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index.php
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index.php
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<?php
define('W2APP', true);
/*
* W2
*
* Copyright (C) 2007-2011 Steven Frank <http://stevenf.com/>
*
* Code may be re-used as long as the above copyright notice is retained.
* See README.txt for full details.
*
* Written with Coda: <http://panic.com/coda/>
*
*/
// Install PSR-4-compatible class autoloader
spl_autoload_register(function($class){
require str_replace('\\', DIRECTORY_SEPARATOR, ltrim($class, '\\')).'.php';
});
// Get Markdown class
use Michelf\MarkdownExtra;
// User configurable options:
require_once "config.php";
// Load configured localization:
require_once 'locales/' . W2_LOCALE . '.php';
const ImageExtensions = array("bmp", "gif", "heic", "heif","jpg", "jpeg", "png", "svg", "webp");
/**
* Get translated word
*
* String $label Key for locale word
* String $alt_word Alternative word
* return String
*/
function __( $label, $alt_word = null )
{
global $w2_word_set;
if( empty($w2_word_set[$label]) )
{
return is_null($alt_word) ? $label : $alt_word;
}
return htmlspecialchars($w2_word_set[$label], ENT_QUOTES);
}
if ( REQUIRE_PASSWORD )
{
ini_set('session.gc_maxlifetime', W2_SESSION_LIFETIME);
session_set_cookie_params(W2_SESSION_LIFETIME);
}
session_name(W2_SESSION_NAME);
session_start();
if ( count($allowedIPs) > 0 )
{
$ip = $_SERVER['REMOTE_ADDR'];
$accepted = false;
foreach ( $allowedIPs as $allowed )
{
if ( strncmp($allowed, $ip, strlen($allowed)) == 0 )
{
$accepted = true;
break;
}
}
if ( !$accepted )
{
print "<html><body>Access from IP address $ip is not allowed</body></html>";
exit;
}
}
function printHeader($title, $action, $bodyclass="")
{
print "<!doctype html>\n";
print "<html lang=\"" . W2_LOCALE . "\">\n";
print " <head>\n";
print " <meta charset=\"" . W2_CHARSET . "\">\n";
print " <link rel=\"apple-touch-icon\" href=\"/icons/w2-icon.png\"/>\n";
print " <link rel=\"icon\" href=\"/icons/w2-icon.png\"/>\n";
print " <meta name=\"viewport\" content=\"width=device-width, initial-scale=1\" />\n";
print " <link type=\"text/css\" rel=\"stylesheet\" href=\"" . BASE_URI . "/" . CSS_FILE ."\" />\n";
print " <title>".PAGE_TITLE."$title</title>\n";
if ($action === 'edit')
{
print " <script src=\"wiki.js\"></script>\n";
}
print " </head>\n";
print " <body".($bodyclass != "" ? " class=\"$bodyclass\"":"").">\n";
}
function printFooter()
{
print " </body>\n";
print "</html>";
}
function printDrawer()
{
print " <div id=\"drawer\" class=\"inactive\">\n".
" <a href=\"\" onclick=\"toggleDrawer(); return false;\"><img src=\"/icons/close.svg\" alt=\"".__('Close')."\" title=\"".__('Close')."\" class=\"icon rightaligned\"/></a>\n".
" <h5>".__('Markdown Syntax Helper')."</h5>\n".
" <div>\n".
"# ".__('Header')." 1<br/>".
"## ".__('Header')." 2<br/>".
"### ".__('Header')." 3<br/>".
"#### ".__('Header')." 4<br/>".
"##### ".__('Header')." 5<br/>".
"###### ".__('Header')." 6<br/>".
"<br/>".
"*".__('Emphasize')."* - <em>".__('Emphasize')."</em><br/>".
"_".__('Emphasize')."* - <em>".__('Emphasize')."</em><br/>".
"**".__('Bold')."** - <strong>".__('Bold')."</strong><br/>".
"__".__('Bold')."__ - <strong>".__('Bold')."</strong><br/>".
"<br/>".
"[[Link to page]]<br/>".
"<http://example.com/><br/>".
"[link text](http://url)<br/><br/>".
"{{image.jpg}}<br/>".
"<br/>".
"![Alt text](/images/image.jpg \"Optional title\")<br/>".
"<br/>".
"- Unordered list<br/>".
"+ Unordered list<br/>".
"* Unordered list<br/>".
"1. Ordered list<br/>".
"<br/>".
"> Blockquote<br/>".// <blockquote>Blockquotes</blockquote>\n".
"```Code```<br/>". //<pre>Code</pre>\n\n".
"`inline-code`<br/><br/>".
"*** Horizontal rule<br/>".
"--- Horizontal rule<br/>\n".
" </div>\n".
" </div>\n".
