- * @access public
- *
- * @param boolean $reversed Which links to find: true for backlinks (default).
- *
- * @return WikiDB_PageIterator A WikiDB_PageIterator containing
- * all matching pages.
- */
- function getLinks ($reversed = true, $include_empty=false, $sortby=false,
- $limit=false, $exclude=false) {
- $backend = &$this->_wikidb->_backend;
- $result = $backend->get_links($this->_pagename, $reversed,
- $include_empty, $sortby, $limit, $exclude);
- return new WikiDB_PageIterator($this->_wikidb, $result,
- array('include_empty' => $include_empty,
- 'sortby' => $sortby,
- 'limit' => $limit,
- 'exclude' => $exclude));
- }
- /**
- * All Links from other pages to this page.
- */
- function getBackLinks($include_empty=false, $sortby=false, $limit=false, $exclude=false) {
- return $this->getLinks(true, $include_empty, $sortby, $limit, $exclude);
- }
- /**
- * Forward Links: All Links from this page to other pages.
- */
- function getPageLinks($include_empty=false, $sortby=false, $limit=false, $exclude=false) {
- return $this->getLinks(false, $include_empty, $sortby, $limit, $exclude);
- }
-
- /**
- * possibly faster link existance check. not yet accelerated.
- */
- function existLink($link, $reversed=false) {
- $backend = &$this->_wikidb->_backend;
- if (method_exists($backend,'exists_link'))
- return $backend->exists_link($this->_pagename, $link, $reversed);
- //$cache = &$this->_wikidb->_cache;
- // TODO: check cache if it is possible
- $iter = $this->getLinks($reversed, false);
- while ($page = $iter->next()) {
- if ($page->getName() == $link)
- return $page;
- }
- $iter->free();
- return false;
- }
-
- /**
- * Access WikiDB_Page non version-specific meta-data.
- *
- * @access public
- *
- * @param string $key Which meta data to get.
- * Some reserved meta-data keys are:
- * <dl>
- * <dt>'date' <dd> Created as unixtime
- * <dt>'locked'<dd> Is page locked? 'yes' or 'no'
- * <dt>'hits' <dd> Page hit counter.
- * <dt>'_cached_html' <dd> Transformed CachedMarkup object, serialized + optionally gzipped.
- * In SQL stored now in an extra column.
- * Optional data:
- * <dt>'pref' <dd> Users preferences, stored only in homepages.
- * <dt>'owner' <dd> Default: first author_id. We might add a group with a dot here:
- * E.g. "owner.users"
- * <dt>'perm' <dd> Permission flag to authorize read/write/execution of
- * page-headers and content.
- + <dt>'moderation'<dd> ModeratedPage data
- * <dt>'score' <dd> Page score (not yet implement, do we need?)
- * </dl>
- *
- * @return scalar The requested value, or false if the requested data
- * is not set.
- */
- function get($key) {
- $cache = &$this->_wikidb->_cache;
- $backend = &$this->_wikidb->_backend;
- if (!$key || $key[0] == '%')
- return false;
- // several new SQL backends optimize this.
- if (!WIKIDB_NOCACHE_MARKUP
- and $key == '_cached_html'
- and method_exists($backend, 'get_cached_html'))
- {
- return $backend->get_cached_html($this->_pagename);
- }
- $data = $cache->get_pagedata($this->_pagename);
- return isset($data[$key]) ? $data[$key] : false;
- }
- /**
- * Get all the page meta-data as a hash.
- *
- * @return hash The page meta-data.
- */
- function getMetaData() {
- $cache = &$this->_wikidb->_cache;
- $data = $cache->get_pagedata($this->_pagename);
- $meta = array();
- foreach ($data as $key => $val) {
- if (/*!empty($val) &&*/ $key[0] != '%')
- $meta[$key] = $val;
- }
- return $meta;
- }
- /**
- * Set page meta-data.
- *
- * @see get
- * @access public
- *
- * @param string $key Meta-data key to set.
- * @param string $newval New value.
- */
- function set($key, $newval) {
- $cache = &$this->_wikidb->_cache;
- $backend = &$this->_wikidb->_backend;
- $pagename = &$this->_pagename;
-
- assert($key && $key[0] != '%');
- // several new SQL backends optimize this.
- if (!WIKIDB_NOCACHE_MARKUP
- and $key == '_cached_html'
- and method_exists($backend, 'set_cached_html'))
- {
- return $backend->set_cached_html($pagename, $newval);
- }
- $data = $cache->get_pagedata($pagename);
- if (!empty($newval)) {
- if (!empty($data[$key]) && $data[$key] == $newval)
- return; // values identical, skip update.
- }
- else {
- if (empty($data[$key]))
- return; // values identical, skip update.
- }
- $cache->update_pagedata($pagename, array($key => $newval));
- }
- /**
- * Increase page hit count.
- *
- * FIXME: IS this needed? Probably not.
- *
- * This is a convenience function.
- * <pre> $page->increaseHitCount(); </pre>
- * is functionally identical to
- * <pre> $page->set('hits',$page->get('hits')+1); </pre>
- * but less expensive (ignores the pagadata string)
- *
- * Note that this method may be implemented in more efficient ways
- * in certain backends.
- *
- * @access public
- */
- function increaseHitCount() {
- if (method_exists($this->_wikidb->_backend, 'increaseHitCount'))
- $this->_wikidb->_backend->increaseHitCount($this->_pagename);
- else {
- @$newhits = $this->get('hits') + 1;
- $this->set('hits', $newhits);
- }
- }
- /**
- * Return a string representation of the WikiDB_Page
- *
- * This is really only for debugging.
- *
- * @access public
- *
- * @return string Printable representation of the WikiDB_Page.
- */
- function asString () {
- ob_start();
- printf("[%s:%s\n", get_class($this), $this->getName());
- print_r($this->getMetaData());
- echo "]\n";
- $strval = ob_get_contents();
- ob_end_clean();
- return $strval;
- }
- /**
- * @access private
- * @param integer_or_object $version_or_pagerevision
- * Takes either the version number (and int) or a WikiDB_PageRevision
- * object.
- * @return integer The version number.
