and many others(tm) Use it from inside yoursite.php like that: ... */ #-- you could also establish a mysql connection in here, of course: // mysql_connect(":/var/run/mysqld/mysqld.sock", "user", "pw") // and mysql_query("USE mydatabase"); #-------------------------------------------------------- config --- #-- I'm sorry for that, but all the @ annoy me error_reporting(0x0000377 & error_reporting()); # error_reporting(E_ALL^E_NOTICE); #-- the position of your ewiki-wrapper script define("EWIKI_SCRIPT", "?id="); # relative/absolute to docroot # define("EWIKI_SCRIPT_URL", "http://...?id="); # absolute URL #-- change to your needs (site lang) define("EWIKI_NAME", "ErfurtWiki"); define("EWIKI_PAGE_INDEX", "ErfurtWiki"); define("EWIKI_PAGE_NEWEST", "NewestPages"); define("EWIKI_PAGE_SEARCH", "SearchPages"); define("EWIKI_PAGE_HITS", "MostVisitedPages"); define("EWIKI_PAGE_VERSIONS", "MostOftenChangedPages"); define("EWIKI_PAGE_UPDATES", "UpdatedPages"); #-- default settings are good settings - most often ;) #- look & feel define("EWIKI_PRINT_TITLE", 1); #

WikiPageName

on top define("EWIKI_SPLIT_TITLE", 0); #

Wiki Page Name

define("EWIKI_CONTROL_LINE", 1); # EditThisPage-link at bottom define("EWIKI_LIST_LIMIT", 20); # listing limit #- behaviour define("EWIKI_AUTO_EDIT", 1); # edit box for non-existent pages define("EWIKI_EDIT_REDIRECT", 1); # redirect after edit save define("EWIKI_DEFAULT_ACTION", "view"); # (keep!) define("EWIKI_CASE_INSENSITIVE", 1); # wikilink case sensitivity define("EWIKI_HIT_COUNTING", 1); define("UNIX_MILLENNIUM", 1000000000); #- rendering define("EWIKI_ALLOW_HTML", 0); # often a very bad idea define("EWIKI_HTML_CHARS", 1); # allows for È define("EWIKI_ESCAPE_AT", 1); # "@" -> "@" #- http/urls define("EWIKI_HTTP_HEADERS", 1); # most often a good thing define("EWIKI_NO_CACHE", 1); # browser+proxy shall not cache define("EWIKI_URLENCODE", 1); # disable when _USE_PATH_INFO define("EWIKI_URLDECODE", 1); define("EWIKI_USE_PATH_INFO", 1 &&!strstr($_SERVER["SERVER_SOFTWARE"],"Apache")); define("EWIKI_USE_ACTION_PARAM", 1); define("EWIKI_ACTION_SEP_CHAR", "/"); define("EWIKI_UP_PAGENUM", "n"); # _UP_ means "url parameter" define("EWIKI_UP_PAGEEND", "e"); define("EWIKI_UP_BINARY", "binary"); define("EWIKI_UP_UPLOAD", "upload"); #- other stuff define("EWIKI_DEFAULT_LANG", "en"); define("EWIKI_CHARSET", "UTF-8"); #- user permissions define("EWIKI_PROTECTED_MODE", 0); # disable funcs + require auth define("EWIKI_PROTECTED_MODE_HIDING", 0); # hides disallowed actions define("EWIKI_AUTH_DEFAULT_RING", 3); # 0=root 1=priv 2=user 3=view define("EWIKI_AUTO_LOGIN", 1); # [auth_query] on startup #-- allowed WikiPageNameCharacters #### BEGIN MOODLE CHANGES - to remove auto-camelcase linking. global $moodle_disable_camel_case; if ($moodle_disable_camel_case) { define("EWIKI_CHARS_L", ""); define("EWIKI_CHARS_U", ""); } else { #### END MOODLE CHANGES define("EWIKI_CHARS_L", "a-z_µ¤$\337-\377"); define("EWIKI_CHARS_U", "A-Z0-9\300-\336"); #### BEGIN MOODLE CHANGES } #### END MOODLE CHANGES define("EWIKI_CHARS", EWIKI_CHARS_L.EWIKI_CHARS_U); #-- database define("EWIKI_DB_TABLE_NAME", "ewiki"); # MySQL / ADOdb define("EWIKI_DBFILES_DIRECTORY", "/tmp"); # see "db_flat_files.php" define("EWIKI_DBA", "/tmp/ewiki.dba"); # see "db_dba.php" define("EWIKI_DBQUERY_BUFFER", 512*1024); # 512K define("EWIKI_INIT_PAGES", "./init-pages"); # for initialization define("EWIKI_DB_F_TEXT", 1<<0); define("EWIKI_DB_F_BINARY", 1<<1); define("EWIKI_DB_F_DISABLED", 1<<2); define("EWIKI_DB_F_HTML", 1<<3); define("EWIKI_DB_F_READONLY", 1<<4); define("EWIKI_DB_F_WRITEABLE", 1<<5); define("EWIKI_DB_F_APPENDONLY", 1<<6); #nyi define("EWIKI_DB_F_SYSTEM", 1<<7); define("EWIKI_DB_F_PART", 1<<8); define("EWIKI_DB_F_TYPE", EWIKI_DB_F_TEXT | EWIKI_DB_F_BINARY | EWIKI_DB_F_DISABLED | EWIKI_DB_F_SYSTEM | EWIKI_DB_F_PART); define("EWIKI_DB_F_ACCESS", EWIKI_DB_F_READONLY | EWIKI_DB_F_WRITEABLE | EWIKI_DB_F_APPENDONLY); define("EWIKI_DB_F_COPYMASK", EWIKI_DB_F_TYPE | EWIKI_DB_F_ACCESS); define("EWIKI_DBFILES_NLR", '\\n'); define("EWIKI_DBFILES_ENCODE", 0 || (DIRECTORY_SEPARATOR != "/")); define("EWIKI_DBFILES_GZLEVEL", "2"); #-- internal define("EWIKI_ADDPARAMDELIM", (strstr(EWIKI_SCRIPT,"?") ? "&" : "?")); #-- binary content (images) define("EWIKI_SCRIPT_BINARY", /*"/binary.php?binary="*/ ltrim(strtok(" ".EWIKI_SCRIPT,"?"))."?".EWIKI_UP_BINARY."=" ); define("EWIKI_CACHE_IMAGES", 1 &&!headers_sent()); define("EWIKI_IMAGE_MAXSIZE", 64 *1024); define("EWIKI_IMAGE_MAXWIDTH", 3072); define("EWIKI_IMAGE_MAXHEIGHT", 2048); define("EWIKI_IMAGE_MAXALLOC", 1<<19); define("EWIKI_IMAGE_RESIZE", 1); define("EWIKI_IMAGE_ACCEPT", "image/jpeg,image/png,image/gif,application/x-shockwave-flash"); define("EWIKI_IDF_INTERNAL", "internal://"); define("EWIKI_ACCEPT_BINARY", 0); # for arbitrary binary data files #-- misc define("EWIKI_TMP", $_SERVER["TEMP"] ? $_SERVER["TEMP"] : "/tmp"); define("EWIKI_LOGLEVEL", -1); # 0=error 1=warn 2=info 3=debug define("EWIKI_LOGFILE", "/tmp/ewiki.log"); #-- plugins (tasks mapped to function names) $ewiki_plugins["database"][] = "ewiki_database_mysql"; $ewiki_plugins["edit_preview"][] = "ewiki_page_edit_preview"; $ewiki_plugins["render"][] = "ewiki_format"; $ewiki_plugins["init"][-5] = "ewiki_localization"; $ewiki_plugins["init"][-1] = "ewiki_binary"; $ewiki_plugins["handler"][-105] = "ewiki_eventually_initialize"; $ewiki_plugins["handler"][] = "ewiki_intermap_walking"; $ewiki_plugins["view_append"][-1] = "ewiki_control_links"; $ewiki_plugins["view_final"][-1] = "ewiki_add_title"; $ewiki_plugins["page_final"][] = "ewiki_http_headers"; $ewiki_plugins["page_final"][99115115] = "ewiki_page_css_container"; $ewiki_plugins["edit_form_final"][] = "ewiki_page_edit_form_final_imgupload"; $ewiki_plugins["format_block"]["pre"][] = "ewiki_format_pre"; $ewiki_plugins["format_block"]["code"][] = "ewiki_format_pre"; $ewiki_plugins["format_block"]["htm"][] = "ewiki_format_html"; $ewiki_plugins["format_block"]["html"][] = "ewiki_format_html"; $ewiki_plugins["format_block"]["comment"][] = "ewiki_format_comment"; #-- internal pages $ewiki_plugins["page"][EWIKI_PAGE_NEWEST] = "ewiki_page_newest"; $ewiki_plugins["page"][EWIKI_PAGE_SEARCH] = "ewiki_page_search"; if (EWIKI_HIT_COUNTING) $ewiki_plugins["page"][EWIKI_PAGE_HITS] = "ewiki_page_hits"; $ewiki_plugins["page"][EWIKI_PAGE_VERSIONS] = "ewiki_page_versions"; $ewiki_plugins["page"][EWIKI_PAGE_UPDATES] = "ewiki_page_updates"; #-- page actions $ewiki_plugins["action"]["edit"] = "ewiki_page_edit"; $ewiki_plugins["action_always"]["links"] = "ewiki_page_links"; $ewiki_plugins["action"]["info"] = "ewiki_page_info"; $ewiki_plugins["action"]["view"] = "ewiki_page_view"; #-- helper vars --------------------------------------------------- $ewiki_config["idf"]["url"] = array("http://", "mailto:", "internal://", "ftp://", "https://", "irc://", "telnet://", "news://", "chrome://", "file://", "gopher://", "httpz://"); $ewiki_config["idf"]["img"] = array(".jpeg", ".png", ".jpg", ".gif", ".j2k"); $ewiki_config["idf"]["obj"] = array(".swf", ".svg"); #-- entitle actions $ewiki_config["action_links"]["view"] = @array_merge(array( "edit" => "EDITTHISPAGE", # ewiki_t() is called on these "links" => "BACKLINKS", "info" => "PAGEHISTORY", "like" => "LIKEPAGES", ), @$ewiki_config["action_links"]["view"] ); $ewiki_config["action_links"]["info"] = @array_merge(array( "view" => "browse", "edit" => "fetchback", ), @$ewiki_config["action_links"]["info"] ); #-- variable configuration settings (go into '$ewiki_config') $ewiki_config_DEFAULTSTMP = array( "edit_thank_you" => 1, "edit_box_size" => "70x15", "print_title" => EWIKI_PRINT_TITLE, "split_title" => EWIKI_SPLIT_TITLE, "control_line" => EWIKI_CONTROL_LINE, "list_limit" => EWIKI_LIST_LIMIT, "script" => EWIKI_SCRIPT, "script_url" => (defined("EWIKI_SCRIPT_URL")?EWIKI_SCRIPT_URL:NULL), "script_binary" => EWIKI_SCRIPT_BINARY, #-- heart of the wiki -- don't try to read this! ;) "wiki_pre_scan_regex" => '/ (? "\007 [!~]?( \#?\[[^<>\[\]\n]+\] | \^[-".EWIKI_CHARS_U.EWIKI_CHARS_L."]{3,} | \b([\w]{3,}:)*([".EWIKI_CHARS_U."]+[".EWIKI_CHARS_L."]+){2,}\#?[\w\d]* | ([a-z]{2,9}://|mailto:)[^\s\[\]\'\"\)\,<]+ | \w[-_.+\w]+@(\w[-_\w]+[.])+\w{2,} ) \007x", #-- rendering ruleset "wm_indent" => '', "wm_table_defaults" => 'cellpadding="2" border="1" cellspacing="0"', "wm_whole_line" => array(), "htmlentities" => array( "&" => "&", ">" => ">", "<" => "<", ), "wm_source" => array( "%%%" => "
", "\t" => " ", "\n;:" => "\n ", # workaround, replaces the old ;: ), "wm_list" => array( "-" => array('ul type="square"', "", "li"), "*" => array('ul type="circle"', "", "li"), "#" => array("ol", "", "li"), ":" => array("dl", "dt", "dd"), ## ";" => array("dl", "dt", "dd"), ), "wm_style" => array( "'''''" => array("", ""), "'''" => array("", ""), "___" => array("", ""), "''" => array("", ""), "__" => array("", ""), "^^" => array("", ""), "==" => array("", ""), ## "***" => array("", ""), ## "###" => array("", ""), "**" => array("", ""), "##" => array("", ""), "µµ" => array("", ""), ), "wm_start_end" => array( ), #-- rendering plugins "format_block" => array( "html" => array("<html>", "</html>", "html", 0x0000), "htm" => array("<htm>", "</htm>", "html", 0x0003), "code" => array("<code>", "</code>", false, 0x0000), "pre" => array("<pre>", "</pre>", false, 0x003F), "comment" => array("\n<!--", "-->", false, 0x0030), # "verbatim" => array("<verbatim>", "</verbatim>", false, 0x0000), ), "format_params" => array( "scan_links" => 1, "html" => EWIKI_ALLOW_HTML, "mpi" => 1, ), ); foreach ($ewiki_config_DEFAULTSTMP as $set => $val) { if (!isset($ewiki_config[$set])) { $ewiki_config[$set] = $val; } elseif (is_array($val)) foreach ($val as $vali=>$valv) { if (is_int($vali)) { $ewiki_config[$set][] = $valv; } elseif (!isset($ewiki_config[$set][$vali])) { $ewiki_config[$set][$vali] = $valv; } } } $ewiki_config_DEFAULTSTMP = $valv = $vali = $val = NULL; #-- init stuff, autostarted parts ksort($ewiki_plugins["init"]); if ($pf_a = $ewiki_plugins["init"]) foreach ($pf_a as $pf) { // Binary Handling starts here #### MOODLE CHANGE TO BE COMPATIBLE WITH PHP 4.1 #if(headers_sent($file,$line)) { # error("Headers already sent: $file:$line"); if(headers_sent()) { error("Headers already sent."); } $pf($GLOBALS); } unset($ewiki_plugins["init"]); #-- text (never remove the "C" or "en" sections!) # $ewiki_t["C"] = @array_merge(@$ewiki_t["C"], array( "DATE" => "%a, %d %b %G %T %Z", "EDIT_TEXTAREA_RESIZE_JS" => '+', )); # $ewiki_t["en"] = @array_merge(@$ewiki_t["en"], array( "EDITTHISPAGE" => "EditThisPage", "APPENDTOPAGE" => "Add to", "BACKLINKS" => "BackLinks", "PAGESLINKINGTO" => "Pages linking to \$title", "PAGEHISTORY" => "PageInfo", "INFOABOUTPAGE" => "Information about page", "LIKEPAGES" => "Pages like this", "NEWESTPAGES" => "Newest Pages", "LASTCHANGED" => "last changed on %c", "DOESNOTEXIST" => "This page does not yet exist, please click on EditThisPage if you'd like to create it.", "DISABLEDPAGE" => "This page is currently not available.", "ERRVERSIONSAVE" => "Sorry, while you edited this page someone else did already save a changed version. Please go back to the previous screen and copy your changes to your computers clipboard to insert it again after you reload the edit screen.", "ERRORSAVING" => "An error occoured while saving your changes. Please try again.", "THANKSFORCONTRIBUTION" => "Thank you for your contribution!", "CANNOTCHANGEPAGE" => "This page cannot be changed.", "OLDVERCOMEBACK" => "Make this old version come back to replace the current one", "PREVIEW" => "Preview", "SAVE" => "Save", "CANCEL_EDIT" => "CancelEditing", "UPLOAD_PICTURE_BUTTON" => "upload picture >>>", "EDIT_FORM_1" => "GoodStyle is to write what comes to your mind. Don't care about how it looks too much now. You can add WikiMarkup also later if you think it is necessary.