" <a id=\"drawer-control\" href=\"\" onclick=\"toggleDrawer(); return false;\">\n".
" <span class=\"icongroup\">\n".
" <img src=\"/icons/format-text-bold.svg\" alt=\"".__('Formatting help')."\" title=\"".__('Formatting help')."\" class=\"icon\"/>\n".
" <img src=\"/icons/format-text-italic.svg\" alt=\"".__('Formatting help')."\" title=\"".__('Formatting help')."\" class=\"icon\"/>\n".
" <img src=\"/icons/format-text-code.svg\" alt=\"".__('Formatting help')."\" title=\"".__('Formatting help')."\" class=\"icon\"/>\n".
" </span>\n".
" </a>\n";
}
if ( REQUIRE_PASSWORD && !isset($_SESSION['password']) )
{
if ( !defined('W2_PASSWORD_HASH') || W2_PASSWORD_HASH == '' )
define('W2_PASSWORD_HASH', sha1(W2_PASSWORD));
if ( (isset($_POST['p'])) && (sha1($_POST['p']) == W2_PASSWORD_HASH) )
$_SESSION['password'] = W2_PASSWORD_HASH;
else
{
printHeader( __('Log In'), '', "login");
print " <h1>" . __('Log In') . "</h1>\n";
print " <form method=\"post\">\n";
print " ".__('Password') . ": <input type=\"password\" name=\"p\">\n";
print " <input type=\"submit\" value=\"" . __('Log In') . "\">\n";
print " </form>\n";
printFooter();
exit;
}
}
// Support functions
function descLengthSort($val_1, $val_2)
{
$firstVal = strlen($val_1);
$secondVal = strlen($val_2);
return ( $firstVal > $secondVal ) ?
-1 : ( ( $firstVal < $secondVal ) ? 1 : 0);
}
function getAllPageNames($path = "")
{
$filenames = array();
$dir = opendir(PAGES_PATH . "/$path" );
while ( $filename = readdir($dir) )
{
if ( $filename === "." || $filename === ".." )
{
continue;
}
if ( is_dir( PAGES_PATH . "/$path/$filename" ) )
{
array_push($filenames, ...getAllPageNames( "$path/$filename" ) );
continue;
}
if ( preg_match("/".PAGES_EXT."$/", $filename) != 1)
{
continue;
}
$filename = substr($filename, 0, -(strlen(PAGES_EXT)+1) );
$filenames[] = substr("$path/$filename", 1);
}
closedir($dir);
return $filenames;
}
function fileNameForPage($page)
{
return PAGES_PATH . "/$page." . PAGES_EXT;
}
function imageLinkText($imgName)
{
return "![".__("Image Description")."](".BASE_URI."/".UPLOAD_FOLDER."/$imgName)";
}
function sanitizeFilename($inFileName)
{
return str_replace(array('~', '..', '\\', ':', '|', '&'), '-', $inFileName);
}
function pageURL($page)
{
return SELF . VIEW . "/".str_replace("%2F", "/", str_replace("%23", "#", urlencode(sanitizeFilename($page))));
}
function pageLink($page, $title, $attributes="")
{
return "<a href=\"" . pageURL($page) ."\"$attributes>$title</a>";
}
function redirectWithMessage($page, $msg)
{
$_SESSION["msg"] = $msg;
header("HTTP/1.1 303 See Other");
header("Location: " . pageURL($page) );
exit;
}
function checkedExecute(&$msg, $cmd)
{
$returnValue = 0;
$output = '';
exec($cmd, $output, $returnValue);
if ($returnValue != 0)
{
$msg .= "<br/>Error executing command ".$cmd." (return value: ".$returnValue."): ".implode(" ", $output);
}
return ($returnValue == 0);
}
function gitChangeHandler($commitmsg, &$msg)
{
if (!GIT_COMMIT_ENABLED)
{
return;
}
if (checkedExecute($msg, "cd ".PAGES_PATH." && git add -A && git commit -m ".escapeshellarg($commitmsg)))
{
if (!GIT_PUSH_ENABLED)
{
return;
}
checkedExecute($msg, "cd ".PAGES_PATH." && git push");
}
}
function toHTMLID($noid)
{ // in HTML5, only spaces aren't allowed
return str_replace(" ", "-", strip_tags($noid));
}
function toHTML($inText)
{
$parser = new MarkdownExtra;
$parser->no_markup = true;
$outHTML = $parser->transform($inText);
if ( AUTOLINK_PAGE_TITLES )
{
$pagenames = getAllPageNames();
uasort($pagenames, "descLengthSort");
foreach ( $pagenames as $pageName )
{
// match pageName, but only if it isn't inside another word or inside braces (as in "[$pageName]").