- */
- function _coerce_to_version($version_or_pagerevision) {
- if (method_exists($version_or_pagerevision, "getContent"))
- $version = $version_or_pagerevision->getVersion();
- else
- $version = (int) $version_or_pagerevision;
- assert($version >= 0);
- return $version;
- }
- function isUserPage ($include_empty = true) {
- if (!$include_empty and !$this->exists()) return false;
- return $this->get('pref') ? true : false;
- }
- // May be empty. Either the stored owner (/Chown), or the first authorized author
- function getOwner() {
- if ($owner = $this->get('owner'))
- return ($owner == "The PhpWiki programming team") ? ADMIN_USER : $owner;
- // check all revisions forwards for the first author_id
- $backend = &$this->_wikidb->_backend;
- $pagename = &$this->_pagename;
- $latestversion = $backend->get_latest_version($pagename);
- for ($v=1; $v <= $latestversion; $v++) {
- $rev = $this->getRevision($v,false);
- if ($rev and $owner = $rev->get('author_id')) {
- return ($owner == "The PhpWiki programming team") ? ADMIN_USER : $owner;
- }
- }
- return '';
- }
- // The authenticated author of the first revision or empty if not authenticated then.
- function getCreator() {
- if ($current = $this->getRevision(1,false)) return $current->get('author_id');
- else return '';
- }
- // The authenticated author of the current revision.
- function getAuthor() {
- if ($current = $this->getCurrentRevision(false)) return $current->get('author_id');
- else return '';
- }
- };
- /**
- * This class represents a specific revision of a WikiDB_Page within
- * a WikiDB.
- *
- * A WikiDB_PageRevision has read-only semantics. You may only create
- * new revisions (and delete old ones) --- you cannot modify existing
- * revisions.
- */
- class WikiDB_PageRevision
- {
- //var $_transformedContent = false; // set by WikiDB_Page::save()
-
- function WikiDB_PageRevision(&$wikidb, $pagename, $version, $versiondata = false) {
- $this->_wikidb = &$wikidb;
- $this->_pagename = $pagename;
- $this->_version = $version;
- $this->_data = $versiondata ? $versiondata : array();
- $this->_transformedContent = false; // set by WikiDB_Page::save()
- }
-
- /**
- * Get the WikiDB_Page which this revision belongs to.
- *
- * @access public
- *
- * @return WikiDB_Page The WikiDB_Page which this revision belongs to.
- */
- function getPage() {
- return new WikiDB_Page($this->_wikidb, $this->_pagename);
- }
- /**
- * Get the version number of this revision.
- *
- * @access public
- *
- * @return integer The version number of this revision.
- */
- function getVersion() {
- return $this->_version;
- }
-
- /**
- * Determine whether this revision has defaulted content.
- *
- * The default revision (version 0) of each page, as well as any
- * pages which are created with empty content have their content
- * defaulted to something like:
- * <pre>
- * Describe [ThisPage] here.
- * </pre>
- *
- * @access public
- *
- * @return boolean Returns true if the page has default content.
- */
- function hasDefaultContents() {
- $data = &$this->_data;
- return empty($data['%content']); // FIXME: what if it's the number 0? <>'' or === false
- }
- /**
- * Get the content as an array of lines.
- *
- * @access public
- *
- * @return array An array of lines.
- * The lines should contain no trailing white space.
- */
- function getContent() {
- return explode("\n", $this->getPackedContent());
- }
-
- /**
- * Get the pagename of the revision.
- *
- * @access public
- *
- * @return string pagename.
- */
- function getPageName() {
- return $this->_pagename;
- }
- function getName() {
- return $this->_pagename;
- }
- /**
- * Determine whether revision is the latest.
- *
- * @access public
- *
- * @return boolean True iff the revision is the latest (most recent) one.
- */
- function isCurrent() {
- if (!isset($this->_iscurrent)) {
- $page = $this->getPage();
- $current = $page->getCurrentRevision(false);
- $this->_iscurrent = $this->getVersion() == $current->getVersion();
- }
- return $this->_iscurrent;
- }
- /**
- * Get the transformed content of a page.
- *
- * @param string $pagetype Override the page-type of the revision.
- *
- * @return object An XmlContent-like object containing the page transformed
- * contents.
- */
- function getTransformedContent($pagetype_override=false) {
- $backend = &$this->_wikidb->_backend;
-
- if ($pagetype_override) {
- // Figure out the normal page-type for this page.
- $type = PageType::GetPageType($this->get('pagetype'));
- if ($type->getName() == $pagetype_override)
- $pagetype_override = false; // Not really an override...
- }
- if ($pagetype_override) {
- // Overriden page type, don't cache (or check cache).
- return new TransformedText($this->getPage(),
- $this->getPackedContent(),
- $this->getMetaData(),
- $pagetype_override);
- }
- $possibly_cache_results = true;
- if (!USECACHE or WIKIDB_NOCACHE_MARKUP) {
- if (WIKIDB_NOCACHE_MARKUP == 'purge') {
- // flush cache for this page.
- $page = $this->getPage();
- $page->set('_cached_html', ''); // ignored with !USECACHE
- }
- $possibly_cache_results = false;
- }
- elseif (USECACHE and !$this->_transformedContent) {
- //$backend->lock();
- if ($this->isCurrent()) {
- $page = $this->getPage();
- $this->_transformedContent = TransformedText::unpack($page->get('_cached_html'));
- }
- else {
- $possibly_cache_results = false;
- }
- //$backend->unlock();
- }
-
- if (!$this->_transformedContent) {
- $this->_transformedContent
- = new TransformedText($this->getPage(),
- $this->getPackedContent(),
- $this->getMetaData());
-
- if ($possibly_cache_results and !WIKIDB_NOCACHE_MARKUP) {
- // If we're still the current version, cache the transfomed page.
- //$backend->lock();
- if ($this->isCurrent()) {
- $page->set('_cached_html', $this->_transformedContent->pack());
- }
- //$backend->unlock();
- }
- }
- return $this->_transformedContent;
- }
- /**
- * Get the content as a string.
- *
- * @access public
- *
- * @return string The page content.
- * Lines are separated by new-lines.