", "EDIT_FORM_2" => "
Please do not write things, which may make other people angry. And please keep in mind that you are not all that anonymous in the internet (find out more about your computers 'IP address' at Google).", "BIN_IMGTOOLARGE" => "Image file is too large!", "BIN_NOIMG" => "This is no image file (inacceptable file format)!", "FORBIDDEN" => "You are not authorized to access this page.", )); # $ewiki_t["es"] = @array_merge(@$ewiki_t["es"], array( "EDITTHISPAGE" => "EditarEstaPágina", "BACKLINKS" => "EnlacesInversos", "PAGESLINKINGTO" => "Páginas enlazando \$title", "PAGEHISTORY" => "InfoPágina", "INFOABOUTPAGE" => "Información sobre la página", "LIKEPAGES" => "Páginas como esta", "NEWESTPAGES" => "Páginas más nuevas", "LASTCHANGED" => "última modificación %d/%m/%Y a las %H:%M", "DOESNOTEXIST" => "Esta página aún no existe, por favor eliga EditarEstaPágina si desea crearla.", "DISABLEDPAGE" => "Esta página no está disponible en este momento.", "ERRVERSIONSAVE" => "Disculpe, mientras editaba esta página alguién más salvó una versión modificada. Por favor regrese a a la pantalla anterior y copie sus cambios a su computador para insertalos nuevamente después de que cargue la pantalla de edición.", "ERRORSAVING" => "Ocurrió un error mientras se salvavan sus cambios. Por favor intente de nuevo.", "THANKSFORCONTRIBUTION" => "Gracias por su contribución!", "CANNOTCHANGEPAGE" => "Esta página no puede ser modificada.", "OLDVERCOMEBACK" => "Hacer que esta versión antigua regrese a remplazar la actual", "PREVIEW" => "Previsualizar", "SAVE" => "Salvar", "CANCEL_EDIT" => "CancelarEdición", "UPLOAD_PICTURE_BUTTON" => "subir gráfica >>>", "EDIT_FORM_1" => "BuenEstilo es escribir lo que viene a su mente. No se preocupe mucho por la apariencia. También puede agregar ReglasDeMarcadoWiki más adelante si piensa que es necesario.
", "EDIT_FORM_2" => "
Por favor no escriba cosas, que puedan enfadar a otras personas. Y por favor tenga en mente que usted no es del todo anónimo en Internet (encuentre más sobre 'IP address' de su computador con Google).", "BIN_IMGTOOLARGE" => "¡La gráfica es demasiado grande!", "BIN_NOIMG" => "¡No es un archivo con una gráfica (formato de archivo inaceptable)!", "FORBIDDEN" => "No está autorizado para acceder a esta página.", )); # $ewiki_t["de"] = @array_merge(@$ewiki_t["de"], array( "EDITTHISPAGE" => "DieseSeiteÄndern", "APPENDTOPAGE" => "Ergänze", "BACKLINKS" => "ZurückLinks", "PAGESLINKINGTO" => "Verweise zur Seite \$title", "PAGEHISTORY" => "SeitenInfo", "INFOABOUTPAGE" => "Informationen über Seite", "LIKEPAGES" => "Ähnliche Seiten", "NEWESTPAGES" => "Neueste Seiten", "LASTCHANGED" => "zuletzt geändert am %d.%m.%Y um %H:%M", "DISABLEDPAGE" => "Diese Seite kann momentan nicht angezeigt werden.", "ERRVERSIONSAVE" => "Entschuldige, aber während Du an der Seite gearbeitet hast, hat bereits jemand anders eine geänderte Fassung gespeichert. Damit nichts verloren geht, browse bitte zurück und speichere Deine Änderungen in der Zwischenablage (Bearbeiten->Kopieren) um sie dann wieder an der richtigen Stelle einzufügen, nachdem du die EditBoxSeite nocheinmal geladen hast.
Vielen Dank für Deine Mühe.", "ERRORSAVING" => "Beim Abspeichern ist ein Fehler aufgetreten. Bitte versuche es erneut.", "THANKSFORCONTRIBUTION" => "Vielen Dank für Deinen Beitrag!", "CANNOTCHANGEPAGE" => "Diese Seite kann nicht geändert werden.", "OLDVERCOMEBACK" => "Diese alte Version der Seite wieder zur Aktuellen machen", "PREVIEW" => "Vorschau", "SAVE" => "Speichern", "CANCEL_EDIT" => "ÄnderungenVerwerfen", "UPLOAD_PICTURE_BUTTON" => "Bild hochladen >>>", "EDIT_FORM_1" => "GuterStil ist es, ganz einfach das zu schreiben, was einem gerade in den Sinn kommt. Du solltest dich jetzt noch nicht so sehr darum kümmern, wie die Seite aussieht. Du kannst später immernoch zurückkommen und den Text mit WikiTextFormatierungsRegeln aufputschen.
", "EDIT_FORM_2" => "
Bitte schreib keine Dinge, die andere Leute verärgern könnten. Und bedenke auch, daß es schnell auf dich zurückfallen kann wenn du verschiedene andere Dinge sagst (mehr Informationen zur 'IP Adresse' deines Computers findest du bei Google).", )); #-- InterWiki:Links $ewiki_config["interwiki"] = @array_merge( @$ewiki_config["interwiki"], array( "javascript" => "", # this actually protects from javascript: links "url" => "", # "self" => "this", "this" => EWIKI_SCRIPT, # better was absolute _URL to ewiki wrapper "jump" => "" )); // BEGIN MOODLE CHANGES - disable interwiki liks by default // can be enabled with $CFG->wiki_allow_interwiki = true . MDL-19460 global $CFG; if (!empty($CFG->wiki_allow_interwiki)) { $ewiki_config["interwiki"] = @array_merge( $ewiki_config["interwiki"], array ( "ErfurtWiki" => "http://erfurtwiki.sourceforge.net/?id=", "InterWiki" => "InterWikiSearch", "InterWikiSearch" => "http://sunir.org/apps/meta.pl?", "Wiki" => "WardsWiki", "WardsWiki" => "http://www.c2.com/cgi/wiki?", "WikiFind" => "http://c2.com/cgi/wiki?FindPage&value=", "WikiPedia" => "http://www.wikipedia.com/wiki.cgi?", "MeatBall" => "MeatballWiki", "MeatballWiki" => "http://www.usemod.com/cgi-bin/mb.pl?", "UseMod" => "http://www.usemod.com/cgi-bin/wiki.pl?", "PhpWiki" => "http://phpwiki.sourceforge.net/phpwiki/index.php3?", "LinuxWiki" => "http://linuxwiki.de/", "OpenWiki" => "http://openwiki.com/?", "Tavi" => "http://andstuff.org/tavi/", "TWiki" => "http://twiki.sourceforge.net/cgi-bin/view/", "MoinMoin" => "http://www.purl.net/wiki/moin/", "Google" => "http://google.com/search?q=", "ISBN" => "http://www.amazon.com/exec/obidos/ISBN=", "icq" => "http://www.icq.com/" )); } // END MOODLE CHANGES #-------------------------------------------------------------------- main --- /* this is the main function, which you should preferrably call to integrate the ewiki into your web site; it chains to most other parts and plugins (including the edit box); if you do not supply the requested pages "$id" we will fetch it from the pre-defined possible URL parameters. */ function ewiki_page($id=false) { global $ewiki_links, $ewiki_plugins, $ewiki_ring, $ewiki_t, $ewiki_errmsg; #-- output var $o = ""; #-- selected page if (!isset($_REQUEST)) { $_REQUEST = @array_merge($_GET, $_POST); } if (!strlen($id)) { $id = ewiki_id(); } $id = format_string($id,true); #-- page action $action = EWIKI_DEFAULT_ACTION; if ($delim = strpos($id, EWIKI_ACTION_SEP_CHAR)) { $action = substr($id, 0, $delim); $id = substr($id, $delim + 1); } elseif (EWIKI_USE_ACTION_PARAM && isset($_REQUEST["action"])) { $action = $_REQUEST["action"]; } $GLOBALS["ewiki_id"] = $id; $GLOBALS["ewiki_title"] = ewiki_split_title($id); $GLOBALS["ewiki_action"] = $action; #-- fetch from db $dquery = array( "id" => $id ); if (!isset($_REQUEST["content"]) && ($dquery["version"] = @$_REQUEST["version"])) { $dquery["forced_version"] = $dquery["version"]; } $data = @array_merge($dquery, ewiki_database("GET", $dquery)); #-- stop here if page is not marked as _TEXT, # perform authentication then, and let only administrators proceed if (!empty($data["flags"]) && (($data["flags"] & EWIKI_DB_F_TYPE) != EWIKI_DB_F_TEXT)) { if (($data["flags"] & EWIKI_DB_F_BINARY) && ($pf = $ewiki_plugins["handler_binary"][0])) { return($pf($id, $data, $action)); //_BINARY entries handled separately } elseif (!EWIKI_PROTECTED_MODE || !ewiki_auth($id, $data, $action, 0, 1) && ($ewiki_ring!=0)) { return(ewiki_t("DISABLEDPAGE")); } } #-- pre-check if actions exist $pf_page = ewiki_array($ewiki_plugins["page"], $id); #-- edit
for non-existent pages if (($action==EWIKI_DEFAULT_ACTION) && empty($data["content"]) && empty($pf_page)) { if (EWIKI_AUTO_EDIT) { $action = "edit"; } else { $data["content"] = ewiki_t("DOESNOTEXIST"); } } #-- more initialization if ($pf_a = @$ewiki_plugins["page_init"]) { ksort($pf_a); foreach ($pf_a as $pf) { $o .= $pf($id, $data, $action); } unset($ewiki_plugins["page_init"]); } $pf_page = ewiki_array($ewiki_plugins["page"], $id); #-- require auth if (EWIKI_PROTECTED_MODE) { if (!ewiki_auth($id, $data, $action, $ring=false, $force=EWIKI_AUTO_LOGIN)) { return($o.=$ewiki_errmsg); } } #-- handlers $handler_o = ""; if ($pf_a = @$ewiki_plugins["handler"]) { ksort($pf_a); foreach ($pf_a as $pf) { if ($handler_o = $pf($id, $data, $action)) { break; } } } #-- finished by handler if ($handler_o) { $o .= $handler_o; } #-- actions that also work for static and internal pages elseif (($pf = @$ewiki_plugins["action_always"][$action]) && function_exists($pf)) { $o .= $pf($id, $data, $action); } #-- internal pages elseif ($pf_page && function_exists($pf_page)) { $o .= $pf_page($id, $data, $action); } #-- page actions else { $pf = @$ewiki_plugins["action"][$action]; #-- fallback to "view" action if (empty($pf) || !function_exists($pf)) { $pf = "ewiki_page_view"; $action = "view"; // we could also allow different (this is a // catch-all) view variants, but this would lead to some problems } $o .= $pf($id, $data, $action); } #-- error instead of page? if (empty($o) && $ewiki_errmsg) { $o = $ewiki_errmsg; } #-- html post processing if ($pf_a = $ewiki_plugins["page_final"]) { ksort($pf_a); foreach ($pf_a as $pf) { if ($action == 'edit' and $pf == 'ewiki_html_tag_balancer') { continue; // balancer breaks htmlarea buttons } $pf($o, $id, $data, $action); } } (EWIKI_ESCAPE_AT) && ($o = str_replace("@", "@", $o)); return($o); } #-- HTTP meta headers function ewiki_http_headers(&$o, $id, &$data, $action) { global $ewiki_t; if (EWIKI_HTTP_HEADERS && !headers_sent()) { if (!empty($data)) { if ($uu = @$data["id"]) @header('Content-Disposition: inline; filename="' . urlencode($uu) . '.html"'); if ($uu = @$data["version"]) @header('Content-Version: ' . $uu); if ($uu = @$data["lastmodified"]) @header('Last-Modified: ' . gmstrftime($ewiki_t["C"]["DATE"], $uu)); } if (EWIKI_NO_CACHE) { header('Expires: ' . gmstrftime($ewiki_t["C"]["DATE"], UNIX_MILLENNIUM)); header('Pragma: no-cache'); header('Cache-Control: no-cache, private, must-revalidate'); # change to "C-C: cache, must-revalidate" ?? # private only for authenticated users / _PROT_MODE } #-- ETag if ($data["version"] && ($etag=ewiki_etag($data)) || ($etag=md5($o))) { $weak = "W/" . urlencode($id) . "." . $data["version"]; header("ETag: \"$etag\""); ###, \"$weak\""); } } } function ewiki_etag(&$data) { return( urlencode($data["id"]) . ":" . dechex($data["version"]) . ":ewiki:" . dechex(crc32($data["content"]) & 0x7FFFBFFF) ); } #-- encloses whole page output with a descriptive