$outHTML = preg_replace("/(?<![\[a-zA-Z])$pageName(?![\]a-zA-Z])/i", "[[$pageName]]", $outHTML);
}
}
preg_match_all(
"/\[\[(.*?)\]\]/",
$outHTML,
$matches,
PREG_PATTERN_ORDER
);
for ($i = 0; $i < count($matches[0]); $i++)
{
$fullLinkText = $matches[1][$i];
$linkTitleSplit = explode('|', $fullLinkText);
$linkedPage = $linkTitleSplit[0]; // split away potential link text
$linkText = (count($linkTitleSplit) > 1) ? $linkTitleSplit[1] : $linkedPage;
$pagePart = explode('#', $linkedPage)[0]; // split away a potential anchor part
$linkedFilename = fileNameForPage(sanitizeFilename($pagePart));
$exists = file_exists($linkedFilename);
$outHTML = str_replace("[[$fullLinkText]]",
pageLink($linkedPage, $linkText, ($exists? "" : " class=\"noexist\"")), $outHTML);
}
$outHTML = preg_replace("/\{\{(.*?)\}\}/", "<img src=\"" . BASE_URI . "/images/\\1\" alt=\"\\1\" />", $outHTML);
// add an anchor in all title tags (h1/2/3/4):
preg_match_all(
"/<h([1-4])>(.*?)<\/h\\1>/",
$outHTML,
$matches,
PREG_PATTERN_ORDER
);
for ($i = 0; $i < count($matches[0]); $i++)
{
$prefix = "<h".$matches[1][$i].">";
$caption = $matches[2][$i];
$suffix = substr_replace($prefix, "/", 1, 0);
$outHTML = str_replace("$prefix$caption$suffix",
"$prefix<a id=\"".toHTMLID($caption)."\">$caption</a>$suffix", $outHTML);
}
return $outHTML;
}
function destroy_session()
{
if ( isset($_COOKIE[session_name()]) )
{
setcookie(session_name(), '', time() - 42000, '/');
}
session_destroy();
unset($_SESSION["password"]);
unset($_SESSION);
}
function getPageActions($page, $action, $imgSuffix)
{
$pageActions = array('edit', 'delete', 'rename');
$pageActionNames = array(__('Edit'), __('Delete'), __('Rename'));
$result = '';
for ($i = 0; $i < count($pageActions); $i++ )
{
if ($action != $pageActions[$i])
{
$result .= " <a href=\"".SELF."?action=".$pageActions[$i].
"&page=".urlencode($page)."\"><img src=\"/icons/".$pageActions[$i].$imgSuffix.".svg\" alt=\"".$pageActionNames[$i]."\" title=\"".$pageActionNames[$i]."\" class=\"icon\"></a>\n";
}
}
$result .= " <a href=\"" . SELF . "?action=view&page=".urlencode($page)."&linkshere=true\"><img src=\"/icons/link".$imgSuffix.".svg\" alt=\"".__('Show links here')."\" title=\"".__('Show links here')."\" class=\"icon\"/></a>\n";
return $result;
}
// Main code
$action = isset($_REQUEST['action']) ? $_REQUEST['action'] : 'view';
$newPage = "";
$text = "";
$html = "";
if ($action === 'view' || $action === 'edit' || $action === 'save' || $action === 'rename' || $action === 'delete')
{
// Look for page name following the script name in the URL, like this:
// http://stevenf.com/w2demo/index.php/Markdown%20Syntax
//
// Otherwise, get page name from 'page' request variable.