- */
- function getPackedContent() {
- $data = &$this->_data;
-
- if (empty($data['%content'])) {
- include_once('lib/InlineParser.php');
- // A feature similar to taglines at http://www.wlug.org.nz/
- // Lib from http://www.aasted.org/quote/
- if (defined('FORTUNE_DIR')
- and is_dir(FORTUNE_DIR)
- and in_array($GLOBALS['request']->getArg('action'),
- array('create','edit')))
- {
- include_once("lib/fortune.php");
- $fortune = new Fortune();
- $quote = str_replace("\n<br>","\n", $fortune->quoteFromDir(FORTUNE_DIR));
- return sprintf("<verbatim>\n%s</verbatim>\n\n"._("Describe %s here."),
- $quote, "[" . WikiEscape($this->_pagename) . "]");
- }
- // Replace empty content with default value.
- return sprintf(_("Describe %s here."),
- "[" . WikiEscape($this->_pagename) . "]");
- }
- // There is (non-default) content.
- assert($this->_version > 0);
-
- if (!is_string($data['%content'])) {
- // Content was not provided to us at init time.
- // (This is allowed because for some backends, fetching
- // the content may be expensive, and often is not wanted
- // by the user.)
- //
- // In any case, now we need to get it.
- $data['%content'] = $this->_get_content();
- assert(is_string($data['%content']));
- }
-
- return $data['%content'];
- }
- function _get_content() {
- $cache = &$this->_wikidb->_cache;
- $pagename = $this->_pagename;
- $version = $this->_version;
- assert($version > 0);
-
- $newdata = $cache->get_versiondata($pagename, $version, true);
- if ($newdata) {
- assert(is_string($newdata['%content']));
- return $newdata['%content'];
- }
- else {
- // else revision has been deleted... What to do?
- return __sprintf("Oops! Revision %s of %s seems to have been deleted!",
- $version, $pagename);
- }
- }
- /**
- * Get meta-data for this revision.
- *
- *
- * @access public
- *
- * @param string $key Which meta-data to access.
- *
- * Some reserved revision meta-data keys are:
- * <dl>
- * <dt> 'mtime' <dd> Time this revision was created (seconds since midnight Jan 1, 1970.)
- * The 'mtime' meta-value is normally set automatically by the database
- * backend, but it may be specified explicitly when creating a new revision.
- * <dt> orig_mtime
- * <dd> To ensure consistency of RecentChanges, the mtimes of the versions
- * of a page must be monotonically increasing. If an attempt is
- * made to create a new revision with an mtime less than that of
- * the preceeding revision, the new revisions timestamp is force
- * to be equal to that of the preceeding revision. In that case,
- * the originally requested mtime is preserved in 'orig_mtime'.
- * <dt> '_supplanted' <dd> Time this revision ceased to be the most recent.
- * This meta-value is <em>always</em> automatically maintained by the database
- * backend. (It is set from the 'mtime' meta-value of the superceding
- * revision.) '_supplanted' has a value of 'false' for the current revision.
- *
- * FIXME: this could be refactored:
- * <dt> author
- * <dd> Author of the page (as he should be reported in, e.g. RecentChanges.)
- * <dt> author_id
- * <dd> Authenticated author of a page. This is used to identify
- * the distinctness of authors when cleaning old revisions from
- * the database.
- * <dt> 'is_minor_edit' <dd> Set if change was marked as a minor revision by the author.
- * <dt> 'summary' <dd> Short change summary entered by page author.
- * </dl>
- *
- * Meta-data keys must be valid C identifers (they have to start with a letter
- * or underscore, and can contain only alphanumerics and underscores.)
- *
- * @return string The requested value, or false if the requested value
- * is not defined.
- */
- function get($key) {
- if (!$key || $key[0] == '%')
- return false;
- $data = &$this->_data;
- return isset($data[$key]) ? $data[$key] : false;
- }
- /**
- * Get all the revision page meta-data as a hash.
- *
- * @return hash The revision meta-data.
- */
- function getMetaData() {
- $meta = array();
- foreach ($this->_data as $key => $val) {
- if (!empty($val) && $key[0] != '%')
- $meta[$key] = $val;
- }
- return $meta;
- }
-
-
- /**
- * Return a string representation of the revision.
- *
- * This is really only for debugging.
- *
- * @access public
- *
- * @return string Printable representation of the WikiDB_Page.
- */
- function asString () {
- ob_start();
- printf("[%s:%d\n", get_class($this), $this->get('version'));
- print_r($this->_data);
- echo $this->getPackedContent() . "\n]\n";
- $strval = ob_get_contents();
- ob_end_clean();
- return $strval;
- }
- };
- /**
- * Class representing a sequence of WikiDB_Pages.
- * TODO: Enhance to php5 iterators
- * TODO:
- * apply filters for options like 'sortby', 'limit', 'exclude'
- * for simple queries like titleSearch, where the backend is not ready yet.
- */
- class WikiDB_PageIterator
- {
- function WikiDB_PageIterator(&$wikidb, &$iter, $options=false) {
- $this->_iter = $iter; // a WikiDB_backend_iterator
- $this->_wikidb = &$wikidb;
- $this->_options = $options;
- }
-
- function count () {
- return $this->_iter->count();
- }
- /**
- * Get next WikiDB_Page in sequence.
- *
- * @access public
- *
- * @return WikiDB_Page The next WikiDB_Page in the sequence.
- */
- function next () {
- if ( ! ($next = $this->_iter->next()) )
- return false;
- $pagename = &$next['pagename'];
- if (!is_string($pagename)) { // Bug #1327912 fixed by Joachim Lous
- $pagename = strval($pagename);
- }
- if (!$pagename) {
- trigger_error('empty pagename in WikiDB_PageIterator::next()', E_USER_WARNING);
- var_dump($next);
- return false;
- }
- // There's always hits, but we cache only if more
- // (well not with file, cvs and dba)
- if (isset($next['pagedata']) and count($next['pagedata']) > 1) {
- $this->_wikidb->_cache->cache_data($next);
- // cache existing page id's since we iterate over all links in GleanDescription
- // and need them later for LinkExistingWord
- } elseif ($this->_options and array_key_exists('include_empty', $this->_options)
- and !$this->_options['include_empty'] and isset($next['id'])) {
- $this->_wikidb->_cache->_id_cache[$next['pagename']] = $next['id'];
- }
- return new WikiDB_Page($this->_wikidb, $pagename);
- }
- /**
- * Release resources held by this iterator.