function ewiki_page_css_container(&$o, &$id, &$data, &$action) { $o = "
| @µöäüÖÄÜߤ^°«»\'\\', '- -----------------------------------------------') . "\">\n" . $o . "\n
\n"; } function ewiki_split_title ($id='', $split=EWIKI_SPLIT_TITLE, $entities=1) { strlen($id) or ($id = $GLOBALS["ewiki_id"]); if ($split) { $id = preg_replace("/([".EWIKI_CHARS_L."])([".EWIKI_CHARS_U."]+)/", "$1 $2", $id); } return($entities ? s($id) : $id); } function ewiki_add_title(&$html, $id, &$data, $action, $go_action="links") { $html = ewiki_make_title($id, '', 1, $action, $go_action) . $html; } function ewiki_make_title($id='', $title='', $class=3, $action="view", $go_action="links", $may_split=1) { global $ewiki_config, $ewiki_plugins, $ewiki_title, $ewiki_id; #-- advanced handler if ($pf = @$ewiki_plugins["make_title"][0]) { return($pf($title, $class, $action, $go_action, $may_split)); } #-- disabled elseif (!$ewiki_config["print_title"]) { return(""); } #-- get id if (empty($id)) { $id = $ewiki_id; } #-- get title if (!strlen($title)) { $title = $ewiki_title; // already in &html; format } elseif ($ewiki_config["split_title"] && $may_split) { $title = ewiki_split_title($title, $ewiki_config["split_title"], 0&($title!=$ewiki_title)); } else { $title = s($title); } #-- title mangling if ($pf_a = @$ewiki_plugins["title_transform"]) { foreach ($pf_a as $pf) { $pf($id, $title, $go_action); } } #-- clickable link or simple headline if ($class <= $ewiki_config["print_title"]) { if ($uu = @$ewiki_config["link_title_action"][$action]) { $go_action = $uu; } if ($uu = @$ewiki_config["link_title_url"]) { $href = $uu; unset($ewiki_config["link_title_url"]); } else { $href = ewiki_script($go_action, $id); } $o = '' . ($title) . ''; } else { $o = $title; } return('

' . $o . '

'."\n"); } function ewiki_page_view($id, &$data, $action, $all=1) { global $ewiki_plugins, $ewiki_config; $o = ""; #-- render requested wiki page <-- goal !!! $render_args = array( "scan_links" => 1, "html" => (EWIKI_ALLOW_HTML||(@$data["flags"]&EWIKI_DB_F_HTML)), ); $o .= $ewiki_plugins["render"][0] ($data["content"], $render_args); if (!$all) { return($o); } #### MOODLE CHANGE /// Add Moodle filters to text porion of wiki. global $moodle_format; // from wiki/view.php $o = format_text($o, $moodle_format); $o.= "

"; #-- control line + other per-page info stuff if ($pf_a = $ewiki_plugins["view_append"]) { ksort($pf_a); foreach ($pf_a as $n => $pf) { $o .= $pf($id, $data, $action); } } if ($pf_a = $ewiki_plugins["view_final"]) { ksort($pf_a); foreach ($pf_a as $n => $pf) { $pf($o, $id, $data, $action); } } if (!empty($_REQUEST["thankyou"]) && $ewiki_config["edit_thank_you"]) { $o = ewiki_t("THANKSFORCONTRIBUTION") . $o; } if (EWIKI_HIT_COUNTING) { ewiki_database("HIT", $data); } return($o); } #-------------------------------------------------------------------- util --- /* retrieves "$id/$action" string from URL / QueryString / PathInfo, change this in conjunction with ewiki_script() to customize your URLs further whenever desired */ function ewiki_id() { ($id = @$_REQUEST["id"]) or ($id = @$_REQUEST["name"]) or ($id = @$_REQUEST["page"]) or ($id = @$_REQUEST["file"]) or (EWIKI_USE_PATH_INFO) and ($id = ltrim(@$_SERVER["PATH_INFO"], "/")) or (!isset($_REQUEST["id"])) and ($id = trim(strtok($_SERVER["QUERY_STRING"], "&"))); if (!strlen($id) || ($id=="id=")) { $id = EWIKI_PAGE_INDEX; } (EWIKI_URLDECODE) && ($id = urldecode($id)); return($id); } /* replaces EWIKI_SCRIPT, works more sophisticated, and bypasses various design flaws - if only the first parameter is used (old style), it can contain a complete "action/WikiPage" - but this is ambigutious - else $asid is the action, and $id contains the WikiPageName - $ewiki_config["script"] will now be used in favour of the constant - needs more work on _BINARY, should be a separate function */ ## MOODLE-CHANGE: $asid="", Knows the devil why.... function ewiki_script($asid="", $id=false, $params="", $bin=0, $html=1, $script=NULL) { global $ewiki_config, $ewiki_plugins; #-- get base script url from config vars if (empty($script)) { $script = &$ewiki_config[!$bin?"script":"script_binary"]; } #-- separate $action and $id for old style requests if ($id === false) { if (strpos($asid, EWIKI_ACTION_SEP_CHAR) !== false) { $asid = strtok($asid, EWIKI_ACTION_SEP_CHAR); $id = strtok("\000"); } else { $id = $asid; $asid = ""; } } #-- prepare params if (is_array($params)) { $uu = $params; $params = ""; if ($uu) foreach ($uu as $k=>$v) { $params .= (strlen($params)?"&":"") . rawurlencode($k) . "=" . rawurlencode($v); } } #-- action= parameter if (EWIKI_USE_ACTION_PARAM >= 2) { $params = "action=$asid" . (strlen($params)?"&":"") . $params; $asid = ""; } #-- workaround slashes in $id if (empty($asid) && (strpos($id, EWIKI_ACTION_SEP_CHAR) !== false) && !$bin) { $asid = "view"; } /*paranoia*/ $asid = trim($asid, EWIKI_ACTION_SEP_CHAR); #-- make url if (EWIKI_URLENCODE) { $id = urlencode($id); $asid = urlencode($asid); } else { # only urlencode &, %, ? for example } $url = $script; if ($asid) { $id = $asid . EWIKI_ACTION_SEP_CHAR . $id; #= "action/PageName" } if (strpos($url, "%s") !== false) { $url = str_replace("%s", $id, $url); } else { $url .= $id; } #-- add url params if (strlen($params)) { $url .= (strpos($url,"?")!==false ? "&":"?") . $params; } #-- fin if ($html) { //Don't replace & if it's part of encoded character (bug 2209) $url = preg_replace("/&(?![A-Za-z]{0,4}\w{2,3};|#[0-9]{2,5};)/","&", $url); } else { //This is going to be used in some header or meta redirect, so It cannot use & (bug 2620) $url = preg_replace('/&/', '&', $url); } return($url); } /* this ewiki_script() wrapper is used to generate URLs to binary content in the ewiki database */ function ewiki_script_binary($asid, $id=false, $params=array(), $upload=0) { $upload |= is_string($params) && strlen($params) || count($params); #-- generate URL directly to the plainly saved data file, # see also plugins/binary_store if (defined("EWIKI_DB_STORE_URL") && !$upload) { $url = EWIKI_DB_STORE_URL . rawurlencode($id); } #-- else get standard URL (thru ewiki.php) from ewiki_script() else { $url = ewiki_script($asid, $id, $params, "_BINARY=1"); } return($url); } /* this function returns the absolute ewiki_script url, if EWIKI_SCRIPT_URL is set, else it guesses the value */ function ewiki_script_url() { global $ewiki_action, $ewiki_id, $ewiki_config; $scr_template = $ewiki_config["script"]; $scr_current = ewiki_script($ewiki_action, $ewiki_id); $req_uri = $_SERVER["REQUEST_URI"]; if ($url = $ewiki_config["script_url"]) { return($url); } elseif (strpos($req_uri, $scr_current) !== false) { $url = str_replace($req_uri, $scr_current, $scr_template); } elseif (strpos($req_uri, "?") && (strpos($scr_template, "?") !== false)) { $url = substr($req_uri, 0, strpos($req_uri, "?")) . substr($scr_template, strpos($scr_template, "?")); } elseif (strpos($req_uri, $sn = $_SERVER["SCRIPT_NAME"])) { $url = $sn . "?id="; } else { return(NULL); #-- could not guess it } #$url = "http://" . $_SERVER["SERVER_NAME"] . $url; return($url); } #------------------------------------------------------------ page plugins --- function ewiki_page_links($id, &$data, $action) { $o = ewiki_make_title($id, ewiki_t("PAGESLINKINGTO", array("title"=>$id)), 1, $action, "", "_MAY_SPLIT=1"); if ($pages = ewiki_get_backlinks($id)) { $o .= ewiki_list_pages($pages); } else { $o .= ewiki_t("This page isn't linked from anywhere else."); } return($o); } function ewiki_get_backlinks($id) { $result = ewiki_database("SEARCH", array("refs" => $id)); $pages = array(); while ($row = $result->get(0, 0x0020)) { if ( strpos($row["refs"], "\n$id\n") !== false) { $pages[] = $row["id"]; } } return($pages); } function ewiki_get_links($id) { if ($data = ewiki_database("GET", array("id"=>$id))) { $refs = explode("\n", trim($data["refs"])); $r = array(); foreach (ewiki_database("FIND", $refs) as $id=>$exists) { if ($exists) { $r[] = $id; } } return($r); } } function ewiki_list_pages($pages=array(), $limit=EWIKI_LIST_LIMIT, $value_as_title=0, $pf_list=false) { global $ewiki_plugins; $o = ""; $is_num = !empty($pages[0]); $lines = array(); $n = 0; foreach ($pages as $id=>$add_text) { $title = $id; $params = ""; if (is_array($add_text)) { list($id, $params, $title, $add_text) = $add_text; } elseif ($is_num) { $id = $title = $add_text; $add_text = ""; } elseif ($value_as_title) { $title = $add_text; $add_text = ""; } $lines[] = '' . s($title) . ' ' . $add_text; if (($limit > 0) && ($n++ >= $limit)) { break; } } if ($pf_a = @$ewiki_plugins["list_transform"]) foreach ($pf_a as $pf_transform) { $pf_transform($lines); } if (($pf_list) || ($pf_list = @$ewiki_plugins["list_pages"][0])) { $o = $pf_list($lines); } elseif($lines) { $o = "· " . implode("
\n· ", $lines) . "
\n"; } return($o); } function ewiki_page_ordered_list($orderby="created", $asc=0, $print, $title) { $o = ewiki_make_title("", $title, 2, ".list", "links", 0); $sorted = array(); $result = ewiki_database("GETALL", array($orderby)); while ($row = $result->get()) { $row = ewiki_database("GET", array( "id" => $row["id"], ($asc >= 0 ? "version" : "uu") => 1 // version 1 is most accurate for {hits} )); #-- text page? if (EWIKI_DB_F_TEXT == ($row["flags"] & EWIKI_DB_F_TYPE)) { #-- viewing allowed? if (!EWIKI_PROTECTED_MODE || !EWIKI_PROTECTED_MODE_HIDING || ewiki_auth($row["id"], $row, "view")) { $sorted[$row["id"]] = $row[$orderby]; } } } if ($asc != 0) { arsort($sorted); } else { asort($sorted); } foreach ($sorted as $name => $value) { if (empty($value)) { $value = "0"; } ##### BEGIN MOODLE ADDITION ##### #$sorted[$name] = strftime(str_replace('%n', $value, $print), $value); if($print=="LASTCHANGED") { $value=strftime("%c",$value); } $sorted[$name] = get_string(strtolower($print),"wiki",$value); ##### BEGIN MOODLE ADDITION ##### } $o .= ewiki_list_pages($sorted); return($o); } function ewiki_page_newest($id=0, $data=0) { return( ewiki_page_ordered_list("created", 1, "LASTCHANGED", ewiki_t(EWIKI_PAGE_NEWEST)) ); } function ewiki_page_updates($id=0, $data=0) { return( ewiki_page_ordered_list("lastmodified", -1, "LASTCHANGED", ewiki_t(EWIKI_PAGE_UPDATES)) ); } function ewiki_page_hits($id=0, $data=0) { ##### BEGIN MOODLE ADDITION ##### return( ewiki_page_ordered_list("hits", 1, "hits", ewiki_t(EWIKI_PAGE_HITS)) ); } function ewiki_page_versions($id=0, $data=0) { return( ewiki_page_ordered_list("version", -1, "changes", ewiki_t(EWIKI_PAGE_VERSIONS)) ); ##### END MOODLE ADDITION ##### } function ewiki_page_search($id, &$data, $action) { global $CFG; $o = ewiki_make_title($id, $id, 2, $action); if (! ($q = @$_REQUEST["q"])) { $o .= ''; $o .= '