$path_info = isset($_SERVER["PATH_INFO"]) ? $_SERVER["PATH_INFO"]: '';
$request_page = isset($_REQUEST['page']) ? $_REQUEST['page'] : '';
$page = preg_match('@^/@', $path_info) ? substr($path_info, 1) : $request_page;
$page = sanitizeFilename(urldecode($page));
if ( $page == "" )
{
$page = DEFAULT_PAGE;
}
$filename = fileNameForPage($page);
}
if ($action === 'view' || $action === 'edit')
{
if ( file_exists($filename) )
{
$text = file_get_contents($filename);
}
else
{
$newPage = $page;
$action = 'new';
}
}
$oldgitmsg = "";
$triedSave = false;
if ( $action == 'save' )
{
$msg = '';
$newText = $_REQUEST['newText'];
$isNew = $_REQUEST['isNew'];
if ($isNew)
{
$page = str_replace(array('|','#'), '', $page);
$filename = fileNameForPage($page);
}
if ($isNew && file_exists($filename))
{
$msg .= "Error creating page '$page' - it already exists! Please choose a different name, or <a href=\"?action=edit&page=".urlencode($page)."\">edit</a> the existing page (this discards current text!)!</div>\n";
$action = 'new';
$text = $newText;
$newPage = $page;
if (GIT_COMMIT_ENABLED)
{
$oldgitmsg = $_REQUEST['gitmsg'];
}
$triedSave = true;
}
else
{
if ( !file_exists( dirname($filename) ) )
{
mkdir(dirname($filename), 0755, true);
}
$success = file_put_contents($filename, $newText);
if ( $success === FALSE)
{
$msg .= "Error saving changes! Make sure your web server has write access to " . PAGES_PATH . "\n";
$action = ($isNew ? 'new' : 'edit');
$text = $newText;
$newPage = $page;
if (GIT_COMMIT_ENABLED)
{
$oldgitmsg = $_REQUEST['gitmsg'];
}
$triedSave = true;
}
else
{
$msg .= ($isNew ? __('Created'): __('Saved'));
$usermsg = $_REQUEST['gitmsg'];
$commitmsg = $page . ($usermsg !== '' ? (": ".$usermsg) : ($isNew ? " created" : " changed"));
gitChangeHandler($commitmsg, $msg);
}
}
redirectWithMessage($page, $msg);
}
if ( $action === 'edit' || $action === 'new' )
{
$formAction = SELF . (($action === 'edit') ? "/$page" : "");
$html .= "<form id=\"edit\" method=\"post\" action=\"$formAction\">\n";
if ( $action === 'edit' )
{
$html .= "<input type=\"hidden\" name=\"page\" value=\"$page\" />\n";
}
else
{
if ($newPage != "" && !$triedSave)
{
$html .= "<div class=\"note\">". __('Creating new page since no page with given title exists!') ;
// check if similar page exists...
$pageNames = getAllPageNames();
foreach($pageNames as $pageName)
{
if (levenshtein(strtoupper($newPage), strtoupper($pageName)) < sqrt(min(strlen($newPage), strlen($pageName))) )
{
$html .= "<br/><strong>Note:</strong> Found similar page ".pageLink($pageName, $pageName).". Maybe you meant to edit this instead?";
}
}
$html .= "</div>\n";
}
$html .= "<p>" . __('Title') . ": <input id=\"title\" title=\"".__("Character restrictions: '#' and '|' have a special meaning in page links, they will therefore be removed; also, characters '~', '..', '\\', ':', '|', '&' might cause trouble in filenames and are therefore replaced by '-'.")."\" type=\"text\" name=\"page\" value=\"$newPage\" class=\"pagename\" placeholder=\"".__('Name of new page (restrictions in tip)')."\"/></p>\n";
}
$html .= "<p><textarea id=\"text\" name=\"newText\" rows=\"" . EDIT_ROWS . "\" autocomplete=\"off\" autocorrect=\"off\" autocapitalize=\"off\" spellcheck=\"false\">$text</textarea></p>\n";
if (GIT_COMMIT_ENABLED)
{
$html .= "<p>Message: <input type=\"text\" id=\"gitmsg\" name=\"gitmsg\" value=\"$oldgitmsg\" /></p>\n";
}
$html .= "<p><input type=\"hidden\" name=\"action\" value=\"save\" />\n";
$html .= "<input type=\"hidden\" name=\"isNew\" value=\"".(($action==='new')?"true":"")."\" />\n";
$html .= '<input id="save" type="submit" value="'. __('Save') .'" />'."\n";
$html .= '<input id="cancel" type="button" onclick="history.go(-1);" value="'. __('Cancel') .'" />'."\n";
$html .= "</p></form>\n";
}
else if ( $action === 'logout' )
{
destroy_session();
header("Location: " . SELF);
exit;
}
else if ( $action === 'upload' )
{
$prevpage = isset($_REQUEST['page']) ? urldecode(@$_REQUEST['page']) : DEFAULT_PAGE;
if ( DISABLE_UPLOADS )
{
$html .= '<p>' . __('Image uploading has been disabled on this installation.') . '</p>';
}
else
{
$html .= '<form id="upload" method="post" action="' . SELF . '" enctype="multipart/form-data"><p>'."\n".
'<input type="hidden" name="action" value="uploaded" />'.
'<input type="hidden" name="prevpage" value="'.$prevpage.'" />'.
'<input id="file" type="file" name="userfile" />'."\n".
'<input id="resize" type="checkbox" checked="checked" name="resize" value="true">'.
'<label for="resize">'.__('Shrink if larger than ').'</label>'.
'<input id="maxsize" type="number" name="maxsize" min="20" max="8192" value="1200">'."\n".
'<label for="maxsize" id="maxsizelabel">'.__('Pixels').'</label>'.
'<input id="upload" type="submit" value="' . __('Upload') . '" />'.
"\n</p></form>\n";
$html .= '<script type="application/javascript">'."\n".
'function processForm(e) {'."\n".
' e.preventDefault();'."\n".