- *
- * The iterator may not be used after free() is called.
- *
- * There is no need to call free(), if next() has returned false.
- * (I.e. if you iterate through all the pages in the sequence,
- * you do not need to call free() --- you only need to call it
- * if you stop before the end of the iterator is reached.)
- *
- * @access public
- */
- function free() {
- $this->_iter->free();
- }
-
- function asArray() {
- $result = array();
- while ($page = $this->next())
- $result[] = $page;
- //$this->reset();
- return $result;
- }
-
- /**
- * Apply filters for options like 'sortby', 'limit', 'exclude'
- * for simple queries like titleSearch, where the backend is not ready yet.
- * Since iteration is usually destructive for SQL results,
- * we have to generate a copy.
- */
- function applyFilters($options = false) {
- if (!$options) $options = $this->_options;
- if (isset($options['sortby'])) {
- $array = array();
- /* this is destructive */
- while ($page = $this->next())
- $result[] = $page->getName();
- $this->_doSort($array, $options['sortby']);
- }
- /* the rest is not destructive.
- * reconstruct a new iterator
- */
- $pagenames = array(); $i = 0;
- if (isset($options['limit']))
- $limit = $options['limit'];
- else
- $limit = 0;
- if (isset($options['exclude']))
- $exclude = $options['exclude'];
- if (is_string($exclude) and !is_array($exclude))
- $exclude = PageList::explodePageList($exclude, false, false, $limit);
- foreach($array as $pagename) {
- if ($limit and $i++ > $limit)
- return new WikiDB_Array_PageIterator($pagenames);
- if (!empty($exclude) and !in_array($pagename, $exclude))
- $pagenames[] = $pagename;
- elseif (empty($exclude))
- $pagenames[] = $pagename;
- }
- return new WikiDB_Array_PageIterator($pagenames);
- }
- /* pagename only */
- function _doSort(&$array, $sortby) {
- $sortby = PageList::sortby($sortby, 'init');
- if ($sortby == '+pagename')
- sort($array, SORT_STRING);
- elseif ($sortby == '-pagename')
- rsort($array, SORT_STRING);
- reset($array);
- }
- };
- /**
- * A class which represents a sequence of WikiDB_PageRevisions.
- * TODO: Enhance to php5 iterators
- */
- class WikiDB_PageRevisionIterator
- {
- function WikiDB_PageRevisionIterator(&$wikidb, &$revisions, $options=false) {
- $this->_revisions = $revisions;
- $this->_wikidb = &$wikidb;
- $this->_options = $options;
- }
-
- function count () {
- return $this->_revisions->count();
- }
- /**
- * Get next WikiDB_PageRevision in sequence.
- *
- * @access public
- *
- * @return WikiDB_PageRevision
- * The next WikiDB_PageRevision in the sequence.
- */
- function next () {
- if ( ! ($next = $this->_revisions->next()) )
- return false;
- //$this->_wikidb->_cache->cache_data($next);
- $pagename = $next['pagename'];
- $version = $next['version'];
- $versiondata = $next['versiondata'];
- if (DEBUG) {
- if (!(is_string($pagename) and $pagename != '')) {
- trigger_error("empty pagename",E_USER_WARNING);
- return false;
- }
- } else assert(is_string($pagename) and $pagename != '');
- if (DEBUG) {
- if (!is_array($versiondata)) {
- trigger_error("empty versiondata",E_USER_WARNING);
- return false;
- }
- } else assert(is_array($versiondata));
- if (DEBUG) {
- if (!($version > 0)) {
- trigger_error("invalid version",E_USER_WARNING);
- return false;
- }
- } else assert($version > 0);
- return new WikiDB_PageRevision($this->_wikidb, $pagename, $version,
- $versiondata);
- }
- /**
- * Release resources held by this iterator.
- *
- * The iterator may not be used after free() is called.
- *
- * There is no need to call free(), if next() has returned false.
- * (I.e. if you iterate through all the revisions in the sequence,
- * you do not need to call free() --- you only need to call it
- * if you stop before the end of the iterator is reached.)
- *
- * @access public
- */
- function free() {
- $this->_revisions->free();
- }
- function asArray() {
- $result = array();
- while ($rev = $this->next())
- $result[] = $rev;
- $this->free();
- return $result;
- }
- };
- /** pseudo iterator
- */
- class WikiDB_Array_PageIterator
- {
- function WikiDB_Array_PageIterator($pagenames) {
- global $request;
- $this->_dbi = $request->getDbh();
- $this->_pages = $pagenames;
- reset($this->_pages);
- }
- function next() {
- $c =& current($this->_pages);
- next($this->_pages);
- return $c !== false ? $this->_dbi->getPage($c) : false;
- }
- function count() {
- return count($this->_pages);
- }
- function free() {}
- function asArray() {
- reset($this->_pages);
- return $this->_pages;
- }
- }
- class WikiDB_Array_generic_iter
- {
- function WikiDB_Array_generic_iter($result) {
- // $result may be either an array or a query result
- if (is_array($result)) {
- $this->_array = $result;
- } elseif (is_object($result)) {
- $this->_array = $result->asArray();
- } else {
- $this->_array = array();
- }
- if (!empty($this->_array))
- reset($this->_array);
- }
- function next() {
- $c =& current($this->_array);
- next($this->_array);
- return $c !== false ? $c : false;
- }
- function count() {
- return count($this->_array);
- }
- function free() {}
- function asArray() {
- if (!empty($this->_array))
- reset($this->_array);
- return $this->_array;
- }
- }
- /**
- * Data cache used by WikiDB.
- *
- * FIXME: Maybe rename this to caching_backend (or some such).
- *
- * @access private
- */
- class WikiDB_cache
- {
- // FIXME: beautify versiondata cache. Cache only limited data?
