/
index.php
executable file
·1204 lines (914 loc) · 48.4 KB
/
index.php
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<?php
ini_set("max_execution_time", 0);
setlocale(LC_ALL, 'C.UTF-8');
//ini_set("display_errors", 1);
//error_reporting(E_ALL);
ini_set("display_errors", 0);
error_reporting(E_ERROR);
// UPDATE: /etc/php/7.2/cli/php.ini
// upload_max_filesize 1000000M
// post_max_size 1000000M
function fnPath(...$aArguments)
{
return join(DIRECTORY_SEPARATOR, $aArguments);
}
function fnFileErrorCodeToMessage($iCode)
{
switch ($iCode) {
case UPLOAD_ERR_INI_SIZE:
return "The uploaded file exceeds the upload_max_filesize directive in php.ini";
break;
case UPLOAD_ERR_FORM_SIZE:
return "The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form";
break;
case UPLOAD_ERR_PARTIAL:
return "The uploaded file was only partially uploaded";
break;
case UPLOAD_ERR_NO_FILE:
return "No file was uploaded";
break;
case UPLOAD_ERR_NO_TMP_DIR:
return "Missing a temporary folder";
break;
case UPLOAD_ERR_CANT_WRITE:
return "Failed to write file to disk";
break;
case UPLOAD_ERR_EXTENSION:
return "File upload stopped by extension";
break;
}
}
$aEntities = ['%3A', '%2A', '%27', '%2F', '%3F', '%60', '%7C', '%3C', '%3E', '%30', '%26'];
$aReplacements = [':', '*', "'", "/", "?", "`", "|", "<", ">", "\\", "\""];
function fnFileNameEncode($sString)
{
global $aEntities;
global $aReplacements;
return str_replace($aReplacements, $aEntities, $sString);
}
function fnFileNameDecode($sString)
{
global $aEntities;
global $aReplacements;
return str_replace($aEntities, $aReplacements, $sString);
}
function fnEscapeFileName($sFileName)
{
$sFileName = str_replace("/", "_", $sFileName);
$sFileName = str_replace("\\", "_", $sFileName);
$sFileName = str_replace("*", "_", $sFileName);
$sFileName = str_replace(":", "_", $sFileName);
$sFileName = str_replace("|", "_", $sFileName);
$sFileName = str_replace("\"", "_", $sFileName);
$sFileName = str_replace("<", "_", $sFileName);
$sFileName = str_replace(">", "_", $sFileName);
return $sFileName;
}
function fnHTTPRequest($sURL)
{
$sResult = '';
if (function_exists("curl_init")) {
$resCURL = curl_init();
curl_setopt($resCURL, CURLOPT_HEADER, 0);
curl_setopt($resCURL, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($resCURL, CURLOPT_URL, $sURL);
curl_setopt($resCURL, CURLOPT_SSL_VERIFYPEER, FALSE);
if (!empty(getenv('HTTPS_PROXY'))) {
curl_setopt($resCURL, CURLOPT_PROXY, preg_replace("#https?://#i", "", getenv('HTTPS_PROXY')));
curl_setopt($resCURL, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);
} else if (!empty(getenv('HTTP_PROXY'))) {
curl_setopt($resCURL, CURLOPT_PROXY, preg_replace("#http://#i", "", getenv('HTTP_PROXY')));
curl_setopt($resCURL, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);
}
$sResult = curl_exec($resCURL);
$iCURLError = curl_errno($resCURL);
curl_close($resCURL);
if ($iCURLError>0) {
throw new Exception(curl_strerror($iCURLError));
}
} else if (ini_get('allow_url_fopen')==1) {
$sResult = http_file_get_contents($sURL);
} else {
throw new Exception("Can't get page due to disabled functions");
}
return $sResult;
}
function safe_file_put_contents($sPath, $sData)
{
if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN'
&& substr(phpversion(), 0, 1)<7) {
$sPath = @iconv("UTF-8", "windows-1251", $sPath);
$sEscapedPath = str_replace(__DIR__."\\", '', $sPath);
$sEscapedPath = str_replace("\\", '/', $sEscapedPath);
$sEscapedPath = str_replace(" ", "\\ ", $sEscapedPath);
$sCurrentDir = str_replace("\n", '', shell_exec("pwd"));
if (empty($sData)) {
shell_exec("touch '$sEscapedPath'");
} else {