' var fileInput = document.getElementById("file");'."\n".
' if (fileInput.files.length == 0) { alert("No file selected!"); return; }'."\n".
' var filename = fileInput.files[0].name;'."\n".
' fetch("/api.php?task=checkupload&filename="+filename)'."\n".
' .then((response) => {'."\n".
' response.json().then((data) => {'."\n".
' upload = true;'."\n".
' if (data) {'."\n".
' upload = window.confirm("File "+filename+" already exists. Overwrite?");'."\n".
' }'."\n".
' if (upload) {'."\n".
' var myform = document.getElementById("upload");'."\n".
' myform.submit();'."\n".
' }'."\n".
' });'."\n".
' })'."\n".
' .catch((err) => { console.log(err); });'."\n".
'}'."\n".
'window.addEventListener("load", function(event) {'."\n".
' var form = document.getElementById("upload");'."\n".
' form.addEventListener("submit", processForm);'."\n".
'});'."\n".
'</script>';
}
// list files in UPLOAD_FOLDER
$path = PAGES_PATH . "/". UPLOAD_FOLDER . "/*";
$imgNames = array_filter(glob($path), 'is_file');
natcasesort($imgNames);
$html .= "<p>".__('Total').": ".count($imgNames)." ".__('images')."</p>";
$imgPages = array();
if (SHOW_PAGES_WHERE_FILE_USED)
$pagenames = getAllPageNames();
foreach($pagenames as $searchPage)
{
$text = file_get_contents(fileNameForPage($searchPage));
foreach ($imgNames as $imgName)
{
$baseImgName = basename($imgName);
if ( preg_match("@\(/images/".preg_quote($baseImgName)."@i", $text) )
{
if (array_key_exists($imgName, $imgPages))
{
array_push($imgPages[$imgName], $searchPage);
}
else
{
$imgPages[$imgName] = array( $searchPage );
}
}
}
}
$html .= "<table><thead>";
$html .= "<tr>".
/*
"<td>".(($sortBy!='name')?("<a href=\"".SELF."?action=all&sortBy=name\">Name</a>"):"<span class=\"sortBy\">Name</span>")."</td>".
"<td>".(($sortBy!='recent')?("<a href=\"".SELF."?action=all&sortBy=recent\">Modified</a>"):"<span class=\"sortBy\">Modified</span>")."</td>".
*/ "<th>".__("Name")."</th><th>".__("Usage")."</th><th>".__("Modified")."</th><th>".__("Action")."</th>";
if (SHOW_PAGES_WHERE_FILE_USED)
{
$html .= "<th>".__("Used on page")."</th>";
}
$html .= "</tr></thead><tbody>";
$date_format = __('date_format', TITLE_DATE);
foreach ($imgNames as $imgName)
{
$baseImgName = basename($imgName);
$isImg = false;
foreach(ImageExtensions as $ext)
{
if (str_ends_with($baseImgName, $ext))
{
$isImg = true;
}
}
$html .= "<tr>".
"<td>".($isImg?"<img class=\"thumbImg\" src=\"".BASE_URI."/".UPLOAD_FOLDER."/".$baseImgName."\" />":"<span class=\"thumbPlaceHolder\"></span>")."<span class=\"uploadFileName\">".$baseImgName."</span></td>".
"<td><pre>".imageLinkText($baseImgName)."</pre></td>".
"<td><nobr>".date($date_format, filemtime($imgName))."</nobr></td>".
"<td>".
"<a href=\"".SELF."?action=imgRename&prevpage=".urlencode($prevpage)."&imgName=".urlencode($baseImgName)."\"><img src=\"/icons/rename-dark.svg\" alt=\"".__('Rename')."\" title=\"".__('Rename')."\" class=\"icon\"/></a>".
"<a href=\"".SELF."?action=imgDelete&prevpage=".urlencode($prevpage)."&imgName=".urlencode($baseImgName)."\"><img src=\"/icons/delete.svg\" alt=\"".__('Delete')."\" title=\"".__('Delete')."\" class=\"icon\"/></a></td>";
if (SHOW_PAGES_WHERE_FILE_USED)
{
$html .= "<td>";
if (array_key_exists($imgName, $imgPages))
{
foreach($imgPages[$imgName] as $page)
{
$html .= pageLink($page, $page);
}
}
$html .= "</td>";
}
$html .= "</tr>\n";
}
$html .= "</tbody></table>\n";
}
else if ( $action === 'uploaded' )
{
if ( DISABLE_UPLOADS )
{
die('Invalid access. Uploads are disabled in the configuration.');
}
$tmpName = $_FILES['userfile']['tmp_name'];
$dstName = sanitizeFilename($_FILES['userfile']['name']);
$dstName = str_replace(" ", "_", $dstName); // image display currently doesn't like spaces!