- function WikiDB_cache (&$backend) {
- $this->_backend = &$backend;
- $this->_pagedata_cache = array();
- $this->_versiondata_cache = array();
- array_push ($this->_versiondata_cache, array());
- $this->_glv_cache = array();
- $this->_id_cache = array(); // formerly ->_dbi->_iwpcache (nonempty pages => id)
- }
-
- function close() {
- $this->_pagedata_cache = array();
- $this->_versiondata_cache = array();
- $this->_glv_cache = array();
- $this->_id_cache = array();
- }
- function get_pagedata($pagename) {
- assert(is_string($pagename) && $pagename != '');
- if (USECACHE) {
- $cache = &$this->_pagedata_cache;
- if (!isset($cache[$pagename]) || !is_array($cache[$pagename])) {
- $cache[$pagename] = $this->_backend->get_pagedata($pagename);
- if (empty($cache[$pagename]))
- $cache[$pagename] = array();
- }
- return $cache[$pagename];
- } else {
- return $this->_backend->get_pagedata($pagename);
- }
- }
-
- function update_pagedata($pagename, $newdata) {
- assert(is_string($pagename) && $pagename != '');
-
- $this->_backend->update_pagedata($pagename, $newdata);
- if (USECACHE) {
- if (!empty($this->_pagedata_cache[$pagename])
- and is_array($this->_pagedata_cache[$pagename]))
- {
- $cachedata = &$this->_pagedata_cache[$pagename];
- foreach($newdata as $key => $val)
- $cachedata[$key] = $val;
- } else
- $this->_pagedata_cache[$pagename] = $newdata;
- }
- }
- function invalidate_cache($pagename) {
- unset ($this->_pagedata_cache[$pagename]);
- unset ($this->_versiondata_cache[$pagename]);
- unset ($this->_glv_cache[$pagename]);
- unset ($this->_id_cache[$pagename]);
- //unset ($this->_backend->_page_data);
- }
-
- function delete_page($pagename) {
- $result = $this->_backend->delete_page($pagename);
- $this->invalidate_cache($pagename);
- return $result;
- }
- function purge_page($pagename) {
- $result = $this->_backend->purge_page($pagename);
- $this->invalidate_cache($pagename);
- return $result;
- }
- // FIXME: ugly and wrong. may overwrite full cache with partial cache
- function cache_data($data) {
- ;
- //if (isset($data['pagedata']))
- // $this->_pagedata_cache[$data['pagename']] = $data['pagedata'];
- }
-
- function get_versiondata($pagename, $version, $need_content = false) {
- // FIXME: Seriously ugly hackage
- $readdata = false;
- if (USECACHE) { //temporary - for debugging
- assert(is_string($pagename) && $pagename != '');
- // There is a bug here somewhere which results in an assertion failure at line 105
- // of ArchiveCleaner.php It goes away if we use the next line.
- //$need_content = true;
- $nc = $need_content ? '1':'0';
- $cache = &$this->_versiondata_cache;
- if (!isset($cache[$pagename][$version][$nc])
- || !(is_array ($cache[$pagename]))
- || !(is_array ($cache[$pagename][$version])))
- {
- $cache[$pagename][$version][$nc] =
- $this->_backend->get_versiondata($pagename, $version, $need_content);
- $readdata = true;
- // If we have retrieved all data, we may as well set the cache for
- // $need_content = false
- if ($need_content){
- $cache[$pagename][$version]['0'] =& $cache[$pagename][$version]['1'];
- }
- }
- $vdata = $cache[$pagename][$version][$nc];
- } else {
- $vdata = $this->_backend->get_versiondata($pagename, $version, $need_content);
- $readdata = true;
- }
- if ($readdata && $vdata && !empty($vdata['%pagedata'])) {
- $this->_pagedata_cache[$pagename] =& $vdata['%pagedata'];
- }
- return $vdata;
- }
- function set_versiondata($pagename, $version, $data) {
- //unset($this->_versiondata_cache[$pagename][$version]);
-
- $new = $this->_backend->set_versiondata($pagename, $version, $data);
- // Update the cache
- $this->_versiondata_cache[$pagename][$version]['1'] = $data;
- $this->_versiondata_cache[$pagename][$version]['0'] = $data;
- // Is this necessary?
- unset($this->_glv_cache[$pagename]);
- }
- function update_versiondata($pagename, $version, $data) {
- $new = $this->_backend->update_versiondata($pagename, $version, $data);
- // Update the cache
- $this->_versiondata_cache[$pagename][$version]['1'] = $data;
- // FIXME: hack
- $this->_versiondata_cache[$pagename][$version]['0'] = $data;
- // Is this necessary?
- unset($this->_glv_cache[$pagename]);
- }
- function delete_versiondata($pagename, $version) {
- $new = $this->_backend->delete_versiondata($pagename, $version);
- if (isset($this->_versiondata_cache[$pagename][$version]))
- unset ($this->_versiondata_cache[$pagename][$version]);
- // dirty latest version cache only if latest version gets deleted
- if (isset($this->_glv_cache[$pagename]) and $this->_glv_cache[$pagename] == $version)
- unset ($this->_glv_cache[$pagename]);
- }
-
- function get_latest_version($pagename) {
- if (USECACHE) {
- assert (is_string($pagename) && $pagename != '');
- $cache = &$this->_glv_cache;
- if (!isset($cache[$pagename])) {
- $cache[$pagename] = $this->_backend->get_latest_version($pagename);
- if (empty($cache[$pagename]))
- $cache[$pagename] = 0;
- }
- return $cache[$pagename];
- } else {
- return $this->_backend->get_latest_version($pagename);
- }
- }
- };
- function _sql_debuglog($msg, $newline=true, $shutdown=false) {
- static $fp = false;
- static $i = 0;
- if (!$fp) {
- $stamp = strftime("%y%m%d-%H%M%S");
- $fp = fopen("/tmp/sql-$stamp.log", "a");
- register_shutdown_function("_sql_debuglog_shutdown_function");
- } elseif ($shutdown) {
- fclose($fp);
- return;
- }
- if ($newline) fputs($fp, "[$i++] $msg");
- else fwrite($fp, $msg);
- }
- function _sql_debuglog_shutdown_function() {
- _sql_debuglog('',false,true);
- }
- // $Log: WikiDB.php,v $
- // fix bug #1327912 numeric pagenames can break plugins (Joachim Lous)
- // pass stoplist through iterator
- //
- // Revision 1.137 2005/10/12 06:16:18 rurban
- // better From header
- //
- // Revision 1.136 2005/10/03 16:14:57 rurban
- // improve description
- //
- // Revision 1.135 2005/09/11 14:19:44 rurban
- // enable LIMIT support for fulltext search
- //
- // Revision 1.134 2005/09/10 21:28:10 rurban
- // applyFilters hack to use filters after methods, which do not support them (titleSearch)
- //
- // Revision 1.133 2005/08/27 09:39:10 rurban
- // dumphtml when not at admin page: dump the current or given page
- //
- // Revision 1.132 2005/08/07 10:10:07 rurban
- // clean whole version cache
- //
- // Revision 1.131 2005/04/23 11:30:12 rurban
- // allow emtpy WikiDB::getRevisionBefore(), for simplier templates (revert)
- //
- // Revision 1.130 2005/04/06 06:19:30 rurban
- // Revert the previous wrong bugfix #1175761: USECACHE was mixed with WIKIDB_NOCACHE_MARKUP.