file_put_contents("temp", $sData);
shell_exec("cat temp > $sEscapedPath");
unlink('temp');
}
return is_file($sPath);
}
return file_put_contents($sPath, $sData);
}
function safe_file_get_contents($sPath)
{
if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN'
&& substr(phpversion(), 0, 1)<7) {
$sPath = @iconv("UTF-8", "windows-1251", $sPath);
return shell_exec("cat '$sPath'");
}
return file_get_contents($sPath);
}
function http_file_get_contents($sPath)
{
$aContext = [];
if (!empty(getenv('HTTP_PROXY'))) {
$aContext['http'] = [
'proxy' => str_replace("http", "tcp", getenv('HTTP_PROXY')),
'request_fulluri' => true,
];
}
if (!empty(getenv('HTTPS_PROXY'))) {
$aContext['https'] = [
'proxy' => str_replace("https", "tcp", getenv('HTTPS_PROXY')),
'request_fulluri' => true,
];
}
$aContext['ssl'] = [
'verify_peer' => false,
'verify_peer_name' => false,
];
$resContext = stream_context_create($aContext);
return file_get_contents($sPath, false, $resContext);
}
function fnFindFilesInAtricle($sArticleName, $sRepositoryName, $aFilesPaths, $sType='all')
{
global $sRepositoriesDir;
$sRepositoryDir = fnPath($sRepositoriesDir, $sRepositoryName);
$sArticlesDir = fnPath($sRepositoryDir, 'articles');
$sArticleFilePath = fnPath($sArticlesDir, $sArticleName);
$aFilesPaths = (array) $aFilesPaths;
$sData = safe_file_get_contents($sArticleFile);
if (($sType=="all" || $sType=="image") && preg_match("/!\[[^\]]*\]\(". preg_quote($sRelativeFilePath)."\)/iu", $sData)) {
$aArticles[] = fnFileNameDecode(basename($sArticleFile));
}
if (($sType=="all" || $sType=="link") && preg_match("/\[[^\]]*\]\(". preg_quote($sRelativeFilePath)."\)/iu", $sData)) {
$aArticles[] = fnFileNameDecode(basename($sArticleFile));
}
}
function fnFindFileInAtricles($sRepositoryName, &$aFilesInfos, $sType='all')
{
global $sRepositoriesDir;
static $aAllArticles;
$sRepositoryDir = fnPath($sRepositoriesDir, $sRepositoryName);
$sArticlesDir = fnPath($sRepositoryDir, 'articles');
$sArticlesGlobMask = fnPath($sArticlesDir, '*.md');
if (!isset($aAllArticles)) {
$aAllArticles = safe_glob($sArticlesGlobMask);
}
foreach ($aAllArticles as $sArticleFile) {
$sData = safe_file_get_contents($sArticleFile);
foreach ($aFilesInfos as &$aFileInfo) {
if (!isset($aFileInfo['aArticles'])) {
$aFileInfo['aArticles'] = [];
}
if (($sType=="all" || $sType=="image") && preg_match("/!\[[^\]]*]*\]\([^)]*?". preg_quote($aFileInfo['sName'])."[^)]*?\)/i", $sData)) {
$aFileInfo['aArticles'][] = fnFileNameDecode(basename($sArticleFile));
}
if (($sType=="all" || $sType=="link") && preg_match("/(?<!!)\[[^\]]*\]\([^)]*?". preg_quote($aFileInfo['sName'])."[^)]*?\)/i", $sData)) {
$aFileInfo['aArticles'][] = fnFileNameDecode(basename($sArticleFile));
}
}
}
}
function safe_glob($sPath)
{
$aResult = glob($sPath);
//array_multisort(array_map('filemtime', $aResult), SORT_NUMERIC, SORT_ASC, $aResult);
array_multisort(array_map('filectime', $aResult), SORT_NUMERIC, SORT_ASC, $aResult);
if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN'
&& substr(phpversion(), 0, 1)<7) {
foreach ($aResult as &$rsItem) {
$rsItem = @iconv("windows-1251", "UTF-8", $rsItem);
}
}
return $aResult;
}
function fnCommitAndPushRepository($sRepositoryDir)
{
chdir($sRepositoryDir);
shell_exec('git add .');
shell_exec('git commit -am "'.date("d.m.Y H:i:s").'"');
shell_exec('git push origin master');
}
function fnRemoveDirectory($sDir)
{
$aFiles = array_diff(scandir($sDir), array('.','..'));
foreach ($aFiles as $sFile) {
(is_dir("$sDir/$sFile")) ? fnRemoveDirectory("$sDir/$sFile") : unlink("$sDir/$sFile");
}
return rmdir($sDir);
}
function fnGetRepositoryUserName($sRepositoryName)