// $fileType = $_FILES['userfile']['type']; // as noted in https://www.php.net/manual/en/reserved.variables.files.php, the type specified here is client-specified and thus shouldn't be trusted
$fileType = mime_content_type($tmpName);
preg_match('/\.([^.]+)$/', $dstName, $matches);
$fileExt = isset($matches[1]) ? strtolower($matches[1]) : null;
$msg = '';
if (in_array($fileType, explode(',', VALID_UPLOAD_TYPES)) &&
in_array($fileExt, explode(',', VALID_UPLOAD_EXTS)))
{
$path = PAGES_PATH . "/". UPLOAD_FOLDER . "/$dstName";
$doResize = isset($_POST['resize']) && $_POST['resize'] === 'true';
$doConvert = in_array($fileExt, explode(',', IMAGE_EXTS_TO_CONVERT));
$doProcess = in_array($fileExt, ImageExtensions) && ($doConvert || $doResize);
$pathNoExt = substr($path, 0, strlen($path)-strlen($fileExt)-1);
if ($doProcess)
{
$finalPath = $doConvert ? ($pathNoExt.".".CONVERT_FORMAT) : $path;
$path = $pathNoExt . "-tmp-process." . $fileExt;
}
if ( move_uploaded_file($tmpName, $path) === true )
{
$commitMsg = "File '$dstName' uploaded!";
$msg .= $commitMsg." ";
if ($doProcess)
{
$img = new Imagick($path);
if ($doResize)
{
$size = array($img->getImageWidth(), $img->getImageHeight());
$maxsize = intval($_POST['maxsize']);
$doResize = ($size[0] > $maxsize || $size[1] > $maxsize);
}
if ($doResize)
{
$newSize = array(0, 0);
$idx0 = ($size[0] > $size[1]) ? 0 : 1;
$idx1 = ($idx0 == 0) ? 1 : 0;
$newSize[$idx0] = $maxsize;
$newSize[$idx1] = (int)round($size[$idx1] * $maxsize / $size[$idx0]);
if (!$img->resizeImage($newSize[0], $newSize[1], imagick::FILTER_LANCZOS, 1))
{
$msg .= "Original size was $size[0]x$size[1], resized to $newSize[0]x$newSize[1]. ";
}
else
{
$msg .= "Resizing file failed! ";
}
}
$ori = $img->getImageOrientation();
error_log("orientation: $ori");
if($ori)
{
switch($ori)
{
case imagick::ORIENTATION_RIGHTTOP:
$msg .= "Image rotated by +90°. ";
$img->rotateImage('#000',90);
break;
case imagick::ORIENTATION_BOTTOMRIGHT:
$msg .= "Image rotated by 180°. ";
$img->rotateImage('#000',180);
break;
case imagick:: ORIENTATION_LEFTBOTTOM:
$msg .= "Image rotated by -90°. ";
$img->rotateImage('#000',-90);
break;
// default:
// $msg .= "Unknown EXIF orientation specification: ".$ori.". ";
// break;
}
$img->setImageOrientation(imagick::ORIENTATION_TOPLEFT);
}
if ($doConvert)
{
$dstName = substr($dstName, 0, strlen($dstName)-strlen($fileExt)).CONVERT_FORMAT;
$img->setImageFormat(CONVERT_FORMAT);
$msg .= "Converted to format ".CONVERT_FORMAT.". ";
}
$img->writeImage($finalPath);
unlink($path);
$img->clear();
}
gitChangeHandler($commitMsg, $msg);
$msg .= "Use <pre>".imageLinkText($dstName)."</pre> to refer to it!";
}
else
{
$error_code = $_FILES['userfile']['error'];
if ( $error_code === 0 )
{
// Likely a permissions issue
$msg .= __('Upload error') .": Can't write to ".$path."<br/><br/>\n".
"Check that your permissions are set correctly.";
}
else
{
// Give generic error message
$msg .= __('Upload error').", error #".$error_code."<br/><br/>\n".
"Please see <a href=\"https://www.php.net/manual/en/features.file-upload.errors.php\">here</a> for more information.<br/><br/>\n".
"If you see this message, please <a href=\"https://github.com/codeling/w2wiki/issues\">file a bug to improve w2wiki</a>";
}
}
}
else
{
$msg .= __('Upload error: invalid file type');
error_log("Upload error: file name = $dstName, invalid file type $fileType");
}
$prevpage = isset($_REQUEST['prevpage']) ? $_REQUEST['prevpage'] : DEFAULT_PAGE;
redirectWithMessage($prevpage, $msg);
}
else if ( $action === 'rename' || $action === 'delete' || $action === 'imgDelete' || $action === 'imgRename')
{
if ($action === 'imgDelete' || $action === 'imgRename' )
{
$page = sanitizeFilename(urldecode($_REQUEST['imgName']));
}
$actionName = ($action === 'delete' || $action === 'imgDelete')?__('Delete'):__('Rename');
$html .= "<form id=\"$action\" method=\"post\" action=\"" . SELF . "\">";
$html .= "<p>".$actionName." $page ".