'; $o .= '

'; $o .= ''; $o .= '
'; $o .= ''; } else { $found = array(); if ($CFG->unicodedb) { $q = preg_replace('/\s*[\W]+\s*/u', ' ', $q); } else { $q = preg_replace('/\s*[^\w]+\s*/', ' ', $q); } foreach (explode(" ", $q) as $search) { if (empty($search)) { continue; } $result = ewiki_database("SEARCH", array("content" => $search)); while ($row = $result->get()) { #-- show this entry in page listings? if (EWIKI_PROTECTED_MODE && EWIKI_PROTECTED_MODE_HIDING && !ewiki_auth($row["id"], $row, "view")) { continue; } $found[] = $row["id"]; } } $o .= ewiki_list_pages($found); } return($o); } function ewiki_page_info($id, &$data, $action) { global $ewiki_plugins, $ewiki_config, $ewiki_links; global $CFG, $course; // MOODLE HACK $o = ewiki_make_title($id, ewiki_t("INFOABOUTPAGE")." '{$id}'", 2, $action,"", "_MAY_SPLIT=1"); $flagnames = array( "TEXT", "BIN", "DISABLED", "HTML", "READONLY", "WRITEABLE", "APPENDONLY", "SYSTEM", ); $show = array( "version", "author", "userid", "created", "lastmodified", "refs", "flags", "meta", "content" ); #-- versions to show $v_start = $data["version"]; if ( ($uu=@$_REQUEST[EWIKI_UP_PAGENUM]) && ($uu<=$v_start) ) { $v_start = $uu; } $v_end = $v_start - $ewiki_config["list_limit"] + 1; if ( ($uu=@$_REQUEST[EWIKI_UP_PAGEEND]) && ($uu<=$v_start) ) { $v_end = $uu; } $v_end = max($v_end, 1); #-- go # the very ($first) entry is rendered more verbosely than the others for ($v=$v_start,$first=1; ($v>=$v_end); $v--,$first=0) { $current = ewiki_database("GET", array("id"=>$id, "version"=>$v)); if (!strlen(trim($current["id"])) || !$current["version"] || !strlen(trim($current["content"]))) { continue; } $o .= '' . "\n"; #-- additional info-actions $commands = ''; foreach ($ewiki_config["action_links"]["info"] as $thisaction=>$title) if (@$ewiki_plugins["action"][$thisaction] || @$ewiki_plugins["action_always"][$thisaction]) { ##### BEGIN MOODLE ADDITION ##### if ($commands) { $commands .= '  '; } $commands .= '$current["version"])) . '">' . get_string($title,"wiki") . ''; ##### END MOODLE ADDITION ##### } #-- print page database entry foreach($show as $i) { $value = @$current[$i]; #-- show database {fields} differently if ($i == "meta") { continue; // MOODLE DOESN'T USE IT $str = ""; if ($first && $value) { foreach ($value as $n=>$d) { $str .= s("$n: $d") . "
\n"; } } $value = $str; } elseif ($value >= UNIX_MILLENNIUM) { #-- {lastmodified}, {created} #### BEGIN MOODLE CHANGE $value=userdate($value); #$value = strftime("%c", $value); #### END MOODLE CHANGE } elseif ($i == "content") { continue; // MOODLE DOESN'T CARE $value = strlen(trim($value)) . " bytes"; $i = "content size"; } elseif ($first && ($i == "refs") && !(EWIKI_PROTECTED_MODE && (EWIKI_PROTECTED_MODE_HIDING>=2))) { $a = explode("\n", trim($value)); $ewiki_links = ewiki_database("FIND", $a); ewiki_merge_links($ewiki_links); foreach ($a as $n=>$link) { $a[$n] = ewiki_link_regex_callback(array("$link"), "force_noimg"); } $value = trim(implode(", ", $a)); if (!$value) { continue; } } elseif (strpos($value, "\n") !== false) { #-- also for {refs} $value = str_replace("\n", ", ", trim($value)); if (!$value) { continue; } } elseif ($i == "version") { $value = '$value)) . '">' . $value . ' '."($commands)"; } elseif ($i == "flags") { continue; // MOODLE DOESN'T USE IT $fstr = ""; for ($n = 0; $n < 32; $n++) { if ($value & (1 << $n)) { if (! ($s=$flagnames[$n])) { $s = "UU$n"; } $fstr .= $s . " "; } } $value = $fstr; } elseif ($i == "author") { continue; $ewiki_links=1; $value = preg_replace_callback("/((\w+:)?([".EWIKI_CHARS_U."]+[".EWIKI_CHARS_L."]+){2,}[\w\d]*)/", "ewiki_link_regex_callback", $value); } elseif ($i == "userid") { $i = 'author'; if ($user = get_record('user', 'id', (int)$value)) { if (!isset($course->id)) { $course->id = 1; } $picture = print_user_picture($user->id, $course->id, $user->picture, false, true, true); $value = $picture." wwwroot/user/view.php?id=$user->id&course=$course->id\">".fullname($user).""; } else { continue; //$value = @$current['author']; } } ##### BEGIN MOODLE ADDITION ##### $o .= '' . '\n"; ##### END MOODLE ADDITION ##### } $o .= "
' .ewiki_t($i). ':' . $value . "


\n"; } #-- page result split if ($v >= 1) { $o .= "
\n".get_string('showversions','wiki').' '.ewiki_chunked_page($action, $id, -1, $v, 1, 0, 0) . "\n
"; } return($o); } function ewiki_chunked_page($action, $id, $dir=-1, $start=10, $end=1, $limit=0, $overlap=0.25, $collapse_last=0.67) { global $ewiki_config; if (empty($limit)) { $limit = $ewiki_config["list_limit"]; } if ($overlap < 1) { $overlap = (int) ($limit * $overlap); } $p = ""; $n = $start; while ($n) { $n -= $dir * $overlap; $e = $n + $dir * ($limit + $overlap) + 1; if ($dir<0) { $e = max(1, $e); if ($e <= $collapse_last * $limit) { $e = 1; } } else { $e = min($end, $e); if ($e >= $collapse_last * $limit) { $e = $end; } } $o .= ($o?" · ":"") . ''. "$n-$e" . ''; if (($n=$e-1) < $end) { $n = false; } } return(''. $o .''); } function ewiki_page_edit($id, $data, $action) { global $ewiki_links, $ewiki_author, $ewiki_plugins, $ewiki_ring, $ewiki_errmsg; $hidden_postdata = array(); #-- previous version come back if (@$data["forced_version"]) { $current = ewiki_database("GET", array("id"=>$id)); $data["version"] = $current["version"]; unset($current); unset($_REQUEST["content"]); unset($_REQUEST["version"]); } #-- edit hacks if ($pf_a = @$ewiki_plugins["edit_hook"]) foreach ($pf_a as $pf) { if ($output = $pf($id, $data, $hidden_postdata)) { return($output); } } #-- permission checks if (isset($ewiki_ring)) { $ring = $ewiki_ring; } else { $ring = 3; } $flags = @$data["flags"]; if (!($flags & EWIKI_DB_F_WRITEABLE)) { #-- perform auth $edit_ring = (EWIKI_PROTECTED_MODE>=2) ? (2) : (NULL); if (EWIKI_PROTECTED_MODE && !ewiki_auth($id, $data, $action, $edit_ring, "FORCE")) { return($ewiki_errmsg); } #-- flag checking if (($flags & EWIKI_DB_F_READONLY) and ($ring >= 2)) { return(ewiki_t("CANNOTCHANGEPAGE")); } if (($flags) and (($flags & EWIKI_DB_F_TYPE) != EWIKI_DB_F_TEXT) and ($ring >= 1)) { return(ewiki_t("CANNOTCHANGEPAGE")); } } #-- "Edit Me" $o = ewiki_make_title($id, ewiki_t("EDITTHISPAGE").(" '{$id}'"), 2, $action, "", "_MAY_SPLIT=1"); #-- preview if (isset($_REQUEST["preview"])) { $o .= $ewiki_plugins["edit_preview"][0]($data); } #-- save if (isset($_REQUEST["save"])) { #-- normalize to UNIX newlines $_REQUEST["content"] = str_replace("\015\012", "\012", $_REQUEST["content"]); $_REQUEST["content"] = str_replace("\015", "\012", $_REQUEST["content"]); #-- check for concurrent version saving $error = 0; if ((@$data["version"] >= 1) && ($data["version"] != @$_REQUEST["version"]) || (@$_REQUEST["version"] < 1)) { $pf = $ewiki_plugins["edit_patch"][0]; if (!$pf || !$pf($id, $data)) { $error = 1; $o .= ewiki_t("ERRVERSIONSAVE") . "

"; } } if (!$error) { #-- new pages` flags if (! ($set_flags = @$data["flags"] & EWIKI_DB_F_COPYMASK)) { $set_flags = 1; } if (EWIKI_ALLOW_HTML) { $set_flags |= EWIKI_DB_F_HTML; } #-- mk db entry $save = array( "id" => $id, "version" => @$data["version"] + 1, "flags" => $set_flags, "content" => $_REQUEST["content"], "created" => ($uu=@$data["created"]) ? $uu : time(), "meta" => ($uu=@$data["meta"]) ? $uu : "", "hits" => ($uu=@$data["hits"]) ? $uu : "0", ); ewiki_data_update($save); #-- edit storage hooks if ($pf_a = @$ewiki_plugins["edit_save"]) { foreach ($pf_a as $pf) { $pf($save, $data); } } #-- save if (!$save || !ewiki_database("WRITE", $save)) { $o .= $ewiki_errmsg ? $ewiki_errmsg : ewiki_t("ERRORSAVING"); } else { #-- prevent double saving, when ewiki_page() is re-called $_REQUEST = $_GET = $_POST = array(); $o = ewiki_t("THANKSFORCONTRIBUTION") . "

"; $o .= ewiki_page($id); if (EWIKI_EDIT_REDIRECT) { $url = ewiki_script("", $id, "thankyou=1", 0, 0, EWIKI_HTTP_HEADERS?ewiki_script_url():0); if (EWIKI_HTTP_HEADERS && !headers_sent()) { header("Status: 303 Redirect for GET"); header("Location: $url"); #header("URI: $url"); #header("Refresh: 0; URL=$url"); } else { $o .= ''; } } } } //@REWORK // header("Reload-Location: " . ewiki_script("", $id, "", 0, 0, ewiki_script_url()) ); } else { #-- Edit
$o .= ewiki_page_edit_form($id, $data, $hidden_postdata); #-- additional forms if ($pf_a = $ewiki_plugins["edit_form_final"]) foreach ($pf_a as $pf) { $pf($o, $id, $data, $action); } } return($o); } function ewiki_data_update(&$data, $author="") { global $USER, $ewiki_links; #-- add backlinks entry ewiki_scan_wikiwords($data["content"], $ewiki_links, "_STRIP_EMAIL=1"); $data["refs"] = "\n\n".implode("\n", array_keys($ewiki_links))."\n\n"; $data["lastmodified"] = time(); $data["author"] = ewiki_author($author); if (isset($USER->id)) { $data["userid"] = $USER->id; } } #-- edit " . $GLOBALS["ewiki_t"]["C"]["EDIT_TEXTAREA_RESIZE_JS"]; ##### BEGIN MOODLE ADDITION ##### } ##### END MOODLE ADDITION ##### #-- more elements before the submit button if ($pf_a = $ewiki_plugins["edit_form_insert"]) foreach ($pf_a as $pf) { $o .= $pf($id, $data, $action); } ##### BEGIN MOODLE ADDITION (Cancel Editing into Button) ##### $o .= "\n
\n" . ''."\n" . '' . "\n" . '' . "\n"; # . '   ' . ewiki_t("CANCEL_EDIT") . ''; ##### END MOODLE ADDITION ##### #-- additional form elements if ($pf_a = $ewiki_plugins["edit_form_append"]) foreach ($pf_a as $pf) { $o .= $pf($id, $data, $action); } $o .= "\n
\n"; // . ewiki_t("EDIT_FORM_2"); // MOODLE DELETION return('
'. $o .'