{
global $sRepositoriesDir;
$sRepositoryDir = fnPath($sRepositoriesDir, $sRepositoryName);
$sGitConfigFile = fnPath($sRepositoryDir, ".git", "config");
$sGitConfigContents = safe_file_get_contents($sGitConfigFile);
if (preg_match("/url = (.*)$/m", $sGitConfigContents, $aMatches)) {
$sURL = $aMatches[1];
if (preg_match("/(\w+)\/\w+\.git/m", $sURL, $aMatches)) {
return $aMatches[1];
}
}
}
function fnGetRepositoryInfo($sRepositoryName)
{
global $sRepositoriesDir;
$sRepositoryDir = fnPath($sRepositoriesDir, $sRepositoryName);
$sTagsDir = fnPath($sRepositoryDir, "tags");
$sArticlesDir = fnPath($sRepositoryDir, "articles");
$sGitConfigFile = fnPath($sRepositoryDir, ".git", "config");
chdir($sRepositoryDir);
shell_exec("git pull");
$aResult = [
'sName' => $sRepositoryName,
'sURL' => '',
'sUser' => '',
'sPath' => $sRepositoryDir,
'aArticles' => [],
'oTags' => (object) [],
'oSettings' => (object) [],
];
if (!is_dir($sTagsDir)) {
mkdir($sTagsDir);
}
if (!is_dir($sArticlesDir)) {
mkdir($sArticlesDir);
}
$sGitConfigContents = safe_file_get_contents($sGitConfigFile);
if (preg_match("/url = (.*)$/m", $sGitConfigContents, $aMatches)) {
$aResult['sURL'] = $aMatches[1];
if (preg_match("/(\w+)\/\w+\.git/m", $aResult['sURL'], $aMatches)) {
$aResult['sUser'] = $aMatches[1];
}
}
$aArticlesFiles = safe_glob(fnPath($sArticlesDir, "*.md"));
foreach ($aArticlesFiles as $sArticleFile) {
$aResult['aArticles'][] = fnFileNameDecode(str_replace(".md", '', basename($sArticleFile)));
}
$aTagsFiles = safe_glob(fnPath($sTagsDir, "*.md"));
foreach ($aTagsFiles as $sTagFile) {
$sTagFileContents = safe_file_get_contents($sTagFile);
$sTag = fnFileNameDecode(str_replace(".md", '', basename($sTagFile)));
if (preg_match_all("/^\[.*?\]\(.*?\)/m", $sTagFileContents, $aMatches)) {
foreach ($aMatches[0] as $sItem) {
$sTagFileContents = str_replace($sItem, "* ".$sItem, $sTagFileContents);
}
safe_file_put_contents($sTagFile, $sTagFileContents);
}
if (preg_match_all("/\[([^\]]+)\]/", $sTagFileContents, $aMatches)) {
$aResult['oTags']->$sTag = $aMatches[1];
} else {
$aResult['oTags']->$sTag = [];
}
}
$sSettingsFilePath = fnPath($sRepositoryDir, ".settings");
$sContent = @file_get_contents($sSettingsFilePath);
$aResult['oSettings'] = json_decode($sContent, true);
return $aResult;
}
$sRepositoriesDir = fnPath(__DIR__, 'repositories');
if(!empty($_SERVER['HTTP_X_REQUESTED_WITH'])
&& strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest') {
$aResponse = [
'status' => 'ok',
'message' => '',
'data' => []
];
try {
if (!isset($_POST['action'])) {
throw new Exception("'action' is not set");
}
if ($_POST['action']=='get_repositories') {
if (!is_dir($sRepositoriesDir)) {
mkdir($sRepositoriesDir);
}
if (!is_dir($sRepositoriesDir)) {
throw new Exception("Can't create dir");
}
$aGitDirectories = safe_glob(fnPath($sRepositoriesDir, "*", ".git"));
$aRepositories = [];
foreach ($aGitDirectories as $sDir) {
$aRepositories[] = fnGetRepositoryInfo(basename(dirname($sDir)));
}
$aResponse['data'] = $aRepositories;
}
if ($_POST['action']=='add_repository') {
if (!preg_match("/(git@github\.com:|https:\/\/github\.com\/)\w+\/(\w+)\.git/i", $_POST['url'], $aMatches)) {
throw new Exception("Wrong repository url");
}
$sRepositoryName = $aMatches[2];
if (is_dir(fnPath($sRepositoriesDir, $sRepositoryName))) {
throw new Exception("Dir $sRepositoryName exists");
}
chdir($sRepositoriesDir);
shell_exec('git clone '.$_POST['url']);
$aResponse['data'] = fnGetRepositoryInfo($sRepositoryName);
}
if ($_POST['action']=='remove_repository') {
if (empty($_POST['repository'])) {
throw new Exception("Empty repository name");
