/trunk/MoodleWebRole/mod/wiki/ewiki/ewiki.php
PHP | 3600 lines | 2564 code | 527 blank | 509 comment | 523 complexity | 7e73657bc78899b591b8c21bed14a3cf MD5 | raw file
Possible License(s): LGPL-2.1, BSD-3-Clause, LGPL-2.0, GPL-2.0
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- <?php
- @define("EWIKI_VERSION", "R1.01d");
- /*
- ErfurtWiki - an embedable, fast and user-friendly wiki engine
- ---------
- This is Public Domain (no license, no warranty); but feel free
- to redistribute it under GPL or anything else you like.
- http://erfurtwiki.sourceforge.net/
- Mario Salzer <mario*erphesfurt·de> and many others(tm)
- Use it from inside yoursite.php like that:
- <html><body>...
- <?php
- include("ewiki.php");
- echo ewiki_page();
- ?>
- */
- #-- 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); # <h2>WikiPageName</h2> on top
- define("EWIKI_SPLIT_TITLE", 0); # <h2>Wiki Page Name</h2>
- 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" => '/
- (?<![~!])
- ((?:(?:\w+:)*['.EWIKI_CHARS_U.']+['.EWIKI_CHARS_L.']+){2,}[\w\d]*)
- |\^([-'.EWIKI_CHARS_L.EWIKI_CHARS_U.']{3,})
- |\[ (?:"[^\]\"]+" | \s+ | [^:\]#]+\|)* ([^\|\"\[\]\#]+) (?:\s+ | "[^\]\"]+")* [\]\#]
- |(\w{3,9}:\/\/[^?#\s\[\]\'\"\)\,<]+) /x',
- "wiki_link_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(
- "%%%" => "<br />",
- "\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"),
- #<out># ";" => array("dl", "dt", "dd"),
- ),
- "wm_style" => array(
- "'''''" => array("<b><i>", "</i></b>"),
- "'''" => array("<b>", "</b>"),
- "___" => array("<i><b>", "</b></i>"),
- "''" => array("<em>", "</em>"),
- "__" => array("<strong>", "</strong>"),
- "^^" => array("<sup>", "</sup>"),
- "==" => array("<tt>", "</tt>"),
- #<off># "***" => array("<b><i>", "</i></b>"),
- #<off># "###" => array("<big><b>", "</b></big>"),
- "**" => array("<b>", "</b>"),
- "##" => array("<big>", "</big>"),
- "µµ" => array("<small>", "</small>"),
- ),
- "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" => '<a href="javascript:ewiki_enlarge()" style="text-decoration:none">+</a><script type="text/javascript"><!--'."\n".'function ewiki_enlarge() {var ta=document.getElementById("ewiki_content");ta.style.width=((ta.cols*=1.1)*10).toString()+"px";ta.style.height=((ta.rows*=1.1)*30).toString()+"px";}'."\n".'//--></script>',
- ));
- #
- $ewiki_t["en"] = @array_merge(@$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" => "<a href=\"".EWIKI_SCRIPT."GoodStyle\">GoodStyle</a> is to
- write what comes to your mind. Don't care about how it
- looks too much now. You can add <a href=\"".EWIKI_SCRIPT."WikiMarkup\">WikiMarkup</a>
- also later if you think it is necessary.<br />",
- "EDIT_FORM_2" => "<br />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
- '<a href=\"http://google.com/search?q=my+computers+IP+address\">IP address</a>' 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" => "<a href=\"".EWIKI_SCRIPT."BuenEstilo\">BuenEstilo</a> es
- escribir lo que viene a su mente. No se preocupe mucho
- por la apariencia. También puede agregar <a href=\"".EWIKI_SCRIPT."ReglasDeMarcadoWiki\">ReglasDeMarcadoWiki</a>
- más adelante si piensa que es necesario.<br />",
- "EDIT_FORM_2" => "<br />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
- '<a href=\"http://google.com/search?q=my+computers+IP+address\">IP address</a>' 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.<br />
- 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" => "<a href=\"".EWIKI_SCRIPT."GuterStil\">GuterStil</a> 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 <a href=\"".EWIKI_SCRIPT."FormatierungsRegeln\">WikiTextFormatierungsRegeln</a>
- aufputschen.<br />",
- "EDIT_FORM_2" => "<br />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
- '<a href=\"http://google.de/search?q=computer+IP+adresse\">IP Adresse</a>'
- 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"], $id);
- #-- edit <form> for non-existent pages
- if (($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($data["content"]) & 0x7FFFBFFF) );
- }
- #-- encloses whole page output with a descriptive <div>
- function ewiki_page_css_container(&$o, &$id, &$data, &$action) {
- $o = "<div class=\"wiki $action "
- . strtr($id, ' ./ --_!"§$%&()=?²³{[]}`+#*;:,<>| @µöäüÖÄÜߤ^°«»\'\\',
- '- -----------------------------------------------')
- . "\">\n"
- . $o . "\n</div>\n";
- }
- function ewiki_split_title ($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 = '<a href="' . $href . '">' . ($title) . '</a>';
- }
- else {
- $o = $title;
- }
- return('<h2 class="page title">' . $o . '</h2>'."\n");
- }
- function ewiki_page_view($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);
- $o.= "<br /><br />";
- #-- control line + other per-page info stuff
- if ($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[] = '<a href="' . ewiki_script("", $id, $params) . '">' . s($title) . '</a> ' . $add_text;
- if (($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("<br />\n· ", $lines) . "<br />\n";
- }
- return($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 .= '<form action="' . ewiki_script("", $id) . '" method="post">';
- $o .= '<fieldset class="invisiblefieldset">';
- $o .= '<input name="q" size="30" /><br /><br />';
- $o .= '<input type="submit" value="'.$id.'" />';
- $o .= '</fieldset>';
- $o .= '</form>';
- }
- 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 .= '<table class="version-info" cellpadding="2" cellspacing="1">' . "\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 .= ' ';
- }
- $commands .= '<a href="' .
- ewiki_script($thisaction, $id, array("version"=>$current["version"])) .
- '">' . get_string($title,"wiki") . '</a>';
- ##### END MOODLE ADDITION #####
- }
- #-- print page database entry
- foreach($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") . "<br />\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 = '<a href="' .
- ewiki_script("", $id, array("version"=>$value)) . '">' .
- $value . '</a> '."($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 = $picture." <a href=\"$CFG->wwwroot/user/view.php?id=$user->id&course=$course->id\">".fullname($user)."</a>";
- } else {
- continue;
- //$value = @$current['author'];
- }
- }
- ##### BEGIN MOODLE ADDITION #####
- $o .= '<tr class="page-'.$i.'"><td style="vertical-align:top;text-align:right;white-space: nowrap;"><b>' .ewiki_t($i). ':</b></td>' .
- '<td>' . $value . "</td></tr>\n";
- ##### END MOODLE ADDITION #####
- }
- $o .= "</table><br /><br />\n";
- }
- #-- page result split
- if ($v >= 1) {
- $o .= "<br />\n".get_string('showversions','wiki').' '.ewiki_chunked_page($action, $id, -1, $v, 1, 0, 0) . "\n <br />";
- }
- return($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?" · ":"")
- . '<a href="'.ewiki_script($action, $id, array(EWIKI_UP_PAGENUM=>$n, EWIKI_UP_PAGEEND=>$e))
- . '">'. "$n-$e" . '</a>';
- if (($n=$e-1) < $end) {
- $n = false;
- }
- }
- return('<span class="chunked-result">'. $o .'</span>');
- }
- function ewiki_page_edit($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];
- …
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