'); } #-- pic upload form function ewiki_page_edit_form_final_imgupload(&$o, &$id, &$data, &$action) { if (EWIKI_SCRIPT_BINARY && EWIKI_UP_UPLOAD && EWIKI_IMAGE_MAXSIZE) { $o .= "\n
\n". '
' . '
' . '
' . '' . '' : " />") . '' . '   ' . '' . '
'. "\n"; } } function ewiki_page_edit_preview(&$data) { #### BEGIN MOODLE CHANGES global $moodle_format; $preview_text=$GLOBALS["ewiki_plugins"]["render"][0]($_REQUEST["content"], 1, EWIKI_ALLOW_HTML || (@$data["flags"]&EWIKI_DB_F_HTML)); return( '
' . "
" . "
" . ewiki_t("PREVIEW") . "


\n" . format_text($preview_text, $moodle_format) . "



" . "
" ); #### END MOODLE CHANGES } function ewiki_control_links($id, &$data, $action) { global $ewiki_plugins, $ewiki_ring, $ewiki_config; $action_links = & $ewiki_config["action_links"][$action]; #-- disabled if (!$ewiki_config["control_line"]) { return(""); } $o = "\n" . '\n"; return($o); } # ============================================================= rendering === ######## ### ### ######### ### ### ### ####### ######## #### ### ######### ### #### ### ####### ### ##### ### ### ##### ### ### ###### ######### ### #### ### ######### ###### ###### ######### ### #### ### ######### ###### ### ### ##### ### ### ### ### ##### ### ######## ### #### ######### ### ### #### ####### ######## ### ### ######### ### ### ### ####### /* The _format() function transforms $wiki_source pages into strings, also calls various markup and helper plugins during the transformation process. The $params array can activate various features and extensions. only accepts UNIX newlines! */ function ewiki_format ( $wiki_source, $params = array() ) { global $ewiki_links, $ewiki_plugins, $ewiki_config; #-- state vars $params = @array_merge($ewiki_config["format_params"], $params); $s = array( "in" => 0, # current input $iii[] block array index "para" => "", "line" => "", "post" => "", # string to append after current line/paragraph "line_i" => 0, "lines" => array(), "list" => "", # lists "tbl" => 0, # open table? "indent" => 0, # indentation "close" => array(), ); #-- aliases $in = &$s["in"]; $line = &$s["line"]; $lines = &$s["lines"]; $para = &$s["para"]; $post = &$s["post"]; $list = &$s["list"]; #-- input and output arrays if ($wiki_source[0] == "<") { # also prepend an empty line $wiki_source = "\n" . $wiki_source; # for faster strpos() searchs } $iii = array( 0 => array( 0 => $wiki_source."\n", # body + empty line 1 => 0x0FFF, # flags (0x1=WikiMarkup, 0x2=WikiLinks, 0x100=BlockPlugins) 2 => "core", # block plugin name ) ); $ooo = array( ); unset($wiki_source); #-- plugins $pf_tbl = @$ewiki_plugins["format_table"][0]; $pf_line = @$ewiki_plugins["format_line"]; #-- wikimarkup (wm) $htmlentities = $ewiki_config["htmlentities"]; $wm_indent = &$ewiki_config["wm_indent"]; $wm_table_defaults = &$ewiki_config["wm_table_defaults"]; $wm_source = &$ewiki_config["wm_source"]; $wm_list = &$ewiki_config["wm_list"]; $wm_list_chars = implode("", array_keys($wm_list)); $wm_style = &$ewiki_config["wm_style"]; $wm_start_end = &$ewiki_config["wm_start_end"]; #-- eleminate html $iii[0][0] = strtr($iii[0][0], $htmlentities); unset($htmlentities["&"]); #-- pre-processing plugins (working on wiki source) if ($pf_source = $ewiki_plugins["format_source"]) { foreach ($pf_source as $pf) $pf($iii[0][0]); } #-- simple markup $iii[0][0] = strtr($iii[0][0], $wm_source); #-- separate input into blocks ------------------------------------------ foreach ($ewiki_config["format_block"] as $btype => $binfo) { #-- disabled block plugin? if ($binfo[2] && !$params[$binfo[2]]) { continue; } #-- traverse $iii[] $in = -1; while ((++$in) < count($iii)) { #-- search fragment delimeters if ($iii[$in][1] & 0x0100) while ( ($c = & $iii[$in][0]) && (($l = strpos($c, $binfo[0])) !== false) && ($r = strpos($c, $binfo[1], $l)) ) { $l_len = strlen($binfo[0]); $r_len = strlen($binfo[1]); $repl = array(); // pre-text if (($l > 0) && trim($text = substr($c, 0, $l))) { $repl[] = array($text, 0xFFFF, "core"); } // the extracted part if (trim($text = substr($c, $l+$l_len, $r-$l-$r_len))) { $repl[] = array($text, $binfo[3], "$btype"); } // rest if (($r+$r_len < strlen($c)) && trim($text = substr($c, $r+$r_len))) { $repl[] = array($text, 0xFFFF, "core"); } array_splice($iii, $in, 1, $repl); $in += 1; } } } #-- run format_block plugins $in = -1; while ((++$in) < count($iii)) { if (($btype = $iii[$in][2]) && ($pf_a = $ewiki_plugins["format_block"][$btype])) { $c = &$iii[$in][0]; foreach ($pf_a as $pf) { # current buffer $c and pointer $in into $iii[] and state $s $pf($c, $in, $iii, $s, $btype); } } } #-- wiki markup ------------------------------------------------------ $para = ""; $in = -1; while ((++$in) < count($iii)) { #-- wikimarkup if ($iii[$in][1] & 0x0001) { #-- input $lines buffer, and output buffer $ooo array $lines = explode("\n", $iii[$in][0]); $ooo[$in] = array( 0 => "", 1 => $iii[$in][1] ); $out = &$ooo[$in][0]; $s["block"] = ($iii[$in][2] != "core"); # disables indentation & paragraphs #-- walk through wiki source lines $line_max = count($lines); foreach ($lines as $s["line_i"]=>$line) { //echo "
line={$s[line_i]}:".htmlspecialchars($line).":".htmlspecialchars($line[0])."
"; #-- empty lines separate paragraphs if (!strlen($line)) { ewiki_format_close_para($ooo, $s); ewiki_format_close_tags($ooo, $s); if (!$s["block"]) { $out .= "\n"; } } #-- horiz bar if (!strncmp($line, "----", 4)) { $out .= "
\n"; continue; } #-- html comment #if (!strncmp($line, "<!--", 7)) { # $out .= "\n"; # continue; #} ($c0 = $line[0]) or ($c0 = "\000"); #-- tables ### MOODLE CHANGE: TRIM if (($c0 == "|") && ($line[strlen(trim($line))-1] == "|")) { if (!$s["tbl"]) { ewiki_format_close_para($ooo, $s); ewiki_format_close_tags($ooo, $s); $s["list"] = ""; } $line = substr($line, 1, -1); if ($pf_tbl) { $pf_tbl($line, $ooo, $s); } else { if (!$s["tbl"]) { $out .= "\n"; $s["close"][] = "\n
"; } $line = "\n" . str_replace("|", "\n", $line) . "\n"; } $s["tbl"] = 1; $para = false; } elseif ($s["tbl"]) { $s["tbl"] = 0; } #-- headlines if (($c0 == "!") && ($excl = strspn($line, "!"))) { if ($excl > 3) { $excl = 3; } $line = substr($line, $excl); $excl = 5 - $excl; $line = "" . $line . ""; if ($para) { ewiki_format_close_para($ooo, $s); } ewiki_format_close_tags($ooo, $s); $para = false; } #-- whole-line markup # ??? #-- indentation (space/tab markup) $n_indent = 0; if (!$list && (!$s["block"]) && ($n_indent = strspn($line, " "))) { $n_indent = (int) ($n_indent / 2.65); while ($n_indent > $s["indent"]) { $out .= $wm_indent; $s["indent"]++; } } while ($n_indent < $s["indent"]) { $out .= ""; $s["indent"]--; } #-- text style triggers foreach ($wm_style as $find=>$replace) { $find_len = strlen($find); $loop = 20; while(($loop--) && (($l = strpos($line, $find)) !== false) && ($r = strpos($line, $find, $l + $find_len))) { $line = substr($line, 0, $l) . $replace[0] . substr($line, $l + strlen($find), $r - $l - $find_len) . $replace[1] . substr($line, $r + $find_len); } } #-- list markup if (isset($wm_list[$c0])) { if (!$list) { ewiki_format_close_para($ooo, $s); ewiki_format_close_tags($ooo, $s); } $new_len = strspn($line, $wm_list_chars); $new_list = substr($line, 0, $new_len); $old_len = strlen($list); $lchar = $new_list[$new_len-1]; list($lopen, $ltag1, $ltag2) = $wm_list[$lchar]; #-- cut line $line = substr($line, $new_len); $lspace = ""; $linsert = ""; if ($ltag1) { $linsert = "<$ltag1>" . strtok($line, $lchar) . " "; $line = strtok("\000"); } #-- add another
  • st entry if ($new_len == $old_len) { $lspace = str_repeat(" ", $new_len); $out .= "\n" . $lspace . $linsert . "<$ltag2>"; } #-- add list elseif ($new_len > $old_len) { while ($new_len > ($old_len=strlen($list))) { $lchar = $new_list[$old_len]; $list .= $lchar; list($lopen, $ltag1, $ltag2) = $wm_list[$lchar]; $lclose = strtok($lopen, " "); $lspace = str_repeat(" ", $new_len); $out .= "\n$lspace<$lopen>\n" . "$lspace". $linsert . "<$ltag2>"; $s["close"][] = "$lspace"; $s["close"][] = "$lspace"; } } #-- close lists else { while ($new_len < ($old_len=strlen($list))) { $remove = $old_len-$new_len; ewiki_format_close_tags($ooo, $s, 2*$remove); $list = substr($list, 0, -$remove); } if ($new_len) { $lspace = str_repeat(" ", $new_len); $out .= "$lspace\n" . $lspace . $linsert . "<$ltag2>"; } } $list = $new_list; $para = false; } elseif ($list) { if ($c0 == " ") { $para = false; } else { ewiki_format_close_tags($ooo, $s); $list = ""; } } #-- start-end markup foreach ($wm_start_end as $d) { $len0 = strlen($d[0]); $loop = 20; while(($loop--) && (($l = strpos($line, $d[0])) !== false) && ($r = strpos($line, $d[1], $l + $len0))) { $len1 = strlen($d[1]); $line = substr($line, 0, $l) . $d[2] . substr($line, $l + $len0, $r - $l - $len0) . $replace[1] . substr($line, $r + $len1); } } #-- call wiki source formatting plugins that work on current line if ($pf_line) { foreach ($pf_line as $pf) $pf($out, $line, $post); } #-- add formatted line to page-output $line .= $post; if ($para === false) { $out .= $line; $para = ""; } else { $para .= $line . "\n"; } } #-- last block, or next not WikiSource? if (!isset($iii[$in+1]) || !($iii[$in+1][1] & 0x0011)) { ewiki_format_close_para($ooo, $s); ewiki_format_close_tags($ooo, $s); } } #-- copy as is into output buffer else { $ooo[$in] = $iii[$in]; } $iii[$in] = array(); } #-- wiki linking ------------------------------------------------------ $scan_src = ""; for ($in=0; $in $ooo[$in][0] . "\n" . $ooo[$in+1][0], 1 => $ooo[$in][1] | $ooo[$in+1][1], ); array_splice($ooo, $in+1, 1); } } $scan_src .= $ooo[$in][0]; } #-- pre-scan if (1+$params["scan_links"]) { ewiki_scan_wikiwords($scan_src, $ewiki_links); } if ($pf_linkprep = $ewiki_plugins["format_prepare_linking"]) { foreach ($pf_linkprep as $pf) $pf($scan_src); } $scan_src = NULL; #-- finally the link-detection-regex for ($in=0; $in\n"; } #### MOODLE CHANGES } #-- paragraph formation plugins if ($pf_a = $GLOBALS["ewiki_plugins"]["format_para"]) { foreach ($pf_a as $pf) { $pf($s["para"], $ooo, $s); } } $out .= $s["para"]; $s["para"] = ""; } #-- indentation while ($s["indent"]) { $out .= ""; $s["indent"]--; } } function ewiki_format_close_tags(&$ooo, &$s, $count=100) { $out = &$ooo[$s["in"]][0]; if (!is_array($s) || !is_array($s["close"])) { die("\$s is garbaged == $s!!"); } while (($count--) && ($add = array_pop($s["close"]))) { $out .= $add . "\n"; } } function ewiki_format_pre(&$str, &$in, &$iii, &$s, $btype) { $str = "