(($action==='rename' || $action==='imgRename')
? (__('to')." <input id=\"newName\" type=\"text\" name=\"newName\" value=\"" . htmlspecialchars($page) . "\" class=\"pagename\" />")
: "?")
. "</p>";
$html .= "<p><input id=\"$action\" type=\"submit\" value=\"$actionName\">";
$html .= "<input id=\"cancel\" type=\"button\" onclick=\"history.go(-1);\" value=\"Cancel\" />\n";
$html .= "<input type=\"hidden\" name=\"action\" value=\"${action}d\" />";
$html .= "<input type=\"hidden\" name=\"oldPageName\" value=\"" . htmlspecialchars($page) . "\" />";
if ($action === 'imgDelete' || $action === 'imgRename')
{
$prevpage = isset($_REQUEST['prevpage']) ? urldecode(@$_REQUEST['prevpage']) : DEFAULT_PAGE;
$html .= '<input type="hidden" name="prevpage" value="'.$prevpage.'" />';
}
$html .= "</p></form>";
}
else if ( $action === 'renamed' || $action === 'deleted')
{
// TODO: prevent relative filenames from being injected
$oldPageName = sanitizeFilename($_POST['oldPageName']);
$newPageName = ($action === 'deleted') ? "": sanitizeFilename($_POST['newName']);
$msg = '';
if ($action === 'deleted')
{
$success = unlink(fileNameForPage($oldPageName));
}
else
{
$folderName = dirname(fileNameForPage($newPageName));
if ( !file_exists($folderName) )
{
mkdir($folderName, 0755, true);
}
$success = rename(fileNameForPage($oldPageName), fileNameForPage($newPageName));
}
if ($success)
{
$message = ($action === 'deleted')
? (__('Removed')." ".$oldPageName)
: (__('Renamed')." ".$oldPageName." ".__('to')." ".$newPageName);
$msg .= $message;
// Change links in all pages to point to new page
$pagenames = getAllPageNames();
$changedPages = array();
foreach ($pagenames as $replacePage)
{
$content = file_get_contents(fileNameForPage($replacePage));
$count = 0;
$regexSaveOldPageName = str_replace("/", "\\/", $oldPageName);
$newContent = preg_replace("/\[\[$regexSaveOldPageName([|#].*\]\]|\]\])/",
(($action === 'deleted') ? "" : "[[$newPageName\\1"),
$content, -1, $count);
if ($count > 0) // if something changed
{
$changedPages[] = $replacePage." ($count ".__('matches').")";
file_put_contents(fileNameForPage($replacePage), $newContent);
}
}
if (count($changedPages) > 0)
{
$msg .= "<br/>\n".__('Updated links in the following pages:')."\n<ul><li>";
$msg .= implode("</li><li>", $changedPages);
$msg .= "</li></ul>";
}
gitChangeHandler($message, $msg);
$page = $newPageName;
}
else
{
$msg .= ($action === 'deleted')
? (__('Error deleting file')." ".$oldPageName)
: (__('Error renaming file')." ".$oldPageName." ".__('to')." ".$newPageName);
$page = $oldPageName;
}
if ($action === 'deleted' && $success)
{
$page = DEFAULT_PAGE;
}
redirectWithMessage($page, $msg);
}
else if ( $action === 'imgDeleted' || $action === 'imgRenamed' )
{
// TODO: prevent relative filenames from being injected
$oldImgName = sanitizeFilename($_REQUEST['oldPageName']);
$imgPath = PAGES_PATH . "/". UPLOAD_FOLDER . "/";
$oldImgPath = $imgPath . $oldImgName;
$newImgName = ($action === 'imgDeleted') ? "": sanitizeFilename($_POST['newName']);
if ($action == 'imgDeleted')
{
$success = unlink($oldImgPath);
}
else
{
$success = rename($oldImgPath, $imgPath.$newImgName);
}
if ($success)
{
$msg = ($action === 'imgDeleted')
? (__('Image deleted').": ".$oldImgPath)
: (__('Image renamed').": ".$oldImgName." ".__('to')." ".$newImgName);
// Change references to image in all pages:
$pagenames = getAllPageNames();
$changedPages = array();
foreach ($pagenames as $replacePage)
{
$content = file_get_contents(fileNameForPage($replacePage));
$count = 0;
$newContent = preg_replace("/!\[(.*?)\]\(\/images\/$oldImgName\)/", // escape / because it is used as delimiter
(($action === 'imgDeleted') ? "" : ""),
$content, -1, $count);
if ($count > 0) // if something changed
{
$changedPages[] = $replacePage." ($count ".__('matches').")";
file_put_contents(fileNameForPage($replacePage), $newContent);
}
}
if (count($changedPages) > 0)
{
$msg .= "<br/>\n".__('Updated images in the following pages:')."\n<ul><li>";
$msg .= implode("</li><li>", $changedPages);
$msg .= "</li></ul>";
}
gitChangeHandler($msg, $msg);
}
else
{
$msg = ($action === 'imgDeleted')
? (__('Error deleting image: ')." (".$oldImgName.")")