- // Fix WIKIDB_NOCACHE_MARKUP in main (always set it) and clarify it in WikiDB
- //
- // Revision 1.129 2005/04/06 05:50:29 rurban
- // honor !USECACHE for _cached_html, fixes #1175761
- //
- // Revision 1.128 2005/04/01 16:11:42 rurban
- // just whitespace
- //
- // Revision 1.127 2005/02/18 20:43:40 uckelman
- // WikiDB::genericWarnings() is no longer used.
- //
- // Revision 1.126 2005/02/04 17:58:06 rurban
- // minor versioncache improvement. part 2/3 of Charles Corrigan cache patch. not sure about the 0/1 issue
- //
- // Revision 1.125 2005/02/03 05:08:39 rurban
- // ref fix by Charles Corrigan
- //
- // Revision 1.124 2005/01/29 20:43:32 rurban
- // protect against empty request: on some occasion this happens
- //
- // Revision 1.123 2005/01/25 06:58:21 rurban
- // reformatting
- //
- // Revision 1.122 2005/01/20 10:18:17 rurban
- // reformatting
- //
- // Revision 1.121 2005/01/04 20:25:01 rurban
- // remove old [%pagedata][_cached_html] code
- //
- // Revision 1.120 2004/12/23 14:12:31 rurban
- // dont email on unittest
- //
- // Revision 1.119 2004/12/20 16:05:00 rurban
- // gettext msg unification
- //
- // Revision 1.118 2004/12/13 13:22:57 rurban
- // new BlogArchives plugin for the new blog theme. enable default box method
- // for all plugins. Minor search improvement.
- //
- // Revision 1.117 2004/12/13 08:15:09 rurban
- // false is wrong. null might be better but lets play safe.
- //
- // Revision 1.116 2004/12/10 22:15:00 rurban
- // fix $page->get('_cached_html)
- // refactor upgrade db helper _convert_cached_html() to be able to call them from WikiAdminUtils also.
- // support 2nd genericSqlQuery param (bind huge arg)
- //
- // Revision 1.115 2004/12/10 02:45:27 rurban
- // SQL optimization:
- // put _cached_html from pagedata into a new seperate blob, not huge serialized string.
- // it is only rarelely needed: for current page only, if-not-modified
- // but was extracted for every simple page iteration.
- //
- // Revision 1.114 2004/12/09 22:24:44 rurban
- // optimize on _DEBUG_SQL only. but now again on every 50th request, not just save.
- //
- // Revision 1.113 2004/12/06 19:49:55 rurban
- // enable action=remove which is undoable and seeable in RecentChanges: ADODB ony for now.
- // renamed delete_page to purge_page.
- // enable action=edit&version=-1 to force creation of a new version.
- // added BABYCART_PATH config
- // fixed magiqc in adodb.inc.php
- // and some more docs
- //
- // Revision 1.112 2004/11/30 17:45:53 rurban
- // exists_links backend implementation
- //
- // Revision 1.111 2004/11/28 20:39:43 rurban
- // deactivate pagecache overwrite: it is wrong
- //
- // Revision 1.110 2004/11/26 18:39:01 rurban
- // new regex search parser and SQL backends (90% complete, glob and pcre backends missing)
- //
- // Revision 1.109 2004/11/25 17:20:50 rurban
- // and again a couple of more native db args: backlinks
- //
- // Revision 1.108 2004/11/23 13:35:31 rurban
- // add case_exact search
- //
- // Revision 1.107 2004/11/21 11:59:16 rurban
- // remove final \n to be ob_cache independent
- //
- // Revision 1.106 2004/11/20 17:35:56 rurban
- // improved WantedPages SQL backends
- // PageList::sortby new 3rd arg valid_fields (override db fields)
- // WantedPages sql pager inexact for performance reasons:
- // assume 3 wantedfrom per page, to be correct, no getTotal()
- // support exclude argument for get_all_pages, new _sql_set()
- //
- // Revision 1.105 2004/11/20 09:16:27 rurban
- // Fix bad-style Cut&Paste programming errors, detected by Charles Corrigan.
- //
- // Revision 1.104 2004/11/19 19:22:03 rurban
- // ModeratePage part1: change status
- //
- // Revision 1.103 2004/11/16 17:29:04 rurban
- // fix remove notification error
- // fix creation + update id_cache update
- //
- // Revision 1.102 2004/11/11 18:31:26 rurban
- // add simple backtrace on such general failures to get at least an idea where
- //
- // Revision 1.101 2004/11/10 19:32:22 rurban
- // * optimize increaseHitCount, esp. for mysql.