    " . $str . "
    "; } function ewiki_format_html(&$str, &$in, &$iii, &$s) { $he = array_reverse($GLOBALS["ewiki_config"]["htmlentities"]); $str = strtr($str, array_flip($he)); $str = "" . $str . "\n\n"; } function ewiki_format_comment(&$str, &$in, &$iii, &$s, $btype) { $str = ""; } /* unclean pre-scanning for WikiWords in a page, pre-query to the db */ function ewiki_scan_wikiwords(&$wiki_source, &$ewiki_links, $se=0) { global $ewiki_config; #-- find matches preg_match_all($ewiki_config["wiki_pre_scan_regex"], $wiki_source, $uu); $uu = @array_merge($uu[1], $uu[2], $uu[3], $uu[4], (array)@$uu[5]); #-- clean up list, trim() spaces (allows more unclean regex) - page id unification foreach ($uu as $i=>$id) { $uu[$i] = trim($id); } unset($uu[""]); $uu = array_unique($uu); #-- query db $ewiki_links = ewiki_database("FIND", $uu); #-- strip email adresses if ($se) { foreach ($ewiki_links as $c=>$uu) { if (strpos($c, "@") && (strpos($c, ".") || strpos($c, ":"))) { unset($ewiki_links[$c]); } } } } /* regex on page content, handled by callback (see below) */ function ewiki_render_wiki_links(&$o) { global $ewiki_links, $ewiki_config, $ewiki_plugins; #-- merge with dynamic pages list ewiki_merge_links($ewiki_links); #-- replace WikiWords $link_regex = &$ewiki_config["wiki_link_regex"]; $o = preg_replace_callback($link_regex, "ewiki_link_regex_callback", $o); #-- cleanup unset($ewiki_links); } /* combines with page plugin list, and makes all case-insensitive */ function ewiki_merge_links(&$ewiki_links) { global $ewiki_plugins; #### BEGIN MOODLE CHANGES global $ewiki_link_case; $ewiki_link_case=array(); #### END MOODLE CHANGES if ($ewiki_links !== true) { foreach ($ewiki_plugins["page"] as $page=>$uu) { $ewiki_links[$page] = 1; } #### BEGIN MOODLE CHANGES foreach($ewiki_links as $page => $uu) { if($uu) { $ewiki_link_case[strtolower($page)]=$page; } } #### END MOODLE CHANGES $ewiki_links = ewiki_array($ewiki_links); } } /* link rendering (p)regex callback (ooutch, this is a complicated one) */ function ewiki_link_regex_callback($uu, $force_noimg=0) { #print "
    "; print_r($uu); print "
    "; global $ewiki_links, $ewiki_plugins, $ewiki_config, $ewiki_id; $str = trim($uu[0]); $type = array(); $states = array(); #-- link bracket '[' escaped with '!' or '~' if (($str[0] == "!") || ($str[0] == "~")) { return(substr($str, 1)); } if ($str[0] == "#") { $states["define"] = 1; $str = substr($str, 1); } if ($str[0] == "[") { $states["brackets"] = 1; $str = substr($str, 1, -1); } #-- explicit title given via [ title | WikiLink ] $href = $title = strtok($str, "|"); if ($uu = strtok("|")) { $href = $uu; $states["titled"] = 1; } #-- title and href swapped: swap back if (strpos("://", $title) || strpos($title, ":") && !strpos($href, ":")) { $uu = $title; $title = $href; $href = $uu; } #-- new entitling scheme [ url "title" ] if ((($l=strpos($str, '"')) < ($r=strrpos($str, '"'))) && ($l!==false) ) { $title = substr($str, $l + 1, $r - $l - 1); $href = substr($str, 0, $l) . substr($str, $r + 1); $states["titled"] = 1; } #-- strip spaces $spaces_l = ($href[0]==" ") ?1:0; $spaces_r = ($href[strlen($href)-1]==" ") ?1:0; $title = ltrim(trim($title), "^"); $href = ltrim(trim($href), "^"); #-- strip_htmlentities() if (1&& (strpos($href, "&")!==false) && strpos($href, ";")) { foreach (array("<"=>"<", ">"=>">", "&"=>"&") as $f=>$t) { $href = str_replace($f, $t, $href); } } #-- anchors $href2 = ""; if (($p = strrpos($href, "#")) && ($p) && ($href[$p-1] != "&")) { $href2 = trim(substr($href, $p)); $href = trim(substr($href, 0, $p)); } elseif ($p === 0) { $states["define"] = 1; } if ($href == ".") { $href = $ewiki_id; } #-- for case-insensitivines $href_i = EWIKI_CASE_INSENSITIVE ? strtolower($href) : ($href); #-- injected URLs if (strpos($inj_url = $ewiki_links[$href_i], "://")) { if ($href==$title) { $href = $inj_url; } } #-- interwiki links if (strpos($href, ":") && ($uu = ewiki_interwiki($href, $type))) { $href = $uu; $str = "$title"; } #-- action:WikiLinks elseif ($ewiki_plugins["action"][$a=strtolower(strtok($href, ":"))]) { $type = array($a, "action", "wikipage"); $str = '' . $title . ''; } #-- page anchor definitions, if ($href[0]=="#") elseif (@$states["define"]) { $type = array("anchor"); if ($title==$href) { $title=" "; } $str = '' . ltrim($title, "#") . ''; } #-- inner page anchor jumps elseif (strlen($href2) && ($href==$ewiki_id) || ($href[0]=="#") && ($href2=&$href)) { $type = array("jump"); $str = '' . $title . ''; } #-- ordinary internal WikiLinks elseif (($ewiki_links === true) || @$ewiki_links[$href_i]) { $type = array("wikipage"); #### BEGIN MOODLE CHANGES global $ewiki_link_case; $href_realcase=array_key_exists($href_i,$ewiki_link_case) ? $ewiki_link_case[$href_i] : $href; $str = '' . $title . ''; #### END MOODLE CHANGES } #-- guess for mail@addresses, convert to URI if elseif (strpos($href, "@") && !strpos($href, ":")) { $type = array("email"); $href = "mailto:" . $href; } #-- not found fallback else { $str = ""; #-- a plugin may take care if ($pf_a = $ewiki_plugins["link_notfound"]) { foreach ($pf_a as $pf) { if ($str = $pf($title, $href, $href2, $type)) { break; } } } #-- (QuestionMarkLink to edit/ action) if (!$str) { $type = array("notfound"); $str = '' . $title . '?'; } } #-- convert standard URLs foreach ($ewiki_config["idf"]["url"] as $find) if (strpos($href, $find)===0) { $type[-2] = "url"; $type[-1] = strtok($find, ":"); #-- URL plugins if ($pf_a = $ewiki_plugins["link_url"]) foreach ($pf_a as $pf) { if ($str = $pf($href, $title)) { break 2; } } $meta = @$ewiki_links[$href]; #-- check for image files $ext = substr($href, strrpos($href,".")); $nocache = strpos($ext, "no"); $ext = strtok($ext, "?&#"); $obj = in_array($ext, $ewiki_config["idf"]["obj"]); $img = $obj || in_array($ext, $ewiki_config["idf"]["img"]); #-- internal:// references (binary files) if (EWIKI_SCRIPT_BINARY && ((strpos($href, EWIKI_IDF_INTERNAL)===0) || EWIKI_IMAGE_MAXSIZE && EWIKI_CACHE_IMAGES && $img && !$nocache) ) { $type = array("binary"); $href = ewiki_script_binary("", $href); } #-- output html reference if (!$img || $force_noimg || !$states["brackets"] || (strpos($href, EWIKI_IDF_INTERNAL) === 0)) { $str = '' . $title . ''; } #-- img tag else { if (is_string($meta)) { $meta = unserialize($meta); } $type = array("image"); #-- uploaded images size $x = $meta["width"]; $y = $meta["height"]; if ($p = strpos('?', $href)) { #-- width/height given in url parse_str(str_replace("&", "&", substr($href, $p)), $meta); ($uu = $meta["x"] . $meta["width"]) and ($x = $uu); ($uu = $meta["y"] . $meta["height"]) and ($y = $uu); if ($scale = $meta["r"] . $meta["scale"]) { ($p = strpos($scale, "%")) and ($scale = strpos($scale, 0, $p) / 100); $x *= $scale; $y *= $scale; } } $align = array('', ' align="right"', ' align="left"', ' align="center"'); $align = $align[$spaces_l + 2*$spaces_r]; $str = ($obj ? '" . ($obj ? "" : ""); # htmlentities($title) } break; } #-- icon/transform plugins ksort($type); if ($pf_a = @$ewiki_plugins["link_final"]) { foreach ($pf_a as $pf) { $pf($str, $type, $href, $title); } } return($str); } /* Returns URL if it encounters an InterWiki:Link or workalike. */ function ewiki_interwiki($href, &$type) { global $ewiki_config, $ewiki_plugins; if (strpos($href, ":") and !strpos($href, "//") and ($p1 = strtok($href, ":"))) { $page = strtok("\000"); if (($p1 = ewiki_array($ewiki_config["interwiki"], $p1)) !== NULL) { $type = array("interwiki", $uu); while ($p1_alias = $ewiki_config["interwiki"][$p1]) { $type[] = $p1; $p1 = $p1_alias; } if (!strpos($p1, "%s")) { $p1 .= "%s"; } $href = str_replace("%s", $page, $p1); return($href); } elseif ($pf = $ewiki_plugins["intermap"][$p1]) { return($pf($p1, $page)); } } } /* implements FeatureWiki:InterMapWalking */ function ewiki_intermap_walking($id, &$data, $action) { if (empty($data["version"]) && ($href = ewiki_interwiki($id, $uu))) { header("Location: $href"); return("$href"); } } # ========================================================================= ##### ## ## ## ## ##### ## ## ###### ## ### ## #### ###### ## ## ## ## ## ### ## ###### ## ## ## ## ##### ## #### ## ## ## ###### ###### ##### ## ####### ###### #### #### ## ### ## ## #### ###### ##### ## ## ### ## ## ### ## ## ## ### ## ###### ## ## ### ## ## ## ## ## ###### ## ## ## ## ## ## ## ## /* fetch & store */ function ewiki_binary($break=0) { global $ewiki_plugins; global $USER; // MOODLE #-- reject calls if (!strlen($id = @$_REQUEST[EWIKI_UP_BINARY]) || !EWIKI_IDF_INTERNAL) { return(false); } if (headers_sent()) die("ewiki-binary configuration error"); #-- upload requests $upload_file = @$_FILES[EWIKI_UP_UPLOAD]; $add_meta = array(); if ($orig_name = @$upload_file["name"]) { $add_meta["Content-Location"] = urlencode($orig_name); $add_meta["Content-Disposition"] = 'inline; filename="'.urlencode(basename("remote://$orig_name")).'"'; } #-- what are we doing here? if (($id == EWIKI_IDF_INTERNAL) && ($upload_file)) { $do = "upload"; } else { $data = ewiki_database("GET", array("id" => $id)); $flags = @$data["flags"]; if (EWIKI_DB_F_BINARY == ($flags & EWIKI_DB_F_TYPE)) { $do = "get"; } elseif (empty($data["version"]) and EWIKI_CACHE_IMAGES) { $do = "cache"; } else { $do = "nop"; } } #-- auth only happens when enforced with _PROTECTED_MODE_XXL setting # (authentication for inline images in violation of the WWW spirit) if ((EWIKI_PROTECTED_MODE>=5) && !ewiki_auth($id, $data, "binary-{$do}")) { return($_REQUEST["id"]="view/BinaryPermissionError"); } #-- upload an image if ($do == "upload"){ $id = ewiki_binary_save_image($upload_file["tmp_name"], "", $return=0, $add_meta); @unlink($upload_file["tmp_name"]); ($title = trim($orig_name, "/")) && ($title = preg_replace("/[^-._\w\d]+/", "_", substr(substr($orig_name, strrpos($title, "/")), 0, 20))) && ($title = '"'.$title.'"') || ($title=""); if ($id) { echo<<File/Picture UploadYour uploaded file was saved as
    [$id] .

