function ewiki_action_image_append($id, $data, $action)
{
#-- invalid $id value
if (empty($data) || !$data["version"] || EWIKI_DB_F_TEXT != ($data["flags"] & EWIKI_DB_F_TYPE)) {
$o = ewiki_t("CANNOTCHANGEPAGE");
} elseif ($fa = $_FILES["imagefile"]) {
#-- guess HTTP meta data
$meta = array("X-Content-Type" => $fa["type"]);
if ($s = $fa["name"]) {
$meta["Content-Location"] = $s;
$p = 0 or $p = strrpos($s, "/") and $p++ or $p = strrpos($s, '\\') and $p++;
$meta["Content-Disposition"] = 'inline; filename="' . urlencode(substr($s, $p)) . '"';
}
#-- proceed an image (reject binary, resize if too large)
$result = ewiki_binary_save_image($fa["tmp_name"], "", "RETURN", $meta, 0, 1);
#-- database rejected file
if (!$result) {
$o = ewiki_t("BIN_NOIMG");
} else {
$loop = 3;
while ($loop--) {
$data = ewiki_db::GET($id);
$data["version"]++;
$data["content"] = rtrim($data["content"], "\n") . "\n\n" . "[\"AppendedPicture\"{$result}]\n\n\n";
$result = ewiki_db::WRITE($data);
if ($result) {
break;
}
}
if ($result) {
$o = ewiki_page("view/{$id}");
ewiki_log("image appended to '{$id}'");
} else {
$o .= ewiki_t("NO_IMAGEAPPEND");
}
}
} else {
$o .= ewiki_t("BIN_NOIMG");
#"You did not select an image, or something went really wrong during tansmission. Plase go back to the previous page.";
}
return $o;
}
function ewiki_binary($break = 0)
{
global $ewiki_plugins;
global $USER;
// MOODLE
$id = optional_param(EWIKI_UP_BINARY, '');
#-- reject calls
if (!strlen($id) || !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}")) {
$_REQUEST['id'] = $_POST['id'] = $_GET['id'] = "view/BinaryPermissionError";
return "view/BinaryPermissionError";
}
#-- upload an image
if ($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 ($id) {
echo <<<EOF
<html><head><title>File/Picture Upload</title><script type="text/javascript"><!--
opener.document.forms["ewiki"].elements["content"].value += "\\nUPLOADED PICTURE: [{$id}{$title}]\\n";
window.setTimeout("self.close()", 5000);
//--></script></head><body bgcolor="#440707" text="#FFFFFF">Your uploaded file was saved as<br /><big><b>
[{$id}]
</b></big>.<br /><br /><noscript>Please copy this ↑ into the text input box:<br />select/mark it with your mouse, press [Ctrl]+[Insert], go back<br />to the previous screen and paste it into the textbox by pressing<br />[Shift]+[Insert] inside there.</noscript></body></html>
EOF;
}
} 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 $data["content"];
} elseif ($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);
} 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 '{$id}', and marked it now in database as DISABLED", 2);
}
} else {
if (strpos($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_page_fileupload($id, $data, $action, $def_sec = "")
{
global $ewiki_upload_sections, $ewiki_plugins;
$o = ewiki_make_title($id, $id, 2);
$upload_file = $_FILES[EWIKI_UP_UPLOAD];
if (empty($upload_file)) {
$o .= ewiki_t("UPLOAD0");
$o .= '<div class="upload">' . '<form action="' . ewiki_script($action != "view" ? $action : "", $id) . '" method="POST" enctype="multipart/form-data">' . '<b>' . ewiki_t("file") . '</b><br /><input type="file" name="' . EWIKI_UP_UPLOAD . '"><br /><br />' . '<input type="submit" value="' . EWIKI_PAGE_UPLOAD . '"><br /><br />';
$o .= '<b>' . ewiki_t("comment") . '</b><br /><textarea name="comment" cols="35" rows="3"></textarea><br /><br />';
if (empty($ewiki_upload_sections[$def_sec])) {
$ewiki_upload_sections[$def_sec] = $def_sec;
}
if (count($ewiki_upload_sections) > 1) {
if (empty($def_sec)) {
$def_sec = $_REQUEST["section"];
}
$o .= '<b>' . ewiki_t("UPL_INSECT") . '</b><br /><select name="section">';
foreach ($ewiki_upload_sections as $id => $title) {
$o .= '<option value="' . $id . '"' . ($id == $def_sec ? ' selected' : '') . '>' . $title . '</option>';
}
$o .= '</select><br /><br />';
}
$o .= '<b>' . ewiki_t("UPL_NEWNAM") . '</b><br /><input type="text" name="new_filename" size="20"><br /><br />';
$o .= '</form></div>';
} elseif ($upload_file["size"] > EWIKI_UPLOAD_MAXSIZE) {
$o .= ewiki_t("UPL_TOOLARGE");
} else {
$meta = array("X-Content-Type" => $upload_file["type"], "Cache-control" => "private");
if (($s = $upload_file["name"]) && strlen($s) >= 3 || ($s = substr(md5(time() + microtime()), 0, 8) . ".dat")) {
if (strlen($uu = trim($_REQUEST["new_filename"])) >= 3) {
if ($uu != $s) {
$meta["Original-Filename"] = $s;
}
$s = $uu;
}
$meta["Content-Location"] = $s;
$p = 0 or $p = strrpos($s, "/") and $p++ or $p = strrpos($s, '\\') and $p++;
$meta["Content-Disposition"] = 'attachment; filename="' . urlencode(substr($s, $p)) . '"';
}
if (strlen($sect = $_REQUEST["section"])) {
if ($ewiki_upload_sections[$sect] || $action == EWIKI_ACTION_ATTACHMENTS && $data["content"] && strlen($ewiki_plugins["action"][EWIKI_ACTION_ATTACHMENTS])) {
$meta["section"] = $sect;
} else {
$o .= ewiki_t("UPL_REJSECT", array('sect' => $sect));
return $o;
}
}
if (strlen($s = trim($_REQUEST["comment"]))) {
$meta["comment"] = $s;
}
$result = ewiki_binary_save_image($upload_file["tmp_name"], "", "RETURN", $meta, "ACCEPT_ALL", $care_for_images = 0);
if ($result) {
$o .= ewiki_t("UPL_OK", array('$script' => ewiki_script(EWIKI_PAGE_DOWNLOAD)));
ewiki_log("file uploaded to section '{$sect}'");
} else {
$o .= ewiki_t("UPL_ERROR");
}
}
return $o;
}