: (__('Error renaming image: ').$oldImgName." ".__('to')." ".$newImgName);
}
$prevpage = isset($_REQUEST['prevpage']) ? $_REQUEST['prevpage'] : DEFAULT_PAGE;
redirectWithMessage($prevpage, $msg);
}
else if ( $action === 'all' )
{
$pageNames = getAllPageNames();
$filelist = array();
$sortBy = isset($_REQUEST['sortBy']) ? $_REQUEST['sortBy'] : 'name';
if (!in_array($sortBy, array('name', 'recent')))
{
$sortBy = 'name';
}
if ($sortBy === 'name')
{
natcasesort($pageNames);
foreach($pageNames as $page)
{
$filelist[$page] = filemtime(fileNameForPage($page));
}
}
else
{
foreach($pageNames as $page)
{
$filelist[$page] = filemtime(fileNameForPage($page));
}
arsort($filelist, SORT_NUMERIC);
}
$html .= "<p>".__('Total').": ".count($pageNames)." ".__("pages")."</p>";
$html .= "<table><thead>";
$html .= "<tr>".
"<td>".(($sortBy!='name')?("<a href=\"".SELF."?action=all&sortBy=name\">Name</a>"):"<span class=\"sortBy\">".__('Name')."</span>")."</td>".
"<td>".(($sortBy!='recent')?("<a href=\"".SELF."?action=all&sortBy=recent\">".__('Modified')."</a>"):"<span class=\"sortBy\">".__('Modified')."</span>")."</td>".
"<td>".__('Action')."</td>".
"</tr></thead><tbody>";
$date_format = __('date_format', TITLE_DATE);
foreach ($filelist as $pageName => $pageDate)
{
$html .= "<tr>".
"<td>".pageLink($pageName, $pageName)."</td>".
"<td valign=\"top\"><nobr>".date( $date_format, $pageDate)."</nobr></td>".
"<td class=\"pageActions\">".getPageActions($pageName, $action,"-dark")."</td>".
"</tr>\n";
}
$html .= "</tbody></table>\n";
}
else if ( $action === 'search' )
{
$matches = 0;
$q = $_REQUEST['q'];
$html .= " <h1>Search: $q</h1>\n";
if ( trim($q) != "" )
{
$html .= " <ul>\n";
$pagenames = getAllPageNames();
$found = FALSE;
$matchingPages = array();
foreach ($pagenames as $searchPage)
{
if (strcasecmp($searchPage, $q) == 0)
{
$found = TRUE;
}
if (preg_match("@$q@i", $searchPage))
{
array_unshift($matchingPages, $searchPage);
++$matches;
}
else
{
$text = file_get_contents(fileNameForPage($searchPage));
if ( preg_match("@$q@i", $text) )
{
$matchingPages[] = $searchPage;
++$matches;
}
}
}
foreach ($matchingPages as $page)
{
$link = pageLink($page, $page, (strcasecmp($page, $q) == 0)? " class=\"literalMatch\"": "");
$html .= " <li>$link</li>\n";
}
if (!$found)
{
$html .= " <li>".pageLink($q, __('Create page')." '$q'", " class=\"noexist\"")."</li>";
}
$html .= " </ul>\n";
}
$html .= " <p>$matches ".__('matches')."</p>\n";
}
else
{
$html .= empty($text) ? '' : toHTML($text);
}
$datetime = '';
if ( ($action === 'all'))
{
$title = __("All");
}
else if ( $action === 'upload' )
{
$title = __("Upload");
}
else if ( $action === 'new' )
{
$title = __("New");
}
else if ( $action === 'search' )
{
$title = __("Search");
}
else if (isset($filename) && $filename != '')
{
$title = (($action === 'edit')? (__('Edit').": "):"") . $page;
$date_format = __('date_format', TITLE_DATE);
if ( $date_format )
{
$datetime = "<span class=\"titledate\">" . date($date_format, @filemtime($filename)) . "</span>";
}
}
else
{
$title = __($action);
}
// Disable caching on the client (the iPhone is pretty agressive about this