    EOF; } } #-- request for contents from the db elseif ($do == "get") { #### CHANGED FOR MOODLE if (EWIKI_HIT_COUNTING) { $tmp["id"]=$id; ewiki_database("HIT", $tmp); } #### CHANGED FOR MOODLE #-- send http_headers from meta if (is_array($data["meta"])) { foreach ($data["meta"] as $hdr=>$val) { if (($hdr[0] >= "A") && ($hdr[0] <= "Z")) { header("$hdr: $val"); } } } #-- fetch from binary store if ($pf_a = $ewiki_plugins["binary_get"]) { #### CHANGED FOR MOODLE foreach ($pf_a as $pf) { $pf($id, $data["meta"]); } #### END CHANGED FOR MOODLE } #-- else fpassthru echo $data["content"]; } #-- fetch & cache requested URL, elseif ($do == "cache") { #-- check for standard protocol names, to prevent us from serving # evil requests for '/etc/passwd.jpeg' or '../.htaccess.gif' if (preg_match('@^\w?(http|ftp|https|ftps|sftp)\w?://@', $id)) { #-- generate local copy $filename = tempnam(EWIKI_TMP, "ewiki.local.temp."); if (($i = fopen($id, "rb")) && ($o = fopen($filename, "wb"))) { while (!feof($i)) { fwrite($o, fread($i, 65536)); } fclose($i); fclose($o); $add_meta = array( "Content-Location" => urlencode($id), "Content-Disposition" => 'inline; filename="'.urlencode(basename($id)).'"' ); $result = ewiki_binary_save_image($filename, $id, "RETURN", $add_meta); } } #-- deliver if ($result && !$break) { ewiki_binary($break=1); } #-- mark URL as unavailable else { $data = array( "id" => $id, "version" => 1, "flags" => EWIKI_DB_F_DISABLED, "lastmodified" => time(), "created" => time(), "author" => ewiki_author("ewiki_binary_cache"), "userid" => $USER->id, "content" => "", "meta" => array("Status"=>"404 Absent"), ); ewiki_database("WRITE", $data); header("Location: $id"); ewiki_log("imgcache: did not find '$id', and marked it now in database as DISABLED", 2); } } #-- "we don't sell this!" else { if (strpos($id, EWIKI_IDF_INTERNAL) === false) { header("Status: 301 Located SomeWhere Else"); header("Location: $id"); } else { header("Status: 404 Absent"); header("X-Broken-URI: $id"); } } // you should not remove this one, it is really a good idea to use it! die(); } function ewiki_binary_save_image($filename, $id="", $return=0, $add_meta=array(), $accept_all=EWIKI_ACCEPT_BINARY, $care_for_images=1) { global $ewiki_plugins; global $USER; // MOODLE #-- break on empty files if (!filesize($filename)) { return(false); } #-- check for image type and size $mime_types = array( "application/octet-stream", "image/gif", "image/jpeg", "image/png", "application/x-shockwave-flash" ); $ext_types = array( "bin", "gif", "jpeg", "png", "swf" ); list($width, $height, $mime_i, $uu) = getimagesize($filename); (!$mime_i) && ($mime_i=0) || ($mime = $mime_types[$mime_i]); #-- images expected if ($care_for_images) { #-- mime type if (!$mime_i && !$accept_all || !filesize($filename)) { ewiki_die(ewiki_t("BIN_NOIMG"), $return); return; } #-- resize image if (strpos($mime,"image/")!==false) { if ($pf_a = $ewiki_plugins["image_resize"]) { foreach ($pf_a as $pf) { if (EWIKI_IMAGE_RESIZE && (filesize($filename) > EWIKI_IMAGE_MAXSIZE)) { $pf($filename, $mime, $return); clearstatcache(); }}}} #-- reject image if too large if (strlen($content) > EWIKI_IMAGE_MAXSIZE) { ewiki_die(ewiki_t("BIN_IMGTOOLARGE"), $return); return; } #-- again check mime type and image sizes list($width, $height, $mime_i, $uu) = getimagesize($filename); (!$mime_i) && ($mime_i=0) || ($mime = $mime_types[$mime_i]); } ($ext = $ext_types[$mime_i]) or ($ext = $ext_types[0]); #-- binary files if ((!$mime_i) && ($pf = $ewiki_plugins["mime_magic"][0])) { if ($tmp = $pf($content)) { $mime = $tmp; } } if (!strlen($mime)) { $mime = $mime_types[0]; } #-- store size of binary file $add_meta["size"] = filesize($filename); $content = ""; #-- handler for (large/) binary content? if ($pf_a = $ewiki_plugins["binary_store"]) { foreach ($pf_a as $pf) { $pf($filename, $id, $add_meta, $ext); } } #-- read file into memory (2MB), to store it into the database if ($filename) { $f = fopen($filename, "rb"); $content = fread($f, 1<<21); fclose($f); } #-- generate db file name if (empty($id)) { $md5sum = md5($content); $id = EWIKI_IDF_INTERNAL . $md5sum . ".$ext"; ewiki_log("generated md5sum '$md5sum' from file content"); } #-- prepare meta data $meta = @array_merge(array( "class" => $mime_i ? "image" : "file", "Content-Type" => $mime, "Pragma" => "cache", ), $add_meta); if ($mime_i) { $meta["width"] = $width; $meta["height"] = $height; } #-- database entry $data = array( "id" => $id, "version" => "1", "author" => ewiki_author(), "userid" => $USER->id, "flags" => EWIKI_DB_F_BINARY | EWIKI_DB_F_READONLY, "created" => time(), "lastmodified" => time(), "meta" => &$meta, "content" => &$content, ); #-- write if not exist $exists = ewiki_database("FIND", array($id)); if (! $exists[$id] ) { $result = ewiki_database("WRITE", $data); ewiki_log("saving of '$id': " . ($result ? "ok" : "error")); } else { ewiki_log("binary_save_image: '$id' was already in the database", 2); } return($id); } # ========================================================================= #### #### #### ######## ######## ##### ##### #### ########## ########## ###### ###### #### #### ### #### ### ############# #### #### ############# #### ######## #### #### ### #### #### ######## #### #### # #### #### #### #### #### #### #### ### #### #### ### #### #### #### ######### ########## #### #### #### ####### ######## /* yes! it is not neccessary to annoy users with country flags, if the http already provides means to determine preferred languages! */ function ewiki_localization() { global $ewiki_t, $ewiki_plugins; $deflangs = ','.@$_ENV["LANGUAGE"] . ','.@$_ENV["LANG"] . ",".EWIKI_DEFAULT_LANG . ",en,C"; foreach (explode(",", @$_SERVER["HTTP_ACCEPT_LANGUAGE"].$deflangs) as $l) { $l = strtok($l, ";"); $l = strtok($l, "-"); $l = strtok($l, "_"); $l = strtok($l, "."); $l = trim($l); $ewiki_t["languages"][] = strtolower($l); } } /* poor mans gettext, $repl is an array of string replacements to get applied to the fetched text chunk, "$const" is either an entry from $ewiki_t[] or a larger text block containing _{text} replacement braces of the form "_{...}" */ function ewiki_t($const, $repl=array(), $pref_langs=array()) { ##### BEGIN MOODLE ADDITION ##### $replacechars=array("." => "", "," => "", "!" => "", ";" => "", ":" => "", "'" => "", '"' => "", "-" => "", "_" => "", " " => "", "+" => ""); $translation=get_string(strtolower(strtr($const,$replacechars)),"wiki",$repl); return $translation; ##### END MOODLE ADDITION ##### /* global $ewiki_t; #-- use default language wishes if (empty($pref_langs)) { $pref_langs = $ewiki_t["languages"]; } #-- large text snippet replaceing if (strpos($const, "_{") !== false) { while ( (($l=strpos($const,"_{")) || ($l===0)) && ($r=strpos($const,"}",$l)) ) { $const = substr($const, 0, $l) . ewiki_t(substr($const, $l+2, $r-$l-2)) . substr($const,$r+1); } } #-- just one string else foreach ($pref_langs as $l) { if (is_string($r = @$ewiki_t[$l][$const]) || ($r = @$ewiki_t[$l][strtoupper($const)])) { foreach ($repl as $key=>$value) { if ($key[0] != '$') { $key = '$'.$key; } $r = str_replace($key, $value, $r); } return($r); } } return($const);*/ } function ewiki_log($msg, $error_type=3) { if ((EWIKI_LOGLEVEL >= 0) && ($error_type <= EWIKI_LOGLEVEL)) { $msg = time() . " - " . getremoteaddr() . ":" . $_SERVER["REMOTE_PORT"] . " - " . $_SERVER["REQUEST_METHOD"] . " " . $_SERVER["REQUEST_URI"] . " - " . strtr($msg, "\n\r\000\377\t\f", "\r\r\r\r\t\f") . "\n"; error_log($msg, 3, EWIKI_LOGFILE); } } function ewiki_die($msg, $return=0) { ewiki_log($msg, 1); if ($return) { return($GLOBALS["ewiki_error"] = $msg); } else { die($msg); } } function ewiki_array_hash(&$a) { return(count($a) . ":" . implode(":", array_keys(array_slice($a, 0, 3)))); } /* provides an case-insensitive in_array replacement to search a page name in a list of others; the supplied $array WILL be lowercased afterwards, unless $dn was set */ function ewiki_in_array($value, &$array, $dn=0, $ci=EWIKI_CASE_INSENSITIVE) { static $as = array(); #-- work around pass-by-reference if ($dn && $ci) { $dest = array(); } else { $dest = &$array; } #-- make everything lowercase if ($ci) { $value = strtolower($value); if (empty($as[ewiki_array_hash($array)])) { // prevent working on the foreach ($array as $i=>$v) { // same array multiple times $dest[$i] = strtolower($v); } $as[ewiki_array_hash($dest)] = 1; } } #-- search in values return(in_array($value, $dest)); } /* case-insensitively retrieves an entry from an $array, or returns the given $array lowercased if $key was obmitted */ function ewiki_array($array, $key=false, $am=1, $ci=EWIKI_CASE_INSENSITIVE) { #-- make everything lowercase if ($ci) { $key = strtolower($key); $r = array(); foreach ($array as $i=>$v) { $i = strtolower($i); if (!$am || empty($r[$i])) { $r[$i] = $v; } else { $r[$i] .= $v; //RET: doubling for images`meta won't happen } // but should be "+" here for integers } $array = &$r; } #-- search in values if ($key) { return(@$array[$key]); } else { return($array); } } function ewiki_author($defstr="") { $author = @$GLOBALS["ewiki_author"]; ($ip = getremoteaddr()) or ($ip = "127.0.0.0"); ($port = $_SERVER["REMOTE_PORT"]) or ($port = "null"); $hostname = $ip; $remote = (($ip != $hostname) ? $hostname . " " : "") . $ip . ":" . $port; (empty($author)) && ( ($author = $defstr) || ($author = $_SERVER["HTTP_FROM"]) || // RFC2068 sect 14.22 ($author = $_SERVER["PHP_AUTH_USER"]) ); (empty($author)) && ($author = $remote) || ($author = addslashes($author) . " (" . $remote . ")" ); return($author); } /* Returns a value of (true) if the currently logged in user (this must be handled by one of the plugin backends) is authenticated to do the current $action, or to view the current $id page. - alternatively just checks current authentication $ring permission level - errors are returned via the global $ewiki_errmsg */ function ewiki_auth($id, &$data, $action, $ring=false, $request_auth=0) { global $ewiki_plugins, $ewiki_ring, $ewiki_author, $ewiki_errmsg; $ok = true; $ewiki_errmsg=""; #echo "_a($id,dat,$action,$ring,$request_auth)
    \n"; if (EWIKI_PROTECTED_MODE) { #-- set required vars if (!isset($ewiki_ring)) { $ewiki_ring = (int)EWIKI_AUTH_DEFAULT_RING; } if ($ring===false) { $ring = NULL; } #-- plugins to call $pf_login = @$ewiki_plugins["auth_query"][0]; $pf_perm = $ewiki_plugins["auth_perm"][0]; #-- nobody is currently logged in, so try to fetch username, # the login
    is not yet enforced if ($pf_login && empty($ewiki_auth_user)) { $pf_login($data, 0); } #-- check permission for current request (page/action/ring) if ($pf_perm) { #-- via _auth handler $ok = $pf_perm($id, $data, $action, $ring, $request_auth); #-- if it failed, we really depend on the login , # and then recall the _perm plugin if ($pf_login && (($request_auth >= 2) || !$ok && $request_auth && (empty($ewiki_auth_user) || EWIKI_AUTO_LOGIN) && empty($ewiki_errmsg))) { //@FIXME: complicated if() - strip empty(errmsg) ?? $pf_login($data, $request_auth); $ok = $pf_perm($id, $data, $action, $ring, $request_auth=0); } } else { $ok = !isset($ring) || isset($ring) && ($ewiki_ring <= $ring); } #-- return error string if (!$ok && empty($ewiki_errmsg)) { $ewiki_errmsg = ewiki_t("FORBIDDEN"); } } return($ok); } /* Queries all registered ["auth_userdb"] plugins for the given username, and compares password to against "db" value, sets $ewiki_ring and returns(true) if valid. */ function ewiki_auth_user($username, $password) { global $ewiki_ring, $ewiki_errmsg, $ewiki_auth_user, $ewiki_plugins, $ewiki_author; if (empty($username)) { return(false); } if (($password[0] == "$") || (strlen($password) > 12)) { ewiki_log("_auth_userdb: password was transmitted in encoded form, or is just too long (login attemp for user '$username')", 2); return(false); } if ($pf_u = $ewiki_plugins["auth_userdb"]) foreach ($pf_u as $pf) { if (function_exists($pf) && ($entry = $pf($username, $password))) { #-- get and compare password if ($entry = (array) $entry) { $enc_pw = $entry[0]; } $success = false || ($enc_pw == substr($password, 0, 12)) || ($enc_pw == md5($password)) || ($enc_pw == crypt($password, substr($enc_pw, 0, 2))) || function_exists("sha1") && ($enc_pw == sha1($password)); $success &= $enc_pw != "*"; #-- return if it matches if ($success) { if (isset($entry[1])) { $ewiki_ring = (int)($entry[1]); } else { $ewiki_ring = 2; //(EWIKI_AUTH_DEFAULT_RING - 1); } if (empty($ewiki_author)) { ($ewiki_author = $entry[2]) or ($ewiki_author = $username); } return($success && ($ewiki_auth_user=$username)); } } } if ($username || $password) { ewiki_log("_auth_userdb: wrong password supplied for user '$username', not verified against any userdb", 3); $ewiki_errmsg = "wrong username and/or password"; # ewiki_auth($uu, $uu, $uu, $uu, 2); } return(false); } /* reads all files from "./init-pages/" into the database, when ewiki is run for the very first time and the FrontPage does not yet exist in the database */ function ewiki_eventually_initialize(&$id, &$data, &$action) { global $USER; #-- initialize database only if frontpage missing if (($id==EWIKI_PAGE_INDEX) && ($action=="edit") && empty($data["version"])) { ewiki_database("INIT", array()); #### BEGIN MOODLE CHANGE $path=EWIKI_INIT_PAGES; if (!empty($path)) { if ($dh = @opendir($path=EWIKI_INIT_PAGES)) { while (false !== ($filename = readdir($dh))) { #### MOODLE CHANGE TO SOLVE BUG #3830. Original doesn't support dots in names. //Orig->if (preg_match('/^(['.EWIKI_CHARS_U.']+['.EWIKI_CHARS_L.']+\w*)+/', $filename)) { if ($filename == clean_filename($filename) && !is_dir($path.'/'.$filename)) { #### END OF MOODLE CHANGE TO SOLVE BUG #3830. Original doesn't support dots in names. $found = ewiki_database("FIND", array($filename)); if (! $found[$filename]) { $content = implode("", file("$path/$filename")); ewiki_scan_wikiwords($content, $ewiki_links, "_STRIP_EMAIL=1"); $refs = "\n\n" . implode("\n", array_keys($ewiki_links)) . "\n\n"; $save = array( "id" => "$filename", "version" => "1", "flags" => "1", "content" => $content, "author" => ewiki_author("ewiki_initialize"), "userid" => $USER->id, "refs" => $refs, "lastmodified" => filemtime("$path/$filename"), "created" => filectime("$path/$filename") // (not exact) ); ewiki_database("WRITE", $save); } } } closedir($dh); } else { echo "ewiki error: could not read from directory ". realpath($path) ."