- // * prepend dirs to the include_path (phpwiki_dir for faster searches)
- // * Pear_DB version logic (awful but needed)
- // * fix broken ADODB quote
- // * _extract_page_data simplification
- //
- // Revision 1.100 2004/11/10 15:29:20 rurban
- // * requires newer Pear_DB (as the internal one): quote() uses now escapeSimple for strings
- // * ACCESS_LOG_SQL: fix cause request not yet initialized
- // * WikiDB: moved SQL specific methods upwards
- // * new Pear_DB quoting: same as ADODB and as newer Pear_DB.
- // fixes all around: WikiGroup, WikiUserNew SQL methods, SQL logging
- //
- // Revision 1.99 2004/11/09 17:11:05 rurban
- // * revert to the wikidb ref passing. there's no memory abuse there.
- // * use new wikidb->_cache->_id_cache[] instead of wikidb->_iwpcache, to effectively
- // store page ids with getPageLinks (GleanDescription) of all existing pages, which
- // are also needed at the rendering for linkExistingWikiWord().
- // pass options to pageiterator.
- // use this cache also for _get_pageid()
- // This saves about 8 SELECT count per page (num all pagelinks).
- // * fix passing of all page fields to the pageiterator.
- // * fix overlarge session data which got broken with the latest ACCESS_LOG_SQL changes
- //
- // Revision 1.98 2004/11/07 18:34:29 rurban
- // more logging fixes
- //
- // Revision 1.97 2004/11/07 16:02:51 rurban
- // new sql access log (for spam prevention), and restructured access log class
- // dbh->quote (generic)
- // pear_db: mysql specific parts seperated (using replace)
- //
- // Revision 1.96 2004/11/05 22:32:15 rurban
- // encode the subject to be 7-bit safe
- //
- // Revision 1.95 2004/11/05 20:53:35 rurban
- // login cleanup: better debug msg on failing login,
- // checked password less immediate login (bogo or anon),
- // checked olduser pref session error,
- // better PersonalPage without password warning on minimal password length=0
- // (which is default now)
- //
- // Revision 1.94 2004/11/01 10:43:56 rurban
- // seperate PassUser methods into seperate dir (memory usage)
- // fix WikiUser (old) overlarge data session
- // remove wikidb arg from various page class methods, use global ->_dbi instead
- // ...
- //
- // Revision 1.93 2004/10/14 17:17:57 rurban
- // remove dbi WikiDB_Page param: use global request object instead. (memory)
- // allow most_popular sortby arguments
- //
- // Revision 1.92 2004/10/05 17:00:04 rurban
- // support paging for simple lists
- // fix RatingDb sql backend.
- // remove pages from AllPages (this is ListPages then)
- //
- // Revision 1.91 2004/10/04 23:41:19 rurban
- // delete notify: fix, @unset syntax error
- //
- // Revision 1.90 2004/09/28 12:50:22 rurban
- // https://sourceforge.net/forum/forum.php?thread_id=1150924&forum_id=18929
- //
- // Revision 1.89 2004/09/26 10:54:42 rurban
- // silence deferred check
- //
- // Revision 1.88 2004/09/25 18:16:40 rurban
- // unset more unneeded _cached_html. (Guess this should fix sf.net now)
- //
- // Revision 1.87 2004/09/25 16:25:40 rurban
- // notify on rename and remove (to be improved)
- //
- // Revision 1.86 2004/09/23 18:52:06 rurban
- // only fortune at create
- //
- // Revision 1.85 2004/09/16 08:00:51 rurban
- // just some comments
- //
- // Revision 1.84 2004/09/14 10:34:30 rurban
- // fix TransformedText call to use refs
- //
- // Revision 1.83 2004/09/08 13:38:00 rurban
- // improve loadfile stability by using markup=2 as default for undefined markup-style.
- // use more refs for huge objects.
- // fix debug=static issue in WikiPluginCached
- //
- // Revision 1.82 2004/09/06 12:08:49 rurban
- // memory_limit on unix workaround
- // VisualWiki: default autosize image
- //
- // Revision 1.81 2004/09/06 08:28:00 rurban
- // rename genericQuery to genericSqlQuery
- //
- // Revision 1.80 2004/07/09 13:05:34 rurban
- // just aesthetics
- //
- // Revision 1.79 2004/07/09 10:06:49 rurban
- // Use backend specific sortby and sortable_columns method, to be able to
- // select between native (Db backend) and custom (PageList) sorting.
- // Fixed PageList::AddPageList (missed the first)
- // Added the author/creator.. name to AllPagesBy...
- // display no pages if none matched.
- // Improved dba and file sortby().
- // Use &$request reference
- //
- // Revision 1.78 2004/07/08 21:32:35 rurban
- // Prevent from more warnings, minor db and sort optimizations
- //
- // Revision 1.77 2004/07/08 19:04:42 rurban
- // more unittest fixes (file backend, metadata RatingsDb)
- //
- // Revision 1.76 2004/07/08 17:31:43 rurban
- // improve numPages for file (fixing AllPagesTest)
- //
- // Revision 1.75 2004/07/05 13:56:22 rurban
- // sqlite autoincrement fix
- //
- // Revision 1.74 2004/07/03 16:51:05 rurban
- // optional DBADMIN_USER:DBADMIN_PASSWD for action=upgrade (if no ALTER permission)
- // added atomic mysql REPLACE for PearDB as in ADODB
- // fixed _lock_tables typo links => link
- // fixes unserialize ADODB bug in line 180
- //
- // Revision 1.73 2004/06/29 08:52:22 rurban
- // Use ...version() $need_content argument in WikiDB also:
- // To reduce the memory footprint for larger sets of pagelists,
- // we don't cache the content (only true or false) and
- // we purge the pagedata (_cached_html) also.
- // _cached_html is only cached for the current pagename.
- // => Vastly improved page existance check, ACL check, ...
- //
- // Now only PagedList info=content or size needs the whole content, esp. if sortable.
- //
- // Revision 1.72 2004/06/25 14:15:08 rurban
- // reduce memory footprint by caching only requested pagedate content (improving most page iterators)
- //
- // Revision 1.71 2004/06/21 16:22:30 rurban
- // add DEFAULT_DUMP_DIR and HTML_DUMP_DIR constants, for easier cmdline dumps,
- // fixed dumping buttons locally (images/buttons/),
- // support pages arg for dumphtml,
- // optional directory arg for dumpserial + dumphtml,
- // fix a AllPages warning,
- // show dump warnings/errors on DEBUG,
- // don't warn just ignore on wikilens pagelist columns, if not loaded.