}
fnRemoveDirectory(fnPath($sRepositoriesDir, $_POST['repository']));
}
if ($_POST['action']=='push_repository') {
if (empty($_POST['repository'])) {
throw new Exception("Empty repository name");
}
$sRepositoryDir = fnPath($sRepositoriesDir, $_POST['repository']);
if (isset($_POST['article'])) {
$sArticlesDir = fnPath($sRepositoryDir, 'articles');
$sArticleFile = fnPath($sArticlesDir, fnFileNameEncode($_POST['article']).'.md');
if (isset($_POST['tags'])) {
$_POST['data'] .= "\n\n**********\n";
foreach ($_POST['tags'] as $sTag) {
$_POST['data'] .= "[$sTag](/tags/".rawurlencode(fnFileNameEncode($sTag)).".md)\n";
}
}
if (safe_file_put_contents($sArticleFile, @$_POST['data'])===false) {
throw new Exception("Can't write to file '$sArticleFile'");
}
}
// README.md
$sReadmeFile = fnPath($sRepositoryDir, "README.md");
$aRepositoryInfo = fnGetRepositoryInfo($_POST['repository']);
$sReadmeOutput = "# ".$aRepositoryInfo['sName']."\n";
foreach ($aRepositoryInfo['aArticles'] as $sArticle) {
$sReadmeOutput .= "* [$sArticle](/articles/".rawurlencode($sArticle).".md)\n";
}
$sReadmeOutput .= "---\n";
foreach ($aRepositoryInfo['oTags'] as $sTag => $aArticles) {
$sReadmeOutput .= "[$sTag](/tags/".rawurlencode($sTag).".md)\n";
}
safe_file_put_contents($sReadmeFile, $sReadmeOutput);
fnCommitAndPushRepository($sRepositoryDir);
}
if ($_POST['action']=='load_article') {
if (empty($_POST['repository'])) {
throw new Exception("Empty repository name");
}
$sRepositoryDir = fnPath($sRepositoriesDir, $_POST['repository']);
$sArticlesDir = fnPath($sRepositoryDir, 'articles');
$sArticleFile = fnPath($sArticlesDir, fnFileNameEncode($_POST['article']).'.md');
$aResponse['data'] = safe_file_get_contents($sArticleFile);
$aResponse['data'] = preg_replace("/\n\*\*\*\*\*\*\*\*\*\*.*$/s", '', $aResponse['data']);
}
if ($_POST['action']=='save_article') {
if (empty($_POST['repository'])) {
throw new Exception("Empty repository name");
}
$sRepositoryDir = fnPath($sRepositoriesDir, $_POST['repository']);
$sArticlesDir = fnPath($sRepositoryDir, 'articles');
$sArticleFile = fnPath($sArticlesDir, fnFileNameEncode($_POST['article']).'.md');
if (safe_file_put_contents($sArticleFile, @$_POST['data'])===false) {
throw new Exception("Can't write to file '$sArticleFile'");
}
fnCommitAndPushRepository($sRepositoryDir);
}
if ($_POST['action']=='rename_article') {
if (empty($_POST['repository'])) {
throw new Exception("Empty repository name");
}
$sRepositoryDir = fnPath($sRepositoriesDir, $_POST['repository']);
$sArticlesDir = fnPath($sRepositoryDir, 'articles');
$sTagsDir = fnPath($sRepositoryDir, 'tags');
$sFromArticleFile = fnPath($sArticlesDir, fnFileNameEncode($_POST['from_article']).'.md');
$sToArticleFile = fnPath($sArticlesDir, fnFileNameEncode($_POST['to_article']).'.md');
$sFromArticleLink = "[".$_POST['from_article']."](/articles/".rawurlencode(fnFileNameEncode($_POST['from_article'])).".md)";
$sToArticleLink = "[".$_POST['to_article']."](/articles/".rawurlencode(fnFileNameEncode($_POST['to_article'])).".md)";
if (!rename($sFromArticleFile, $sToArticleFile)) {
throw new Exception("Can't rename file");
}
foreach ($_POST['tags'] as $sTag) {
$sTagFile = fnPath($sTagsDir, fnFileNameEncode($sTag).".md");
$sTagFileContents = safe_file_get_contents($sTagFile);
$sTagFileContents = str_replace($sFromArticleLink, $sToArticleLink, $sTagFileContents);
if (!safe_file_put_contents($sTagFile, $sTagFileContents)) {
throw new Exception("Can't write to file");
}
}
fnCommitAndPushRepository($sRepositoryDir);
}
if ($_POST['action']=='add_article') {
if (empty($_POST['repository'])) {