    \n"; } } #### END MOODLE CHANGE #-- try to view/ that newly inserted page if ($data = ewiki_database("GET", array("id"=>$id))) { $action = "view"; } } } #--------------------------------------------------------------------------- ######## ### ######## ### ######## ### ###### ######## ######## ### ######## ### ######## ### ###### ######## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ######## ## ## ###### ###### ## ## ## ## ## ## ## ######## ## ## ###### ###### ## ## ######### ## ######### ## ## ######### ## ## ## ## ######### ## ######### ## ## ######### ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ######## ## ## ## ## ## ######## ## ## ###### ######## ######## ## ## ## ## ## ######## ## ## ###### ######## /* wrapper */ function ewiki_database($action, $args, $sw1=0, $sw2=0, $pf=false) { #-- normalize (fetch bad parameters) if (($action=="GET") && !is_array($args) && is_string($args)) { $args = array("id" => $args); } #-- treat special switch ($action) { case "GETALL": $args = array_unique(@array_merge($args, array("flags", "version"))); $args = array_diff($args, array("id")); break; case "SEARCH": # unset($args["version"]); # unset($args["flags"]); break; default: break; } #-- handle {meta} sub array as needed if (is_array(@$args["meta"])) { $args["meta"] = serialize($args["meta"]); } #-- database plugin if (($pf) || ($pf = @$GLOBALS["ewiki_plugins"]["database"][0])) { $r = $pf($action, $args, $sw1, $sw2); } else { ewiki_log("DB layer: no backend!", 0); $r = false; } #-- database layer generation 2 abstraction if (is_array($r) && (($action=="SEARCH") || ($action=="GETALL"))) { $z = new ewiki_dbquery_result(array_keys($args)); foreach ($r as $id=>$row) { $z->add($row); } $r = $z; } #-- extract {meta} sub array if (is_array($r) && !is_array(@$r["meta"]) && strlen(@$r["meta"])) { $r["meta"] = unserialize($r["meta"]); } return($r); } /* returned for SEARCH and GETALL queries, as those operations are otherwise too memory exhaustive */ class ewiki_dbquery_result { var $keys = array(); var $entries = array(); var $buffer = EWIKI_DBQUERY_BUFFER; var $size = 0; function ewiki_dbquery_result($keys) { $keys = @array_merge($keys, array(-50=>"id", "version", "flags")); $this->keys = array_unique($keys); } function add($row) { if (is_array($row)) { if ($this->buffer) { $this->size += strlen(serialize($row)); $this->buffer = $this->size <= EWIKI_DBQUERY_BUFFER; } else { $row = $row["id"]; } } $this->entries[] = $row; } function get($all=0, $flags=0x00) { $row = array(); $prot_hide = ($flags&0x0020) && EWIKI_PROTECTED_MODE && EWIKI_PROTECTED_MODE_HIDING; do { if (count($this->entries)) { #-- fetch very first entry from $entries list $r = array_shift($this->entries); #-- finish if buffered entry if (is_array($r) && !$all) { $row = $r; } #-- else refetch complete entry from database else { if (is_array($r)) { $r = $r["id"]; } $r = ewiki_database("GET", array("id"=>$r)); if (!$all) { foreach ($this->keys as $key) { $row[$key] = $r[$key]; } } else { $row = $r; } } unset($r); } else { return(NULL); // no more entries } #-- expand {meta} field if (is_array($row) && is_string(@$row["meta"])) { $row["meta"] = unserialize($row["meta"]); } #-- drop unwanted results if ($prot_hide && !ewiki_auth($row["id"], $row, $ewiki_action)) { $row = array(); } } while ($prot_hide && empty($row)); return($row); } function count() { return(count($this->entries)); } } /* MySQL database backend (default) Note: this is of course an abuse of the relational database scheme, but neccessary for real db independence and abstraction */ function ewiki_database_mysql($action, &$args, $sw1, $sw2) { #-- reconnect to the database (if multiple are used) ## mysql_ping($GLOBALS["db"]); #-- result array $r = array(); switch($action) { /* Returns database entry as array for the page whose name was given with the "id" key in the $args array, usually fetches the latest version of a page, unless a specific "version" was requested in the $args array. */ case "GET": $id = "'" . mysql_escape_string($args["id"]) . "'"; ($version = 0 + @$args["version"]) and ($version = "AND (version=$version)") or ($version=""); $result = mysql_query("SELECT * FROM " . EWIKI_DB_TABLE_NAME . " WHERE (pagename=$id) $version ORDER BY version DESC LIMIT 1" ); if ($result && ($r = mysql_fetch_array($result, MYSQL_ASSOC))) { $r["id"] = $r["pagename"]; unset($r["pagename"]); } if (strlen($r["meta"])) { $r["meta"] = @unserialize($r["meta"]); } break; /* Increases the hit counter for the page name given in $args array with "id" index key. */ case "HIT": mysql_query("UPDATE " . EWIKI_DB_TABLE_NAME . " SET hits=(hits+1) WHERE pagename='" . mysql_escape_string($args["id"]) . "'"); break; /* Stores the $data array into the database, while not overwriting existing entries (using WRITE); returns 0 on failure and 1 if saved correctly. */ case "OVERWRITE": // fall-through $COMMAND = "REPLACE"; case "WRITE": $args["pagename"] = $args["id"]; unset($args["id"]); if (is_array($args["meta"])) { $args["meta"] = serialize($args["meta"]); } $sql1 = $sql2 = ""; foreach ($args as $index => $value) { if (is_int($index)) { continue; } $a = ($sql1 ? ', ' : ''); $sql1 .= $a . $index; $sql2 .= $a . "'" . mysql_escape_string($value) . "'"; } strlen(@$COMMAND) || ($COMMAND = "INSERT"); $result = mysql_query("$COMMAND INTO " . EWIKI_DB_TABLE_NAME . " (" . $sql1 . ") VALUES (" . $sql2 . ")" ); return($result && mysql_affected_rows() ?1:0); break; /* Checks for existence of the WikiPages whose names are given in the $args array. Returns an array with the specified WikiPageNames associated with values of "0" or "1" (stating if the page exists in the database). For images/binary db entries returns the "meta" field instead of an "1". */ case "FIND": $sql = ""; foreach (array_values($args) as $id) if (strlen($id)) { $r[$id] = 0; $sql .= ($sql ? " OR " : "") . "(pagename='" . mysql_escape_string($id) . "')"; } $result = mysql_query($sql = "SELECT pagename AS id, meta FROM " . EWIKI_DB_TABLE_NAME . " WHERE $sql " ); while ($result && ($row = mysql_fetch_row($result))) { $r[$row[0]] = strpos($row[1], 's:5:"image"') ? $row[1] : 1; } break; /* Returns an array of __all__ pages, where each entry is made up of the fields from the database requested with the $args array, e.g. array("flags","meta","lastmodified"); */ case "GETALL": $result = mysql_query("SELECT pagename AS id, ". implode(", ", $args) . " FROM ". EWIKI_DB_TABLE_NAME . " GROUP BY id, version DESC" ); $r = new ewiki_dbquery_result($args); $drop = ""; while ($result && ($row = mysql_fetch_array($result, MYSQL_ASSOC))) { $i = EWIKI_CASE_INSENSITIVE ? strtolower($row["id"]) : $row["id"]; if ($i != $drop) { $drop = $i; $r->add($row); } } break; /* Returns array of database entries (also arrays), where the one specified column matches the specified content string, for example $args = array("content" => "text...piece") is not guaranteed to only search/return the latest version of a page */ case "SEARCH": $field = implode("", array_keys($args)); $content = strtolower(implode("", $args)); if ($field == "id") { $field = "pagename"; } $result = mysql_query("SELECT pagename AS id, version, flags" . (EWIKI_DBQUERY_BUFFER && ($field!="pagename") ? ", $field" : "") . " FROM " . EWIKI_DB_TABLE_NAME . " WHERE LOCATE('" . mysql_escape_string($content) . "', LCASE($field)) " . " GROUP BY id, version DESC" ); $r = new ewiki_dbquery_result(array("id","version",$field)); $drop = ""; while ($result && ($row = mysql_fetch_array($result, MYSQL_ASSOC))) { $i = EWIKI_CASE_INSENSITIVE ? strtolower($row["id"]) : $row["id"]; if ($i != $drop) { $drop = $i; $r->add($row); } } break; case "DELETE": $id = mysql_escape_string($args["id"]); $version = $args["version"]; mysql_query("DELETE FROM " . EWIKI_DB_TABLE_NAME ." WHERE pagename='$id' AND version=$version"); break; case "INIT": mysql_query("CREATE TABLE " . EWIKI_DB_TABLE_NAME ." (pagename VARCHAR(160) NOT NULL, version INTEGER UNSIGNED NOT NULL DEFAULT 0, flags INTEGER UNSIGNED DEFAULT 0, content MEDIUMTEXT, author VARCHAR(100) DEFAULT 'ewiki', userid INTEGER UNSIGNED DEFAULT 0, created INTEGER UNSIGNED DEFAULT ".time().", lastmodified INTEGER UNSIGNED DEFAULT 0, refs MEDIUMTEXT, meta MEDIUMTEXT, hits INTEGER UNSIGNED DEFAULT 0, PRIMARY KEY id (pagename, version) ) "); echo mysql_error(); break; default: } return($r); } ?>