- // RateIt pagelist column is called "rating", not "ratingwidget" (Dan?)
- //
- // Revision 1.70 2004/06/18 14:39:31 rurban
- // actually check USECACHE
- //
- // Revision 1.69 2004/06/13 15:33:20 rurban
- // new support for arguments owner, author, creator in most relevant
- // PageList plugins. in WikiAdmin* via preSelectS()
- //
- // Revision 1.68 2004/06/08 21:03:20 rurban
- // updated RssParser for XmlParser quirks (store parser object params in globals)
- //
- // Revision 1.67 2004/06/07 19:12:49 rurban
- // fixed rename version=0, bug #966284
- //
- // Revision 1.66 2004/06/07 18:57:27 rurban
- // fix rename: Change pagename in all linked pages
- //
- // Revision 1.65 2004/06/04 20:32:53 rurban
- // Several locale related improvements suggested by Pierrick Meignen
- // LDAP fix by John Cole
- // reanable admin check without ENABLE_PAGEPERM in the admin plugins
- //
- // Revision 1.64 2004/06/04 16:50:00 rurban
- // add random quotes to empty pages
- //
- // Revision 1.63 2004/06/04 11:58:38 rurban
- // added USE_TAGLINES
- //
- // Revision 1.62 2004/06/03 22:24:41 rurban
- // reenable admin check on !ENABLE_PAGEPERM, honor s=Wildcard arg, fix warning after Remove
- //
- // Revision 1.61 2004/06/02 17:13:48 rurban
- // fix getRevisionBefore assertion
- //
- // Revision 1.60 2004/05/28 10:09:58 rurban
- // fix bug #962117, incorrect init of auth_dsn
- //
- // Revision 1.59 2004/05/27 17:49:05 rurban
- // renamed DB_Session to DbSession (in CVS also)
- // added WikiDB->getParam and WikiDB->getAuthParam method to get rid of globals
- // remove leading slash in error message
- // added force_unlock parameter to File_Passwd (no return on stale locks)
- // fixed adodb session AffectedRows
- // added FileFinder helpers to unify local filenames and DATA_PATH names
- // editpage.php: new edit toolbar javascript on ENABLE_EDIT_TOOLBAR
- //
- // Revision 1.58 2004/05/18 13:59:14 rurban
- // rename simpleQuery to genericQuery
- //
- // Revision 1.57 2004/05/16 22:07:35 rurban
- // check more config-default and predefined constants
- // various PagePerm fixes:
- // fix default PagePerms, esp. edit and view for Bogo and Password users
- // implemented Creator and Owner
- // BOGOUSERS renamed to BOGOUSER
- // fixed syntax errors in signin.tmpl
- //
- // Revision 1.56 2004/05/15 22:54:49 rurban
- // fixed important WikiDB bug with DEBUG > 0: wrong assertion
- // improved SetAcl (works) and PagePerms, some WikiGroup helpers.
- //
- // Revision 1.55 2004/05/12 19:27:47 rurban
- // revert wrong inline optimization.
- //
- // Revision 1.54 2004/05/12 10:49:55 rurban
- // require_once fix for those libs which are loaded before FileFinder and
- // its automatic include_path fix, and where require_once doesn't grok
- // dirname(__FILE__) != './lib'
- // upgrade fix with PearDB
- // navbar.tmpl: remove spaces for IE button alignment
- //
- // Revision 1.53 2004/05/08 14:06:12 rurban
- // new support for inlined image attributes: [image.jpg size=50x30 align=right]
- // minor stability and portability fixes
- //
- // Revision 1.52 2004/05/06 19:26:16 rurban
- // improve stability, trying to find the InlineParser endless loop on sf.net
- //
- // remove end-of-zip comments to fix sf.net bug #777278 and probably #859628
- //
- // Revision 1.51 2004/05/06 17:30:37 rurban
- // CategoryGroup: oops, dos2unix eol
- // improved phpwiki_version:
- // pre -= .0001 (1.3.10pre: 1030.099)
- // -p1 += .001 (1.3.9-p1: 1030.091)
- // improved InstallTable for mysql and generic SQL versions and all newer tables so far.
- // abstracted more ADODB/PearDB methods for action=upgrade stuff:
- // backend->backendType(), backend->database(),
- // backend->listOfFields(),
- // backend->listOfTables(),
- //
- // Revision 1.50 2004/05/04 22:34:25 rurban
- // more pdf support
- //
- // Revision 1.49 2004/05/03 11:16:40 rurban
- // fixed sendPageChangeNotification
- // subject rewording
- //
- // Revision 1.48 2004/04/29 23:03:54 rurban
- // fixed sf.net bug #940996
- //
- // Revision 1.47 2004/04/29 19:39:44 rurban
- // special support for formatted plugins (one-liners)
- // like <small><plugin BlaBla ></small>
- // iter->asArray() helper for PopularNearby
- // db_session for older php's (no &func() allowed)
- //
- // Revision 1.46 2004/04/26 20:44:34 rurban
- // locking table specific for better databases
- //
- // Revision 1.45 2004/04/20 00:06:03 rurban
- // themable paging support
- //
- // Revision 1.44 2004/04/19 18:27:45 rurban
- // Prevent from some PHP5 warnings (ref args, no :: object init)
- // php5 runs now through, just one wrong XmlElement object init missing
- // Removed unneccesary UpgradeUser lines
- // Changed WikiLink to omit version if current (RecentChanges)
- //
- // Revision 1.43 2004/04/18 01:34:20 rurban
- // protect most_popular from sortby=mtime
- //
- // Revision 1.42 2004/04/18 01:11:51 rurban
- // more numeric pagename fixes.
- // fixed action=upload with merge conflict warnings.
- // charset changed from constant to global (dynamic utf-8 switching)
- //
- // Local Variables:
- // mode: php
- // tab-width: 8
- // c-basic-offset: 4
- // c-hanging-comment-ender-p: nil
- // indent-tabs-mode: nil
- // End:
- ?>