throw new Exception("Empty repository name");
}
$sRepositoryDir = fnPath($sRepositoriesDir, $_POST['repository']);
$sArticlesDir = fnPath($sRepositoryDir, 'articles');
$sArticleFile = fnPath($sArticlesDir, fnFileNameEncode($_POST['article']).'.md');
if (safe_file_put_contents($sArticleFile, @$_POST['data'])===false) {
throw new Exception("Can't write to file '$sArticleFile'");
}
if (!in_array('__all__', $_POST['tags'])) {
foreach ($_POST['tags'] as $sTag) {
$sTagsDir = fnPath($sRepositoryDir, 'tags');
$sTagFile = fnPath($sTagsDir, fnFileNameEncode($sTag).'.md');
$sArticleFileContents = safe_file_get_contents($sArticleFile);
$sTagFileContents = safe_file_get_contents($sTagFile);
if (($iLinePos = strpos($sArticleFileContents, "**********"))===false) {
$sArticleFileContents .= "\n\n**********\n";
}
$sArticleFileContents .= "[".$sTag."](/tags/".rawurlencode(fnFileNameEncode($sTag)).".md)\n";
$sTagFileContents .= "[".$_POST['article']."](/articles/".rawurlencode(fnFileNameEncode($_POST['article'])).".md)\n";
if (safe_file_put_contents($sArticleFile, $sArticleFileContents)===false) {
throw new Exception("Can't write to file '$aArticleFile'");
}
if (safe_file_put_contents($sTagFile, $sTagFileContents)===false) {
throw new Exception("Can't write to file '$sTagFile'");
}
}
}
fnCommitAndPushRepository($sRepositoryDir);
}
if ($_POST['action']=='remove_article') {
if (empty($_POST['repository'])) {
throw new Exception("Empty repository name");
}
$sRepositoryDir = fnPath($sRepositoriesDir, $_POST['repository']);
$sArticlesDir = fnPath($sRepositoryDir, 'articles');
$sArticleFile = fnPath($sArticlesDir, fnFileNameEncode($_POST['article']).'.md');
$sTagsDir = fnPath($sRepositoryDir, 'tags');
unlink($sArticleFile);
$aTagFiles = safe_glob(fnPath($sTagsDir, "*.md"));
$sArticleLink = "[".$_POST['article']."](/articles/".rawurlencode(fnFileNameEncode($_POST['article'])).".md)";
foreach ($aTagFiles as $sTagFile) {
$sTagFileContents = safe_file_get_contents($sTagFile);
if (($iLinkPos = strpos($sTagFileContents, $sArticleLink))!==false) {
$sTagFileContents = substr_replace($sTagFileContents, '', $iLinkPos, strlen($sArticleLink)+1);
if (safe_file_put_contents($sTagFile, $sTagFileContents)===false) {
throw new Exception("Can't write to file '$sTagFile'");
}
}
}
fnCommitAndPushRepository($sRepositoryDir);
}
if ($_POST['action']=='create_tag') {
if (empty($_POST['repository'])) {
throw new Exception("Empty repository name");
}
$sRepositoryDir = fnPath($sRepositoriesDir, $_POST['repository']);
$sTagsDir = fnPath($sRepositoryDir, 'tags');
$sTagFile = fnPath($sTagsDir, fnFileNameEncode($_POST['tag']).'.md');
if (safe_file_put_contents($sTagFile, '')===false) {
throw new Exception("Can't write to file '$sTagFile'");
}
fnCommitAndPushRepository($sRepositoryDir);
}
if ($_POST['action']=='rename_tag') {
if (empty($_POST['repository'])) {
throw new Exception("Empty repository name");
}
$sRepositoryDir = fnPath($sRepositoriesDir, $_POST['repository']);
$sArticlesDir = fnPath($sRepositoryDir, 'articles');
$sTagsDir = fnPath($sRepositoryDir, 'tags');
$sFromTagFile = fnPath($sTagsDir, fnFileNameEncode($_POST['from_tag']).'.md');
$sToTagFile = fnPath($sTagsDir, fnFileNameEncode($_POST['to_tag']).'.md');
$sFromTagLink = "[".$_POST['from_tag']."](/tags/".rawurlencode(fnFileNameEncode($_POST['from_tag'])).".md)";
$sToTagLink = "[".$_POST['to_tag']."](/tags/".rawurlencode(fnFileNameEncode($_POST['to_tag'])).".md)";
if (!rename($sFromTagFile, $sToTagFile)) {
throw new Exception("Can't rename file");
}
foreach ($_POST['articles'] as $sArticle) {
$sArticleFile = fnPath($sArticlesDir, fnFileNameEncode($sArticle).".md");
$sArticleFileContents = safe_file_get_contents($sArticleFile);
$sArticleFileContents = str_replace($sFromTagLink, $sToTagLink, $sArticleFileContents);
if (!safe_file_put_contents($sArticleFile, $sArticleFileContents)) {
throw new Exception("Can't write to file");
}
}
fnCommitAndPushRepository($sRepositoryDir);
}
if ($_POST['action']=='remove_tag') {
if (empty($_POST['repository'])) {
throw new Exception("Empty repository name");
}
$sRepositoryDir = fnPath($sRepositoriesDir, $_POST['repository']);
$sArticlesDir = fnPath($sRepositoryDir, 'articles');
$sTagsDir = fnPath($sRepositoryDir, 'tags');
$sTagFile = fnPath($sTagsDir, fnFileNameEncode($_POST['tag']).'.md');
unlink($sTagFile);
$aArticlesFiles = safe_glob(fnPath($sArticlesDir, "*.md"));
$sTagLink = "[".$_POST['tag']."](/tags/".rawurlencode(fnFileNameEncode($_POST['tag'])).".md)";
foreach ($aArticlesFiles as $sArticleFile) {
$sArticleFileContents = safe_file_get_contents($sArticleFile);
if (($iLinePos = strpos($sArticleFileContents, "**********"))!==false) {
if (($iLinkPos = strpos($sArticleFileContents, $sTagLink, $iLinePos))!==false) {
$sArticleFileContents = substr_replace($sArticleFileContents, '', $iLinkPos, strlen($sTagLink)+1);
if (safe_file_put_contents($sArticleFile, $sArticleFileContents)===false) {
throw new Exception("Can't write to file '$sArticleFile'");
}
}
}
}
fnCommitAndPushRepository($sRepositoryDir);
}
if ($_POST['action']=='add_tag_to_article') {
if (empty($_POST['repository'])) {
throw new Exception("Empty repository name");
}
$sRepositoryDir = fnPath($sRepositoriesDir, $_POST['repository']);
$sArticlesDir = fnPath($sRepositoryDir, 'articles');
$sArticleFile = fnPath($sArticlesDir, fnFileNameEncode($_POST['article']).'.md');
$sTagsDir = fnPath($sRepositoryDir, 'tags');
$sTagFile = fnPath($sTagsDir, fnFileNameEncode($_POST['tag']).'.md');
$sArticleFileContents = safe_file_get_contents($sArticleFile);
$sTagFileContents = safe_file_get_contents($sTagFile);
if (($iLinePos = strpos($sArticleFileContents, "**********"))===false) {
$sArticleFileContents .= "\n\n**********\n";
}
$sArticleFileContents .= "[".$_POST['tag']."](/tags/".rawurlencode(fnFileNameEncode($_POST['tag'])).".md)\n";
$sTagFileContents .= "* [".$_POST['article']."](/articles/".rawurlencode(fnFileNameEncode($_POST['article'])).".md)\n";
if (safe_file_put_contents($sArticleFile, $sArticleFileContents)===false) {
throw new Exception("Can't write to file '$aArticleFile'");
}
if (safe_file_put_contents($sTagFile, $sTagFileContents)===false) {
throw new Exception("Can't write to file '$sTagFile'");
}
fnCommitAndPushRepository($sRepositoryDir);
}
if ($_POST['action']=='remove_tag_from_article') {
if (empty($_POST['repository'])) {
throw new Exception("Empty repository name");
}
$sRepositoryDir = fnPath($sRepositoriesDir, $_POST['repository']);
$sArticlesDir = fnPath($sRepositoryDir, 'articles');
$sArticleFile = fnPath($sArticlesDir, fnFileNameEncode($_POST['article']).'.md');
$sTagsDir = fnPath($sRepositoryDir, 'tags');
$sTagFile = fnPath($sTagsDir, fnFileNameEncode($_POST['tag']).'.md');
$sArticleFileContents = safe_file_get_contents($sArticleFile);
$sTagFileContents = safe_file_get_contents($sTagFile);
$sTagLink = "[".$_POST['tag']."](/tags/".rawurlencode(fnFileNameEncode($_POST['tag'])).".md)";
$sArticleLink = "* [".$_POST['article']."](/articles/".rawurlencode(fnFileNameEncode($_POST['article'])).".md)";
if (($iLinePos = strpos($sArticleFileContents, "**********"))!==false) {
if (($iLinkPos = strpos($sArticleFileContents, $sTagLink, $iLinePos))!==false) {
$sArticleFileContents = substr_replace($sArticleFileContents, '', $iLinkPos, strlen($sTagLink)+1);
if (safe_file_put_contents($sArticleFile, $sArticleFileContents)===false) {
throw new Exception("Can't write to file '$aArticleFile'");
}
}
}
if (($iLinkPos = strpos($sTagFileContents, $sArticleLink))!==false) {
$sTagFileContents = substr_replace($sTagFileContents, '', $iLinkPos, strlen($sArticleLink)+1);
if (safe_file_put_contents($sTagFile, $sTagFileContents)===false) {
throw new Exception("Can't write to file '$sTagFile'");
}
}
fnCommitAndPushRepository($sRepositoryDir);
}
if ($_POST['action']=='search_article') {
if (empty($_POST['repository'])) {
throw new Exception("Empty repository name");
}
$sRepositoryDir = fnPath($sRepositoriesDir, $_POST['repository']);
$sArticlesDir = fnPath($sRepositoryDir, 'articles');
$aInfo = fnGetRepositoryInfo($_POST['repository']);
$aResponse['data'] = [];
if (!empty($_POST['search_text'])) {
if ($_POST['tag']=='__all__') {
foreach ($aInfo['aArticles'] as $sArticle) {
$sArticleFile = fnPath($sArticlesDir, fnFileNameEncode($sArticle).'.md');
$sContents = safe_file_get_contents($sArticleFile);
if (preg_match("/".preg_quote($_POST['search_text'])."/iu", $sContents)) {
$aResponse['data'][] = $sArticle;
}
}
} else {
foreach ($aInfo['oTags']->{$_POST['tag']} as $sArticle) {
$sArticleFile = fnPath($sArticlesDir, fnFileNameEncode($sArticle).'.md');
$sContents = safe_file_get_contents($sArticleFile);
if (preg_match("/".preg_quote($_POST['search_text'])."/iu", $sContents)!==false) {
$aResponse['data'][] = $sArticle;
}
}
}
}
}
if ($_POST['action']=='get_article_page') {
if (empty($_POST['repository'])) {
throw new Exception("Empty repository name");
}
$sUser = fnGetRepositoryUserName($_POST['repository']);
//$sArticle = str_replace(' ', '%20', $_POST['article']);
$sArticle = rawurlencode(fnFileNameEncode($_POST['article']));
$sPageContents = fnHTTPRequest("https://github.com/$sUser/{$_POST['repository']}/blob/master/articles/{$sArticle}.md");
$aResponse['data'] = '';
if (preg_match("/<article class=\"markdown-body entry-content p-3 p-md-6\" itemprop=\"text\">(.*?)<\/article>/s", $sPageContents, $aMatches)) {
$aResponse['data'] = $aMatches[1];
$aResponse['data'] = preg_replace("/(\/$sUser\/{$_POST['repository']}\/(blob|raw)\/master\/.*?[\"'])/i", "https://github.com$1", $aResponse['data']);
}
}
if ($_POST['action']=='upload_images') {
if (empty($_POST['repository'])) {
throw new Exception("Empty repository name");
}
$sRepositoryDir = fnPath($sRepositoriesDir, $_POST['repository']);
$sImagesDir = fnPath($sRepositoryDir, 'images');
if (!is_dir($sImagesDir)) {
mkdir($sImagesDir);
}
if (!is_dir($sImagesDir)) {
throw new Exception("Can't create dir");
}
if (!isset($_FILES['files']) && !isset($_FILES['pasted_files'])) {
throw new Exception("There is no file in request");
}
$aResponse['data'] = [];
foreach ((array)@$_FILES['pasted_files']['name'] as $iIndex => $sName) {
$sNewFileName = md5_file($_FILES['pasted_files']['tmp_name'][$iIndex]);
if (preg_match("/^image\/(\w{1,5})(\+\w+)$/i", $_FILES['pasted_files']['type'][$iIndex], $aMatches)) {
$sNewFileName .= ".".$aMatches[1];
}
$sImageFile = fnPath($sImagesDir, $sNewFileName);
$sErrorMessage = fnFileErrorCodeToMessage($_FILES['pasted_files']['error'][$iIndex]);
if (!empty($sErrorMessage)) {
throw new Exception($sErrorMessage);
}
if (!move_uploaded_file($_FILES['pasted_files']['tmp_name'][$iIndex], $sImageFile)) {
throw new Exception("Can't move file to directory '$sImageFile'");
}
$aResponse['data'][] = $sNewFileName;
}
foreach ((array)@$_FILES['files']['name'] as $iIndex => $sName) {
$sNewFileName = md5_file($_FILES['files']['tmp_name'][$iIndex]);
if (preg_match("/\.(\w{1,5})?$/i", $sName, $aMatches)) {
$sNewFileName .= ".".$aMatches[1];
}
$sImageFile = fnPath($sImagesDir, $sNewFileName);
$sErrorMessage = fnFileErrorCodeToMessage($_FILES['files']['error'][$iIndex]);
if (!empty($sErrorMessage)) {
throw new Exception($sErrorMessage);
}
if (!move_uploaded_file($_FILES['files']['tmp_name'][$iIndex], $sImageFile)) {
throw new Exception("Can't move file to directory '$sImageFile'");
}
$aResponse['data'][] = $sNewFileName;
}
fnCommitAndPushRepository($sRepositoryDir);
}
if ($_POST['action']=='add_images_from_urls') {
if (empty($_POST['repository'])) {
throw new Exception("Empty repository name");
}
$sRepositoryDir = fnPath($sRepositoriesDir, $_POST['repository']);
$sImagesDir = fnPath($sRepositoryDir, 'images');
if (!is_dir($sImagesDir)) {
mkdir($sImagesDir);
}
if (!is_dir($sImagesDir)) {
throw new Exception("Can't create dir");
}
$sFileNames = [];
foreach ((array)$_POST['urls'] as $sURL) {
$sData = fnHTTPRequest($sURL);
$sNewFileName = md5($sData);
if (preg_match("/\.(\w{1,5})$/i", $sURL, $aMatches)) {
$sNewFileName .= ".".$aMatches[1];
}
//$sFileName = basename($sURL);
$aFileInfo = pathinfo($sURL);
//if (empty($sFileName)) {
// throw new Exception("File name is empty");
//}
$sImagesFile = fnPath($sImagesDir, $sNewFileName);
if (!safe_file_put_contents($sImagesFile, $sData)) {
throw new Exception("Can't write to file '$sImagesFile'");
}
$sFileNames[] = [
'sURL' => $sURL,
'sFileName' => $sNewFileName
];
}
$aResponse['data'] = $sFileNames;
fnCommitAndPushRepository($sRepositoryDir);
}
if ($_POST['action']=='upload_files') {
if (empty($_POST['repository'])) {
throw new Exception("Empty repository name");
}
$sRepositoryDir = fnPath($sRepositoriesDir, $_POST['repository']);
$sFilesDir = fnPath($sRepositoryDir, 'files');
if (!is_dir($sFilesDir)) {
mkdir($sFilesDir);
}
if (!is_dir($sFilesDir)) {
throw new Exception("Can't create dir");
}
if (!isset($_FILES['files'])) {
throw new Exception("There is no file in request");
}
$aResponse['data'] = [];
foreach ((array)@$_FILES['files']['name'] as $iIndex => $sName) {
$sNewFileName = md5_file($_FILES['files']['tmp_name'][$iIndex]);
if (preg_match("/\.(\w{1,5})$/i", $sName, $aMatches)) {
$sNewFileName .= ".".$aMatches[1];
}
$sFile = fnPath($sFilesDir, $sNewFileName);
$sErrorMessage = fnFileErrorCodeToMessage($_FILES['files']['error'][$iIndex]);
if (!empty($sErrorMessage)) {
throw new Exception($sErrorMessage);
}
if (!move_uploaded_file($_FILES['files']['tmp_name'][$iIndex], $sFile)) {
throw new Exception("Can't move file to directory");
}
$aResponse['data'][] = $sNewFileName;
}
fnCommitAndPushRepository($sRepositoryDir);
}
if ($_POST['action']=='add_files_from_urls') {
if (empty($_POST['repository'])) {
throw new Exception("Empty repository name");
}
$sRepositoryDir = fnPath($sRepositoriesDir, $_POST['repository']);
$sFilesDir = fnPath($sRepositoryDir, 'files');
if (!is_dir($sFilesDir)) {
mkdir($sFilesDir);
}
if (!is_dir($sFilesDir)) {
throw new Exception("Can't create dir");
}
$sFileNames = [];
foreach ((array)$_POST['urls'] as $sURL) {
$sData = fnHTTPRequest($sURL);
$sNewFileName = md5($sData);
if (preg_match("/\.(\w{1,5})$/i", $sURL, $aMatches)) {
$sNewFileName .= ".".$aMatches[1];
}
//$sFileName = basename($sURL);
$aFileInfo = pathinfo($sURL);
//if (empty($sFileName)) {
// throw new Exception("File name is empty");
//}
$sFilePath = fnPath($sFilesDir, $sNewFileName);
if (!safe_file_put_contents($sFilePath, $sData)) {
throw new Exception("Can't write to file '$sFilePath'");
}